merged master some more
authordaniel <daniel.kinzler@wikimedia.de>
Wed, 29 Aug 2012 13:36:13 +0000 (15:36 +0200)
committerdaniel <daniel.kinzler@wikimedia.de>
Wed, 29 Aug 2012 13:37:17 +0000 (15:37 +0200)
Change-Id: I53f349e42336ce0426ea1aff939853b3cd728aeb

123 files changed:
.gitreview
RELEASE-NOTES-1.20
bin/svnstat [changed mode: 0755->0644]
bin/ulimit-tvf.sh [changed mode: 0755->0644]
bin/ulimit4.sh [changed mode: 0755->0644]
docs/hooks.txt
includes/Article.php
includes/AutoLoader.php
includes/Content.php [new file with mode: 0644]
includes/ContentHandler.php [new file with mode: 0644]
includes/DefaultSettings.php
includes/Defines.php
includes/DeprecatedGlobal.php
includes/EditPage.php
includes/Export.php
includes/FeedUtils.php
includes/GlobalFunctions.php
includes/ImagePage.php
includes/Import.php
includes/LinkFilter.php
includes/LinksUpdate.php
includes/Message.php
includes/Namespace.php
includes/OutputPage.php
includes/Revision.php
includes/SqlDataUpdate.php
includes/Title.php
includes/Uri.php [new file with mode: 0644]
includes/WikiFilePage.php
includes/WikiPage.php
includes/actions/EditAction.php
includes/actions/RawAction.php
includes/actions/RollbackAction.php
includes/api/ApiComparePages.php
includes/api/ApiDelete.php
includes/api/ApiEditPage.php
includes/api/ApiFormatNone.php [new file with mode: 0644]
includes/api/ApiMain.php
includes/api/ApiParse.php
includes/api/ApiPurge.php
includes/api/ApiQueryRevisions.php
includes/cache/LinkCache.php
includes/cache/MessageCache.php
includes/diff/DifferenceEngine.php
includes/filerepo/file/LocalFile.php
includes/installer/Ibm_db2Updater.php
includes/installer/Installer.php
includes/installer/MysqlUpdater.php
includes/installer/OracleUpdater.php
includes/installer/SqliteUpdater.php
includes/job/DoubleRedirectJob.php
includes/job/RefreshLinksJob.php
includes/parser/Parser.php
includes/parser/ParserOutput.php
includes/resourceloader/ResourceLoaderWikiModule.php
includes/search/SearchEngine.php
includes/specials/SpecialBooksources.php
includes/specials/SpecialComparePages.php
includes/specials/SpecialNewpages.php
includes/specials/SpecialUndelete.php
includes/upload/UploadFromUrl.php
languages/Language.php
languages/LanguageConverter.php
languages/classes/LanguageFi.php
languages/messages/MessagesDe.php
languages/messages/MessagesEn.php
languages/messages/MessagesGa.php
languages/messages/MessagesQqq.php
maintenance/archives/patch-archive-ar_content_format.sql [new file with mode: 0644]
maintenance/archives/patch-archive-ar_content_model.sql [new file with mode: 0644]
maintenance/archives/patch-page-page_content_model.sql [new file with mode: 0644]
maintenance/archives/patch-revision-rev_content_format.sql [new file with mode: 0644]
maintenance/archives/patch-revision-rev_content_model.sql [new file with mode: 0644]
maintenance/checkBadRedirects.php
maintenance/cleanupSpam.php
maintenance/cssjanus/cssjanus.py [changed mode: 0755->0644]
maintenance/cssjanus/csslex.py [changed mode: 0755->0644]
maintenance/dev/install.sh [changed mode: 0755->0644]
maintenance/dev/installmw.sh [changed mode: 0755->0644]
maintenance/dev/installphp.sh [changed mode: 0755->0644]
maintenance/dev/start.sh [changed mode: 0755->0644]
maintenance/edit.php
maintenance/hiphop/make [changed mode: 0755->0644]
maintenance/hiphop/run-server [changed mode: 0755->0644]
maintenance/importSiteScripts.php
maintenance/importTextFile.php
maintenance/populateRevisionLength.php
maintenance/populateRevisionSha1.php
maintenance/refreshLinks.php
maintenance/storage/drop_content_model_info.sql [new file with mode: 0644]
maintenance/storage/make-blobs [changed mode: 0755->0644]
maintenance/storage/testCompression.php
maintenance/tables.sql
resources/jquery/jquery.js
tests/parser/parserTest.inc
tests/phpunit/MediaWikiTestCase.php
tests/phpunit/includes/ArticleTablesTest.php
tests/phpunit/includes/ArticleTest.php
tests/phpunit/includes/ContentHandlerTest.php [new file with mode: 0644]
tests/phpunit/includes/CssContentTest.php [new file with mode: 0644]
tests/phpunit/includes/ExtraParserTest.php
tests/phpunit/includes/GlobalFunctions/GlobalTest.php
tests/phpunit/includes/JavascriptContentTest.php [new file with mode: 0644]
tests/phpunit/includes/LinksUpdateTest.php
tests/phpunit/includes/RevisionStorageTest.php
tests/phpunit/includes/RevisionStorageTest_ContentHandlerUseDB.php [new file with mode: 0644]
tests/phpunit/includes/RevisionTest.php
tests/phpunit/includes/TemplateCategoriesTest.php
tests/phpunit/includes/TitleMethodsTest.php
tests/phpunit/includes/UriTest.php [new file with mode: 0644]
tests/phpunit/includes/WikiPageTest.php
tests/phpunit/includes/WikiPageTest_ContentHandlerUseDB.php [new file with mode: 0644]
tests/phpunit/includes/WikitextContentHandlerTest.php [new file with mode: 0644]
tests/phpunit/includes/WikitextContentTest.php [new file with mode: 0644]
tests/phpunit/includes/filerepo/FileBackendTest.php
tests/phpunit/includes/search/SearchEngineTest.php
tests/phpunit/install-phpunit.sh [changed mode: 0755->0644]
tests/phpunit/maintenance/DumpTestCase.php
tests/phpunit/maintenance/backupPrefetchTest.php
tests/phpunit/maintenance/backupTextPassTest.php
tests/phpunit/maintenance/fetchTextTest.php
tests/phpunit/suite.xml
thumb.php

index 0ec44b8..3b2aa76 100644 (file)
@@ -2,5 +2,5 @@
 host=gerrit.wikimedia.org
 port=29418
 project=mediawiki/core.git
-defaultbranch=master
+defaultbranch=Wikidata
 defaultrebase=0
index 82ab330..34be12e 100644 (file)
@@ -87,6 +87,8 @@ upgrade PHP if you have not done so prior to upgrading MediaWiki.
 * Added new function getDomain to AuthPlugin for getting a user's domain
 * (bug 23427) New magic word {{PAGEID}} which gives the current page ID.
   Will be null on previewing a page being created.
+* Added new hook AfterFinalPageOutput to allow modifications to buffered page output before sent
+  to the client.
 * (bug 37627) UserNotLoggedIn() exception to show a generic error page whenever
   a user is not logged in.
 * Watched status in changes lists are no longer indicated by <strong></strong>
old mode 100755 (executable)
new mode 100644 (file)
old mode 100755 (executable)
new mode 100644 (file)
old mode 100755 (executable)
new mode 100644 (file)
index ca46578..de5d4ce 100644 (file)
@@ -283,6 +283,11 @@ $article: Article object
 $user: the User object that was created. (Parameter added in 1.7)
 $byEmail: true when account was created "by email" (added in 1.12)
 
+'AfterFinalPageOutput': At the end of OutputPage::output() but before
+final ob_end_flush() which will send the buffered output to the client.
+This allows for last-minute modification of the output within the buffer
+by using ob_get_clean().
+
 'AfterImportPage': When a page import is completed
 $title: Title under which the revisions were imported
 $origTitle: Title provided by the XML file
@@ -410,9 +415,14 @@ token types.
 used to retrieve this type of tokens.
 
 'ArticleAfterFetchContent': after fetching content of an article from
+the database. DEPRECATED, use ArticleAfterFetchContentObject instead.
+$article: the article (object) being loaded from the database
+&$content: the content (string) of the article
+
+'ArticleAfterFetchContentObject': after fetching content of an article from
 the database
 $article: the article (object) being loaded from the database
-$content: the content (string) of the article
+&$content: the content of the article, as a Content object
 
 'ArticleConfirmDelete': before writing the confirmation form for article
        deletion
@@ -460,7 +470,7 @@ Wiki::articleFromTitle()
 $title: title (object) used to create the article object
 $article: article (object) that will be returned
 
-'ArticleInsertComplete': After a new article is created
+'ArticleInsertComplete': After a new article is created. DEPRECATED, use ArticleContentInsertComplete
 $article: WikiPage created
 $user: User creating the article
 $text: New content
@@ -468,7 +478,18 @@ $summary: Edit summary/comment
 $isMinor: Whether or not the edit was marked as minor
 $isWatch: (No longer used)
 $section: (No longer used)
-$flags: Flags passed to Article::doEdit()
+$flags: Flags passed to WikiPage::doEditContent()
+$revision: New Revision of the article
+
+'ArticleContentInsertComplete': After a new article is created
+$article: WikiPage created
+$user: User creating the article
+$content: New content as a Content object
+$summary: Edit summary/comment
+$isMinor: Whether or not the edit was marked as minor
+$isWatch: (No longer used)
+$section: (No longer used)
+$flags: Flags passed to WikiPage::doEditContent()
 $revision: New Revision of the article
 
 'ArticleMergeComplete': after merging to article using Special:Mergehistory
@@ -519,7 +540,7 @@ $user: the user who did the rollback
 $revision: the revision the page was reverted back to
 $current: the reverted revision
 
-'ArticleSave': before an article is saved
+'ArticleSave': before an article is saved. DEPRECATED, use ArticleContentSave instead
 $article: the WikiPage (object) being saved
 $user: the user (object) saving the article
 $text: the new article text
@@ -528,7 +549,16 @@ $isminor: minor flag
 $iswatch: watch flag
 $section: section #
 
-'ArticleSaveComplete': After an article has been updated
+'ArticleContentSave': before an article is saved.
+$article: the WikiPage (object) being saved
+$user: the user (object) saving the article
+$content: the new article content, as a Content object
+$summary: the article summary (comment)
+$isminor: minor flag
+$iswatch: watch flag
+$section: section #
+
+'ArticleSaveComplete': After an article has been updated. DEPRECATED, use ArticleContentSaveComplete instead.
 $article: WikiPage modified
 $user: User performing the modification
 $text: New content
@@ -536,9 +566,22 @@ $summary: Edit summary/comment
 $isMinor: Whether or not the edit was marked as minor
 $isWatch: (No longer used)
 $section: (No longer used)
-$flags: Flags passed to Article::doEdit()
+$flags: Flags passed to WikiPage::doEditContent()
+$revision: New Revision of the article
+$status: Status object about to be returned by doEditContent()
+$baseRevId: the rev ID (or false) this edit was based on
+
+'ArticleContentSaveComplete': After an article has been updated
+$article: WikiPage modified
+$user: User performing the modification
+$content: New content, as a Content object
+$summary: Edit summary/comment
+$isMinor: Whether or not the edit was marked as minor
+$isWatch: (No longer used)
+$section: (No longer used)
+$flags: Flags passed to WikiPage::doEditContent()
 $revision: New Revision of the article
-$status: Status object about to be returned by doEdit()
+$status: Status object about to be returned by doEditContent()
 $baseRevId: the rev ID (or false) this edit was based on
 
 'ArticleUndelete': When one or more revisions of an article are restored
@@ -567,11 +610,19 @@ object to both indicate that the output is done and what parser output was used.
 follwed an redirect
 $article: target article (object)
 
-'ArticleViewCustom': allows to output the text of the article in a different format than wikitext
+'ArticleViewCustom': allows to output the text of the article in a different format than wikitext.
+DEPRECATED, use ArticleContentViewCustom instead.
+Note that it is preferrable to implement proper handing for a custom data type using the ContentHandler facility.
 $text: text of the page
 $title: title of the page
 $output: reference to $wgOut
 
+'ArticleContentViewCustom': allows to output the text of the article in a different format than wikitext.
+Note that it is preferrable to implement proper handing for a custom data type using the ContentHandler facility.
+$content: content of the page, as a Content object
+$title: title of the page
+$output: reference to $wgOut
+
 'AuthPluginAutoCreate': Called when creating a local account for an user logged
 in from an external authentication method
 $user: User object created locally
@@ -703,6 +754,16 @@ the collation given in $collationName.
 'ConfirmEmailComplete': Called after a user's email has been confirmed successfully
 $user: user (object) whose email is being confirmed
 
+'ContentHandlerDefaultModelFor': Called when the default content model is determiend
+for a given title. May be used to assign a different model for that title.
+$title: the Title in question
+&$model: the model name. Use with CONTENT_MODEL_XXX constants.
+
+'ContentHandlerForModelID': Called when a ContentHandler is requested for a given
+cointent model name, but no entry for that model exists in $wgContentHandlers.
+$modeName: the requested content model name
+&$handler: set this to a ContentHandler object, if desired.
+
 'ContribsPager::getQueryInfo': Before the contributions query is about to run
 &$pager: Pager object for contributions
 &$queryInfo: The query for the contribs Pager
@@ -776,12 +837,19 @@ $section: Section being edited
 &$error: Error message to return
 $summary: Edit summary for page
 
-'EditFilterMerged': Post-section-merge edit filter
+'EditFilterMerged': Post-section-merge edit filter.
+DEPRECATED, use EditFilterMergedContent instead.
 $editor: EditPage instance (object)
 $text: content of the edit box
 &$error: error message to return
 $summary: Edit summary for page
 
+'EditFilterMergedContent': Post-section-merge edit filter
+$editor: EditPage instance (object)
+$content: content of the edit box, as a Content object
+&$error: error message to return
+$summary: Edit summary for page
+
 'EditFormPreloadText': Allows population of the edit form when creating
 new pages
 &$text: Text to preload with
@@ -792,7 +860,7 @@ pages
 $editPage: EditPage    object
 
 'EditPage::attemptSave': called before an article is
-saved, that is before Article::doEdit() is called
+saved, that is before WikiPage::doEditContent() is called
 $editpage_Obj: the current EditPage object
 
 'EditPage::importFormData': allow extensions to read additional data
@@ -844,14 +912,28 @@ $title: title of page being edited
 &$msg: localization message name, overridable. Default is either 'copyrightwarning' or 'copyrightwarning2'
 
 'EditPageGetDiffText': Allow modifying the wikitext that will be used in
-"Show changes"
+"Show changes". DEPRECATED. Use EditPageGetDiffContent instead.
+Note that it is preferrable to implement diff handling for different data types using the ContentHandler facility.
+$editPage: EditPage object
+&$newtext: wikitext that will be used as "your version"
+
+'EditPageGetDiffContent': Allow modifying the wikitext that will be used in
+"Show changes".
+Note that it is preferrable to implement diff handling for different data types using the ContentHandler facility.
 $editPage: EditPage object
 &$newtext: wikitext that will be used as "your version"
 
-'EditPageGetPreviewText': Allow modifying the wikitext that will be previewed
+'EditPageGetPreviewText': Allow modifying the wikitext that will be previewed.
+DEPRECATED. Use EditPageGetPreviewContent instead.
+Note that it is preferrable to implement previews for different data types using the COntentHandler facility.
 $editPage: EditPage object
 &$toparse: wikitext that will be parsed
 
+'EditPageGetPreviewContent': Allow modifying the wikitext that will be previewed.
+Note that it is preferrable to implement previews for different data types using the COntentHandler facility.
+$editPage: EditPage object
+&$content: Content object to be previewed (may be replaced by hook function)
+
 'EditPageNoSuchSection': When a section edit request is given for an non-existent section
 &$editpage: The current EditPage object
 &$res: the HTML of the error text
@@ -1706,7 +1788,8 @@ $query : Original query.
 'ShowMissingArticle': Called when generating the output for a non-existent page
 $article: The article object corresponding to the page
 
-'ShowRawCssJs': Customise the output of raw CSS and JavaScript in page views
+'ShowRawCssJs': Customise the output of raw CSS and JavaScript in page views.
+DEPRECATED, use the ContentHandler facility to handle CSS and JavaScript!
 $text: Text being shown
 $title: Title of the custom script/stylesheet page
 $output: Current OutputPage object
@@ -2325,6 +2408,14 @@ One, and only one hook should set this, and return false.
 &$opts: Options to use for the query
 &$join: Join conditions
 
+'WikiPageDeletionUpdates': manipulate the list of DataUpdates to be applied when
+       a page is deleted. Called in WikiPage::getDeletionUpdates().
+       Note that updates specific to a content model should be provided by the
+       respective Content's getDeletionUpdates() method.
+$page: the WikiPage
+$content: the Content to generate updates for
+&$updates: the array of DataUpdate objects. Hook function may want to add to it.
+
 'wfShellWikiCmd': Called when generating a shell-escaped command line
        string to run a MediaWiki cli script.
 &$script: MediaWiki cli script path
index a3fb747..a476fb2 100644 (file)
@@ -57,10 +57,17 @@ class Article extends Page {
        public $mParserOptions;
 
        /**
-        * Content of the revision we are working on
+        * Text of the revision we are working on
         * @var string $mContent
         */
-       var $mContent;                    // !<
+       var $mContent;                    // !< #BC cruft
+
+       /**
+        * Content of the revision we are working on
+        * @var Content
+        * @since 1.WD
+        */
+       var $mContentObject;              // !<
 
        /**
         * Is the content ($mContent) already loaded?
@@ -231,9 +238,35 @@ class Article extends Page {
         * This function has side effects! Do not use this function if you
         * only want the real revision text if any.
         *
+        * @deprecated in 1.WD; use getContentObject() instead
+        *
         * @return string Return the text of this revision
         */
        public function getContent() {
+               wfDeprecated( __METHOD__, '1.WD' );
+               $content = $this->getContentObject();
+               return ContentHandler::getContentText( $content );
+       }
+
+       /**
+        * Returns a Content object representing the pages effective display content,
+        * not necessarily the revision's content!
+        *
+        * Note that getContent/loadContent do not follow redirects anymore.
+        * If you need to fetch redirectable content easily, try
+        * the shortcut in WikiPage::getRedirectTarget()
+        *
+        * This function has side effects! Do not use this function if you
+        * only want the real revision text if any.
+        *
+        * @return Content Return the content of this revision
+        *
+        * @since 1.WD
+        *
+        * @todo: FIXME: this should really be protected, all callers should be changed to use WikiPage::getContent() instead.
+        */
+       public function getContentObject() {
+               global $wgUser;
                wfProfileIn( __METHOD__ );
 
                if ( $this->mPage->getID() === 0 ) {
@@ -244,18 +277,20 @@ class Article extends Page {
                                if ( $text === false ) {
                                        $text = '';
                                }
+
+                               $content = ContentHandler::makeContent( $text, $this->getTitle() );
                        } else {
                                $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
-                               $text = wfMessage( $message )->text();
+                               $content = new MessageContent( $message, null, 'parsemag' );
                        }
                        wfProfileOut( __METHOD__ );
 
-                       return $text;
+                       return $content;
                } else {
-                       $this->fetchContent();
+                       $this->fetchContentObject();
                        wfProfileOut( __METHOD__ );
 
-                       return $this->mContent;
+                       return $this->mContentObject;
                }
        }
 
@@ -336,22 +371,61 @@ class Article extends Page {
         * Get text of an article from database
         * Does *NOT* follow redirects.
         *
+        * @protected
+        * @note this is really internal functionality that should really NOT be used by other functions. For accessing
+        *       article content, use the WikiPage class, especially WikiBase::getContent(). However, a lot of legacy code
+        *       uses this method to retrieve page text from the database, so the function has to remain public for now.
+        *
         * @return mixed string containing article contents, or false if null
+        * @deprecated in 1.WD, use WikiPage::getContent() instead
         */
-       function fetchContent() {
-               if ( $this->mContentLoaded ) {
+       function fetchContent() { #BC cruft!
+               wfDeprecated( __METHOD__, '1.WD' );
+
+               if ( $this->mContentLoaded && $this->mContent ) {
                        return $this->mContent;
                }
 
                wfProfileIn( __METHOD__ );
 
+               $content = $this->fetchContentObject();
+
+               $this->mContent = ContentHandler::getContentText( $content ); #@todo: get rid of mContent everywhere!
+               ContentHandler::runLegacyHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent ) );
+
+               wfProfileOut( __METHOD__ );
+
+               return $this->mContent;
+       }
+
+
+       /**
+        * Get text content object
+        * Does *NOT* follow redirects.
+        * TODO: when is this null?
+        *
+        * @note code that wants to retrieve page content from the database should use WikiPage::getContent().
+        *
+        * @return Content|null
+        *
+        * @since 1.WD
+        */
+       protected function fetchContentObject() {
+               if ( $this->mContentLoaded ) {
+                       return $this->mContentObject;
+               }
+
+               wfProfileIn( __METHOD__ );
+
                $this->mContentLoaded = true;
+               $this->mContent = null;
 
                $oldid = $this->getOldID();
 
                # Pre-fill content with error message so that if something
                # fails we'll have something telling us what we intended.
-               $this->mContent = wfMessage( 'missing-revision', $oldid )->plain();
+               // @todo: this isn't page content but a UI message. horrible.
+               $this->mContentObject = new MessageContent( 'missing-revision', array( $oldid ), array() ) ;
 
                if ( $oldid ) {
                        # $this->mRevision might already be fetched by getOldIDFromRequest()
@@ -371,6 +445,7 @@ class Article extends Page {
                        }
 
                        $this->mRevision = $this->mPage->getRevision();
+
                        if ( !$this->mRevision ) {
                                wfDebug( __METHOD__ . " failed to retrieve current page, rev_id " . $this->mPage->getLatest() . "\n" );
                                wfProfileOut( __METHOD__ );
@@ -380,14 +455,14 @@ class Article extends Page {
 
                // @todo FIXME: Horrible, horrible! This content-loading interface just plain sucks.
                // We should instead work with the Revision object when we need it...
-               $this->mContent = $this->mRevision->getText( Revision::FOR_THIS_USER ); // Loads if user is allowed
+               $this->mContentObject = $this->mRevision->getContent( Revision::FOR_THIS_USER ); // Loads if user is allowed
                $this->mRevIdFetched = $this->mRevision->getId();
 
-               wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent ) );
+               wfRunHooks( 'ArticleAfterFetchContentObject', array( &$this, &$this->mContentObject ) );
 
                wfProfileOut( __METHOD__ );
 
-               return $this->mContent;
+               return $this->mContentObject;
        }
 
        /**
@@ -420,7 +495,7 @@ class Article extends Page {
         * @return Revision|null
         */
        public function getRevisionFetched() {
-               $this->fetchContent();
+               $this->fetchContentObject();
 
                return $this->mRevision;
        }
@@ -580,7 +655,7 @@ class Article extends Page {
                                        break;
                                case 3:
                                        # This will set $this->mRevision if needed
-                                       $this->fetchContent();
+                                       $this->fetchContentObject();
 
                                        # Are we looking at an old revision
                                        if ( $oldid && $this->mRevision ) {
@@ -604,18 +679,28 @@ class Article extends Page {
                                                wfDebug( __METHOD__ . ": showing CSS/JS source\n" );
                                                $this->showCssOrJsPage();
                                                $outputDone = true;
-                                       } elseif( !wfRunHooks( 'ArticleViewCustom', array( $this->mContent, $this->getTitle(), $outputPage ) ) ) {
+                                       } elseif( !wfRunHooks( 'ArticleContentViewCustom',
+                                                                                       array( $this->fetchContentObject(), $this->getTitle(),
+                                                                                                       $outputPage ) ) ) {
+
+                                               # Allow extensions do their own custom view for certain pages
+                                               $outputDone = true;
+                                       } elseif( !ContentHandler::runLegacyHooks( 'ArticleViewCustom',
+                                                                                                                               array( $this->fetchContentObject(), $this->getTitle(),
+                                                                                                                                               $outputPage ) ) ) {
+
                                                # Allow extensions do their own custom view for certain pages
                                                $outputDone = true;
                                        } else {
-                                               $text = $this->getContent();
-                                               $rt = Title::newFromRedirectArray( $text );
+                                               $content = $this->getContentObject();
+                                               $rt = $content->getRedirectChain();
                                                if ( $rt ) {
                                                        wfDebug( __METHOD__ . ": showing redirect=no page\n" );
                                                        # Viewing a redirect page (e.g. with parameter redirect=no)
                                                        $outputPage->addHTML( $this->viewRedirect( $rt ) );
                                                        # Parse just to get categories, displaytitle, etc.
-                                                       $this->mParserOutput = $wgParser->parse( $text, $this->getTitle(), $parserOptions );
+                                                       $this->mParserOutput = $content->getParserOutput( $this->getTitle(), $oldid,
+                                                                                                                                                               $parserOptions, false );
                                                        $outputPage->addParserOutputNoText( $this->mParserOutput );
                                                        $outputDone = true;
                                                }
@@ -625,8 +710,9 @@ class Article extends Page {
                                        # Run the parse, protected by a pool counter
                                        wfDebug( __METHOD__ . ": doing uncached parse\n" );
 
+                                       // @todo: shouldn't we be passing $this->getPage() to PoolWorkArticleView instead of plain $this?
                                        $poolArticleView = new PoolWorkArticleView( $this, $parserOptions,
-                                               $this->getRevIdFetched(), $useParserCache, $this->getContent() );
+                                               $this->getRevIdFetched(), $useParserCache, $this->getContentObject(), $this->getContext() );
 
                                        if ( !$poolArticleView->execute() ) {
                                                $error = $poolArticleView->getError();
@@ -708,6 +794,8 @@ class Article extends Page {
        /**
         * Show a diff page according to current request variables. For use within
         * Article::view() only, other callers should use the DifferenceEngine class.
+        *
+        * @todo: make protected
         */
        public function showDiffPage() {
                $request = $this->getContext()->getRequest();
@@ -719,7 +807,17 @@ class Article extends Page {
                $unhide = $request->getInt( 'unhide' ) == 1;
                $oldid = $this->getOldID();
 
-               $de = new DifferenceEngine( $this->getContext(), $oldid, $diff, $rcid, $purge, $unhide );
+               $rev = $this->getRevisionFetched();
+
+               if ( !$rev ) {
+                       $this->getContext()->getOutput()->setPageTitle( wfMessage( 'errorpagetitle' )->text() );
+                       $this->getContext()->getOutput()->addWikiMsg( 'difference-missing-revision', $oldid, 1 );
+                       return;
+               }
+
+               $contentHandler = $rev->getContentHandler();
+               $de = $contentHandler->createDifferenceEngine( $this->getContext(), $oldid, $diff, $rcid, $purge, $unhide );
+
                // DifferenceEngine directly fetched the revision:
                $this->mRevIdFetched = $de->mNewid;
                $de->showDiffPage( $diffOnly );
@@ -737,22 +835,21 @@ class Article extends Page {
         * This is hooked by SyntaxHighlight_GeSHi to do syntax highlighting of these
         * page views.
         */
-       protected function showCssOrJsPage() {
-               $dir = $this->getContext()->getLanguage()->getDir();
-               $lang = $this->getContext()->getLanguage()->getCode();
+       protected function showCssOrJsPage( $showCacheHint = true ) {
+               global $wgOut;
 
-               $outputPage = $this->getContext()->getOutput();
-               $outputPage->wrapWikiMsg( "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
-                       'clearyourcache' );
+               if ( $showCacheHint ) {
+                       $dir = $this->getContext()->getLanguage()->getDir();
+                       $lang = $this->getContext()->getLanguage()->getCode();
+
+                       $wgOut->wrapWikiMsg( "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
+                               'clearyourcache' );
+               }
 
                // Give hooks a chance to customise the output
-               if ( wfRunHooks( 'ShowRawCssJs', array( $this->mContent, $this->getTitle(), $outputPage ) ) ) {
-                       // Wrap the whole lot in a <pre> and don't parse
-                       $m = array();
-                       preg_match( '!\.(css|js)$!u', $this->getTitle()->getText(), $m );
-                       $outputPage->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
-                       $outputPage->addHTML( htmlspecialchars( $this->mContent ) );
-                       $outputPage->addHTML( "\n</pre>\n" );
+               if ( ContentHandler::runLegacyHooks( 'ShowRawCssJs', array( $this->fetchContentObject(), $this->getTitle(), $wgOut ) ) ) {
+                       $po = $this->mContentObject->getParserOutput( $this->getTitle() );
+                       $wgOut->addHTML( $po->getText() );
                }
        }
 
@@ -1377,7 +1474,13 @@ class Article extends Page {
                // Generate deletion reason
                $hasHistory = false;
                if ( !$reason ) {
-                       $reason = $this->generateReason( $hasHistory );
+                       try {
+                               $reason = $this->generateReason( $hasHistory );
+                       } catch (MWException $e) {
+                               # if a page is horribly broken, we still want to be able to delete it. so be lenient about errors here.
+                               wfDebug("Error while building auto delete summary: $e");
+                               $reason = '';
+                       }
                }
 
                // If the page has a history, insert a warning
@@ -1617,12 +1720,29 @@ class Article extends Page {
         * @return ParserOutput or false if the given revsion ID is not found
         */
        public function getParserOutput( $oldid = null, User $user = null ) {
+               //XXX: bypasses mParserOptions and thus setParserOptions()
+
                $user = is_null( $user ) ? $this->getContext()->getUser() : $user;
                $parserOptions = $this->mPage->makeParserOptions( $user );
 
                return $this->mPage->getParserOutput( $parserOptions, $oldid );
        }
 
+       /**
+        * Override the ParserOptions used to render the primary article wikitext.
+        *
+        * @param ParserOptions $options
+        * @throws MWException if the parser options where already initialized.
+        */
+       public function setParserOptions( ParserOptions $options ) {
+               if ( $this->mParserOptions ) {
+                       throw new MWException( "can't change parser options after they have already been set" );
+               }
+
+               // clone, so if $options is modified later, it doesn't confuse the parser cache.
+               $this->mParserOptions = clone $options;
+       }
+
        /**
         * Get parser options suitable for rendering the primary article wikitext
         * @return ParserOptions
@@ -1888,7 +2008,9 @@ class Article extends Page {
         * @return mixed
         */
        public function generateReason( &$hasHistory ) {
-               return $this->mPage->getAutoDeleteReason( $hasHistory );
+               $title = $this->mPage->getTitle();
+               $handler = ContentHandler::getForTitle( $title );
+               return $handler->getAutoDeleteReason( $title, $hasHistory );
        }
 
        // ****** B/C functions for static methods ( __callStatic is PHP>=5.3 ) ****** //
@@ -1926,6 +2048,7 @@ class Article extends Page {
         * @param $newtext
         * @param $flags
         * @return string
+        * @deprecated since 1.WD, use ContentHandler::getAutosummary() instead
         */
        public static function getAutosummary( $oldtext, $newtext, $flags ) {
                return WikiPage::getAutosummary( $oldtext, $newtext, $flags );
index 9d78dbd..cb7432c 100644 (file)
@@ -252,6 +252,7 @@ $wgAutoloadLocalClasses = array(
        'UnlistedSpecialPage' => 'includes/SpecialPage.php',
        'UploadSourceAdapter' => 'includes/Import.php',
        'UppercaseCollation' => 'includes/Collation.php',
+       'Uri' => 'includes/Uri.php',
        'User' => 'includes/User.php',
        'UserArray' => 'includes/UserArray.php',
        'UserArrayFromResult' => 'includes/UserArray.php',
@@ -287,6 +288,20 @@ $wgAutoloadLocalClasses = array(
        'ZipDirectoryReader' => 'includes/ZipDirectoryReader.php',
        'ZipDirectoryReaderError' => 'includes/ZipDirectoryReader.php',
 
+       # content handler
+       'Content' => 'includes/Content.php',
+       'AbstractContent' => 'includes/Content.php',
+       'ContentHandler' => 'includes/ContentHandler.php',
+       'CssContent' => 'includes/Content.php',
+       'TextContentHandler' => 'includes/ContentHandler.php',
+       'CssContentHandler' => 'includes/ContentHandler.php',
+       'JavaScriptContent' => 'includes/Content.php',
+       'JavaScriptContentHandler' => 'includes/ContentHandler.php',
+       'MessageContent' => 'includes/Content.php',
+       'TextContent' => 'includes/Content.php',
+       'WikitextContent' => 'includes/Content.php',
+       'WikitextContentHandler' => 'includes/ContentHandler.php',
+
        # includes/actions
        'CachedAction' => 'includes/actions/CachedAction.php',
        'CreditsAction' => 'includes/actions/CreditsAction.php',
@@ -329,6 +344,7 @@ $wgAutoloadLocalClasses = array(
        'ApiFormatDump' => 'includes/api/ApiFormatDump.php',
        'ApiFormatFeedWrapper' => 'includes/api/ApiFormatBase.php',
        'ApiFormatJson' => 'includes/api/ApiFormatJson.php',
+       'ApiFormatNone' => 'includes/api/ApiFormatNone.php',
        'ApiFormatPhp' => 'includes/api/ApiFormatPhp.php',
        'ApiFormatRaw' => 'includes/api/ApiFormatRaw.php',
        'ApiFormatTxt' => 'includes/api/ApiFormatTxt.php',
@@ -1056,6 +1072,13 @@ $wgAutoloadLocalClasses = array(
        'TestFileIterator' => 'tests/testHelpers.inc',
        'TestRecorder' => 'tests/testHelpers.inc',
 
+       # tests/phpunit
+       'RevisionStorageTest' => 'tests/phpunit/includes/RevisionStorageTest.php',
+       'WikiPageTest' => 'tests/phpunit/includes/WikiPageTest.php',
+       'WikitextContentTest' => 'tests/phpunit/includes/WikitextContentTest.php',
+       'JavascriptContentTest' => 'tests/phpunit/includes/JavascriptContentTest.php',
+       'DummyContentHandlerForTesting' => 'tests/phpunit/includes/ContentHandlerTest.php',
+       'DummyContentForTesting' => 'tests/phpunit/includes/ContentHandlerTest.php',
        # tests/phpunit/includes
        'GenericArrayObjectTest' => 'tests/phpunit/includes/libs/GenericArrayObjectTest.php',
 
diff --git a/includes/Content.php b/includes/Content.php
new file mode 100644 (file)
index 0000000..8dfcd1c
--- /dev/null
@@ -0,0 +1,1401 @@
+<?php
+/**
+ * A content object represents page content, e.g. the text to show on a page.
+ * Content objects have no knowledge about how they relate to wiki pages.
+ *
+ * @since 1.WD
+ */
+interface Content {
+
+       /**
+        * @since WD.1
+        *
+        * @return string A string representing the content in a way useful for
+        *   building a full text search index. If no useful representation exists,
+        *   this method returns an empty string.
+        *
+        * @todo: test that this actually works
+        * @todo: make sure this also works with LuceneSearch / WikiSearch
+        */
+       public function getTextForSearchIndex( );
+
+       /**
+        * @since WD.1
+        *
+        * @return string The wikitext to include when another page includes this
+        * content, or false if the content is not includable in a wikitext page.
+        *
+        * @TODO: allow native handling, bypassing wikitext representation, like
+        *    for includable special pages.
+        * @TODO: allow transclusion into other content models than Wikitext!
+        * @TODO: used in WikiPage and MessageCache to get message text. Not so
+        *    nice. What should we use instead?!
+        */
+       public function getWikitextForTransclusion( );
+
+       /**
+        * Returns a textual representation of the content suitable for use in edit
+        * summaries and log messages.
+        *
+        * @since WD.1
+        *
+        * @param $maxlength int Maximum length of the summary text
+        * @return   The summary text
+        */
+       public function getTextForSummary( $maxlength = 250 );
+
+       /**
+        * Returns native representation of the data. Interpretation depends on
+        * the data model used, as given by getDataModel().
+        *
+        * @since WD.1
+        *
+        * @return mixed The native representation of the content. Could be a
+        *    string, a nested array structure, an object, a binary blob...
+        *    anything, really.
+        *
+        * @NOTE: review all calls carefully, caller must be aware of content model!
+        */
+       public function getNativeData( );
+
+       /**
+        * Returns the content's nominal size in bogo-bytes.
+        *
+        * @return int
+        */
+       public function getSize( );
+
+       /**
+        * Returns the ID of the content model used by this Content object.
+        * Corresponds to the CONTENT_MODEL_XXX constants.
+        *
+        * @since WD.1
+        *
+        * @return String The model id
+        */
+       public function getModel();
+
+       /**
+        * Convenience method that returns the ContentHandler singleton for handling
+        * the content model that this Content object uses.
+        *
+        * Shorthand for ContentHandler::getForContent( $this )
+        *
+        * @since WD.1
+        *
+        * @return ContentHandler
+        */
+       public function getContentHandler();
+
+       /**
+        * Convenience method that returns the default serialization format for the
+        * content model that this Content object uses.
+        *
+        * Shorthand for $this->getContentHandler()->getDefaultFormat()
+        *
+        * @since WD.1
+        *
+        * @return String
+        */
+       public function getDefaultFormat();
+
+       /**
+        * Convenience method that returns the list of serialization formats
+        * supported for the content model that this Content object uses.
+        *
+        * Shorthand for $this->getContentHandler()->getSupportedFormats()
+        *
+        * @since WD.1
+        *
+        * @return Array of supported serialization formats
+        */
+       public function getSupportedFormats();
+
+       /**
+        * Returns true if $format is a supported serialization format for this
+        * Content object, false if it isn't.
+        *
+        * Note that this should always return true if $format is null, because null
+        * stands for the default serialization.
+        *
+        * Shorthand for $this->getContentHandler()->isSupportedFormat( $format )
+        *
+        * @since WD.1
+        *
+        * @param $format string The format to check
+        * @return bool Whether the format is supported
+        */
+       public function isSupportedFormat( $format );
+
+       /**
+        * Convenience method for serializing this Content object.
+        *
+        * Shorthand for $this->getContentHandler()->serializeContent( $this, $format )
+        *
+        * @since WD.1
+        *
+        * @param $format null|string The desired serialization format (or null for
+        *    the default format).
+        * @return string Serialized form of this Content object
+        */
+       public function serialize( $format = null );
+
+       /**
+        * Returns true if this Content object represents empty content.
+        *
+        * @since WD.1
+        *
+        * @return bool Whether this Content object is empty
+        */
+       public function isEmpty();
+
+       /**
+        * Returns whether the content is valid. This is intended for local validity
+        * checks, not considering global consistency.
+        *
+        * Content needs to be valid before it can be saved.
+        *
+        * This default implementation always returns true.
+        *
+        * @since WD.1
+        *
+        * @return boolean
+        */
+       public function isValid();
+
+       /**
+        * Returns true if this Content objects is conceptually equivalent to the
+        * given Content object.
+        *
+        * Contract:
+        *
+        * - Will return false if $that is null.
+        * - Will return true if $that === $this.
+        * - Will return false if $that->getModelName() != $this->getModel().
+        * - Will return false if $that->getNativeData() is not equal to $this->getNativeData(),
+        *   where the meaning of "equal" depends on the actual data model.
+        *
+        * Implementations should be careful to make equals() transitive and reflexive:
+        *
+        * - $a->equals( $b ) <=> $b->equals( $a )
+        * - $a->equals( $b ) &&  $b->equals( $c ) ==> $a->equals( $c )
+        *
+        * @since WD.1
+        *
+        * @param $that Content The Content object to compare to
+        * @return bool True if this Content object is equal to $that, false otherwise.
+        */
+       public function equals( Content $that = null );
+
+       /**
+        * Return a copy of this Content object. The following must be true for the
+        * object returned:
+        *
+        * if $copy = $original->copy()
+        *
+        * - get_class($original) === get_class($copy)
+        * - $original->getModel() === $copy->getModel()
+        * - $original->equals( $copy )
+        *
+        * If and only if the Content object is immutable, the copy() method can and
+        * should return $this. That is,  $copy === $original may be true, but only
+        * for immutable content objects.
+        *
+        * @since WD.1
+        *
+        * @return Content. A copy of this object
+        */
+       public function copy( );
+
+       /**
+        * Returns true if this content is countable as a "real" wiki page, provided
+        * that it's also in a countable location (e.g. a current revision in the
+        * main namespace).
+        *
+        * @since WD.1
+        *
+        * @param $hasLinks Bool: If it is known whether this content contains
+        *    links, provide this information here, to avoid redundant parsing to
+        *    find out.
+        * @return boolean
+        */
+       public function isCountable( $hasLinks = null ) ;
+
+
+       /**
+        * Parse the Content object and generate a ParserOutput from the result.
+        * $result->getText() can be used to obtain the generated HTML. If no HTML
+        * is needed, $generateHtml can be set to false; in that case,
+        * $result->getText() may return null.
+        *
+        * @param $title Title The page title to use as a context for rendering
+        * @param $revId null|int The revision being rendered (optional)
+        * @param $options null|ParserOptions Any parser options
+        * @param $generateHtml Boolean Whether to generate HTML (default: true). If false,
+        *        the result of calling getText() on the ParserOutput object returned by
+        *        this method is undefined.
+        *
+        * @since WD.1
+        *
+        * @return ParserOutput
+        */
+       public function getParserOutput( Title $title,
+               $revId = null,
+               ParserOptions $options = null, $generateHtml = true );
+       # TODO: make RenderOutput and RenderOptions base classes
+
+       /**
+        * Returns a list of DataUpdate objects for recording information about this
+        * Content in some secondary data store. If the optional second argument,
+        * $old, is given, the updates may model only the changes that need to be
+        * made to replace information about the old content with information about
+        * the new content.
+        *
+        * This default implementation calls
+        * $this->getParserOutput( $content, $title, null, null, false ),
+        * and then calls getSecondaryDataUpdates( $title, $recursive ) on the
+        * resulting ParserOutput object.
+        *
+        * Subclasses may implement this to determine the necessary updates more
+        * efficiently, or make use of information about the old content.
+        *
+        * @param $title Title The context for determining the necessary updates
+        * @param $old Content|null An optional Content object representing the
+        *    previous content, i.e. the content being replaced by this Content
+        *    object.
+        * @param $recursive boolean Whether to include recursive updates (default:
+        *    false).
+        * @param $parserOutput ParserOutput|null Optional ParserOutput object.
+        *    Provide if you have one handy, to avoid re-parsing of the content.
+        *
+        * @return Array. A list of DataUpdate objects for putting information
+        *    about this content object somewhere.
+        *
+        * @since WD.1
+        */
+       public function getSecondaryDataUpdates( Title $title,
+               Content $old = null,
+               $recursive = true, ParserOutput $parserOutput = null
+       );
+
+       /**
+        * Construct the redirect destination from this content and return an
+        * array of Titles, or null if this content doesn't represent a redirect.
+        * The last element in the array is the final destination after all redirects
+        * have been resolved (up to $wgMaxRedirects times).
+        *
+        * @since WD.1
+        *
+        * @return Array of Titles, with the destination last
+        */
+       public function getRedirectChain();
+
+       /**
+        * Construct the redirect destination from this content and return a Title,
+        * or null if this content doesn't represent a redirect.
+        * This will only return the immediate redirect target, useful for
+        * the redirect table and other checks that don't need full recursion.
+        *
+        * @since WD.1
+        *
+        * @return Title: The corresponding Title
+        */
+       public function getRedirectTarget();
+
+       /**
+        * Construct the redirect destination from this content and return the
+        * Title, or null if this content doesn't represent a redirect.
+        *
+        * This will recurse down $wgMaxRedirects times or until a non-redirect
+        * target is hit in order to provide (hopefully) the Title of the final
+        * destination instead of another redirect.
+        *
+        * There is usually no need to override the default behaviour, subclasses that
+        * want to implement redirects should override getRedirectTarget().
+        * 
+        * @since WD.1
+        *
+        * @return Title
+        */
+       public function getUltimateRedirectTarget();
+
+       /**
+        * Returns whether this Content represents a redirect.
+        * Shorthand for getRedirectTarget() !== null.
+        *
+        * @since WD.1
+        *
+        * @return bool
+        */
+       public function isRedirect();
+
+       /**
+        * If this Content object is a redirect, this method updates the redirect target.
+        * Otherwise, it does nothing.
+        *
+        * @since WD.1
+        *
+        * @param Title $target the new redirect target
+        *
+        * @return Content a new Content object with the updated redirect (or $this if this Content object isn't a redirect)
+        */
+       public function updateRedirect( Title $target );
+
+       /**
+        * Returns the section with the given ID.
+        *
+        * @since WD.1
+        *
+        * @param $sectionId string The section's ID, given as a numeric string.
+        *    The ID "0" retrieves the section before the first heading, "1" the
+        *    text between the first heading (included) and the second heading
+        *    (excluded), etc.
+        * @return Content|Boolean|null The section, or false if no such section
+        *    exist, or null if sections are not supported.
+        */
+       public function getSection( $sectionId );
+
+       /**
+        * Replaces a section of the content and returns a Content object with the
+        * section replaced.
+        *
+        * @since WD.1
+        *
+        * @param $section Empty/null/false or a section number (0, 1, 2, T1, T2...), or "new"
+        * @param $with Content: new content of the section
+        * @param $sectionTitle String: new section's subject, only if $section is 'new'
+        * @return string Complete article text, or null if error
+        */
+       public function replaceSection( $section, Content $with, $sectionTitle = ''  );
+
+       /**
+        * Returns a Content object with pre-save transformations applied (or this
+        * object if no transformations apply).
+        *
+        * @since WD.1
+        *
+        * @param $title Title
+        * @param $user User
+        * @param $popts null|ParserOptions
+        * @return Content
+        */
+       public function preSaveTransform( Title $title, User $user, ParserOptions $popts );
+
+       /**
+        * Returns a new WikitextContent object with the given section heading
+        * prepended, if supported. The default implementation just returns this
+        * Content object unmodified, ignoring the section header.
+        *
+        * @since WD.1
+        *
+        * @param $header string
+        * @return Content
+        */
+       public function addSectionHeader( $header );
+
+       /**
+        * Returns a Content object with preload transformations applied (or this
+        * object if no transformations apply).
+        *
+        * @since WD.1
+        *
+        * @param $title Title
+        * @param $popts null|ParserOptions
+        * @return Content
+        */
+       public function preloadTransform( Title $title, ParserOptions $popts );
+
+       /**
+        * Prepare Content for saving. Called before Content is saved by WikiPage::doEditContent() and in
+        * similar places.
+        *
+        * This may be used to check the content's consistency with global state. This function should
+        * NOT write any information to the database.
+        *
+        * Note that this method will usually be called inside the same transaction bracket that will be used
+        * to save the new revision.
+        *
+        * Note that this method is called before any update to the page table is performed. This means that
+        * $page may not yet know a page ID.
+        *
+        * @param WikiPage $page The page to be saved.
+        * @param int      $flags bitfield for use with EDIT_XXX constants, see WikiPage::doEditContent()
+        * @param int      $baseRevId the ID of the current revision
+        * @param User     $user
+        *
+        * @return Status A status object indicating whether the content was successfully prepared for saving.
+        *                If the returned status indicates an error, a rollback will be performed and the
+        *                transaction aborted.
+        *
+        * @see see WikiPage::doEditContent()
+        */
+       public function prepareSave( WikiPage $page, $flags, $baseRevId, User $user );
+
+       /**
+        * Returns a list of updates to perform when this content is deleted.
+        * The necessary updates may be taken from the Content object, or depend on
+        * the current state of the database.
+        *
+        * @since WD.1
+        *
+        * @param $title \Title the title of the deleted page
+        * @param $parserOutput null|\ParserOutput optional parser output object
+        *    for efficient access to meta-information about the content object.
+        *    Provide if you have one handy.
+        *
+        * @return array A list of DataUpdate instances that will clean up the
+        *    database after deletion.
+        */
+       public function getDeletionUpdates( Title $title,
+               ParserOutput $parserOutput = null );
+
+       /**
+        * Returns true if this Content object matches the given magic word.
+        *
+        * @param MagicWord $word the magic word to match
+        *
+        * @return bool whether this Content object matches the given magic word.
+        */
+       public function matchMagicWord( MagicWord $word );
+
+       # TODO: handle ImagePage and CategoryPage
+       # TODO: make sure we cover lucene search / wikisearch.
+       # TODO: make sure ReplaceTemplates still works
+       # FUTURE: nice&sane integration of GeSHi syntax highlighting
+       #   [11:59] <vvv> Hooks are ugly; make CodeHighlighter interface and a 
+       #   config to set the class which handles syntax highlighting
+       #   [12:00] <vvv> And default it to a DummyHighlighter
+
+       # TODO: make sure we cover the external editor interface (does anyone actually use that?!)
+
+       # TODO: tie into API to provide contentModel for Revisions
+       # TODO: tie into API to provide serialized version and contentFormat for Revisions
+       # TODO: tie into API edit interface
+       # FUTURE: make EditForm plugin for EditPage
+
+       # FUTURE: special type for redirects?!
+       # FUTURE: MultipartMultipart < WikipageContent (Main + Links + X)
+       # FUTURE: LinksContent < LanguageLinksContent, CategoriesContent
+}
+
+
+/**
+ * A content object represents page content, e.g. the text to show on a page.
+ * Content objects have no knowledge about how they relate to Wiki pages.
+ *
+ * @since 1.WD
+ */
+abstract class AbstractContent implements Content {
+
+       /**
+        * Name of the content model this Content object represents.
+        * Use with CONTENT_MODEL_XXX constants
+        *
+        * @var string $model_id
+        */
+       protected $model_id;
+
+       /**
+        * @param String $model_id
+        */
+       public function __construct( $model_id = null ) {
+               $this->model_id = $model_id;
+       }
+
+       /**
+        * @see Content::getModel()
+        */
+       public function getModel() {
+               return $this->model_id;
+       }
+
+       /**
+        * Throws an MWException if $model_id is not the id of the content model
+        * supported by this Content object.
+        *
+        * @param $model_id int the model to check
+        *
+        * @throws MWException
+        */
+       protected function checkModelID( $model_id ) {
+               if ( $model_id !== $this->model_id ) {
+                       throw new MWException( "Bad content model: " .
+                               "expected {$this->model_id}  " .
+                               "but got $model_id." );
+               }
+       }
+
+       /**
+        * @see Content::getContentHandler()
+        */
+       public function getContentHandler() {
+               return ContentHandler::getForContent( $this );
+       }
+
+       /**
+        * @see Content::getDefaultFormat()
+        */
+       public function getDefaultFormat() {
+               return $this->getContentHandler()->getDefaultFormat();
+       }
+
+       /**
+        * @see Content::getSupportedFormats()
+        */
+       public function getSupportedFormats() {
+               return $this->getContentHandler()->getSupportedFormats();
+       }
+
+       /**
+        * @see Content::isSupportedFormat()
+        */
+       public function isSupportedFormat( $format ) {
+               if ( !$format ) {
+                       return true; // this means "use the default"
+               }
+
+               return $this->getContentHandler()->isSupportedFormat( $format );
+       }
+
+       /**
+        * Throws an MWException if $this->isSupportedFormat( $format ) doesn't
+        * return true.
+        *
+        * @param $format
+        * @throws MWException
+        */
+       protected function checkFormat( $format ) {
+               if ( !$this->isSupportedFormat( $format ) ) {
+                       throw new MWException( "Format $format is not supported for content model " . 
+                               $this->getModel() );
+               }
+       }
+
+       /**
+        * @see Content::serialize
+        */
+       public function serialize( $format = null ) {
+               return $this->getContentHandler()->serializeContent( $this, $format );
+       }
+
+       /**
+        * @see Content::isEmpty()
+        */
+       public function isEmpty() {
+               return $this->getSize() == 0;
+       }
+
+       /**
+        * @see Content::isValid()
+        */
+       public function isValid() {
+               return true;
+       }
+
+       /**
+        * @see Content::equals()
+        */
+       public function equals( Content $that = null ) {
+               if ( is_null( $that ) ) {
+                       return false;
+               }
+
+               if ( $that === $this ) {
+                       return true;
+               }
+
+               if ( $that->getModel() !== $this->getModel() ) {
+                       return false;
+               }
+
+               return $this->getNativeData() === $that->getNativeData();
+       }
+
+
+       /**
+        * Returns a list of DataUpdate objects for recording information about this
+        * Content in some secondary data store.
+        *
+        * This default implementation calls
+        * $this->getParserOutput( $content, $title, null, null, false ),
+        * and then calls getSecondaryDataUpdates( $title, $recursive ) on the
+        * resulting ParserOutput object.
+        *
+        * Subclasses may override this to determine the secondary data updates more
+        * efficiently, preferrably without the need to generate a parser output object.
+        *
+        * @see Content::getSecondaryDataUpdates()
+        *
+        * @param $title Title The context for determining the necessary updates
+        * @param $old Content|null An optional Content object representing the
+        *    previous content, i.e. the content being replaced by this Content
+        *    object.
+        * @param $recursive boolean Whether to include recursive updates (default:
+        *    false).
+        * @param $parserOutput ParserOutput|null Optional ParserOutput object.
+        *    Provide if you have one handy, to avoid re-parsing of the content.
+        *
+        * @return Array. A list of DataUpdate objects for putting information
+        *    about this content object somewhere.
+        *
+        * @since WD.1
+        */
+       public function getSecondaryDataUpdates( Title $title,
+               Content $old = null,
+               $recursive = true, ParserOutput $parserOutput = null
+       ) {
+               if ( !$parserOutput ) {
+                       $parserOutput = $this->getParserOutput( $title, null, null, false );
+               }
+
+               return $parserOutput->getSecondaryDataUpdates( $title, $recursive );
+       }
+
+
+       /**
+        * @see Content::getRedirectChain()
+        */
+       public function getRedirectChain() {
+               global $wgMaxRedirects;
+               $title = $this->getRedirectTarget();
+               if ( is_null( $title ) ) {
+                       return null;
+               }
+               // recursive check to follow double redirects
+               $recurse = $wgMaxRedirects;
+               $titles = array( $title );
+               while ( --$recurse > 0 ) {
+                       if ( $title->isRedirect() ) {
+                               $page = WikiPage::factory( $title );
+                               $newtitle = $page->getRedirectTarget();
+                       } else {
+                               break;
+                       }
+                       // Redirects to some special pages are not permitted
+                       if ( $newtitle instanceOf Title && $newtitle->isValidRedirectTarget() ) {
+                               // The new title passes the checks, so make that our current
+                               // title so that further recursion can be checked
+                               $title = $newtitle;
+                               $titles[] = $newtitle;
+                       } else {
+                               break;
+                       }
+               }
+               return $titles;
+       }
+
+       /**
+        * @see Content::getRedirectTarget()
+        */
+       public function getRedirectTarget() {
+               return null;
+       }
+
+       /**
+        * @see Content::getUltimateRedirectTarget()
+        * @note: migrated here from Title::newFromRedirectRecurse
+        */
+       public function getUltimateRedirectTarget() {
+               $titles = $this->getRedirectChain();
+               return $titles ? array_pop( $titles ) : null;
+       }
+
+       /**
+        * @see Content::isRedirect()
+        *
+        * @since WD.1
+        *
+        * @return bool
+        */
+       public function isRedirect() {
+               return $this->getRedirectTarget() !== null;
+       }
+
+       /**
+        * @see Content::updateRedirect()
+        *
+        * This default implementation always returns $this.
+        *
+        * @since WD.1
+        *
+        * @return Content $this
+        */
+       public function updateRedirect( Title $target ) {
+               return $this;
+       }
+
+       /**
+        * @see Content::getSection()
+        */
+       public function getSection( $sectionId ) {
+               return null;
+       }
+
+       /**
+        * @see Content::replaceSection()
+        */
+       public function replaceSection( $section, Content $with, $sectionTitle = ''  ) {
+               return null;
+       }
+
+       /**
+        * @see Content::preSaveTransform()
+        */
+       public function preSaveTransform( Title $title, User $user, ParserOptions $popts ) {
+               return $this;
+       }
+
+       /**
+        * @see Content::addSectionHeader()
+        */
+       public function addSectionHeader( $header ) {
+               return $this;
+       }
+
+       /**
+        * @see Content::preloadTransform()
+        */
+       public function preloadTransform( Title $title, ParserOptions $popts ) {
+               return $this;
+       }
+
+       /**
+        * @see  Content::prepareSave()
+        */
+       public function prepareSave( WikiPage $page, $flags, $baseRevId, User $user ) {
+               if ( $this->isValid() ) {
+                       return Status::newGood();
+               } else {
+                       return Status::newFatal( "invalid-content-data" );
+               }
+       }
+
+       /**
+        * @see  Content::getDeletionUpdates()
+        *
+        * @since WD.1
+        *
+        * @param $title \Title the title of the deleted page
+        * @param $parserOutput null|\ParserOutput optional parser output object
+        *    for efficient access to meta-information about the content object.
+        *    Provide if you have one handy.
+        *
+        * @return array A list of DataUpdate instances that will clean up the
+        *    database after deletion.
+        */
+       public function getDeletionUpdates( Title $title,
+               ParserOutput $parserOutput = null )
+       {
+               return array(
+                       new LinksDeletionUpdate( $title ),
+               );
+       }
+
+       /**
+        * @see  Content::matchMagicWord()
+        *
+        * This default implementation always returns false. Subclasses may override this to supply matching logic.
+        *
+        * @param MagicWord $word
+        *
+        * @return bool
+        */
+       public function matchMagicWord( MagicWord $word ) {
+               return false;
+       }
+}
+
+/**
+ * Content object implementation for representing flat text.
+ *
+ * TextContent instances are immutable
+ *
+ * @since WD.1
+ */
+abstract class TextContent extends AbstractContent {
+
+       public function __construct( $text, $model_id = null ) {
+               parent::__construct( $model_id );
+
+               $this->mText = $text;
+       }
+
+       public function copy() {
+               return $this; # NOTE: this is ok since TextContent are immutable.
+       }
+
+       public function getTextForSummary( $maxlength = 250 ) {
+               global $wgContLang;
+
+               $text = $this->getNativeData();
+
+               $truncatedtext = $wgContLang->truncate(
+                       preg_replace( "/[\n\r]/", ' ', $text ),
+                       max( 0, $maxlength ) );
+
+               return $truncatedtext;
+       }
+
+       /**
+        * returns the text's size in bytes.
+        *
+        * @return int The size
+        */
+       public function getSize( ) {
+               $text = $this->getNativeData( );
+               return strlen( $text );
+       }
+
+       /**
+        * Returns true if this content is not a redirect, and $wgArticleCountMethod
+        * is "any".
+        *
+        * @param $hasLinks Bool: if it is known whether this content contains links,
+        * provide this information here, to avoid redundant parsing to find out.
+        *
+        * @return bool True if the content is countable
+        */
+       public function isCountable( $hasLinks = null ) {
+               global $wgArticleCountMethod;
+
+               if ( $this->isRedirect( ) ) {
+                       return false;
+               }
+
+               if (  $wgArticleCountMethod === 'any' ) {
+                       return true;
+               }
+
+               return false;
+       }
+
+       /**
+        * Returns the text represented by this Content object, as a string.
+        *
+        * @param   the raw text
+        */
+       public function getNativeData( ) {
+               $text = $this->mText;
+               return $text;
+       }
+
+       /**
+        * Returns the text represented by this Content object, as a string.
+        *
+        * @param   the raw text
+        */
+       public function getTextForSearchIndex( ) {
+               return $this->getNativeData();
+       }
+
+       /**
+        * Returns the text represented by this Content object, as a string.
+        *
+        * @param   the raw text
+        */
+       public function getWikitextForTransclusion( ) {
+               return $this->getNativeData();
+       }
+
+       /**
+        * Diff this content object with another content object..
+        *
+        * @since WD.diff
+        *
+        * @param $that Content the other content object to compare this content object to
+        * @param $lang Language the language object to use for text segmentation.
+        *    If not given, $wgContentLang is used.
+        *
+        * @return DiffResult a diff representing the changes that would have to be
+        *    made to this content object to make it equal to $that.
+        */
+       public function diff( Content $that, Language $lang = null ) {
+               global $wgContLang;
+
+               $this->checkModelID( $that->getModel() );
+
+               # @todo: could implement this in DifferenceEngine and just delegate here?
+
+               if ( !$lang ) $lang = $wgContLang;
+
+               $otext = $this->getNativeData();
+               $ntext = $this->getNativeData();
+
+               # Note: Use native PHP diff, external engines don't give us abstract output
+               $ota = explode( "\n", $wgContLang->segmentForDiff( $otext ) );
+               $nta = explode( "\n", $wgContLang->segmentForDiff( $ntext ) );
+
+               $diff = new Diff( $ota, $nta );
+               return $diff;
+       }
+
+
+       /**
+        * Returns a generic ParserOutput object, wrapping the HTML returned by
+        * getHtml().
+        *
+        * @param $title Title Context title for parsing
+        * @param $revId int|null Revision ID (for {{REVISIONID}})
+        * @param $options ParserOptions|null Parser options
+        * @param $generateHtml bool Whether or not to generate HTML
+        *
+        * @return ParserOutput representing the HTML form of the text
+        */
+       public function getParserOutput( Title $title,
+               $revId = null,
+               ParserOptions $options = null, $generateHtml = true
+       ) {
+               # Generic implementation, relying on $this->getHtml()
+
+               if ( $generateHtml ) {
+                       $html = $this->getHtml();
+               } else {
+                       $html = '';
+               }
+
+               $po = new ParserOutput( $html );
+               return $po;
+       }
+
+       /**
+        * Generates an HTML version of the content, for display. Used by
+        * getParserOutput() to construct a ParserOutput object.
+        *
+        * This default implementation just calls getHighlightHtml(). Content
+        * models that have another mapping to HTML (as is the case for markup
+        * languages like wikitext) should override this method to generate the
+        * appropriate HTML.
+        *
+        * @return string An HTML representation of the content
+        */
+       protected function getHtml() {
+               return $this->getHighlightHtml();
+       }
+
+       /**
+        * Generates a syntax-highlighted version of the content, as HTML.
+        * Used by the default implementation of getHtml().
+        *
+        * @return string an HTML representation of the content's markup
+        */
+       protected function getHighlightHtml( ) {
+               # TODO: make Highlighter interface, use highlighter here, if available
+               return htmlspecialchars( $this->getNativeData() );
+       }
+}
+
+/**
+ * @since WD.1
+ */
+class WikitextContent extends TextContent {
+
+       public function __construct( $text ) {
+               parent::__construct( $text, CONTENT_MODEL_WIKITEXT );
+       }
+
+       /**
+        * @see Content::getSection()
+        */
+       public function getSection( $section ) {
+               global $wgParser;
+
+               $text = $this->getNativeData();
+               $sect = $wgParser->getSection( $text, $section, false );
+
+               return  new WikitextContent( $sect );
+       }
+
+       /**
+        * @see Content::replaceSection()
+        */
+       public function replaceSection( $section, Content $with, $sectionTitle = '' ) {
+               wfProfileIn( __METHOD__ );
+
+               $myModelId = $this->getModel();
+               $sectionModelId = $with->getModel();
+
+               if ( $sectionModelId != $myModelId  ) {
+                       throw new MWException( "Incompatible content model for section: " .
+                               "document uses $myModelId but " .
+                               "section uses $sectionModelId." );
+               }
+
+               $oldtext = $this->getNativeData();
+               $text = $with->getNativeData();
+
+               if ( $section === '' ) {
+                       return $with; # XXX: copy first?
+               } if ( $section == 'new' ) {
+                       # Inserting a new section
+                       if ( $sectionTitle ) {
+                               $subject = wfMsgForContent( 'newsectionheaderdefaultlevel', $sectionTitle ) . "\n\n";
+                       } else {
+                               $subject = '';
+                       }
+                       if ( wfRunHooks( 'PlaceNewSection', array( $this, $oldtext, $subject, &$text ) ) ) {
+                               $text = strlen( trim( $oldtext ) ) > 0
+                                       ? "{$oldtext}\n\n{$subject}{$text}"
+                                       : "{$subject}{$text}";
+                       }
+               } else {
+                       # Replacing an existing section; roll out the big guns
+                       global $wgParser;
+
+                       $text = $wgParser->replaceSection( $oldtext, $section, $text );
+               }
+
+               $newContent = new WikitextContent( $text );
+
+               wfProfileOut( __METHOD__ );
+               return $newContent;
+       }
+
+       /**
+        * Returns a new WikitextContent object with the given section heading
+        * prepended.
+        *
+        * @param $header string
+        * @return Content
+        */
+       public function addSectionHeader( $header ) {
+               $text = wfMsgForContent( 'newsectionheaderdefaultlevel', $header ) . "\n\n" . 
+                       $this->getNativeData();
+
+               return new WikitextContent( $text );
+       }
+
+       /**
+        * Returns a Content object with pre-save transformations applied using
+        * Parser::preSaveTransform().
+        *
+        * @param $title Title
+        * @param $user User
+        * @param $popts ParserOptions
+        * @return Content
+        */
+       public function preSaveTransform( Title $title, User $user, ParserOptions $popts ) {
+               global $wgParser;
+
+               $text = $this->getNativeData();
+               $pst = $wgParser->preSaveTransform( $text, $title, $user, $popts );
+
+               return new WikitextContent( $pst );
+       }
+
+       /**
+        * Returns a Content object with preload transformations applied (or this
+        * object if no transformations apply).
+        *
+        * @param $title Title
+        * @param $popts ParserOptions
+        * @return Content
+        */
+       public function preloadTransform( Title $title, ParserOptions $popts ) {
+               global $wgParser;
+
+               $text = $this->getNativeData();
+               $plt = $wgParser->getPreloadText( $text, $title, $popts );
+
+               return new WikitextContent( $plt );
+       }
+
+       /**
+        * Implement redirect extraction for wikitext.
+        *
+        * @return null|Title
+        *
+        * @note: migrated here from Title::newFromRedirectInternal()
+        *
+        * @see Content::getRedirectTarget
+        * @see AbstractContent::getRedirectTarget
+        */
+       public function getRedirectTarget() {
+               global $wgMaxRedirects;
+               if ( $wgMaxRedirects < 1 ) {
+                       // redirects are disabled, so quit early
+                       return null;
+               }
+               $redir = MagicWord::get( 'redirect' );
+               $text = trim( $this->getNativeData() );
+               if ( $redir->matchStartAndRemove( $text ) ) {
+                       // Extract the first link and see if it's usable
+                       // Ensure that it really does come directly after #REDIRECT
+                       // Some older redirects included a colon, so don't freak about that!
+                       $m = array();
+                       if ( preg_match( '!^\s*:?\s*\[{2}(.*?)(?:\|.*?)?\]{2}!', $text, $m ) ) {
+                               // Strip preceding colon used to "escape" categories, etc.
+                               // and URL-decode links
+                               if ( strpos( $m[1], '%' ) !== false ) {
+                                       // Match behavior of inline link parsing here;
+                                       $m[1] = rawurldecode( ltrim( $m[1], ':' ) );
+                               }
+                               $title = Title::newFromText( $m[1] );
+                               // If the title is a redirect to bad special pages or is invalid, return null
+                               if ( !$title instanceof Title || !$title->isValidRedirectTarget() ) {
+                                       return null;
+                               }
+                               return $title;
+                       }
+               }
+               return null;
+       }
+
+       /**
+        * @see   Content::updateRedirect()
+        *
+        * This implementation replaces the first link on the page with the given new target
+        * if this Content object is a redirect. Otherwise, this method returns $this.
+        *
+        * @since WD.1
+        *
+        * @param Title $target
+        *
+        * @return Content a new Content object with the updated redirect (or $this if this Content object isn't a redirect)
+        */
+       public function updateRedirect( Title $target ) {
+               if ( !$this->isRedirect() ) {
+                       return $this;
+               }
+
+               # Fix the text
+               # Remember that redirect pages can have categories, templates, etc.,
+               # so the regex has to be fairly general
+               $newText = preg_replace( '/ \[ \[  [^\]]*  \] \] /x',
+                       '[[' . $target->getFullText() . ']]',
+                       $this->getNativeData(), 1 );
+
+               return new WikitextContent( $newText );
+       }
+
+       /**
+        * Returns true if this content is not a redirect, and this content's text
+        * is countable according to the criteria defined by $wgArticleCountMethod.
+        *
+        * @param $hasLinks Bool  if it is known whether this content contains
+        *    links, provide this information here, to avoid redundant parsing to
+        *    find out.
+        * @param $title null|\Title
+        *
+        * @internal param \IContextSource $context context for parsing if necessary
+        *
+        * @return bool True if the content is countable
+        */
+       public function isCountable( $hasLinks = null, Title $title = null ) {
+               global $wgArticleCountMethod;
+
+               if ( $this->isRedirect( ) ) {
+                       return false;
+               }
+
+               $text = $this->getNativeData();
+
+               switch ( $wgArticleCountMethod ) {
+                       case 'any':
+                               return true;
+                       case 'comma':
+                               return strpos( $text,  ',' ) !== false;
+                       case 'link':
+                               if ( $hasLinks === null ) { # not known, find out
+                                       if ( !$title ) {
+                                               $context = RequestContext::getMain();
+                                               $title = $context->getTitle();
+                                       }
+
+                                       $po = $this->getParserOutput( $title, null, null, false );
+                                       $links = $po->getLinks();
+                                       $hasLinks = !empty( $links );
+                               }
+
+                               return $hasLinks;
+               }
+
+               return false;
+       }
+
+       public function getTextForSummary( $maxlength = 250 ) {
+               $truncatedtext = parent::getTextForSummary( $maxlength );
+
+               # clean up unfinished links
+               # XXX: make this optional? wasn't there in autosummary, but required for
+               # deletion summary.
+               $truncatedtext = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $truncatedtext );
+
+               return $truncatedtext;
+       }
+
+
+       /**
+        * Returns a ParserOutput object resulting from parsing the content's text
+        * using $wgParser.
+        *
+        * @since    WD.1
+        *
+        * @param $content Content the content to render
+        * @param $title \Title
+        * @param $revId null
+        * @param $options null|ParserOptions
+        * @param $generateHtml bool
+        *
+        * @internal param \IContextSource|null $context
+        * @return ParserOutput representing the HTML form of the text
+        */
+       public function getParserOutput( Title $title,
+               $revId = null,
+               ParserOptions $options = null, $generateHtml = true
+       ) {
+               global $wgParser;
+
+               if ( !$options ) {
+                       $options = new ParserOptions();
+               }
+
+               $po = $wgParser->parse( $this->getNativeData(), $title, $options, true, true, $revId );
+               return $po;
+       }
+
+       protected function getHtml() {
+               throw new MWException(
+                       "getHtml() not implemented for wikitext. "
+                               . "Use getParserOutput()->getText()."
+               );
+       }
+
+       /**
+        * @see  Content::matchMagicWord()
+        *
+        * This implementation calls $word->match() on the this TextContent object's text.
+        *
+        * @param MagicWord $word
+        *
+        * @return bool whether this Content object matches the given magic word.
+        */
+       public function matchMagicWord( MagicWord $word ) {
+               return $word->match( $this->getNativeData() );
+       }
+}
+
+/**
+ * @since WD.1
+ */
+class MessageContent extends TextContent {
+       public function __construct( $msg_key, $params = null, $options = null ) {
+               # XXX: messages may be wikitext, html or plain text! and maybe even
+               # something else entirely.
+               parent::__construct( null, CONTENT_MODEL_WIKITEXT );
+
+               $this->mMessageKey = $msg_key;
+
+               $this->mParameters = $params;
+
+               if ( is_null( $options ) ) {
+                       $options = array();
+               }
+               elseif ( is_string( $options ) ) {
+                       $options = array( $options );
+               }
+
+               $this->mOptions = $options;
+       }
+
+       /**
+        * Returns the message as rendered HTML, using the options supplied to the
+        * constructor plus "parse".
+        * @param   the message text, parsed
+        */
+       public function getHtml(  ) {
+               $opt = array_merge( $this->mOptions, array( 'parse' ) );
+
+               return wfMsgExt( $this->mMessageKey, $this->mParameters, $opt );
+       }
+
+
+       /**
+        * Returns the message as raw text, using the options supplied to the
+        * constructor minus "parse" and "parseinline".
+        *
+        * @param   the message text, unparsed.
+        */
+       public function getNativeData( ) {
+               $opt = array_diff( $this->mOptions, array( 'parse', 'parseinline' ) );
+
+               return wfMsgExt( $this->mMessageKey, $this->mParameters, $opt );
+       }
+
+}
+
+/**
+ * @since WD.1
+ */
+class JavaScriptContent extends TextContent {
+       public function __construct( $text ) {
+               parent::__construct( $text, CONTENT_MODEL_JAVASCRIPT );
+       }
+
+       /**
+        * Returns a Content object with pre-save transformations applied using
+        * Parser::preSaveTransform().
+        *
+        * @param Title $title
+        * @param User $user
+        * @param ParserOptions $popts
+        * @return Content
+        */
+       public function preSaveTransform( Title $title, User $user, ParserOptions $popts ) {
+               global $wgParser;
+               // @todo: make pre-save transformation optional for script pages
+               // See bug #32858
+
+               $text = $this->getNativeData();
+               $pst = $wgParser->preSaveTransform( $text, $title, $user, $popts );
+
+               return new JavaScriptContent( $pst );
+       }
+
+
+       protected function getHtml( ) {
+               $html = "";
+               $html .= "<pre class=\"mw-code mw-js\" dir=\"ltr\">\n";
+               $html .= $this->getHighlightHtml( );
+               $html .= "\n</pre>\n";
+
+               return $html;
+       }
+}
+
+/**
+ * @since WD.1
+ */
+class CssContent extends TextContent {
+       public function __construct( $text ) {
+               parent::__construct( $text, CONTENT_MODEL_CSS );
+       }
+
+       /**
+        * Returns a Content object with pre-save transformations applied using
+        * Parser::preSaveTransform().
+        *
+        * @param $title Title
+        * @param $user User
+        * @param $popts ParserOptions
+        * @return Content
+        */
+       public function preSaveTransform( Title $title, User $user, ParserOptions $popts ) {
+               global $wgParser;
+               // @todo: make pre-save transformation optional for script pages
+
+               $text = $this->getNativeData();
+               $pst = $wgParser->preSaveTransform( $text, $title, $user, $popts );
+
+               return new CssContent( $pst );
+       }
+
+
+       protected function getHtml( ) {
+               $html = "";
+               $html .= "<pre class=\"mw-code mw-css\" dir=\"ltr\">\n";
+               $html .= $this->getHighlightHtml( );
+               $html .= "\n</pre>\n";
+
+               return $html;
+       }
+}
diff --git a/includes/ContentHandler.php b/includes/ContentHandler.php
new file mode 100644 (file)
index 0000000..7d844a4
--- /dev/null
@@ -0,0 +1,1050 @@
+<?php
+
+/**
+ * Exception representing a failure to serialize or unserialize a content object.
+ */
+class MWContentSerializationException extends MWException {
+
+}
+
+/**
+ * A content handler knows how do deal with a specific type of content on a wiki
+ * page. Content is stored in the database in a serialized form (using a
+ * serialization format a.k.a. MIME type) and is unserialized into its native
+ * PHP representation (the content model), which is wrapped in an instance of
+ * the appropriate subclass of Content.
+ *
+ * ContentHandler instances are stateless singletons that serve, among other
+ * things, as a factory for Content objects. Generally, there is one subclass
+ * of ContentHandler and one subclass of Content for every type of content model.
+ *
+ * Some content types have a flat model, that is, their native representation
+ * is the same as their serialized form. Examples would be JavaScript and CSS
+ * code. As of now, this also applies to wikitext (MediaWiki's default content
+ * type), but wikitext content may be represented by a DOM or AST structure in
+ * the future.
+ *
+ * @since 1.WD
+ */
+abstract class ContentHandler {
+
+       /**
+        * Convenience function for getting flat text from a Content object. This
+        * should only be used in the context of backwards compatibility with code
+        * that is not yet able to handle Content objects!
+        *
+        * If $content is null, this method returns the empty string.
+        *
+        * If $content is an instance of TextContent, this method returns the flat
+        * text as returned by $content->getNativeData().
+        *
+        * If $content is not a TextContent object, the behavior of this method
+        * depends on the global $wgContentHandlerTextFallback:
+        * - If $wgContentHandlerTextFallback is 'fail' and $content is not a
+        *   TextContent object, an MWException is thrown.
+        * - If $wgContentHandlerTextFallback is 'serialize' and $content is not a
+        *   TextContent object, $content->serialize() is called to get a string
+        *   form of the content.
+        * - If $wgContentHandlerTextFallback is 'ignore' and $content is not a
+        *   TextContent object, this method returns null.
+        * - otherwise, the behaviour is undefined.
+        *
+        * @since WD.1
+        * @deprecated since WD.1. Always try to use the content object.
+        *
+        * @static
+        * @param $content Content|null
+        * @return null|string the textual form of $content, if available
+        * @throws MWException if $content is not an instance of TextContent and
+        *   $wgContentHandlerTextFallback was set to 'fail'.
+        */
+       public static function getContentText( Content $content = null ) {
+               global $wgContentHandlerTextFallback;
+
+               if ( is_null( $content ) ) {
+                       return '';
+               }
+
+               if ( $content instanceof TextContent ) {
+                       return $content->getNativeData();
+               }
+
+               if ( $wgContentHandlerTextFallback == 'fail' ) {
+                       throw new MWException(
+                               "Attempt to get text from Content with model " .
+                               $content->getModel()
+                       );
+               }
+
+               if ( $wgContentHandlerTextFallback == 'serialize' ) {
+                       return $content->serialize();
+               }
+
+               return null;
+       }
+
+       /**
+        * Convenience function for creating a Content object from a given textual
+        * representation.
+        *
+        * $text will be deserialized into a Content object of the model specified
+        * by $modelId (or, if that is not given, $title->getContentModel()) using
+        * the given format.
+        *
+        * @since WD.1
+        *
+        * @static
+        *
+        * @param $text string the textual representation, will be
+        *    unserialized to create the Content object
+        * @param $title null|Title the title of the page this text belongs to.
+        *    Required if $modelId is not provided.
+        * @param $modelId null|string the model to deserialize to. If not provided,
+        *    $title->getContentModel() is used.
+        * @param $format null|string the format to use for deserialization. If not
+        *    given, the model's default format is used.
+        *
+        * @return Content a Content object representing $text
+        *
+        * @throw MWException if $model or $format is not supported or if $text can
+        *    not be unserialized using $format.
+        */
+       public static function makeContent( $text, Title $title = null,
+               $modelId = null, $format = null )
+       {
+               if ( is_null( $modelId ) ) {
+                       if ( is_null( $title ) ) {
+                               throw new MWException( "Must provide a Title object or a content model ID." );
+                       }
+
+                       $modelId = $title->getContentModel();
+               }
+
+               $handler = ContentHandler::getForModelID( $modelId );
+               return $handler->unserializeContent( $text, $format );
+       }
+
+       /**
+        * Returns the name of the default content model to be used for the page
+        * with the given title.
+        *
+        * Note: There should rarely be need to call this method directly.
+        * To determine the actual content model for a given page, use
+        * Title::getContentModel().
+        *
+        * Which model is to be used by default for the page is determined based
+        * on several factors:
+        * - The global setting $wgNamespaceContentModels specifies a content model
+        *   per namespace.
+        * - The hook DefaultModelFor may be used to override the page's default
+        *   model.
+        * - Pages in NS_MEDIAWIKI and NS_USER default to the CSS or JavaScript
+        *   model if they end in .js or .css, respectively.
+        * - Pages in NS_MEDIAWIKI default to the wikitext model otherwise.
+        * - The hook TitleIsCssOrJsPage may be used to force a page to use the CSS
+        *   or JavaScript model if they end in .js or .css, respectively.
+        * - The hook TitleIsWikitextPage may be used to force a page to use the
+        *   wikitext model.
+        *
+        * If none of the above applies, the wikitext model is used.
+        *
+        * Note: this is used by, and may thus not use, Title::getContentModel()
+        *
+        * @since WD.1
+        *
+        * @static
+        * @param $title Title
+        * @return null|string default model name for the page given by $title
+        */
+       public static function getDefaultModelFor( Title $title ) {
+               global $wgNamespaceContentModels;
+
+               // NOTE: this method must not rely on $title->getContentModel() directly or indirectly,
+               //       because it is used to initialize the mContentModel member.
+
+               $ns = $title->getNamespace();
+
+               $ext = false;
+               $m = null;
+               $model = null;
+
+               if ( !empty( $wgNamespaceContentModels[ $ns ] ) ) {
+                       $model = $wgNamespaceContentModels[ $ns ];
+               }
+
+               // Hook can determine default model
+               if ( !wfRunHooks( 'ContentHandlerDefaultModelFor', array( $title, &$model ) ) ) {
+                       if ( !is_null( $model ) ) {
+                               return $model;
+                       }
+               }
+
+               // Could this page contain custom CSS or JavaScript, based on the title?
+               $isCssOrJsPage = NS_MEDIAWIKI == $ns && preg_match( '!\.(css|js)$!u', $title->getText(), $m );
+               if ( $isCssOrJsPage ) {
+                       $ext = $m[1];
+               }
+
+               // Hook can force JS/CSS
+               wfRunHooks( 'TitleIsCssOrJsPage', array( $title, &$isCssOrJsPage ) );
+
+               // Is this a .css subpage of a user page?
+               $isJsCssSubpage = NS_USER == $ns
+                       && !$isCssOrJsPage
+                       && preg_match( "/\\/.*\\.(js|css)$/", $title->getText(), $m );
+               if ( $isJsCssSubpage ) {
+                       $ext = $m[1];
+               }
+
+               // Is this wikitext, according to $wgNamespaceContentModels or the DefaultModelFor hook?
+               $isWikitext = is_null( $model ) || $model == CONTENT_MODEL_WIKITEXT;
+               $isWikitext = $isWikitext && !$isCssOrJsPage && !$isJsCssSubpage;
+
+               // Hook can override $isWikitext
+               wfRunHooks( 'TitleIsWikitextPage', array( $title, &$isWikitext ) );
+
+               if ( !$isWikitext ) {
+                       switch ( $ext ) {
+                               case 'js':
+                                       return CONTENT_MODEL_JAVASCRIPT;
+                               case 'css':
+                                       return CONTENT_MODEL_CSS;
+                               default:
+                                       return is_null( $model ) ? CONTENT_MODEL_TEXT : $model;
+                       }
+               }
+
+               // We established that it must be wikitext
+
+               return CONTENT_MODEL_WIKITEXT;
+       }
+
+       /**
+        * Returns the appropriate ContentHandler singleton for the given title.
+        *
+        * @since WD.1
+        *
+        * @static
+        * @param $title Title
+        * @return ContentHandler
+        */
+       public static function getForTitle( Title $title ) {
+               $modelId = $title->getContentModel();
+               return ContentHandler::getForModelID( $modelId );
+       }
+
+       /**
+        * Returns the appropriate ContentHandler singleton for the given Content
+        * object.
+        *
+        * @since WD.1
+        *
+        * @static
+        * @param $content Content
+        * @return ContentHandler
+        */
+       public static function getForContent( Content $content ) {
+               $modelId = $content->getModel();
+               return ContentHandler::getForModelID( $modelId );
+       }
+
+       /**
+        * @var Array A Cache of ContentHandler instances by model id
+        */
+       static $handlers;
+
+       /**
+        * Returns the ContentHandler singleton for the given model ID. Use the
+        * CONTENT_MODEL_XXX constants to identify the desired content model.
+        *
+        * ContentHandler singletons are taken from the global $wgContentHandlers
+        * array. Keys in that array are model names, the values are either
+        * ContentHandler singleton objects, or strings specifying the appropriate
+        * subclass of ContentHandler.
+        *
+        * If a class name is encountered when looking up the singleton for a given
+        * model name, the class is instantiated and the class name is replaced by
+        * the resulting singleton in $wgContentHandlers.
+        *
+        * If no ContentHandler is defined for the desired $modelId, the
+        * ContentHandler may be provided by the ContentHandlerForModelID hook.
+        * If no ContentHandler can be determined, an MWException is raised.
+        *
+        * @since WD.1
+        *
+        * @static
+        * @param $modelId String The ID of the content model for which to get a
+        *    handler. Use CONTENT_MODEL_XXX constants.
+        * @return ContentHandler The ContentHandler singleton for handling the
+        *    model given by $modelId
+        * @throws MWException if no handler is known for $modelId.
+        */
+       public static function getForModelID( $modelId ) {
+               global $wgContentHandlers;
+
+               if ( isset( ContentHandler::$handlers[$modelId] ) ) {
+                       return ContentHandler::$handlers[$modelId];
+               }
+
+               if ( empty( $wgContentHandlers[$modelId] ) ) {
+                       $handler = null;
+
+                       wfRunHooks( 'ContentHandlerForModelID', array( $modelId, &$handler ) );
+
+                       if ( $handler === null ) {
+                               throw new MWException( "No handler for model #$modelId registered in \$wgContentHandlers" );
+                       }
+
+                       if ( !( $handler instanceof ContentHandler ) ) {
+                               throw new MWException( "ContentHandlerForModelID must supply a ContentHandler instance" );
+                       }
+               } else {
+                       $class = $wgContentHandlers[$modelId];
+                       $handler = new $class( $modelId );
+
+                       if ( !( $handler instanceof ContentHandler ) ) {
+                               throw new MWException( "$class from \$wgContentHandlers is not compatible with ContentHandler" );
+                       }
+               }
+
+               ContentHandler::$handlers[$modelId] = $handler;
+               return ContentHandler::$handlers[$modelId];
+       }
+
+       /**
+        * Returns the localized name for a given content model.
+        *
+        * Model names are localized using system messages. Message keys
+        * have the form content-model-$name, where $name is getContentModelName( $id ).
+        *
+        * @static
+        * @param $name String The content model ID, as given by a CONTENT_MODEL_XXX
+        *    constant or returned by Revision::getContentModel().
+        *
+        * @return string The content format's localized name.
+        * @throws MWException if the model id isn't known.
+        */
+       public static function getLocalizedName( $name ) {
+               $key = "content-model-$name";
+
+               if ( wfEmptyMsg( $key ) ) return $name;
+               else return wfMsg( $key );
+       }
+
+       public static function getContentModels() {
+               global $wgContentHandlers;
+
+               return array_keys( $wgContentHandlers );
+       }
+
+       public static function getAllContentFormats() {
+               global $wgContentHandlers;
+
+               $formats = array();
+
+               foreach ( $wgContentHandlers as $model => $class ) {
+                       $handler = ContentHandler::getForModelID( $model );
+                       $formats = array_merge( $formats, $handler->getSupportedFormats() );
+               }
+
+               $formats = array_unique( $formats );
+               return $formats;
+       }
+
+       // ------------------------------------------------------------------------
+
+       protected $mModelID;
+       protected $mSupportedFormats;
+
+       /**
+        * Constructor, initializing the ContentHandler instance with its model ID
+        * and a list of supported formats. Values for the parameters are typically
+        * provided as literals by subclass's constructors.
+        *
+        * @param $modelId String (use CONTENT_MODEL_XXX constants).
+        * @param $formats array List for supported serialization formats
+        *    (typically as MIME types)
+        */
+       public function __construct( $modelId, $formats ) {
+               $this->mModelID = $modelId;
+               $this->mSupportedFormats = $formats;
+
+               $this->mModelName = preg_replace( '/(Content)?Handler$/', '', get_class( $this ) );
+               $this->mModelName = preg_replace( '/[_\\\\]/', '', $this->mModelName );
+               $this->mModelName = strtolower( $this->mModelName );
+       }
+
+       /**
+        * Serializes a Content object of the type supported by this ContentHandler.
+        *
+        * @since WD.1
+        *
+        * @abstract
+        * @param $content Content The Content object to serialize
+        * @param $format null|String The desired serialization format
+        * @return string Serialized form of the content
+        */
+       public abstract function serializeContent( Content $content, $format = null );
+
+       /**
+        * Unserializes a Content object of the type supported by this ContentHandler.
+        *
+        * @since WD.1
+        *
+        * @abstract
+        * @param $blob string serialized form of the content
+        * @param $format null|String the format used for serialization
+        * @return Content the Content object created by deserializing $blob
+        */
+       public abstract function unserializeContent( $blob, $format = null );
+
+       /**
+        * Creates an empty Content object of the type supported by this
+        * ContentHandler.
+        *
+        * @since WD.1
+        *
+        * @return Content
+        */
+       public abstract function makeEmptyContent();
+
+       /**
+        * Returns the model id that identifies the content model this
+        * ContentHandler can handle. Use with the CONTENT_MODEL_XXX constants.
+        *
+        * @since WD.1
+        *
+        * @return String The model ID
+        */
+       public function getModelID() {
+               return $this->mModelID;
+       }
+
+       /**
+        * Throws an MWException if $model_id is not the ID of the content model
+        * supported by this ContentHandler.
+        *
+        * @since WD.1
+        *
+        * @param String $model_id The model to check
+        *
+        * @throws MWException
+        */
+       protected function checkModelID( $model_id ) {
+               if ( $model_id !== $this->mModelID ) {
+                       throw new MWException( "Bad content model: " .
+                               "expected {$this->mModelID} " .
+                               "but got $model_id." );
+               }
+       }
+
+       /**
+        * Returns a list of serialization formats supported by the
+        * serializeContent() and unserializeContent() methods of this
+        * ContentHandler.
+        *
+        * @since WD.1
+        *
+        * @return array of serialization formats as MIME type like strings
+        */
+       public function getSupportedFormats() {
+               return $this->mSupportedFormats;
+       }
+
+       /**
+        * The format used for serialization/deserialization by default by this
+        * ContentHandler.
+        *
+        * This default implementation will return the first element of the array
+        * of formats that was passed to the constructor.
+        *
+        * @since WD.1
+        *
+        * @return string the name of the default serialization format as a MIME type
+        */
+       public function getDefaultFormat() {
+               return $this->mSupportedFormats[0];
+       }
+
+       /**
+        * Returns true if $format is a serialization format supported by this
+        * ContentHandler, and false otherwise.
+        *
+        * Note that if $format is null, this method always returns true, because
+        * null means "use the default format".
+        *
+        * @since WD.1
+        *
+        * @param $format string the serialization format to check
+        * @return bool
+        */
+       public function isSupportedFormat( $format ) {
+
+               if ( !$format ) {
+                       return true; // this means "use the default"
+               }
+
+               return in_array( $format, $this->mSupportedFormats );
+       }
+
+       /**
+        * Throws an MWException if isSupportedFormat( $format ) is not true.
+        * Convenient for checking whether a format provided as a parameter is
+        * actually supported.
+        *
+        * @param $format string the serialization format to check
+        *
+        * @throws MWException
+        */
+       protected function checkFormat( $format ) {
+               if ( !$this->isSupportedFormat( $format ) ) {
+                       throw new MWException(
+                               "Format $format is not supported for content model "
+                               . $this->getModelID()
+                       );
+               }
+       }
+
+       /**
+        * Returns overrides for action handlers.
+        * Classes listed here will be used instead of the default one when
+        * (and only when) $wgActions[$action] === true. This allows subclasses
+        * to override the default action handlers.
+        *
+        * @since WD.1
+        *
+        * @return Array
+        */
+       public function getActionOverrides() {
+               return array();
+       }
+
+       /**
+        * Factory for creating an appropriate DifferenceEngine for this content model.
+        *
+        * @since WD.1
+        *
+        * @param $context IContextSource context to use, anything else will be
+        *    ignored
+        * @param $old Integer Old ID we want to show and diff with.
+        * @param $new int|string String either 'prev' or 'next'.
+        * @param $rcid Integer ??? FIXME (default 0)
+        * @param $refreshCache boolean If set, refreshes the diff cache
+        * @param $unhide boolean If set, allow viewing deleted revs
+        *
+        * @return DifferenceEngine
+        */
+       public function createDifferenceEngine( IContextSource $context,
+               $old = 0, $new = 0,
+               $rcid = 0, # FIXME: use everywhere!
+               $refreshCache = false, $unhide = false
+       ) {
+               $this->checkModelID( $context->getTitle()->getContentModel() );
+
+               $diffEngineClass = $this->getDiffEngineClass();
+
+               return new $diffEngineClass( $context, $old, $new, $rcid, $refreshCache, $unhide );
+       }
+
+       /**
+        * Get the language in which the content of the given page is written.
+        *
+        * This default implementation returns $wgContLang->getCode().
+        *
+        * Note that a page's language must be permanent and cacheable, that is, it must not depend
+        * on user preferences, request parameters or session state.
+        *
+        * Also note that the page language may or may not depend on the actual content of the page,
+        * that is, this method may load the content in order to determine the language.
+        *
+        * @since 1.WD
+        *
+        * @param Title        $title the page to determine the language for.
+        * @param Content|null $content the page's content, if you have it handy, to avoid reloading it.
+        *
+        * @return Language the page's language code
+        */
+       public function getPageLanguage( Title $title, Content $content = null ) {
+               global $wgContLang;
+               return $wgContLang;
+       }
+
+       /**
+        * Returns the name of the diff engine to use.
+        *
+        * @since WD.1
+        *
+        * @return string
+        */
+       protected function getDiffEngineClass() {
+               return 'DifferenceEngine';
+       }
+
+       /**
+        * Attempts to merge differences between three versions.
+        * Returns a new Content object for a clean merge and false for failure or
+        * a conflict.
+        *
+        * This default implementation always returns false.
+        *
+        * @since WD.1
+        *
+        * @param $oldContent Content|string  String
+        * @param $myContent Content|string   String
+        * @param $yourContent Content|string String
+        *
+        * @return Content|Bool
+        */
+       public function merge3( Content $oldContent, Content $myContent, Content $yourContent ) {
+               return false;
+       }
+
+       /**
+        * Return an applicable auto-summary if one exists for the given edit.
+        *
+        * @since WD.1
+        *
+        * @param $oldContent Content|null: the previous text of the page.
+        * @param $newContent Content|null: The submitted text of the page.
+        * @param $flags int Bit mask: a bit mask of flags submitted for the edit.
+        *
+        * @return string An appropriate auto-summary, or an empty string.
+        */
+       public function getAutosummary( Content $oldContent = null, Content $newContent = null, $flags ) {
+               global $wgContLang;
+
+               // Decide what kind of auto-summary is needed.
+
+               // Redirect auto-summaries
+
+               /**
+                * @var $ot Title
+                * @var $rt Title
+                */
+
+               $ot = !is_null( $oldContent ) ? $oldContent->getRedirectTarget() : null;
+               $rt = !is_null( $newContent ) ? $newContent->getRedirectTarget() : null;
+
+               if ( is_object( $rt ) ) {
+                       if ( !is_object( $ot )
+                               || !$rt->equals( $ot )
+                               || $ot->getFragment() != $rt->getFragment() )
+                       {
+                               $truncatedtext = $newContent->getTextForSummary(
+                                       250
+                                               - strlen( wfMsgForContent( 'autoredircomment' ) )
+                                               - strlen( $rt->getFullText() ) );
+
+                               return wfMsgForContent( 'autoredircomment', $rt->getFullText(), $truncatedtext );
+                       }
+               }
+
+               // New page auto-summaries
+               if ( $flags & EDIT_NEW && $newContent->getSize() > 0 ) {
+                       // If they're making a new article, give its text, truncated, in
+                       // the summary.
+
+                       $truncatedtext = $newContent->getTextForSummary(
+                               200 - strlen( wfMsgForContent( 'autosumm-new' ) ) );
+
+                       return wfMsgForContent( 'autosumm-new', $truncatedtext );
+               }
+
+               // Blanking auto-summaries
+               if ( !empty( $oldContent ) && $oldContent->getSize() > 0 && $newContent->getSize() == 0 ) {
+                       return wfMsgForContent( 'autosumm-blank' );
+               } elseif ( !empty( $oldContent )
+                       && $oldContent->getSize() > 10 * $newContent->getSize()
+                       && $newContent->getSize() < 500 )
+               {
+                       // Removing more than 90% of the article
+
+                       $truncatedtext = $newContent->getTextForSummary(
+                               200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) );
+
+                       return wfMsgForContent( 'autosumm-replace', $truncatedtext );
+               }
+
+               // If we reach this point, there's no applicable auto-summary for our
+               // case, so our auto-summary is empty.
+
+               return '';
+       }
+
+       /**
+        * Auto-generates a deletion reason
+        *
+        * @since WD.1
+        *
+        * @param $title Title: the page's title
+        * @param &$hasHistory Boolean: whether the page has a history
+        * @return mixed String containing deletion reason or empty string, or
+        *    boolean false if no revision occurred
+        *
+        * @XXX &$hasHistory is extremely ugly, it's here because
+        * WikiPage::getAutoDeleteReason() and Article::getReason()
+        * have it / want it.
+        */
+       public function getAutoDeleteReason( Title $title, &$hasHistory ) {
+               $dbw = wfGetDB( DB_MASTER );
+
+               // Get the last revision
+               $rev = Revision::newFromTitle( $title );
+
+               if ( is_null( $rev ) ) {
+                       return false;
+               }
+
+               // Get the article's contents
+               $content = $rev->getContent();
+               $blank = false;
+
+               $this->checkModelID( $content->getModel() );
+
+               // If the page is blank, use the text from the previous revision,
+               // which can only be blank if there's a move/import/protect dummy
+               // revision involved
+               if ( $content->getSize() == 0 ) {
+                       $prev = $rev->getPrevious();
+
+                       if ( $prev )    {
+                               $content = $prev->getContent();
+                               $blank = true;
+                       }
+               }
+
+               // Find out if there was only one contributor
+               // Only scan the last 20 revisions
+               $res = $dbw->select( 'revision', 'rev_user_text',
+                       array(
+                               'rev_page' => $title->getArticleID(),
+                               $dbw->bitAnd( 'rev_deleted', Revision::DELETED_USER ) . ' = 0'
+                       ),
+                       __METHOD__,
+                       array( 'LIMIT' => 20 )
+               );
+
+               if ( $res === false ) {
+                       // This page has no revisions, which is very weird
+                       return false;
+               }
+
+               $hasHistory = ( $res->numRows() > 1 );
+               $row = $dbw->fetchObject( $res );
+
+               if ( $row ) { // $row is false if the only contributor is hidden
+                       $onlyAuthor = $row->rev_user_text;
+                       // Try to find a second contributor
+                       foreach ( $res as $row ) {
+                               if ( $row->rev_user_text != $onlyAuthor ) { // Bug 22999
+                                       $onlyAuthor = false;
+                                       break;
+                               }
+                       }
+               } else {
+                       $onlyAuthor = false;
+               }
+
+               // Generate the summary with a '$1' placeholder
+               if ( $blank ) {
+                       // The current revision is blank and the one before is also
+                       // blank. It's just not our lucky day
+                       $reason = wfMsgForContent( 'exbeforeblank', '$1' );
+               } else {
+                       if ( $onlyAuthor ) {
+                               $reason = wfMsgForContent( 'excontentauthor', '$1', $onlyAuthor );
+                       } else {
+                               $reason = wfMsgForContent( 'excontent', '$1' );
+                       }
+               }
+
+               if ( $reason == '-' ) {
+                       // Allow these UI messages to be blanked out cleanly
+                       return '';
+               }
+
+               // Max content length = max comment length - length of the comment (excl. $1)
+               $text = $content->getTextForSummary( 255 - ( strlen( $reason ) - 2 ) );
+
+               // Now replace the '$1' placeholder
+               $reason = str_replace( '$1', $text, $reason );
+
+               return $reason;
+       }
+
+       /**
+        * Get the Content object that needs to be saved in order to undo all revisions
+        * between $undo and $undoafter. Revisions must belong to the same page,
+        * must exist and must not be deleted.
+        *
+        * @since WD.1
+        *
+        * @param $current Revision The current text
+        * @param $undo Revision The revision to undo
+        * @param $undoafter Revision Must be an earlier revision than $undo
+        *
+        * @return mixed String on success, false on failure
+        */
+       public function getUndoContent( Revision $current, Revision $undo, Revision $undoafter ) {
+               $cur_content = $current->getContent();
+
+               if ( empty( $cur_content ) ) {
+                       return false; // no page
+               }
+
+               $undo_content = $undo->getContent();
+               $undoafter_content = $undoafter->getContent();
+
+               $this->checkModelID( $cur_content->getModel() );
+               $this->checkModelID( $undo_content->getModel() );
+               $this->checkModelID( $undoafter_content->getModel() );
+
+               if ( $cur_content->equals( $undo_content ) ) {
+                       // No use doing a merge if it's just a straight revert.
+                       return $undoafter_content;
+               }
+
+               $undone_content = $this->merge3( $undo_content, $undoafter_content, $cur_content );
+
+               return $undone_content;
+       }
+
+       /**
+        * Returns true for content models that support caching using the
+        * ParserCache mechanism. See WikiPage::isParserCacheUser().
+        *
+        * @since WD.1
+        *
+        * @return bool
+        */
+       public function isParserCacheSupported() {
+               return true;
+       }
+
+       /**
+        * Returns true if this content model supports sections.
+        *
+        * This default implementation returns false.
+        *
+        * @return boolean whether sections are supported.
+        */
+       public function supportsSections() {
+               return false;
+       }
+
+       /**
+        * Call a legacy hook that uses text instead of Content objects.
+        * Will log a warning when a matching hook function is registered.
+        * If the textual representation of the content is changed by the
+        * hook function, a new Content object is constructed from the new
+        * text.
+        *
+        * @param $event String: event name
+        * @param $args Array: parameters passed to hook functions
+        * @param $warn bool: whether to log a warning (default: true). Should generally be true,
+        *                    may be set to false for testing.
+        *
+        * @return Boolean True if no handler aborted the hook
+        */
+       public static function runLegacyHooks( $event, $args = array(), $warn = true ) {
+               if ( !Hooks::isRegistered( $event ) ) {
+                       return true; // nothing to do here
+               }
+
+               if ( $warn ) {
+                       wfWarn( "Using obsolete hook $event" );
+               }
+
+               // convert Content objects to text
+               $contentObjects = array();
+               $contentTexts = array();
+
+               foreach ( $args as $k => $v ) {
+                       if ( $v instanceof Content ) {
+                               /* @var Content $v */
+
+                               $contentObjects[$k] = $v;
+
+                               $v = $v->serialize();
+                               $contentTexts[ $k ] = $v;
+                               $args[ $k ] = $v;
+                       }
+               }
+
+               // call the hook functions
+               $ok = wfRunHooks( $event, $args );
+
+               // see if the hook changed the text
+               foreach ( $contentTexts as $k => $orig ) {
+                       /* @var Content $content */
+
+                       $modified = $args[ $k ];
+                       $content = $contentObjects[$k];
+
+                       if ( $modified !== $orig ) {
+                               // text was changed, create updated Content object
+                               $content = $content->getContentHandler()->unserializeContent( $modified );
+                       }
+
+                       $args[ $k ] = $content;
+               }
+
+               return $ok;
+       }
+}
+
+/**
+ * @since WD.1
+ */
+abstract class TextContentHandler extends ContentHandler {
+
+       public function __construct( $modelId, $formats ) {
+               parent::__construct( $modelId, $formats );
+       }
+
+       /**
+        * Returns the content's text as-is.
+        *
+        * @param $content Content
+        * @param $format string|null
+        * @return mixed
+        */
+       public function serializeContent( Content $content, $format = null ) {
+               $this->checkFormat( $format );
+               return $content->getNativeData();
+       }
+
+       /**
+        * Attempts to merge differences between three versions. Returns a new
+        * Content object for a clean merge and false for failure or a conflict.
+        *
+        * All three Content objects passed as parameters must have the same
+        * content model.
+        *
+        * This text-based implementation uses wfMerge().
+        *
+        * @param $oldContent \Content|string  String
+        * @param $myContent \Content|string   String
+        * @param $yourContent \Content|string String
+        *
+        * @return Content|Bool
+        */
+       public function merge3( Content $oldContent, Content $myContent, Content $yourContent ) {
+               $this->checkModelID( $oldContent->getModel() );
+               $this->checkModelID( $myContent->getModel() );
+               $this->checkModelID( $yourContent->getModel() );
+
+               $format = $this->getDefaultFormat();
+
+               $old = $this->serializeContent( $oldContent, $format );
+               $mine = $this->serializeContent( $myContent, $format );
+               $yours = $this->serializeContent( $yourContent, $format );
+
+               $ok = wfMerge( $old, $mine, $yours, $result );
+
+               if ( !$ok ) {
+                       return false;
+               }
+
+               if ( !$result ) {
+                       return $this->makeEmptyContent();
+               }
+
+               $mergedContent = $this->unserializeContent( $result, $format );
+               return $mergedContent;
+       }
+
+}
+
+/**
+ * @since WD.1
+ */
+class WikitextContentHandler extends TextContentHandler {
+
+       public function __construct( $modelId = CONTENT_MODEL_WIKITEXT ) {
+               parent::__construct( $modelId, array( CONTENT_FORMAT_WIKITEXT ) );
+       }
+
+       public function unserializeContent( $text, $format = null ) {
+               $this->checkFormat( $format );
+
+               return new WikitextContent( $text );
+       }
+
+       public function makeEmptyContent() {
+               return new WikitextContent( '' );
+       }
+
+       /**
+        * Returns true because wikitext supports sections.
+        *
+        * @return boolean whether sections are supported.
+        */
+       public function supportsSections() {
+               return true;
+       }
+}
+
+# XXX: make ScriptContentHandler base class, do highlighting stuff there?
+
+/**
+ * @since WD.1
+ */
+class JavaScriptContentHandler extends TextContentHandler {
+
+       public function __construct( $modelId = CONTENT_MODEL_JAVASCRIPT ) {
+               parent::__construct( $modelId, array( CONTENT_FORMAT_JAVASCRIPT ) );
+       }
+
+       public function unserializeContent( $text, $format = null ) {
+               $this->checkFormat( $format );
+
+               return new JavaScriptContent( $text );
+       }
+
+       public function makeEmptyContent() {
+               return new JavaScriptContent( '' );
+       }
+
+       /**
+        * Returns the english language, because JS is english, and should be handled as such.
+        *
+        * @return Language wfGetLangObj( 'en' )
+        *
+        * @see ContentHandler::getPageLanguage()
+        */
+       public function getPageLanguage( Title $title, Content $content = null ) {
+               return wfGetLangObj( 'en' );
+       }
+}
+
+/**
+ * @since WD.1
+ */
+class CssContentHandler extends TextContentHandler {
+
+       public function __construct( $modelId = CONTENT_MODEL_CSS ) {
+               parent::__construct( $modelId, array( CONTENT_FORMAT_CSS ) );
+       }
+
+       public function unserializeContent( $text, $format = null ) {
+               $this->checkFormat( $format );
+
+               return new CssContent( $text );
+       }
+
+       public function makeEmptyContent() {
+               return new CssContent( '' );
+       }
+
+       /**
+        * Returns the english language, because CSS is english, and should be handled as such.
+        *
+        * @return Language wfGetLangObj( 'en' )
+        *
+        * @see ContentHandler::getPageLanguage()
+        */
+       public function getPageLanguage( Title $title, Content $content = null ) {
+               return wfGetLangObj( 'en' );
+       }
+}
index 045eb98..cf15ecd 100644 (file)
@@ -728,6 +728,16 @@ $wgMediaHandlers = array(
        'image/x-djvu'   => 'DjVuHandler', // compat
 );
 
+/**
+ * Plugins for page content model handling.
+ * Each entry in the array maps a model id to a class name
+ */
+$wgContentHandlers = array(
+       CONTENT_MODEL_WIKITEXT => 'WikitextContentHandler', // the usual case
+       CONTENT_MODEL_JAVASCRIPT => 'JavaScriptContentHandler', // dumb version, no syntax highlighting
+       CONTENT_MODEL_CSS => 'CssContentHandler', // dumb version, no syntax highlighting
+);
+
 /**
  * Resizing can be done using PHP's internal image libraries or using
  * ImageMagick or another third-party converter, e.g. GraphicMagick.
@@ -6194,6 +6204,31 @@ $wgSeleniumConfigFile = null;
 $wgDBtestuser = ''; //db user that has permission to create and drop the test databases only
 $wgDBtestpassword = '';
 
+/**
+ * Associative array mapping namespace IDs to the name of the content model pages in that namespace should have by
+ * default (use the CONTENT_MODEL_XXX constants). If no special content type is defined for a given namespace,
+ * pages in that namespace will  use the CONTENT_MODEL_WIKITEXT (except for the special case of JS and CS pages).
+ */
+$wgNamespaceContentModels = array();
+
+/**
+ * How to react if a plain text version of a non-text Content object is requested using ContentHandler::getContentText():
+ *
+ * * 'ignore': return null
+ * * 'fail': throw an MWException
+ * * 'serializeContent': serializeContent to default format
+ */
+$wgContentHandlerTextFallback = 'ignore';
+
+/**
+ * Compatibility switch for running ContentHandler code withoput a schema update.
+ * Set to false to disable use of the database fields introduced by the ContentHandler facility.
+ *
+ * @deprecated this is only here to allow code deployment without a database schema update on large sites.
+ *             get rid of it in the next version.
+ */
+$wgContentHandlerUseDB = true;
+
 /**
  * Whether the user must enter their password to change their e-mail address
  */
index be9f981..b589493 100644 (file)
@@ -261,7 +261,7 @@ define( 'APCOND_BLOCKED', 8 );
 define( 'APCOND_ISBOT', 9 );
 /**@}*/
 
-/**
+/** @{
  * Protocol constants for wfExpandUrl()
  */
 define( 'PROTO_HTTP', 'http://' );
@@ -270,3 +270,34 @@ define( 'PROTO_RELATIVE', '//' );
 define( 'PROTO_CURRENT', null );
 define( 'PROTO_CANONICAL', 1 );
 define( 'PROTO_INTERNAL', 2 );
+/**@}*/
+
+/**@{
+ * Content model ids, used by Content and ContentHandler.
+ * These IDs will be exposed in the API and XML dumps.
+ *
+ * Extensions that define their own content model IDs should take
+ * care to avoid conflicts. Using the extension name as a prefix is recommended.
+ */
+define( 'CONTENT_MODEL_WIKITEXT', 'wikitext' );
+define( 'CONTENT_MODEL_JAVASCRIPT', 'javascript' );
+define( 'CONTENT_MODEL_CSS', 'css' );
+define( 'CONTENT_MODEL_TEXT', 'text' );
+/**@}*/
+
+/**@{
+ * Content formats, used by Content and ContentHandler.
+ * These should be MIME types, and will be exposed in the API and XML dumps.
+ *
+ * Extensions are free to use the below formats, or define their own.
+ * It is recommended to stick with the conventions for MIME types.
+ */
+define( 'CONTENT_FORMAT_WIKITEXT', 'text/x-wiki' ); // wikitext
+define( 'CONTENT_FORMAT_JAVASCRIPT', 'text/javascript' ); // for js pages
+define( 'CONTENT_FORMAT_CSS', 'text/css' );  // for css pages
+define( 'CONTENT_FORMAT_TEXT', 'text/plain' ); // for future use, e.g. with some plain-html messages.
+define( 'CONTENT_FORMAT_HTML', 'text/html' ); // for future use, e.g. with some plain-html messages.
+define( 'CONTENT_FORMAT_SERIALIZED', 'application/vnd.php.serialized' ); // for future use with the api and for extensions
+define( 'CONTENT_FORMAT_JSON', 'application/json' ); // for future use with the api, and for use by extensions
+define( 'CONTENT_FORMAT_XML', 'application/xml' ); // for future use with the api, and for use by extensions
+/**@}*/
index 4d7b968..d48bd0b 100644 (file)
@@ -27,7 +27,7 @@
  */
 
 class DeprecatedGlobal extends StubObject {
-        // The m's are to stay consistent with parent class.
+       // The m's are to stay consistent with parent class.
        protected $mRealValue, $mVersion;
 
        function __construct( $name, $realValue, $version = false ) {
index 0389168..98b4d4d 100644 (file)
@@ -155,6 +155,11 @@ class EditPage {
         */
        const AS_IMAGE_REDIRECT_LOGGED     = 234;
 
+       /**
+        * Status: can't parse content
+        */
+       const AS_PARSE_ERROR                = 240;
+
        /**
         * HTML id and name for the beginning of the edit form.
         */
@@ -214,6 +219,7 @@ class EditPage {
        var $textbox1 = '', $textbox2 = '', $summary = '', $nosummary = false;
        var $edittime = '', $section = '', $sectiontitle = '', $starttime = '';
        var $oldid = 0, $editintro = '', $scrolltop = null, $bot = true;
+       var $content_model = null, $content_format = null;
 
        # Placeholders for text injection by hooks (must be HTML)
        # extensions should take care to _append_ to the present value
@@ -225,7 +231,7 @@ class EditPage {
        public $editFormTextBottom = '';
        public $editFormTextAfterContent = '';
        public $previewTextAfterContent = '';
-       public $mPreloadText = '';
+       public $mPreloadContent = null;
 
        /* $didSave should be set to true whenever an article was succesfully altered. */
        public $didSave = false;
@@ -239,6 +245,11 @@ class EditPage {
        public function __construct( Article $article ) {
                $this->mArticle = $article;
                $this->mTitle = $article->getTitle();
+
+               $this->content_model = $this->mTitle->getContentModel();
+
+               $handler = ContentHandler::getForModelID( $this->content_model );
+               $this->content_format = $handler->getDefaultFormat(); #NOTE: should be overridden by format of actual revision
        }
 
        /**
@@ -450,10 +461,10 @@ class EditPage {
                        return;
                }
 
-               $content = $this->getContent();
+               $content = $this->getContentObject();
 
                # Use the normal message if there's nothing to display
-               if ( $this->firsttime && $content === '' ) {
+               if ( $this->firsttime && $content->isEmpty() ) {
                        $action = $this->mTitle->exists() ? 'edit' :
                                ( $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage' );
                        throw new PermissionsError( $action, $permErrors );
@@ -467,13 +478,14 @@ class EditPage {
                # If the user made changes, preserve them when showing the markup
                # (This happens when a user is blocked during edit, for instance)
                if ( !$this->firsttime ) {
-                       $content = $this->textbox1;
+                       $text = $this->textbox1;
                        $wgOut->addWikiMsg( 'viewyourtext' );
                } else {
+                       $text = $content->serialize( $this->content_format );
                        $wgOut->addWikiMsg( 'viewsourcetext' );
                }
 
-               $this->showTextbox( $content, 'wpTextbox1', array( 'readonly' ) );
+               $this->showTextbox( $text, 'wpTextbox1', array( 'readonly' ) );
 
                $wgOut->addHTML( Html::rawElement( 'div', array( 'class' => 'templatesUsed' ),
                        Linker::formatTemplates( $this->getTemplates() ) ) );
@@ -711,10 +723,17 @@ class EditPage {
                        }
                }
 
+               $this->oldid = $request->getInt( 'oldid' );
+
                $this->bot = $request->getBool( 'bot', true );
                $this->nosummary = $request->getBool( 'nosummary' );
 
-               $this->oldid = $request->getInt( 'oldid' );
+               $content_handler = ContentHandler::getForTitle( $this->mTitle );
+               $this->content_model = $request->getText( 'model', $content_handler->getModelID() ); #may be overridden by revision
+               $this->content_format = $request->getText( 'format', $content_handler->getDefaultFormat() ); #may be overridden by revision
+
+               #TODO: check if the desired model is allowed in this namespace, and if a transition from the page's current model to the new model is allowed
+               #TODO: check if the desired content model supports the given content format!
 
                $this->live = $request->getCheck( 'live' );
                $this->editintro = $request->getText( 'editintro',
@@ -747,7 +766,10 @@ class EditPage {
        function initialiseForm() {
                global $wgUser;
                $this->edittime = $this->mArticle->getTimestamp();
-               $this->textbox1 = $this->getContent( false );
+
+               $content = $this->getContentObject( false ); #TODO: track content object?!
+               $this->textbox1 = $content->serialize( $this->content_format );
+
                // activate checkboxes if user wants them to be always active
                # Sort out the "watch" checkbox
                if ( $wgUser->getOption( 'watchdefault' ) ) {
@@ -776,33 +798,56 @@ class EditPage {
         * @param $def_text string
         * @return mixed string on success, $def_text for invalid sections
         * @private
+        * @deprecated since 1.WD
+        * @todo: deprecated, replace usage everywhere
         */
-       function getContent( $def_text = '' ) {
-               global $wgOut, $wgRequest, $wgParser;
+       function getContent( $def_text = false ) {
+               wfDeprecated( __METHOD__, '1.WD' );
+
+               if ( $def_text !== null && $def_text !== false && $def_text !== '' ) {
+                       $def_content = ContentHandler::makeContent( $def_text, $this->getTitle() );
+               } else {
+                       $def_content = false;
+               }
+
+               $content = $this->getContentObject( $def_content );
+
+               // Note: EditPage should only be used with text based content anyway.
+               return $content->serialize( $this->content_format );
+       }
+
+       private function getContentObject( $def_content = null ) {
+               global $wgOut, $wgRequest;
 
                wfProfileIn( __METHOD__ );
 
-               $text = false;
+               $content = false;
 
                // For message page not locally set, use the i18n message.
                // For other non-existent articles, use preload text if any.
                if ( !$this->mTitle->exists() || $this->section == 'new' ) {
                        if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && $this->section != 'new' ) {
                                # If this is a system message, get the default text.
-                               $text = $this->mTitle->getDefaultMessageText();
+                               $msg = $this->mTitle->getDefaultMessageText();
+
+                               $content = ContentHandler::makeContent( $msg, $this->mTitle );
                        }
-                       if ( $text === false ) {
+                       if ( $content === false ) {
                                # If requested, preload some text.
                                $preload = $wgRequest->getVal( 'preload',
                                        // Custom preload text for new sections
                                        $this->section === 'new' ? 'MediaWiki:addsection-preload' : '' );
-                               $text = $this->getPreloadedText( $preload );
+
+                               $content = $this->getPreloadedContent( $preload );
                        }
                // For existing pages, get text based on "undo" or section parameters.
                } else {
                        if ( $this->section != '' ) {
                                // Get section edit text (returns $def_text for invalid sections)
-                               $text = $wgParser->getSection( $this->getOriginalContent(), $this->section, $def_text );
+                               $orig = $this->getOriginalContent();
+                               $content = $orig ? $orig->getSection( $this->section ) : null;
+
+                               if ( !$content ) $content = $def_content;
                        } else {
                                $undoafter = $wgRequest->getInt( 'undoafter' );
                                $undo = $wgRequest->getInt( 'undo' );
@@ -818,15 +863,16 @@ class EditPage {
 
                                        # Sanity check, make sure it's the right page,
                                        # the revisions exist and they were not deleted.
-                                       # Otherwise, $text will be left as-is.
+                                       # Otherwise, $content will be left as-is.
                                        if ( !is_null( $undorev ) && !is_null( $oldrev ) &&
                                                $undorev->getPage() == $oldrev->getPage() &&
                                                $undorev->getPage() == $this->mTitle->getArticleID() &&
                                                !$undorev->isDeleted( Revision::DELETED_TEXT ) &&
                                                !$oldrev->isDeleted( Revision::DELETED_TEXT ) ) {
 
-                                               $text = $this->mArticle->getUndoText( $undorev, $oldrev );
-                                               if ( $text === false ) {
+                                               $content = $this->mArticle->getUndoContent( $undorev, $oldrev );
+
+                                               if ( $content === false ) {
                                                        # Warn the user that something went wrong
                                                        $undoMsg = 'failure';
                                                } else {
@@ -859,14 +905,14 @@ class EditPage {
                                                wfMessage( 'undo-' . $undoMsg )->plain() . '</div>', true, /* interface */true );
                                }
 
-                               if ( $text === false ) {
-                                       $text = $this->getOriginalContent();
+                               if ( $content === false ) {
+                                       $content = $this->getOriginalContent();
                                }
                        }
                }
 
                wfProfileOut( __METHOD__ );
-               return $text;
+               return $content;
        }
 
        /**
@@ -885,39 +931,69 @@ class EditPage {
         */
        private function getOriginalContent() {
                if ( $this->section == 'new' ) {
-                       return $this->getCurrentText();
+                       return $this->getCurrentContent();
                }
                $revision = $this->mArticle->getRevisionFetched();
                if ( $revision === null ) {
-                       return '';
+                       if ( !$this->content_model ) $this->content_model = $this->getTitle()->getContentModel();
+                       $handler = ContentHandler::getForModelID( $this->content_model );
+
+                       return $handler->makeEmptyContent();
                }
-               return $this->mArticle->getContent();
+               $content = $revision->getContent();
+               return $content;
        }
 
        /**
-        * Get the actual text of the page. This is basically similar to
-        * WikiPage::getRawText() except that when the page doesn't exist an empty
-        * string is returned instead of false.
+        * Get the current content of the page. This is basically similar to
+        * WikiPage::getContent( Revision::RAW ) except that when the page doesn't exist an empty
+        * content object is returned instead of null.
         *
-        * @since 1.19
+        * @since 1.WD
         * @return string
         */
-       private function getCurrentText() {
-               $text = $this->mArticle->getRawText();
-               if ( $text === false ) {
-                       return '';
+       private function getCurrentContent() {
+               $rev = $this->mArticle->getRevision();
+               $content = $rev ? $rev->getContent( Revision::RAW ) : null;
+
+               if ( $content  === false || $content === null ) {
+                       if ( !$this->content_model ) $this->content_model = $this->getTitle()->getContentModel();
+                       $handler = ContentHandler::getForModelID( $this->content_model );
+
+                       return $handler->makeEmptyContent();
                } else {
-                       return $text;
+                       # nasty side-effect, but needed for consistency
+                       $this->content_model = $rev->getContentModel();
+                       $this->content_format = $rev->getContentFormat();
+
+                       return $content;
                }
        }
 
+
        /**
         * Use this method before edit() to preload some text into the edit box
         *
         * @param $text string
+        * @deprecated since 1.WD
         */
        public function setPreloadedText( $text ) {
-               $this->mPreloadText = $text;
+               wfDeprecated( __METHOD__, "1.WD" );
+
+               $content = ContentHandler::makeContent( $text, $this->getTitle() );
+
+               $this->setPreloadedContent( $content );
+       }
+
+       /**
+        * Use this method before edit() to preload some content into the edit box
+        *
+        * @param $content Content
+        *
+        * @since 1.WD
+        */
+       public function setPreloadedContent( Content $content ) {
+               $this->mPreloadedContent = $content;
        }
 
        /**
@@ -925,23 +1001,47 @@ class EditPage {
         * an earlier setPreloadText() or by loading the given page.
         *
         * @param $preload String: representing the title to preload from.
+        *
         * @return String
+        *
+        * @deprecated since 1.WD, use getPreloadedContent() instead
+        */
+       protected function getPreloadedText( $preload ) { #NOTE: B/C only, replace usage!
+               wfDeprecated( __METHOD__, "1.WD" );
+
+               $content = $this->getPreloadedContent( $preload );
+               $text = $content->serialize( $this->content_format );
+
+               return $text;
+       }
+
+       /**
+        * Get the contents to be preloaded into the box, either set by
+        * an earlier setPreloadText() or by loading the given page.
+        *
+        * @param $preload String: representing the title to preload from.
+        *
+        * @return Content
+        *
+        * @since 1.WD
         */
-       protected function getPreloadedText( $preload ) {
-               global $wgUser, $wgParser;
+       protected function getPreloadedContent( $preload ) { #@todo: use this!
+               global $wgUser;
 
-               if ( !empty( $this->mPreloadText ) ) {
-                       return $this->mPreloadText;
+               if ( !empty( $this->mPreloadContent ) ) {
+                       return $this->mPreloadContent;
                }
 
+               $handler = ContentHandler::getForTitle( $this->getTitle() );
+
                if ( $preload === '' ) {
-                       return '';
+                       return $handler->makeEmptyContent();
                }
 
                $title = Title::newFromText( $preload );
                # Check for existence to avoid getting MediaWiki:Noarticletext
                if ( $title === null || !$title->exists() || !$title->userCan( 'read' ) ) {
-                       return '';
+                       return $handler->makeEmptyContent();
                }
 
                $page = WikiPage::factory( $title );
@@ -949,13 +1049,15 @@ class EditPage {
                        $title = $page->getRedirectTarget();
                        # Same as before
                        if ( $title === null || !$title->exists() || !$title->userCan( 'read' ) ) {
-                               return '';
+                               return $handler->makeEmptyContent();
                        }
                        $page = WikiPage::factory( $title );
                }
 
                $parserOptions = ParserOptions::newFromUser( $wgUser );
-               return $wgParser->getPreloadText( $page->getRawText(), $title, $parserOptions );
+               $content = $page->getContent( Revision::RAW );
+
+               return $content->preloadTransform( $title, $parserOptions );
        }
 
        /**
@@ -1003,6 +1105,10 @@ class EditPage {
                        case self::AS_HOOK_ERROR:
                                return false;
 
+                       case self::AS_PARSE_ERROR:
+                               $wgOut->addWikiText( '<div class="error">' . $status->getWikiText() . '</div>');
+                               return true;
+
                        case self::AS_SUCCESS_NEW_ARTICLE:
                                $query = $resultDetails['redirect'] ? 'redirect=no' : '';
                                $anchor = isset ( $resultDetails['sectionanchor'] ) ? $resultDetails['sectionanchor'] : '';
@@ -1095,9 +1201,20 @@ class EditPage {
                        return $status;
                }
 
+               try {
+                       # Construct Content object
+                       $textbox_content = ContentHandler::makeContent( $this->textbox1, $this->getTitle(),
+                                                                                                                       $this->content_model, $this->content_format );
+               } catch (MWContentSerializationException $ex) {
+                       $status->fatal( 'content-failed-to-parse', $this->content_model, $this->content_format, $ex->getMessage() );
+                       $status->value = self::AS_PARSE_ERROR;
+                       wfProfileOut( __METHOD__ );
+                       return $status;
+               }
+
                # Check image redirect
                if ( $this->mTitle->getNamespace() == NS_FILE &&
-                       Title::newFromRedirect( $this->textbox1 ) instanceof Title &&
+                       $textbox_content->isRedirect() &&
                        !$wgUser->isAllowed( 'upload' ) ) {
                                $code = $wgUser->isAnon() ? self::AS_IMAGE_REDIRECT_ANON : self::AS_IMAGE_REDIRECT_LOGGED;
                                $status->setResult( false, $code );
@@ -1239,13 +1356,13 @@ class EditPage {
                                return $status;
                        }
 
-                       $text = $this->textbox1;
+                       $content = $textbox_content;
+
                        $result['sectionanchor'] = '';
                        if ( $this->section == 'new' ) {
                                if ( $this->sectiontitle !== '' ) {
                                        // Insert the section title above the content.
-                                       $text = wfMessage( 'newsectionheaderdefaultlevel', $this->sectiontitle )
-                                               ->inContentLanguage()->text() . "\n\n" . $text;
+                                       $content = $content->addSectionHeader( $this->sectiontitle );
 
                                        // Jump to the new section
                                        $result['sectionanchor'] = $wgParser->guessLegacySectionNameFromWikiText( $this->sectiontitle );
@@ -1256,12 +1373,11 @@ class EditPage {
                                        if ( $this->summary === '' ) {
                                                $cleanSectionTitle = $wgParser->stripSectionName( $this->sectiontitle );
                                                $this->summary = wfMessage( 'newsectionsummary', $cleanSectionTitle )
-                                                       ->inContentLanguage()->text();
+                                                       ->inContentLanguage()->text() ;
                                        }
                                } elseif ( $this->summary !== '' ) {
                                        // Insert the section title above the content.
-                                       $text = wfMessage( 'newsectionheaderdefaultlevel', $this->summary )
-                                               ->inContentLanguage()->text() . "\n\n" . $text;
+                                       $content = $content->addSectionHeader( $this->sectiontitle );
 
                                        // Jump to the new section
                                        $result['sectionanchor'] = $wgParser->guessLegacySectionNameFromWikiText( $this->summary );
@@ -1275,10 +1391,13 @@ class EditPage {
 
                        $status->value = self::AS_SUCCESS_NEW_ARTICLE;
 
-               } else {
+               } else { # not $new
 
                        # Article exists. Check for edit conflict.
+
+                       $this->mArticle->clear(); # Force reload of dates, etc.
                        $timestamp = $this->mArticle->getTimestamp();
+
                        wfDebug( "timestamp: {$timestamp}, edittime: {$this->edittime}\n" );
 
                        if ( $timestamp != $this->edittime ) {
@@ -1310,26 +1429,33 @@ class EditPage {
                                $sectionTitle = $this->summary;
                        }
 
+                       $content = null;
+
                        if ( $this->isConflict ) {
-                               wfDebug( __METHOD__ . ": conflict! getting section '$this->section' for time '$this->edittime' (article time '{$timestamp}')\n" );
-                               $text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $sectionTitle, $this->edittime );
+                               wfDebug( __METHOD__ . ": conflict! getting section '{$this->section}' for time '{$this->edittime}'"
+                                               . " (article time '{$timestamp}')\n" );
+
+                               $content = $this->mArticle->replaceSectionContent( $this->section, $textbox_content,
+                                                                                                                                       $sectionTitle, $this->edittime );
                        } else {
-                               wfDebug( __METHOD__ . ": getting section '$this->section'\n" );
-                               $text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $sectionTitle );
+                               wfDebug( __METHOD__ . ": getting section '{$this->section}'\n" );
+                               $content = $this->mArticle->replaceSectionContent( $this->section, $textbox_content, $sectionTitle );
                        }
-                       if ( is_null( $text ) ) {
+
+                       if ( is_null( $content ) ) {
                                wfDebug( __METHOD__ . ": activating conflict; section replace failed.\n" );
                                $this->isConflict = true;
-                               $text = $this->textbox1; // do not try to merge here!
+                               $content = $textbox_content; // do not try to merge here!
                        } elseif ( $this->isConflict ) {
                                # Attempt merge
-                               if ( $this->mergeChangesInto( $text ) ) {
+                               if ( $this->mergeChangesIntoContent( $textbox_content ) ) {
                                        // Successful merge! Maybe we should tell the user the good news?
                                        $this->isConflict = false;
+                                       $content = $textbox_content;
                                        wfDebug( __METHOD__ . ": Suppressing edit conflict, successful merge.\n" );
                                } else {
                                        $this->section = '';
-                                       $this->textbox1 = $text;
+                                       #$this->textbox1 = $text; #redundant, nothing to do here?
                                        wfDebug( __METHOD__ . ": Keeping edit conflict, failed merge.\n" );
                                }
                        }
@@ -1341,7 +1467,10 @@ class EditPage {
                        }
 
                        // Run post-section-merge edit filter
-                       if ( !wfRunHooks( 'EditFilterMerged', array( $this, $text, &$this->hookError, $this->summary ) ) ) {
+                       $hook_args = array( $this, $content, &$this->hookError, $this->summary );
+
+                       if ( !ContentHandler::runLegacyHooks( 'EditFilterMerged', $hook_args )
+                               || !wfRunHooks( 'EditFilterMergedContent', $hook_args ) ) {
                                # Error messages etc. could be handled within the hook...
                                $status->fatal( 'hookaborted' );
                                $status->value = self::AS_HOOK_ERROR;
@@ -1357,8 +1486,8 @@ class EditPage {
 
                        # Handle the user preference to force summaries here, but not for null edits
                        if ( $this->section != 'new' && !$this->allowBlankSummary
-                               && $this->getOriginalContent() != $text
-                               && !Title::newFromRedirect( $text ) ) # check if it's not a redirect
+                               && !$content->equals( $this->getOriginalContent() )
+                               && !$content->isRedirect() ) # check if it's not a redirect
                        {
                                if ( md5( $this->summary ) == $this->autoSumm ) {
                                        $this->missingSummary = true;
@@ -1428,14 +1557,14 @@ class EditPage {
                        // merged the section into full text. Clear the section field
                        // so that later submission of conflict forms won't try to
                        // replace that into a duplicated mess.
-                       $this->textbox1 = $text;
+                       $this->textbox1 = $content->serialize( $this->content_format );
                        $this->section = '';
 
                        $status->value = self::AS_SUCCESS_UPDATE;
                }
 
                // Check for length errors again now that the section is merged in
-               $this->kblength = (int)( strlen( $text ) / 1024 );
+                       $this->kblength = (int)( strlen( $content->serialize( $this->content_format ) ) / 1024 );
                if ( $this->kblength > $wgMaxArticleSize ) {
                        $this->tooBig = true;
                        $status->setResult( false, self::AS_MAX_ARTICLE_SIZE_EXCEEDED );
@@ -1448,10 +1577,11 @@ class EditPage {
                        ( ( $this->minoredit && !$this->isNew ) ? EDIT_MINOR : 0 ) |
                        ( $bot ? EDIT_FORCE_BOT : 0 );
 
-               $doEditStatus = $this->mArticle->doEdit( $text, $this->summary, $flags );
+                       $doEditStatus = $this->mArticle->doEditContent( $content, $this->summary, $flags,
+                                                                                                                       false, null, $this->content_format );
 
                if ( $doEditStatus->isOK() ) {
-                       $result['redirect'] = Title::newFromRedirect( $text ) !== null;
+                               $result['redirect'] = $content->isRedirect();
                        $this->commitWatch();
                        wfProfileOut( __METHOD__ );
                        return $status;
@@ -1525,8 +1655,34 @@ class EditPage {
         * @param $editText string
         *
         * @return bool
+        * @deprecated since 1.WD, use mergeChangesIntoContent() instead
+        */
+       function mergeChangesInto( &$editText ){
+               wfDebug( __METHOD__, "1.WD" );
+
+               $editContent = ContentHandler::makeContent( $editText, $this->getTitle(),
+                                                                                                       $this->content_model, $this->content_format );
+
+               $ok = $this->mergeChangesIntoContent( $editContent );
+
+               if ( $ok ) {
+                       $editText = $editContent->serialize( $this->content_format );
+                       return true;
+               } else {
+                       return false;
+               }
+       }
+
+       /**
+        * @private
+        * @todo document
+        *
+        * @parma $editText string
+        *
+        * @return bool
+        * @since since 1.WD
         */
-       function mergeChangesInto( &$editText ) {
+       private function mergeChangesIntoContent( &$editContent ){
                wfProfileIn( __METHOD__ );
 
                $db = wfGetDB( DB_MASTER );
@@ -1537,7 +1693,7 @@ class EditPage {
                        wfProfileOut( __METHOD__ );
                        return false;
                }
-               $baseText = $baseRevision->getText();
+               $baseContent = $baseRevision->getContent();
 
                // The current state, we want to merge updates into it
                $currentRevision = Revision::loadFromTitle( $db, $this->mTitle );
@@ -1545,11 +1701,14 @@ class EditPage {
                        wfProfileOut( __METHOD__ );
                        return false;
                }
-               $currentText = $currentRevision->getText();
+               $currentContent = $currentRevision->getContent();
 
-               $result = '';
-               if ( wfMerge( $baseText, $editText, $currentText, $result ) ) {
-                       $editText = $result;
+               $handler = ContentHandler::getForModelID( $baseContent->getModel() );
+
+               $result = $handler->merge3( $baseContent, $editContent, $currentContent );
+
+               if ( $result ) {
+                       $editContent = $result;
                        wfProfileOut( __METHOD__ );
                        return true;
                } else {
@@ -1796,6 +1955,8 @@ class EditPage {
                        }
                }
 
+               //@todo: add EditForm plugin interface and use it here!
+               //       search for textarea1 and textares2, and allow EditForm to override all uses.
                $wgOut->addHTML( Html::openElement( 'form', array( 'id' => self::EDITFORM_ID, 'name' => self::EDITFORM_ID,
                        'method' => 'post', 'action' => $this->getActionURL( $this->getContextTitle() ),
                        'enctype' => 'multipart/form-data' ) ) );
@@ -1860,6 +2021,9 @@ class EditPage {
 
                $wgOut->addHTML( Html::hidden( 'oldid', $this->oldid ) );
 
+               $wgOut->addHTML( Html::hidden( 'format', $this->content_format ) );
+               $wgOut->addHTML( Html::hidden( 'model', $this->content_model ) );
+
                if ( $this->section == 'new' ) {
                        $this->showSummaryInput( true, $this->summary );
                        $wgOut->addHTML( $this->getSummaryPreview( true, $this->summary ) );
@@ -1877,7 +2041,9 @@ class EditPage {
                        // resolved between page source edits and custom ui edits using the
                        // custom edit ui.
                        $this->textbox2 = $this->textbox1;
-                       $this->textbox1 = $this->getCurrentText();
+
+                       $content = $this->getCurrentContent();
+                       $this->textbox1 = $content->serialize( $this->content_format );
 
                        $this->showTextbox1();
                } else {
@@ -1907,7 +2073,13 @@ class EditPage {
                        Linker::formatHiddenCategories( $this->mArticle->getHiddenCategories() ) ) );
 
                if ( $this->isConflict ) {
-                       $this->showConflict();
+                       try {
+                               $this->showConflict();
+                       } catch ( MWContentSerializationException $ex ) {
+                               // this can't really happen, but be nice if it does.
+                               $msg = wfMessage( 'content-failed-to-parse', $this->content_model, $this->content_format, $ex->getMessage() );
+                               $wgOut->addWikiText( '<div class="error">' . $msg->text() . '</div>');
+                       }
                }
 
                $wgOut->addHTML( $this->editFormTextBottom . "\n</form>\n" );
@@ -1981,7 +2153,7 @@ class EditPage {
 
                        if ( $this->section != '' && $this->section != 'new' ) {
                                if ( !$this->summary && !$this->preview && !$this->diff ) {
-                                       $sectionTitle = self::extractSectionTitle( $this->textbox1 );
+                                       $sectionTitle = self::extractSectionTitle( $this->textbox1 ); //FIXME: use Content object
                                        if ( $sectionTitle !== false ) {
                                                $this->summary = "/* $sectionTitle */ ";
                                        }
@@ -2288,10 +2460,10 @@ HTML
                $this->showTextbox( $this->textbox2, 'wpTextbox2', array( 'tabindex' => 6, 'readonly' ) );
        }
 
-       protected function showTextbox( $content, $name, $customAttribs = array() ) {
+       protected function showTextbox( $text, $name, $customAttribs = array() ) {
                global $wgOut, $wgUser;
 
-               $wikitext = $this->safeUnicodeOutput( $content );
+               $wikitext = $this->safeUnicodeOutput( $text );
                if ( strval( $wikitext ) !== '' ) {
                        // Ensure there's a newline at the end, otherwise adding lines
                        // is awkward.
@@ -2335,7 +2507,12 @@ HTML
                $wgOut->addHTML( '</div>' );
 
                if ( $this->formtype == 'diff' ) {
-                       $this->showDiff();
+                       try {
+                               $this->showDiff();
+                       } catch ( MWContentSerializationException $ex ) {
+                               $msg = wfMessage( 'content-failed-to-parse', $this->content_model, $this->content_format, $ex->getMessage() );
+                               $wgOut->addWikiText( '<div class="error">' . $msg->text() . '</div>');
+                       }
                }
        }
 
@@ -2375,24 +2552,34 @@ HTML
                        $oldtext = $this->mTitle->getDefaultMessageText();
                        if( $oldtext !== false ) {
                                $oldtitlemsg = 'defaultmessagetext';
+                               $oldContent = ContentHandler::makeContent( $oldtext, $this->mTitle );
+                       } else {
+                               $oldContent = null;
                        }
                } else {
-                       $oldtext = $this->mArticle->getRawText();
+                       $oldContent = $this->getOriginalContent();
                }
-               $newtext = $this->mArticle->replaceSection(
-                       $this->section, $this->textbox1, $this->summary, $this->edittime );
 
-               wfRunHooks( 'EditPageGetDiffText', array( $this, &$newtext ) );
+               $textboxContent = ContentHandler::makeContent( $this->textbox1, $this->getTitle(),
+                                                                                                               $this->content_model, $this->content_format );
+
+               $newContent = $this->mArticle->replaceSectionContent(
+                                                                                       $this->section, $textboxContent,
+                                                                                       $this->summary, $this->edittime );
+
+               ContentHandler::runLegacyHooks( 'EditPageGetDiffText', array( $this, &$newContent ) );
+               wfRunHooks( 'EditPageGetDiffContent', array( $this, &$newContent ) );
 
                $popts = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
-               $newtext = $wgParser->preSaveTransform( $newtext, $this->mTitle, $wgUser, $popts );
+               $newContent = $newContent->preSaveTransform( $this->mTitle, $wgUser, $popts );
 
-               if ( $oldtext !== false  || $newtext != '' ) {
+               if ( ( $oldContent && !$oldContent->isEmpty() ) || ( $newContent && !$newContent->isEmpty() ) ) {
                        $oldtitle = wfMessage( $oldtitlemsg )->parse();
                        $newtitle = wfMessage( 'yourtext' )->parse();
 
-                       $de = new DifferenceEngine( $this->mArticle->getContext() );
-                       $de->setText( $oldtext, $newtext );
+                       $de = $oldContent->getContentHandler()->createDifferenceEngine( $this->mArticle->getContext() );
+                       $de->setContent( $oldContent, $newContent );
+
                        $difftext = $de->getDiff( $oldtitle, $newtitle );
                        $de->showDiffStyle();
                } else {
@@ -2462,8 +2649,9 @@ HTML
                // Allow for site and per-namespace customization of contribution/copyright notice.
                wfRunHooks( 'EditPageCopyrightWarning', array( $title, &$copywarnMsg ) );
 
+               $msg = call_user_func_array( "wfMessage", $copywarnMsg );
                return "<div id=\"editpage-copywarn\">\n" .
-                       call_user_func_array( "wfMsgNoTrans", $copywarnMsg ) . "\n</div>";
+                       $msg->plain() . "\n</div>";
        }
 
        protected function showStandardInputs( &$tabindex = 2 ) {
@@ -2503,9 +2691,13 @@ HTML
                if ( wfRunHooks( 'EditPageBeforeConflictDiff', array( &$this, &$wgOut ) ) ) {
                        $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourdiff" );
 
-                       $de = new DifferenceEngine( $this->mArticle->getContext() );
-                       $de->setText( $this->textbox2, $this->textbox1 );
-                       $de->showDiff(
+                       $content1 = ContentHandler::makeContent( $this->textbox1, $this->getTitle(), $this->content_model, $this->content_format );
+                       $content2 = ContentHandler::makeContent( $this->textbox2, $this->getTitle(), $this->content_model, $this->content_format );
+
+                       $handler = ContentHandler::getForModelID( $this->content_model );
+                       $de = $handler->createDifferenceEngine( $this->mArticle->getContext() );
+                       $de->setContent( $content2, $content1 );
+                       $de->showDiff( 
                                wfMessage( 'yourtext' )->parse(),
                                wfMessage( 'storedversion' )->text()
                        );
@@ -2627,84 +2819,96 @@ HTML
                        return $parsedNote;
                }
 
-               if ( $this->mTriedSave && !$this->mTokenOk ) {
-                       if ( $this->mTokenOkExceptSuffix ) {
-                               $note = wfMessage( 'token_suffix_mismatch' )->plain();
-                       } else {
-                               $note = wfMessage( 'session_fail_preview' )->plain();
-                       }
-               } elseif ( $this->incompleteForm ) {
-                       $note = wfMessage( 'edit_form_incomplete' )->plain();
-               } else {
-                       $note = wfMessage( 'previewnote' )->plain() .
-                               ' [[#' . self::EDITFORM_ID . '|' . $wgLang->getArrow() . ' ' . wfMessage( 'continue-editing' )->text() . ']]';
-               }
+               $note = '';
 
-               $parserOptions = ParserOptions::newFromUser( $wgUser );
-               $parserOptions->setEditSection( false );
-               $parserOptions->setTidy( true );
-               $parserOptions->setIsPreview( true );
-               $parserOptions->setIsSectionPreview( !is_null( $this->section ) && $this->section !== '' );
-
-               # don't parse non-wikitext pages, show message about preview
-               if ( $this->mTitle->isCssJsSubpage() || !$this->mTitle->isWikitextPage() ) {
-                       if ( $this->mTitle->isCssJsSubpage() ) {
-                               $level = 'user';
-                       } elseif ( $this->mTitle->isCssOrJsPage() ) {
-                               $level = 'site';
-                       } else {
-                               $level = false;
-                       }
-
-                       # Used messages to make sure grep find them:
-                       # Messages: usercsspreview, userjspreview, sitecsspreview, sitejspreview
-                       $class = 'mw-code';
-                       if ( $level ) {
-                               if ( preg_match( "/\\.css$/", $this->mTitle->getText() ) ) {
-                                       $previewtext = "<div id='mw-{$level}csspreview'>\n" . wfMessage( "{$level}csspreview" )->text() . "\n</div>";
-                                       $class .= " mw-css";
-                               } elseif ( preg_match( "/\\.js$/", $this->mTitle->getText() ) ) {
-                                       $previewtext = "<div id='mw-{$level}jspreview'>\n" . wfMessage( "{$level}jspreview" )->text() . "\n</div>";
-                                       $class .= " mw-js";
+               try {
+                       $content = ContentHandler::makeContent( $this->textbox1, $this->getTitle(),
+                                                                                                       $this->content_model, $this->content_format );
+
+                       if ( $this->mTriedSave && !$this->mTokenOk ) {
+                               if ( $this->mTokenOkExceptSuffix ) {
+                                       $note = wfMessage( 'token_suffix_mismatch' )->plain() ;
                                } else {
-                                       throw new MWException( 'A CSS/JS (sub)page but which is not css nor js!' );
+                                       $note = wfMessage( 'session_fail_preview' )->plain() ;
                                }
-                               $parserOutput = $wgParser->parse( $previewtext, $this->mTitle, $parserOptions );
-                               $previewHTML = $parserOutput->getText();
+                       } elseif ( $this->incompleteForm ) {
+                               $note = wfMessage( 'edit_form_incomplete' )->plain() ;
                        } else {
-                               $previewHTML = '';
-                       }
+                               $note = wfMessage( 'previewnote' )->plain() .
+                                       ' [[#' . self::EDITFORM_ID . '|' . $wgLang->getArrow() . ' ' . wfMessage( 'continue-editing' )->text() . ']]';
+                       }
+
+                       $parserOptions = ParserOptions::newFromUser( $wgUser );
+                       $parserOptions->setEditSection( false );
+                       $parserOptions->setTidy( true );
+                       $parserOptions->setIsPreview( true );
+                       $parserOptions->setIsSectionPreview( !is_null($this->section) && $this->section !== '' );
+
+                       # don't parse non-wikitext pages, show message about preview
+                       if ( $this->mTitle->isCssJsSubpage() || $this->mTitle->isCssOrJsPage() ) {
+                               if( $this->mTitle->isCssJsSubpage() ) {
+                                       $level = 'user';
+                               } elseif( $this->mTitle->isCssOrJsPage() ) {
+                                       $level = 'site';
+                               } else {
+                                       $level = false;
+                               }
 
-                       $previewHTML .= "<pre class=\"$class\" dir=\"ltr\">\n" . htmlspecialchars( $this->textbox1 ) . "\n</pre>\n";
-               } else {
-                       $toparse = $this->textbox1;
+                               if ( $content->getModel() == CONTENT_MODEL_CSS ) {
+                                       $format = 'css';
+                               } elseif ( $content->getModel() == CONTENT_MODEL_JAVASCRIPT ) {
+                                       $format = 'js';
+                               } else {
+                                       $format = false;
+                               }
 
-                       # If we're adding a comment, we need to show the
-                       # summary as the headline
-                       if ( $this->section == "new" && $this->summary != "" ) {
-                               $toparse = wfMessage( 'newsectionheaderdefaultlevel', $this->summary )->inContentLanguage()->text() . "\n\n" . $toparse;
+                               # Used messages to make sure grep find them:
+                               # Messages: usercsspreview, userjspreview, sitecsspreview, sitejspreview
+                               if( $level && $format ) {
+                                       $note = "<div id='mw-{$level}{$format}preview'>" . wfMessage( "{$level}{$format}preview" )->text()  . "</div>";
+                               } else {
+                                       $note = wfMessage( 'previewnote' )->text() ;
+                               }
+                       } else {
+                               $note = wfMessage( 'previewnote' )->text() ;
                        }
 
-                       wfRunHooks( 'EditPageGetPreviewText', array( $this, &$toparse ) );
+                       $rt = $content->getRedirectChain();
 
-                       $parserOptions->enableLimitReport();
-
-                       $toparse = $wgParser->preSaveTransform( $toparse, $this->mTitle, $wgUser, $parserOptions );
-                       $parserOutput = $wgParser->parse( $toparse, $this->mTitle, $parserOptions );
-
-                       $rt = Title::newFromRedirectArray( $this->textbox1 );
                        if ( $rt ) {
                                $previewHTML = $this->mArticle->viewRedirect( $rt, false );
                        } else {
-                               $previewHTML = $parserOutput->getText();
-                       }
 
-                       $this->mParserOutput = $parserOutput;
-                       $wgOut->addParserOutputNoText( $parserOutput );
+                               # If we're adding a comment, we need to show the
+                               # summary as the headline
+                               if ( $this->section == "new" && $this->summary != "" ) {
+                                       $content = $content->addSectionHeader( $this->summary );
+                               }
+
+                               $hook_args = array( $this, &$content );
+                               ContentHandler::runLegacyHooks( 'EditPageGetPreviewText', $hook_args );
+                               wfRunHooks( 'EditPageGetPreviewContent', $hook_args );
+
+                               $parserOptions->enableLimitReport();
+
+                               # For CSS/JS pages, we should have called the ShowRawCssJs hook here.
+                               # But it's now deprecated, so never mind
 
-                       if ( count( $parserOutput->getWarnings() ) ) {
-                               $note .= "\n\n" . implode( "\n\n", $parserOutput->getWarnings() );
+                               $content = $content->preSaveTransform( $this->mTitle, $wgUser, $parserOptions );
+                               $parserOutput = $content->getParserOutput( $this->getArticle()->getTitle(), null, $parserOptions );
+
+                               $previewHTML = $parserOutput->getText();
+                               $this->mParserOutput = $parserOutput;
+                               $wgOut->addParserOutputNoText( $parserOutput );
+
+                               if ( count( $parserOutput->getWarnings() ) ) {
+                                       $note .= "\n\n" . implode( "\n\n", $parserOutput->getWarnings() );
+                               }
                        }
+               } catch (MWContentSerializationException $ex) {
+                       $m = wfMessage('content-failed-to-parse', $this->content_model, $this->content_format, $ex->getMessage() );
+                       $note .= "\n\n" . $m->parse();
+                       $previewHTML = '';
                }
 
                if ( $this->isConflict ) {
index f01fb23..f2b7e11 100644 (file)
@@ -63,7 +63,7 @@ class WikiExporter {
         * @return string
         */
        public static function schemaVersion() {
-               return "0.7";
+               return "0.7"; #FIXME: bump this when pushing ContentHandler additions.
        }
 
        /**
@@ -498,7 +498,7 @@ class XmlDumpWriter {
                        'xmlns'              => "http://www.mediawiki.org/xml/export-$ver/",
                        'xmlns:xsi'          => "http://www.w3.org/2001/XMLSchema-instance",
                        'xsi:schemaLocation' => "http://www.mediawiki.org/xml/export-$ver/ " .
-                                               "http://www.mediawiki.org/xml/export-$ver.xsd",
+                                               "http://www.mediawiki.org/xml/export-$ver.xsd", #TODO: how do we get a new version up there?
                        'version'            => $ver,
                        'xml:lang'           => $wgLanguageCode ),
                        null ) .
@@ -657,12 +657,6 @@ class XmlDumpWriter {
                        $out .= "      " . Xml::elementClean( 'comment', array(), strval( $row->rev_comment ) ) . "\n";
                }
 
-               if ( $row->rev_sha1 && !( $row->rev_deleted & Revision::DELETED_TEXT ) ) {
-                       $out .= "      " . Xml::element('sha1', null, strval( $row->rev_sha1 ) ) . "\n";
-               } else {
-                       $out .= "      <sha1/>\n";
-               }
-
                $text = '';
                if ( $row->rev_deleted & Revision::DELETED_TEXT ) {
                        $out .= "      " . Xml::element( 'text', array( 'deleted' => 'deleted' ) ) . "\n";
@@ -679,6 +673,34 @@ class XmlDumpWriter {
                                "" ) . "\n";
                }
 
+               if ( $row->rev_sha1 && !( $row->rev_deleted & Revision::DELETED_TEXT ) ) {
+                       $out .= "      " . Xml::element('sha1', null, strval( $row->rev_sha1 ) ) . "\n";
+               } else {
+                       $out .= "      <sha1/>\n";
+               }
+
+               if ( isset( $row->rev_content_model ) && !is_null( $row->rev_content_model )  ) {
+                       $content_model = strval( $row->rev_content_model );
+               } else {
+                       // probably using $wgContentHandlerUseDB = false;
+                       // @todo: test!
+                       $title = Title::makeTitle( $row->page_namespace, $row->page_title );
+                       $content_model = ContentHandler::getDefaultModelFor( $title );
+               }
+
+               $out .= "      " . Xml::element('model', null, strval( $content_model ) ) . "\n";
+
+               if ( isset( $row->rev_content_format ) && !is_null( $row->rev_content_format ) ) {
+                       $content_format = strval( $row->rev_content_format );
+               } else {
+                       // probably using $wgContentHandlerUseDB = false;
+                       // @todo: test!
+                       $content_handler = ContentHandler::getForModelID( $content_model );
+                       $content_format = $content_handler->getDefaultFormat();
+               }
+
+               $out .= "      " . Xml::element('format', null, strval( $content_format ) ) . "\n";
+
                wfRunHooks( 'XmlDumpWriterWriteRevision', array( &$this, &$out, $row, $text ) );
 
                $out .= "    </revision>\n";
index 11b2675..242f65c 100644 (file)
@@ -138,13 +138,23 @@ class FeedUtils {
                        $diffText = '';
                        // Don't bother generating the diff if we won't be able to show it
                        if ( $wgFeedDiffCutoff > 0 ) {
-                               $de = new DifferenceEngine( $title, $oldid, $newid );
-                               $diffText = $de->getDiff(
-                                       wfMessage( 'previousrevision' )->text(), // hack
-                                       wfMessage( 'revisionasof',
-                                       $wgLang->timeanddate( $timestamp ),
-                                       $wgLang->date( $timestamp ),
-                                       $wgLang->time( $timestamp ) )->text() );
+                               $rev = Revision::newFromId( $oldid );
+
+                               if ( !$rev ) {
+                                       $diffText = false;
+                               } else {
+                                       $context = clone RequestContext::getMain();
+                                       $context->setTitle( $title );
+
+                                       $contentHandler = $rev->getContentHandler();
+                                       $de = $contentHandler->createDifferenceEngine( $context, $oldid, $newid );
+                                       $diffText = $de->getDiff(
+                                               wfMessage( 'previousrevision' )->text(), // hack
+                                               wfMessage( 'revisionasof',
+                                                       $wgLang->timeanddate( $timestamp ),
+                                                       $wgLang->date( $timestamp ),
+                                                       $wgLang->time( $timestamp ) )->text() );
+                               }
                        }
 
                        if ( $wgFeedDiffCutoff <= 0 || ( strlen( $diffText ) > $wgFeedDiffCutoff ) ) {
index 4ff258d..8667b67 100644 (file)
@@ -391,7 +391,7 @@ function wfArrayToCgi( $array1, $array2 = null, $prefix = '' ) {
 
        $cgi = '';
        foreach ( $array1 as $key => $value ) {
-               if ( !is_null($value) && $value !== false ) {
+               if ( $value !== false ) {
                        if ( $cgi != '' ) {
                                $cgi .= '&';
                        }
@@ -412,8 +412,11 @@ function wfArrayToCgi( $array1, $array2 = null, $prefix = '' ) {
                        } else {
                                if ( is_object( $value ) ) {
                                        $value = $value->__toString();
+                               } elseif( !is_null( $value ) ) {
+                                       $cgi .= urlencode( $key ) . '=' . urlencode( $value );
+                               } else {
+                                       $cgi .= urlencode( $key );
                                }
-                               $cgi .= urlencode( $key ) . '=' . urlencode( $value );
                        }
                }
        }
@@ -440,14 +443,15 @@ function wfCgiToArray( $query ) {
                        continue;
                }
                if ( strpos( $bit, '=' ) === false ) {
-                       // Pieces like &qwerty become 'qwerty' => '' (at least this is what php does)
-                       $key = $bit;
-                       $value = '';
+                       // Pieces like &qwerty become 'qwerty' => null
+                       $key = urldecode( $bit );
+                       $value = null;
                } else {
                        list( $key, $value ) = explode( '=', $bit );
+                       $key = urldecode( $key );
+                       $value = urldecode( $value );
                }
-               $key = urldecode( $key );
-               $value = urldecode( $value );
+
                if ( strpos( $key, '[' ) !== false ) {
                        $keys = array_reverse( explode( '[', $key ) );
                        $key = array_pop( $keys );
@@ -472,23 +476,15 @@ function wfCgiToArray( $query ) {
  * Append a query string to an existing URL, which may or may not already
  * have query string parameters already. If so, they will be combined.
  *
+ * @deprecated in 1.20. Use Uri class.
  * @param $url String
  * @param $query Mixed: string or associative array
  * @return string
  */
 function wfAppendQuery( $url, $query ) {
-       if ( is_array( $query ) ) {
-               $query = wfArrayToCgi( $query );
-       }
-       if( $query != '' ) {
-               if( false === strpos( $url, '?' ) ) {
-                       $url .= '?';
-               } else {
-                       $url .= '&';
-               }
-               $url .= $query;
-       }
-       return $url;
+       $obj = new Uri( $url );
+       $obj->extendQuery( $query );
+       return $obj->toString();
 }
 
 /**
@@ -576,49 +572,13 @@ function wfExpandUrl( $url, $defaultProto = PROTO_CURRENT ) {
  * @todo Need to integrate this into wfExpandUrl (bug 32168)
  *
  * @since 1.19
+ * @deprecated
  * @param $urlParts Array URL parts, as output from wfParseUrl
  * @return string URL assembled from its component parts
  */
 function wfAssembleUrl( $urlParts ) {
-       $result = '';
-
-       if ( isset( $urlParts['delimiter'] ) ) {
-               if ( isset( $urlParts['scheme'] ) ) {
-                       $result .= $urlParts['scheme'];
-               }
-
-               $result .= $urlParts['delimiter'];
-       }
-
-       if ( isset( $urlParts['host'] ) ) {
-               if ( isset( $urlParts['user'] ) ) {
-                       $result .= $urlParts['user'];
-                       if ( isset( $urlParts['pass'] ) ) {
-                               $result .= ':' . $urlParts['pass'];
-                       }
-                       $result .= '@';
-               }
-
-               $result .= $urlParts['host'];
-
-               if ( isset( $urlParts['port'] ) ) {
-                       $result .= ':' . $urlParts['port'];
-               }
-       }
-
-       if ( isset( $urlParts['path'] ) ) {
-               $result .= $urlParts['path'];
-       }
-
-       if ( isset( $urlParts['query'] ) ) {
-               $result .= '?' . $urlParts['query'];
-       }
-
-       if ( isset( $urlParts['fragment'] ) ) {
-               $result .= '#' . $urlParts['fragment'];
-       }
-
-       return $result;
+       $obj = new Uri( $urlParts );
+       return $obj->toString();
 }
 
 /**
@@ -765,58 +725,13 @@ function wfUrlProtocolsWithoutProtRel() {
  * 2) Handles protocols that don't use :// (e.g., mailto: and news: , as well as protocol-relative URLs) correctly
  * 3) Adds a "delimiter" element to the array, either '://', ':' or '//' (see (2))
  *
+ * @deprecated
  * @param $url String: a URL to parse
  * @return Array: bits of the URL in an associative array, per PHP docs
  */
 function wfParseUrl( $url ) {
-       global $wgUrlProtocols; // Allow all protocols defined in DefaultSettings/LocalSettings.php
-
-       // Protocol-relative URLs are handled really badly by parse_url(). It's so bad that the easiest
-       // way to handle them is to just prepend 'http:' and strip the protocol out later
-       $wasRelative = substr( $url, 0, 2 ) == '//';
-       if ( $wasRelative ) {
-               $url = "http:$url";
-       }
-       wfSuppressWarnings();
-       $bits = parse_url( $url );
-       wfRestoreWarnings();
-       // parse_url() returns an array without scheme for some invalid URLs, e.g.
-       // parse_url("%0Ahttp://example.com") == array( 'host' => '%0Ahttp', 'path' => 'example.com' )
-       if ( !$bits || !isset( $bits['scheme'] ) ) {
-               return false;
-       }
-
-       // most of the protocols are followed by ://, but mailto: and sometimes news: not, check for it
-       if ( in_array( $bits['scheme'] . '://', $wgUrlProtocols ) ) {
-               $bits['delimiter'] = '://';
-       } elseif ( in_array( $bits['scheme'] . ':', $wgUrlProtocols ) ) {
-               $bits['delimiter'] = ':';
-               // parse_url detects for news: and mailto: the host part of an url as path
-               // We have to correct this wrong detection
-               if ( isset( $bits['path'] ) ) {
-                       $bits['host'] = $bits['path'];
-                       $bits['path'] = '';
-               }
-       } else {
-               return false;
-       }
-
-       /* Provide an empty host for eg. file:/// urls (see bug 28627) */
-       if ( !isset( $bits['host'] ) ) {
-               $bits['host'] = '';
-
-               /* parse_url loses the third / for file:///c:/ urls (but not on variants) */
-               if ( substr( $bits['path'], 0, 1 ) !== '/' ) {
-                       $bits['path'] = '/' . $bits['path'];
-               }
-       }
-
-       // If the URL was protocol-relative, fix scheme and delimiter
-       if ( $wasRelative ) {
-               $bits['scheme'] = '';
-               $bits['delimiter'] = '//';
-       }
-       return $bits;
+       $obj = new Uri( $url );
+       return $obj->getComponents();
 }
 
 /**
@@ -1061,6 +976,7 @@ function wfLogDBError( $text ) {
                } else {
                        $d = date_create( "now", $logDBErrorTimeZoneObject );
                }
+               $date = $d->format( 'D M j G:i:s T Y' );
 
                $date = $d->format( 'D M j G:i:s T Y' );
 
index fdc2061..14ddd27 100644 (file)
@@ -194,7 +194,9 @@ class ImagePage extends Article {
                        $out->addHTML( Xml::openElement( 'div', array( 'id' => 'mw-imagepage-content',
                                'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
                                'class' => 'mw-content-'.$pageLang->getDir() ) ) );
+
                        parent::view();
+
                        $out->addHTML( Xml::closeElement( 'div' ) );
                } else {
                        # Just need to set the right headers
@@ -309,18 +311,18 @@ class ImagePage extends Article {
        }
 
        /**
-        * Overloading Article's getContent method.
+        * Overloading Article's getContentObject method.
         *
         * Omit noarticletext if sharedupload; text will be fetched from the
         * shared upload server if possible.
         * @return string
         */
-       public function getContent() {
+       public function getContentObject() {
                $this->loadFile();
                if ( $this->mPage->getFile() && !$this->mPage->getFile()->isLocal() && 0 == $this->getID() ) {
-                       return '';
+                       return null;
                }
-               return parent::getContent();
+               return parent::getContentObject();
        }
 
        protected function openShowImage() {
index 11f3795..5f59b1c 100644 (file)
@@ -611,7 +611,7 @@ class WikiImporter {
                $this->debug( "Enter revision handler" );
                $revisionInfo = array();
 
-               $normalFields = array( 'id', 'timestamp', 'comment', 'minor', 'text' );
+               $normalFields = array( 'id', 'timestamp', 'comment', 'minor', 'model', 'format', 'text' );
 
                $skip = false;
 
@@ -656,6 +656,12 @@ class WikiImporter {
                if ( isset( $revisionInfo['text'] ) ) {
                        $revision->setText( $revisionInfo['text'] );
                }
+               if ( isset( $revisionInfo['model'] ) ) {
+                       $revision->setModel( $revisionInfo['model'] );
+               }
+               if ( isset( $revisionInfo['text'] ) ) {
+                       $revision->setFormat( $revisionInfo['format'] );
+               }
                $revision->setTitle( $pageInfo['_title'] );
 
                if ( isset( $revisionInfo['timestamp'] ) ) {
@@ -1008,6 +1014,8 @@ class WikiRevision {
        var $timestamp = "20010115000000";
        var $user = 0;
        var $user_text = "";
+       var $model = null;
+       var $format = null;
        var $text = "";
        var $comment = "";
        var $minor = false;
@@ -1064,6 +1072,20 @@ class WikiRevision {
                $this->user_text = $ip;
        }
 
+       /**
+        * @param $model
+        */
+       function setModel( $model ) {
+               $this->model = $model;
+       }
+
+       /**
+        * @param $format
+        */
+       function setFormat( $format ) {
+               $this->format = $format;
+       }
+
        /**
         * @param $text
         */
@@ -1192,6 +1214,28 @@ class WikiRevision {
                return $this->text;
        }
 
+       /**
+        * @return String
+        */
+       function getModel() {
+               if ( is_null( $this->model ) ) {
+                       $this->model = $this->getTitle()->getContentModel();
+               }
+
+               return $this->model;
+       }
+
+       /**
+        * @return String
+        */
+       function getFormat() {
+               if ( is_null( $this->model ) ) {
+                       $this->format = ContentHandler::getForTitle( $this->getTitle() )->getDefaultFormat();
+               }
+
+               return $this->format;
+       }
+
        /**
         * @return string
         */
@@ -1331,6 +1375,8 @@ class WikiRevision {
                # Insert the row
                $revision = new Revision( array(
                        'page'       => $pageId,
+                       'content_model'  => $this->getModel(),
+                       'content_format' => $this->getFormat(),
                        'text'       => $this->getText(),
                        'comment'    => $this->getComment(),
                        'user'       => $userId,
index 214f495..b19f6c4 100644 (file)
 class LinkFilter {
 
        /**
-        * Check whether $text contains a link to $filterEntry
+        * Check whether $content contains a link to $filterEntry
         *
-        * @param $text String: text to check
+        * @param $content Content: content to check
         * @param $filterEntry String: domainparts, see makeRegex() for more details
         * @return Integer: 0 if no match or 1 if there's at least one match
         */
-       static function matchEntry( $text, $filterEntry ) {
+       static function matchEntry( Content $content, $filterEntry ) {
+               if ( !( $content instanceof TextContent ) ) {
+                       //TODO: handle other types of content too.
+                       //      Maybe create ContentHandler::matchFilter( LinkFilter ).
+                       //      Think about a common base class for LinkFilter and MagicWord.
+                       return 0;
+               }
+
+               $text = $content->getNativeData();
+
                $regex = LinkFilter::makeRegex( $filterEntry );
                return preg_match( $regex, $text );
        }
index 1d0bcf7..0bdffea 100644 (file)
@@ -39,8 +39,6 @@ class LinksUpdate extends SqlDataUpdate {
                $mCategories,    //!< Map of category names to sort keys
                $mInterlangs,    //!< Map of language codes to titles
                $mProperties,    //!< Map of arbitrary name to value
-               $mDb,            //!< Database connection reference
-               $mOptions,       //!< SELECT options to be used (array)
                $mRecursive;     //!< Whether to queue jobs for recursive updates
 
        /**
@@ -71,6 +69,7 @@ class LinksUpdate extends SqlDataUpdate {
                }
 
                $this->mParserOutput = $parserOutput;
+
                $this->mLinks = $parserOutput->getLinks();
                $this->mImages = $parserOutput->getImages();
                $this->mTemplates = $parserOutput->getTemplates();
@@ -817,25 +816,29 @@ class LinksUpdate extends SqlDataUpdate {
  **/
 class LinksDeletionUpdate extends SqlDataUpdate {
 
-       protected $mPage;     //!< WikiPage the wikipage that was deleted
+       protected $mTitle;     //!< Title the title of page that was deleted
 
        /**
         * Constructor
         *
         * @param $page WikiPage Page we are updating
         */
-       function __construct( WikiPage $page ) {
+       function __construct( Title $title ) {
                parent::__construct( );
 
-               $this->mPage = $page;
+               $this->mTitle = $title;
+
+               if ( !$title->getArticleID() ) {
+                       throw new MWException( "The Title object did not provide an article ID. Perhaps the page doesn't exist?" );
+               }
        }
 
        /**
         * Do some database updates after deletion
         */
        public function doUpdate() {
-               $title = $this->mPage->getTitle();
-               $id = $this->mPage->getId();
+               $title = $this->mTitle;
+               $id = $title->getArticleID();
 
                # Delete restrictions for it
                $this->mDb->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__ );
@@ -848,7 +851,7 @@ class LinksDeletionUpdate extends SqlDataUpdate {
                        $cats [] = $row->cl_to;
                }
 
-               $this->mPage->updateCategoryCounts( array(), $cats );
+               $this->updateCategoryCounts( array(), $cats );
 
                # If using cascading deletes, we can skip some explicit deletes
                if ( !$this->mDb->cascadingDeletes() ) {
@@ -879,4 +882,16 @@ class LinksDeletionUpdate extends SqlDataUpdate {
                                __METHOD__ );
                }
        }
+
+       /**
+        * Update all the appropriate counts in the category table.
+        * @param $added array associative array of category name => sort key
+        * @param $deleted array associative array of category name => sort key
+        */
+       function updateCategoryCounts( $added, $deleted ) {
+               $a = WikiPage::factory( $this->mTitle );
+               $a->updateCategoryCounts(
+                       array_keys( $added ), array_keys( $deleted )
+               );
+       }
 }
index 776a52f..1e60bae 100644 (file)
@@ -202,6 +202,11 @@ class Message {
         */
        protected $title = null;
 
+       /**
+        * Content object representing the message
+        */
+       protected $content = null;
+
        /**
         * @var string
         */
@@ -404,6 +409,18 @@ class Message {
                return $this;
        }
 
+       /**
+        * Returns the message as a Content object.
+        * @return Content
+        */
+       public function content() {
+               if ( !$this->content ) {
+                       $this->content = new MessageContent( $this->key );
+               }
+
+               return $this->content;
+       }
+
        /**
         * Returns the message parsed from wikitext to HTML.
         * @since 1.17
index 2e2b8d6..866e468 100644 (file)
@@ -209,12 +209,14 @@ class MWNamespace {
         * Returns array of all defined namespaces with their canonical
         * (English) names.
         *
+        * @param bool $rebuild rebuild namespace list (default = false). Used for testing.
+        *
         * @return array
         * @since 1.17
         */
-       public static function getCanonicalNamespaces() {
+       public static function getCanonicalNamespaces( $rebuild = false ) {
                static $namespaces = null;
-               if ( $namespaces === null ) {
+               if ( $namespaces === null || $rebuild ) {
                        global $wgExtraNamespaces, $wgCanonicalNamespaceNames;
                        $namespaces = array( NS_MAIN => '' ) + $wgCanonicalNamespaceNames;
                        if ( is_array( $wgExtraNamespaces ) ) {
index bc9eaa9..192e0cd 100644 (file)
@@ -1991,7 +1991,11 @@ class OutputPage extends ContextSource {
                }
 
                $this->sendCacheControl();
+
+               wfRunHooks( 'AfterFinalPageOutput', array( &$this ) );
+
                ob_end_flush();
+
                wfProfileOut( __METHOD__ );
        }
 
index 9da031e..1a6a76e 100644 (file)
@@ -40,6 +40,10 @@ class Revision implements IDBAccessObject {
        protected $mTextRow;
        protected $mTitle;
        protected $mCurrent;
+       protected $mContentModel;
+       protected $mContentFormat;
+       protected $mContent;
+       protected $mContentHandler;
 
        // Revision deletion constants
        const DELETED_TEXT = 1;
@@ -138,6 +142,8 @@ class Revision implements IDBAccessObject {
         * @return Revision
         */
        public static function newFromArchiveRow( $row, $overrides = array() ) {
+               global $wgContentHandlerUseDB;
+
                $attribs = $overrides + array(
                        'page'       => isset( $row->ar_page_id ) ? $row->ar_page_id : null,
                        'id'         => isset( $row->ar_rev_id ) ? $row->ar_rev_id : null,
@@ -150,7 +156,15 @@ class Revision implements IDBAccessObject {
                        'deleted'    => $row->ar_deleted,
                        'len'        => $row->ar_len,
                        'sha1'       => isset( $row->ar_sha1 ) ? $row->ar_sha1 : null,
+                       'content_model' => isset( $row->ar_content_model ) ? $row->ar_content_model : null,
+                       'content_format'  => isset( $row->ar_content_format ) ? $row->ar_content_format : null,
                );
+
+               if ( !$wgContentHandlerUseDB ) {
+                       unset( $attribs['content_model'] );
+                       unset( $attribs['content_format'] );
+               }
+
                if ( isset( $row->ar_text ) && !$row->ar_text_id ) {
                        // Pre-1.5 ar_text row
                        $attribs['text'] = self::getRevisionText( $row, 'ar_' );
@@ -358,7 +372,9 @@ class Revision implements IDBAccessObject {
         * @return array
         */
        public static function selectFields() {
-               return array(
+               global $wgContentHandlerUseDB;
+
+               $fields = array(
                        'rev_id',
                        'rev_page',
                        'rev_text_id',
@@ -370,8 +386,15 @@ class Revision implements IDBAccessObject {
                        'rev_deleted',
                        'rev_len',
                        'rev_parent_id',
-                       'rev_sha1'
+                       'rev_sha1',
                );
+
+               if ( $wgContentHandlerUseDB ) {
+                       $fields[] = 'rev_content_format';
+                       $fields[] = 'rev_content_model';
+               }
+
+               return $fields;
        }
 
        /**
@@ -475,6 +498,18 @@ class Revision implements IDBAccessObject {
                                $this->mTitle = null;
                        }
 
+                       if( !isset( $row->rev_content_model ) || is_null( $row->rev_content_model ) ) {
+                               $this->mContentModel = null; # determine on demand if needed
+                       } else {
+                               $this->mContentModel = strval( $row->rev_content_model );
+                       }
+
+                       if( !isset( $row->rev_content_format ) || is_null( $row->rev_content_format ) ) {
+                               $this->mContentFormat = null; # determine on demand if needed
+                       } else {
+                               $this->mContentFormat = strval( $row->rev_content_format );
+                       }
+
                        // Lazy extraction...
                        $this->mText      = null;
                        if( isset( $row->old_text ) ) {
@@ -496,6 +531,21 @@ class Revision implements IDBAccessObject {
                        // Build a new revision to be saved...
                        global $wgUser; // ugh
 
+
+                       # if we have a content object, use it to set the model and type
+                       if ( !empty( $row['content'] ) ) {
+                               //@todo: when is that set? test with external store setup! check out insertOn() [dk]
+                               if ( !empty( $row['text_id'] ) ) {
+                                       throw new MWException( "Text already stored in external store (id {$row['text_id']}), "
+                                                                                       . "can't serialize content object" );
+                               }
+
+                               $row['content_model'] = $row['content']->getModel();
+                               # note: mContentFormat is initializes later accordingly
+                               # note: content is serialized later in this method!
+                               # also set text to null?
+                       }
+
                        $this->mId        = isset( $row['id']         ) ? intval( $row['id']         ) : null;
                        $this->mPage      = isset( $row['page']       ) ? intval( $row['page']       ) : null;
                        $this->mTextId    = isset( $row['text_id']    ) ? intval( $row['text_id']    ) : null;
@@ -508,21 +558,59 @@ class Revision implements IDBAccessObject {
                        $this->mParentId  = isset( $row['parent_id']  ) ? intval( $row['parent_id']  ) : null;
                        $this->mSha1      = isset( $row['sha1']  )      ? strval( $row['sha1']  )      : null;
 
+                       $this->mContentModel = isset( $row['content_model']  )  ? strval( $row['content_model'] )  : null;
+                       $this->mContentFormat    = isset( $row['content_format']  ) ? strval( $row['content_format'] ) : null;
+
                        // Enforce spacing trimming on supplied text
                        $this->mComment   = isset( $row['comment']    ) ?  trim( strval( $row['comment'] ) ) : null;
                        $this->mText      = isset( $row['text']       ) ? rtrim( strval( $row['text']    ) ) : null;
                        $this->mTextRow   = null;
 
-                       $this->mTitle     = null; # Load on demand if needed
+                       $this->mTitle     = isset( $row['title']      ) ? $row['title'] : null;
+
+                       // if we have a Content object, override mText and mContentModel
+                       if ( !empty( $row['content'] ) ) {
+                               $handler = $this->getContentHandler();
+                               $this->mContent = $row['content'];
+
+                               $this->mContentModel = $this->mContent->getModel();
+                               $this->mContentHandler = null;
+
+                               $this->mText = $handler->serializeContent( $row['content'], $this->getContentFormat() );
+                       } elseif ( !is_null( $this->mText ) ) {
+                               $handler = $this->getContentHandler();
+                               $this->mContent = $handler->unserializeContent( $this->mText );
+                       }
+
+                       // if we have a Title object, override mPage. Useful for testing and convenience.
+                       if ( isset( $row['title'] ) ) {
+                               $this->mTitle     = $row['title'];
+                               $this->mPage      = $this->mTitle->getArticleID();
+                       } else {
+                               $this->mTitle     = null; // Load on demand if needed
+                       }
+
+                       // @todo: XXX: really? we are about to create a revision. it will usually then be the current one.
                        $this->mCurrent   = false;
-                       # If we still have no length, see it we have the text to figure it out
+
+                       // If we still have no length, see it we have the text to figure it out
                        if ( !$this->mSize ) {
-                               $this->mSize = is_null( $this->mText ) ? null : strlen( $this->mText );
+                               if ( !is_null( $this->mContent ) ) {
+                                       $this->mSize = $this->mContent->getSize();
+                               } else {
+                                       #NOTE: this should never happen if we have either text or content object!
+                                       $this->mSize = null;
+                               }
                        }
-                       # Same for sha1
+
+                       // Same for sha1
                        if ( $this->mSha1 === null ) {
                                $this->mSha1 = is_null( $this->mText ) ? null : self::base36Sha1( $this->mText );
                        }
+
+                       // force lazy init
+                       $this->getContentModel();
+                       $this->getContentFormat();
                } else {
                        throw new MWException( 'Revision constructor passed invalid row format.' );
                }
@@ -595,7 +683,7 @@ class Revision implements IDBAccessObject {
                if( isset( $this->mTitle ) ) {
                        return $this->mTitle;
                }
-               if( !is_null( $this->mId ) ) { //rev_id is defined as NOT NULL
+               if( !is_null( $this->mId ) ) { //rev_id is defined as NOT NULL, but this revision may not yet have been inserted.
                        $dbr = wfGetDB( DB_SLAVE );
                        $row = $dbr->selectRow(
                                array( 'page', 'revision' ),
@@ -607,6 +695,11 @@ class Revision implements IDBAccessObject {
                                $this->mTitle = Title::newFromRow( $row );
                        }
                }
+
+               if ( !$this->mTitle && !is_null( $this->mPage ) && $this->mPage > 0 ) {
+                       $this->mTitle = Title::newFromID( $this->mPage );
+               }
+
                return $this->mTitle;
        }
 
@@ -789,15 +882,39 @@ class Revision implements IDBAccessObject {
         *      Revision::RAW              get the text regardless of permissions
         * @param $user User object to check for, only if FOR_THIS_USER is passed
         *              to the $audience parameter
+        *
+        * @deprecated in 1.WD, use getContent() instead
+        * @todo: replace usage in core
         * @return String
         */
        public function getText( $audience = self::FOR_PUBLIC, User $user = null ) {
+               wfDeprecated( __METHOD__, '1.WD' );
+
+               $content = $this->getContent( $audience, $user );
+               return ContentHandler::getContentText( $content ); # returns the raw content text, if applicable
+       }
+
+       /**
+        * Fetch revision content if it's available to the specified audience.
+        * If the specified audience does not have the ability to view this
+        * revision, null will be returned.
+        *
+        * @param $audience Integer: one of:
+        *      Revision::FOR_PUBLIC       to be displayed to all users
+        *      Revision::FOR_THIS_USER    to be displayed to $wgUser
+        *      Revision::RAW              get the text regardless of permissions
+        * @param $user User object to check for, only if FOR_THIS_USER is passed
+        *              to the $audience parameter
+        * @since 1.WD
+        * @return Content
+        */
+       public function getContent( $audience = self::FOR_PUBLIC, User $user = null ) {
                if( $audience == self::FOR_PUBLIC && $this->isDeleted( self::DELETED_TEXT ) ) {
-                       return '';
+                       return null;
                } elseif( $audience == self::FOR_THIS_USER && !$this->userCan( self::DELETED_TEXT, $user ) ) {
-                       return '';
+                       return null;
                } else {
-                       return $this->getRawText();
+                       return $this->getContentInternal();
                }
        }
 
@@ -816,15 +933,110 @@ class Revision implements IDBAccessObject {
         * Fetch revision text without regard for view restrictions
         *
         * @return String
+        *
+        * @deprecated since 1.WD. Instead, use Revision::getContent( Revision::RAW )
+        *                         or Revision::getSerializedData() as appropriate.
         */
        public function getRawText() {
-               if( is_null( $this->mText ) ) {
-                       // Revision text is immutable. Load on demand:
-                       $this->mText = $this->loadText();
-               }
+               wfDeprecated( __METHOD__, "1.WD" );
+
+               return $this->getText( self::RAW );
+       }
+
+       /**
+        * Fetch original serialized data without regard for view restrictions
+        *
+        * @since 1.WD
+        * @return String
+        */
+       public function getSerializedData() {
                return $this->mText;
        }
 
+       /**
+        * Gets the content object for the revision
+        *
+        * @since 1.WD
+        * @return Content
+        */
+       protected function getContentInternal() {
+               if( is_null( $this->mContent ) ) {
+                       // Revision is immutable. Load on demand:
+
+                       $handler = $this->getContentHandler();
+                       $format = $this->getContentFormat();
+                       $title = $this->getTitle();
+
+                       if( is_null( $this->mText ) ) {
+                               // Load text on demand:
+                               $this->mText = $this->loadText();
+                       }
+
+                       $this->mContent = is_null( $this->mText ) ? null : $handler->unserializeContent( $this->mText, $format );
+               }
+
+               return $this->mContent->copy(); // NOTE: copy() will return $this for immutable content objects
+       }
+
+       /**
+        * Returns the content model for this revision.
+        *
+        * If no content model was stored in the database, $this->getTitle()->getContentModel() is
+        * used to determine the content model to use. If no title is know, CONTENT_MODEL_WIKITEXT
+        * is used as a last resort.
+        *
+        * @return String the content model id associated with this revision, see the CONTENT_MODEL_XXX constants.
+        **/
+       public function getContentModel() {
+               if ( !$this->mContentModel ) {
+                       $title = $this->getTitle();
+                       $this->mContentModel = ( $title ? $title->getContentModel() : CONTENT_MODEL_WIKITEXT );
+
+                       assert( !empty( $this->mContentModel ) );
+               }
+
+               return $this->mContentModel;
+       }
+
+       /**
+        * Returns the content format for this revision.
+        *
+        * If no content format was stored in the database, the default format for this
+        * revision's content model is returned.
+        *
+        * @return String the content format id associated with this revision, see the CONTENT_FORMAT_XXX constants.
+        **/
+       public function getContentFormat() {
+               if ( !$this->mContentFormat ) {
+                       $handler = $this->getContentHandler();
+                       $this->mContentFormat = $handler->getDefaultFormat();
+
+                       assert( !empty( $this->mContentFormat ) );
+               }
+
+               return $this->mContentFormat;
+       }
+
+       /**
+        * Returns the content handler appropriate for this revision's content model.
+        *
+        * @return ContentHandler
+        */
+       public function getContentHandler() {
+               if ( !$this->mContentHandler ) {
+                       $model = $this->getContentModel();
+                       $this->mContentHandler = ContentHandler::getForModelID( $model );
+
+                       $format = $this->getContentFormat();
+
+                       if ( !$this->mContentHandler->isSupportedFormat( $format ) ) {
+                               throw new MWException( "Oops, the content format $format is not supported for this content model, $model" );
+                       }
+               }
+
+               return $this->mContentHandler;
+       }
+
        /**
         * @return String
         */
@@ -1007,10 +1219,12 @@ class Revision implements IDBAccessObject {
         * @return Integer
         */
        public function insertOn( $dbw ) {
-               global $wgDefaultExternalStore;
+               global $wgDefaultExternalStore, $wgContentHandlerUseDB;
 
                wfProfileIn( __METHOD__ );
 
+               $this->checkContentModel();
+
                $data = $this->mText;
                $flags = self::compressRevisionText( $data );
 
@@ -1046,27 +1260,41 @@ class Revision implements IDBAccessObject {
                $rev_id = isset( $this->mId )
                        ? $this->mId
                        : $dbw->nextSequenceValue( 'revision_rev_id_seq' );
-               $dbw->insert( 'revision',
-                       array(
-                               'rev_id'         => $rev_id,
-                               'rev_page'       => $this->mPage,
-                               'rev_text_id'    => $this->mTextId,
-                               'rev_comment'    => $this->mComment,
-                               'rev_minor_edit' => $this->mMinorEdit ? 1 : 0,
-                               'rev_user'       => $this->mUser,
-                               'rev_user_text'  => $this->mUserText,
-                               'rev_timestamp'  => $dbw->timestamp( $this->mTimestamp ),
-                               'rev_deleted'    => $this->mDeleted,
-                               'rev_len'        => $this->mSize,
-                               'rev_parent_id'  => is_null( $this->mParentId )
-                                       ? $this->getPreviousRevisionId( $dbw )
-                                       : $this->mParentId,
-                               'rev_sha1'       => is_null( $this->mSha1 )
-                                       ? self::base36Sha1( $this->mText )
-                                       : $this->mSha1
-                       ), __METHOD__
+               $row = array(
+                       'rev_id'         => $rev_id,
+                       'rev_page'       => $this->mPage,
+                       'rev_text_id'    => $this->mTextId,
+                       'rev_comment'    => $this->mComment,
+                       'rev_minor_edit' => $this->mMinorEdit ? 1 : 0,
+                       'rev_user'       => $this->mUser,
+                       'rev_user_text'  => $this->mUserText,
+                       'rev_timestamp'  => $dbw->timestamp( $this->mTimestamp ),
+                       'rev_deleted'    => $this->mDeleted,
+                       'rev_len'        => $this->mSize,
+                       'rev_parent_id'  => is_null( $this->mParentId )
+                               ? $this->getPreviousRevisionId( $dbw )
+                               : $this->mParentId,
+                       'rev_sha1'       => is_null( $this->mSha1 )
+                               ? Revision::base36Sha1( $this->mText )
+                               : $this->mSha1,
                );
 
+               if ( $wgContentHandlerUseDB ) {
+                       //NOTE: Store null for the default model and format, to save space.
+                       //XXX: Makes the DB sensitive to changed defaults. Make this behaviour optional? Only in miser mode?
+
+                       $model = $this->getContentModel();
+                       $format = $this->getContentFormat();
+
+                       $defaultModel = ContentHandler::getDefaultModelFor( $this->getTitle() );
+                       $defaultFormat = ContentHandler::getForModelID( $defaultModel )->getDefaultFormat();
+
+                       $row[ 'rev_content_model' ] = ( $model === $defaultModel ) ? null : $model;
+                       $row[ 'rev_content_format' ] = ( $format === $defaultFormat ) ? null : $format;
+               }
+
+               $dbw->insert( 'revision', $row, __METHOD__ );
+
                $this->mId = !is_null( $rev_id ) ? $rev_id : $dbw->insertId();
 
                wfRunHooks( 'RevisionInsertComplete', array( &$this, $data, $flags ) );
@@ -1075,6 +1303,52 @@ class Revision implements IDBAccessObject {
                return $this->mId;
        }
 
+       protected function checkContentModel() {
+               global $wgContentHandlerUseDB;
+
+               $title = $this->getTitle(); //note: may return null for revisions that have not yet been inserted.
+
+               $model = $this->getContentModel();
+               $format = $this->getContentFormat();
+               $handler = $this->getContentHandler();
+
+               if ( !$handler->isSupportedFormat( $format ) ) {
+                       $t = $title->getPrefixedDBkey();
+
+                       throw new MWException( "Can't use format $format with content model $model on $t" );
+               }
+
+               if ( !$wgContentHandlerUseDB && $title ) {
+                       // if $wgContentHandlerUseDB is not set, all revisions must use the default content model and format.
+
+                       $defaultModel = ContentHandler::getDefaultModelFor( $title );
+                       $defaultHandler = ContentHandler::getForModelID( $defaultModel );
+                       $defaultFormat = $defaultHandler->getDefaultFormat();
+
+                       if ( $this->getContentModel() != $defaultModel ) {
+                               $t = $title->getPrefixedDBkey();
+
+                               throw new MWException( "Can't save non-default content model with \$wgContentHandlerUseDB disabled: "
+                                                                               . "model is $model , default for $t is $defaultModel" );
+                       }
+
+                       if ( $this->getContentFormat() != $defaultFormat ) {
+                               $t = $title->getPrefixedDBkey();
+
+                               throw new MWException( "Can't use non-default content format with \$wgContentHandlerUseDB disabled: "
+                                                                               . "format is $format, default for $t is $defaultFormat" );
+                       }
+               }
+
+               $content = $this->getContent( Revision::RAW );
+
+               if ( !$content->isValid() ) {
+                       $t = $title->getPrefixedDBkey();
+
+                       throw new MWException( "Content of $t is not valid! Content model is $model" );
+               }
+       }
+
        /**
         * Get the base 36 SHA-1 value for a string of text
         * @param $text String
@@ -1159,12 +1433,21 @@ class Revision implements IDBAccessObject {
         * @return Revision|null on error
         */
        public static function newNullRevision( $dbw, $pageId, $summary, $minor ) {
+               global $wgContentHandlerUseDB;
+
                wfProfileIn( __METHOD__ );
 
+               $fields = array( 'page_latest', 'page_namespace', 'page_title',
+                                               'rev_text_id', 'rev_len', 'rev_sha1' );
+
+               if ( $wgContentHandlerUseDB ) {
+                       $fields[] = 'rev_content_model';
+                       $fields[] = 'rev_content_format';
+               }
+
                $current = $dbw->selectRow(
                        array( 'page', 'revision' ),
-                       array( 'page_latest', 'page_namespace', 'page_title',
-                               'rev_text_id', 'rev_len', 'rev_sha1' ),
+                       $fields,
                        array(
                                'page_id' => $pageId,
                                'page_latest=rev_id',
@@ -1172,7 +1455,7 @@ class Revision implements IDBAccessObject {
                        __METHOD__ );
 
                if( $current ) {
-                       $revision = new Revision( array(
+                       $row = array(
                                'page'       => $pageId,
                                'comment'    => $summary,
                                'minor_edit' => $minor,
@@ -1180,7 +1463,14 @@ class Revision implements IDBAccessObject {
                                'parent_id'  => $current->page_latest,
                                'len'        => $current->rev_len,
                                'sha1'       => $current->rev_sha1
-                               ) );
+                       );
+
+                       if ( $wgContentHandlerUseDB ) {
+                               $row[ 'content_model' ] = $current->rev_content_model;
+                               $row[ 'content_format' ] = $current->rev_content_format;
+                       }
+
+                       $revision = new Revision( $row );
                        $revision->setTitle( Title::makeTitle( $current->page_namespace, $current->page_title ) );
                } else {
                        $revision = null;
index aeb9ba4..6abbffb 100644 (file)
@@ -51,8 +51,6 @@ abstract class SqlDataUpdate extends DataUpdate {
                        $this->mOptions = array( 'FOR UPDATE' );
                }
 
-               // @todo: get connection only when it's needed? make sure that doesn't break anything, especially transactions!
-               $this->mDb = wfGetDB( DB_MASTER );
                $this->mHasTransaction = false;
        }
 
@@ -63,6 +61,8 @@ abstract class SqlDataUpdate extends DataUpdate {
         * checkes Database::trxLevel() and only opens a transaction if none is yet active.
         */
        public function beginTransaction() {
+               $this->mDb = wfGetDB( DB_MASTER );
+
                // NOTE: nested transactions are not supported, only start a transaction if none is open
                if ( $this->mDb->trxLevel() === 0 ) {
                        $this->mDb->begin( get_class( $this ) . '::beginTransaction'  );
@@ -83,7 +83,7 @@ abstract class SqlDataUpdate extends DataUpdate {
         * Abort the database transaction started via beginTransaction (if any).
         */
        public function abortTransaction() {
-               if ( $this->mHasTransaction ) {
+               if ( $this->mHasTransaction ) { //XXX: actually... maybe always?
                        $this->mDb->rollback( get_class( $this ) . '::abortTransaction' );
                }
        }
index b01c00b..9b5c7d8 100644 (file)
@@ -65,6 +65,7 @@ class Title {
        var $mFragment;                   // /< Title fragment (i.e. the bit after the #)
        var $mArticleID = -1;             // /< Article ID, fetched from the link cache on demand
        var $mLatestID = false;           // /< ID of most recent revision
+       var $mContentModel = false;       // /< ID of the page's content model, i.e. one of the CONTENT_MODEL_XXX constants
        private $mEstimateRevisions;      // /< Estimated number of revisions; null of not loaded
        var $mRestrictions = array();     // /< Array of groups allowed to edit this article
        var $mOldRestrictions = false;
@@ -200,6 +201,27 @@ class Title {
                }
        }
 
+       /**
+        * Returns a list of fields that are to be selected for initializing Title objects or LinkCache entries.
+        * Uses $wgContentHandlerUseDB to determine whether to include page_content_model.
+        *
+        * @return array
+        */
+       protected static function getSelectFields() {
+               global $wgContentHandlerUseDB;
+
+               $fields = array(
+                       'page_namespace', 'page_title', 'page_id',
+                       'page_len', 'page_is_redirect', 'page_latest',
+               );
+
+               if ( $wgContentHandlerUseDB ) {
+                       $fields[] = 'page_content_model';
+               }
+
+               return $fields;
+       }
+
        /**
         * Create a new Title from an article ID
         *
@@ -211,10 +233,7 @@ class Title {
                $db = ( $flags & self::GAID_FOR_UPDATE ) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
                $row = $db->selectRow(
                        'page',
-                       array(
-                               'page_namespace', 'page_title', 'page_id',
-                               'page_len', 'page_is_redirect', 'page_latest',
-                       ),
+                       self::getSelectFields(),
                        array( 'page_id' => $id ),
                        __METHOD__
                );
@@ -240,10 +259,7 @@ class Title {
 
                $res = $dbr->select(
                        'page',
-                       array(
-                               'page_namespace', 'page_title', 'page_id',
-                               'page_len', 'page_is_redirect', 'page_latest',
-                       ),
+                       self::getSelectFields(),
                        array( 'page_id' => $ids ),
                        __METHOD__
                );
@@ -283,11 +299,16 @@ class Title {
                                $this->mRedirect = (bool)$row->page_is_redirect;
                        if ( isset( $row->page_latest ) )
                                $this->mLatestID = (int)$row->page_latest;
+                       if ( isset( $row->page_content_model ) )
+                               $this->mContentModel = strval( $row->page_content_model );
+                       else
+                               $this->mContentModel = false; # initialized lazily in getContentModel()
                } else { // page not found
                        $this->mArticleID = 0;
                        $this->mLength = 0;
                        $this->mRedirect = false;
                        $this->mLatestID = 0;
+                       $this->mContentModel = false; # initialized lazily in getContentModel()
                }
        }
 
@@ -313,6 +334,7 @@ class Title {
                $t->mArticleID = ( $ns >= 0 ) ? -1 : 0;
                $t->mUrlform = wfUrlencode( $t->mDbkeyform );
                $t->mTextform = str_replace( '_', ' ', $title );
+               $t->mContentModel = false; # initialized lazily in getContentModel()
                return $t;
        }
 
@@ -363,9 +385,11 @@ class Title {
         *
         * @param $text String: Text with possible redirect
         * @return Title: The corresponding Title
+        * @deprecated since 1.WD, use Content::getRedirectTarget instead.
         */
        public static function newFromRedirect( $text ) {
-               return self::newFromRedirectInternal( $text );
+               $content = ContentHandler::makeContent( $text, null, CONTENT_MODEL_WIKITEXT );
+               return $content->getRedirectTarget();
        }
 
        /**
@@ -376,10 +400,11 @@ class Title {
         *
         * @param $text String Text with possible redirect
         * @return Title
+        * @deprecated since 1.WD, use Content::getUltimateRedirectTarget instead.
         */
        public static function newFromRedirectRecurse( $text ) {
-               $titles = self::newFromRedirectArray( $text );
-               return $titles ? array_pop( $titles ) : null;
+               $content = ContentHandler::makeContent( $text, null, CONTENT_MODEL_WIKITEXT );
+               return $content->getUltimateRedirectTarget();
        }
 
        /**
@@ -390,71 +415,11 @@ class Title {
         *
         * @param $text String Text with possible redirect
         * @return Array of Titles, with the destination last
+        * @deprecated since 1.WD, use Content::getRedirectChain instead.
         */
        public static function newFromRedirectArray( $text ) {
-               global $wgMaxRedirects;
-               $title = self::newFromRedirectInternal( $text );
-               if ( is_null( $title ) ) {
-                       return null;
-               }
-               // recursive check to follow double redirects
-               $recurse = $wgMaxRedirects;
-               $titles = array( $title );
-               while ( --$recurse > 0 ) {
-                       if ( $title->isRedirect() ) {
-                               $page = WikiPage::factory( $title );
-                               $newtitle = $page->getRedirectTarget();
-                       } else {
-                               break;
-                       }
-                       // Redirects to some special pages are not permitted
-                       if ( $newtitle instanceOf Title && $newtitle->isValidRedirectTarget() ) {
-                               // the new title passes the checks, so make that our current title so that further recursion can be checked
-                               $title = $newtitle;
-                               $titles[] = $newtitle;
-                       } else {
-                               break;
-                       }
-               }
-               return $titles;
-       }
-
-       /**
-        * Really extract the redirect destination
-        * Do not call this function directly, use one of the newFromRedirect* functions above
-        *
-        * @param $text String Text with possible redirect
-        * @return Title
-        */
-       protected static function newFromRedirectInternal( $text ) {
-               global $wgMaxRedirects;
-               if ( $wgMaxRedirects < 1 ) {
-                       //redirects are disabled, so quit early
-                       return null;
-               }
-               $redir = MagicWord::get( 'redirect' );
-               $text = trim( $text );
-               if ( $redir->matchStartAndRemove( $text ) ) {
-                       // Extract the first link and see if it's usable
-                       // Ensure that it really does come directly after #REDIRECT
-                       // Some older redirects included a colon, so don't freak about that!
-                       $m = array();
-                       if ( preg_match( '!^\s*:?\s*\[{2}(.*?)(?:\|.*?)?\]{2}!', $text, $m ) ) {
-                               // Strip preceding colon used to "escape" categories, etc.
-                               // and URL-decode links
-                               if ( strpos( $m[1], '%' ) !== false ) {
-                                       // Match behavior of inline link parsing here;
-                                       $m[1] = rawurldecode( ltrim( $m[1], ':' ) );
-                               }
-                               $title = Title::newFromText( $m[1] );
-                               // If the title is a redirect to bad special pages or is invalid, return null
-                               if ( !$title instanceof Title || !$title->isValidRedirectTarget() ) {
-                                       return null;
-                               }
-                               return $title;
-                       }
-               }
-               return null;
+               $content = ContentHandler::makeContent( $text, null, CONTENT_MODEL_WIKITEXT );
+               return $content->getRedirectChain();
        }
 
        /**
@@ -702,6 +667,38 @@ class Title {
                return $this->mNamespace;
        }
 
+       /**
+        * Get the page's content model id, see the CONTENT_MODEL_XXX constants.
+        *
+        * @return String: Content model id
+        */
+       public function getContentModel() {
+               if ( !$this->mContentModel ) {
+                       $linkCache = LinkCache::singleton();
+                       $this->mContentModel = $linkCache->getGoodLinkFieldObj( $this, 'model' );
+               }
+
+               if ( !$this->mContentModel ) {
+                       $this->mContentModel = ContentHandler::getDefaultModelFor( $this );
+               }
+
+               if( !$this->mContentModel ) {
+                       throw new MWException( "failed to determin content model!" );
+               }
+
+               return $this->mContentModel;
+       }
+
+       /**
+        * Convenience method for checking a title's content model name
+        *
+        * @param int $id
+        * @return Boolean true if $this->getContentModel() == $id
+        */
+       public function hasContentModel( $id ) {
+               return $this->getContentModel() == $id;
+       }
+
        /**
         * Get the namespace text
         *
@@ -945,22 +942,31 @@ class Title {
         * @return Bool
         */
        public function isWikitextPage() {
-               $retval = !$this->isCssOrJsPage() && !$this->isCssJsSubpage();
-               wfRunHooks( 'TitleIsWikitextPage', array( $this, &$retval ) );
-               return $retval;
+               return $this->hasContentModel( CONTENT_MODEL_WIKITEXT );
        }
 
        /**
-        * Could this page contain custom CSS or JavaScript, based
-        * on the title?
+        * Could this page contain custom CSS or JavaScript for the global UI.
+        * This is generally true for pages in the MediaWiki namespace having CONTENT_MODEL_CSS
+        * or CONTENT_MODEL_JAVASCRIPT.
+        *
+        * This method does *not* return true for per-user JS/CSS. Use isCssJsSubpage() for that!
+        *
+        * Note that this method should not return true for pages that contain and show "inactive" CSS or JS.
         *
         * @return Bool
         */
        public function isCssOrJsPage() {
-               $retval = $this->mNamespace == NS_MEDIAWIKI
-                       && preg_match( '!\.(?:css|js)$!u', $this->mTextform ) > 0;
-               wfRunHooks( 'TitleIsCssOrJsPage', array( $this, &$retval ) );
-               return $retval;
+               $isCssOrJsPage = NS_MEDIAWIKI == $this->mNamespace
+                       && ( $this->hasContentModel( CONTENT_MODEL_CSS )
+                               || $this->hasContentModel( CONTENT_MODEL_JAVASCRIPT ) );
+
+               #NOTE: this hook is also called in ContentHandler::getDefaultModel. It's called here again to make sure
+               #      hook funktions can force this method to return true even outside the mediawiki namespace.
+
+               wfRunHooks( 'TitleIsCssOrJsPage', array( $this, &$isCssOrJsPage ) );
+
+               return $isCssOrJsPage;
        }
 
        /**
@@ -968,7 +974,9 @@ class Title {
         * @return Bool
         */
        public function isCssJsSubpage() {
-               return ( NS_USER == $this->mNamespace and preg_match( "/\\/.*\\.(?:css|js)$/", $this->mTextform ) );
+               return ( NS_USER == $this->mNamespace && $this->isSubpage()
+                               && ( $this->hasContentModel( CONTENT_MODEL_CSS )
+                                       || $this->hasContentModel( CONTENT_MODEL_JAVASCRIPT ) ) );
        }
 
        /**
@@ -991,7 +999,8 @@ class Title {
         * @return Bool
         */
        public function isCssSubpage() {
-               return ( NS_USER == $this->mNamespace && preg_match( "/\\/.*\\.css$/", $this->mTextform ) );
+               return ( NS_USER == $this->mNamespace && $this->isSubpage()
+                       && $this->hasContentModel( CONTENT_MODEL_CSS ) );
        }
 
        /**
@@ -1000,7 +1009,8 @@ class Title {
         * @return Bool
         */
        public function isJsSubpage() {
-               return ( NS_USER == $this->mNamespace && preg_match( "/\\/.*\\.js$/", $this->mTextform ) );
+               return ( NS_USER == $this->mNamespace && $this->isSubpage()
+                       && $this->hasContentModel( CONTENT_MODEL_JAVASCRIPT ) );
        }
 
        /**
@@ -2827,8 +2837,16 @@ class Title {
                if ( !$this->getArticleID( $flags ) ) {
                        return $this->mRedirect = false;
                }
+
                $linkCache = LinkCache::singleton();
-               $this->mRedirect = (bool)$linkCache->getGoodLinkFieldObj( $this, 'redirect' );
+               $cached = $linkCache->getGoodLinkFieldObj( $this, 'redirect' );
+               if ( $cached === null ) { # check the assumption that the cache actually knows about this title
+                       # XXX: this does apparently happen, see https://bugzilla.wikimedia.org/show_bug.cgi?id=37209
+                       #      as a stop gap, perhaps log this, but don't throw an exception?
+                       throw new MWException( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() );
+               }
+
+               $this->mRedirect = (bool)$cached;
 
                return $this->mRedirect;
        }
@@ -2849,7 +2867,14 @@ class Title {
                        return $this->mLength = 0;
                }
                $linkCache = LinkCache::singleton();
-               $this->mLength = intval( $linkCache->getGoodLinkFieldObj( $this, 'length' ) );
+               $cached = $linkCache->getGoodLinkFieldObj( $this, 'length' );
+               if ( $cached === null ) { # check the assumption that the cache actually knows about this title
+                       # XXX: this does apparently happen, see https://bugzilla.wikimedia.org/show_bug.cgi?id=37209
+                       #      as a stop gap, perhaps log this, but don't throw an exception?
+                       throw new MWException( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() );
+               }
+
+               $this->mLength = intval( $cached );
 
                return $this->mLength;
        }
@@ -2869,7 +2894,14 @@ class Title {
                        return $this->mLatestID = 0;
                }
                $linkCache = LinkCache::singleton();
-               $this->mLatestID = intval( $linkCache->getGoodLinkFieldObj( $this, 'revision' ) );
+               $cached = $linkCache->getGoodLinkFieldObj( $this, 'revision' );
+               if ( $cached === null ) { # check the assumption that the cache actually knows about this title
+                       # XXX: this does apparently happen, see https://bugzilla.wikimedia.org/show_bug.cgi?id=37209
+                       #      as a stop gap, perhaps log this, but don't throw an exception?
+                       throw new MWException( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() );
+               }
+
+               $this->mLatestID = intval( $cached );
 
                return $this->mLatestID;
        }
@@ -2898,6 +2930,7 @@ class Title {
                $this->mRedirect = null;
                $this->mLength = -1;
                $this->mLatestID = false;
+               $this->mContentModel = false;
                $this->mEstimateRevisions = null;
        }
 
@@ -3136,7 +3169,7 @@ class Title {
 
                $res = $db->select(
                        array( 'page', $table ),
-                       array( 'page_namespace', 'page_title', 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ),
+                       self::getSelectFields(),
                        array(
                                "{$prefix}_from=page_id",
                                "{$prefix}_namespace" => $this->getNamespace(),
@@ -3186,6 +3219,8 @@ class Title {
         * @return Array of Title objects linking here
         */
        public function getLinksFrom( $options = array(), $table = 'pagelinks', $prefix = 'pl' ) {
+               global $wgContentHandlerUseDB;
+
                $id = $this->getArticleID();
 
                # If the page doesn't exist; there can't be any link from this page
@@ -3202,9 +3237,12 @@ class Title {
                $namespaceFiled = "{$prefix}_namespace";
                $titleField = "{$prefix}_title";
 
+               $fields = array( $namespaceFiled, $titleField, 'page_id', 'page_len', 'page_is_redirect', 'page_latest' );
+               if ( $wgContentHandlerUseDB ) $fields[] = 'page_content_model';
+
                $res = $db->select(
                        array( $table, 'page' ),
-                       array( $namespaceFiled, $titleField, 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ),
+                       $fields,
                        array( "{$prefix}_from" => $id ),
                        __METHOD__,
                        $options,
@@ -3768,10 +3806,16 @@ class Title {
         * @return Bool
         */
        public function isSingleRevRedirect() {
+               global $wgContentHandlerUseDB;
+
                $dbw = wfGetDB( DB_MASTER );
+
                # Is it a redirect?
+               $fields = array( 'page_is_redirect', 'page_latest', 'page_id' );
+               if ( $wgContentHandlerUseDB ) $fields[] = 'page_content_model';
+
                $row = $dbw->selectRow( 'page',
-                       array( 'page_is_redirect', 'page_latest', 'page_id' ),
+                       $fields,
                        $this->pageCond(),
                        __METHOD__,
                        array( 'FOR UPDATE' )
@@ -3780,6 +3824,7 @@ class Title {
                $this->mArticleID = $row ? intval( $row->page_id ) : 0;
                $this->mRedirect = $row ? (bool)$row->page_is_redirect : false;
                $this->mLatestID = $row ? intval( $row->page_latest ) : false;
+               $this->mContentModel = $row && isset( $row->page_content_model ) ? strval( $row->page_content_model ) : false;
                if ( !$this->mRedirect ) {
                        return false;
                }
@@ -3824,24 +3869,25 @@ class Title {
                if( !is_object( $rev ) ){
                        return false;
                }
-               $text = $rev->getText();
+               $content = $rev->getContent();
                # Does the redirect point to the source?
                # Or is it a broken self-redirect, usually caused by namespace collisions?
-               $m = array();
-               if ( preg_match( "/\\[\\[\\s*([^\\]\\|]*)]]/", $text, $m ) ) {
-                       $redirTitle = Title::newFromText( $m[1] );
-                       if ( !is_object( $redirTitle ) ||
-                               ( $redirTitle->getPrefixedDBkey() != $this->getPrefixedDBkey() &&
-                               $redirTitle->getPrefixedDBkey() != $nt->getPrefixedDBkey() ) ) {
+               $redirTitle = $content->getRedirectTarget();
+
+               if ( $redirTitle ) {
+                       if ( $redirTitle->getPrefixedDBkey() != $this->getPrefixedDBkey() &&
+                               $redirTitle->getPrefixedDBkey() != $nt->getPrefixedDBkey() ) {
                                wfDebug( __METHOD__ . ": redirect points to other page\n" );
                                return false;
+                       } else {
+                               return true;
                        }
                } else {
-                       # Fail safe
-                       wfDebug( __METHOD__ . ": failsafe\n" );
+                       # Fail safe (not a redirect after all. strange.)
+                       wfDebug( __METHOD__ . ": failsafe: database sais " . $nt->getPrefixedDBkey() .
+                                               " is a redirect, but it doesn't contain a valid redirect.\n" );
                        return false;
                }
-               return true;
        }
 
        /**
@@ -4538,17 +4584,17 @@ class Title {
                if ( $this->isSpecialPage() ) {
                        // special pages are in the user language
                        return $wgLang;
-               } elseif ( $this->isCssOrJsPage() || $this->isCssJsSubpage() ) {
-                       // css/js should always be LTR and is, in fact, English
-                       return wfGetLangObj( 'en' );
                } elseif ( $this->getNamespace() == NS_MEDIAWIKI ) {
                        // Parse mediawiki messages with correct target language
                        list( /* $unused */, $lang ) = MessageCache::singleton()->figureMessage( $this->getText() );
                        return wfGetLangObj( $lang );
                }
-               global $wgContLang;
-               // If nothing special, it should be in the wiki content language
-               $pageLang = $wgContLang;
+
+               //TODO: use the LinkCache to cache this!
+               //NOTE: ContentHandler::getPageLanguage() may need to load the content to determine the page language!
+               $contentHandler = ContentHandler::getForTitle( $this );
+               $pageLang = $contentHandler->getPageLanguage( $this );
+
                // Hook at the end because we don't want to override the above stuff
                wfRunHooks( 'PageContentLanguage', array( $this, &$pageLang, $wgLang ) );
                return wfGetLangObj( $pageLang );
diff --git a/includes/Uri.php b/includes/Uri.php
new file mode 100644 (file)
index 0000000..f6cf06f
--- /dev/null
@@ -0,0 +1,335 @@
+<?php
+/**
+ * Class for simple URI parsing and manipulation.
+ * Intended to simplify things that were using wfParseUrl and
+ * had to do manual concatenation for various needs.
+ * Built to match our JS mw.Uri in naming patterns.
+ * @file
+ * @author Daniel Friesen
+ * @since 1.20
+ */
+
+class Uri {
+
+       /**
+        * The parsed components of the URI
+        */
+       protected $components;
+
+       protected static $validComponents = array( 'scheme', 'delimiter', 'host', 'port', 'user', 'pass', 'path', 'query', 'fragment' );
+       protected static $componentAliases = array( 'protocol' => 'scheme', 'password' => 'pass' );
+
+       /**
+        * parse_url() work-alike, but non-broken.  Differences:
+        *
+        * 1) Does not raise warnings on bad URLs (just returns false)
+        * 2) Handles protocols that don't use :// (e.g., mailto: and news: , as well as protocol-relative URLs) correctly
+        * 3) Adds a "delimiter" element to the array, either '://', ':' or '//' (see (2))
+        *
+        * @param $url String: a URL to parse
+        * @return Array: bits of the URL in an associative array, per PHP docs
+        */
+       protected static function parseUri( $url ) {
+               global $wgUrlProtocols; // Allow all protocols defined in DefaultSettings/LocalSettings.php
+
+               // Protocol-relative URLs are handled really badly by parse_url(). It's so bad that the easiest
+               // way to handle them is to just prepend 'http:' and strip the protocol out later
+               $wasRelative = substr( $url, 0, 2 ) == '//';
+               if ( $wasRelative ) {
+                       $url = "http:$url";
+               }
+               wfSuppressWarnings();
+               $bits = parse_url( $url );
+               wfRestoreWarnings();
+               // parse_url() returns an array without scheme for some invalid URLs, e.g.
+               // parse_url("%0Ahttp://example.com") == array( 'host' => '%0Ahttp', 'path' => 'example.com' )
+               if ( !$bits ||
+                    !isset( $bits['scheme'] ) && strpos( $url, "://" ) !== false ) {
+                       wfDebug( __METHOD__ . ": Invalid URL: $url" );
+                       return false;
+               } else {
+                       $scheme = isset( $bits['scheme'] ) ? $bits['scheme'] : null;
+               }
+
+               // most of the protocols are followed by ://, but mailto: and sometimes news: not, check for it
+               if ( in_array( $scheme . '://', $wgUrlProtocols ) ) {
+                       $bits['delimiter'] = '://';
+               } elseif ( !is_null( $scheme ) && !in_array( $scheme . ':', $wgUrlProtocols ) ) {
+                       wfDebug( __METHOD__ . ": Invalid scheme in URL: $scheme" );
+                       return false;
+               } elseif( !is_null( $scheme ) ) {
+                       if( !in_array( $scheme . ':', $wgUrlProtocols ) ) {
+                               // For URLs that don't have a scheme, but do have a user:password, parse_url
+                               // detects the user as the scheme.
+                               unset( $bits['scheme'] );
+                               $bits['user'] = $scheme;
+                       } else {
+                               $bits['delimiter'] = ':';
+                               // parse_url detects for news: and mailto: the host part of an url as path
+                               // We have to correct this wrong detection
+                               if ( isset( $bits['path'] ) ) {
+                                       $bits['host'] = $bits['path'];
+                                       $bits['path'] = '';
+                               }
+                       }
+               }
+
+               /* Provide an empty host for eg. file:/// urls (see bug 28627) */
+               if ( !isset( $bits['host'] ) && $scheme == "file" ) {
+                       $bits['host'] = '';
+
+                       /* parse_url loses the third / for file:///c:/ urls (but not on variants) */
+                       if ( isset( $bits['path'] ) && substr( $bits['path'], 0, 1 ) !== '/' ) {
+                               $bits['path'] = '/' . $bits['path'];
+                       }
+               }
+
+               // If the URL was protocol-relative, fix scheme and delimiter
+               if ( $wasRelative ) {
+                       $bits['scheme'] = '';
+                       $bits['delimiter'] = '//';
+               }
+               return $bits;
+       }
+
+       /**
+        *
+        * @param $uri mixed URI string or array
+        */
+       public function __construct( $uri ) {
+               $this->components = array();
+               $this->setUri( $uri );
+       }
+
+       /**
+        * Set the Uri to the value of some other URI.
+        *
+        * @param $uri mixed URI string or array
+        */
+       public function setUri( $uri ) {
+               if ( is_string( $uri ) ) {
+                       $parsed = self::parseUri( $uri );
+                       if( $parsed === false ) {
+                               return false;
+                       }
+                       $this->setComponents( $parsed );
+               } elseif ( is_array( $uri ) ) {
+                       $this->setComponents( $uri );
+               } elseif ( $uri instanceof Uri ) {
+                       $this->setComponents( $uri->getComponents() );
+               } else {
+                       throw new MWException( __METHOD__ . ': $uri is not of a valid type.' );
+               }
+       }
+
+       /**
+        * Set the components of this array.
+        * Will output warnings when invalid components or aliases are found.
+        *
+        * @param $components Array The components to set on this Uri.
+        */
+       public function setComponents( array $components ) {
+               foreach ( $components as $name => $value ) {
+                       if ( isset( self::$componentAliases[$name] ) ) {
+                               $canonical = self::$componentAliases[$name];
+                               wfDebug( __METHOD__ . ": Converting alias $name to canonical $canonical." );
+                               $components[$canonical] = $value;
+                               unset( $components[$name] );
+                       } elseif ( !in_array( $name, self::$validComponents ) ) {
+                               throw new MWException( __METHOD__ . ": $name is not a valid component." );
+                       }
+               }
+
+               $this->components = $components;
+       }
+
+       /**
+        * Return the components for this Uri
+        * @return Array
+        */
+       public function getComponents() {
+               return $this->components;
+       }
+
+       /**
+        * Return the value of a specific component
+        *
+        * @param $name string The name of the component to return
+        * @param string|null
+        */
+       public function getComponent( $name ) {
+               if ( isset( self::$componentAliases[$name] ) ) {
+                       // Component is an alias. Get the actual name.
+                       $alias = $name;
+                       $name = self::$componentAliases[$name];
+                       wfDebug( __METHOD__ . ": Converting alias $alias to canonical $name." );
+               }
+
+               if( !in_array( $name, self::$validComponents ) ) {
+                       // Component is invalid
+                       throw new MWException( __METHOD__ . ": $name is not a valid component." );
+               } elseif( !empty( $this->components[$name] ) ) {
+                       // Component is valid and has a value.
+                       return $this->components[$name];
+               } else {
+                       // Component is empty
+                       return null;
+               }
+       }
+
+       /**
+        * Set a component for this Uri
+        * @param $name string The name of the component to set
+        * @param $value string|null The value to set
+        */
+       public function setComponent( $name, $value ) {
+               if ( isset( self::$componentAliases[$name] ) ) {
+                       $alias = $name;
+                       $name = self::$componentAliases[$name];
+                       wfDebug( __METHOD__ . ": Converting alias $alias to canonical $name." );
+               } elseif ( !in_array( $name, self::$validComponents ) ) {
+                       throw new MWException( __METHOD__ . ": $name is not a valid component." );
+               }
+               $this->components[$name] = $value;
+       }
+
+       public function getProtocol() { return $this->getComponent( 'scheme' ); }
+       public function getUser() { return $this->getComponent( 'user' ); }
+       public function getPassword() { return $this->getComponent( 'pass' ); }
+       public function getHost() { return $this->getComponent( 'host' ); }
+       public function getPort() { return $this->getComponent( 'port' ); }
+       public function getPath() { return $this->getComponent( 'path' ); }
+       public function getQueryString() { return $this->getComponent( 'query' ); }
+       public function getFragment() { return $this->getComponent( 'fragment' ); }
+
+       public function setProtocol( $scheme ) { $this->setComponent( 'scheme', $scheme ); }
+       public function setUser( $user ) { $this->setComponent( 'user', $user ); }
+       public function setPassword( $pass ) { $this->setComponent( 'pass', $pass ); }
+       public function setHost( $host ) { $this->setComponent( 'host', $host ); }
+       public function setPort( $port ) { $this->setComponent( 'port', $port ); }
+       public function setPath( $path ) { $this->setComponent( 'path', $path ); }
+       public function setFragment( $fragment ) { $this->setComponent( 'fragment', $fragment ); }
+
+       /**
+        * Gets the protocol-authority delimiter of a URI (:// or //).
+        * @return string|null
+        */
+       public function getDelimiter() {
+               $delimiter = $this->getComponent( 'delimiter' );
+               if ( $delimiter ) {
+                       // A specific delimiter is set, so return it.
+                       return $delimiter;
+               }
+               if ( $this->getAuthority() && $this->getProtocol() ) {
+                       // If the URI has a protocol and a body (i.e., some sort of host, etc.)
+                       // the default delimiter is "://", e.g., "http://test.com".
+                       return '://';
+               }
+               return null;
+       }
+
+       /**
+        * Gets query portion of a URI in array format.
+        * @return string
+        */
+       public function getQuery() {
+               return wfCgiToArray( $this->getQueryString() );
+       }
+
+       /**
+        * Gets query portion of a URI.
+        * @param string|array $query
+        */
+       public function setQuery( $query ) {
+               if ( is_array( $query ) ) {
+                       $query = wfArrayToCGI( $query );
+               }
+               $this->setComponent( 'query', $query );
+       }
+
+       /**
+        * Extend the query -- supply query parameters to override or add to ours
+        * @param Array|string $parameters query parameters to override or add
+        * @return Uri this URI object
+        */
+       public function extendQuery( $parameters ) {
+               if ( !is_array( $parameters ) ) {
+                       $parameters = wfCgiToArray( $parameters );
+               }
+
+               $query = $this->getQuery();
+               foreach( $parameters as $key => $value ) {
+                       $query[$key] = $value;
+               }
+
+               $this->setQuery( $query );
+               return $this;
+       }
+
+       /**
+        * Returns user and password portion of a URI.
+        * @return string
+        */
+       public function getUserInfo() {
+               $user = $this->getComponent( 'user' );
+               $pass = $this->getComponent( 'pass' );
+               return $pass ? "$user:$pass" : $user;
+       }
+
+       /**
+        * Gets host and port portion of a URI.
+        * @return string
+        */
+       public function getHostPort() {
+               $host = $this->getComponent( 'host' );
+               $port = $this->getComponent( 'port' );
+               return $port ? "$host:$port" : $host;
+       }
+
+       /**
+        * Returns the userInfo and host and port portion of the URI.
+        * In most real-world URLs, this is simply the hostname, but it is more general.
+        * @return string
+        */
+       public function getAuthority() {
+               $userinfo = $this->getUserInfo();
+               $hostinfo = $this->getHostPort();
+               return $userinfo ? "$userinfo@$hostinfo" : $hostinfo;
+       }
+
+       /**
+        * Returns everything after the authority section of the URI
+        * @return String
+        */
+       public function getRelativePath() {
+               $path = $this->getComponent( 'path' );
+               $query = $this->getComponent( 'query' );
+               $fragment = $this->getComponent( 'fragment' );
+
+               $retval = $path;
+               if( $query ) {
+                       $retval .= "?$query";
+               }
+               if( $fragment ) {
+                       $retval .= "#$fragment";
+               }
+               return $retval;
+       }
+
+       /**
+        * Gets the entire URI string. May not be precisely the same as input due to order of query arguments.
+        * @return String the URI string
+        */
+       public function toString() {
+               return $this->getComponent( 'scheme' ) . $this->getDelimiter() . $this->getAuthority() . $this->getRelativePath();
+       }
+
+       /**
+        * Gets the entire URI string. May not be precisely the same as input due to order of query arguments.
+        * @return String the URI string
+        */
+       public function __toString() {
+               return $this->toString();
+       }
+
+}
index 9fb1522..0114cce 100644 (file)
@@ -41,7 +41,9 @@ class WikiFilePage extends WikiPage {
        }
 
        public function getActionOverrides() {
-               return array( 'revert' => 'RevertFileAction' );
+               $overrides = parent::getActionOverrides();
+               $overrides[ 'revert' ] = 'RevertFileAction';
+               return $overrides;
        }
 
        /**
@@ -103,13 +105,12 @@ class WikiFilePage extends WikiPage {
        }
 
        /**
-        * @param bool $text
         * @return bool
         */
-       public function isRedirect( $text = false ) {
+       public function isRedirect( ) {
                $this->loadFile();
                if ( $this->mFile->isLocal() ) {
-                       return parent::isRedirect( $text );
+                       return parent::isRedirect();
                }
 
                return (bool)$this->mFile->getRedirected();
index a4e1d8d..2f90b7b 100644 (file)
@@ -186,7 +186,21 @@ class WikiPage extends Page implements IDBAccessObject {
         * @return Array
         */
        public function getActionOverrides() {
-               return array();
+               $content_handler = $this->getContentHandler();
+               return $content_handler->getActionOverrides();
+       }
+
+       /**
+        * Returns the ContentHandler instance to be used to deal with the content of this WikiPage.
+        *
+        * Shorthand for ContentHandler::getForModelID( $this->getContentModel() );
+        *
+        * @return ContentHandler
+        *
+        * @since 1.WD
+        */
+       public function getContentHandler() {
+               return ContentHandler::getForModelID( $this->getContentModel() );
        }
 
        /**
@@ -230,7 +244,9 @@ class WikiPage extends Page implements IDBAccessObject {
         * @return array
         */
        public static function selectFields() {
-               return array(
+               global $wgContentHandlerUseDB;
+
+               $fields = array(
                        'page_id',
                        'page_namespace',
                        'page_title',
@@ -243,6 +259,12 @@ class WikiPage extends Page implements IDBAccessObject {
                        'page_latest',
                        'page_len',
                );
+
+               if ( $wgContentHandlerUseDB ) {
+                       $fields[] = 'page_content_model';
+               }
+
+               return $fields;
        }
 
        /**
@@ -417,21 +439,42 @@ class WikiPage extends Page implements IDBAccessObject {
        }
 
        /**
-        * Tests if the article text represents a redirect
+        * Tests if the article content represents a redirect
         *
-        * @param $text mixed string containing article contents, or boolean
         * @return bool
         */
-       public function isRedirect( $text = false ) {
-               if ( $text === false ) {
-                       if ( !$this->mDataLoaded ) {
-                               $this->loadPageData();
-                       }
+       public function isRedirect( ) {
+               $content = $this->getContent();
+               if ( !$content ) return false;
 
-                       return (bool)$this->mIsRedirect;
-               } else {
-                       return Title::newFromRedirect( $text ) !== null;
+               return $content->isRedirect();
+       }
+
+       /**
+        * Returns the page's content model id (see the CONTENT_MODEL_XXX constants).
+        *
+        * Will use the revisions actual content model if the page exists,
+        * and the page's default if the page doesn't exist yet.
+        *
+        * @return String
+        *
+        * @since 1.WD
+        */
+       public function getContentModel() {
+               if ( $this->exists() ) {
+                       # look at the revision's actual content model
+                       $rev = $this->getRevision();
+
+                       if ( $rev !== null ) {
+                               return $rev->getContentModel();
+                       } else {
+                               $title = $this->mTitle->getPrefixedDBkey();
+                               wfWarn( "Page $title exists but has no (visible) revisions!" );
+                       }
                }
+
+               # use the default model for this page
+               return $this->mTitle->getContentModel();
        }
 
        /**
@@ -553,6 +596,25 @@ class WikiPage extends Page implements IDBAccessObject {
                return null;
        }
 
+       /**
+        * Get the content of the current revision. No side-effects...
+        *
+        * @param $audience Integer: one of:
+        *      Revision::FOR_PUBLIC       to be displayed to all users
+        *      Revision::FOR_THIS_USER    to be displayed to $wgUser
+        *      Revision::RAW              get the text regardless of permissions
+        * @return Content|null The content of the current revision
+        *
+        * @since 1.WD
+        */
+       public function getContent( $audience = Revision::FOR_PUBLIC ) {
+               $this->loadLastEdit();
+               if ( $this->mLastRevision ) {
+                       return $this->mLastRevision->getContent( $audience );
+               }
+               return null;
+       }
+
        /**
         * Get the text of the current revision. No side-effects...
         *
@@ -560,9 +622,12 @@ class WikiPage extends Page implements IDBAccessObject {
         *      Revision::FOR_PUBLIC       to be displayed to all users
         *      Revision::FOR_THIS_USER    to be displayed to $wgUser
         *      Revision::RAW              get the text regardless of permissions
-        * @return String|bool The text of the current revision. False on failure
+        * @return String|false The text of the current revision
+        * @deprecated as of 1.WD, getContent() should be used instead.
         */
-       public function getText( $audience = Revision::FOR_PUBLIC ) {
+       public function getText( $audience = Revision::FOR_PUBLIC ) { #@todo: deprecated, replace usage!
+               wfDeprecated( __METHOD__, '1.WD' );
+
                $this->loadLastEdit();
                if ( $this->mLastRevision ) {
                        return $this->mLastRevision->getText( $audience );
@@ -574,13 +639,12 @@ class WikiPage extends Page implements IDBAccessObject {
         * Get the text of the current revision. No side-effects...
         *
         * @return String|bool The text of the current revision. False on failure
+        * @deprecated as of 1.WD, getContent() should be used instead.
         */
        public function getRawText() {
-               $this->loadLastEdit();
-               if ( $this->mLastRevision ) {
-                       return $this->mLastRevision->getRawText();
-               }
-               return false;
+               wfDeprecated( __METHOD__, '1.WD' );
+
+               return $this->getText( Revision::RAW );
        }
 
        /**
@@ -722,32 +786,34 @@ class WikiPage extends Page implements IDBAccessObject {
                        return false;
                }
 
-               $text = $editInfo ? $editInfo->pst : false;
+               if ( $editInfo ) {
+                       $content = $editInfo->pstContent;
+               } else {
+                       $content = $this->getContent();
+               }
 
-               if ( $this->isRedirect( $text ) ) {
+               if ( !$content || $content->isRedirect( ) ) {
                        return false;
                }
 
-               switch ( $wgArticleCountMethod ) {
-               case 'any':
-                       return true;
-               case 'comma':
-                       if ( $text === false ) {
-                               $text = $this->getRawText();
-                       }
-                       return strpos( $text,  ',' ) !== false;
-               case 'link':
+               $hasLinks = null;
+
+               if ( $wgArticleCountMethod === 'link' ) {
+                       # nasty special case to avoid re-parsing to detect links
+
                        if ( $editInfo ) {
                                // ParserOutput::getLinks() is a 2D array of page links, so
                                // to be really correct we would need to recurse in the array
                                // but the main array should only have items in it if there are
                                // links.
-                               return (bool)count( $editInfo->output->getLinks() );
+                               $hasLinks = (bool)count( $editInfo->output->getLinks() );
                        } else {
-                               return (bool)wfGetDB( DB_SLAVE )->selectField( 'pagelinks', 1,
+                               $hasLinks = (bool)wfGetDB( DB_SLAVE )->selectField( 'pagelinks', 1,
                                        array( 'pl_from' => $this->getId() ), __METHOD__ );
                        }
                }
+
+               return $content->isCountable( $hasLinks );
        }
 
        /**
@@ -793,7 +859,8 @@ class WikiPage extends Page implements IDBAccessObject {
         */
        public function insertRedirect() {
                // recurse through to only get the final target
-               $retval = Title::newFromRedirectRecurse( $this->getRawText() );
+               $content = $this->getContent();
+               $retval = $content ? $content->getUltimateRedirectTarget() : null;
                if ( !$retval ) {
                        return null;
                }
@@ -989,7 +1056,7 @@ class WikiPage extends Page implements IDBAccessObject {
                        && $parserOptions->getStubThreshold() == 0
                        && $this->mTitle->exists()
                        && ( $oldid === null || $oldid === 0 || $oldid === $this->getLatest() )
-                       && $this->mTitle->isWikitextPage();
+                       && $this->getContentHandler()->isParserCacheSupported();
        }
 
        /**
@@ -1000,6 +1067,7 @@ class WikiPage extends Page implements IDBAccessObject {
         * @param $parserOptions ParserOptions to use for the parse operation
         * @param $oldid Revision ID to get the text from, passing null or 0 will
         *               get the current revision (default value)
+        *
         * @return ParserOutput or false if the revision was not found
         */
        public function getParserOutput( ParserOptions $parserOptions, $oldid = null ) {
@@ -1077,8 +1145,16 @@ class WikiPage extends Page implements IDBAccessObject {
                }
 
                if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+                       //@todo: move this logic to MessageCache
+
                        if ( $this->mTitle->exists() ) {
-                               $text = $this->getRawText();
+                               // NOTE: use transclusion text for messages.
+                               //       This is consistent with  MessageCache::getMsgFromNamespace()
+
+                               $content = $this->getContent();
+                               $text = $content === null ? null : $content->getWikitextForTransclusion();
+
+                               if ( $text === null ) $text = false;
                        } else {
                                $text = false;
                        }
@@ -1143,11 +1219,13 @@ class WikiPage extends Page implements IDBAccessObject {
         * @private
         */
        public function updateRevisionOn( $dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
+               global $wgContentHandlerUseDB;
+
                wfProfileIn( __METHOD__ );
 
-               $text = $revision->getText();
-               $len = strlen( $text );
-               $rt = Title::newFromRedirectRecurse( $text );
+               $content = $revision->getContent();
+               $len = $content->getSize();
+               $rt = $content->getUltimateRedirectTarget();
 
                $conditions = array( 'page_id' => $this->getId() );
 
@@ -1157,14 +1235,20 @@ class WikiPage extends Page implements IDBAccessObject {
                }
 
                $now = wfTimestampNow();
+               $row = array( /* SET */
+                       'page_latest'      => $revision->getId(),
+                       'page_touched'     => $dbw->timestamp( $now ),
+                       'page_is_new'      => ( $lastRevision === 0 ) ? 1 : 0,
+                       'page_is_redirect' => $rt !== null ? 1 : 0,
+                       'page_len'         => $len,
+               );
+
+               if ( $wgContentHandlerUseDB ) {
+                       $row[ 'page_content_model' ] = $revision->getContentModel();
+               }
+
                $dbw->update( 'page',
-                       array( /* SET */
-                               'page_latest'      => $revision->getId(),
-                               'page_touched'     => $dbw->timestamp( $now ),
-                               'page_is_new'      => ( $lastRevision === 0 ) ? 1 : 0,
-                               'page_is_redirect' => $rt !== null ? 1 : 0,
-                               'page_len'         => $len,
-                       ),
+                       $row,
                        $conditions,
                        __METHOD__ );
 
@@ -1176,7 +1260,8 @@ class WikiPage extends Page implements IDBAccessObject {
                        $this->mLatest = $revision->getId();
                        $this->mIsRedirect = (bool)$rt;
                        # Update the LinkCache.
-                       LinkCache::singleton()->addGoodLinkObj( $this->getId(), $this->mTitle, $len, $this->mIsRedirect, $this->mLatest );
+                       LinkCache::singleton()->addGoodLinkObj( $this->getId(), $this->mTitle, $len, $this->mIsRedirect,
+                                                                                                       $this->mLatest, $revision->getContentModel() );
                }
 
                wfProfileOut( __METHOD__ );
@@ -1259,6 +1344,21 @@ class WikiPage extends Page implements IDBAccessObject {
                return $ret;
        }
 
+    /**
+     * Get the content that needs to be saved in order to undo all revisions
+     * between $undo and $undoafter. Revisions must belong to the same page,
+     * must exist and must not be deleted
+     * @param $undo Revision
+     * @param $undoafter Revision Must be an earlier revision than $undo
+     * @return mixed string on success, false on failure
+     * @since 1.WD
+     * Before we had the Content object, this was done in getUndoText
+     */
+    public function getUndoContent( Revision $undo, Revision $undoafter = null ) {
+        $handler = $undo->getContentHandler();
+        return $handler->getUndoContent( $this->getRevision(), $undo, $undoafter );
+    }
+
        /**
         * Get the text that needs to be saved in order to undo all revisions
         * between $undo and $undoafter. Revisions must belong to the same page,
@@ -1266,27 +1366,29 @@ class WikiPage extends Page implements IDBAccessObject {
         * @param $undo Revision
         * @param $undoafter Revision Must be an earlier revision than $undo
         * @return mixed string on success, false on failure
+        * @deprecated since 1.WD: use ContentHandler::getUndoContent() instead.
         */
        public function getUndoText( Revision $undo, Revision $undoafter = null ) {
-               $cur_text = $this->getRawText();
-               if ( $cur_text === false ) {
-                       return false; // no page
-               }
-               $undo_text = $undo->getText();
-               $undoafter_text = $undoafter->getText();
+               wfDeprecated( __METHOD__, '1.WD' );
 
-               if ( $cur_text == $undo_text ) {
-                       # No use doing a merge if it's just a straight revert.
-                       return $undoafter_text;
-               }
+               $this->loadLastEdit();
 
-               $undone_text = '';
+               if ( $this->mLastRevision ) {
+                       if ( is_null( $undoafter ) ) {
+                               $undoafter = $undo->getPrevious();
+                       }
 
-               if ( !wfMerge( $undo_text, $undoafter_text, $cur_text, $undone_text ) ) {
-                       return false;
+                       $handler = $this->getContentHandler();
+                       $undone = $handler->getUndoContent( $this->mLastRevision, $undo, $undoafter );
+
+                       if ( !$undone ) {
+                               return false;
+                       } else {
+                               return ContentHandler::getContentText( $undone );
+                       }
                }
 
-               return $undone_text;
+               return false;
        }
 
        /**
@@ -1294,18 +1396,67 @@ class WikiPage extends Page implements IDBAccessObject {
         * @param $text String: new text of the section
         * @param $sectionTitle String: new section's subject, only if $section is 'new'
         * @param $edittime String: revision timestamp or null to use the current revision
-        * @return string Complete article text, or null if error
+        * @return String new complete article text, or null if error
+        *
+        * @deprecated since 1.WD, use replaceSectionContent() instead
         */
        public function replaceSection( $section, $text, $sectionTitle = '', $edittime = null ) {
+               wfDeprecated( __METHOD__, '1.WD' );
+
+               if ( strval( $section ) == '' ) { //NOTE: keep condition in sync with condition in replaceSectionContent!
+                       // Whole-page edit; let the whole text through
+                       return $text;
+               }
+
+               if ( !$this->supportsSections() ) {
+                       throw new MWException( "sections not supported for content model " . $this->getContentHandler()->getModelID() );
+               }
+
+               # could even make section title, but that's not required.
+               $sectionContent = ContentHandler::makeContent( $text, $this->getTitle() );
+
+               $newContent = $this->replaceSectionContent( $section, $sectionContent, $sectionTitle, $edittime );
+
+               return ContentHandler::getContentText( $newContent );
+       }
+
+       /**
+        * Returns true iff this page's content model supports sections.
+        *
+        * @return boolean whether sections are supported.
+        *
+        * @todo: the skin should check this and not offer section functionality if sections are not supported.
+        * @todo: the EditPage should check this and not offer section functionality if sections are not supported.
+        */
+       public function supportsSections() {
+               return $this->getContentHandler()->supportsSections();
+       }
+
+       /**
+        * @param $section null|bool|int or a section number (0, 1, 2, T1, T2...)
+        * @param $content Content: new content of the section
+        * @param $sectionTitle String: new section's subject, only if $section is 'new'
+        * @param $edittime String: revision timestamp or null to use the current revision
+        *
+        * @return Content new complete article content, or null if error
+        *
+        * @since 1.WD
+        */
+       public function replaceSectionContent( $section, Content $sectionContent, $sectionTitle = '', $edittime = null ) {
                wfProfileIn( __METHOD__ );
 
                if ( strval( $section ) == '' ) {
                        // Whole-page edit; let the whole text through
+                       $newContent = $sectionContent;
                } else {
+                       if ( !$this->supportsSections() ) {
+                               throw new MWException( "sections not supported for content model " . $this->getContentHandler()->getModelID() );
+                       }
+
                        // Bug 30711: always use current version when adding a new section
                        if ( is_null( $edittime ) || $section == 'new' ) {
-                               $oldtext = $this->getRawText();
-                               if ( $oldtext === false ) {
+                               $oldContent = $this->getContent();
+                               if ( ! $oldContent ) {
                                        wfDebug( __METHOD__ . ": no page text\n" );
                                        wfProfileOut( __METHOD__ );
                                        return null;
@@ -1321,27 +1472,14 @@ class WikiPage extends Page implements IDBAccessObject {
                                        return null;
                                }
 
-                               $oldtext = $rev->getText();
+                               $oldContent = $rev->getContent();
                        }
 
-                       if ( $section == 'new' ) {
-                               # Inserting a new section
-                               $subject = $sectionTitle ? wfMsgForContent( 'newsectionheaderdefaultlevel', $sectionTitle ) . "\n\n" : '';
-                               if ( wfRunHooks( 'PlaceNewSection', array( $this, $oldtext, $subject, &$text ) ) ) {
-                                       $text = strlen( trim( $oldtext ) ) > 0
-                                               ? "{$oldtext}\n\n{$subject}{$text}"
-                                               : "{$subject}{$text}";
-                               }
-                       } else {
-                               # Replacing an existing section; roll out the big guns
-                               global $wgParser;
-
-                               $text = $wgParser->replaceSection( $oldtext, $section, $text );
-                       }
+                       $newContent = $oldContent->replaceSection( $section, $sectionContent, $sectionTitle );
                }
 
                wfProfileOut( __METHOD__ );
-               return $text;
+               return $newContent;
        }
 
        /**
@@ -1406,8 +1544,67 @@ class WikiPage extends Page implements IDBAccessObject {
         *     revision:                The revision object for the inserted revision, or null
         *
         *  Compatibility note: this function previously returned a boolean value indicating success/failure
+        *
+        * @deprecated since 1.WD: use doEditContent() instead.
+        * @todo: use doEditContent() instead everywhere
         */
        public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
+               wfDeprecated( __METHOD__, '1.WD' );
+
+               $content = ContentHandler::makeContent( $text, $this->getTitle() );
+
+               return $this->doEditContent( $content, $summary, $flags, $baseRevId, $user );
+       }
+
+       /**
+        * Change an existing article or create a new article. Updates RC and all necessary caches,
+        * optionally via the deferred update array.
+        *
+        * @param $content Content: new content
+        * @param $summary String: edit summary
+        * @param $flags Integer bitfield:
+        *      EDIT_NEW
+        *          Article is known or assumed to be non-existent, create a new one
+        *      EDIT_UPDATE
+        *          Article is known or assumed to be pre-existing, update it
+        *      EDIT_MINOR
+        *          Mark this edit minor, if the user is allowed to do so
+        *      EDIT_SUPPRESS_RC
+        *          Do not log the change in recentchanges
+        *      EDIT_FORCE_BOT
+        *          Mark the edit a "bot" edit regardless of user rights
+        *      EDIT_DEFER_UPDATES
+        *          Defer some of the updates until the end of index.php
+        *      EDIT_AUTOSUMMARY
+        *          Fill in blank summaries with generated text where possible
+        *
+        * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
+        * If EDIT_UPDATE is specified and the article doesn't exist, the function will return an
+        * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an
+        * edit-already-exists error will be returned. These two conditions are also possible with
+        * auto-detection due to MediaWiki's performance-optimised locking strategy.
+        *
+        * @param $baseRevId the revision ID this edit was based off, if any
+        * @param $user User the user doing the edit
+        * @param $serialisation_format String: format for storing the content in the database
+        *
+        * @return Status object. Possible errors:
+        *     edit-hook-aborted:       The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
+        *     edit-gone-missing:       In update mode, but the article didn't exist
+        *     edit-conflict:           In update mode, the article changed unexpectedly
+        *     edit-no-change:          Warning that the text was the same as before
+        *     edit-already-exists:     In creation mode, but the article already exists
+        *
+        *  Extensions may define additional errors.
+        *
+        *  $return->value will contain an associative array with members as follows:
+        *     new:                     Boolean indicating if the function attempted to create a new article
+        *     revision:                The revision object for the inserted revision, or null
+        *
+        * @since 1.WD
+        */
+       public function doEditContent( Content $content, $summary, $flags = 0, $baseRevId = false,
+                                                                  User $user = null, $serialisation_format = null ) {
                global $wgUser, $wgUseAutomaticEditSummaries, $wgUseRCPatrol, $wgUseNPPatrol;
 
                # Low-level sanity check
@@ -1427,10 +1624,14 @@ class WikiPage extends Page implements IDBAccessObject {
 
                $flags = $this->checkFlags( $flags );
 
-               if ( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
-                       $flags & EDIT_MINOR, null, null, &$flags, &$status ) ) )
-               {
-                       wfDebug( __METHOD__ . ": ArticleSave hook aborted save!\n" );
+               # handle hook
+               $hook_args = array( &$this, &$user, &$content, &$summary,
+                                                       $flags & EDIT_MINOR, null, null, &$flags, &$status );
+
+               if ( !wfRunHooks( 'ArticleContentSave', $hook_args )
+                       || !ContentHandler::runLegacyHooks( 'ArticleSave', $hook_args ) ) {
+
+                       wfDebug( __METHOD__ . ": ArticleSave or ArticleSaveContent hook aborted save!\n" );
 
                        if ( $status->isOK() ) {
                                $status->fatal( 'edit-hook-aborted' );
@@ -1444,20 +1645,25 @@ class WikiPage extends Page implements IDBAccessObject {
                $isminor = ( $flags & EDIT_MINOR ) && $user->isAllowed( 'minoredit' );
                $bot = $flags & EDIT_FORCE_BOT;
 
-               $oldtext = $this->getRawText(); // current revision
-               $oldsize = strlen( $oldtext );
+               $old_content = $this->getContent( Revision::RAW ); // current revision's content
+
+               $oldsize = $old_content ? $old_content->getSize() : 0;
                $oldid = $this->getLatest();
                $oldIsRedirect = $this->isRedirect();
                $oldcountable = $this->isCountable();
 
+               $handler = $content->getContentHandler();
+
                # Provide autosummaries if one is not provided and autosummaries are enabled.
                if ( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY && $summary == '' ) {
-                       $summary = self::getAutosummary( $oldtext, $text, $flags );
+                       if ( !$old_content ) $old_content = null;
+                       $summary = $handler->getAutosummary( $old_content, $content, $flags );
                }
 
-               $editInfo = $this->prepareTextForEdit( $text, null, $user );
-               $text = $editInfo->pst;
-               $newsize = strlen( $text );
+               $editInfo = $this->prepareContentForEdit( $content, null, $user, $serialisation_format );
+               $serialized = $editInfo->pst;
+               $content = $editInfo->pstContent;
+               $newsize =  $content->getSize();
 
                $dbw = wfGetDB( DB_MASTER );
                $now = wfTimestampNow();
@@ -1474,7 +1680,7 @@ class WikiPage extends Page implements IDBAccessObject {
 
                                wfProfileOut( __METHOD__ );
                                return $status;
-                       } elseif ( $oldtext === false ) {
+                       } elseif ( !$old_content ) {
                                # Sanity check for bug 37225
                                wfProfileOut( __METHOD__ );
                                throw new MWException( "Could not find text for current revision {$oldid}." );
@@ -1484,20 +1690,39 @@ class WikiPage extends Page implements IDBAccessObject {
                                'page'       => $this->getId(),
                                'comment'    => $summary,
                                'minor_edit' => $isminor,
-                               'text'       => $text,
+                               'text'       => $serialized,
+                               'len'        => $newsize,
                                'parent_id'  => $oldid,
                                'user'       => $user->getId(),
                                'user_text'  => $user->getName(),
-                               'timestamp'  => $now
-                       ) );
+                               'timestamp'  => $now,
+                               'content_model' => $content->getModel(),
+                               'content_format' => $serialisation_format,
+                       ) ); #XXX: pass content object?!
+
                        # Bug 37225: use accessor to get the text as Revision may trim it.
                        # After trimming, the text may be a duplicate of the current text.
-                       $text = $revision->getText(); // sanity; EditPage should trim already
+                       $content = $revision->getContent(); // sanity; EditPage should trim already
 
-                       $changed = ( strcmp( $text, $oldtext ) != 0 );
+                       $changed = !$content->equals( $old_content );
 
                        if ( $changed ) {
+                               if ( !$content->isValid() ) {
+                                       throw new MWException( "New content failed validity check!" );
+                               }
+
                                $dbw->begin( __METHOD__ );
+
+                               $prepStatus = $content->prepareSave( $this, $flags, $baseRevId, $user );
+                               $status->merge( $prepStatus );
+
+                               if ( !$status->isOK() ) {
+                                       $dbw->rollback();
+
+                                       wfProfileOut( __METHOD__ );
+                                       return $status;
+                               }
+
                                $revisionId = $revision->insertOn( $dbw );
 
                                # Update page
@@ -1545,8 +1770,14 @@ class WikiPage extends Page implements IDBAccessObject {
                        }
 
                        # Update links tables, site stats, etc.
-                       $this->doEditUpdates( $revision, $user, array( 'changed' => $changed,
-                               'oldcountable' => $oldcountable ) );
+                       $this->doEditUpdates(
+                               $revision,
+                               $user,
+                               array(
+                                       'changed' => $changed,
+                                       'oldcountable' => $oldcountable
+                               )
+                       );
 
                        if ( !$changed ) {
                                $status->warning( 'edit-no-change' );
@@ -1561,6 +1792,18 @@ class WikiPage extends Page implements IDBAccessObject {
 
                        $dbw->begin( __METHOD__ );
 
+                       $prepStatus = $content->prepareSave( $this, $flags, $baseRevId, $user );
+                       $status->merge( $prepStatus );
+
+                       if ( !$status->isOK() ) {
+                               $dbw->rollback();
+
+                               wfProfileOut( __METHOD__ );
+                               return $status;
+                       }
+
+                       $status->merge( $prepStatus );
+
                        # Add the page record; stake our claim on this title!
                        # This will return false if the article already exists
                        $newid = $this->insertOn( $dbw );
@@ -1578,15 +1821,18 @@ class WikiPage extends Page implements IDBAccessObject {
                                'page'       => $newid,
                                'comment'    => $summary,
                                'minor_edit' => $isminor,
-                               'text'       => $text,
+                               'text'       => $serialized,
+                               'len'        => $newsize,
                                'user'       => $user->getId(),
                                'user_text'  => $user->getName(),
-                               'timestamp'  => $now
+                               'timestamp'  => $now,
+                               'content_model' => $content->getModel(),
+                               'content_format' => $serialisation_format,
                        ) );
                        $revisionId = $revision->insertOn( $dbw );
 
                        # Bug 37225: use accessor to get the text as Revision may trim it
-                       $text = $revision->getText(); // sanity; EditPage should trim already
+                       $content = $revision->getContent(); // sanity; get normalized version
 
                        # Update the page record with revision data
                        $this->updateRevisionOn( $dbw, $revision, 0 );
@@ -1600,7 +1846,7 @@ class WikiPage extends Page implements IDBAccessObject {
                                        $this->mTitle->getUserPermissionsErrors( 'autopatrol', $user ) );
                                # Add RC row to the DB
                                $rc = RecentChange::notifyNew( $now, $this->mTitle, $isminor, $user, $summary, $bot,
-                                       '', strlen( $text ), $revisionId, $patrolled );
+                                       '', $content->getSize(), $revisionId, $patrolled );
 
                                # Log auto-patrolled edits
                                if ( $patrolled ) {
@@ -1613,8 +1859,11 @@ class WikiPage extends Page implements IDBAccessObject {
                        # Update links, etc.
                        $this->doEditUpdates( $revision, $user, array( 'created' => true ) );
 
-                       wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary,
-                               $flags & EDIT_MINOR, null, null, &$flags, $revision ) );
+                       $hook_args = array( &$this, &$user, $content, $summary,
+                                                               $flags & EDIT_MINOR, null, null, &$flags, $revision );
+
+                       ContentHandler::runLegacyHooks( 'ArticleInsertComplete', $hook_args );
+                       wfRunHooks( 'ArticleContentInsertComplete', $hook_args );
                }
 
                # Do updates right now unless deferral was requested
@@ -1625,8 +1874,11 @@ class WikiPage extends Page implements IDBAccessObject {
                // Return the new revision (or null) to the caller
                $status->value['revision'] = $revision;
 
-               wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
-                       $flags & EDIT_MINOR, null, null, &$flags, $revision, &$status, $baseRevId ) );
+               $hook_args = array( &$this, &$user, $content, $summary,
+                                                       $flags & EDIT_MINOR, null, null, &$flags, $revision, &$status, $baseRevId );
+
+               ContentHandler::runLegacyHooks( 'ArticleSaveComplete', $hook_args );
+               wfRunHooks( 'ArticleContentSaveComplete', $hook_args );
 
                # Promote user to any groups they meet the criteria for
                $user->addAutopromoteOnceGroups( 'onEdit' );
@@ -1655,15 +1907,39 @@ class WikiPage extends Page implements IDBAccessObject {
        /**
         * Prepare text which is about to be saved.
         * Returns a stdclass with source, pst and output members
-        * @return bool|object
+        *
+        * @deprecated in 1.WD: use prepareContentForEdit instead.
         */
        public function prepareTextForEdit( $text, $revid = null, User $user = null ) {
+               wfDeprecated( __METHOD__, '1.WD' );
+               $content = ContentHandler::makeContent( $text, $this->getTitle() );
+               return $this->prepareContentForEdit( $content, $revid , $user );
+       }
+
+       /**
+        * Prepare content which is about to be saved.
+        * Returns a stdclass with source, pst and output members
+        *
+        * @param \Content $content
+        * @param null $revid
+        * @param null|\User $user
+        * @param null $serialization_format
+        *
+        * @return bool|object
+        *
+        * @since 1.WD
+        */
+       public function prepareContentForEdit( Content $content, $revid = null, User $user = null, $serialization_format = null ) {
                global $wgParser, $wgContLang, $wgUser;
                $user = is_null( $user ) ? $wgUser : $user;
                // @TODO fixme: check $user->getId() here???
+
                if ( $this->mPreparedEdit
-                       && $this->mPreparedEdit->newText == $text
+                       && $this->mPreparedEdit->newContent
+                       && $this->mPreparedEdit->newContent->equals( $content )
                        && $this->mPreparedEdit->revid == $revid
+                       && $this->mPreparedEdit->format == $serialization_format
+                       #XXX: also check $user here?
                ) {
                        // Already prepared
                        return $this->mPreparedEdit;
@@ -1674,11 +1950,21 @@ class WikiPage extends Page implements IDBAccessObject {
 
                $edit = (object)array();
                $edit->revid = $revid;
-               $edit->newText = $text;
-               $edit->pst = $wgParser->preSaveTransform( $text, $this->mTitle, $user, $popts );
+
+               $edit->pstContent = $content->preSaveTransform( $this->mTitle, $user, $popts );
+               $edit->pst = $edit->pstContent->serialize( $serialization_format ); #XXX: do we need this??
+               $edit->format = $serialization_format;
+
                $edit->popts = $this->makeParserOptions( 'canonical' );
-               $edit->output = $wgParser->parse( $edit->pst, $this->mTitle, $edit->popts, true, true, $revid );
-               $edit->oldText = $this->getRawText();
+
+               $edit->output = $edit->pstContent->getParserOutput( $this->mTitle, $revid, $edit->popts );
+
+               $edit->newContent = $content;
+               $edit->oldContent = $this->getContent( Revision::RAW );
+
+               #NOTE: B/C for hooks! don't use these fields!
+               $edit->newText = ContentHandler::getContentText( $edit->newContent );
+               $edit->oldText = $edit->oldContent ? ContentHandler::getContentText( $edit->oldContent ) : '';
 
                $this->mPreparedEdit = $edit;
 
@@ -1691,7 +1977,6 @@ class WikiPage extends Page implements IDBAccessObject {
         * Purges pages that include this page if the text was changed here.
         * Every 100th edit, prune the recent changes table.
         *
-        * @private
         * @param $revision Revision object
         * @param $user User object that did the revision
         * @param $options Array of options, following indexes are used:
@@ -1708,13 +1993,13 @@ class WikiPage extends Page implements IDBAccessObject {
                wfProfileIn( __METHOD__ );
 
                $options += array( 'changed' => true, 'created' => false, 'oldcountable' => null );
-               $text = $revision->getText();
+               $content = $revision->getContent();
 
                # Parse the text
                # Be careful not to double-PST: $text is usually already PST-ed once
                if ( !$this->mPreparedEdit || $this->mPreparedEdit->output->getFlag( 'vary-revision' ) ) {
                        wfDebug( __METHOD__ . ": No prepared edit or vary-revision is set...\n" );
-                       $editInfo = $this->prepareTextForEdit( $text, $revision->getId(), $user );
+                       $editInfo = $this->prepareContentForEdit( $content, $revision->getId(), $user );
                } else {
                        wfDebug( __METHOD__ . ": No vary-revision, using prepared edit...\n" );
                        $editInfo = $this->mPreparedEdit;
@@ -1727,7 +2012,7 @@ class WikiPage extends Page implements IDBAccessObject {
                }
 
                # Update the links tables and other secondary data
-               $updates = $editInfo->output->getSecondaryDataUpdates( $this->mTitle );
+               $updates = $content->getSecondaryDataUpdates( $this->getTitle(), null, true, $editInfo->output );
                DataUpdate::runUpdates( $updates );
 
                wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $options['changed'] ) );
@@ -1772,7 +2057,8 @@ class WikiPage extends Page implements IDBAccessObject {
                }
 
                DeferredUpdates::addUpdate( new SiteStatsUpdate( 0, 1, $good, $total ) );
-               DeferredUpdates::addUpdate( new SearchUpdate( $id, $title, $text ) );
+               DeferredUpdates::addUpdate( new SearchUpdate( $id, $title, $content->getTextForSearchIndex() ) );
+               #@TODO: let the search engine decide what to do with the content object
 
                # If this is another user's talk page, update newtalk.
                # Don't do this if $options['changed'] = false (null-edits) nor if
@@ -1798,7 +2084,11 @@ class WikiPage extends Page implements IDBAccessObject {
                }
 
                if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
-                       MessageCache::singleton()->replace( $shortTitle, $text );
+                       #XXX: could skip pseudo-messages like js/css here, based on content model.
+                       $msgtext = $content->getWikitextForTransclusion();
+                       if ( $msgtext === false || $msgtext === null ) $msgtext = '';
+
+                       MessageCache::singleton()->replace( $shortTitle, $msgtext );
                }
 
                if( $options['created'] ) {
@@ -1819,17 +2109,40 @@ class WikiPage extends Page implements IDBAccessObject {
         * @param $user User The relevant user
         * @param $comment String: comment submitted
         * @param $minor Boolean: whereas it's a minor modification
+        *
+        * @deprecated since 1.WD, use doEditContent() instead.
         */
        public function doQuickEdit( $text, User $user, $comment = '', $minor = 0 ) {
+               wfDeprecated( __METHOD__, "1.WD" );
+
+               $content = ContentHandler::makeContent( $text, $this->getTitle() );
+               return $this->doQuickEditContent( $content, $user, $comment , $minor );
+       }
+
+       /**
+        * Edit an article without doing all that other stuff
+        * The article must already exist; link tables etc
+        * are not updated, caches are not flushed.
+        *
+        * @param $content Content: content submitted
+        * @param $user User The relevant user
+        * @param $comment String: comment submitted
+        * @param $serialisation_format String: format for storing the content in the database
+        * @param $minor Boolean: whereas it's a minor modification
+        */
+       public function doQuickEditContent( Content $content, User $user, $comment = '', $minor = 0, $serialisation_format = null ) {
                wfProfileIn( __METHOD__ );
 
+               $serialized = $content->serialize( $serialisation_format );
+
                $dbw = wfGetDB( DB_MASTER );
                $revision = new Revision( array(
                        'page'       => $this->getId(),
-                       'text'       => $text,
+                       'text'       => $serialized,
+                       'length'     => $content->getSize(),
                        'comment'    => $comment,
                        'minor_edit' => $minor ? 1 : 0,
-               ) );
+               ) ); #XXX: set the content object?
                $revision->insertOn( $dbw );
                $this->updateRevisionOn( $dbw, $revision );
 
@@ -2112,7 +2425,7 @@ class WikiPage extends Page implements IDBAccessObject {
        public function doDeleteArticleReal(
                $reason, $suppress = false, $id = 0, $commit = true, &$error = '', User $user = null
        ) {
-               global $wgUser;
+               global $wgUser, $wgContentHandlerUseDB;
 
                wfDebug( __METHOD__ . "\n" );
 
@@ -2153,6 +2466,9 @@ class WikiPage extends Page implements IDBAccessObject {
                        $bitfield = 'rev_deleted';
                }
 
+               // we need to remember the old content so we can use it to generate all deletion updates.
+               $content = $this->getContent( Revision::RAW );
+
                $dbw = wfGetDB( DB_MASTER );
                $dbw->begin( __METHOD__ );
                // For now, shunt the revision data into the archive table.
@@ -2165,25 +2481,34 @@ class WikiPage extends Page implements IDBAccessObject {
                //
                // In the future, we may keep revisions and mark them with
                // the rev_deleted field, which is reserved for this purpose.
+
+               $row = array(
+                       'ar_namespace'  => 'page_namespace',
+                       'ar_title'      => 'page_title',
+                       'ar_comment'    => 'rev_comment',
+                       'ar_user'       => 'rev_user',
+                       'ar_user_text'  => 'rev_user_text',
+                       'ar_timestamp'  => 'rev_timestamp',
+                       'ar_minor_edit' => 'rev_minor_edit',
+                       'ar_rev_id'     => 'rev_id',
+                       'ar_parent_id'  => 'rev_parent_id',
+                       'ar_text_id'    => 'rev_text_id',
+                       'ar_text'       => '\'\'', // Be explicit to appease
+                       'ar_flags'      => '\'\'', // MySQL's "strict mode"...
+                       'ar_len'        => 'rev_len',
+                       'ar_page_id'    => 'page_id',
+                       'ar_deleted'    => $bitfield,
+                       'ar_sha1'       => 'rev_sha1',
+               );
+
+               if ( $wgContentHandlerUseDB ) {
+                       $row[ 'ar_content_model' ] = 'rev_content_model';
+                       $row[ 'ar_content_format' ] = 'rev_content_format';
+               }
+
                $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
+                       $row,
                        array(
-                               'ar_namespace'  => 'page_namespace',
-                               'ar_title'      => 'page_title',
-                               'ar_comment'    => 'rev_comment',
-                               'ar_user'       => 'rev_user',
-                               'ar_user_text'  => 'rev_user_text',
-                               'ar_timestamp'  => 'rev_timestamp',
-                               'ar_minor_edit' => 'rev_minor_edit',
-                               'ar_rev_id'     => 'rev_id',
-                               'ar_parent_id'  => 'rev_parent_id',
-                               'ar_text_id'    => 'rev_text_id',
-                               'ar_text'       => '\'\'', // Be explicit to appease
-                               'ar_flags'      => '\'\'', // MySQL's "strict mode"...
-                               'ar_len'        => 'rev_len',
-                               'ar_page_id'    => 'page_id',
-                               'ar_deleted'    => $bitfield,
-                               'ar_sha1'       => 'rev_sha1'
-                       ), array(
                                'page_id' => $id,
                                'page_id = rev_page'
                        ), __METHOD__
@@ -2199,7 +2524,7 @@ class WikiPage extends Page implements IDBAccessObject {
                        return $status;
                }
 
-               $this->doDeleteUpdates( $id );
+               $this->doDeleteUpdates( $id, $content );
 
                # Log the deletion, if the page was suppressed, log it at Oversight instead
                $logtype = $suppress ? 'suppress' : 'delete';
@@ -2224,13 +2549,15 @@ class WikiPage extends Page implements IDBAccessObject {
         * Do some database updates after deletion
         *
         * @param $id Int: page_id value of the page being deleted (B/C, currently unused)
+        * @param $content Content: optional page content to be used when determining the required updates.
+        *        This may be needed because $this->getContent() may already return null when the page proper was deleted.
         */
-       public function doDeleteUpdates( $id ) {
+       public function doDeleteUpdates( $id, Content $content = null ) {
                # update site status
                DeferredUpdates::addUpdate( new SiteStatsUpdate( 0, 1, - (int)$this->isCountable(), -1 ) );
 
                # remove secondary indexes, etc
-               $updates = $this->getDeletionUpdates( );
+               $updates = $this->getDeletionUpdates( $content );
                DataUpdate::runUpdates( $updates );
 
                # Clear caches
@@ -2243,16 +2570,6 @@ class WikiPage extends Page implements IDBAccessObject {
                $this->mTitle->resetArticleID( 0 );
        }
 
-       public function getDeletionUpdates() {
-               $updates = array(
-                       new LinksDeletionUpdate( $this ),
-               );
-
-               //@todo: make a hook to add update objects
-               //NOTE: deletion updates will be determined by the ContentHandler in the future
-               return $updates;
-       }
-
        /**
         * Roll back the most recent consecutive set of edits to a page
         * from the same user; fails if there are no eligible edits to
@@ -2421,7 +2738,12 @@ class WikiPage extends Page implements IDBAccessObject {
                }
 
                # Actually store the edit
-               $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId(), $guser );
+               $status = $this->doEditContent( $target->getContent(), $summary, $flags, $target->getId(), $guser );
+
+               if ( !$status->isOK() ) {
+                       return $status->getErrorsArray();
+               }
+
                if ( !empty( $status->value['revision'] ) ) {
                        $revId = $status->value['revision']->getId();
                } else {
@@ -2567,57 +2889,23 @@ class WikiPage extends Page implements IDBAccessObject {
 
        /**
        * Return an applicable autosummary if one exists for the given edit.
-       * @param $oldtext String: the previous text of the page.
-       * @param $newtext String: The submitted text of the page.
+       * @param $oldtext String|null: the previous text of the page.
+       * @param $newtext String|null: The submitted text of the page.
        * @param $flags Int bitmask: a bitmask of flags submitted for the edit.
        * @return string An appropriate autosummary, or an empty string.
+       *
+       * @deprecated since 1.WD, use ContentHandler::getAutosummary() instead
        */
        public static function getAutosummary( $oldtext, $newtext, $flags ) {
-               global $wgContLang;
-
-               # Decide what kind of autosummary is needed.
+               # NOTE: stub for backwards-compatibility. assumes the given text is wikitext. will break horribly if it isn't.
 
-               # Redirect autosummaries
-               $ot = Title::newFromRedirect( $oldtext );
-               $rt = Title::newFromRedirect( $newtext );
-
-               if ( is_object( $rt ) && ( !is_object( $ot ) || !$rt->equals( $ot ) || $ot->getFragment() != $rt->getFragment() ) ) {
-                       $truncatedtext = $wgContLang->truncate(
-                               str_replace( "\n", ' ', $newtext ),
-                               max( 0, 255
-                                       - strlen( wfMsgForContent( 'autoredircomment' ) )
-                                       - strlen( $rt->getFullText() )
-                               ) );
-                       return wfMsgForContent( 'autoredircomment', $rt->getFullText(), $truncatedtext );
-               }
-
-               # New page autosummaries
-               if ( $flags & EDIT_NEW && strlen( $newtext ) ) {
-                       # If they're making a new article, give its text, truncated, in the summary.
-
-                       $truncatedtext = $wgContLang->truncate(
-                               str_replace( "\n", ' ', $newtext ),
-                               max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ) );
-
-                       return wfMsgForContent( 'autosumm-new', $truncatedtext );
-               }
+               wfDeprecated( __METHOD__, '1.WD' );
 
-               # Blanking autosummaries
-               if ( $oldtext != '' && $newtext == '' ) {
-                       return wfMsgForContent( 'autosumm-blank' );
-               } elseif ( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500 ) {
-                       # Removing more than 90% of the article
+               $handler = ContentHandler::getForModelID( CONTENT_MODEL_WIKITEXT );
+               $oldContent = is_null( $oldtext ) ? null : $handler->unserializeContent( $oldtext );
+               $newContent = is_null( $newtext ) ? null : $handler->unserializeContent( $newtext );
 
-                       $truncatedtext = $wgContLang->truncate(
-                               $newtext,
-                               max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ) );
-
-                       return wfMsgForContent( 'autosumm-replace', $truncatedtext );
-               }
-
-               # If we reach this point, there's no applicable autosummary for our case, so our
-               # autosummary is empty.
-               return '';
+               return $handler->getAutosummary( $oldContent, $newContent, $flags );
        }
 
        /**
@@ -2628,91 +2916,7 @@ class WikiPage extends Page implements IDBAccessObject {
         *    if no revision occurred
         */
        public function getAutoDeleteReason( &$hasHistory ) {
-               global $wgContLang;
-
-               // Get the last revision
-               $rev = $this->getRevision();
-
-               if ( is_null( $rev ) ) {
-                       return false;
-               }
-
-               // Get the article's contents
-               $contents = $rev->getText();
-               $blank = false;
-
-               // If the page is blank, use the text from the previous revision,
-               // which can only be blank if there's a move/import/protect dummy revision involved
-               if ( $contents == '' ) {
-                       $prev = $rev->getPrevious();
-
-                       if ( $prev )    {
-                               $contents = $prev->getText();
-                               $blank = true;
-                       }
-               }
-
-               $dbw = wfGetDB( DB_MASTER );
-
-               // Find out if there was only one contributor
-               // Only scan the last 20 revisions
-               $res = $dbw->select( 'revision', 'rev_user_text',
-                       array( 'rev_page' => $this->getID(), $dbw->bitAnd( 'rev_deleted', Revision::DELETED_USER ) . ' = 0' ),
-                       __METHOD__,
-                       array( 'LIMIT' => 20 )
-               );
-
-               if ( $res === false ) {
-                       // This page has no revisions, which is very weird
-                       return false;
-               }
-
-               $hasHistory = ( $res->numRows() > 1 );
-               $row = $dbw->fetchObject( $res );
-
-               if ( $row ) { // $row is false if the only contributor is hidden
-                       $onlyAuthor = $row->rev_user_text;
-                       // Try to find a second contributor
-                       foreach ( $res as $row ) {
-                               if ( $row->rev_user_text != $onlyAuthor ) { // Bug 22999
-                                       $onlyAuthor = false;
-                                       break;
-                               }
-                       }
-               } else {
-                       $onlyAuthor = false;
-               }
-
-               // Generate the summary with a '$1' placeholder
-               if ( $blank ) {
-                       // The current revision is blank and the one before is also
-                       // blank. It's just not our lucky day
-                       $reason = wfMsgForContent( 'exbeforeblank', '$1' );
-               } else {
-                       if ( $onlyAuthor ) {
-                               $reason = wfMsgForContent( 'excontentauthor', '$1', $onlyAuthor );
-                       } else {
-                               $reason = wfMsgForContent( 'excontent', '$1' );
-                       }
-               }
-
-               if ( $reason == '-' ) {
-                       // Allow these UI messages to be blanked out cleanly
-                       return '';
-               }
-
-               // Replace newlines with spaces to prevent uglyness
-               $contents = preg_replace( "/[\n\r]/", ' ', $contents );
-               // Calculate the maximum amount of chars to get
-               // Max content length = max comment length - length of the comment (excl. $1)
-               $maxLength = 255 - ( strlen( $reason ) - 2 );
-               $contents = $wgContLang->truncate( $contents, $maxLength );
-               // Remove possible unfinished links
-               $contents = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $contents );
-               // Now replace the '$1' placeholder
-               $reason = str_replace( '$1', $contents, $reason );
-
-               return $reason;
+               return $this->getContentHandler()->getAutoDeleteReason( $this->getTitle(), $hasHistory );
        }
 
        /**
@@ -2953,6 +3157,31 @@ class WikiPage extends Page implements IDBAccessObject {
                global $wgUser;
                return $this->isParserCacheUsed( ParserOptions::newFromUser( $wgUser ), $oldid );
        }
+
+       /**
+        * Returns a list of updates to be performed when this page is deleted. The updates should remove any information
+        * about this page from secondary data stores such as links tables.
+        *
+        * @param Content|null $content optional Content object for determining the necessary updates
+        * @return Array an array of DataUpdates objects
+        */
+       public function getDeletionUpdates( Content $content = null ) {
+               if ( !$content ) {
+                       // load content object, which may be used to determine the necessary updates
+                       // XXX: the content may not be needed to determine the updates, then this would be overhead.
+                       $content = $this->getContent( Revision::RAW );
+               }
+
+               if ( !$content ) {
+                       $updates = array();
+               } else {
+                       $updates = $content->getDeletionUpdates( $this->mTitle );
+               }
+
+               wfRunHooks( 'WikiPageDeletionUpdates', array( $this, $content, &$updates ) );
+               return $updates;
+       }
+
 }
 
 class PoolWorkArticleView extends PoolCounterWork {
@@ -2978,9 +3207,9 @@ class PoolWorkArticleView extends PoolCounterWork {
        private $parserOptions;
 
        /**
-        * @var string|null
+        * @var Content|null
         */
-       private $text;
+       private $content = null;
 
        /**
         * @var ParserOutput|bool
@@ -3004,14 +3233,20 @@ class PoolWorkArticleView extends PoolCounterWork {
         * @param $revid Integer: ID of the revision being parsed
         * @param $useParserCache Boolean: whether to use the parser cache
         * @param $parserOptions parserOptions to use for the parse operation
-        * @param $text String: text to parse or null to load it
+        * @param $content Content|String: content to parse or null to load it; may also be given as a wikitext string, for BC
         */
-       function __construct( Page $page, ParserOptions $parserOptions, $revid, $useParserCache, $text = null ) {
+       function __construct( Page $page, ParserOptions $parserOptions, $revid, $useParserCache, $content = null ) {
+               if ( is_string($content) ) { #BC: old style call
+                       $modelId = $page->getRevision()->getContentModel();
+                       $format = $page->getRevision()->getContentFormat();
+                       $content = ContentHandler::makeContent( $content, $page->getTitle(), $modelId, $format );
+               }
+
                $this->page = $page;
                $this->revid = $revid;
                $this->cacheable = $useParserCache;
                $this->parserOptions = $parserOptions;
-               $this->text = $text;
+               $this->content = $content;
                $this->cacheKey = ParserCache::singleton()->getKey( $page, $parserOptions );
                parent::__construct( 'ArticleView', $this->cacheKey . ':revid:' . $revid );
        }
@@ -3047,25 +3282,30 @@ class PoolWorkArticleView extends PoolCounterWork {
         * @return bool
         */
        function doWork() {
-               global $wgParser, $wgUseFileCache;
+               global $wgUseFileCache;
+
+               // @todo: several of the methods called on $this->page are not declared in Page, but present
+               //        in WikiPage and delegated by Article.
 
                $isCurrent = $this->revid === $this->page->getLatest();
 
-               if ( $this->text !== null ) {
-                       $text = $this->text;
+               if ( $this->content !== null ) {
+                       $content = $this->content;
                } elseif ( $isCurrent ) {
-                       $text = $this->page->getRawText();
+                       #XXX: why use RAW audience here, and PUBLIC (default) below?
+                       $content = $this->page->getContent( Revision::RAW );
                } else {
                        $rev = Revision::newFromTitle( $this->page->getTitle(), $this->revid );
                        if ( $rev === null ) {
                                return false;
                        }
-                       $text = $rev->getText();
+
+                       #XXX: why use PUBLIC audience here (default), and RAW above?
+                       $content = $rev->getContent();
                }
 
                $time = - microtime( true );
-               $this->parserOutput = $wgParser->parse( $text, $this->page->getTitle(),
-                       $this->parserOptions, true, true, $this->revid );
+               $this->parserOutput = $content->getParserOutput( $this->page->getTitle(), $this->revid, $this->parserOptions );
                $time += microtime( true );
 
                # Timing hack
@@ -3134,3 +3374,4 @@ class PoolWorkArticleView extends PoolCounterWork {
                return false;
        }
 }
+
index 08a33f4..1c97b26 100644 (file)
@@ -71,4 +71,4 @@ class SubmitAction extends EditAction {
                parent::show();
        }
 
-}
+}
\ No newline at end of file
index 174ca3f..394625f 100644 (file)
@@ -148,11 +148,20 @@ class RawAction extends FormlessAction {
                                $request->response()->header( "Last-modified: $lastmod" );
 
                                // Public-only due to cache headers
-                               $text = $rev->getText();
+                               $content = $rev->getContent();
+
+                               if ( !$content instanceof TextContent ) {
+                                       wfHttpError( 406, "Not Acceptable", "The requested page uses the content model `"
+                                                                                                               . $content->getModel() . "` which is not supported via this interface." );
+                                       die();
+                               }
+
                                $section = $request->getIntOrNull( 'section' );
                                if ( $section !== null ) {
-                                       $text = $wgParser->getSection( $text, $section );
+                                       $content = $content->getSection( $section );
                                }
+
+                               $text = $content->getNativeData();
                        }
                }
 
index 0d9a902..8d9127e 100644 (file)
@@ -71,25 +71,18 @@ class RollbackAction extends FormlessAction {
                        return;
                }
 
-               # Display permissions errors before read-only message -- there's no
-               # point in misleading the user into thinking the inability to rollback
-               # is only temporary.
-               if ( !empty( $result ) && $result !== array( array( 'readonlytext' ) ) ) {
-                       # array_diff is completely broken for arrays of arrays, sigh.
-                       # Remove any 'readonlytext' error manually.
-                       $out = array();
-                       foreach ( $result as $error ) {
-                               if ( $error != array( 'readonlytext' ) ) {
-                                       $out [] = $error;
-                               }
-                       }
-                       throw new PermissionsError( 'rollback', $out );
-               }
+               #NOTE: Permission errors already handled by Action::checkExecute.
 
                if ( $result == array( array( 'readonlytext' ) ) ) {
                        throw new ReadOnlyError;
                }
 
+               #XXX: Would be nice if ErrorPageError could take multiple errors, and/or a status object.
+               #     Right now, we only show the first error
+               foreach ( $result as $error ) {
+                       throw new ErrorPageError( 'rollbackfailed', $error[0], array_slice( $error, 1 ) );
+               }
+
                $current = $details['current'];
                $target = $details['target'];
                $newId = $details['newid'];
@@ -109,7 +102,8 @@ class RollbackAction extends FormlessAction {
                $this->getOutput()->returnToMain( false, $this->getTitle() );
 
                if ( !$request->getBool( 'hidediff', false ) && !$this->getUser()->getBoolOption( 'norollbackdiff', false ) ) {
-                       $de = new DifferenceEngine( $this->getContext(), $current->getId(), $newId, false, true );
+                       $contentHandler = $current->getContentHandler();
+                       $de = $contentHandler->createDifferenceEngine( $this->getContext(), $current->getId(), $newId, false, true );
                        $de->showDiff( '', '' );
                }
        }
index ed72b29..6741259 100644 (file)
@@ -35,7 +35,15 @@ class ApiComparePages extends ApiBase {
                $rev1 = $this->revisionOrTitleOrId( $params['fromrev'], $params['fromtitle'], $params['fromid'] );
                $rev2 = $this->revisionOrTitleOrId( $params['torev'], $params['totitle'], $params['toid'] );
 
-               $de = new DifferenceEngine( $this->getContext(),
+               $revision = Revision::newFromId( $rev1 );
+
+               if ( !$revision ) {
+                       $this->dieUsage( 'The diff cannot be retrieved, ' .
+                               'one revision does not exist or you do not have permission to view it.', 'baddiff' );
+               }
+
+               $contentHandler = $revision->getContentHandler();
+               $de = $contentHandler->createDifferenceEngine( $this->getContext(),
                        $rev1,
                        $rev2,
                        null, // rcid
index 2d36f19..7e1d1b1 100644 (file)
@@ -116,7 +116,7 @@ class ApiDelete extends ApiBase {
                        // Need to pass a throwaway variable because generateReason expects
                        // a reference
                        $hasHistory = false;
-                       $reason = $page->getAutoDeleteReason( $hasHistory );
+                       $reason = $page->getAutoDeleteReason( $hasHistory ); 
                        if ( $reason === false ) {
                                return array( array( 'cannotdelete', $title->getPrefixedText() ) );
                        }
index 3be4b00..a611c9f 100644 (file)
@@ -54,13 +54,35 @@ class ApiEditPage extends ApiBase {
                        $this->dieUsageMsg( array( 'invalidtitle', $params['title'] ) );
                }
 
+               if ( !isset( $params['contentmodel'] ) || $params['contentmodel'] == '' ) {
+                       $contentHandler = $pageObj->getContentHandler();
+               } else {
+                       $contentHandler = ContentHandler::getForModelID( $params['contentmodel'] );
+               }
+
+               // @todo ask handler whether direct editing is supported at all! make allowFlatEdit() method or some such
+
+               if ( !isset( $params['contentformat'] ) || $params['contentformat'] == '' ) {
+                       $params['contentformat'] = $contentHandler->getDefaultFormat();
+               }
+
+               $contentFormat = $params['contentformat'];
+
+               if ( !$contentHandler->isSupportedFormat( $contentFormat ) ) {
+                       $name = $titleObj->getPrefixedDBkey();
+                       $model = $contentHandler->getModelID();
+
+                       $this->dieUsage( "The requested format $contentFormat is not supported for content model ".
+                                                       " $model used by $name", 'badformat' );
+               }
+
                $apiResult = $this->getResult();
 
                if ( $params['redirect'] ) {
                        if ( $titleObj->isRedirect() ) {
                                $oldTitle = $titleObj;
 
-                               $titles = Title::newFromRedirectArray( Revision::newFromTitle( $oldTitle )->getText( Revision::FOR_THIS_USER ) );
+                               $titles = Revision::newFromTitle( $oldTitle )->getContent( Revision::FOR_THIS_USER )->getRedirectChain();
                                // array_shift( $titles );
 
                                $redirValues = array();
@@ -99,31 +121,59 @@ class ApiEditPage extends ApiBase {
                        $this->dieUsageMsg( $errors[0] );
                }
 
-               $articleObj = Article::newFromTitle( $titleObj, $this->getContext() );
-
                $toMD5 = $params['text'];
                if ( !is_null( $params['appendtext'] ) || !is_null( $params['prependtext'] ) )
                {
-                       // For non-existent pages, Article::getContent()
-                       // returns an interface message rather than ''
-                       // We do want getContent()'s behavior for non-existent
-                       // MediaWiki: pages, though
-                       if ( $articleObj->getID() == 0 && $titleObj->getNamespace() != NS_MEDIAWIKI ) {
-                               $content = '';
-                       } else {
-                               $content = $articleObj->getContent();
+                       $content = $pageObj->getContent();
+
+                       if ( !( $content instanceof TextContent ) ) {
+                               // @todo: ContentHandler should have an isFlat() method or some such
+                               // @todo: XXX: or perhaps there should be Content::append(), Content::prepend()
+                               // @todo: ...and Content::supportsConcatenation()
+                               $mode = $contentHandler->getModelID();
+                               $this->dieUsage( "Can't append to pages using content model $mode", 'appendnotsupported' );
+                       }
+
+                       if ( !$content ) {
+                               # If this is a MediaWiki:x message, then load the messages
+                               # and return the message value for x.
+                               if ( $titleObj->getNamespace() == NS_MEDIAWIKI ) {
+                                       $text = $titleObj->getDefaultMessageText();
+                                       if ( $text === false ) {
+                                               $text = '';
+                                       }
+
+                                       try {
+                                               $content = ContentHandler::makeContent( $text, $this->getTitle() );
+                                       } catch ( MWContentSerializationException $ex ) {
+                                               $this->dieUsage( $ex->getMessage(), 'parseerror' );
+                                               return;
+                                       }
+                               }
                        }
 
                        if ( !is_null( $params['section'] ) ) {
+                               if ( !$contentHandler->supportsSections() ) {
+                                       $modelName = $contentHandler->getModelID();
+                                       $this->dieUsage( "Sections are not supported for this content model: $modelName.", 'sectionsnotsupported' );
+                               }
+
                                // Process the content for section edits
-                               global $wgParser;
                                $section = intval( $params['section'] );
-                               $content = $wgParser->getSection( $content, $section, false );
-                               if ( $content === false ) {
+                               $content = $content->getSection( $section );
+
+                               if ( !$content ) {
                                        $this->dieUsage( "There is no section {$section}.", 'nosuchsection' );
                                }
                        }
-                       $params['text'] = $params['prependtext'] . $content . $params['appendtext'];
+
+                       if ( !$content ) {
+                               $text = '';
+                       } else {
+                               $text = $content->serialize( $contentFormat );
+                       }
+
+                       $params['text'] = $params['prependtext'] . $text . $params['appendtext'];
                        $toMD5 = $params['prependtext'] . $params['appendtext'];
                }
 
@@ -147,18 +197,21 @@ class ApiEditPage extends ApiBase {
                                $this->dieUsageMsg( array( 'nosuchrevid', $params['undoafter'] ) );
                        }
 
-                       if ( $undoRev->getPage() != $articleObj->getID() ) {
+                       if ( $undoRev->getPage() != $pageObj->getID() ) {
                                $this->dieUsageMsg( array( 'revwrongpage', $undoRev->getID(), $titleObj->getPrefixedText() ) );
                        }
-                       if ( $undoafterRev->getPage() != $articleObj->getID() ) {
+                       if ( $undoafterRev->getPage() != $pageObj->getID() ) {
                                $this->dieUsageMsg( array( 'revwrongpage', $undoafterRev->getID(), $titleObj->getPrefixedText() ) );
                        }
 
-                       $newtext = $articleObj->getUndoText( $undoRev, $undoafterRev );
-                       if ( $newtext === false ) {
+                       $newContent = $contentHandler->getUndoContent( $pageObj->getRevision(), $undoRev, $undoafterRev );
+
+                       if ( !$newContent ) {
                                $this->dieUsageMsg( 'undo-failure' );
                        }
-                       $params['text'] = $newtext;
+
+                       $params['text'] = $newContent->serialize( $params['contentformat'] );
+
                        // If no summary was given and we only undid one rev,
                        // use an autosummary
                        if ( is_null( $params['summary'] ) && $titleObj->getNextRevisionID( $undoafterRev->getID() ) == $params['undo'] ) {
@@ -175,6 +228,8 @@ class ApiEditPage extends ApiBase {
                // That interface kind of sucks, but it's workable
                $requestArray = array(
                        'wpTextbox1' => $params['text'],
+                       'format' => $contentFormat,
+                       'model' => $contentHandler->getModelID(),
                        'wpEditToken' => $params['token'],
                        'wpIgnoreBlankSummary' => ''
                );
@@ -192,7 +247,7 @@ class ApiEditPage extends ApiBase {
                if ( !is_null( $params['basetimestamp'] ) && $params['basetimestamp'] != '' ) {
                        $requestArray['wpEdittime'] = wfTimestamp( TS_MW, $params['basetimestamp'] );
                } else {
-                       $requestArray['wpEdittime'] = $articleObj->getTimestamp();
+                       $requestArray['wpEdittime'] = $pageObj->getTimestamp();
                }
 
                if ( !is_null( $params['starttimestamp'] ) && $params['starttimestamp'] != '' ) {
@@ -240,7 +295,9 @@ class ApiEditPage extends ApiBase {
                // TODO: Make them not or check if they still do
                $wgTitle = $titleObj;
 
-               $ep = new EditPage( $articleObj );
+               $articleObject = new Article( $titleObj );
+               $ep = new EditPage( $articleObject );
+
                $ep->setContextTitle( $titleObj );
                $ep->importFormData( $req );
 
@@ -258,7 +315,7 @@ class ApiEditPage extends ApiBase {
                }
 
                // Do the actual save
-               $oldRevId = $articleObj->getRevIdFetched();
+               $oldRevId = $articleObject->getRevIdFetched();
                $result = null;
                // Fake $wgRequest for some hooks inside EditPage
                // @todo FIXME: This interface SUCKS
@@ -274,6 +331,9 @@ class ApiEditPage extends ApiBase {
                        case EditPage::AS_HOOK_ERROR_EXPECTED:
                                $this->dieUsageMsg( 'hookaborted' );
 
+                       case EditPage::AS_PARSE_ERROR:
+                               $this->dieUsage( $status->getMessage(), 'parseerror' );
+
                        case EditPage::AS_IMAGE_REDIRECT_ANON:
                                $this->dieUsageMsg( 'noimageredirect-anon' );
 
@@ -325,14 +385,15 @@ class ApiEditPage extends ApiBase {
                                $r['result'] = 'Success';
                                $r['pageid'] = intval( $titleObj->getArticleID() );
                                $r['title'] = $titleObj->getPrefixedText();
-                               $newRevId = $articleObj->getLatest();
+                               $r['contentmodel'] = $titleObj->getContentModel();
+                               $newRevId = $articleObject->getLatest();
                                if ( $newRevId == $oldRevId ) {
                                        $r['nochange'] = '';
                                } else {
                                        $r['oldrevid'] = intval( $oldRevId );
                                        $r['newrevid'] = intval( $newRevId );
                                        $r['newtimestamp'] = wfTimestamp( TS_ISO_8601,
-                                               $articleObj->getTimestamp() );
+                                               $pageObj->getTimestamp() );
                                }
                                break;
 
@@ -376,6 +437,7 @@ class ApiEditPage extends ApiBase {
                                array( 'undo-failure' ),
                                array( 'hashcheckfailed' ),
                                array( 'hookaborted' ),
+                               array( 'code' => 'parseerror', 'info' => 'Failed to parse the given text.' ),
                                array( 'noimageredirect-anon' ),
                                array( 'noimageredirect-logged' ),
                                array( 'spamdetected', 'spam' ),
@@ -393,6 +455,13 @@ class ApiEditPage extends ApiBase {
                                array( 'unknownerror', 'retval' ),
                                array( 'code' => 'nosuchsection', 'info' => 'There is no section section.' ),
                                array( 'code' => 'invalidsection', 'info' => 'The section parameter must be set to an integer or \'new\'' ),
+                               array( 'code' => 'sectionsnotsupported', 'info' => 'Sections are not supported for this type of page.' ),
+                               array( 'code' => 'editnotsupported', 'info' => 'Editing of this type of page is not supported using '
+                                                                                                                               . 'the text based edit API.' ),
+                               array( 'code' => 'appendnotsupported', 'info' => 'This type of page can not be edited by appending '
+                                                                                                                               . 'or prepending text.' ),
+                               array( 'code' => 'badformat', 'info' => 'The requested serialization format can not be applied to '
+                                                                                                               . 'the page\'s content model' ),
                                array( 'customcssprotected' ),
                                array( 'customjsprotected' ),
                        )
@@ -456,6 +525,12 @@ class ApiEditPage extends ApiBase {
                                ApiBase::PARAM_TYPE => 'boolean',
                                ApiBase::PARAM_DFLT => false,
                        ),
+                       'contentformat' => array(
+                               ApiBase::PARAM_TYPE => ContentHandler::getAllContentFormats(),
+                       ),
+                       'contentmodel' => array(
+                               ApiBase::PARAM_TYPE => ContentHandler::getContentModels(),
+                       )
                );
        }
 
@@ -494,6 +569,8 @@ class ApiEditPage extends ApiBase {
                        'undo' => "Undo this revision. Overrides {$p}text, {$p}prependtext and {$p}appendtext",
                        'undoafter' => 'Undo all revisions from undo to this one. If not set, just undo one revision',
                        'redirect' => 'Automatically resolve redirects',
+                       'contentformat' => 'Content serialization format used for the input text',
+                       'contentmodel' => 'Content model of the new content',
                );
        }
 
diff --git a/includes/api/ApiFormatNone.php b/includes/api/ApiFormatNone.php
new file mode 100644 (file)
index 0000000..31c90e1
--- /dev/null
@@ -0,0 +1,51 @@
+<?php
+/**
+ *
+ *
+ * Created on Oct 22, 2006
+ *
+ * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * API Serialized PHP output formatter
+ * @ingroup API
+ */
+class ApiFormatNone extends ApiFormatBase {
+
+       public function __construct( $main, $format ) {
+               parent::__construct( $main, $format );
+       }
+
+       public function getMimeType() {
+               return 'text/plain';
+       }
+
+       public function execute() {
+       }
+
+       public function getDescription() {
+               return 'Output nothing' . parent::getDescription();
+       }
+
+       public function getVersion() {
+               return __CLASS__ . ': $Id$';
+       }
+}
index 420acd3..2deabb3 100644 (file)
@@ -105,6 +105,7 @@ class ApiMain extends ApiBase {
                'dbgfm' => 'ApiFormatDbg',
                'dump' => 'ApiFormatDump',
                'dumpfm' => 'ApiFormatDump',
+               'none' => 'ApiFormatNone',
        );
 
        /**
index c63ae8a..ca5fe7e 100644 (file)
  * @ingroup API
  */
 class ApiParse extends ApiBase {
-       private $section, $text, $pstText = null;
+
+       /** @var String $section */
+       private $section = null;
+
+       /** @var Content $content */
+       private $content = null;
+
+       /** @var Content $pstContent */
+       private $pstContent = null;
 
        public function __construct( $main, $action ) {
                parent::__construct( $main, $action );
@@ -44,6 +52,9 @@ class ApiParse extends ApiBase {
                $pageid = $params['pageid'];
                $oldid = $params['oldid'];
 
+               $model = $params['contentmodel'];
+               $format = $params['contentformat'];
+
                if ( !is_null( $page ) && ( !is_null( $text ) || $title != 'API' ) ) {
                        $this->dieUsage( 'The page parameter cannot be used together with the text and title parameters', 'params' );
                }
@@ -95,17 +106,17 @@ class ApiParse extends ApiBase {
                                // If for some reason the "oldid" is actually the current revision, it may be cached
                                if ( $titleObj->getLatestRevID() === intval( $oldid ) )  {
                                        // May get from/save to parser cache
-                                       $p_result = $this->getParsedSectionOrText( $titleObj, $popts, $pageid,
-                                                isset( $prop['wikitext'] ) ) ;
+                                       $pageObj = WikiPage::factory( $titleObj );
+                                       $p_result = $this->getParsedContent( $pageObj, $popts, $pageid, isset( $prop['wikitext'] ) ) ;
                                } else { // This is an old revision, so get the text differently
-                                       $this->text = $rev->getText( Revision::FOR_THIS_USER, $this->getUser() );
+                                       $this->content = $rev->getContent( Revision::FOR_THIS_USER, $this->getUser() );
 
                                        if ( $this->section !== false ) {
-                                               $this->text = $this->getSectionText( $this->text, 'r' . $rev->getId() );
+                                               $this->content = $this->getSectionContent( $this->content, 'r' . $rev->getId() );
                                        }
 
                                        // Should we save old revision parses to the parser cache?
-                                       $p_result = $wgParser->parse( $this->text, $titleObj, $popts );
+                                       $p_result = $this->content->getParserOutput( $titleObj, $popts );
                                }
                        } else { // Not $oldid, but $pageid or $page
                                if ( $params['redirects'] ) {
@@ -153,43 +164,54 @@ class ApiParse extends ApiBase {
                                        $oldid = $titleObj->getLatestRevID();
                                }
 
+                               $pageObj = WikiPage::factory( $titleObj );
+
                                // Potentially cached
-                               $p_result = $this->getParsedSectionOrText( $titleObj, $popts, $pageid,
-                                        isset( $prop['wikitext'] ) ) ;
+                               $p_result = $this->getParsedContent( $pageObj, $popts, $pageid, isset( $prop['wikitext'] ) ) ;
                        }
                } else { // Not $oldid, $pageid, $page. Hence based on $text
-
-                       if ( is_null( $text ) ) {
-                               $this->dieUsage( 'The text parameter should be passed with the title parameter. Should you be using the "page" parameter instead?', 'params' );
-                       }
-                       $this->text = $text;
                        $titleObj = Title::newFromText( $title );
                        if ( !$titleObj ) {
                                $this->dieUsageMsg( array( 'invalidtitle', $title ) );
                        }
                        $wgTitle = $titleObj;
 
+                       if ( is_null( $text ) ) {
+                               $this->dieUsage( 'The text parameter should be passed with the title parameter. Should you be using the "page" parameter instead?', 'params' );
+                       }
+
+                       try {
+                               $this->content = ContentHandler::makeContent( $text, $titleObj, $model, $format );
+                       } catch ( MWContentSerializationException $ex ) {
+                               $this->dieUsage( $ex->getMessage(), 'parseerror' );
+                       }
+
                        if ( $this->section !== false ) {
-                               $this->text = $this->getSectionText( $this->text, $titleObj->getText() );
+                               $this->content = $this->getSectionContent( $this->content, $titleObj->getText() );
                        }
 
                        if ( $params['pst'] || $params['onlypst'] ) {
-                               $this->pstText = $wgParser->preSaveTransform( $this->text, $titleObj, $this->getUser(), $popts );
+                               $this->pstContent = $this->content->preSaveTransform( $titleObj, $this->getUser(), $popts );
                        }
                        if ( $params['onlypst'] ) {
                                // Build a result and bail out
                                $result_array = array();
                                $result_array['text'] = array();
-                               $result->setContent( $result_array['text'], $this->pstText );
+                               $result->setContent( $result_array['text'], $this->pstContent->serialize( $format ) );
                                if ( isset( $prop['wikitext'] ) ) {
                                        $result_array['wikitext'] = array();
-                                       $result->setContent( $result_array['wikitext'], $this->text );
+                                       $result->setContent( $result_array['wikitext'], $this->content->serialize( $format ) );
                                }
                                $result->addValue( null, $this->getModuleName(), $result_array );
                                return;
                        }
+
                        // Not cached (save or load)
-                       $p_result = $wgParser->parse( $params['pst'] ? $this->pstText : $this->text, $titleObj, $popts );
+                       if ( $params['pst'] ) {
+                               $p_result = $this->pstContent->getParserOutput( $titleObj, $popts );
+                       } else {
+                               $p_result = $this->content->getParserOutput( $titleObj, $popts );
+                       }
                }
 
                $result_array = array();
@@ -279,10 +301,10 @@ class ApiParse extends ApiBase {
 
                if ( isset( $prop['wikitext'] ) ) {
                        $result_array['wikitext'] = array();
-                       $result->setContent( $result_array['wikitext'], $this->text );
-                       if ( !is_null( $this->pstText ) ) {
+                       $result->setContent( $result_array['wikitext'], $this->content->serialize( $format ) );
+                       if ( !is_null( $this->pstContent ) ) {
                                $result_array['psttext'] = array();
-                               $result->setContent( $result_array['psttext'], $this->pstText );
+                               $result->setContent( $result_array['psttext'], $this->pstContent->serialize( $format ) );
                        }
                }
                if ( isset( $prop['properties'] ) ) {
@@ -290,8 +312,12 @@ class ApiParse extends ApiBase {
                }
 
                if ( $params['generatexml'] ) {
+                       if ( $this->content->getModel() != CONTENT_MODEL_WIKITEXT ) {
+                               $this->dieUsage( "generatexml is only supported for wikitext content", "notwikitext" );
+                       }
+
                        $wgParser->startExternalParse( $titleObj, $popts, OT_PREPROCESS );
-                       $dom = $wgParser->preprocessToDom( $this->text );
+                       $dom = $wgParser->preprocessToDom( $this->content->getNativeData() );
                        if ( is_callable( array( $dom, 'saveXML' ) ) ) {
                                $xml = $dom->saveXML();
                        } else {
@@ -323,23 +349,21 @@ class ApiParse extends ApiBase {
        }
 
        /**
-        * @param $titleObj Title
+        * @param $page WikiPage
         * @param $popts ParserOptions
         * @param $pageId Int
         * @param $getWikitext Bool
         * @return ParserOutput
         */
-       private function getParsedSectionOrText( $titleObj, $popts, $pageId = null, $getWikitext = false ) {
-               global $wgParser;
-
-               $page = WikiPage::factory( $titleObj );
+       private function getParsedContent( WikiPage $page, $popts, $pageId = null, $getWikitext = false ) {
+               $this->content = $page->getContent( Revision::RAW ); //XXX: really raw?
 
                if ( $this->section !== false ) {
-                       $this->text = $this->getSectionText( $page->getRawText(), !is_null( $pageId )
-                                       ? 'page id ' . $pageId : $titleObj->getText() );
+                       $this->content = $this->getSectionContent( $this->content, !is_null( $pageId )
+                                                                                                               ? 'page id ' . $pageId : $page->getTitle()->getText() );
 
                        // Not cached (save or load)
-                       return $wgParser->parse( $this->text, $titleObj, $popts );
+                       return $this->content->getParserOutput( $page->getTitle(), $popts );
                } else {
                        // Try the parser cache first
                        // getParserOutput will save to Parser cache if able
@@ -348,20 +372,23 @@ class ApiParse extends ApiBase {
                                $this->dieUsage( "There is no revision ID {$page->getLatest()}", 'missingrev' );
                        }
                        if ( $getWikitext ) {
-                               $this->text = $page->getRawText();
+                               $this->content = $page->getContent( Revision::RAW );
                        }
                        return $pout;
                }
        }
 
-       private function getSectionText( $text, $what ) {
-               global $wgParser;
+       private function getSectionContent( Content $content, $what ) {
                // Not cached (save or load)
-               $text = $wgParser->getSection( $text, $this->section, false );
-               if ( $text === false ) {
+               $section = $content->getSection( $this->section );
+               if ( $section === false ) {
                        $this->dieUsage( "There is no section {$this->section} in " . $what, 'nosuchsection' );
                }
-               return $text;
+               if ( $section === null ) {
+                       $this->dieUsage( "Sections are not supported by " . $what, 'nosuchsection' );
+                       $section = false;
+               }
+               return $section;
        }
 
        private function formatLangLinks( $links ) {
@@ -554,6 +581,12 @@ class ApiParse extends ApiBase {
                        'section' => null,
                        'disablepp' => false,
                        'generatexml' => false,
+                       'contentformat' => array(
+                               ApiBase::PARAM_TYPE => ContentHandler::getAllContentFormats(),
+                       ),
+                       'contentmodel' => array(
+                               ApiBase::PARAM_TYPE => ContentHandler::getContentModels(),
+                       )
                );
        }
 
@@ -599,6 +632,8 @@ class ApiParse extends ApiBase {
                        'section' => 'Only retrieve the content of this section number',
                        'disablepp' => 'Disable the PP Report from the parser output',
                        'generatexml' => 'Generate XML parse tree',
+                       'contentformat' => 'Content serialization format used for the input text',
+                       'contentmodel' => 'Content model of the new content',
                );
        }
 
@@ -619,6 +654,8 @@ class ApiParse extends ApiBase {
                        array( 'code' => 'nosuchsection', 'info' => 'There is no section sectionnumber in page' ),
                        array( 'nosuchpageid' ),
                        array( 'invalidtitle', 'title' ),
+                       array( 'code' => 'parseerror', 'info' => 'Failed to parse the given text.' ),
+                       array( 'code' => 'notwikitext', 'info' => 'The requested operation is only supported on wikitext content.' ),
                ) );
        }
 
index 9fedaf1..3cf32ad 100644 (file)
@@ -86,14 +86,17 @@ class ApiPurge extends ApiBase {
 
                        if( $forceLinkUpdate ) {
                                if ( !$user->pingLimiter() ) {
-                                       global $wgParser, $wgEnableParserCache;
+                                       global $wgEnableParserCache;
 
                                        $popts = $page->makeParserOptions( 'canonical' );
-                                       $p_result = $wgParser->parse( $page->getRawText(), $title, $popts,
-                                               true, true, $page->getLatest() );
+                                       $popts->setTidy( true );
+
+                                       # Parse content; note that HTML generation is only needed if we want to cache the result.
+                                       $content = $page->getContent( Revision::RAW );
+                                       $p_result = $content->getParserOutput( $title, $page->getLatest(), $popts, $wgEnableParserCache );
 
                                        # Update the links tables
-                                       $updates = $p_result->getSecondaryDataUpdates( $title );
+                                       $updates = $content->getSecondaryDataUpdates( $title, null, true, $p_result );
                                        DataUpdate::runUpdates( $updates );
 
                                        $r['linkupdate'] = '';
index b89a8ea..d6b556d 100644 (file)
 class ApiQueryRevisions extends ApiQueryBase {
 
        private $diffto, $difftotext, $expandTemplates, $generateXML, $section,
-               $token, $parseContent;
+               $token, $parseContent, $contentFormat;
 
        public function __construct( $query, $moduleName ) {
                parent::__construct( $query, $moduleName, 'rv' );
        }
 
-       private $fld_ids = false, $fld_flags = false, $fld_timestamp = false, $fld_size = false,
+       private $fld_ids = false, $fld_flags = false, $fld_timestamp = false, $fld_size = false, $fld_sha1 = false,
                        $fld_comment = false, $fld_parsedcomment = false, $fld_user = false, $fld_userid = false,
-                       $fld_content = false, $fld_tags = false;
+                       $fld_content = false, $fld_tags = false, $fld_contentmodel = false;
 
        private $tokenFunctions;
 
@@ -155,10 +155,15 @@ class ApiQueryRevisions extends ApiQueryBase {
                $this->fld_parsedcomment = isset ( $prop['parsedcomment'] );
                $this->fld_size = isset ( $prop['size'] );
                $this->fld_sha1 = isset ( $prop['sha1'] );
+               $this->fld_contentmodel = isset ( $prop['contentmodel'] );
                $this->fld_userid = isset( $prop['userid'] );
                $this->fld_user = isset ( $prop['user'] );
                $this->token = $params['token'];
 
+               if ( !empty( $params['contentformat'] ) ) {
+                       $this->contentFormat = $params['contentformat'];
+               }
+
                // Possible indexes used
                $index = array();
 
@@ -441,6 +446,10 @@ class ApiQueryRevisions extends ApiQueryBase {
                        }
                }
 
+               if ( $this->fld_contentmodel ) {
+                       $vals['contentmodel'] = $revision->getContentModel();
+               }
+
                if ( $this->fld_comment || $this->fld_parsedcomment ) {
                        if ( $revision->isDeleted( Revision::DELETED_COMMENT ) ) {
                                $vals['commenthidden'] = '';
@@ -479,39 +488,79 @@ class ApiQueryRevisions extends ApiQueryBase {
                        }
                }
 
-               $text = null;
+               $content = null;
                global $wgParser;
                if ( $this->fld_content || !is_null( $this->difftotext ) ) {
-                       $text = $revision->getText();
+                       $content = $revision->getContent();
                        // Expand templates after getting section content because
                        // template-added sections don't count and Parser::preprocess()
                        // will have less input
                        if ( $this->section !== false ) {
-                               $text = $wgParser->getSection( $text, $this->section, false );
-                               if ( $text === false ) {
+                               $content = $content->getSection( $this->section, false );
+                               if ( !$content ) {
                                        $this->dieUsage( "There is no section {$this->section} in r" . $revision->getId(), 'nosuchsection' );
                                }
                        }
                }
                if ( $this->fld_content && !$revision->isDeleted( Revision::DELETED_TEXT ) ) {
+                       $text = null;
+
                        if ( $this->generateXML ) {
-                               $wgParser->startExternalParse( $title, ParserOptions::newFromContext( $this->getContext() ), OT_PREPROCESS );
-                               $dom = $wgParser->preprocessToDom( $text );
-                               if ( is_callable( array( $dom, 'saveXML' ) ) ) {
-                                       $xml = $dom->saveXML();
+                               if ( $content->getModel() === CONTENT_MODEL_WIKITEXT ) {
+                                       $t = $content->getNativeData(); # note: don't set $text
+
+                                       $wgParser->startExternalParse( $title, ParserOptions::newFromContext( $this->getContext() ), OT_PREPROCESS );
+                                       $dom = $wgParser->preprocessToDom( $t );
+                                       if ( is_callable( array( $dom, 'saveXML' ) ) ) {
+                                               $xml = $dom->saveXML();
+                                       } else {
+                                               $xml = $dom->__toString();
+                                       }
+                                       $vals['parsetree'] = $xml;
                                } else {
-                                       $xml = $dom->__toString();
+                                       $this->setWarning( "Conversion to XML is supported for wikitext only, " .
+                                                                               $title->getPrefixedDBkey() .
+                                                                               " uses content model " . $content->getModel() . ")" );
                                }
-                               $vals['parsetree'] = $xml;
-
                        }
+
                        if ( $this->expandTemplates && !$this->parseContent ) {
-                               $text = $wgParser->preprocess( $text, $title, ParserOptions::newFromContext( $this->getContext() ) );
+                               #XXX: implement template expansion for all content types in ContentHandler?
+                               if ( $content->getModel() === CONTENT_MODEL_WIKITEXT ) {
+                                       $text = $content->getNativeData();
+
+                                       $text = $wgParser->preprocess( $text, $title, ParserOptions::newFromContext( $this->getContext() ) );
+                               } else {
+                                       $this->setWarning( "Template expansion is supported for wikitext only, " .
+                                               $title->getPrefixedDBkey() .
+                                               " uses content model " . $content->getModel() . ")" );
+
+                                       $text = false;
+                               }
                        }
                        if ( $this->parseContent ) {
-                               $text = $wgParser->parse( $text, $title, ParserOptions::newFromContext( $this->getContext() ) )->getText();
+                               $po = $content->getParserOutput( $title, ParserOptions::newFromContext( $this->getContext() ) );
+                               $text = $po->getText();
+                       }
+
+                       if ( $text === null ) {
+                               $format = $this->contentFormat ? $this->contentFormat : $content->getDefaultFormat();
+
+                               if ( !$content->isSupportedFormat( $format ) ) {
+                                       $model = $content->getModel();
+                                       $name = $title->getPrefixedDBkey();
+
+                                       $this->dieUsage( "The requested format {$this->contentFormat} is not supported ".
+                                                                       "for content model $model used by $name", 'badformat' );
+                               }
+
+                               $text = $content->serialize( $format );
+                               $vals['contentformat'] = $format;
+                       }
+
+                       if ( $text !== false ) {
+                               ApiResult::setContent( $vals, $text );
                        }
-                       ApiResult::setContent( $vals, $text );
                } elseif ( $this->fld_content ) {
                        $vals['texthidden'] = '';
                }
@@ -523,11 +572,26 @@ class ApiQueryRevisions extends ApiQueryBase {
                                $vals['diff'] = array();
                                $context = new DerivativeContext( $this->getContext() );
                                $context->setTitle( $title );
+                               $handler = $revision->getContentHandler();
+
                                if ( !is_null( $this->difftotext ) ) {
-                                       $engine = new DifferenceEngine( $context );
-                                       $engine->setText( $text, $this->difftotext );
+                                       $model = $title->getContentModel();
+
+                                       if ( $this->contentFormat
+                                               && !ContentHandler::getForModelID( $model )->isSupportedFormat( $this->contentFormat ) ) {
+
+                                               $name = $title->getPrefixedDBkey();
+
+                                               $this->dieUsage( "The requested format {$this->contentFormat} is not supported for ".
+                                                                                       "content model $model used by $name", 'badformat' );
+                                       }
+
+                                       $difftocontent = ContentHandler::makeContent( $this->difftotext, $title, $model, $this->contentFormat );
+
+                                       $engine = $handler->createDifferenceEngine( $context );
+                                       $engine->setContent( $content, $difftocontent );
                                } else {
-                                       $engine = new DifferenceEngine( $context, $revision->getID(), $this->diffto );
+                                       $engine = $handler->createDifferenceEngine( $context, $revision->getID(), $this->diffto );
                                        $vals['diff']['from'] = $engine->getOldid();
                                        $vals['diff']['to'] = $engine->getNewid();
                                }
@@ -567,6 +631,7 @@ class ApiQueryRevisions extends ApiQueryBase {
                                        'userid',
                                        'size',
                                        'sha1',
+                                       'contentmodel',
                                        'comment',
                                        'parsedcomment',
                                        'content',
@@ -616,6 +681,10 @@ class ApiQueryRevisions extends ApiQueryBase {
                        'continue' => null,
                        'diffto' => null,
                        'difftotext' => null,
+                       'contentformat' => array(
+                               ApiBase::PARAM_TYPE => ContentHandler::getAllContentFormats(),
+                               ApiBase::PARAM_DFLT => null
+                       ),
                );
        }
 
@@ -631,6 +700,7 @@ class ApiQueryRevisions extends ApiQueryBase {
                                ' userid         - User id of revision creator',
                                ' size           - Length (bytes) of the revision',
                                ' sha1           - SHA-1 (base 16) of the revision',
+                               ' contentmodel   - Content model id',
                                ' comment        - Comment by the user for revision',
                                ' parsedcomment  - Parsed comment by the user for the revision',
                                ' content        - Text of the revision',
@@ -655,6 +725,7 @@ class ApiQueryRevisions extends ApiQueryBase {
                        'difftotext' => array( 'Text to diff each revision to. Only diffs a limited number of revisions.',
                                "Overrides {$p}diffto. If {$p}section is set, only that section will be diffed against this text" ),
                        'tag' => 'Only list revisions tagged with this tag',
+                       'contentformat' => 'Serialization format used for difftotext and expected for output of content',
                );
        }
 
@@ -732,13 +803,18 @@ class ApiQueryRevisions extends ApiQueryBase {
        public function getPossibleErrors() {
                return array_merge( parent::getPossibleErrors(), array(
                        array( 'nosuchrevid', 'diffto' ),
-                       array( 'code' => 'revids', 'info' => 'The revids= parameter may not be used with the list options (limit, startid, endid, dirNewer, start, end).' ),
-                       array( 'code' => 'multpages', 'info' => 'titles, pageids or a generator was used to supply multiple pages, but the limit, startid, endid, dirNewer, user, excludeuser, start and end parameters may only be used on a single page.' ),
+                       array( 'code' => 'revids', 'info' => 'The revids= parameter may not be used with the list options '
+                                                                                                       . '(limit, startid, endid, dirNewer, start, end).' ),
+                       array( 'code' => 'multpages', 'info' => 'titles, pageids or a generator was used to supply multiple pages, '
+                                                                                                       . ' but the limit, startid, endid, dirNewer, user, excludeuser, '
+                                                                                                       . 'start and end parameters may only be used on a single page.' ),
                        array( 'code' => 'diffto', 'info' => 'rvdiffto must be set to a non-negative number, "prev", "next" or "cur"' ),
                        array( 'code' => 'badparams', 'info' => 'start and startid cannot be used together' ),
                        array( 'code' => 'badparams', 'info' => 'end and endid cannot be used together' ),
                        array( 'code' => 'badparams', 'info' => 'user and excludeuser cannot be used together' ),
                        array( 'code' => 'nosuchsection', 'info' => 'There is no section section in rID' ),
+                       array( 'code' => 'badformat', 'info' => 'The requested serialization format can not be applied '
+                                                                                                       . ' to the page\'s content model' ),
                ) );
        }
 
index f759c02..623f545 100644 (file)
@@ -74,7 +74,7 @@ class LinkCache {
         * Get a field of a title object from cache.
         * If this link is not good, it will return NULL.
         * @param $title Title
-        * @param $field String: ('length','redirect','revision')
+        * @param $field String: ('length','redirect','revision','model')
         * @return mixed
         */
        public function getGoodLinkFieldObj( $title, $field ) {
@@ -102,14 +102,16 @@ class LinkCache {
         * @param $len Integer: text's length
         * @param $redir Integer: whether the page is a redirect
         * @param $revision Integer: latest revision's ID
+        * @param $model Integer: latest revision's content model ID
         */
-       public function addGoodLinkObj( $id, $title, $len = -1, $redir = null, $revision = false ) {
+       public function addGoodLinkObj( $id, $title, $len = -1, $redir = null, $revision = false, $model = false ) {
                $dbkey = $title->getPrefixedDbKey();
                $this->mGoodLinks[$dbkey] = intval( $id );
                $this->mGoodLinkFields[$dbkey] = array(
                        'length' => intval( $len ),
                        'redirect' => intval( $redir ),
-                       'revision' => intval( $revision ) );
+                       'revision' => intval( $revision ),
+                       'model' => intval( $model ) );
        }
 
        /**
@@ -117,7 +119,7 @@ class LinkCache {
         * @since 1.19
         * @param $title Title
         * @param $row object which has the fields page_id, page_is_redirect,
-        *  page_latest
+        *  page_latest and page_content_model
         */
        public function addGoodLinkObjFromRow( $title, $row ) {
                $dbkey = $title->getPrefixedDbKey();
@@ -126,6 +128,7 @@ class LinkCache {
                        'length' => intval( $row->page_len ),
                        'redirect' => intval( $row->page_is_redirect ),
                        'revision' => intval( $row->page_latest ),
+                       'model' => !empty( $row->page_content_model ) ? strval( $row->page_content_model ) : null,
                );
        }
 
@@ -178,7 +181,8 @@ class LinkCache {
         * @return Integer
         */
        public function addLinkObj( $nt ) {
-               global $wgAntiLockFlags;
+               global $wgAntiLockFlags, $wgContentHandlerUseDB;
+
                wfProfileIn( __METHOD__ );
 
                $key = $nt->getPrefixedDBkey();
@@ -210,8 +214,10 @@ class LinkCache {
                        $options = array();
                }
 
-               $s = $db->selectRow( 'page',
-                       array( 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ),
+               $f = array( 'page_id', 'page_len', 'page_is_redirect', 'page_latest' );
+               if ( $wgContentHandlerUseDB ) $f[] = 'page_content_model';
+
+               $s = $db->selectRow( 'page', $f,
                        array( 'page_namespace' => $nt->getNamespace(), 'page_title' => $nt->getDBkey() ),
                        __METHOD__, $options );
                # Set fields...
index 24f32d6..d8acc4f 100644 (file)
@@ -768,16 +768,30 @@ class MessageCache {
                # Try loading it from the database
                $revision = Revision::newFromTitle( Title::makeTitle( NS_MEDIAWIKI, $title ) );
                if ( $revision ) {
-                       $message = $revision->getText();
-                       if ($message === false) {
+                       $content = $revision->getContent();
+                       if ( !$content ) {
                                // A possibly temporary loading failure.
                                wfDebugLog( 'MessageCache', __METHOD__ . ": failed to load message page text for {$title} ($code)" );
+                               $message = null; // no negative caching
                        } else {
-                               $this->mCache[$code][$title] = ' ' . $message;
-                               $this->mMemc->set( $titleKey, ' ' . $message, $this->mExpiry );
+                               #XXX: is this the reight way to turn a Content object into a mesage?
+                               $message = $content->getWikitextForTransclusion();
+
+                               if ( $message === false || $message === null ) {
+                                       wfDebugLog( 'MessageCache', __METHOD__ . ": message content doesn't provide wikitext "
+                                                               . "(content model: #" . $content->getContentHandler() . ")" );
+
+                                       $message = false; // negative caching
+                               } else {
+                                       $this->mCache[$code][$title] = ' ' . $message;
+                                       $this->mMemc->set( $titleKey, ' ' . $message, $this->mExpiry );
+                               }
                        }
                } else {
-                       $message = false;
+                       $message = false; // negative caching
+               }
+
+               if ( $message === false ) { // negative caching
                        $this->mCache[$code][$title] = '!NONEXISTENT';
                        $this->mMemc->set( $titleKey, '!NONEXISTENT', $this->mExpiry );
                }
index 3846473..82a4afb 100644 (file)
@@ -38,7 +38,7 @@ class DifferenceEngine extends ContextSource {
         * @private
         */
        var $mOldid, $mNewid;
-       var $mOldtext, $mNewtext;
+       var $mOldContent, $mNewContent;
        protected $mDiffLang;
 
        /**
@@ -224,6 +224,10 @@ class DifferenceEngine extends ContextSource {
                # we'll use the application/x-external-editor interface to call
                # an external diff tool like kompare, kdiff3, etc.
                if ( ExternalEdit::useExternalEngine( $this->getContext(), 'diff' ) ) {
+                       //TODO: come up with a good solution for non-text content here.
+                       //      at least, the content format needs to be passed to the client somehow.
+                       //      Currently, action=raw will just fail for non-text content.
+
                        $urls = array(
                                'File' => array( 'Extension' => 'wiki', 'URL' =>
                                        # This should be mOldPage, but it may not be set, see below.
@@ -510,19 +514,21 @@ class DifferenceEngine extends ContextSource {
                        $out->setRevisionTimestamp( $this->mNewRev->getTimestamp() );
                        $out->setArticleFlag( true );
 
+                       // NOTE: only needed for B/C: custom rendering of JS/CSS via hook
                        if ( $this->mNewPage->isCssJsSubpage() || $this->mNewPage->isCssOrJsPage() ) {
                                // Stolen from Article::view --AG 2007-10-11
                                // Give hooks a chance to customise the output
                                // @TODO: standardize this crap into one function
-                               if ( wfRunHooks( 'ShowRawCssJs', array( $this->mNewtext, $this->mNewPage, $out ) ) ) {
-                                       // Wrap the whole lot in a <pre> and don't parse
-                                       $m = array();
-                                       preg_match( '!\.(css|js)$!u', $this->mNewPage->getText(), $m );
-                                       $out->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
-                                       $out->addHTML( htmlspecialchars( $this->mNewtext ) );
-                                       $out->addHTML( "\n</pre>\n" );
+                               if ( ContentHandler::runLegacyHooks( 'ShowRawCssJs', array( $this->mNewContent, $this->mNewPage, $out ) ) ) {
+                                       // NOTE: deprecated hook, B/C only
+                                       // use the content object's own rendering
+                                       $po = $this->mContentObject->getParserOutput();
+                                       $out->addHTML( $po->getText() );
                                }
-                       } elseif ( !wfRunHooks( 'ArticleViewCustom', array( $this->mNewtext, $this->mNewPage, $out ) ) ) {
+                       } elseif( !wfRunHooks( 'ArticleContentViewCustom', array( $this->mNewContent, $this->mNewPage, $out ) ) ) {
+                               // Handled by extension
+                       } elseif( !ContentHandler::runLegacyHooks( 'ArticleViewCustom', array( $this->mNewContent, $this->mNewPage, $out ) ) ) {
+                               // NOTE: deprecated hook, B/C only
                                // Handled by extension
                        } else {
                                // Normal page
@@ -536,15 +542,7 @@ class DifferenceEngine extends ContextSource {
                                        $wikiPage = WikiPage::factory( $this->mNewPage );
                                }
 
-                               $parserOptions = ParserOptions::newFromContext( $this->getContext() );
-                               $parserOptions->enableLimitReport();
-                               $parserOptions->setTidy( true );
-
-                               if ( !$this->mNewRev->isCurrent() ) {
-                                       $parserOptions->setEditSection( false );
-                               }
-
-                               $parserOutput = $wikiPage->getParserOutput( $parserOptions, $this->mNewid );
+                               $parserOutput = $this->getParserOutput( $wikiPage, $this->mNewRev );
 
                                # WikiPage::getParserOutput() should not return false, but just in case
                                if( $parserOutput ) {
@@ -558,6 +556,19 @@ class DifferenceEngine extends ContextSource {
                wfProfileOut( __METHOD__ );
        }
 
+       protected function getParserOutput( WikiPage $page, Revision $rev ) {
+               $parserOptions = ParserOptions::newFromContext( $this->getContext() );
+               $parserOptions->enableLimitReport();
+               $parserOptions->setTidy( true );
+
+               if ( !$rev->isCurrent() || !$rev->getTitle()->quickUserCan( "edit" ) ) {
+                       $parserOptions->setEditSection( false );
+               }
+
+               $parserOutput = $page->getParserOutput( $parserOptions, $rev->getId() );
+               return $parserOutput;
+       }
+
        /**
         * Get the diff text, send it to the OutputPage object
         * Returns false if the diff could not be generated, otherwise returns true
@@ -654,7 +665,7 @@ class DifferenceEngine extends ContextSource {
                        return false;
                }
 
-               $difftext = $this->generateDiffBody( $this->mOldtext, $this->mNewtext );
+               $difftext = $this->generateContentDiffBody( $this->mOldContent, $this->mNewContent );
 
                // Save to cache for 7 days
                if ( !wfRunHooks( 'AbortDiffCache', array( &$this ) ) ) {
@@ -691,14 +702,56 @@ class DifferenceEngine extends ContextSource {
                }
        }
 
+       /**
+        * Generate a diff, no caching.
+        *
+        * Subclasses may override this to provide a
+        *
+        * @param $old Content: old content
+        * @param $new Content: new content
+        *
+        * @since 1.WD
+        */
+       function generateContentDiffBody( Content $old, Content $new ) {
+               if ( !( $old instanceof TextContent ) ) {
+                       throw new MWException( "Diff not implemented for " . get_class( $old ) . "; "
+                                                               . "override generateContentDiffBody to fix this." );
+               }
+
+               if ( !( $new instanceof TextContent ) ) {
+                       throw new MWException( "Diff not implemented for " . get_class( $new ) . "; "
+                               . "override generateContentDiffBody to fix this." );
+               }
+
+               $otext = $old->serialize();
+               $ntext = $new->serialize();
+
+               return $this->generateTextDiffBody( $otext, $ntext );
+       }
+
        /**
         * Generate a diff, no caching
         *
         * @param $otext String: old text, must be already segmented
         * @param $ntext String: new text, must be already segmented
-        * @return bool|string
+        * @deprecated since 1.WD, use generateContentDiffBody() instead!
         */
        function generateDiffBody( $otext, $ntext ) {
+               wfDeprecated( __METHOD__, "1.WD" );
+
+               return $this->generateTextDiffBody( $otext, $ntext );
+       }
+
+       /**
+        * Generate a diff, no caching
+        *
+        * @todo move this to TextDifferenceEngine, make DifferenceEngine abstract. At some point.
+        *
+        * @param $otext String: old text, must be already segmented
+        * @param $ntext String: new text, must be already segmented
+        * @return bool|string
+        */
+       function generateTextDiffBody( $otext, $ntext ) {
                global $wgExternalDiffEngine, $wgContLang;
 
                wfProfileIn( __METHOD__ );
@@ -861,7 +914,7 @@ class DifferenceEngine extends ContextSource {
         *        the visibility of the revision and a link to edit the page.
         * @return String HTML fragment
         */
-       private function getRevisionHeader( Revision $rev, $complete = '' ) {
+       protected function getRevisionHeader( Revision $rev, $complete = '' ) {
                $lang = $this->getLanguage();
                $user = $this->getUser();
                $revtimestamp = $rev->getTimestamp();
@@ -953,10 +1006,25 @@ class DifferenceEngine extends ContextSource {
 
        /**
         * Use specified text instead of loading from the database
+        * @deprecated since 1.WD, use setContent() instead.
         */
        function setText( $oldText, $newText ) {
-               $this->mOldtext = $oldText;
-               $this->mNewtext = $newText;
+               wfDeprecated( __METHOD__, "1.WD" );
+
+               $oldContent = ContentHandler::makeContent( $oldText, $this->getTitle() );
+               $newContent = ContentHandler::makeContent( $newText, $this->getTitle() );
+
+               $this->setContent( $oldContent, $newContent );
+       }
+
+       /**
+        * Use specified text instead of loading from the database
+        * @since 1.WD
+        */
+       function setContent( Content $oldContent, Content $newContent ) {
+               $this->mOldContent = $oldContent;
+               $this->mNewContent = $newContent;
+
                $this->mTextLoaded = 2;
                $this->mRevisionsLoaded = true;
        }
@@ -1084,14 +1152,14 @@ class DifferenceEngine extends ContextSource {
                        return false;
                }
                if ( $this->mOldRev ) {
-                       $this->mOldtext = $this->mOldRev->getText( Revision::FOR_THIS_USER );
-                       if ( $this->mOldtext === false ) {
+                       $this->mOldContent = $this->mOldRev->getContent( Revision::FOR_THIS_USER );
+                       if ( $this->mOldContent === false ) {
                                return false;
                        }
                }
                if ( $this->mNewRev ) {
-                       $this->mNewtext = $this->mNewRev->getText( Revision::FOR_THIS_USER );
-                       if ( $this->mNewtext === false ) {
+                       $this->mNewContent = $this->mNewRev->getContent( Revision::FOR_THIS_USER );
+                       if ( $this->mNewContent === false ) {
                                return false;
                        }
                }
@@ -1112,7 +1180,7 @@ class DifferenceEngine extends ContextSource {
                if ( !$this->loadRevisionData() ) {
                        return false;
                }
-               $this->mNewtext = $this->mNewRev->getText( Revision::FOR_THIS_USER );
+               $this->mNewContent = $this->mNewRev->getContent( Revision::FOR_THIS_USER );
                return true;
        }
 }
index e849c8e..7f97a98 100644 (file)
@@ -1175,8 +1175,9 @@ class LocalFile extends File {
                } else {
                        # New file; create the description page.
                        # There's already a log entry, so don't make a second RC entry
-                       # Squid and file cache for the description page are purged by doEdit.
-                       $wikiPage->doEdit( $pageText, $comment, EDIT_NEW | EDIT_SUPPRESS_RC, false, $user );
+                       # Squid and file cache for the description page are purged by doEditContent.
+                       $content = ContentHandler::makeContent( $pageText, $descTitle );
+                       $wikiPage->doEditContent( $content, $comment, EDIT_NEW | EDIT_SUPPRESS_RC, false, $user );
                }
                wfProfileOut( __METHOD__ . '-edit' );
 
@@ -1458,9 +1459,9 @@ class LocalFile extends File {
                global $wgParser;
                $revision = Revision::newFromTitle( $this->title, false, Revision::READ_NORMAL );
                if ( !$revision ) return false;
-               $text = $revision->getText();
-               if ( !$text ) return false;
-               $pout = $wgParser->parse( $text, $this->title, new ParserOptions() );
+               $content = $revision->getContent();
+               if ( !$content ) return false;
+               $pout = $content->getParserOutput( $this->title, null, new ParserOptions() );
                return $pout->getText();
        }
 
index f812ac2..6b7e88d 100644 (file)
@@ -87,6 +87,13 @@ class Ibm_db2Updater extends DatabaseUpdater {
 
                        // 1.20
                        array( 'addTable', 'config',                            'patch-config.sql' ),
+
+                       // 1.WD
+                       array( 'addField',      'revision',     'rev_content_format',           'patch-revision-rev_content_format.sql' ),
+                       array( 'addField',      'revision',     'rev_content_model',            'patch-revision-rev_content_model.sql' ),
+                       array( 'addField',      'archive',      'ar_content_format',            'patch-archive-ar_content_format.sql' ),
+                       array( 'addField',      'archive',      'ar_content_model',                 'patch-archive-ar_content_model.sql' ),
+                       array( 'addField',      'page',     'page_content_model',               'patch-page-page_content_model.sql' ),
                );
        }
 }
index ac5dbd7..8140527 100644 (file)
@@ -1594,13 +1594,16 @@ abstract class Installer {
                $status = Status::newGood();
                try {
                        $page = WikiPage::factory( Title::newMainPage() );
-                       $page->doEdit( wfMessage( 'mainpagetext' )->inContentLanguage()->text() . "\n\n" .
-                                       wfMessage( 'mainpagedocfooter' )->inContentLanguage()->text(),
-                                       '',
-                                       EDIT_NEW,
-                                       false,
-                                       User::newFromName( 'MediaWiki default' )
+                       $content = new WikitextContent (
+                               wfMessage( 'mainpagetext' )->inContentLanguage()->text() . "\n\n" .
+                               wfMessage( 'mainpagedocfooter' )->inContentLanguage()->text()
                        );
+
+                       $page->doEditContent( $content,
+                                                       '',
+                                                       EDIT_NEW,
+                                                       false,
+                                                       User::newFromName( 'MediaWiki default' ) );
                } catch (MWException $e) {
                        //using raw, because $wgShowExceptionDetails can not be set yet
                        $status->fatal( 'config-install-mainpage-failed', $e->getMessage() );
index d93dba6..bf881d7 100644 (file)
@@ -206,6 +206,7 @@ class MysqlUpdater extends DatabaseUpdater {
                        array( 'modifyField', 'user_groups', 'ug_group', 'patch-ug_group-length-increase.sql' ),
                        array( 'addField',      'uploadstash',  'us_chunk_inx',         'patch-uploadstash_chunk.sql' ),
                        array( 'addfield', 'job',           'job_timestamp',    'patch-jobs-add-timestamp.sql' ),
+
                        array( 'modifyField', 'user_former_groups', 'ufg_group', 'patch-ufg_group-length-increase.sql' ),
 
                        // 1.20
@@ -213,6 +214,13 @@ class MysqlUpdater extends DatabaseUpdater {
                        array( 'addIndex', 'revision', 'page_user_timestamp', 'patch-revision-user-page-index.sql' ),
                        array( 'addField', 'ipblocks',      'ipb_parent_block_id',           'patch-ipb-parent-block-id.sql' ),
                        array( 'addIndex', 'ipblocks',      'ipb_parent_block_id',           'patch-ipb-parent-block-id-index.sql' ),
+
+                       // 1.WD
+                       array( 'addField',      'revision',     'rev_content_format',           'patch-revision-rev_content_format.sql' ),
+                       array( 'addField',      'revision',     'rev_content_model',            'patch-revision-rev_content_model.sql' ),
+                       array( 'addField',      'archive',      'ar_content_format',            'patch-archive-ar_content_format.sql' ),
+                       array( 'addField',      'archive',      'ar_content_model',                 'patch-archive-ar_content_model.sql' ),
+                       array( 'addField',      'page',     'page_content_model',               'patch-page-page_content_model.sql' ),
                );
        }
 
index a741f26..d16de06 100644 (file)
@@ -71,6 +71,13 @@ class OracleUpdater extends DatabaseUpdater {
                        array( 'addIndex', 'ipblocks', 'i05', 'patch-ipblocks_i05_index.sql' ),
                        array( 'addIndex', 'revision', 'i05', 'patch-revision_i05_index.sql' ),
 
+                       //1.WD
+                       array( 'addField',      'revision',     'rev_content_format',           'patch-revision-rev_content_format.sql' ),
+                       array( 'addField',      'revision',     'rev_content_model',            'patch-revision-rev_content_model.sql' ),
+                       array( 'addField',      'archive',      'ar_content_format',            'patch-archive-ar_content_format.sql' ),
+                       array( 'addField',      'archive',      'ar_content_model',                 'patch-archive-ar_content_model.sql' ),
+                       array( 'addField',      'page',     'page_content_model',               'patch-page-page_content_model.sql' ),
+
                        // KEEP THIS AT THE BOTTOM!!
                        array( 'doRebuildDuplicateFunction' ),
 
index 9ba9eab..7b7312c 100644 (file)
@@ -85,6 +85,7 @@ class SqliteUpdater extends DatabaseUpdater {
                        array( 'modifyField', 'user_groups', 'ug_group', 'patch-ug_group-length-increase.sql' ),
                        array( 'addField',      'uploadstash',  'us_chunk_inx',         'patch-uploadstash_chunk.sql' ),
                        array( 'addfield', 'job',           'job_timestamp',    'patch-jobs-add-timestamp.sql' ),
+
                        array( 'modifyField', 'user_former_groups', 'ufg_group', 'patch-ug_group-length-increase.sql' ),
 
                        // 1.20
@@ -92,6 +93,13 @@ class SqliteUpdater extends DatabaseUpdater {
                        array( 'addIndex', 'revision', 'page_user_timestamp', 'patch-revision-user-page-index.sql' ),
                        array( 'addField', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id.sql' ),
                        array( 'addIndex', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id-index.sql' ),
+
+                       // 1.WD
+                       array( 'addField',      'revision',     'rev_content_format',           'patch-revision-rev_content_format.sql' ),
+                       array( 'addField',      'revision',     'rev_content_model',            'patch-revision-rev_content_model.sql' ),
+                       array( 'addField',      'archive',      'ar_content_format',            'patch-archive-ar_content_format.sql' ),
+                       array( 'addField',      'archive',      'ar_content_model',                 'patch-archive-ar_content_model.sql' ),
+                       array( 'addField',      'page',     'page_content_model',               'patch-page-page_content_model.sql' ),
                );
        }
 
index 5b86a90..11a4b98 100644 (file)
@@ -94,8 +94,8 @@ class DoubleRedirectJob extends Job {
                        wfDebug( __METHOD__.": target redirect already deleted, ignoring\n" );
                        return true;
                }
-               $text = $targetRev->getText();
-               $currentDest = Title::newFromRedirect( $text );
+               $content = $targetRev->getContent();
+               $currentDest = $content->getRedirectTarget();
                if ( !$currentDest || !$currentDest->equals( $this->redirTitle ) ) {
                        wfDebug( __METHOD__.": Redirect has changed since the job was queued\n" );
                        return true;
@@ -103,7 +103,7 @@ class DoubleRedirectJob extends Job {
 
                # Check for a suppression tag (used e.g. in periodically archived discussions)
                $mw = MagicWord::get( 'staticredirect' );
-               if ( $mw->match( $text ) ) {
+               if ( $content->matchMagicWord( $mw ) ) {
                        wfDebug( __METHOD__.": skipping: suppressed with __STATICREDIRECT__\n" );
                        return true;
                }
@@ -124,15 +124,13 @@ class DoubleRedirectJob extends Job {
                $newTitle = Title::makeTitle( $newTitle->getNamespace(), $newTitle->getDBkey(),
                        $currentDest->getFragment() );
 
+               $text = ContentHandler::getContentText( $content ); #FIXME: get rid of this!
+
                # Fix the text
-               # Remember that redirect pages can have categories, templates, etc.,
-               # so the regex has to be fairly general
-               $newText = preg_replace( '/ \[ \[  [^\]]*  \] \] /x',
-                       '[[' . $newTitle->getFullText() . ']]',
-                       $text, 1 );
-
-               if ( $newText === $text ) {
-                       $this->setLastError( 'Text unchanged???' );
+               $newContent = $content->updateRedirect( $newTitle );
+
+               if ( $newContent->equals( $content ) ) {
+                       $this->setLastError( 'Content unchanged???' );
                        return false;
                }
 
@@ -144,7 +142,7 @@ class DoubleRedirectJob extends Job {
                $reason = wfMessage( 'double-redirect-fixed-' . $this->reason,
                        $this->redirTitle->getPrefixedText(), $newTitle->getPrefixedText()
                )->inContentLanguage()->text();
-               $article->doEdit( $newText, $reason, EDIT_UPDATE | EDIT_SUPPRESS_RC, false, $this->getUser() );
+               $article->doEditContent( $newContent, $reason, EDIT_UPDATE | EDIT_SUPPRESS_RC, false, $this->getUser() );
                $wgUser = $oldUser;
 
                return true;
index b23951c..c4370f4 100644 (file)
@@ -70,16 +70,16 @@ class RefreshLinksJob extends Job {
        }
 
        public static function runForTitleInternal( Title $title, Revision $revision, $fname ) {
-               global $wgParser, $wgContLang;
+               global $wgContLang;
 
                wfProfileIn( $fname . '-parse' );
                $options = ParserOptions::newFromUserAndLang( new User, $wgContLang );
-               $parserOutput = $wgParser->parse(
-                       $revision->getText(), $title, $options, true, true, $revision->getId() );
+               $content = $revision->getContent();
+               $parserOutput = $content->getParserOutput( $title, $revision->getId(), $options, false );
                wfProfileOut( $fname . '-parse' );
 
                wfProfileIn( $fname . '-update' );
-               $updates = $parserOutput->getSecondaryDataUpdates( $title, false );
+               $updates = $content->getSecondaryDataUpdates( $title, null, false, $parserOutput  );
                DataUpdate::runUpdates( $updates );
                wfProfileOut( $fname . '-update' );
        }
index 8e9444a..8570828 100644 (file)
@@ -1946,6 +1946,7 @@ class Parser {
                                # Interwikis
                                wfProfileIn( __METHOD__."-interwiki" );
                                if ( $iw && $this->mOptions->getInterwikiMagic() && $nottalk && Language::fetchLanguageName( $iw, null, 'mw' ) ) {
+                                       // FIXME: the above check prevents links to sites with identifiers that are not language codes
                                        $this->mOutput->addLanguageLink( $nt->getFullText() );
                                        $s = rtrim( $s . $prefix );
                                        $s .= trim( $trail, "\n" ) == '' ? '': $prefix . $trail;
@@ -3586,7 +3587,13 @@ class Parser {
                        }
 
                        if ( $rev ) {
-                               $text = $rev->getText();
+                               $content = $rev->getContent();
+                               $text = $content->getWikitextForTransclusion();
+
+                               if ( $text === false || $text === null ) {
+                                       $text = false;
+                                       break;
+                               }
                        } elseif ( $title->getNamespace() == NS_MEDIAWIKI ) {
                                global $wgContLang;
                                $message = wfMessage( $wgContLang->lcfirst( $title->getText() ) )->inContentLanguage();
@@ -3594,16 +3601,17 @@ class Parser {
                                        $text = false;
                                        break;
                                }
+                               $content = $message->content();
                                $text = $message->plain();
                        } else {
                                break;
                        }
-                       if ( $text === false ) {
+                       if ( !$content ) {
                                break;
                        }
                        # Redirect?
                        $finalTitle = $title;
-                       $title = Title::newFromRedirect( $text );
+                       $title = $content->getRedirectTarget();
                }
                return array(
                        'text' => $text,
index 41b4a38..cf8b4a9 100644 (file)
@@ -50,7 +50,7 @@ class ParserOutput extends CacheTime {
                $mTimestamp;                  # Timestamp of the revision
                private $mIndexPolicy = '';       # 'index' or 'noindex'?  Any other value will result in no change.
                private $mAccessedOptions = array(); # List of ParserOptions (stored in the keys)
-               private $mSecondaryDataUpdates = array(); # List of instances of SecondaryDataObject(), used to cause some information extracted from the page in a custom place.
+               private $mSecondaryDataUpdates = array(); # List of DataUpdate, used to save info from the page somewhere else.
 
        const EDITSECTION_REGEX = '#<(?:mw:)?editsection page="(.*?)" section="(.*?)"(?:/>|>(.*?)(</(?:mw:)?editsection>))#';
 
@@ -375,9 +375,13 @@ class ParserOutput extends CacheTime {
         * extracted from the page's content, including a LinksUpdate object for all links stored in
         * this ParserOutput object.
         *
+        * @note: Avoid using this method directly, use ContentHandler::getSecondaryDataUpdates() instead! The content
+        *        handler may provide additional update objects.
+        *
         * @since 1.20
         *
-        * @param $title Title of the page we're updating. If not given, a title object will be created based on $this->getTitleText()
+        * @param $title Title The title of the page we're updating. If not given, a title object will be created
+        *                      based on $this->getTitleText()
         * @param $recursive Boolean: queue jobs for recursive updates?
         *
         * @return Array. An array of instances of DataUpdate
index 9dd6939..30d706c 100644 (file)
@@ -81,7 +81,16 @@ abstract class ResourceLoaderWikiModule extends ResourceLoaderModule {
                if ( !$revision ) {
                        return null;
                }
-               return $revision->getRawText();
+
+               $content = $revision->getContent( Revision::RAW );
+               $model = $content->getModel();
+
+               if ( $model !== CONTENT_MODEL_CSS && $model !== CONTENT_MODEL_JAVASCRIPT ) {
+                       wfDebug( __METHOD__ . "bad content model #$model for JS/CSS page!\n" );
+                       return null;
+               }
+
+               return $content->getNativeData(); //NOTE: this is safe, we know it's JS or CSS
        }
 
        /* Methods */
index b505592..59dd7ab 100644 (file)
@@ -802,11 +802,13 @@ class SearchResult {
         */
        protected function initText() {
                if ( !isset( $this->mText ) ) {
-                       if ( $this->mRevision != null )
-                               $this->mText = $this->mRevision->getText();
-                       else // TODO: can we fetch raw wikitext for commons images?
+                       if ( $this->mRevision != null ) {
+                               //TODO: don't use the text, but the content object!
+                               $content = $this->mRevision->getContent();
+                               $this->mText = $content->getTextForSearchIndex();
+                       } else { // TODO: can we fetch raw wikitext for commons images?
                                $this->mText = '';
-
+                       }
                }
        }
 
@@ -817,6 +819,8 @@ class SearchResult {
        function getTextSnippet( $terms ) {
                global $wgUser, $wgAdvancedSearchHighlighting;
                $this->initText();
+
+               // TODO: make highliter take a content object. Make ContentHandler a factory for SearchHighliter.
                list( $contextlines, $contextchars ) = SearchEngine::userHighlightPrefs( $wgUser );
                $h = new SearchHighlighter();
                if ( $wgAdvancedSearchHighlighting )
index bf7de3f..d271a62 100644 (file)
@@ -144,6 +144,7 @@ class SpecialBookSources extends SpecialPage {
                $title = Title::makeTitleSafe( NS_PROJECT, $page ); # Show list in content language
                if( is_object( $title ) && $title->exists() ) {
                        $rev = Revision::newFromTitle( $title, false, Revision::READ_NORMAL );
+                       #FIXME: need a way to do this via ContentHandler (or enforce flat text-based content)
                        $this->getOutput()->addWikiText( str_replace( 'MAGICNUMBER', $this->isbn, $rev->getText() ) );
                        return true;
                }
index 9e3c52b..2b7036c 100644 (file)
@@ -111,14 +111,19 @@ class SpecialComparePages extends SpecialPage {
                $rev2 = self::revOrTitle( $data['Revision2'], $data['Page2'] );
 
                if( $rev1 && $rev2 ) {
-                       $de = new DifferenceEngine( $form->getContext(),
-                               $rev1,
-                               $rev2,
-                               null, // rcid
-                               ( $data['Action'] == 'purge' ),
-                               ( $data['Unhide'] == '1' )
-                       );
-                       $de->showDiffPage( true );
+                       $revision = Revision::newFromId( $rev1 );
+
+                       if ( $revision ) { // NOTE: $rev1 was already checked, should exist.
+                               $contentHandler = $revision->getContentHandler();
+                               $de = $contentHandler->createDifferenceEngine( $form->getContext(),
+                                       $rev1,
+                                       $rev2,
+                                       null, // rcid
+                                       ( $data['Action'] == 'purge' ),
+                                       ( $data['Unhide'] == '1' )
+                               );
+                               $de->showDiffPage( true );
+                       }
                }
        }
 
index 8e15d55..b202e6b 100644 (file)
@@ -459,11 +459,12 @@ class SpecialNewpages extends IncludableSpecialPage {
        protected function feedItemDesc( $row ) {
                $revision = Revision::newFromId( $row->rev_id );
                if( $revision ) {
+                       //XXX: include content model/type in feed item?
                        return '<p>' . htmlspecialchars( $revision->getUserText() ) .
                                $this->msg( 'colon-separator' )->inContentLanguage()->escaped() .
                                htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
                                "</p>\n<hr />\n<div>" .
-                               nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
+                               nl2br( htmlspecialchars( $revision->getContent()->serialize() ) ) . "</div>";
                }
                return '';
        }
index 6dde6b9..09d5ce1 100644 (file)
@@ -32,7 +32,16 @@ class PageArchive {
         * @var Title
         */
        protected $title;
-       var $fileStatus;
+
+       /**
+        * @var Status
+        */
+       protected $fileStatus;
+
+       /**
+        * @var Status
+        */
+       protected $revisionStatus;
 
        function __construct( $title ) {
                if( is_null( $title ) ) {
@@ -112,12 +121,22 @@ class PageArchive {
         * @return ResultWrapper
         */
        function listRevisions() {
+               global $wgContentHandlerNoDB;
+
                $dbr = wfGetDB( DB_SLAVE );
+
+               $fields = array(
+                       'ar_minor_edit', 'ar_timestamp', 'ar_user', 'ar_user_text',
+                       'ar_comment', 'ar_len', 'ar_deleted', 'ar_rev_id', 'ar_sha1',
+               );
+
+               if ( !$wgContentHandlerNoDB ) {
+                       $fields[] = 'ar_content_format';
+                       $fields[] = 'ar_content_model';
+               }
+
                $res = $dbr->select( 'archive',
-                       array(
-                               'ar_minor_edit', 'ar_timestamp', 'ar_user', 'ar_user_text',
-                               'ar_comment', 'ar_len', 'ar_deleted', 'ar_rev_id', 'ar_sha1'
-                       ),
+                       $fields,
                        array( 'ar_namespace' => $this->title->getNamespace(),
                                   'ar_title' => $this->title->getDBkey() ),
                        __METHOD__,
@@ -174,22 +193,32 @@ class PageArchive {
         * @return Revision
         */
        function getRevision( $timestamp ) {
+               global $wgContentHandlerNoDB;
+
                $dbr = wfGetDB( DB_SLAVE );
+
+               $fields = array(
+                       'ar_rev_id',
+                       'ar_text',
+                       'ar_comment',
+                       'ar_user',
+                       'ar_user_text',
+                       'ar_timestamp',
+                       'ar_minor_edit',
+                       'ar_flags',
+                       'ar_text_id',
+                       'ar_deleted',
+                       'ar_len',
+                       'ar_sha1',
+               );
+
+               if ( !$wgContentHandlerNoDB ) {
+                       $fields[] = 'ar_content_format';
+                       $fields[] = 'ar_content_model';
+               }
+
                $row = $dbr->selectRow( 'archive',
-                       array(
-                               'ar_rev_id',
-                               'ar_text',
-                               'ar_comment',
-                               'ar_user',
-                               'ar_user_text',
-                               'ar_timestamp',
-                               'ar_minor_edit',
-                               'ar_flags',
-                               'ar_text_id',
-                               'ar_deleted',
-                               'ar_len',
-                               'ar_sha1',
-                       ),
+                       $fields,
                        array( 'ar_namespace' => $this->title->getNamespace(),
                                        'ar_title' => $this->title->getDBkey(),
                                        'ar_timestamp' => $dbr->timestamp( $timestamp ) ),
@@ -341,7 +370,7 @@ class PageArchive {
                if( $restoreFiles && $this->title->getNamespace() == NS_FILE ) {
                        $img = wfLocalFile( $this->title );
                        $this->fileStatus = $img->restore( $fileVersions, $unsuppress );
-                       if ( !$this->fileStatus->isOk() ) {
+                       if ( !$this->fileStatus->isOK() ) {
                                return false;
                        }
                        $filesRestored = $this->fileStatus->successCount;
@@ -350,10 +379,12 @@ class PageArchive {
                }
 
                if( $restoreText ) {
-                       $textRestored = $this->undeleteRevisions( $timestamps, $unsuppress, $comment );
-                       if( $textRestored === false ) { // It must be one of UNDELETE_*
+                       $this->revisionStatus = $this->undeleteRevisions( $timestamps, $unsuppress, $comment );
+                       if( !$this->revisionStatus->isOK() ) {
                                return false;
                        }
+
+                       $textRestored = $this->revisionStatus->getValue();
                } else {
                        $textRestored = 0;
                }
@@ -401,11 +432,13 @@ class PageArchive {
         * @param $comment String
         * @param $unsuppress Boolean: remove all ar_deleted/fa_deleted restrictions of seletected revs
         *
-        * @return Mixed: number of revisions restored or false on failure
+        * @return Status, containing the number of revisions restored on success
         */
        private function undeleteRevisions( $timestamps, $unsuppress = false, $comment = '' ) {
+               global $wgContentHandlerNoDB;
+
                if ( wfReadOnly() ) {
-                       return false;
+                       throw new ReadOnlyError();
                }
                $restoreAll = empty( $timestamps );
 
@@ -435,9 +468,14 @@ class PageArchive {
                        $previousTimestamp = $dbw->selectField( 'revision', 'rev_timestamp',
                                array( 'rev_id' => $previousRevId ),
                                __METHOD__ );
+
                        if( $previousTimestamp === false ) {
                                wfDebug( __METHOD__.": existing page refers to a page_latest that does not exist\n" );
-                               return 0;
+
+                               $status = Status::newGood( 0 );
+                               $status->warning( 'undeleterevision-missing' );
+
+                               return $status;
                        }
                } else {
                        # Have to create a new article...
@@ -457,24 +495,31 @@ class PageArchive {
                        $oldones = "ar_timestamp IN ( {$oldts} )";
                }
 
+               $fields = array(
+                       'ar_rev_id',
+                       'ar_text',
+                       'ar_comment',
+                       'ar_user',
+                       'ar_user_text',
+                       'ar_timestamp',
+                       'ar_minor_edit',
+                       'ar_flags',
+                       'ar_text_id',
+                       'ar_deleted',
+                       'ar_page_id',
+                       'ar_len',
+                       'ar_sha1');
+
+               if ( !$wgContentHandlerNoDB ) {
+                       $fields[] = 'ar_content_format';
+                       $fields[] = 'ar_content_model';
+               }
+
                /**
                 * Select each archived revision...
                 */
                $result = $dbw->select( 'archive',
-                       /* fields */ array(
-                               'ar_rev_id',
-                               'ar_text',
-                               'ar_comment',
-                               'ar_user',
-                               'ar_user_text',
-                               'ar_timestamp',
-                               'ar_minor_edit',
-                               'ar_flags',
-                               'ar_text_id',
-                               'ar_deleted',
-                               'ar_page_id',
-                               'ar_len',
-                               'ar_sha1' ),
+                       $fields,
                        /* WHERE */ array(
                                'ar_namespace' => $this->title->getNamespace(),
                                'ar_title'     => $this->title->getDBkey(),
@@ -486,17 +531,38 @@ class PageArchive {
                $rev_count = $dbw->numRows( $result );
                if( !$rev_count ) {
                        wfDebug( __METHOD__ . ": no revisions to restore\n" );
-                       return false; // ???
+
+                       $status = Status::newGood( 0 );
+                       $status->warning( "undelete-no-results" );
+                       return $status;
                }
 
                $ret->seek( $rev_count - 1 ); // move to last
                $row = $ret->fetchObject(); // get newest archived rev
                $ret->seek( 0 ); // move back
 
+               // grab the content to check consistency with global state before restoring the page.
+               $revision = Revision::newFromArchiveRow( $row,
+                       array(
+                               'title' => $article->getTitle(), // used to derive default content model
+                       ) );
+
+               $m = $revision->getContentModel();
+
+               $user = User::newFromName( $revision->getRawUserText(), false );
+               $content = $revision->getContent( Revision::RAW );
+
+               //NOTE: article ID may not be known yet. prepareSave() should not modify the database.
+               $status = $content->prepareSave( $article, 0, -1, $user );
+
+               if ( !$status->isOK() ) {
+                       return $status;
+               }
+
                if( $makepage ) {
                        // Check the state of the newest to-be version...
                        if( !$unsuppress && ( $row->ar_deleted & Revision::DELETED_TEXT ) ) {
-                               return false; // we can't leave the current revision like this!
+                               return Status::newFatal( "undeleterevdel" );
                        }
                        // Safe to insert now...
                        $newid  = $article->insertOn( $dbw );
@@ -506,7 +572,7 @@ class PageArchive {
                        if( $row->ar_timestamp > $previousTimestamp ) {
                                // Check the state of the newest to-be version...
                                if( !$unsuppress && ( $row->ar_deleted & Revision::DELETED_TEXT ) ) {
-                                       return false; // we can't leave the current revision like this!
+                                       return Status::newFatal( "undeleterevdel" );
                                }
                        }
                }
@@ -546,7 +612,7 @@ class PageArchive {
 
                // Was anything restored at all?
                if ( $restored == 0 ) {
-                       return 0;
+                       return Status::newGood( 0 );
                }
 
                $created = (bool)$newid;
@@ -566,13 +632,18 @@ class PageArchive {
                        $update->doUpdate();
                }
 
-               return $restored;
+               return Status::newGood( $restored );
        }
 
        /**
         * @return Status
         */
        function getFileStatus() { return $this->fileStatus; }
+
+       /**
+        * @return Status
+        */
+       function getRevisionStatus() { return $this->revisionStatus; }
 }
 
 /**
@@ -855,12 +926,15 @@ class SpecialUndelete extends SpecialPage {
 
                if( $this->mPreview ) {
                        // Hide [edit]s
+                       //FIXME: ContentHandler will have to provide some specialized magic to do this
                        $popts = $out->parserOptions();
                        $popts->setEditSection( false );
                        $out->parserOptions( $popts );
                        $out->addWikiTextTitleTidy( $rev->getText( Revision::FOR_THIS_USER, $user ), $this->mTargetObj, true );
                }
 
+               //FIXME: ContentHandler will have to provide some specialized magic for reviewing content before undeletion
+
                $out->addHTML(
                        Xml::element( 'textarea', array(
                                        'readonly' => 'readonly',
@@ -904,7 +978,7 @@ class SpecialUndelete extends SpecialPage {
         * @return String: HTML
         */
        function showDiff( $previousRev, $currentRev ) {
-               $diffEngine = new DifferenceEngine( $this->getContext() );
+               $diffEngine = $currentRev->getContentHandler()->createDifferenceEngine( $this->getContext() );
                $diffEngine->showDiffStyle();
                $this->getOutput()->addHTML(
                        "<div>" .
@@ -921,9 +995,9 @@ class SpecialUndelete extends SpecialPage {
                                $this->diffHeader( $currentRev, 'n' ) .
                                "</td>\n" .
                        "</tr>" .
-                       $diffEngine->generateDiffBody(
-                               $previousRev->getText( Revision::FOR_THIS_USER, $this->getUser() ),
-                               $currentRev->getText( Revision::FOR_THIS_USER, $this->getUser() ) ) .
+                       $diffEngine->generateContentDiffBody(
+                               $previousRev->getContent( Revision::FOR_THIS_USER, $this->getUser() ),
+                               $currentRev->getContent( Revision::FOR_THIS_USER, $this->getUser() ) ) .
                        "</table>" .
                        "</div>\n"
                );
@@ -1417,11 +1491,15 @@ class SpecialUndelete extends SpecialPage {
                        $out->addHTML( $this->msg( 'undeletedpage' )->rawParams( $link )->parse() );
                } else {
                        $out->setPageTitle( $this->msg( 'undelete-error' ) );
-                       $out->addWikiMsg( 'cannotundelete' );
-                       $out->addWikiMsg( 'undeleterevdel' );
                }
 
-               // Show file deletion warnings and errors
+               // Show revision undeletion warnings and errors
+               $status = $archive->getRevisionStatus();
+               if( $status && !$status->isGood() ) {
+                       $out->addWikiText( '<div class="error">' . $status->getWikiText( 'cannotundelete', 'cannotundelete' ) . '</div>' );
+               }
+
+               // Show file undeletion warnings and errors
                $status = $archive->getFileStatus();
                if( $status && !$status->isGood() ) {
                        $out->addWikiText( '<div class="error">' . $status->getWikiText( 'undelete-error-short', 'undelete-error-long' ) . '</div>' );
index c11d719..fdd2b1a 100644 (file)
@@ -70,13 +70,14 @@ class UploadFromUrl extends UploadBase {
                if ( !count( $wgCopyUploadsDomains ) ) {
                        return true;
                }
-               $parsedUrl = wfParseUrl( $url );
-               if ( !$parsedUrl ) {
+               $uri = new Uri( $url );
+               $parsedDomain = $uri->getHost();
+               if ( $parsedDomain === null ) {
                        return false;
                }
                $valid = false;
                foreach( $wgCopyUploadsDomains as $domain ) {
-                       if ( $parsedUrl['host'] === $domain ) {
+                       if ( $parsedDomain === $domain ) {
                                $valid = true;
                                break;
                        }
index 1edca80..2898e1b 100644 (file)
@@ -419,6 +419,16 @@ class Language {
         */
        public function setNamespaces( array $namespaces ) {
                $this->namespaceNames = $namespaces;
+               $this->mNamespaceIds = null;
+       }
+
+       /**
+        * Resets all of the namespace caches. Mainly used for testing
+        */
+       public function resetNamespaces( ) {
+               $this->namespaceNames = null;
+               $this->mNamespaceIds = null;
+               $this->namespaceAliases = null;
        }
 
        /**
index 8b7d6cb..a211562 100644 (file)
@@ -925,7 +925,11 @@ class LanguageConverter {
                        if ( $title && $title->exists() ) {
                                $revision = Revision::newFromTitle( $title );
                                if ( $revision ) {
-                                       $txt = $revision->getRawText();
+                                       if ( $revision->getContentModel() == CONTENT_MODEL_WIKITEXT ) {
+                                               $txt = $revision->getContent( Revision::RAW )->getNativeData();
+                                       }
+
+                                       //@todo: in the future, use a specialized content model, perhaps based on json!
                                }
                        }
                }
index 1865cc5..6a2820d 100644 (file)
@@ -102,7 +102,7 @@ class LanguageFi extends Language {
                        'monday' => 'maanantai',
                        'tuesday' => 'tiistai',
                        'wednesday' => 'keskiviikko',
-                       'thursay' => 'torstai',
+                       'thursday' => 'torstai',
                        'friday' => 'perjantai',
                        'saturday' => 'lauantai',
                        'sunday' => 'sunnuntai',
index 72f9a97..2f6d6d2 100644 (file)
@@ -2600,7 +2600,8 @@ Der aktuelle Text der gelöschten Seite ist nur Administratoren zugänglich.',
 'undeletedrevisions' => '{{PLURAL:$1|1 Version wurde|$1 Versionen wurden}} wiederhergestellt',
 'undeletedrevisions-files' => '{{PLURAL:$1|1 Version|$1 Versionen}} und {{PLURAL:$2|1 Datei|$2 Dateien}} wurden wiederhergestellt',
 'undeletedfiles' => '{{PLURAL:$1|1 Datei wurde|$1 Dateien wurden}} wiederhergestellt',
-'cannotundelete' => 'Wiederherstellung fehlgeschlagen; jemand anderes hat die Seite bereits wiederhergestellt.',
+'cannotundelete' => 'Wiederherstellung fehlgeschlagen:
+$1',
 'undeletedpage' => "'''„$1“''' wurde wiederhergestellt.
 
 Im [[Special:Log/delete|Lösch-Logbuch]] findest du eine Übersicht der gelöschten und wiederhergestellten Seiten.",
index 910c0ae..7db8ed9 100644 (file)
@@ -895,6 +895,7 @@ $1',
 'portal-url'           => 'Project:Community portal',
 'privacy'              => 'Privacy policy',
 'privacypage'          => 'Project:Privacy policy',
+'content-failed-to-parse' => "Failed to parse $2 content for $1 model: $3",
 
 'badaccess'        => 'Permission error',
 'badaccess-group0' => 'You are not allowed to execute the action you have requested.',
@@ -1429,7 +1430,7 @@ If you save it, any changes made since this revision will be lost.",
 'yourdiff'                         => 'Differences',
 'copyrightwarning'                 => "Please note that all contributions to {{SITENAME}} are considered to be released under the $2 (see $1 for details).
 If you do not want your writing to be edited mercilessly and redistributed at will, then do not submit it here.<br />
-You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource.
+You are also promising us that you wrote this yourself, or copied editpageit from a public domain or similar free resource.
 '''Do not submit copyrighted work without permission!'''",
 'copyrightwarning2'                => "Please note that all contributions to {{SITENAME}} may be edited, altered, or removed by other contributors.
 If you do not want your writing to be edited mercilessly, then do not submit it here.<br />
@@ -1486,6 +1487,7 @@ It already exists.',
 'addsection-preload'               => '', # do not translate or duplicate this message to other languages
 'addsection-editintro'             => '', # do not translate or duplicate this message to other languages
 'defaultmessagetext'               => 'Default message text',
+'invalid-content-data'             => 'Invalid content data',
 
 # Parser/template warnings
 'expensive-parserfunction-warning'        => "'''Warning:''' This page contains too many expensive parser function calls.
@@ -3068,8 +3070,8 @@ You may have a bad link, or the revision may have been restored or removed from
 'undeletedrevisions'           => '{{PLURAL:$1|1 revision|$1 revisions}} restored',
 'undeletedrevisions-files'     => '{{PLURAL:$1|1 revision|$1 revisions}} and {{PLURAL:$2|1 file|$2 files}} restored',
 'undeletedfiles'               => '{{PLURAL:$1|1 file|$1 files}} restored',
-'cannotundelete'               => 'Undelete failed;
-someone else may have undeleted the page first.',
+'cannotundelete'               => 'Undelete failed:
+$1',
 'undeletedpage'                => "'''$1 has been restored'''
 
 Consult the [[Special:Log/delete|deletion log]] for a record of recent deletions and restorations.",
@@ -4940,4 +4942,10 @@ Otherwise, you can use the easy form below. Your comment will be added to the pa
 'duration-centuries' => '$1 {{PLURAL:$1|century|centuries}}',
 'duration-millennia' => '$1 {{PLURAL:$1|millennium|millennia}}',
 
+# Content model IDs for the ContentHandler facility; used by ContentHandler::getContentModel()
+'content-model-wikitext' => 'wikitext',
+'content-model-javascript' => 'JavaScript',
+'content-model-css' => 'CSS',
+'content-model-text' => 'plain text',
+
 );
index 522a976..1cdba1e 100644 (file)
@@ -1773,6 +1773,9 @@ iarradh sábháil. Is dócha gur nasc chuig suíomh seachtrach ba chúis leis.',
 'spamprotectionmatch' => 'Truicear ár scagaire dramhála ag an téacs seo a leanas: $1',
 'spambot_username' => 'MediaWiki turscar glanadh',
 
+# Info page
+'pageinfo-subjectpage' => 'Leathanach',
+
 # Skin names
 'skinname-standard' => 'Clasaiceach',
 'skinname-nostalgia' => 'Sean-nós',
index 0beef17..620e162 100644 (file)
@@ -1051,6 +1051,7 @@ Please report at [[Support]] if you are unable to properly translate this messag
 'moveddeleted-notice' => 'Shown on top of a deleted page in normal view modus ([http://translatewiki.net/wiki/Test example]).',
 'edit-conflict' => "An 'Edit conflict' happens when more than one edit is being made to a page at the same time. This would usually be caused by separate individuals working on the same page. However, if the system is slow, several edits from one individual could back up and attempt to apply simultaneously - causing the conflict.",
 'defaultmessagetext' => 'Caption above the default message text shown on the left-hand side of a diff displayed after clicking “Show changes” when creating a new page in the MediaWiki: namespace',
+'invalid-content-data'             => 'Error message indicating that the page\'s content can not be saved because it is invalid. This may occurr for some non-text content types.',
 
 # Parser/template warnings
 'expensive-parserfunction-warning' => 'On some (expensive) [[MetaWikipedia:Help:ParserFunctions|parser functions]] (e.g. <code><nowiki>{{#ifexist:}}</nowiki></code>) there is a limit of how many times it may be used. This is an error message shown when the limit is exceeded.
@@ -2875,6 +2876,8 @@ Options for the duration of the page protection. Example: See e.g. [[MediaWiki:P
 {{Identical|Reset}}',
 'undeleteinvert' => '{{Identical|Invert selection}}',
 'undeletecomment' => '{{Identical|Reason}}',
+'cannotundelete' => 'Message shown when undeletion failed for some reason.
+* <code>$1</code> is the combined wikitext of messages for all errors that caused the failure.',
 'undelete-search-title' => 'Page title when showing the search form in Special:Undelete',
 'undelete-search-submit' => '{{Identical|Search}}',
 'undelete-error' => 'Page title when a page could not be undeleted',
@@ -4873,4 +4876,10 @@ $4 is the gender of the target user.',
 'api-error-uploaddisabled' => 'API error message that can be used for client side localisation of API errors.',
 'api-error-verification-error' => 'The word "extension" refers to the part behind the last dot in a file name, that by convention gives a hint about the kind of data format which a files contents are in.',
 
+# Content model IDs for the ContentHandler facility; used by ContentHandler::getContentModel()
+'content-model-wikitext' => 'Name for the wikitext content model, used when decribing what type of content a page contains.',
+'content-model-javascript' => 'Name for the JavaScript content model, used when decribing what type of content a page contains.',
+'content-model-css' => 'Name for the CSS content model, used when decribing what type of content a page contains.',
+'content-model-text' => 'Name for the plain text content model, used when decribing what type of content a page contains.',
+
 );
diff --git a/maintenance/archives/patch-archive-ar_content_format.sql b/maintenance/archives/patch-archive-ar_content_format.sql
new file mode 100644 (file)
index 0000000..81f9fca
--- /dev/null
@@ -0,0 +1,2 @@
+ALTER TABLE /*$wgDBprefix*/archive
+  ADD ar_content_format varbinary(64) DEFAULT NULL;
diff --git a/maintenance/archives/patch-archive-ar_content_model.sql b/maintenance/archives/patch-archive-ar_content_model.sql
new file mode 100644 (file)
index 0000000..1a8b630
--- /dev/null
@@ -0,0 +1,2 @@
+ALTER TABLE /*$wgDBprefix*/archive
+  ADD ar_content_model varbinary(32) DEFAULT NULL;
diff --git a/maintenance/archives/patch-page-page_content_model.sql b/maintenance/archives/patch-page-page_content_model.sql
new file mode 100644 (file)
index 0000000..30434d9
--- /dev/null
@@ -0,0 +1,2 @@
+ALTER TABLE /*$wgDBprefix*/page
+  ADD page_content_model varbinary(32) DEFAULT NULL;
diff --git a/maintenance/archives/patch-revision-rev_content_format.sql b/maintenance/archives/patch-revision-rev_content_format.sql
new file mode 100644 (file)
index 0000000..22aeb8a
--- /dev/null
@@ -0,0 +1,2 @@
+ALTER TABLE /*$wgDBprefix*/revision
+  ADD rev_content_format varbinary(64) DEFAULT NULL;
diff --git a/maintenance/archives/patch-revision-rev_content_model.sql b/maintenance/archives/patch-revision-rev_content_model.sql
new file mode 100644 (file)
index 0000000..1ba0572
--- /dev/null
@@ -0,0 +1,2 @@
+ALTER TABLE /*$wgDBprefix*/revision
+  ADD rev_content_model varbinary(32) DEFAULT NULL;
index 670b93d..4ba7e66 100644 (file)
@@ -50,7 +50,7 @@ class CheckBadRedirects extends Maintenance {
                        $title = Title::makeTitle( $row->page_namespace, $row->page_title );
                        $rev = Revision::newFromId( $row->page_latest );
                        if ( $rev ) {
-                               $target = Title::newFromRedirect( $rev->getText() );
+                               $target = $rev->getContent()->getRedirectTarget();
                                if ( !$target ) {
                                        $this->output( $title->getPrefixedText() . "\n" );
                                }
index e20bcd8..9838569 100644 (file)
@@ -103,7 +103,8 @@ class CleanupSpam extends Maintenance {
                $rev = Revision::newFromTitle( $title );
                $currentRevId = $rev->getId();
 
-               while ( $rev && ( $rev->isDeleted( Revision::DELETED_TEXT ) || LinkFilter::matchEntry( $rev->getText() , $domain ) ) ) {
+               while ( $rev && ( $rev->isDeleted( Revision::DELETED_TEXT )
+                                               || LinkFilter::matchEntry( $rev->getContent( Revision::RAW ), $domain ) ) ) {
                        $rev = $rev->getPrevious();
                }
 
@@ -117,8 +118,10 @@ class CleanupSpam extends Maintenance {
                        $page = WikiPage::factory( $title );
                        if ( $rev ) {
                                // Revert to this revision
+                               $content = $rev->getContent( Revision::RAW );
+
                                $this->output( "reverting\n" );
-                               $page->doEdit( $rev->getText(), wfMessage( 'spam_reverting', $domain )->inContentLanguage()->text(),
+                               $page->doEditContent( $content, wfMessage( 'spam_reverting', $domain )->inContentLanguage()->text(),
                                        EDIT_UPDATE, $rev->getId() );
                        } elseif ( $this->hasOption( 'delete' ) ) {
                                // Didn't find a non-spammy revision, blank the page
@@ -126,8 +129,11 @@ class CleanupSpam extends Maintenance {
                                $page->doDeleteArticle( wfMessage( 'spam_deleting', $domain )->inContentLanguage()->text() );
                        } else {
                                // Didn't find a non-spammy revision, blank the page
+                               $handler = ContentHandler::getForTitle( $title );
+                               $content = $handler->makeEmptyContent();
+
                                $this->output( "blanking\n" );
-                               $page->doEdit( '', wfMessage( 'spam_blanking', $domain )->inContentLanguage()->text() );
+                               $page->doEditContent( $content, wfMessage( 'spam_blanking', $domain )->inContentLanguage()->text() );
                        }
                        $dbw->commit( __METHOD__ );
                }
old mode 100755 (executable)
new mode 100644 (file)
old mode 100755 (executable)
new mode 100644 (file)
old mode 100755 (executable)
new mode 100644 (file)
old mode 100755 (executable)
new mode 100644 (file)
old mode 100755 (executable)
new mode 100644 (file)
old mode 100755 (executable)
new mode 100644 (file)
index 59df5e8..ad4c12f 100644 (file)
@@ -68,10 +68,11 @@ class EditCLI extends Maintenance {
 
                # Read the text
                $text = $this->getStdin( Maintenance::STDIN_ALL );
+               $content = ContentHandler::makeContent( $text, $wgTitle );
 
                # Do the edit
                $this->output( "Saving... " );
-               $status = $page->doEdit( $text, $summary,
+               $status = $page->doEditContent( $content, $summary,
                        ( $minor ? EDIT_MINOR : 0 ) |
                        ( $bot ? EDIT_FORCE_BOT : 0 ) |
                        ( $autoSummary ? EDIT_AUTOSUMMARY : 0 ) |
old mode 100755 (executable)
new mode 100644 (file)
old mode 100755 (executable)
new mode 100644 (file)
index e369cb1..e25ee2b 100644 (file)
@@ -56,13 +56,17 @@ class ImportSiteScripts extends Maintenance {
                        }
 
                        $this->output( "Importing $page\n" );
-                       $url = wfAppendQuery( $baseUrl, array(
+                       $uri = new Uri( $baseUrl );
+                       $uri->extendQuery( array(
                                'action' => 'raw',
                                'title' => "MediaWiki:{$page}" ) );
+                       $url = $uri->toString();
+
                        $text = Http::get( $url );
 
                        $wikiPage = WikiPage::factory( $title );
-                       $wikiPage->doEdit( $text, "Importing from $url", 0, false, $user );
+                       $content = ContentHandler::makeContent( $text, $wikiPage->getTitle() );
+                       $wikiPage->doEditContent( $content, "Importing from $url", 0, false, $user );
                }
 
        }
@@ -79,7 +83,9 @@ class ImportSiteScripts extends Maintenance {
                $pages = array();
 
                do {
-                       $url = wfAppendQuery( $baseUrl, $data );
+                       $uri = new Uri( $baseUrl );
+                       $uri->extendQuery( $data );
+                       $url = $uri->toString();
                        $strResult = Http::get( $url );
                        //$result = FormatJson::decode( $strResult ); // Still broken
                        $result = unserialize( $strResult );
index adb5063..c04989c 100644 (file)
@@ -56,7 +56,8 @@ if ( count( $args ) < 1 || isset( $options['help'] ) ) {
 
                                        echo( "\nPerforming edit..." );
                                        $page = WikiPage::factory( $title );
-                                       $page->doEdit( $text, $comment, $flags, false, $user );
+                                       $content = ContentHandler::makeContent( $text, $title );
+                                       $page->doEditContent( $content, $comment, $flags, false, $user );
                                        echo( "done.\n" );
 
                                } else {
index 6c835f4..07c395f 100644 (file)
@@ -74,16 +74,16 @@ class PopulateRevisionLength extends LoggedUpdateMaintenance {
                        # Go through and update rev_len from these rows.
                        foreach ( $res as $row ) {
                                $rev = new Revision( $row );
-                               $text = $rev->getRawText();
-                               if ( !is_string( $text ) ) {
+                               $content = $rev->getContent();
+                               if ( !$content ) {
                                        # This should not happen, but sometimes does (bug 20757)
-                                       $this->output( "Text of revision {$row->rev_id} unavailable!\n" );
+                                       $this->output( "Content of revision {$row->rev_id} unavailable!\n" );
                                        $missing++;
                                }
                                else {
                                        # Update the row...
                                        $db->update( 'revision',
-                                                        array( 'rev_len' => strlen( $text ) ),
+                                                        array( 'rev_len' => $content->getSize() ),
                                                         array( 'rev_id' => $row->rev_id ),
                                                         __METHOD__ );
                                        $count++;
index 2e14d31..382b7be 100644 (file)
@@ -143,14 +143,14 @@ class PopulateRevisionSha1 extends LoggedUpdateMaintenance {
                        $rev = ( $table === 'archive' )
                                ? Revision::newFromArchiveRow( $row )
                                : new Revision( $row );
-                       $text = $rev->getRawText();
+                       $text = $rev->getSerializedData();
                } catch ( MWException $e ) {
-                       $this->output( "Text of revision with {$idCol}={$row->$idCol} unavailable!\n" );
+                       $this->output( "Data of revision with {$idCol}={$row->$idCol} unavailable!\n" );
                        return false; // bug 22624?
                }
                if ( !is_string( $text ) ) {
                        # This should not happen, but sometimes does (bug 20757)
-                       $this->output( "Text of revision with {$idCol}={$row->$idCol} unavailable!\n" );
+                       $this->output( "Data of revision with {$idCol}={$row->$idCol} unavailable!\n" );
                        return false;
                } else {
                        $db->update( $table,
@@ -174,10 +174,10 @@ class PopulateRevisionSha1 extends LoggedUpdateMaintenance {
                        $this->output( "Text of revision with timestamp {$row->ar_timestamp} unavailable!\n" );
                        return false; // bug 22624?
                }
-               $text = $rev->getRawText();
+               $text = $rev->getSerializedData();
                if ( !is_string( $text ) ) {
                        # This should not happen, but sometimes does (bug 20757)
-                       $this->output( "Text of revision with timestamp {$row->ar_timestamp} unavailable!\n" );
+                       $this->output( "Data of revision with timestamp {$row->ar_timestamp} unavailable!\n" );
                        return false;
                } else {
                        # Archive table as no PK, but (NS,title,time) should be near unique.
index 3d9270b..535808d 100644 (file)
@@ -216,18 +216,16 @@ class RefreshLinks extends Maintenance {
                        return;
                }
 
-               $text = $page->getRawText();
-               if ( $text === false ) {
+               $content = $page->getContent( REVISION::RAW );
+               if ( null === false ) {
                        return;
                }
 
                $dbw = wfGetDB( DB_MASTER );
                $dbw->begin( __METHOD__ );
 
-               $options = ParserOptions::newFromUserAndLang( new User, $wgContLang );
-               $parserOutput = $wgParser->parse( $text, $page->getTitle(), $options, true, true, $page->getLatest() );
-               $update = new LinksUpdate( $page->getTitle(), $parserOutput, false );
-               $update->doUpdate();
+               $updates = $content->getSecondaryDataUpdates( $page->getTitle() );
+               DataUpdate::runUpdates( $updates );
 
                $dbw->commit( __METHOD__ );
        }
diff --git a/maintenance/storage/drop_content_model_info.sql b/maintenance/storage/drop_content_model_info.sql
new file mode 100644 (file)
index 0000000..7bd9aba
--- /dev/null
@@ -0,0 +1,7 @@
+ALTER TABLE /*$wgDBprefix*/archive  DROP COLUMN ar_content_model;
+ALTER TABLE /*$wgDBprefix*/archive  DROP COLUMN ar_content_format;
+
+ALTER TABLE /*$wgDBprefix*/revision  DROP COLUMN rev_content_model;
+ALTER TABLE /*$wgDBprefix*/revision  DROP COLUMN rev_content_format;
+
+ALTER TABLE /*$wgDBprefix*/page  DROP COLUMN page_content_model;
old mode 100755 (executable)
new mode 100644 (file)
index 998ebe4..1efe75a 100644 (file)
@@ -65,7 +65,7 @@ $uncompressedSize = 0;
 $t = -microtime( true );
 foreach ( $res as $row ) {
        $revision = new Revision( $row );
-       $text = $revision->getText();
+       $text = $revision->getSerializedData();
        $uncompressedSize += strlen( $text );
        $hashes[$row->rev_id] = md5( $text );
        $keys[$row->rev_id] = $blob->addItem( $text );
index 0a5b2fb..0aee741 100644 (file)
@@ -260,7 +260,10 @@ CREATE TABLE /*_*/page (
   page_latest int unsigned NOT NULL,
 
   -- Uncompressed length in bytes of the page's current source text.
-  page_len int unsigned NOT NULL
+  page_len int unsigned NOT NULL,
+
+  -- content model, see CONTENT_MODEL_XXX constants
+  page_content_model  int unsigned  default NULL
 ) /*$wgDBTableOptions*/;
 
 CREATE UNIQUE INDEX /*i*/name_title ON /*_*/page (page_namespace,page_title);
@@ -316,7 +319,13 @@ CREATE TABLE /*_*/revision (
   rev_parent_id int unsigned default NULL,
 
   -- SHA-1 text content hash in base-36
-  rev_sha1 varbinary(32) NOT NULL default ''
+  rev_sha1 varbinary(32) NOT NULL default '',
+
+  -- content model, see CONTENT_MODEL_XXX constants
+  rev_content_model  int unsigned  default NULL,
+
+  -- content format, see CONTENT_FORMAT_XXX constants
+  rev_content_format int unsigned  default NULL
 
 ) /*$wgDBTableOptions*/ MAX_ROWS=10000000 AVG_ROW_LENGTH=1024;
 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
@@ -427,7 +436,14 @@ CREATE TABLE /*_*/archive (
   ar_parent_id int unsigned default NULL,
 
   -- SHA-1 text content hash in base-36
-  ar_sha1 varbinary(32) NOT NULL default ''
+  ar_sha1 varbinary(32) NOT NULL default '',
+
+  -- content model, see CONTENT_MODEL_XXX constants
+  ar_content_model  int unsigned default NULL,
+
+  -- content format, see CONTENT_FORMAT_XXX constants
+  ar_content_format int unsigned default NULL
+
 ) /*$wgDBTableOptions*/;
 
 CREATE INDEX /*i*/name_title_timestamp ON /*_*/archive (ar_namespace,ar_title,ar_timestamp);
index 3774ff9..0770682 100644 (file)
@@ -1,31 +1,28 @@
 /*!
- * jQuery JavaScript Library v1.7.2
+ * jQuery JavaScript Library v1.8.0
  * http://jquery.com/
  *
- * Copyright 2011, John Resig
- * Dual licensed under the MIT or GPL Version 2 licenses.
- * http://jquery.org/license
- *
  * Includes Sizzle.js
  * http://sizzlejs.com/
- * Copyright 2011, The Dojo Foundation
- * Released under the MIT, BSD, and GPL Licenses.
  *
- * Date: Wed Mar 21 12:46:34 2012 -0700
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license
+ * http://jquery.org/license
+ *
+ * Date: Thu Aug 09 2012 16:24:48 GMT-0400 (Eastern Daylight Time)
  */
 (function( window, undefined ) {
+var
+       // A central reference to the root jQuery(document)
+       rootjQuery,
 
-// Use the correct document accordingly with window argument (sandbox)
-var document = window.document,
-       navigator = window.navigator,
-       location = window.location;
-var jQuery = (function() {
+       // The deferred used on DOM ready
+       readyList,
 
-// Define a local copy of jQuery
-var jQuery = function( selector, context ) {
-               // The jQuery object is actually just the init constructor 'enhanced'
-               return new jQuery.fn.init( selector, context, rootjQuery );
-       },
+       // Use the correct document accordingly with window argument (sandbox)
+       document = window.document,
+       location = window.location,
+       navigator = window.navigator,
 
        // Map over jQuery in case of overwrite
        _jQuery = window.jQuery,
@@ -33,63 +30,64 @@ var jQuery = function( selector, context ) {
        // Map over the $ in case of overwrite
        _$ = window.$,
 
-       // A central reference to the root jQuery(document)
-       rootjQuery,
+       // Save a reference to some core methods
+       core_push = Array.prototype.push,
+       core_slice = Array.prototype.slice,
+       core_indexOf = Array.prototype.indexOf,
+       core_toString = Object.prototype.toString,
+       core_hasOwn = Object.prototype.hasOwnProperty,
+       core_trim = String.prototype.trim,
+
+       // Define a local copy of jQuery
+       jQuery = function( selector, context ) {
+               // The jQuery object is actually just the init constructor 'enhanced'
+               return new jQuery.fn.init( selector, context, rootjQuery );
+       },
 
-       // A simple way to check for HTML strings or ID strings
-       // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
-       quickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,
+       // Used for matching numbers
+       core_pnum = /[\-+]?(?:\d*\.|)\d+(?:[eE][\-+]?\d+|)/.source,
 
-       // Check if a string has a non-whitespace character in it
-       rnotwhite = /\S/,
+       // Used for detecting and trimming whitespace
+       core_rnotwhite = /\S/,
+       core_rspace = /\s+/,
 
-       // Used for trimming whitespace
-       trimLeft = /^\s+/,
-       trimRight = /\s+$/,
+       // IE doesn't match non-breaking spaces with \s
+       rtrim = core_rnotwhite.test("\xA0") ? (/^[\s\xA0]+|[\s\xA0]+$/g) : /^\s+|\s+$/g,
+
+       // A simple way to check for HTML strings
+       // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
+       rquickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,
 
        // Match a standalone tag
-       rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
+       rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
 
        // JSON RegExp
        rvalidchars = /^[\],:{}\s]*$/,
-       rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
-       rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
        rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
-
-       // Useragent RegExp
-       rwebkit = /(webkit)[ \/]([\w.]+)/,
-       ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/,
-       rmsie = /(msie) ([\w.]+)/,
-       rmozilla = /(mozilla)(?:.*? rv:([\w.]+))?/,
+       rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
+       rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d\d*\.|)\d+(?:[eE][\-+]?\d+|)/g,
 
        // Matches dashed string for camelizing
-       rdashAlpha = /-([a-z]|[0-9])/ig,
        rmsPrefix = /^-ms-/,
+       rdashAlpha = /-([\da-z])/gi,
 
        // Used by jQuery.camelCase as callback to replace()
        fcamelCase = function( all, letter ) {
                return ( letter + "" ).toUpperCase();
        },
 
-       // Keep a UserAgent string for use with jQuery.browser
-       userAgent = navigator.userAgent,
-
-       // For matching the engine and version of the browser
-       browserMatch,
-
-       // The deferred used on DOM ready
-       readyList,
-
-       // The ready event handler
-       DOMContentLoaded,
-
-       // Save a reference to some core methods
-       toString = Object.prototype.toString,
-       hasOwn = Object.prototype.hasOwnProperty,
-       push = Array.prototype.push,
-       slice = Array.prototype.slice,
-       trim = String.prototype.trim,
-       indexOf = Array.prototype.indexOf,
+       // The ready event handler and self cleanup method
+       DOMContentLoaded = function() {
+               if ( document.addEventListener ) {
+                       document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
+                       jQuery.ready();
+               } else if ( document.readyState === "complete" ) {
+                       // we're here because readyState === "complete" in oldIE
+                       // which is good enough for us to call the dom ready!
+                       document.detachEvent( "onreadystatechange", DOMContentLoaded );
+                       jQuery.ready();
+               }
+       },
 
        // [[Class]] -> type pairs
        class2type = {};
@@ -99,7 +97,7 @@ jQuery.fn = jQuery.prototype = {
        init: function( selector, context, rootjQuery ) {
                var match, elem, ret, doc;
 
-               // Handle $(""), $(null), or $(undefined)
+               // Handle $(""), $(null), $(undefined), $(false)
                if ( !selector ) {
                        return this;
                }
@@ -111,55 +109,33 @@ jQuery.fn = jQuery.prototype = {
                        return this;
                }
 
-               // The body element only exists once, optimize finding it
-               if ( selector === "body" && !context && document.body ) {
-                       this.context = document;
-                       this[0] = document.body;
-                       this.selector = selector;
-                       this.length = 1;
-                       return this;
-               }
-
                // Handle HTML strings
                if ( typeof selector === "string" ) {
-                       // Are we dealing with HTML string or an ID?
                        if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
                                // Assume that strings that start and end with <> are HTML and skip the regex check
                                match = [ null, selector, null ];
 
                        } else {
-                               match = quickExpr.exec( selector );
+                               match = rquickExpr.exec( selector );
                        }
 
-                       // Verify a match, and that no context was specified for #id
+                       // Match html or make sure no context is specified for #id
                        if ( match && (match[1] || !context) ) {
 
                                // HANDLE: $(html) -> $(array)
                                if ( match[1] ) {
                                        context = context instanceof jQuery ? context[0] : context;
-                                       doc = ( context ? context.ownerDocument || context : document );
-
-                                       // If a single string is passed in and it's a single tag
-                                       // just do a createElement and skip the rest
-                                       ret = rsingleTag.exec( selector );
-
-                                       if ( ret ) {
-                                               if ( jQuery.isPlainObject( context ) ) {
-                                                       selector = [ document.createElement( ret[1] ) ];
-                                                       jQuery.fn.attr.call( selector, context, true );
-
-                                               } else {
-                                                       selector = [ doc.createElement( ret[1] ) ];
-                                               }
+                                       doc = ( context && context.nodeType ? context.ownerDocument || context : document );
 
-                                       } else {
-                                               ret = jQuery.buildFragment( [ match[1] ], [ doc ] );
-                                               selector = ( ret.cacheable ? jQuery.clone(ret.fragment) : ret.fragment ).childNodes;
+                                       // scripts is true for back-compat
+                                       selector = jQuery.parseHTML( match[1], doc, true );
+                                       if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
+                                               this.attr.call( selector, context, true );
                                        }
 
                                        return jQuery.merge( this, selector );
 
-                               // HANDLE: $("#id")
+                               // HANDLE: $(#id)
                                } else {
                                        elem = document.getElementById( match[2] );
 
@@ -210,7 +186,7 @@ jQuery.fn = jQuery.prototype = {
        selector: "",
 
        // The current version of jQuery being used
-       jquery: "1.7.2",
+       jquery: "1.8.0",
 
        // The default length of a jQuery object is 0
        length: 0,
@@ -221,7 +197,7 @@ jQuery.fn = jQuery.prototype = {
        },
 
        toArray: function() {
-               return slice.call( this, 0 );
+               return core_slice.call( this );
        },
 
        // Get the Nth element in the matched element set OR
@@ -239,15 +215,9 @@ jQuery.fn = jQuery.prototype = {
        // Take an array of elements and push it onto the stack
        // (returning the new matched element set)
        pushStack: function( elems, name, selector ) {
-               // Build a new jQuery matched element set
-               var ret = this.constructor();
 
-               if ( jQuery.isArray( elems ) ) {
-                       push.apply( ret, elems );
-
-               } else {
-                       jQuery.merge( ret, elems );
-               }
+               // Build a new jQuery matched element set
+               var ret = jQuery.merge( this.constructor(), elems );
 
                // Add the old object onto the stack (as a reference)
                ret.prevObject = this;
@@ -272,11 +242,8 @@ jQuery.fn = jQuery.prototype = {
        },
 
        ready: function( fn ) {
-               // Attach the listeners
-               jQuery.bindReady();
-
                // Add the callback
-               readyList.add( fn );
+               jQuery.ready.promise().done( fn );
 
                return this;
        },
@@ -297,8 +264,8 @@ jQuery.fn = jQuery.prototype = {
        },
 
        slice: function() {
-               return this.pushStack( slice.apply( this, arguments ),
-                       "slice", slice.call(arguments).join(",") );
+               return this.pushStack( core_slice.apply( this, arguments ),
+                       "slice", core_slice.call(arguments).join(",") );
        },
 
        map: function( callback ) {
@@ -313,7 +280,7 @@ jQuery.fn = jQuery.prototype = {
 
        // For internal use only.
        // Behaves like an Array's method, not like a jQuery method.
-       push: push,
+       push: core_push,
        sort: [].sort,
        splice: [].splice
 };
@@ -416,73 +383,31 @@ jQuery.extend({
 
        // Handle when the DOM is ready
        ready: function( wait ) {
-               // Either a released hold or an DOMready/load event and not yet ready
-               if ( (wait === true && !--jQuery.readyWait) || (wait !== true && !jQuery.isReady) ) {
-                       // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
-                       if ( !document.body ) {
-                               return setTimeout( jQuery.ready, 1 );
-                       }
-
-                       // Remember that the DOM is ready
-                       jQuery.isReady = true;
-
-                       // If a normal DOM Ready event fired, decrement, and wait if need be
-                       if ( wait !== true && --jQuery.readyWait > 0 ) {
-                               return;
-                       }
-
-                       // If there are functions bound, to execute
-                       readyList.fireWith( document, [ jQuery ] );
-
-                       // Trigger any bound ready events
-                       if ( jQuery.fn.trigger ) {
-                               jQuery( document ).trigger( "ready" ).off( "ready" );
-                       }
-               }
-       },
 
-       bindReady: function() {
-               if ( readyList ) {
+               // Abort if there are pending holds or we're already ready
+               if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
                        return;
                }
 
-               readyList = jQuery.Callbacks( "once memory" );
-
-               // Catch cases where $(document).ready() is called after the
-               // browser event has already occurred.
-               if ( document.readyState === "complete" ) {
-                       // Handle it asynchronously to allow scripts the opportunity to delay ready
+               // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
+               if ( !document.body ) {
                        return setTimeout( jQuery.ready, 1 );
                }
 
-               // Mozilla, Opera and webkit nightlies currently support this event
-               if ( document.addEventListener ) {
-                       // Use the handy event callback
-                       document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );
-
-                       // A fallback to window.onload, that will always work
-                       window.addEventListener( "load", jQuery.ready, false );
-
-               // If IE event model is used
-               } else if ( document.attachEvent ) {
-                       // ensure firing before onload,
-                       // maybe late but safe also for iframes
-                       document.attachEvent( "onreadystatechange", DOMContentLoaded );
-
-                       // A fallback to window.onload, that will always work
-                       window.attachEvent( "onload", jQuery.ready );
+               // Remember that the DOM is ready
+               jQuery.isReady = true;
 
-                       // If IE and not a frame
-                       // continually check to see if the document is ready
-                       var toplevel = false;
+               // If a normal DOM Ready event fired, decrement, and wait if need be
+               if ( wait !== true && --jQuery.readyWait > 0 ) {
+                       return;
+               }
 
-                       try {
-                               toplevel = window.frameElement == null;
-                       } catch(e) {}
+               // If there are functions bound, to execute
+               readyList.resolveWith( document, [ jQuery ] );
 
-                       if ( document.documentElement.doScroll && toplevel ) {
-                               doScrollCheck();
-                       }
+               // Trigger any bound ready events
+               if ( jQuery.fn.trigger ) {
+                       jQuery( document ).trigger("ready").off("ready");
                }
        },
 
@@ -508,7 +433,7 @@ jQuery.extend({
        type: function( obj ) {
                return obj == null ?
                        String( obj ) :
-                       class2type[ toString.call(obj) ] || "object";
+                       class2type[ core_toString.call(obj) ] || "object";
        },
 
        isPlainObject: function( obj ) {
@@ -522,8 +447,8 @@ jQuery.extend({
                try {
                        // Not own constructor property must be Object
                        if ( obj.constructor &&
-                               !hasOwn.call(obj, "constructor") &&
-                               !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
+                               !core_hasOwn.call(obj, "constructor") &&
+                               !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
                                return false;
                        }
                } catch ( e ) {
@@ -537,11 +462,12 @@ jQuery.extend({
                var key;
                for ( key in obj ) {}
 
-               return key === undefined || hasOwn.call( obj, key );
+               return key === undefined || core_hasOwn.call( obj, key );
        },
 
        isEmptyObject: function( obj ) {
-               for ( var name in obj ) {
+               var name;
+               for ( name in obj ) {
                        return false;
                }
                return true;
@@ -551,8 +477,32 @@ jQuery.extend({
                throw new Error( msg );
        },
 
+       // data: string of html
+       // context (optional): If specified, the fragment will be created in this context, defaults to document
+       // scripts (optional): If true, will include scripts passed in the html string
+       parseHTML: function( data, context, scripts ) {
+               var parsed;
+               if ( !data || typeof data !== "string" ) {
+                       return null;
+               }
+               if ( typeof context === "boolean" ) {
+                       scripts = context;
+                       context = 0;
+               }
+               context = context || document;
+
+               // Single tag
+               if ( (parsed = rsingleTag.exec( data )) ) {
+                       return [ context.createElement( parsed[1] ) ];
+               }
+
+               parsed = jQuery.buildFragment( [ data ], context, scripts ? null : [] );
+               return jQuery.merge( [],
+                       (parsed.cacheable ? jQuery.clone( parsed.fragment ) : parsed.fragment).childNodes );
+       },
+
        parseJSON: function( data ) {
-               if ( typeof data !== "string" || !data ) {
+               if ( !data || typeof data !== "string") {
                        return null;
                }
 
@@ -578,10 +528,10 @@ jQuery.extend({
 
        // Cross-browser xml parsing
        parseXML: function( data ) {
-               if ( typeof data !== "string" || !data ) {
+               var xml, tmp;
+               if ( !data || typeof data !== "string" ) {
                        return null;
                }
-               var xml, tmp;
                try {
                        if ( window.DOMParser ) { // Standard
                                tmp = new DOMParser();
@@ -606,7 +556,7 @@ jQuery.extend({
        // Workarounds based on findings by Jim Driscoll
        // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
        globalEval: function( data ) {
-               if ( data && rnotwhite.test( data ) ) {
+               if ( data && core_rnotwhite.test( data ) ) {
                        // We use execScript on Internet Explorer
                        // We use an anonymous function so that context is window
                        // rather than jQuery in Firefox
@@ -627,21 +577,22 @@ jQuery.extend({
        },
 
        // args is for internal usage only
-       each: function( object, callback, args ) {
-               var name, i = 0,
-                       length = object.length,
-                       isObj = length === undefined || jQuery.isFunction( object );
+       each: function( obj, callback, args ) {
+               var name,
+                       i = 0,
+                       length = obj.length,
+                       isObj = length === undefined || jQuery.isFunction( obj );
 
                if ( args ) {
                        if ( isObj ) {
-                               for ( name in object ) {
-                                       if ( callback.apply( object[ name ], args ) === false ) {
+                               for ( name in obj ) {
+                                       if ( callback.apply( obj[ name ], args ) === false ) {
                                                break;
                                        }
                                }
                        } else {
                                for ( ; i < length; ) {
-                                       if ( callback.apply( object[ i++ ], args ) === false ) {
+                                       if ( callback.apply( obj[ i++ ], args ) === false ) {
                                                break;
                                        }
                                }
@@ -650,71 +601,72 @@ jQuery.extend({
                // A special, fast, case for the most common use of each
                } else {
                        if ( isObj ) {
-                               for ( name in object ) {
-                                       if ( callback.call( object[ name ], name, object[ name ] ) === false ) {
+                               for ( name in obj ) {
+                                       if ( callback.call( obj[ name ], name, obj[ name ] ) === false ) {
                                                break;
                                        }
                                }
                        } else {
                                for ( ; i < length; ) {
-                                       if ( callback.call( object[ i ], i, object[ i++ ] ) === false ) {
+                                       if ( callback.call( obj[ i ], i, obj[ i++ ] ) === false ) {
                                                break;
                                        }
                                }
                        }
                }
 
-               return object;
+               return obj;
        },
 
        // Use native String.trim function wherever possible
-       trim: trim ?
+       trim: core_trim ?
                function( text ) {
                        return text == null ?
                                "" :
-                               trim.call( text );
+                               core_trim.call( text );
                } :
 
                // Otherwise use our own trimming functionality
                function( text ) {
                        return text == null ?
                                "" :
-                               text.toString().replace( trimLeft, "" ).replace( trimRight, "" );
+                               text.toString().replace( rtrim, "" );
                },
 
        // results is for internal usage only
-       makeArray: function( array, results ) {
-               var ret = results || [];
+       makeArray: function( arr, results ) {
+               var type,
+                       ret = results || [];
 
-               if ( array != null ) {
+               if ( arr != null ) {
                        // The window, strings (and functions) also have 'length'
                        // Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
-                       var type = jQuery.type( array );
+                       type = jQuery.type( arr );
 
-                       if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) {
-                               push.call( ret, array );
+                       if ( arr.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( arr ) ) {
+                               core_push.call( ret, arr );
                        } else {
-                               jQuery.merge( ret, array );
+                               jQuery.merge( ret, arr );
                        }
                }
 
                return ret;
        },
 
-       inArray: function( elem, array, i ) {
+       inArray: function( elem, arr, i ) {
                var len;
 
-               if ( array ) {
-                       if ( indexOf ) {
-                               return indexOf.call( array, elem, i );
+               if ( arr ) {
+                       if ( core_indexOf ) {
+                               return core_indexOf.call( arr, elem, i );
                        }
 
-                       len = array.length;
+                       len = arr.length;
                        i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
 
                        for ( ; i < len; i++ ) {
                                // Skip accessing in sparse arrays
-                               if ( i in array && array[ i ] === elem ) {
+                               if ( i in arr && arr[ i ] === elem ) {
                                        return i;
                                }
                        }
@@ -724,11 +676,12 @@ jQuery.extend({
        },
 
        merge: function( first, second ) {
-               var i = first.length,
+               var l = second.length,
+                       i = first.length,
                        j = 0;
 
-               if ( typeof second.length === "number" ) {
-                       for ( var l = second.length; j < l; j++ ) {
+               if ( typeof l === "number" ) {
+                       for ( ; j < l; j++ ) {
                                first[ i++ ] = second[ j ];
                        }
 
@@ -744,12 +697,15 @@ jQuery.extend({
        },
 
        grep: function( elems, callback, inv ) {
-               var ret = [], retVal;
+               var retVal,
+                       ret = [],
+                       i = 0,
+                       length = elems.length;
                inv = !!inv;
 
                // Go through the array, only saving the items
                // that pass the validator function
-               for ( var i = 0, length = elems.length; i < length; i++ ) {
+               for ( ; i < length; i++ ) {
                        retVal = !!callback( elems[ i ], i );
                        if ( inv !== retVal ) {
                                ret.push( elems[ i ] );
@@ -761,7 +717,8 @@ jQuery.extend({
 
        // arg is for internal usage only
        map: function( elems, callback, arg ) {
-               var value, key, ret = [],
+               var value, key,
+                       ret = [],
                        i = 0,
                        length = elems.length,
                        // jquery objects are treated as arrays
@@ -798,8 +755,10 @@ jQuery.extend({
        // Bind a function to a context, optionally partially applying any
        // arguments.
        proxy: function( fn, context ) {
+               var tmp, args, proxy;
+
                if ( typeof context === "string" ) {
-                       var tmp = fn[ context ];
+                       tmp = fn[ context ];
                        context = fn;
                        fn = tmp;
                }
@@ -811,10 +770,10 @@ jQuery.extend({
                }
 
                // Simulated bind
-               var args = slice.call( arguments, 2 ),
-                       proxy = function() {
-                               return fn.apply( context, args.concat( slice.call( arguments ) ) );
-                       };
+               args = core_slice.call( arguments, 2 );
+               proxy = function() {
+                       return fn.apply( context, args.concat( core_slice.call( arguments ) ) );
+               };
 
                // Set the guid of unique handler to the same of original handler, so it can be removed
                proxy.guid = fn.guid = fn.guid || proxy.guid || jQuery.guid++;
@@ -822,7 +781,7 @@ jQuery.extend({
                return proxy;
        },
 
-       // Mutifunctional method to get and set values to a collection
+       // Multifunctional method to get and set values of a collection
        // The value/s can optionally be executed if it's a function
        access: function( elems, fn, key, value, chainable, emptyGet, pass ) {
                var exec,
@@ -877,136 +836,95 @@ jQuery.extend({
 
        now: function() {
                return ( new Date() ).getTime();
-       },
-
-       // Use of jQuery.browser is frowned upon.
-       // More details: http://docs.jquery.com/Utilities/jQuery.browser
-       uaMatch: function( ua ) {
-               ua = ua.toLowerCase();
+       }
+});
 
-               var match = rwebkit.exec( ua ) ||
-                       ropera.exec( ua ) ||
-                       rmsie.exec( ua ) ||
-                       ua.indexOf("compatible") < 0 && rmozilla.exec( ua ) ||
-                       [];
+jQuery.ready.promise = function( obj ) {
+       if ( !readyList ) {
 
-               return { browser: match[1] || "", version: match[2] || "0" };
-       },
+               readyList = jQuery.Deferred();
 
-       sub: function() {
-               function jQuerySub( selector, context ) {
-                       return new jQuerySub.fn.init( selector, context );
-               }
-               jQuery.extend( true, jQuerySub, this );
-               jQuerySub.superclass = this;
-               jQuerySub.fn = jQuerySub.prototype = this();
-               jQuerySub.fn.constructor = jQuerySub;
-               jQuerySub.sub = this.sub;
-               jQuerySub.fn.init = function init( selector, context ) {
-                       if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
-                               context = jQuerySub( context );
-                       }
+               // Catch cases where $(document).ready() is called after the
+               // browser event has already occurred.
+               if ( document.readyState === "complete" || ( document.readyState !== "loading" && document.addEventListener ) ) {
+                       // Handle it asynchronously to allow scripts the opportunity to delay ready
+                       setTimeout( jQuery.ready, 1 );
 
-                       return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
-               };
-               jQuerySub.fn.init.prototype = jQuerySub.fn;
-               var rootjQuerySub = jQuerySub(document);
-               return jQuerySub;
-       },
+               // Standards-based browsers support DOMContentLoaded
+               } else if ( document.addEventListener ) {
+                       // Use the handy event callback
+                       document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );
 
-       browser: {}
-});
+                       // A fallback to window.onload, that will always work
+                       window.addEventListener( "load", jQuery.ready, false );
 
-// Populate the class2type map
-jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
-       class2type[ "[object " + name + "]" ] = name.toLowerCase();
-});
+               // If IE event model is used
+               } else {
+                       // Ensure firing before onload, maybe late but safe also for iframes
+                       document.attachEvent( "onreadystatechange", DOMContentLoaded );
 
-browserMatch = jQuery.uaMatch( userAgent );
-if ( browserMatch.browser ) {
-       jQuery.browser[ browserMatch.browser ] = true;
-       jQuery.browser.version = browserMatch.version;
-}
+                       // A fallback to window.onload, that will always work
+                       window.attachEvent( "onload", jQuery.ready );
 
-// Deprecated, use jQuery.browser.webkit instead
-if ( jQuery.browser.webkit ) {
-       jQuery.browser.safari = true;
-}
+                       // If IE and not a frame
+                       // continually check to see if the document is ready
+                       var top = false;
 
-// IE doesn't match non-breaking spaces with \s
-if ( rnotwhite.test( "\xA0" ) ) {
-       trimLeft = /^[\s\xA0]+/;
-       trimRight = /[\s\xA0]+$/;
-}
+                       try {
+                               top = window.frameElement == null && document.documentElement;
+                       } catch(e) {}
 
-// All jQuery objects should point back to these
-rootjQuery = jQuery(document);
+                       if ( top && top.doScroll ) {
+                               (function doScrollCheck() {
+                                       if ( !jQuery.isReady ) {
 
-// Cleanup functions for the document ready method
-if ( document.addEventListener ) {
-       DOMContentLoaded = function() {
-               document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
-               jQuery.ready();
-       };
+                                               try {
+                                                       // Use the trick by Diego Perini
+                                                       // http://javascript.nwbox.com/IEContentLoaded/
+                                                       top.doScroll("left");
+                                               } catch(e) {
+                                                       return setTimeout( doScrollCheck, 50 );
+                                               }
 
-} else if ( document.attachEvent ) {
-       DOMContentLoaded = function() {
-               // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
-               if ( document.readyState === "complete" ) {
-                       document.detachEvent( "onreadystatechange", DOMContentLoaded );
-                       jQuery.ready();
+                                               // and execute any waiting functions
+                                               jQuery.ready();
+                                       }
+                               })();
+                       }
                }
-       };
-}
-
-// The DOM ready check for Internet Explorer
-function doScrollCheck() {
-       if ( jQuery.isReady ) {
-               return;
-       }
-
-       try {
-               // If IE is used, use the trick by Diego Perini
-               // http://javascript.nwbox.com/IEContentLoaded/
-               document.documentElement.doScroll("left");
-       } catch(e) {
-               setTimeout( doScrollCheck, 1 );
-               return;
        }
+       return readyList.promise( obj );
+};
 
-       // and execute any waiting functions
-       jQuery.ready();
-}
-
-return jQuery;
-
-})();
-
-
-// String to Object flags format cache
-var flagsCache = {};
+// Populate the class2type map
+jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
+       class2type[ "[object " + name + "]" ] = name.toLowerCase();
+});
 
-// Convert String-formatted flags into Object-formatted ones and store in cache
-function createFlags( flags ) {
-       var object = flagsCache[ flags ] = {},
-               i, length;
-       flags = flags.split( /\s+/ );
-       for ( i = 0, length = flags.length; i < length; i++ ) {
-               object[ flags[i] ] = true;
-       }
+// All jQuery objects should point back to these
+rootjQuery = jQuery(document);
+// String to Object options format cache
+var optionsCache = {};
+
+// Convert String-formatted options into Object-formatted ones and store in cache
+function createOptions( options ) {
+       var object = optionsCache[ options ] = {};
+       jQuery.each( options.split( core_rspace ), function( _, flag ) {
+               object[ flag ] = true;
+       });
        return object;
 }
 
 /*
  * Create a callback list using the following parameters:
  *
- *     flags:  an optional list of space-separated flags that will change how
- *                     the callback list behaves
+ *     options: an optional list of space-separated options that will change how
+ *                     the callback list behaves or a more traditional option object
  *
  * By default a callback list will act like an event callback list and can be
  * "fired" multiple times.
  *
- * Possible flags:
+ * Possible options:
  *
  *     once:                   will ensure the callback list can only be fired once (like a Deferred)
  *
@@ -1019,17 +937,15 @@ function createFlags( flags ) {
  *     stopOnFalse:    interrupt callings when a callback returns false
  *
  */
-jQuery.Callbacks = function( flags ) {
+jQuery.Callbacks = function( options ) {
 
-       // Convert flags from String-formatted to Object-formatted
+       // Convert options from String-formatted to Object-formatted if needed
        // (we check in cache first)
-       flags = flags ? ( flagsCache[ flags ] || createFlags( flags ) ) : {};
+       options = typeof options === "string" ?
+               ( optionsCache[ options ] || createOptions( options ) ) :
+               jQuery.extend( {}, options );
 
-       var // Actual callback list
-               list = [],
-               // Stack of fire calls for repeatable lists
-               stack = [],
-               // Last fire value (for non-forgettable lists)
+       var // Last fire value (for non-forgettable lists)
                memory,
                // Flag to know if list was already fired
                fired,
@@ -1041,53 +957,34 @@ jQuery.Callbacks = function( flags ) {
                firingLength,
                // Index of currently firing callback (modified by remove if needed)
                firingIndex,
-               // Add one or several callbacks to the list
-               add = function( args ) {
-                       var i,
-                               length,
-                               elem,
-                               type,
-                               actual;
-                       for ( i = 0, length = args.length; i < length; i++ ) {
-                               elem = args[ i ];
-                               type = jQuery.type( elem );
-                               if ( type === "array" ) {
-                                       // Inspect recursively
-                                       add( elem );
-                               } else if ( type === "function" ) {
-                                       // Add if not in unique mode and callback is not in
-                                       if ( !flags.unique || !self.has( elem ) ) {
-                                               list.push( elem );
-                                       }
-                               }
-                       }
-               },
+               // Actual callback list
+               list = [],
+               // Stack of fire calls for repeatable lists
+               stack = !options.once && [],
                // Fire callbacks
-               fire = function( context, args ) {
-                       args = args || [];
-                       memory = !flags.memory || [ context, args ];
+               fire = function( data ) {
+                       memory = options.memory && data;
                        fired = true;
-                       firing = true;
                        firingIndex = firingStart || 0;
                        firingStart = 0;
                        firingLength = list.length;
+                       firing = true;
                        for ( ; list && firingIndex < firingLength; firingIndex++ ) {
-                               if ( list[ firingIndex ].apply( context, args ) === false && flags.stopOnFalse ) {
-                                       memory = true; // Mark as halted
+                               if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
+                                       memory = false; // To prevent further calls using add
                                        break;
                                }
                        }
                        firing = false;
                        if ( list ) {
-                               if ( !flags.once ) {
-                                       if ( stack && stack.length ) {
-                                               memory = stack.shift();
-                                               self.fireWith( memory[ 0 ], memory[ 1 ] );
+                               if ( stack ) {
+                                       if ( stack.length ) {
+                                               fire( stack.shift() );
                                        }
-                               } else if ( memory === true ) {
-                                       self.disable();
-                               } else {
+                               } else if ( memory ) {
                                        list = [];
+                               } else {
+                                       self.disable();
                                }
                        }
                },
@@ -1096,18 +993,27 @@ jQuery.Callbacks = function( flags ) {
                        // Add a callback or a collection of callbacks to the list
                        add: function() {
                                if ( list ) {
-                                       var length = list.length;
-                                       add( arguments );
+                                       // First, we save the current length
+                                       var start = list.length;
+                                       (function add( args ) {
+                                               jQuery.each( args, function( _, arg ) {
+                                                       if ( jQuery.isFunction( arg ) && ( !options.unique || !self.has( arg ) ) ) {
+                                                               list.push( arg );
+                                                       } else if ( arg && arg.length ) {
+                                                               // Inspect recursively
+                                                               add( arg );
+                                                       }
+                                               });
+                                       })( arguments );
                                        // Do we need to add the callbacks to the
                                        // current firing batch?
                                        if ( firing ) {
                                                firingLength = list.length;
                                        // With memory, if we're not firing then
-                                       // we should call right away, unless previous
-                                       // firing was halted (stopOnFalse)
-                                       } else if ( memory && memory !== true ) {
-                                               firingStart = length;
-                                               fire( memory[ 0 ], memory[ 1 ] );
+                                       // we should call right away
+                                       } else if ( memory ) {
+                                               firingStart = start;
+                                               fire( memory );
                                        }
                                }
                                return this;
@@ -1115,46 +1021,27 @@ jQuery.Callbacks = function( flags ) {
                        // Remove a callback from the list
                        remove: function() {
                                if ( list ) {
-                                       var args = arguments,
-                                               argIndex = 0,
-                                               argLength = args.length;
-                                       for ( ; argIndex < argLength ; argIndex++ ) {
-                                               for ( var i = 0; i < list.length; i++ ) {
-                                                       if ( args[ argIndex ] === list[ i ] ) {
-                                                               // Handle firingIndex and firingLength
-                                                               if ( firing ) {
-                                                                       if ( i <= firingLength ) {
-                                                                               firingLength--;
-                                                                               if ( i <= firingIndex ) {
-                                                                                       firingIndex--;
-                                                                               }
-                                                                       }
+                                       jQuery.each( arguments, function( _, arg ) {
+                                               var index;
+                                               while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
+                                                       list.splice( index, 1 );
+                                                       // Handle firing indexes
+                                                       if ( firing ) {
+                                                               if ( index <= firingLength ) {
+                                                                       firingLength--;
                                                                }
-                                                               // Remove the element
-                                                               list.splice( i--, 1 );
-                                                               // If we have some unicity property then
-                                                               // we only need to do this once
-                                                               if ( flags.unique ) {
-                                                                       break;
+                                                               if ( index <= firingIndex ) {
+                                                                       firingIndex--;
                                                                }
                                                        }
                                                }
-                                       }
+                                       });
                                }
                                return this;
                        },
                        // Control if a given callback is in the list
                        has: function( fn ) {
-                               if ( list ) {
-                                       var i = 0,
-                                               length = list.length;
-                                       for ( ; i < length; i++ ) {
-                                               if ( fn === list[ i ] ) {
-                                                       return true;
-                                               }
-                                       }
-                               }
-                               return false;
+                               return jQuery.inArray( fn, list ) > -1;
                        },
                        // Remove all callbacks from the list
                        empty: function() {
@@ -1173,7 +1060,7 @@ jQuery.Callbacks = function( flags ) {
                        // Lock the list in its current state
                        lock: function() {
                                stack = undefined;
-                               if ( !memory || memory === true ) {
+                               if ( !memory ) {
                                        self.disable();
                                }
                                return this;
@@ -1184,13 +1071,13 @@ jQuery.Callbacks = function( flags ) {
                        },
                        // Call all callbacks with the given context and arguments
                        fireWith: function( context, args ) {
-                               if ( stack ) {
+                               args = args || [];
+                               args = [ context, args.slice ? args.slice() : args ];
+                               if ( list && ( !fired || stack ) ) {
                                        if ( firing ) {
-                                               if ( !flags.once ) {
-                                                       stack.push( [ context, args ] );
-                                               }
-                                       } else if ( !( flags.once && memory ) ) {
-                                               fire( context, args );
+                                               stack.push( args );
+                                       } else {
+                                               fire( args );
                                        }
                                }
                                return this;
@@ -1208,98 +1095,85 @@ jQuery.Callbacks = function( flags ) {
 
        return self;
 };
-
-
-
-
-var // Static reference to slice
-       sliceDeferred = [].slice;
-
 jQuery.extend({
 
        Deferred: function( func ) {
-               var doneList = jQuery.Callbacks( "once memory" ),
-                       failList = jQuery.Callbacks( "once memory" ),
-                       progressList = jQuery.Callbacks( "memory" ),
+               var tuples = [
+                               // action, add listener, listener list, final state
+                               [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
+                               [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
+                               [ "notify", "progress", jQuery.Callbacks("memory") ]
+                       ],
                        state = "pending",
-                       lists = {
-                               resolve: doneList,
-                               reject: failList,
-                               notify: progressList
-                       },
                        promise = {
-                               done: doneList.add,
-                               fail: failList.add,
-                               progress: progressList.add,
-
                                state: function() {
                                        return state;
                                },
-
-                               // Deprecated
-                               isResolved: doneList.fired,
-                               isRejected: failList.fired,
-
-                               then: function( doneCallbacks, failCallbacks, progressCallbacks ) {
-                                       deferred.done( doneCallbacks ).fail( failCallbacks ).progress( progressCallbacks );
-                                       return this;
-                               },
                                always: function() {
-                                       deferred.done.apply( deferred, arguments ).fail.apply( deferred, arguments );
+                                       deferred.done( arguments ).fail( arguments );
                                        return this;
                                },
-                               pipe: function( fnDone, fnFail, fnProgress ) {
+                               then: function( /* fnDone, fnFail, fnProgress */ ) {
+                                       var fns = arguments;
                                        return jQuery.Deferred(function( newDefer ) {
-                                               jQuery.each( {
-                                                       done: [ fnDone, "resolve" ],
-                                                       fail: [ fnFail, "reject" ],
-                                                       progress: [ fnProgress, "notify" ]
-                                               }, function( handler, data ) {
-                                                       var fn = data[ 0 ],
-                                                               action = data[ 1 ],
-                                                               returned;
-                                                       if ( jQuery.isFunction( fn ) ) {
-                                                               deferred[ handler ](function() {
-                                                                       returned = fn.apply( this, arguments );
+                                               jQuery.each( tuples, function( i, tuple ) {
+                                                       var action = tuple[ 0 ],
+                                                               fn = fns[ i ];
+                                                       // deferred[ done | fail | progress ] for forwarding actions to newDefer
+                                                       deferred[ tuple[1] ]( jQuery.isFunction( fn ) ?
+                                                               function() {
+                                                                       var returned = fn.apply( this, arguments );
                                                                        if ( returned && jQuery.isFunction( returned.promise ) ) {
-                                                                               returned.promise().then( newDefer.resolve, newDefer.reject, newDefer.notify );
+                                                                               returned.promise()
+                                                                                       .done( newDefer.resolve )
+                                                                                       .fail( newDefer.reject )
+                                                                                       .progress( newDefer.notify );
                                                                        } else {
                                                                                newDefer[ action + "With" ]( this === deferred ? newDefer : this, [ returned ] );
                                                                        }
-                                                               });
-                                                       } else {
-                                                               deferred[ handler ]( newDefer[ action ] );
-                                                       }
+                                                               } :
+                                                               newDefer[ action ]
+                                                       );
                                                });
+                                               fns = null;
                                        }).promise();
                                },
                                // Get a promise for this deferred
                                // If obj is provided, the promise aspect is added to the object
                                promise: function( obj ) {
-                                       if ( obj == null ) {
-                                               obj = promise;
-                                       } else {
-                                               for ( var key in promise ) {
-                                                       obj[ key ] = promise[ key ];
-                                               }
-                                       }
-                                       return obj;
+                                       return typeof obj === "object" ? jQuery.extend( obj, promise ) : promise;
                                }
                        },
-                       deferred = promise.promise({}),
-                       key;
+                       deferred = {};
 
-               for ( key in lists ) {
-                       deferred[ key ] = lists[ key ].fire;
-                       deferred[ key + "With" ] = lists[ key ].fireWith;
-               }
+               // Keep pipe for back-compat
+               promise.pipe = promise.then;
+
+               // Add list-specific methods
+               jQuery.each( tuples, function( i, tuple ) {
+                       var list = tuple[ 2 ],
+                               stateString = tuple[ 3 ];
+
+                       // promise[ done | fail | progress ] = list.add
+                       promise[ tuple[1] ] = list.add;
+
+                       // Handle state
+                       if ( stateString ) {
+                               list.add(function() {
+                                       // state = [ resolved | rejected ]
+                                       state = stateString;
 
-               // Handle state
-               deferred.done( function() {
-                       state = "resolved";
-               }, failList.disable, progressList.lock ).fail( function() {
-                       state = "rejected";
-               }, doneList.disable, progressList.lock );
+                               // [ reject_list | resolve_list ].disable; progress_list.lock
+                               }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
+                       }
+
+                       // deferred[ resolve | reject | notify ] = list.fire
+                       deferred[ tuple[0] ] = list.fire;
+                       deferred[ tuple[0] + "With" ] = list.fireWith;
+               });
+
+               // Make the deferred a promise
+               promise.promise( deferred );
 
                // Call given func if any
                if ( func ) {
@@ -1311,52 +1185,57 @@ jQuery.extend({
        },
 
        // Deferred helper
-       when: function( firstParam ) {
-               var args = sliceDeferred.call( arguments, 0 ),
-                       i = 0,
-                       length = args.length,
-                       pValues = new Array( length ),
-                       count = length,
-                       pCount = length,
-                       deferred = length <= 1 && firstParam && jQuery.isFunction( firstParam.promise ) ?
-                               firstParam :
-                               jQuery.Deferred(),
-                       promise = deferred.promise();
-               function resolveFunc( i ) {
-                       return function( value ) {
-                               args[ i ] = arguments.length > 1 ? sliceDeferred.call( arguments, 0 ) : value;
-                               if ( !( --count ) ) {
-                                       deferred.resolveWith( deferred, args );
-                               }
-                       };
-               }
-               function progressFunc( i ) {
-                       return function( value ) {
-                               pValues[ i ] = arguments.length > 1 ? sliceDeferred.call( arguments, 0 ) : value;
-                               deferred.notifyWith( promise, pValues );
-                       };
-               }
+       when: function( subordinate /* , ..., subordinateN */ ) {
+               var i = 0,
+                       resolveValues = core_slice.call( arguments ),
+                       length = resolveValues.length,
+
+                       // the count of uncompleted subordinates
+                       remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
+
+                       // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
+                       deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
+
+                       // Update function for both resolve and progress values
+                       updateFunc = function( i, contexts, values ) {
+                               return function( value ) {
+                                       contexts[ i ] = this;
+                                       values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
+                                       if( values === progressValues ) {
+                                               deferred.notifyWith( contexts, values );
+                                       } else if ( !( --remaining ) ) {
+                                               deferred.resolveWith( contexts, values );
+                                       }
+                               };
+                       },
+
+                       progressValues, progressContexts, resolveContexts;
+
+               // add listeners to Deferred subordinates; treat others as resolved
                if ( length > 1 ) {
+                       progressValues = new Array( length );
+                       progressContexts = new Array( length );
+                       resolveContexts = new Array( length );
                        for ( ; i < length; i++ ) {
-                               if ( args[ i ] && args[ i ].promise && jQuery.isFunction( args[ i ].promise ) ) {
-                                       args[ i ].promise().then( resolveFunc(i), deferred.reject, progressFunc(i) );
+                               if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
+                                       resolveValues[ i ].promise()
+                                               .done( updateFunc( i, resolveContexts, resolveValues ) )
+                                               .fail( deferred.reject )
+                                               .progress( updateFunc( i, progressContexts, progressValues ) );
                                } else {
-                                       --count;
+                                       --remaining;
                                }
                        }
-                       if ( !count ) {
-                               deferred.resolveWith( deferred, args );
-                       }
-               } else if ( deferred !== firstParam ) {
-                       deferred.resolveWith( deferred, length ? [ firstParam ] : [] );
                }
-               return promise;
-       }
-});
-
-
 
+               // if we're not waiting on anything, resolve the master
+               if ( !remaining ) {
+                       deferred.resolveWith( resolveContexts, resolveValues );
+               }
 
+               return deferred.promise();
+       }
+});
 jQuery.support = (function() {
 
        var support,
@@ -1366,20 +1245,19 @@ jQuery.support = (function() {
                opt,
                input,
                fragment,
-               tds,
-               events,
                eventName,
                i,
                isSupported,
-               div = document.createElement( "div" ),
-               documentElement = document.documentElement;
+               clickFn,
+               div = document.createElement("div");
 
        // Preliminary tests
-       div.setAttribute("className", "t");
-       div.innerHTML = "   <link/><table></table><a href='/a' style='top:1px;float:left;opacity:.55;'>a</a><input type='checkbox'/>";
+       div.setAttribute( "className", "t" );
+       div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
 
-       all = div.getElementsByTagName( "*" );
-       a = div.getElementsByTagName( "a" )[ 0 ];
+       all = div.getElementsByTagName("*");
+       a = div.getElementsByTagName("a")[ 0 ];
+       a.style.cssText = "top:1px;float:left;opacity:.5";
 
        // Can't get basic test support
        if ( !all || !all.length || !a ) {
@@ -1387,9 +1265,9 @@ jQuery.support = (function() {
        }
 
        // First batch of supports tests
-       select = document.createElement( "select" );
+       select = document.createElement("select");
        opt = select.appendChild( document.createElement("option") );
-       input = div.getElementsByTagName( "input" )[ 0 ];
+       input = div.getElementsByTagName("input")[ 0 ];
 
        support = {
                // IE strips leading whitespace when .innerHTML is used
@@ -1414,7 +1292,7 @@ jQuery.support = (function() {
                // Make sure that element opacity exists
                // (IE uses filter instead)
                // Use a regex to work around a WebKit issue. See #5145
-               opacity: /^0.55/.test( a.style.opacity ),
+               opacity: /^0.5/.test( a.style.opacity ),
 
                // Verify style float existence
                // (IE uses styleFloat instead of cssFloat)
@@ -1439,6 +1317,9 @@ jQuery.support = (function() {
                // Where outerHTML is undefined, this still works
                html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>",
 
+               // jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
+               boxModel: ( document.compatMode === "CSS1Compat" ),
+
                // Will be defined later
                submitBubbles: true,
                changeBubbles: true,
@@ -1448,12 +1329,10 @@ jQuery.support = (function() {
                inlineBlockNeedsLayout: false,
                shrinkWrapBlocks: false,
                reliableMarginRight: true,
-               pixelMargin: true
+               boxSizingReliable: true,
+               pixelPosition: false
        };
 
-       // jQuery.boxModel DEPRECATED in 1.3, use jQuery.support.boxModel instead
-       jQuery.boxModel = support.boxModel = (document.compatMode === "CSS1Compat");
-
        // Make sure checked status is properly cloned
        input.checked = true;
        support.noCloneChecked = input.cloneNode( true ).checked;
@@ -1472,22 +1351,23 @@ jQuery.support = (function() {
        }
 
        if ( !div.addEventListener && div.attachEvent && div.fireEvent ) {
-               div.attachEvent( "onclick", function() {
+               div.attachEvent( "onclick", clickFn = function() {
                        // Cloning a node shouldn't copy over any
                        // bound event handlers (IE does this)
                        support.noCloneEvent = false;
                });
-               div.cloneNode( true ).fireEvent( "onclick" );
+               div.cloneNode( true ).fireEvent("onclick");
+               div.detachEvent( "onclick", clickFn );
        }
 
        // Check if a radio maintains its value
        // after being appended to the DOM
        input = document.createElement("input");
        input.value = "t";
-       input.setAttribute("type", "radio");
+       input.setAttribute( "type", "radio" );
        support.radioValue = input.value === "t";
 
-       input.setAttribute("checked", "checked");
+       input.setAttribute( "checked", "checked" );
 
        // #11217 - WebKit loses check when the name is after the checked attribute
        input.setAttribute( "name", "t" );
@@ -1514,9 +1394,9 @@ jQuery.support = (function() {
        // to go haywire. See: https://developer.mozilla.org/en/Security/CSP
        if ( div.attachEvent ) {
                for ( i in {
-                       submit: 1,
-                       change: 1,
-                       focusin: 1
+                       submit: true,
+                       change: true,
+                       focusin: true
                }) {
                        eventName = "on" + i;
                        isSupported = ( eventName in div );
@@ -1528,16 +1408,10 @@ jQuery.support = (function() {
                }
        }
 
-       fragment.removeChild( div );
-
-       // Null elements to avoid leaks in IE
-       fragment = select = opt = div = input = null;
-
        // Run tests that need a body at doc ready
        jQuery(function() {
-               var container, outer, inner, table, td, offsetSupport,
-                       marginDiv, conMarginTop, style, html, positionTopLeftWidthHeight,
-                       paddingMarginBorderVisibility, paddingMarginBorder,
+               var container, div, tds, marginDiv,
+                       divReset = "padding:0;margin:0;border:0;display:block;overflow:hidden;",
                        body = document.getElementsByTagName("body")[0];
 
                if ( !body ) {
@@ -1545,17 +1419,8 @@ jQuery.support = (function() {
                        return;
                }
 
-               conMarginTop = 1;
-               paddingMarginBorder = "padding:0;margin:0;border:";
-               positionTopLeftWidthHeight = "position:absolute;top:0;left:0;width:1px;height:1px;";
-               paddingMarginBorderVisibility = paddingMarginBorder + "0;visibility:hidden;";
-               style = "style='" + positionTopLeftWidthHeight + paddingMarginBorder + "5px solid #000;";
-               html = "<div " + style + "display:block;'><div style='" + paddingMarginBorder + "0;display:block;overflow:hidden;'></div></div>" +
-                       "<table " + style + "' cellpadding='0' cellspacing='0'>" +
-                       "<tr><td></td></tr></table>";
-
                container = document.createElement("div");
-               container.style.cssText = paddingMarginBorderVisibility + "width:0;height:0;position:static;top:0;margin-top:" + conMarginTop + "px";
+               container.style.cssText = "visibility:hidden;border:0;width:0;height:0;position:static;top:0;margin-top:1px";
                body.insertBefore( container, body.firstChild );
 
                // Construct the test element
@@ -1569,8 +1434,9 @@ jQuery.support = (function() {
                // display:none (it is still safe to use offsets if a parent element is
                // hidden; don safety goggles and see bug #4512 for more information).
                // (only IE 8 fails this test)
-               div.innerHTML = "<table><tr><td style='" + paddingMarginBorder + "0;display:none'></td><td>t</td></tr></table>";
-               tds = div.getElementsByTagName( "td" );
+               div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
+               tds = div.getElementsByTagName("td");
+               tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
                isSupported = ( tds[ 0 ].offsetHeight === 0 );
 
                tds[ 0 ].style.display = "";
@@ -1580,20 +1446,32 @@ jQuery.support = (function() {
                // (IE <= 8 fail this test)
                support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
 
-               // Check if div with explicit width and no margin-right incorrectly
-               // gets computed margin-right based on width of container. For more
-               // info see bug #3333
-               // Fails in WebKit before Feb 2011 nightlies
-               // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
+               // Check box-sizing and margin behavior
+               div.innerHTML = "";
+               div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
+               support.boxSizing = ( div.offsetWidth === 4 );
+               support.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== 1 );
+
+               // NOTE: To any future maintainer, window.getComputedStyle was used here
+               // instead of getComputedStyle because it gave a better gzip size.
+               // The difference between window.getComputedStyle and getComputedStyle is
+               // 7 bytes
                if ( window.getComputedStyle ) {
-                       div.innerHTML = "";
-                       marginDiv = document.createElement( "div" );
-                       marginDiv.style.width = "0";
-                       marginDiv.style.marginRight = "0";
-                       div.style.width = "2px";
+                       support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
+                       support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
+
+                       // Check if div with explicit width and no margin-right incorrectly
+                       // gets computed margin-right based on width of container. For more
+                       // info see bug #3333
+                       // Fails in WebKit before Feb 2011 nightlies
+                       // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
+                       marginDiv = document.createElement("div");
+                       marginDiv.style.cssText = div.style.cssText = divReset;
+                       marginDiv.style.marginRight = marginDiv.style.width = "0";
+                       div.style.width = "1px";
                        div.appendChild( marginDiv );
                        support.reliableMarginRight =
-                               ( parseInt( ( window.getComputedStyle( marginDiv, null ) || { marginRight: 0 } ).marginRight, 10 ) || 0 ) === 0;
+                               !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
                }
 
                if ( typeof div.style.zoom !== "undefined" ) {
@@ -1602,73 +1480,39 @@ jQuery.support = (function() {
                        // them layout
                        // (IE < 8 does this)
                        div.innerHTML = "";
-                       div.style.width = div.style.padding = "1px";
-                       div.style.border = 0;
-                       div.style.overflow = "hidden";
-                       div.style.display = "inline";
-                       div.style.zoom = 1;
+                       div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
                        support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
 
                        // Check if elements with layout shrink-wrap their children
                        // (IE 6 does this)
                        div.style.display = "block";
                        div.style.overflow = "visible";
-                       div.innerHTML = "<div style='width:5px;'></div>";
+                       div.innerHTML = "<div></div>";
+                       div.firstChild.style.width = "5px";
                        support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
-               }
-
-               div.style.cssText = positionTopLeftWidthHeight + paddingMarginBorderVisibility;
-               div.innerHTML = html;
-
-               outer = div.firstChild;
-               inner = outer.firstChild;
-               td = outer.nextSibling.firstChild.firstChild;
-
-               offsetSupport = {
-                       doesNotAddBorder: ( inner.offsetTop !== 5 ),
-                       doesAddBorderForTableAndCells: ( td.offsetTop === 5 )
-               };
 
-               inner.style.position = "fixed";
-               inner.style.top = "20px";
-
-               // safari subtracts parent border width here which is 5px
-               offsetSupport.fixedPosition = ( inner.offsetTop === 20 || inner.offsetTop === 15 );
-               inner.style.position = inner.style.top = "";
-
-               outer.style.overflow = "hidden";
-               outer.style.position = "relative";
-
-               offsetSupport.subtractsBorderForOverflowNotVisible = ( inner.offsetTop === -5 );
-               offsetSupport.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== conMarginTop );
-
-               if ( window.getComputedStyle ) {
-                       div.style.marginTop = "1%";
-                       support.pixelMargin = ( window.getComputedStyle( div, null ) || { marginTop: 0 } ).marginTop !== "1%";
-               }
-
-               if ( typeof container.style.zoom !== "undefined" ) {
                        container.style.zoom = 1;
                }
 
+               // Null elements to avoid leaks in IE
                body.removeChild( container );
-               marginDiv = div = container = null;
-
-               jQuery.extend( support, offsetSupport );
+               container = div = tds = marginDiv = null;
        });
 
+       // Null elements to avoid leaks in IE
+       fragment.removeChild( div );
+       all = a = select = opt = input = fragment = div = null;
+
        return support;
 })();
-
-
-
-
 var rbrace = /^(?:\{.*\}|\[.*\])$/,
        rmultiDash = /([A-Z])/g;
 
 jQuery.extend({
        cache: {},
 
+       deletedIds: [],
+
        // Please use with caution
        uuid: 0,
 
@@ -1695,7 +1539,7 @@ jQuery.extend({
                        return;
                }
 
-               var privateCache, thisCache, ret,
+               var thisCache, ret,
                        internalKey = jQuery.expando,
                        getByName = typeof name === "string",
 
@@ -1709,12 +1553,11 @@ jQuery.extend({
 
                        // Only defining an ID for JS objects if its cache already exists allows
                        // the code to shortcut on the same path as a DOM node with no cache
-                       id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey,
-                       isEvents = name === "events";
+                       id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
 
                // Avoid doing any more work than we need to when trying to get data on an
                // object that has no data at all
-               if ( (!id || !cache[id] || (!isEvents && !pvt && !cache[id].data)) && getByName && data === undefined ) {
+               if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && getByName && data === undefined ) {
                        return;
                }
 
@@ -1722,7 +1565,7 @@ jQuery.extend({
                        // Only DOM nodes need a new unique ID for each element since their data
                        // ends up in the global cache
                        if ( isNode ) {
-                               elem[ internalKey ] = id = ++jQuery.uuid;
+                               elem[ internalKey ] = id = jQuery.deletedIds.pop() || ++jQuery.uuid;
                        } else {
                                id = internalKey;
                        }
@@ -1748,7 +1591,7 @@ jQuery.extend({
                        }
                }
 
-               privateCache = thisCache = cache[ id ];
+               thisCache = cache[ id ];
 
                // jQuery data() is stored in a separate object inside the object's internal data
                // cache in order to avoid key collisions between internal data and user-defined
@@ -1765,12 +1608,6 @@ jQuery.extend({
                        thisCache[ jQuery.camelCase( name ) ] = data;
                }
 
-               // Users should not attempt to inspect the internal events object using jQuery.data,
-               // it is undocumented and subject to change. But does anyone listen? No.
-               if ( isEvents && !thisCache[ name ] ) {
-                       return privateCache.events;
-               }
-
                // Check for both converted-to-camel and non-converted data property names
                // If a data property was specified
                if ( getByName ) {
@@ -1798,16 +1635,11 @@ jQuery.extend({
 
                var thisCache, i, l,
 
-                       // Reference to internal data cache key
-                       internalKey = jQuery.expando,
-
                        isNode = elem.nodeType,
 
                        // See jQuery.data for more information
                        cache = isNode ? jQuery.cache : elem,
-
-                       // See jQuery.data for more information
-                       id = isNode ? elem[ internalKey ] : internalKey;
+                       id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
 
                // If there is already no cache entry for this object, there is no
                // purpose in continuing
@@ -1834,7 +1666,7 @@ jQuery.extend({
                                                if ( name in thisCache ) {
                                                        name = [ name ];
                                                } else {
-                                                       name = name.split( " " );
+                                                       name = name.split(" ");
                                                }
                                        }
                                }
@@ -1857,35 +1689,23 @@ jQuery.extend({
 
                        // Don't destroy the parent cache unless the internal data object
                        // had been the only thing left in it
-                       if ( !isEmptyDataObject(cache[ id ]) ) {
+                       if ( !isEmptyDataObject( cache[ id ] ) ) {
                                return;
                        }
                }
 
-               // Browsers that fail expando deletion also refuse to delete expandos on
-               // the window, but it will allow it on all other JS objects; other browsers
-               // don't care
-               // Ensure that `cache` is not a window object #10080
-               if ( jQuery.support.deleteExpando || !cache.setInterval ) {
+               // Destroy the cache
+               if ( isNode ) {
+                       jQuery.cleanData( [ elem ], true );
+
+               // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
+               } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
                        delete cache[ id ];
+
+               // When all else fails, null
                } else {
                        cache[ id ] = null;
                }
-
-               // We destroyed the cache and need to eliminate the expando on the node to avoid
-               // false lookups in the cache for entries that no longer exist
-               if ( isNode ) {
-                       // IE does not allow us to delete expando properties from nodes,
-                       // nor does it have a removeAttribute function on Document nodes;
-                       // we must handle all of these cases
-                       if ( jQuery.support.deleteExpando ) {
-                               delete elem[ internalKey ];
-                       } else if ( elem.removeAttribute ) {
-                               elem.removeAttribute( internalKey );
-                       } else {
-                               elem[ internalKey ] = null;
-                       }
-               }
        },
 
        // For internal use only.
@@ -1895,15 +1715,10 @@ jQuery.extend({
 
        // A method for determining if a DOM node can handle the data expando
        acceptData: function( elem ) {
-               if ( elem.nodeName ) {
-                       var match = jQuery.noData[ elem.nodeName.toLowerCase() ];
-
-                       if ( match ) {
-                               return !(match === true || elem.getAttribute("classid") !== match);
-                       }
-               }
+               var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];
 
-               return true;
+               // nodes accept data unless otherwise specified; rejection can be conditional
+               return !noData || noData !== true && elem.getAttribute("classid") === noData;
        }
 });
 
@@ -1996,8 +1811,9 @@ function dataAttr( elem, key, data ) {
                                data = data === "true" ? true :
                                data === "false" ? false :
                                data === "null" ? null :
-                               jQuery.isNumeric( data ) ? +data :
-                                       rbrace.test( data ) ? jQuery.parseJSON( data ) :
+                               // Only convert to a number if it doesn't change the string
+                               +data + "" === data ? +data :
+                               rbrace.test( data ) ? jQuery.parseJSON( data ) :
                                        data;
                        } catch( e ) {}
 
@@ -2014,7 +1830,8 @@ function dataAttr( elem, key, data ) {
 
 // checks a cache object for emptiness
 function isEmptyDataObject( obj ) {
-       for ( var name in obj ) {
+       var name;
+       for ( name in obj ) {
 
                // if the public data object is empty, the private is still empty
                if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
@@ -2027,73 +1844,23 @@ function isEmptyDataObject( obj ) {
 
        return true;
 }
-
-
-
-
-function handleQueueMarkDefer( elem, type, src ) {
-       var deferDataKey = type + "defer",
-               queueDataKey = type + "queue",
-               markDataKey = type + "mark",
-               defer = jQuery._data( elem, deferDataKey );
-       if ( defer &&
-               ( src === "queue" || !jQuery._data(elem, queueDataKey) ) &&
-               ( src === "mark" || !jQuery._data(elem, markDataKey) ) ) {
-               // Give room for hard-coded callbacks to fire first
-               // and eventually mark/queue something else on the element
-               setTimeout( function() {
-                       if ( !jQuery._data( elem, queueDataKey ) &&
-                               !jQuery._data( elem, markDataKey ) ) {
-                               jQuery.removeData( elem, deferDataKey, true );
-                               defer.fire();
-                       }
-               }, 0 );
-       }
-}
-
 jQuery.extend({
-
-       _mark: function( elem, type ) {
-               if ( elem ) {
-                       type = ( type || "fx" ) + "mark";
-                       jQuery._data( elem, type, (jQuery._data( elem, type ) || 0) + 1 );
-               }
-       },
-
-       _unmark: function( force, elem, type ) {
-               if ( force !== true ) {
-                       type = elem;
-                       elem = force;
-                       force = false;
-               }
-               if ( elem ) {
-                       type = type || "fx";
-                       var key = type + "mark",
-                               count = force ? 0 : ( (jQuery._data( elem, key ) || 1) - 1 );
-                       if ( count ) {
-                               jQuery._data( elem, key, count );
-                       } else {
-                               jQuery.removeData( elem, key, true );
-                               handleQueueMarkDefer( elem, type, "mark" );
-                       }
-               }
-       },
-
        queue: function( elem, type, data ) {
-               var q;
+               var queue;
+
                if ( elem ) {
                        type = ( type || "fx" ) + "queue";
-                       q = jQuery._data( elem, type );
+                       queue = jQuery._data( elem, type );
 
                        // Speed up dequeue by getting out quickly if this is just a lookup
                        if ( data ) {
-                               if ( !q || jQuery.isArray(data) ) {
-                                       q = jQuery._data( elem, type, jQuery.makeArray(data) );
+                               if ( !queue || jQuery.isArray(data) ) {
+                                       queue = jQuery._data( elem, type, jQuery.makeArray(data) );
                                } else {
-                                       q.push( data );
+                                       queue.push( data );
                                }
                        }
-                       return q || [];
+                       return queue || [];
                }
        },
 
@@ -2102,7 +1869,10 @@ jQuery.extend({
 
                var queue = jQuery.queue( elem, type ),
                        fn = queue.shift(),
-                       hooks = {};
+                       hooks = jQuery._queueHooks( elem, type ),
+                       next = function() {
+                               jQuery.dequeue( elem, type );
+                       };
 
                // If the fx queue is dequeued, always remove the progress sentinel
                if ( fn === "inprogress" ) {
@@ -2110,22 +1880,31 @@ jQuery.extend({
                }
 
                if ( fn ) {
+
                        // Add a progress sentinel to prevent the fx queue from being
                        // automatically dequeued
                        if ( type === "fx" ) {
                                queue.unshift( "inprogress" );
                        }
 
-                       jQuery._data( elem, type + ".run", hooks );
-                       fn.call( elem, function() {
-                               jQuery.dequeue( elem, type );
-                       }, hooks );
+                       // clear up the last queue stop function
+                       delete hooks.stop;
+                       fn.call( elem, next, hooks );
                }
-
-               if ( !queue.length ) {
-                       jQuery.removeData( elem, type + "queue " + type + ".run", true );
-                       handleQueueMarkDefer( elem, type, "queue" );
+               if ( !queue.length && hooks ) {
+                       hooks.empty.fire();
                }
+       },
+
+       // not intended for public consumption - generates a queueHooks object, or returns the current one
+       _queueHooks: function( elem, type ) {
+               var key = type + "queueHooks";
+               return jQuery._data( elem, key ) || jQuery._data( elem, key, {
+                       empty: jQuery.Callbacks("once memory").add(function() {
+                               jQuery.removeData( elem, type + "queue", true );
+                               jQuery.removeData( elem, key, true );
+                       })
+               });
        }
 });
 
@@ -2148,6 +1927,9 @@ jQuery.fn.extend({
                        this.each(function() {
                                var queue = jQuery.queue( this, type, data );
 
+                               // ensure a hooks for this queue
+                               jQuery._queueHooks( this, type );
+
                                if ( type === "fx" && queue[0] !== "inprogress" ) {
                                        jQuery.dequeue( this, type );
                                }
@@ -2176,51 +1958,42 @@ jQuery.fn.extend({
        },
        // Get a promise resolved when queues of a certain type
        // are emptied (fx is the type by default)
-       promise: function( type, object ) {
+       promise: function( type, obj ) {
+               var tmp,
+                       count = 1,
+                       defer = jQuery.Deferred(),
+                       elements = this,
+                       i = this.length,
+                       resolve = function() {
+                               if ( !( --count ) ) {
+                                       defer.resolveWith( elements, [ elements ] );
+                               }
+                       };
+
                if ( typeof type !== "string" ) {
-                       object = type;
+                       obj = type;
                        type = undefined;
                }
                type = type || "fx";
-               var defer = jQuery.Deferred(),
-                       elements = this,
-                       i = elements.length,
-                       count = 1,
-                       deferDataKey = type + "defer",
-                       queueDataKey = type + "queue",
-                       markDataKey = type + "mark",
-                       tmp;
-               function resolve() {
-                       if ( !( --count ) ) {
-                               defer.resolveWith( elements, [ elements ] );
-                       }
-               }
+
                while( i-- ) {
-                       if (( tmp = jQuery.data( elements[ i ], deferDataKey, undefined, true ) ||
-                                       ( jQuery.data( elements[ i ], queueDataKey, undefined, true ) ||
-                                               jQuery.data( elements[ i ], markDataKey, undefined, true ) ) &&
-                                       jQuery.data( elements[ i ], deferDataKey, jQuery.Callbacks( "once memory" ), true ) )) {
+                       if ( (tmp = jQuery._data( elements[ i ], type + "queueHooks" )) && tmp.empty ) {
                                count++;
-                               tmp.add( resolve );
+                               tmp.empty.add( resolve );
                        }
                }
                resolve();
-               return defer.promise( object );
+               return defer.promise( obj );
        }
 });
-
-
-
-
-var rclass = /[\n\t\r]/g,
-       rspace = /\s+/,
+var nodeHook, boolHook, fixSpecified,
+       rclass = /[\t\r\n]/g,
        rreturn = /\r/g,
        rtype = /^(?:button|input)$/i,
        rfocusable = /^(?:button|input|object|select|textarea)$/i,
-       rclickable = /^a(?:rea)?$/i,
+       rclickable = /^a(?:rea|)$/i,
        rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
-       getSetAttribute = jQuery.support.getSetAttribute,
-       nodeHook, boolHook, fixSpecified;
+       getSetAttribute = jQuery.support.getSetAttribute;
 
 jQuery.fn.extend({
        attr: function( name, value ) {
@@ -2259,7 +2032,7 @@ jQuery.fn.extend({
                }
 
                if ( value && typeof value === "string" ) {
-                       classNames = value.split( rspace );
+                       classNames = value.split( core_rspace );
 
                        for ( i = 0, l = this.length; i < l; i++ ) {
                                elem = this[ i ];
@@ -2286,31 +2059,30 @@ jQuery.fn.extend({
        },
 
        removeClass: function( value ) {
-               var classNames, i, l, elem, className, c, cl;
+               var removes, className, elem, c, cl, i, l;
 
                if ( jQuery.isFunction( value ) ) {
                        return this.each(function( j ) {
                                jQuery( this ).removeClass( value.call(this, j, this.className) );
                        });
                }
-
                if ( (value && typeof value === "string") || value === undefined ) {
-                       classNames = ( value || "" ).split( rspace );
+                       removes = ( value || "" ).split( core_rspace );
 
                        for ( i = 0, l = this.length; i < l; i++ ) {
                                elem = this[ i ];
-
                                if ( elem.nodeType === 1 && elem.className ) {
-                                       if ( value ) {
-                                               className = (" " + elem.className + " ").replace( rclass, " " );
-                                               for ( c = 0, cl = classNames.length; c < cl; c++ ) {
-                                                       className = className.replace(" " + classNames[ c ] + " ", " ");
-                                               }
-                                               elem.className = jQuery.trim( className );
 
-                                       } else {
-                                               elem.className = "";
+                                       className = (" " + elem.className + " ").replace( rclass, " " );
+
+                                       // loop over each item in the removal list
+                                       for ( c = 0, cl = removes.length; c < cl; c++ ) {
+                                               // Remove until there is nothing to remove,
+                                               while ( className.indexOf(" " + removes[ c ] + " ") > -1 ) {
+                                                       className = className.replace( " " + removes[ c ] + " " , " " );
+                                               }
                                        }
+                                       elem.className = value ? jQuery.trim( className ) : "";
                                }
                        }
                }
@@ -2335,10 +2107,10 @@ jQuery.fn.extend({
                                        i = 0,
                                        self = jQuery( this ),
                                        state = stateVal,
-                                       classNames = value.split( rspace );
+                                       classNames = value.split( core_rspace );
 
                                while ( (className = classNames[ i++ ]) ) {
-                                       // check each className given, space seperated list
+                                       // check each className given, space separated list
                                        state = isBool ? state : !self.hasClass( className );
                                        self[ state ? "addClass" : "removeClass" ]( className );
                                }
@@ -2395,7 +2167,8 @@ jQuery.fn.extend({
                isFunction = jQuery.isFunction( value );
 
                return this.each(function( i ) {
-                       var self = jQuery(this), val;
+                       var val,
+                               self = jQuery(this);
 
                        if ( this.nodeType !== 1 ) {
                                return;
@@ -2497,16 +2270,8 @@ jQuery.extend({
                }
        },
 
-       attrFn: {
-               val: true,
-               css: true,
-               html: true,
-               text: true,
-               data: true,
-               width: true,
-               height: true,
-               offset: true
-       },
+       // Unused in 1.8, left in so attrFn-stabbers won't die; remove in 1.9
+       attrFn: {},
 
        attr: function( elem, name, value, pass ) {
                var ret, hooks, notxml,
@@ -2517,7 +2282,7 @@ jQuery.extend({
                        return;
                }
 
-               if ( pass && name in jQuery.attrFn ) {
+               if ( pass && jQuery.isFunction( jQuery.fn[ name ] ) ) {
                        return jQuery( elem )[ name ]( value );
                }
 
@@ -2564,14 +2329,14 @@ jQuery.extend({
        },
 
        removeAttr: function( elem, value ) {
-               var propName, attrNames, name, l, isBool,
+               var propName, attrNames, name, isBool,
                        i = 0;
 
                if ( value && elem.nodeType === 1 ) {
-                       attrNames = value.toLowerCase().split( rspace );
-                       l = attrNames.length;
 
-                       for ( ; i < l; i++ ) {
+                       attrNames = value.split( core_rspace );
+
+                       for ( ; i < attrNames.length; i++ ) {
                                name = attrNames[ i ];
 
                                if ( name ) {
@@ -2701,9 +2466,6 @@ jQuery.extend({
        }
 });
 
-// Add the tabIndex propHook to attrHooks for back-compat (different case is intentional)
-jQuery.attrHooks.tabindex = jQuery.propHooks.tabIndex;
-
 // Hook for boolean attributes
 boolHook = {
        get: function( elem, name ) {
@@ -2750,8 +2512,8 @@ if ( !getSetAttribute ) {
                get: function( elem, name ) {
                        var ret;
                        ret = elem.getAttributeNode( name );
-                       return ret && ( fixSpecified[ name ] ? ret.nodeValue !== "" : ret.specified ) ?
-                               ret.nodeValue :
+                       return ret && ( fixSpecified[ name ] ? ret.value !== "" : ret.specified ) ?
+                               ret.value :
                                undefined;
                },
                set: function( elem, value, name ) {
@@ -2761,13 +2523,10 @@ if ( !getSetAttribute ) {
                                ret = document.createAttribute( name );
                                elem.setAttributeNode( ret );
                        }
-                       return ( ret.nodeValue = value + "" );
+                       return ( ret.value = value + "" );
                }
        };
 
-       // Apply the nodeHook to tabindex
-       jQuery.attrHooks.tabindex.set = nodeHook.set;
-
        // Set width and height to auto instead of 0 on empty string( Bug #8150 )
        // This is for removals
        jQuery.each([ "width", "height" ], function( i, name ) {
@@ -2865,35 +2624,12 @@ jQuery.each([ "radio", "checkbox" ], function() {
                }
        });
 });
-
-
-
-
 var rformElems = /^(?:textarea|input|select)$/i,
-       rtypenamespace = /^([^\.]*)?(?:\.(.+))?$/,
-       rhoverHack = /(?:^|\s)hover(\.\S+)?\b/,
+       rtypenamespace = /^([^\.]*|)(?:\.(.+)|)$/,
+       rhoverHack = /(?:^|\s)hover(\.\S+|)\b/,
        rkeyEvent = /^key/,
        rmouseEvent = /^(?:mouse|contextmenu)|click/,
        rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
-       rquickIs = /^(\w*)(?:#([\w\-]+))?(?:\.([\w\-]+))?$/,
-       quickParse = function( selector ) {
-               var quick = rquickIs.exec( selector );
-               if ( quick ) {
-                       //   0  1    2   3
-                       // [ _, tag, id, class ]
-                       quick[1] = ( quick[1] || "" ).toLowerCase();
-                       quick[3] = quick[3] && new RegExp( "(?:^|\\s)" + quick[3] + "(?:\\s|$)" );
-               }
-               return quick;
-       },
-       quickIs = function( elem, m ) {
-               var attrs = elem.attributes || {};
-               return (
-                       (!m[1] || elem.nodeName.toLowerCase() === m[1]) &&
-                       (!m[2] || (attrs.id || {}).value === m[2]) &&
-                       (!m[3] || m[3].test( (attrs[ "class" ] || {}).value ))
-               );
-       },
        hoverHack = function( events ) {
                return jQuery.event.special.hover ? events : events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
        };
@@ -2908,7 +2644,7 @@ jQuery.event = {
 
                var elemData, eventHandle, events,
                        t, tns, type, namespaces, handleObj,
-                       handleObjIn, quick, handlers, special;
+                       handleObjIn, handlers, special;
 
                // Don't attach events to noData or text/comment nodes (allow plain objects tho)
                if ( elem.nodeType === 3 || elem.nodeType === 8 || !types || !handler || !(elemData = jQuery._data( elem )) ) {
@@ -2971,7 +2707,6 @@ jQuery.event = {
                                handler: handler,
                                guid: handler.guid,
                                selector: selector,
-                               quick: selector && quickParse( selector ),
                                namespace: namespaces.join(".")
                        }, handleObjIn );
 
@@ -3021,9 +2756,9 @@ jQuery.event = {
        // Detach an event or set of events from an element
        remove: function( elem, types, handler, selector, mappedTypes ) {
 
-               var elemData = jQuery.hasData( elem ) && jQuery._data( elem ),
-                       t, tns, type, origType, namespaces, origCount,
-                       j, events, special, handle, eventType, handleObj;
+               var t, tns, type, origType, namespaces, origCount,
+                       j, events, special, eventType, handleObj,
+                       elemData = jQuery.hasData( elem ) && jQuery._data( elem );
 
                if ( !elemData || !(events = elemData.events) ) {
                        return;
@@ -3048,7 +2783,7 @@ jQuery.event = {
                        type = ( selector? special.delegateType : special.bindType ) || type;
                        eventType = events[ type ] || [];
                        origCount = eventType.length;
-                       namespaces = namespaces ? new RegExp("(^|\\.)" + namespaces.split(".").sort().join("\\.(?:.*\\.)?") + "(\\.|$)") : null;
+                       namespaces = namespaces ? new RegExp("(^|\\.)" + namespaces.split(".").sort().join("\\.(?:.*\\.|)") + "(\\.|$)") : null;
 
                        // Remove matching events
                        for ( j = 0; j < eventType.length; j++ ) {
@@ -3072,7 +2807,7 @@ jQuery.event = {
                        // Remove generic event handler if we removed something and no more handlers exist
                        // (avoids potential for endless recursion during removal of special event handlers)
                        if ( eventType.length === 0 && origCount !== eventType.length ) {
-                               if ( !special.teardown || special.teardown.call( elem, namespaces ) === false ) {
+                               if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
                                        jQuery.removeEvent( elem, type, elemData.handle );
                                }
 
@@ -3082,14 +2817,11 @@ jQuery.event = {
 
                // Remove the expando if it's no longer used
                if ( jQuery.isEmptyObject( events ) ) {
-                       handle = elemData.handle;
-                       if ( handle ) {
-                               handle.elem = null;
-                       }
+                       delete elemData.handle;
 
                        // removeData also checks for emptiness and clears the expando if empty
                        // so use it instead of delete
-                       jQuery.removeData( elem, [ "events", "handle" ], true );
+                       jQuery.removeData( elem, "events", true );
                }
        },
 
@@ -3108,9 +2840,9 @@ jQuery.event = {
                }
 
                // Event object or event type
-               var type = event.type || event,
-                       namespaces = [],
-                       cache, exclusive, i, cur, old, ontype, special, handle, eventPath, bubbleType;
+               var cache, exclusive, i, cur, old, ontype, special, handle, eventPath, bubbleType,
+                       type = event.type || event,
+                       namespaces = [];
 
                // focus/blur morphs to focusin/out; ensure we're not firing them right now
                if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
@@ -3148,7 +2880,7 @@ jQuery.event = {
                event.isTrigger = true;
                event.exclusive = exclusive;
                event.namespace = namespaces.join( "." );
-               event.namespace_re = event.namespace? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.)?") + "(\\.|$)") : null;
+               event.namespace_re = event.namespace? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") : null;
                ontype = type.indexOf( ":" ) < 0 ? "on" + type : "";
 
                // Handle a global trigger
@@ -3187,14 +2919,13 @@ jQuery.event = {
 
                        bubbleType = special.delegateType || type;
                        cur = rfocusMorph.test( bubbleType + type ) ? elem : elem.parentNode;
-                       old = null;
-                       for ( ; cur; cur = cur.parentNode ) {
+                       for ( old = elem; cur; cur = cur.parentNode ) {
                                eventPath.push([ cur, bubbleType ]);
                                old = cur;
                        }
 
                        // Only add window if we got to document (e.g., not plain obj or detached DOM)
-                       if ( old && old === elem.ownerDocument ) {
+                       if ( old === (elem.ownerDocument || document) ) {
                                eventPath.push([ old.defaultView || old.parentWindow || window, bubbleType ]);
                        }
                }
@@ -3256,13 +2987,13 @@ jQuery.event = {
                // Make a writable jQuery.Event from the native event object
                event = jQuery.event.fix( event || window.event );
 
-               var handlers = ( (jQuery._data( this, "events" ) || {} )[ event.type ] || []),
+               var i, j, cur, jqcur, ret, selMatch, matched, matches, handleObj, sel, related,
+                       handlers = ( (jQuery._data( this, "events" ) || {} )[ event.type ] || []),
                        delegateCount = handlers.delegateCount,
-                       args = [].slice.call( arguments, 0 ),
+                       args = [].slice.call( arguments ),
                        run_all = !event.exclusive && !event.namespace,
                        special = jQuery.event.special[ event.type ] || {},
-                       handlerQueue = [],
-                       i, j, cur, jqcur, ret, selMatch, matched, matches, handleObj, sel, related;
+                       handlerQueue = [];
 
                // Use the fix-ed jQuery.Event rather than the (read-only) native event
                args[0] = event;
@@ -3279,12 +3010,12 @@ jQuery.event = {
 
                        // Pregenerate a single jQuery object for reuse with .is()
                        jqcur = jQuery(this);
-                       jqcur.context = this.ownerDocument || this;
+                       jqcur.context = this;
 
                        for ( cur = event.target; cur != this; cur = cur.parentNode || this ) {
 
-                               // Don't process events on disabled elements (#6911, #8165)
-                               if ( cur.disabled !== true ) {
+                               // Don't process clicks (ONLY) on disabled elements (#6911, #8165, #xxxx)
+                               if ( cur.disabled !== true || event.type !== "click" ) {
                                        selMatch = {};
                                        matches = [];
                                        jqcur[0] = cur;
@@ -3293,9 +3024,7 @@ jQuery.event = {
                                                sel = handleObj.selector;
 
                                                if ( selMatch[ sel ] === undefined ) {
-                                                       selMatch[ sel ] = (
-                                                               handleObj.quick ? quickIs( cur, handleObj.quick ) : jqcur.is( sel )
-                                                       );
+                                                       selMatch[ sel ] = jqcur.is( sel );
                                                }
                                                if ( selMatch[ sel ] ) {
                                                        matches.push( handleObj );
@@ -3429,10 +3158,8 @@ jQuery.event = {
                        event.target = event.target.parentNode;
                }
 
-               // For mouse/key events; add metaKey if it's not there (#3368, IE6/7/8)
-               if ( event.metaKey === undefined ) {
-                       event.metaKey = event.ctrlKey;
-               }
+               // For mouse/key events, metaKey==false if it's undefined (#3368, #11328; IE6/7/8)
+               event.metaKey = !!event.metaKey;
 
                return fixHook.filter? fixHook.filter( event, originalEvent ) : event;
        },
@@ -3505,8 +3232,17 @@ jQuery.removeEvent = document.removeEventListener ?
                }
        } :
        function( elem, type, handle ) {
+               var name = "on" + type;
+
                if ( elem.detachEvent ) {
-                       elem.detachEvent( "on" + type, handle );
+
+                       // #8545, #7054, preventing memory leaks for custom events in IE6-8 –
+                       // detachEvent needed property on element, by name of that event, to properly expose it to GC
+                       if ( typeof elem[ name ] === "undefined" ) {
+                               elem[ name ] = null;
+                       }
+
+                       elem.detachEvent( name, handle );
                }
        };
 
@@ -3603,11 +3339,11 @@ jQuery.each({
                bindType: fix,
 
                handle: function( event ) {
-                       var target = this,
+                       var ret,
+                               target = this,
                                related = event.relatedTarget,
                                handleObj = event.handleObj,
-                               selector = handleObj.selector,
-                               ret;
+                               selector = handleObj.selector;
 
                        // For mousenter/leave call the handler if related is outside the target.
                        // NB: No relatedTarget if the mouse left/entered the browser window
@@ -3636,16 +3372,16 @@ if ( !jQuery.support.submitBubbles ) {
                                // Node name check avoids a VML-related crash in IE (#9807)
                                var elem = e.target,
                                        form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
-                               if ( form && !form._submit_attached ) {
+                               if ( form && !jQuery._data( form, "_submit_attached" ) ) {
                                        jQuery.event.add( form, "submit._submit", function( event ) {
                                                event._submit_bubble = true;
                                        });
-                                       form._submit_attached = true;
+                                       jQuery._data( form, "_submit_attached", true );
                                }
                        });
                        // return undefined since we don't need an event listener
                },
-               
+
                postDispatch: function( event ) {
                        // If form was submitted by the user, bubble the event up the tree
                        if ( event._submit_bubble ) {
@@ -3688,8 +3424,9 @@ if ( !jQuery.support.changeBubbles ) {
                                        jQuery.event.add( this, "click._change", function( event ) {
                                                if ( this._just_changed && !event.isTrigger ) {
                                                        this._just_changed = false;
-                                                       jQuery.event.simulate( "change", this, event, true );
                                                }
+                                               // Allow triggered, simulated change events (#11500)
+                                               jQuery.event.simulate( "change", this, event, true );
                                        });
                                }
                                return false;
@@ -3698,13 +3435,13 @@ if ( !jQuery.support.changeBubbles ) {
                        jQuery.event.add( this, "beforeactivate._change", function( e ) {
                                var elem = e.target;
 
-                               if ( rformElems.test( elem.nodeName ) && !elem._change_attached ) {
+                               if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "_change_attached" ) ) {
                                        jQuery.event.add( elem, "change._change", function( event ) {
                                                if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
                                                        jQuery.event.simulate( "change", this.parentNode, event, true );
                                                }
                                        });
-                                       elem._change_attached = true;
+                                       jQuery._data( elem, "_change_attached", true );
                                }
                        });
                },
@@ -3810,9 +3547,10 @@ jQuery.fn.extend({
                return this.on( types, selector, data, fn, 1 );
        },
        off: function( types, selector, fn ) {
+               var handleObj, type;
                if ( types && types.preventDefault && types.handleObj ) {
                        // ( event )  dispatched jQuery.Event
-                       var handleObj = types.handleObj;
+                       handleObj = types.handleObj;
                        jQuery( types.delegateTarget ).off(
                                handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
                                handleObj.selector,
@@ -3822,7 +3560,7 @@ jQuery.fn.extend({
                }
                if ( typeof types === "object" ) {
                        // ( types-object [, selector] )
-                       for ( var type in types ) {
+                       for ( type in types ) {
                                this.off( type, selector, types[ type ] );
                        }
                        return this;
@@ -3861,7 +3599,7 @@ jQuery.fn.extend({
        },
        undelegate: function( selector, types, fn ) {
                // ( namespace ) or ( selector, types [, fn] )
-               return arguments.length == 1? this.off( selector, "**" ) : this.off( types, selector, fn );
+               return arguments.length == 1? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
        },
 
        trigger: function( type, data ) {
@@ -3922,10 +3660,6 @@ jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblcl
                        this.trigger( name );
        };
 
-       if ( jQuery.attrFn ) {
-               jQuery.attrFn[ name ] = true;
-       }
-
        if ( rkeyEvent.test( name ) ) {
                jQuery.event.fixHooks[ name ] = jQuery.event.keyHooks;
        }
@@ -3934,1609 +3668,1595 @@ jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblcl
                jQuery.event.fixHooks[ name ] = jQuery.event.mouseHooks;
        }
 });
+/*!\r
+ * Sizzle CSS Selector Engine\r
+ *  Copyright 2012 jQuery Foundation and other contributors\r
+ *  Released under the MIT license\r
+ *  http://sizzlejs.com/\r
+ */\r
+(function( window, undefined ) {\r
+\r
+var cachedruns,\r
+       dirruns,\r
+       sortOrder,\r
+       siblingCheck,\r
+       assertGetIdNotName,\r
+\r
+       document = window.document,\r
+       docElem = document.documentElement,\r
+\r
+       strundefined = "undefined",\r
+       hasDuplicate = false,\r
+       baseHasDuplicate = true,\r
+       done = 0,\r
+       slice = [].slice,\r
+       push = [].push,\r
+\r
+       expando = ( "sizcache" + Math.random() ).replace( ".", "" ),\r
+\r
+       // Regex\r
+\r
+       // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace\r
+       whitespace = "[\\x20\\t\\r\\n\\f]",\r
+       // http://www.w3.org/TR/css3-syntax/#characters\r
+       characterEncoding = "(?:\\\\.|[-\\w]|[^\\x00-\\xa0])+",\r
+\r
+       // Loosely modeled on CSS identifier characters\r
+       // An unquoted value should be a CSS identifier (http://www.w3.org/TR/css3-selectors/#attribute-selectors)\r
+       // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier\r
+       identifier = characterEncoding.replace( "w", "w#" ),\r
+\r
+       // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors\r
+       operators = "([*^$|!~]?=)",\r
+       attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +\r
+               "*(?:" + operators + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",\r
+       pseudos = ":(" + characterEncoding + ")(?:\\((?:(['\"])((?:\\\\.|[^\\\\])*?)\\2|((?:[^,]|\\\\,|(?:,(?=[^\\[]*\\]))|(?:,(?=[^\\(]*\\))))*))\\)|)",\r
+       pos = ":(nth|eq|gt|lt|first|last|even|odd)(?:\\((\\d*)\\)|)(?=[^-]|$)",\r
+       combinators = whitespace + "*([\\x20\\t\\r\\n\\f>+~])" + whitespace + "*",\r
+       groups = "(?=[^\\x20\\t\\r\\n\\f])(?:\\\\.|" + attributes + "|" + pseudos.replace( 2, 7 ) + "|[^\\\\(),])+",\r
+\r
+       // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter\r
+       rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),\r
+\r
+       rcombinators = new RegExp( "^" + combinators ),\r
+\r
+       // All simple (non-comma) selectors, excluding insignifant trailing whitespace\r
+       rgroups = new RegExp( groups + "?(?=" + whitespace + "*,|$)", "g" ),\r
+\r
+       // A selector, or everything after leading whitespace\r
+       // Optionally followed in either case by a ")" for terminating sub-selectors\r
+       rselector = new RegExp( "^(?:(?!,)(?:(?:^|,)" + whitespace + "*" + groups + ")*?|" + whitespace + "*(.*?))(\\)|$)" ),\r
+\r
+       // All combinators and selector components (attribute test, tag, pseudo, etc.), the latter appearing together when consecutive\r
+       rtokens = new RegExp( groups.slice( 19, -6 ) + "\\x20\\t\\r\\n\\f>+~])+|" + combinators, "g" ),\r
+\r
+       // Easily-parseable/retrievable ID or TAG or CLASS selectors\r
+       rquickExpr = /^(?:#([\w\-]+)|(\w+)|\.([\w\-]+))$/,\r
+\r
+       rsibling = /[\x20\t\r\n\f]*[+~]/,\r
+       rendsWithNot = /:not\($/,\r
+\r
+       rheader = /h\d/i,\r
+       rinputs = /input|select|textarea|button/i,\r
+\r
+       rbackslash = /\\(?!\\)/g,\r
+\r
+       matchExpr = {\r
+               "ID": new RegExp( "^#(" + characterEncoding + ")" ),\r
+               "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),\r
+               "NAME": new RegExp( "^\\[name=['\"]?(" + characterEncoding + ")['\"]?\\]" ),\r
+               "TAG": new RegExp( "^(" + characterEncoding.replace( "[-", "[-\\*" ) + ")" ),\r
+               "ATTR": new RegExp( "^" + attributes ),\r
+               "PSEUDO": new RegExp( "^" + pseudos ),\r
+               "CHILD": new RegExp( "^:(only|nth|last|first)-child(?:\\(" + whitespace +\r
+                       "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +\r
+                       "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),\r
+               "POS": new RegExp( pos, "ig" ),\r
+               // For use in libraries implementing .is()\r
+               "needsContext": new RegExp( "^" + whitespace + "*[>+~]|" + pos, "i" )\r
+       },\r
+\r
+       classCache = {},\r
+       cachedClasses = [],\r
+       compilerCache = {},\r
+       cachedSelectors = [],\r
+\r
+       // Mark a function for use in filtering\r
+       markFunction = function( fn ) {\r
+               fn.sizzleFilter = true;\r
+               return fn;\r
+       },\r
+\r
+       // Returns a function to use in pseudos for input types\r
+       createInputFunction = function( type ) {\r
+               return function( elem ) {\r
+                       // Check the input's nodeName and type\r
+                       return elem.nodeName.toLowerCase() === "input" && elem.type === type;\r
+               };\r
+       },\r
+\r
+       // Returns a function to use in pseudos for buttons\r
+       createButtonFunction = function( type ) {\r
+               return function( elem ) {\r
+                       var name = elem.nodeName.toLowerCase();\r
+                       return (name === "input" || name === "button") && elem.type === type;\r
+               };\r
+       },\r
+\r
+       // Used for testing something on an element\r
+       assert = function( fn ) {\r
+               var pass = false,\r
+                       div = document.createElement("div");\r
+               try {\r
+                       pass = fn( div );\r
+               } catch (e) {}\r
+               // release memory in IE\r
+               div = null;\r
+               return pass;\r
+       },\r
+\r
+       // Check if attributes should be retrieved by attribute nodes\r
+       assertAttributes = assert(function( div ) {\r
+               div.innerHTML = "<select></select>";\r
+               var type = typeof div.lastChild.getAttribute("multiple");\r
+               // IE8 returns a string for some attributes even when not present\r
+               return type !== "boolean" && type !== "string";\r
+       }),\r
+\r
+       // Check if getElementById returns elements by name\r
+       // Check if getElementsByName privileges form controls or returns elements by ID\r
+       assertUsableName = assert(function( div ) {\r
+               // Inject content\r
+               div.id = expando + 0;\r
+               div.innerHTML = "<a name='" + expando + "'></a><div name='" + expando + "'></div>";\r
+               docElem.insertBefore( div, docElem.firstChild );\r
+\r
+               // Test\r
+               var pass = document.getElementsByName &&\r
+                       // buggy browsers will return fewer than the correct 2\r
+                       document.getElementsByName( expando ).length ===\r
+                       // buggy browsers will return more than the correct 0\r
+                       2 + document.getElementsByName( expando + 0 ).length;\r
+               assertGetIdNotName = !document.getElementById( expando );\r
+\r
+               // Cleanup\r
+               docElem.removeChild( div );\r
+\r
+               return pass;\r
+       }),\r
+\r
+       // Check if the browser returns only elements\r
+       // when doing getElementsByTagName("*")\r
+       assertTagNameNoComments = assert(function( div ) {\r
+               div.appendChild( document.createComment("") );\r
+               return div.getElementsByTagName("*").length === 0;\r
+       }),\r
+\r
+       // Check if getAttribute returns normalized href attributes\r
+       assertHrefNotNormalized = assert(function( div ) {\r
+               div.innerHTML = "<a href='#'></a>";\r
+               return div.firstChild && typeof div.firstChild.getAttribute !== strundefined &&\r
+                       div.firstChild.getAttribute("href") === "#";\r
+       }),\r
+\r
+       // Check if getElementsByClassName can be trusted\r
+       assertUsableClassName = assert(function( div ) {\r
+               // Opera can't find a second classname (in 9.6)\r
+               div.innerHTML = "<div class='hidden e'></div><div class='hidden'></div>";\r
+               if ( !div.getElementsByClassName || div.getElementsByClassName("e").length === 0 ) {\r
+                       return false;\r
+               }\r
+\r
+               // Safari caches class attributes, doesn't catch changes (in 3.2)\r
+               div.lastChild.className = "e";\r
+               return div.getElementsByClassName("e").length !== 1;\r
+       });\r
+\r
+var Sizzle = function( selector, context, results, seed ) {\r
+       results = results || [];\r
+       context = context || document;\r
+       var match, elem, xml, m,\r
+               nodeType = context.nodeType;\r
+\r
+       if ( nodeType !== 1 && nodeType !== 9 ) {\r
+               return [];\r
+       }\r
+\r
+       if ( !selector || typeof selector !== "string" ) {\r
+               return results;\r
+       }\r
+\r
+       xml = isXML( context );\r
+\r
+       if ( !xml && !seed ) {\r
+               if ( (match = rquickExpr.exec( selector )) ) {\r
+                       // Speed-up: Sizzle("#ID")\r
+                       if ( (m = match[1]) ) {\r
+                               if ( nodeType === 9 ) {\r
+                                       elem = context.getElementById( m );\r
+                                       // Check parentNode to catch when Blackberry 4.6 returns\r
+                                       // nodes that are no longer in the document #6963\r
+                                       if ( elem && elem.parentNode ) {\r
+                                               // Handle the case where IE, Opera, and Webkit return items\r
+                                               // by name instead of ID\r
+                                               if ( elem.id === m ) {\r
+                                                       results.push( elem );\r
+                                                       return results;\r
+                                               }\r
+                                       } else {\r
+                                               return results;\r
+                                       }\r
+                               } else {\r
+                                       // Context is not a document\r
+                                       if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&\r
+                                               contains( context, elem ) && elem.id === m ) {\r
+                                               results.push( elem );\r
+                                               return results;\r
+                                       }\r
+                               }\r
+\r
+                       // Speed-up: Sizzle("TAG")\r
+                       } else if ( match[2] ) {\r
+                               push.apply( results, slice.call(context.getElementsByTagName( selector ), 0) );\r
+                               return results;\r
+\r
+                       // Speed-up: Sizzle(".CLASS")\r
+                       } else if ( (m = match[3]) && assertUsableClassName && context.getElementsByClassName ) {\r
+                               push.apply( results, slice.call(context.getElementsByClassName( m ), 0) );\r
+                               return results;\r
+                       }\r
+               }\r
+       }\r
+\r
+       // All others\r
+       return select( selector, context, results, seed, xml );\r
+};\r
+\r
+var Expr = Sizzle.selectors = {\r
+\r
+       // Can be adjusted by the user\r
+       cacheLength: 50,\r
+\r
+       match: matchExpr,\r
+\r
+       order: [ "ID", "TAG" ],\r
+\r
+       attrHandle: {},\r
+\r
+       createPseudo: markFunction,\r
+\r
+       find: {\r
+               "ID": assertGetIdNotName ?\r
+                       function( id, context, xml ) {\r
+                               if ( typeof context.getElementById !== strundefined && !xml ) {\r
+                                       var m = context.getElementById( id );\r
+                                       // Check parentNode to catch when Blackberry 4.6 returns\r
+                                       // nodes that are no longer in the document #6963\r
+                                       return m && m.parentNode ? [m] : [];\r
+                               }\r
+                       } :\r
+                       function( id, context, xml ) {\r
+                               if ( typeof context.getElementById !== strundefined && !xml ) {\r
+                                       var m = context.getElementById( id );\r
+\r
+                                       return m ?\r
+                                               m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ?\r
+                                                       [m] :\r
+                                                       undefined :\r
+                                               [];\r
+                               }\r
+                       },\r
+\r
+               "TAG": assertTagNameNoComments ?\r
+                       function( tag, context ) {\r
+                               if ( typeof context.getElementsByTagName !== strundefined ) {\r
+                                       return context.getElementsByTagName( tag );\r
+                               }\r
+                       } :\r
+                       function( tag, context ) {\r
+                               var results = context.getElementsByTagName( tag );\r
+\r
+                               // Filter out possible comments\r
+                               if ( tag === "*" ) {\r
+                                       var elem,\r
+                                               tmp = [],\r
+                                               i = 0;\r
+\r
+                                       for ( ; (elem = results[i]); i++ ) {\r
+                                               if ( elem.nodeType === 1 ) {\r
+                                                       tmp.push( elem );\r
+                                               }\r
+                                       }\r
+\r
+                                       return tmp;\r
+                               }\r
+                               return results;\r
+                       }\r
+       },\r
+\r
+       relative: {\r
+               ">": { dir: "parentNode", first: true },\r
+               " ": { dir: "parentNode" },\r
+               "+": { dir: "previousSibling", first: true },\r
+               "~": { dir: "previousSibling" }\r
+       },\r
+\r
+       preFilter: {\r
+               "ATTR": function( match ) {\r
+                       match[1] = match[1].replace( rbackslash, "" );\r
+\r
+                       // Move the given value to match[3] whether quoted or unquoted\r
+                       match[3] = ( match[4] || match[5] || "" ).replace( rbackslash, "" );\r
+\r
+                       if ( match[2] === "~=" ) {\r
+                               match[3] = " " + match[3] + " ";\r
+                       }\r
+\r
+                       return match.slice( 0, 4 );\r
+               },\r
+\r
+               "CHILD": function( match ) {\r
+                       /* matches from matchExpr.CHILD\r
+                               1 type (only|nth|...)\r
+                               2 argument (even|odd|\d*|\d*n([+-]\d+)?|...)\r
+                               3 xn-component of xn+y argument ([+-]?\d*n|)\r
+                               4 sign of xn-component\r
+                               5 x of xn-component\r
+                               6 sign of y-component\r
+                               7 y of y-component\r
+                       */\r
+                       match[1] = match[1].toLowerCase();\r
+\r
+                       if ( match[1] === "nth" ) {\r
+                               // nth-child requires argument\r
+                               if ( !match[2] ) {\r
+                                       Sizzle.error( match[0] );\r
+                               }\r
+\r
+                               // numeric x and y parameters for Expr.filter.CHILD\r
+                               // remember that false/true cast respectively to 0/1\r
+                               match[3] = +( match[3] ? match[4] + (match[5] || 1) : 2 * ( match[2] === "even" || match[2] === "odd" ) );\r
+                               match[4] = +( ( match[6] + match[7] ) || match[2] === "odd" );\r
+\r
+                       // other types prohibit arguments\r
+                       } else if ( match[2] ) {\r
+                               Sizzle.error( match[0] );\r
+                       }\r
+\r
+                       return match;\r
+               },\r
+\r
+               "PSEUDO": function( match ) {\r
+                       var argument,\r
+                               unquoted = match[4];\r
+\r
+                       if ( matchExpr["CHILD"].test( match[0] ) ) {\r
+                               return null;\r
+                       }\r
+\r
+                       // Relinquish our claim on characters in `unquoted` from a closing parenthesis on\r
+                       if ( unquoted && (argument = rselector.exec( unquoted )) && argument.pop() ) {\r
+\r
+                               match[0] = match[0].slice( 0, argument[0].length - unquoted.length - 1 );\r
+                               unquoted = argument[0].slice( 0, -1 );\r
+                       }\r
+\r
+                       // Quoted or unquoted, we have the full argument\r
+                       // Return only captures needed by the pseudo filter method (type and argument)\r
+                       match.splice( 2, 3, unquoted || match[3] );\r
+                       return match;\r
+               }\r
+       },\r
+\r
+       filter: {\r
+               "ID": assertGetIdNotName ?\r
+                       function( id ) {\r
+                               id = id.replace( rbackslash, "" );\r
+                               return function( elem ) {\r
+                                       return elem.getAttribute("id") === id;\r
+                               };\r
+                       } :\r
+                       function( id ) {\r
+                               id = id.replace( rbackslash, "" );\r
+                               return function( elem ) {\r
+                                       var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");\r
+                                       return node && node.value === id;\r
+                               };\r
+                       },\r
+\r
+               "TAG": function( nodeName ) {\r
+                       if ( nodeName === "*" ) {\r
+                               return function() { return true; };\r
+                       }\r
+                       nodeName = nodeName.replace( rbackslash, "" ).toLowerCase();\r
+\r
+                       return function( elem ) {\r
+                               return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;\r
+                       };\r
+               },\r
+\r
+               "CLASS": function( className ) {\r
+                       var pattern = classCache[ className ];\r
+                       if ( !pattern ) {\r
+                               pattern = classCache[ className ] = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" );\r
+                               cachedClasses.push( className );\r
+                               // Avoid too large of a cache\r
+                               if ( cachedClasses.length > Expr.cacheLength ) {\r
+                                       delete classCache[ cachedClasses.shift() ];\r
+                               }\r
+                       }\r
+                       return function( elem ) {\r
+                               return pattern.test( elem.className || (typeof elem.getAttribute !== strundefined && elem.getAttribute("class")) || "" );\r
+                       };\r
+               },\r
+\r
+               "ATTR": function( name, operator, check ) {\r
+                       if ( !operator ) {\r
+                               return function( elem ) {\r
+                                       return Sizzle.attr( elem, name ) != null;\r
+                               };\r
+                       }\r
+\r
+                       return function( elem ) {\r
+                               var result = Sizzle.attr( elem, name ),\r
+                                       value = result + "";\r
+\r
+                               if ( result == null ) {\r
+                                       return operator === "!=";\r
+                               }\r
+\r
+                               switch ( operator ) {\r
+                                       case "=":\r
+                                               return value === check;\r
+                                       case "!=":\r
+                                               return value !== check;\r
+                                       case "^=":\r
+                                               return check && value.indexOf( check ) === 0;\r
+                                       case "*=":\r
+                                               return check && value.indexOf( check ) > -1;\r
+                                       case "$=":\r
+                                               return check && value.substr( value.length - check.length ) === check;\r
+                                       case "~=":\r
+                                               return ( " " + value + " " ).indexOf( check ) > -1;\r
+                                       case "|=":\r
+                                               return value === check || value.substr( 0, check.length + 1 ) === check + "-";\r
+                               }\r
+                       };\r
+               },\r
+\r
+               "CHILD": function( type, argument, first, last ) {\r
+\r
+                       if ( type === "nth" ) {\r
+                               var doneName = done++;\r
+\r
+                               return function( elem ) {\r
+                                       var parent, diff,\r
+                                               count = 0,\r
+                                               node = elem;\r
+\r
+                                       if ( first === 1 && last === 0 ) {\r
+                                               return true;\r
+                                       }\r
+\r
+                                       parent = elem.parentNode;\r
+\r
+                                       if ( parent && (parent[ expando ] !== doneName || !elem.sizset) ) {\r
+                                               for ( node = parent.firstChild; node; node = node.nextSibling ) {\r
+                                                       if ( node.nodeType === 1 ) {\r
+                                                               node.sizset = ++count;\r
+                                                               if ( node === elem ) {\r
+                                                                       break;\r
+                                                               }\r
+                                                       }\r
+                                               }\r
+\r
+                                               parent[ expando ] = doneName;\r
+                                       }\r
+\r
+                                       diff = elem.sizset - last;\r
+\r
+                                       if ( first === 0 ) {\r
+                                               return diff === 0;\r
+\r
+                                       } else {\r
+                                               return ( diff % first === 0 && diff / first >= 0 );\r
+                                       }\r
+                               };\r
+                       }\r
+\r
+                       return function( elem ) {\r
+                               var node = elem;\r
+\r
+                               switch ( type ) {\r
+                                       case "only":\r
+                                       case "first":\r
+                                               while ( (node = node.previousSibling) ) {\r
+                                                       if ( node.nodeType === 1 ) {\r
+                                                               return false;\r
+                                                       }\r
+                                               }\r
+\r
+                                               if ( type === "first" ) {\r
+                                                       return true;\r
+                                               }\r
+\r
+                                               node = elem;\r
+\r
+                                               /* falls through */\r
+                                       case "last":\r
+                                               while ( (node = node.nextSibling) ) {\r
+                                                       if ( node.nodeType === 1 ) {\r
+                                                               return false;\r
+                                                       }\r
+                                               }\r
+\r
+                                               return true;\r
+                               }\r
+                       };\r
+               },\r
+\r
+               "PSEUDO": function( pseudo, argument, context, xml ) {\r
+                       // pseudo-class names are case-insensitive\r
+                       // http://www.w3.org/TR/selectors/#pseudo-classes\r
+                       // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters\r
+                       var fn = Expr.pseudos[ pseudo ] || Expr.pseudos[ pseudo.toLowerCase() ];\r
+\r
+                       if ( !fn ) {\r
+                               Sizzle.error( "unsupported pseudo: " + pseudo );\r
+                       }\r
+\r
+                       // The user may set fn.sizzleFilter to indicate\r
+                       // that arguments are needed to create the filter function\r
+                       // just as Sizzle does\r
+                       if ( !fn.sizzleFilter ) {\r
+                               return fn;\r
+                       }\r
+\r
+                       return fn( argument, context, xml );\r
+               }\r
+       },\r
+\r
+       pseudos: {\r
+               "not": markFunction(function( selector, context, xml ) {\r
+                       // Trim the selector passed to compile\r
+                       // to avoid treating leading and trailing\r
+                       // spaces as combinators\r
+                       var matcher = compile( selector.replace( rtrim, "$1" ), context, xml );\r
+                       return function( elem ) {\r
+                               return !matcher( elem );\r
+                       };\r
+               }),\r
+\r
+               "enabled": function( elem ) {\r
+                       return elem.disabled === false;\r
+               },\r
+\r
+               "disabled": function( elem ) {\r
+                       return elem.disabled === true;\r
+               },\r
+\r
+               "checked": function( elem ) {\r
+                       // In CSS3, :checked should return both checked and selected elements\r
+                       // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked\r
+                       var nodeName = elem.nodeName.toLowerCase();\r
+                       return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);\r
+               },\r
+\r
+               "selected": function( elem ) {\r
+                       // Accessing this property makes selected-by-default\r
+                       // options in Safari work properly\r
+                       if ( elem.parentNode ) {\r
+                               elem.parentNode.selectedIndex;\r
+                       }\r
+\r
+                       return elem.selected === true;\r
+               },\r
+\r
+               "parent": function( elem ) {\r
+                       return !Expr.pseudos["empty"]( elem );\r
+               },\r
+\r
+               "empty": function( elem ) {\r
+                       // http://www.w3.org/TR/selectors/#empty-pseudo\r
+                       // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),\r
+                       //   not comment, processing instructions, or others\r
+                       // Thanks to Diego Perini for the nodeName shortcut\r
+                       //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")\r
+                       var nodeType;\r
+                       elem = elem.firstChild;\r
+                       while ( elem ) {\r
+                               if ( elem.nodeName > "@" || (nodeType = elem.nodeType) === 3 || nodeType === 4 ) {\r
+                                       return false;\r
+                               }\r
+                               elem = elem.nextSibling;\r
+                       }\r
+                       return true;\r
+               },\r
+\r
+               "contains": markFunction(function( text ) {\r
+                       return function( elem ) {\r
+                               return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;\r
+                       };\r
+               }),\r
+\r
+               "has": markFunction(function( selector ) {\r
+                       return function( elem ) {\r
+                               return Sizzle( selector, elem ).length > 0;\r
+                       };\r
+               }),\r
+\r
+               "header": function( elem ) {\r
+                       return rheader.test( elem.nodeName );\r
+               },\r
+\r
+               "text": function( elem ) {\r
+                       var type, attr;\r
+                       // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)\r
+                       // use getAttribute instead to test this case\r
+                       return elem.nodeName.toLowerCase() === "input" &&\r
+                               (type = elem.type) === "text" &&\r
+                               ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === type );\r
+               },\r
+\r
+               // Input types\r
+               "radio": createInputFunction("radio"),\r
+               "checkbox": createInputFunction("checkbox"),\r
+               "file": createInputFunction("file"),\r
+               "password": createInputFunction("password"),\r
+               "image": createInputFunction("image"),\r
+\r
+               "submit": createButtonFunction("submit"),\r
+               "reset": createButtonFunction("reset"),\r
+\r
+               "button": function( elem ) {\r
+                       var name = elem.nodeName.toLowerCase();\r
+                       return name === "input" && elem.type === "button" || name === "button";\r
+               },\r
+\r
+               "input": function( elem ) {\r
+                       return rinputs.test( elem.nodeName );\r
+               },\r
+\r
+               "focus": function( elem ) {\r
+                       var doc = elem.ownerDocument;\r
+                       return elem === doc.activeElement && (!doc.hasFocus || doc.hasFocus()) && !!(elem.type || elem.href);\r
+               },\r
+\r
+               "active": function( elem ) {\r
+                       return elem === elem.ownerDocument.activeElement;\r
+               }\r
+       },\r
+\r
+       setFilters: {\r
+               "first": function( elements, argument, not ) {\r
+                       return not ? elements.slice( 1 ) : [ elements[0] ];\r
+               },\r
+\r
+               "last": function( elements, argument, not ) {\r
+                       var elem = elements.pop();\r
+                       return not ? elements : [ elem ];\r
+               },\r
+\r
+               "even": function( elements, argument, not ) {\r
+                       var results = [],\r
+                               i = not ? 1 : 0,\r
+                               len = elements.length;\r
+                       for ( ; i < len; i = i + 2 ) {\r
+                               results.push( elements[i] );\r
+                       }\r
+                       return results;\r
+               },\r
+\r
+               "odd": function( elements, argument, not ) {\r
+                       var results = [],\r
+                               i = not ? 0 : 1,\r
+                               len = elements.length;\r
+                       for ( ; i < len; i = i + 2 ) {\r
+                               results.push( elements[i] );\r
+                       }\r
+                       return results;\r
+               },\r
+\r
+               "lt": function( elements, argument, not ) {\r
+                       return not ? elements.slice( +argument ) : elements.slice( 0, +argument );\r
+               },\r
+\r
+               "gt": function( elements, argument, not ) {\r
+                       return not ? elements.slice( 0, +argument + 1 ) : elements.slice( +argument + 1 );\r
+               },\r
+\r
+               "eq": function( elements, argument, not ) {\r
+                       var elem = elements.splice( +argument, 1 );\r
+                       return not ? elements : elem;\r
+               }\r
+       }\r
+};\r
+\r
+// Deprecated\r
+Expr.setFilters["nth"] = Expr.setFilters["eq"];\r
+\r
+// Back-compat\r
+Expr.filters = Expr.pseudos;\r
+\r
+// IE6/7 return a modified href\r
+if ( !assertHrefNotNormalized ) {\r
+       Expr.attrHandle = {\r
+               "href": function( elem ) {\r
+                       return elem.getAttribute( "href", 2 );\r
+               },\r
+               "type": function( elem ) {\r
+                       return elem.getAttribute("type");\r
+               }\r
+       };\r
+}\r
+\r
+// Add getElementsByName if usable\r
+if ( assertUsableName ) {\r
+       Expr.order.push("NAME");\r
+       Expr.find["NAME"] = function( name, context ) {\r
+               if ( typeof context.getElementsByName !== strundefined ) {\r
+                       return context.getElementsByName( name );\r
+               }\r
+       };\r
+}\r
+\r
+// Add getElementsByClassName if usable\r
+if ( assertUsableClassName ) {\r
+       Expr.order.splice( 1, 0, "CLASS" );\r
+       Expr.find["CLASS"] = function( className, context, xml ) {\r
+               if ( typeof context.getElementsByClassName !== strundefined && !xml ) {\r
+                       return context.getElementsByClassName( className );\r
+               }\r
+       };\r
+}\r
+\r
+// If slice is not available, provide a backup\r
+try {\r
+       slice.call( docElem.childNodes, 0 )[0].nodeType;\r
+} catch ( e ) {\r
+       slice = function( i ) {\r
+               var elem, results = [];\r
+               for ( ; (elem = this[i]); i++ ) {\r
+                       results.push( elem );\r
+               }\r
+               return results;\r
+       };\r
+}\r
+\r
+var isXML = Sizzle.isXML = function( elem ) {\r
+       // documentElement is verified for cases where it doesn't yet exist\r
+       // (such as loading iframes in IE - #4833)\r
+       var documentElement = elem && (elem.ownerDocument || elem).documentElement;\r
+       return documentElement ? documentElement.nodeName !== "HTML" : false;\r
+};\r
+\r
+// Element contains another\r
+var contains = Sizzle.contains = docElem.compareDocumentPosition ?\r
+       function( a, b ) {\r
+               return !!( a.compareDocumentPosition( b ) & 16 );\r
+       } :\r
+       docElem.contains ?\r
+       function( a, b ) {\r
+               var adown = a.nodeType === 9 ? a.documentElement : a,\r
+                       bup = b.parentNode;\r
+               return a === bup || !!( bup && bup.nodeType === 1 && adown.contains && adown.contains(bup) );\r
+       } :\r
+       function( a, b ) {\r
+               while ( (b = b.parentNode) ) {\r
+                       if ( b === a ) {\r
+                               return true;\r
+                       }\r
+               }\r
+               return false;\r
+       };\r
+\r
+/**\r
+ * Utility function for retrieving the text value of an array of DOM nodes\r
+ * @param {Array|Element} elem\r
+ */\r
+var getText = Sizzle.getText = function( elem ) {\r
+       var node,\r
+               ret = "",\r
+               i = 0,\r
+               nodeType = elem.nodeType;\r
+\r
+       if ( nodeType ) {\r
+               if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {\r
+                       // Use textContent for elements\r
+                       // innerText usage removed for consistency of new lines (see #11153)\r
+                       if ( typeof elem.textContent === "string" ) {\r
+                               return elem.textContent;\r
+                       } else {\r
+                               // Traverse its children\r
+                               for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {\r
+                                       ret += getText( elem );\r
+                               }\r
+                       }\r
+               } else if ( nodeType === 3 || nodeType === 4 ) {\r
+                       return elem.nodeValue;\r
+               }\r
+               // Do not include comment or processing instruction nodes\r
+       } else {\r
+\r
+               // If no nodeType, this is expected to be an array\r
+               for ( ; (node = elem[i]); i++ ) {\r
+                       // Do not traverse comment nodes\r
+                       ret += getText( node );\r
+               }\r
+       }\r
+       return ret;\r
+};\r
+\r
+Sizzle.attr = function( elem, name ) {\r
+       var attr,\r
+               xml = isXML( elem );\r
+\r
+       if ( !xml ) {\r
+               name = name.toLowerCase();\r
+       }\r
+       if ( Expr.attrHandle[ name ] ) {\r
+               return Expr.attrHandle[ name ]( elem );\r
+       }\r
+       if ( assertAttributes || xml ) {\r
+               return elem.getAttribute( name );\r
+       }\r
+       attr = elem.getAttributeNode( name );\r
+       return attr ?\r
+               typeof elem[ name ] === "boolean" ?\r
+                       elem[ name ] ? name : null :\r
+                       attr.specified ? attr.value : null :\r
+               null;\r
+};\r
+\r
+Sizzle.error = function( msg ) {\r
+       throw new Error( "Syntax error, unrecognized expression: " + msg );\r
+};\r
+\r
+// Check if the JavaScript engine is using some sort of\r
+// optimization where it does not always call our comparision\r
+// function. If that is the case, discard the hasDuplicate value.\r
+//   Thus far that includes Google Chrome.\r
+[0, 0].sort(function() {\r
+       return (baseHasDuplicate = 0);\r
+});\r
+\r
+\r
+if ( docElem.compareDocumentPosition ) {\r
+       sortOrder = function( a, b ) {\r
+               if ( a === b ) {\r
+                       hasDuplicate = true;\r
+                       return 0;\r
+               }\r
+\r
+               return ( !a.compareDocumentPosition || !b.compareDocumentPosition ?\r
+                       a.compareDocumentPosition :\r
+                       a.compareDocumentPosition(b) & 4\r
+               ) ? -1 : 1;\r
+       };\r
+\r
+} else {\r
+       sortOrder = function( a, b ) {\r
+               // The nodes are identical, we can exit early\r
+               if ( a === b ) {\r
+                       hasDuplicate = true;\r
+                       return 0;\r
+\r
+               // Fallback to using sourceIndex (in IE) if it's available on both nodes\r
+               } else if ( a.sourceIndex && b.sourceIndex ) {\r
+                       return a.sourceIndex - b.sourceIndex;\r
+               }\r
+\r
+               var al, bl,\r
+                       ap = [],\r
+                       bp = [],\r
+                       aup = a.parentNode,\r
+                       bup = b.parentNode,\r
+                       cur = aup;\r
+\r
+               // If the nodes are siblings (or identical) we can do a quick check\r
+               if ( aup === bup ) {\r
+                       return siblingCheck( a, b );\r
+\r
+               // If no parents were found then the nodes are disconnected\r
+               } else if ( !aup ) {\r
+                       return -1;\r
+\r
+               } else if ( !bup ) {\r
+                       return 1;\r
+               }\r
+\r
+               // Otherwise they're somewhere else in the tree so we need\r
+               // to build up a full list of the parentNodes for comparison\r
+               while ( cur ) {\r
+                       ap.unshift( cur );\r
+                       cur = cur.parentNode;\r
+               }\r
+\r
+               cur = bup;\r
+\r
+               while ( cur ) {\r
+                       bp.unshift( cur );\r
+                       cur = cur.parentNode;\r
+               }\r
+\r
+               al = ap.length;\r
+               bl = bp.length;\r
+\r
+               // Start walking down the tree looking for a discrepancy\r
+               for ( var i = 0; i < al && i < bl; i++ ) {\r
+                       if ( ap[i] !== bp[i] ) {\r
+                               return siblingCheck( ap[i], bp[i] );\r
+                       }\r
+               }\r
+\r
+               // We ended someplace up the tree so do a sibling check\r
+               return i === al ?\r
+                       siblingCheck( a, bp[i], -1 ) :\r
+                       siblingCheck( ap[i], b, 1 );\r
+       };\r
+\r
+       siblingCheck = function( a, b, ret ) {\r
+               if ( a === b ) {\r
+                       return ret;\r
+               }\r
+\r
+               var cur = a.nextSibling;\r
+\r
+               while ( cur ) {\r
+                       if ( cur === b ) {\r
+                               return -1;\r
+                       }\r
+\r
+                       cur = cur.nextSibling;\r
+               }\r
+\r
+               return 1;\r
+       };\r
+}\r
+\r
+// Document sorting and removing duplicates\r
+Sizzle.uniqueSort = function( results ) {\r
+       var elem,\r
+               i = 1;\r
+\r
+       if ( sortOrder ) {\r
+               hasDuplicate = baseHasDuplicate;\r
+               results.sort( sortOrder );\r
+\r
+               if ( hasDuplicate ) {\r
+                       for ( ; (elem = results[i]); i++ ) {\r
+                               if ( elem === results[ i - 1 ] ) {\r
+                                       results.splice( i--, 1 );\r
+                               }\r
+                       }\r
+               }\r
+       }\r
+\r
+       return results;\r
+};\r
+\r
+function multipleContexts( selector, contexts, results, seed ) {\r
+       var i = 0,\r
+               len = contexts.length;\r
+       for ( ; i < len; i++ ) {\r
+               Sizzle( selector, contexts[i], results, seed );\r
+       }\r
+}\r
+\r
+function handlePOSGroup( selector, posfilter, argument, contexts, seed, not ) {\r
+       var results,\r
+               fn = Expr.setFilters[ posfilter.toLowerCase() ];\r
+\r
+       if ( !fn ) {\r
+               Sizzle.error( posfilter );\r
+       }\r
+\r
+       if ( selector || !(results = seed) ) {\r
+               multipleContexts( selector || "*", contexts, (results = []), seed );\r
+       }\r
+\r
+       return results.length > 0 ? fn( results, argument, not ) : [];\r
+}\r
+\r
+function handlePOS( selector, context, results, seed, groups ) {\r
+       var match, not, anchor, ret, elements, currentContexts, part, lastIndex,\r
+               i = 0,\r
+               len = groups.length,\r
+               rpos = matchExpr["POS"],\r
+               // This is generated here in case matchExpr["POS"] is extended\r
+               rposgroups = new RegExp( "^" + rpos.source + "(?!" + whitespace + ")", "i" ),\r
+               // This is for making sure non-participating\r
+               // matching groups are represented cross-browser (IE6-8)\r
+               setUndefined = function() {\r
+                       var i = 1,\r
+                               len = arguments.length - 2;\r
+                       for ( ; i < len; i++ ) {\r
+                               if ( arguments[i] === undefined ) {\r
+                                       match[i] = undefined;\r
+                               }\r
+                       }\r
+               };\r
+\r
+       for ( ; i < len; i++ ) {\r
+               // Reset regex index to 0\r
+               rpos.exec("");\r
+               selector = groups[i];\r
+               ret = [];\r
+               anchor = 0;\r
+               elements = seed;\r
+               while ( (match = rpos.exec( selector )) ) {\r
+                       lastIndex = rpos.lastIndex = match.index + match[0].length;\r
+                       if ( lastIndex > anchor ) {\r
+                               part = selector.slice( anchor, match.index );\r
+                               anchor = lastIndex;\r
+                               currentContexts = [ context ];\r
+\r
+                               if ( rcombinators.test(part) ) {\r
+                                       if ( elements ) {\r
+                                               currentContexts = elements;\r
+                                       }\r
+                                       elements = seed;\r
+                               }\r
+\r
+                               if ( (not = rendsWithNot.test( part )) ) {\r
+                                       part = part.slice( 0, -5 ).replace( rcombinators, "$&*" );\r
+                               }\r
+\r
+                               if ( match.length > 1 ) {\r
+                                       match[0].replace( rposgroups, setUndefined );\r
+                               }\r
+                               elements = handlePOSGroup( part, match[1], match[2], currentContexts, elements, not );\r
+                       }\r
+               }\r
+\r
+               if ( elements ) {\r
+                       ret = ret.concat( elements );\r
+\r
+                       if ( (part = selector.slice( anchor )) && part !== ")" ) {\r
+                               if ( rcombinators.test(part) ) {\r
+                                       multipleContexts( part, ret, results, seed );\r
+                               } else {\r
+                                       Sizzle( part, context, results, seed ? seed.concat(elements) : elements );\r
+                               }\r
+                       } else {\r
+                               push.apply( results, ret );\r
+                       }\r
+               } else {\r
+                       Sizzle( selector, context, results, seed );\r
+               }\r
+       }\r
+\r
+       // Do not sort if this is a single filter\r
+       return len === 1 ? results : Sizzle.uniqueSort( results );\r
+}\r
+\r
+function tokenize( selector, context, xml ) {\r
+       var tokens, soFar, type,\r
+               groups = [],\r
+               i = 0,\r
+\r
+               // Catch obvious selector issues: terminal ")"; nonempty fallback match\r
+               // rselector never fails to match *something*\r
+               match = rselector.exec( selector ),\r
+               matched = !match.pop() && !match.pop(),\r
+               selectorGroups = matched && selector.match( rgroups ) || [""],\r
+\r
+               preFilters = Expr.preFilter,\r
+               filters = Expr.filter,\r
+               checkContext = !xml && context !== document;\r
+\r
+       for ( ; (soFar = selectorGroups[i]) != null && matched; i++ ) {\r
+               groups.push( tokens = [] );\r
+\r
+               // Need to make sure we're within a narrower context if necessary\r
+               // Adding a descendant combinator will generate what is needed\r
+               if ( checkContext ) {\r
+                       soFar = " " + soFar;\r
+               }\r
+\r
+               while ( soFar ) {\r
+                       matched = false;\r
+\r
+                       // Combinators\r
+                       if ( (match = rcombinators.exec( soFar )) ) {\r
+                               soFar = soFar.slice( match[0].length );\r
+\r
+                               // Cast descendant combinators to space\r
+                               matched = tokens.push({ part: match.pop().replace( rtrim, " " ), captures: match });\r
+                       }\r
+\r
+                       // Filters\r
+                       for ( type in filters ) {\r
+                               if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||\r
+                                       (match = preFilters[ type ]( match, context, xml )) ) ) {\r
+\r
+                                       soFar = soFar.slice( match.shift().length );\r
+                                       matched = tokens.push({ part: type, captures: match });\r
+                               }\r
+                       }\r
+\r
+                       if ( !matched ) {\r
+                               break;\r
+                       }\r
+               }\r
+       }\r
+\r
+       if ( !matched ) {\r
+               Sizzle.error( selector );\r
+       }\r
+\r
+       return groups;\r
+}\r
+\r
+function addCombinator( matcher, combinator, context ) {\r
+       var dir = combinator.dir,\r
+               doneName = done++;\r
+\r
+       if ( !matcher ) {\r
+               // If there is no matcher to check, check against the context\r
+               matcher = function( elem ) {\r
+                       return elem === context;\r
+               };\r
+       }\r
+       return combinator.first ?\r
+               function( elem, context ) {\r
+                       while ( (elem = elem[ dir ]) ) {\r
+                               if ( elem.nodeType === 1 ) {\r
+                                       return matcher( elem, context ) && elem;\r
+                               }\r
+                       }\r
+               } :\r
+               function( elem, context ) {\r
+                       var cache,\r
+                               dirkey = doneName + "." + dirruns,\r
+                               cachedkey = dirkey + "." + cachedruns;\r
+                       while ( (elem = elem[ dir ]) ) {\r
+                               if ( elem.nodeType === 1 ) {\r
+                                       if ( (cache = elem[ expando ]) === cachedkey ) {\r
+                                               return elem.sizset;\r
+                                       } else if ( typeof cache === "string" && cache.indexOf(dirkey) === 0 ) {\r
+                                               if ( elem.sizset ) {\r
+                                                       return elem;\r
+                                               }\r
+                                       } else {\r
+                                               elem[ expando ] = cachedkey;\r
+                                               if ( matcher( elem, context ) ) {\r
+                                                       elem.sizset = true;\r
+                                                       return elem;\r
+                                               }\r
+                                               elem.sizset = false;\r
+                                       }\r
+                               }\r
+                       }\r
+               };\r
+}\r
+\r
+function addMatcher( higher, deeper ) {\r
+       return higher ?\r
+               function( elem, context ) {\r
+                       var result = deeper( elem, context );\r
+                       return result && higher( result === true ? elem : result, context );\r
+               } :\r
+               deeper;\r
+}\r
+\r
+// ["TAG", ">", "ID", " ", "CLASS"]\r
+function matcherFromTokens( tokens, context, xml ) {\r
+       var token, matcher,\r
+               i = 0;\r
+\r
+       for ( ; (token = tokens[i]); i++ ) {\r
+               if ( Expr.relative[ token.part ] ) {\r
+                       matcher = addCombinator( matcher, Expr.relative[ token.part ], context );\r
+               } else {\r
+                       token.captures.push( context, xml );\r
+                       matcher = addMatcher( matcher, Expr.filter[ token.part ].apply( null, token.captures ) );\r
+               }\r
+       }\r
+\r
+       return matcher;\r
+}\r
+\r
+function matcherFromGroupMatchers( matchers ) {\r
+       return function( elem, context ) {\r
+               var matcher,\r
+                       j = 0;\r
+               for ( ; (matcher = matchers[j]); j++ ) {\r
+                       if ( matcher(elem, context) ) {\r
+                               return true;\r
+                       }\r
+               }\r
+               return false;\r
+       };\r
+}\r
+\r
+var compile = Sizzle.compile = function( selector, context, xml ) {\r
+       var tokens, group, i,\r
+               cached = compilerCache[ selector ];\r
+\r
+       // Return a cached group function if already generated (context dependent)\r
+       if ( cached && cached.context === context ) {\r
+               return cached;\r
+       }\r
+\r
+       // Generate a function of recursive functions that can be used to check each element\r
+       group = tokenize( selector, context, xml );\r
+       for ( i = 0; (tokens = group[i]); i++ ) {\r
+               group[i] = matcherFromTokens( tokens, context, xml );\r
+       }\r
+\r
+       // Cache the compiled function\r
+       cached = compilerCache[ selector ] = matcherFromGroupMatchers( group );\r
+       cached.context = context;\r
+       cached.runs = cached.dirruns = 0;\r
+       cachedSelectors.push( selector );\r
+       // Ensure only the most recent are cached\r
+       if ( cachedSelectors.length > Expr.cacheLength ) {\r
+               delete compilerCache[ cachedSelectors.shift() ];\r
+       }\r
+       return cached;\r
+};\r
+\r
+Sizzle.matches = function( expr, elements ) {\r
+       return Sizzle( expr, null, null, elements );\r
+};\r
+\r
+Sizzle.matchesSelector = function( elem, expr ) {\r
+       return Sizzle( expr, null, null, [ elem ] ).length > 0;\r
+};\r
+\r
+var select = function( selector, context, results, seed, xml ) {\r
+       // Remove excessive whitespace\r
+       selector = selector.replace( rtrim, "$1" );\r
+       var elements, matcher, i, len, elem, token,\r
+               type, findContext, notTokens,\r
+               match = selector.match( rgroups ),\r
+               tokens = selector.match( rtokens ),\r
+               contextNodeType = context.nodeType;\r
+\r
+       // POS handling\r
+       if ( matchExpr["POS"].test(selector) ) {\r
+               return handlePOS( selector, context, results, seed, match );\r
+       }\r
+\r
+       if ( seed ) {\r
+               elements = slice.call( seed, 0 );\r
+\r
+       // To maintain document order, only narrow the\r
+       // set if there is one group\r
+       } else if ( match && match.length === 1 ) {\r
+\r
+               // Take a shortcut and set the context if the root selector is an ID\r
+               if ( tokens.length > 1 && contextNodeType === 9 && !xml &&\r
+                               (match = matchExpr["ID"].exec( tokens[0] )) ) {\r
+\r
+                       context = Expr.find["ID"]( match[1], context, xml )[0];\r
+                       if ( !context ) {\r
+                               return results;\r
+                       }\r
+\r
+                       selector = selector.slice( tokens.shift().length );\r
+               }\r
+\r
+               findContext = ( (match = rsibling.exec( tokens[0] )) && !match.index && context.parentNode ) || context;\r
+\r
+               // Get the last token, excluding :not\r
+               notTokens = tokens.pop();\r
+               token = notTokens.split(":not")[0];\r
+\r
+               for ( i = 0, len = Expr.order.length; i < len; i++ ) {\r
+                       type = Expr.order[i];\r
+\r
+                       if ( (match = matchExpr[ type ].exec( token )) ) {\r
+                               elements = Expr.find[ type ]( (match[1] || "").replace( rbackslash, "" ), findContext, xml );\r
+\r
+                               if ( elements == null ) {\r
+                                       continue;\r
+                               }\r
+\r
+                               if ( token === notTokens ) {\r
+                                       selector = selector.slice( 0, selector.length - notTokens.length ) +\r
+                                               token.replace( matchExpr[ type ], "" );\r
+\r
+                                       if ( !selector ) {\r
+                                               push.apply( results, slice.call(elements, 0) );\r
+                                       }\r
+                               }\r
+                               break;\r
+                       }\r
+               }\r
+       }\r
+\r
+       // Only loop over the given elements once\r
+       // If selector is empty, we're already done\r
+       if ( selector ) {\r
+               matcher = compile( selector, context, xml );\r
+               dirruns = matcher.dirruns++;\r
+\r
+               if ( elements == null ) {\r
+                       elements = Expr.find["TAG"]( "*", (rsibling.test( selector ) && context.parentNode) || context );\r
+               }\r
+               for ( i = 0; (elem = elements[i]); i++ ) {\r
+                       cachedruns = matcher.runs++;\r
+                       if ( matcher(elem, context) ) {\r
+                               results.push( elem );\r
+                       }\r
+               }\r
+       }\r
+\r
+       return results;\r
+};\r
+\r
+if ( document.querySelectorAll ) {\r
+       (function() {\r
+               var disconnectedMatch,\r
+                       oldSelect = select,\r
+                       rescape = /'|\\/g,\r
+                       rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,\r
+                       rbuggyQSA = [],\r
+                       // matchesSelector(:active) reports false when true (IE9/Opera 11.5)\r
+                       // A support test would require too much code (would include document ready)\r
+                       // just skip matchesSelector for :active\r
+                       rbuggyMatches = [":active"],\r
+                       matches = docElem.matchesSelector ||\r
+                               docElem.mozMatchesSelector ||\r
+                               docElem.webkitMatchesSelector ||\r
+                               docElem.oMatchesSelector ||\r
+                               docElem.msMatchesSelector;\r
+\r
+               // Build QSA regex\r
+               // Regex strategy adopted from Diego Perini\r
+               assert(function( div ) {\r
+                       div.innerHTML = "<select><option selected></option></select>";\r
+\r
+                       // IE8 - Some boolean attributes are not treated correctly\r
+                       if ( !div.querySelectorAll("[selected]").length ) {\r
+                               rbuggyQSA.push( "\\[" + whitespace + "*(?:checked|disabled|ismap|multiple|readonly|selected|value)" );\r
+                       }\r
+\r
+                       // Webkit/Opera - :checked should return selected option elements\r
+                       // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked\r
+                       // IE8 throws error here (do not put tests after this one)\r
+                       if ( !div.querySelectorAll(":checked").length ) {\r
+                               rbuggyQSA.push(":checked");\r
+                       }\r
+               });\r
+\r
+               assert(function( div ) {\r
+\r
+                       // Opera 10-12/IE9 - ^= $= *= and empty values\r
+                       // Should not select anything\r
+                       div.innerHTML = "<p test=''></p>";\r
+                       if ( div.querySelectorAll("[test^='']").length ) {\r
+                               rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:\"\"|'')" );\r
+                       }\r
+\r
+                       // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)\r
+                       // IE8 throws error here (do not put tests after this one)\r
+                       div.innerHTML = "<input type='hidden'>";\r
+                       if ( !div.querySelectorAll(":enabled").length ) {\r
+                               rbuggyQSA.push(":enabled", ":disabled");\r
+                       }\r
+               });\r
+\r
+               rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );\r
+\r
+               select = function( selector, context, results, seed, xml ) {\r
+                       // Only use querySelectorAll when not filtering,\r
+                       // when this is not xml,\r
+                       // and when no QSA bugs apply\r
+                       if ( !seed && !xml && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {\r
+                               if ( context.nodeType === 9 ) {\r
+                                       try {\r
+                                               push.apply( results, slice.call(context.querySelectorAll( selector ), 0) );\r
+                                               return results;\r
+                                       } catch(qsaError) {}\r
+                               // qSA works strangely on Element-rooted queries\r
+                               // We can work around this by specifying an extra ID on the root\r
+                               // and working up from there (Thanks to Andrew Dupont for the technique)\r
+                               // IE 8 doesn't work on object elements\r
+                               } else if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {\r
+                                       var old = context.getAttribute("id"),\r
+                                               nid = old || expando,\r
+                                               newContext = rsibling.test( selector ) && context.parentNode || context;\r
+\r
+                                       if ( old ) {\r
+                                               nid = nid.replace( rescape, "\\$&" );\r
+                                       } else {\r
+                                               context.setAttribute( "id", nid );\r
+                                       }\r
+\r
+                                       try {\r
+                                               push.apply( results, slice.call( newContext.querySelectorAll(\r
+                                                       selector.replace( rgroups, "[id='" + nid + "'] $&" )\r
+                                               ), 0 ) );\r
+                                               return results;\r
+                                       } catch(qsaError) {\r
+                                       } finally {\r
+                                               if ( !old ) {\r
+                                                       context.removeAttribute("id");\r
+                                               }\r
+                                       }\r
+                               }\r
+                       }\r
+\r
+                       return oldSelect( selector, context, results, seed, xml );\r
+               };\r
+\r
+               if ( matches ) {\r
+                       assert(function( div ) {\r
+                               // Check to see if it's possible to do matchesSelector\r
+                               // on a disconnected node (IE 9)\r
+                               disconnectedMatch = matches.call( div, "div" );\r
+\r
+                               // This should fail with an exception\r
+                               // Gecko does not error, returns false instead\r
+                               try {\r
+                                       matches.call( div, "[test!='']:sizzle" );\r
+                                       rbuggyMatches.push( Expr.match.PSEUDO );\r
+                               } catch ( e ) {}\r
+                       });\r
+\r
+                       // rbuggyMatches always contains :active, so no need for a length check\r
+                       rbuggyMatches = /* rbuggyMatches.length && */ new RegExp( rbuggyMatches.join("|") );\r
+\r
+                       Sizzle.matchesSelector = function( elem, expr ) {\r
+                               // Make sure that attribute selectors are quoted\r
+                               expr = expr.replace( rattributeQuotes, "='$1']" );\r
+\r
+                               // rbuggyMatches always contains :active, so no need for an existence check\r
+                               if ( !isXML( elem ) && !rbuggyMatches.test( expr ) && (!rbuggyQSA || !rbuggyQSA.test( expr )) ) {\r
+                                       try {\r
+                                               var ret = matches.call( elem, expr );\r
+\r
+                                               // IE 9's matchesSelector returns false on disconnected nodes\r
+                                               if ( ret || disconnectedMatch ||\r
+                                                               // As well, disconnected nodes are said to be in a document\r
+                                                               // fragment in IE 9\r
+                                                               elem.document && elem.document.nodeType !== 11 ) {\r
+                                                       return ret;\r
+                                               }\r
+                                       } catch(e) {}\r
+                               }\r
+\r
+                               return Sizzle( expr, null, null, [ elem ] ).length > 0;\r
+                       };\r
+               }\r
+       })();\r
+}\r
+\r
+// Override sizzle attribute retrieval
+Sizzle.attr = jQuery.attr;
+jQuery.find = Sizzle;
+jQuery.expr = Sizzle.selectors;
+jQuery.expr[":"] = jQuery.expr.pseudos;
+jQuery.unique = Sizzle.uniqueSort;
+jQuery.text = Sizzle.getText;
+jQuery.isXMLDoc = Sizzle.isXML;
+jQuery.contains = Sizzle.contains;
+\r
+\r
+})( window );\r
+var runtil = /Until$/,
+       rparentsprev = /^(?:parents|prev(?:Until|All))/,
+       isSimple = /^.[^:#\[\.,]*$/,
+       rneedsContext = jQuery.expr.match.needsContext,
+       // methods guaranteed to produce a unique set when starting from a unique set
+       guaranteedUnique = {
+               children: true,
+               contents: true,
+               next: true,
+               prev: true
+       };
 
+jQuery.fn.extend({
+       find: function( selector ) {
+               var i, l, length, n, r, ret,
+                       self = this;
 
-
-/*!
- * Sizzle CSS Selector Engine
- *  Copyright 2011, The Dojo Foundation
- *  Released under the MIT, BSD, and GPL Licenses.
- *  More information: http://sizzlejs.com/
- */
-(function(){
-
-var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|['"][^'"]*['"]|[^\[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
-       expando = "sizcache" + (Math.random() + '').replace('.', ''),
-       done = 0,
-       toString = Object.prototype.toString,
-       hasDuplicate = false,
-       baseHasDuplicate = true,
-       rBackslash = /\\/g,
-       rReturn = /\r\n/g,
-       rNonWord = /\W/;
-
-// Here we check if the JavaScript engine is using some sort of
-// optimization where it does not always call our comparision
-// function. If that is the case, discard the hasDuplicate value.
-//   Thus far that includes Google Chrome.
-[0, 0].sort(function() {
-       baseHasDuplicate = false;
-       return 0;
-});
-
-var Sizzle = function( selector, context, results, seed ) {
-       results = results || [];
-       context = context || document;
-
-       var origContext = context;
-
-       if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
-               return [];
-       }
-
-       if ( !selector || typeof selector !== "string" ) {
-               return results;
-       }
-
-       var m, set, checkSet, extra, ret, cur, pop, i,
-               prune = true,
-               contextXML = Sizzle.isXML( context ),
-               parts = [],
-               soFar = selector;
-
-       // Reset the position of the chunker regexp (start from head)
-       do {
-               chunker.exec( "" );
-               m = chunker.exec( soFar );
-
-               if ( m ) {
-                       soFar = m[3];
-
-                       parts.push( m[1] );
-
-                       if ( m[2] ) {
-                               extra = m[3];
-                               break;
-                       }
+               if ( typeof selector !== "string" ) {
+                       return jQuery( selector ).filter(function() {
+                               for ( i = 0, l = self.length; i < l; i++ ) {
+                                       if ( jQuery.contains( self[ i ], this ) ) {
+                                               return true;
+                                       }
+                               }
+                       });
                }
-       } while ( m );
-
-       if ( parts.length > 1 && origPOS.exec( selector ) ) {
 
-               if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
-                       set = posProcess( parts[0] + parts[1], context, seed );
+               ret = this.pushStack( "", "find", selector );
 
-               } else {
-                       set = Expr.relative[ parts[0] ] ?
-                               [ context ] :
-                               Sizzle( parts.shift(), context );
-
-                       while ( parts.length ) {
-                               selector = parts.shift();
+               for ( i = 0, l = this.length; i < l; i++ ) {
+                       length = ret.length;
+                       jQuery.find( selector, this[i], ret );
 
-                               if ( Expr.relative[ selector ] ) {
-                                       selector += parts.shift();
+                       if ( i > 0 ) {
+                               // Make sure that the results are unique
+                               for ( n = length; n < ret.length; n++ ) {
+                                       for ( r = 0; r < length; r++ ) {
+                                               if ( ret[r] === ret[n] ) {
+                                                       ret.splice(n--, 1);
+                                                       break;
+                                               }
+                                       }
                                }
-
-                               set = posProcess( selector, set, seed );
                        }
                }
 
-       } else {
-               // Take a shortcut and set the context if the root selector is an ID
-               // (but not if it'll be faster if the inner selector is an ID)
-               if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
-                               Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
-
-                       ret = Sizzle.find( parts.shift(), context, contextXML );
-                       context = ret.expr ?
-                               Sizzle.filter( ret.expr, ret.set )[0] :
-                               ret.set[0];
-               }
-
-               if ( context ) {
-                       ret = seed ?
-                               { expr: parts.pop(), set: makeArray(seed) } :
-                               Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
-
-                       set = ret.expr ?
-                               Sizzle.filter( ret.expr, ret.set ) :
-                               ret.set;
-
-                       if ( parts.length > 0 ) {
-                               checkSet = makeArray( set );
-
-                       } else {
-                               prune = false;
-                       }
-
-                       while ( parts.length ) {
-                               cur = parts.pop();
-                               pop = cur;
+               return ret;
+       },
 
-                               if ( !Expr.relative[ cur ] ) {
-                                       cur = "";
-                               } else {
-                                       pop = parts.pop();
-                               }
+       has: function( target ) {
+               var i,
+                       targets = jQuery( target, this ),
+                       len = targets.length;
 
-                               if ( pop == null ) {
-                                       pop = context;
+               return this.filter(function() {
+                       for ( i = 0; i < len; i++ ) {
+                               if ( jQuery.contains( this, targets[i] ) ) {
+                                       return true;
                                }
-
-                               Expr.relative[ cur ]( checkSet, pop, contextXML );
                        }
+               });
+       },
 
-               } else {
-                       checkSet = parts = [];
-               }
-       }
+       not: function( selector ) {
+               return this.pushStack( winnow(this, selector, false), "not", selector);
+       },
 
-       if ( !checkSet ) {
-               checkSet = set;
-       }
+       filter: function( selector ) {
+               return this.pushStack( winnow(this, selector, true), "filter", selector );
+       },
 
-       if ( !checkSet ) {
-               Sizzle.error( cur || selector );
-       }
+       is: function( selector ) {
+               return !!selector && (
+                       typeof selector === "string" ?
+                               // If this is a positional/relative selector, check membership in the returned set
+                               // so $("p:first").is("p:last") won't return true for a doc with two "p".
+                               rneedsContext.test( selector ) ?
+                                       jQuery( selector, this.context ).index( this[0] ) >= 0 :
+                                       jQuery.filter( selector, this ).length > 0 :
+                               this.filter( selector ).length > 0 );
+       },
 
-       if ( toString.call(checkSet) === "[object Array]" ) {
-               if ( !prune ) {
-                       results.push.apply( results, checkSet );
+       closest: function( selectors, context ) {
+               var cur,
+                       i = 0,
+                       l = this.length,
+                       ret = [],
+                       pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
+                               jQuery( selectors, context || this.context ) :
+                               0;
 
-               } else if ( context && context.nodeType === 1 ) {
-                       for ( i = 0; checkSet[i] != null; i++ ) {
-                               if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && Sizzle.contains(context, checkSet[i])) ) {
-                                       results.push( set[i] );
-                               }
-                       }
+               for ( ; i < l; i++ ) {
+                       cur = this[i];
 
-               } else {
-                       for ( i = 0; checkSet[i] != null; i++ ) {
-                               if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
-                                       results.push( set[i] );
+                       while ( cur && cur.ownerDocument && cur !== context && cur.nodeType !== 11 ) {
+                               if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
+                                       ret.push( cur );
+                                       break;
                                }
+                               cur = cur.parentNode;
                        }
                }
 
-       } else {
-               makeArray( checkSet, results );
-       }
+               ret = ret.length > 1 ? jQuery.unique( ret ) : ret;
 
-       if ( extra ) {
-               Sizzle( extra, origContext, results, seed );
-               Sizzle.uniqueSort( results );
-       }
+               return this.pushStack( ret, "closest", selectors );
+       },
 
-       return results;
-};
+       // Determine the position of an element within
+       // the matched set of elements
+       index: function( elem ) {
 
-Sizzle.uniqueSort = function( results ) {
-       if ( sortOrder ) {
-               hasDuplicate = baseHasDuplicate;
-               results.sort( sortOrder );
+               // No argument, return index in parent
+               if ( !elem ) {
+                       return ( this[0] && this[0].parentNode ) ? this.prevAll().length : -1;
+               }
 
-               if ( hasDuplicate ) {
-                       for ( var i = 1; i < results.length; i++ ) {
-                               if ( results[i] === results[ i - 1 ] ) {
-                                       results.splice( i--, 1 );
-                               }
-                       }
-               }
-       }
-
-       return results;
-};
-
-Sizzle.matches = function( expr, set ) {
-       return Sizzle( expr, null, null, set );
-};
-
-Sizzle.matchesSelector = function( node, expr ) {
-       return Sizzle( expr, null, null, [node] ).length > 0;
-};
-
-Sizzle.find = function( expr, context, isXML ) {
-       var set, i, len, match, type, left;
-
-       if ( !expr ) {
-               return [];
-       }
-
-       for ( i = 0, len = Expr.order.length; i < len; i++ ) {
-               type = Expr.order[i];
-
-               if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
-                       left = match[1];
-                       match.splice( 1, 1 );
-
-                       if ( left.substr( left.length - 1 ) !== "\\" ) {
-                               match[1] = (match[1] || "").replace( rBackslash, "" );
-                               set = Expr.find[ type ]( match, context, isXML );
-
-                               if ( set != null ) {
-                                       expr = expr.replace( Expr.match[ type ], "" );
-                                       break;
-                               }
-                       }
-               }
-       }
-
-       if ( !set ) {
-               set = typeof context.getElementsByTagName !== "undefined" ?
-                       context.getElementsByTagName( "*" ) :
-                       [];
-       }
-
-       return { set: set, expr: expr };
-};
-
-Sizzle.filter = function( expr, set, inplace, not ) {
-       var match, anyFound,
-               type, found, item, filter, left,
-               i, pass,
-               old = expr,
-               result = [],
-               curLoop = set,
-               isXMLFilter = set && set[0] && Sizzle.isXML( set[0] );
-
-       while ( expr && set.length ) {
-               for ( type in Expr.filter ) {
-                       if ( (match = Expr.leftMatch[ type ].exec( expr )) != null && match[2] ) {
-                               filter = Expr.filter[ type ];
-                               left = match[1];
-
-                               anyFound = false;
-
-                               match.splice(1,1);
-
-                               if ( left.substr( left.length - 1 ) === "\\" ) {
-                                       continue;
-                               }
-
-                               if ( curLoop === result ) {
-                                       result = [];
-                               }
-
-                               if ( Expr.preFilter[ type ] ) {
-                                       match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
-
-                                       if ( !match ) {
-                                               anyFound = found = true;
-
-                                       } else if ( match === true ) {
-                                               continue;
-                                       }
-                               }
-
-                               if ( match ) {
-                                       for ( i = 0; (item = curLoop[i]) != null; i++ ) {
-                                               if ( item ) {
-                                                       found = filter( item, match, i, curLoop );
-                                                       pass = not ^ found;
-
-                                                       if ( inplace && found != null ) {
-                                                               if ( pass ) {
-                                                                       anyFound = true;
-
-                                                               } else {
-                                                                       curLoop[i] = false;
-                                                               }
-
-                                                       } else if ( pass ) {
-                                                               result.push( item );
-                                                               anyFound = true;
-                                                       }
-                                               }
-                                       }
-                               }
-
-                               if ( found !== undefined ) {
-                                       if ( !inplace ) {
-                                               curLoop = result;
-                                       }
-
-                                       expr = expr.replace( Expr.match[ type ], "" );
-
-                                       if ( !anyFound ) {
-                                               return [];
-                                       }
-
-                                       break;
-                               }
-                       }
-               }
-
-               // Improper expression
-               if ( expr === old ) {
-                       if ( anyFound == null ) {
-                               Sizzle.error( expr );
-
-                       } else {
-                               break;
-                       }
-               }
-
-               old = expr;
-       }
-
-       return curLoop;
-};
-
-Sizzle.error = function( msg ) {
-       throw new Error( "Syntax error, unrecognized expression: " + msg );
-};
-
-/**
- * Utility function for retreiving the text value of an array of DOM nodes
- * @param {Array|Element} elem
- */
-var getText = Sizzle.getText = function( elem ) {
-    var i, node,
-               nodeType = elem.nodeType,
-               ret = "";
-
-       if ( nodeType ) {
-               if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
-                       // Use textContent || innerText for elements
-                       if ( typeof elem.textContent === 'string' ) {
-                               return elem.textContent;
-                       } else if ( typeof elem.innerText === 'string' ) {
-                               // Replace IE's carriage returns
-                               return elem.innerText.replace( rReturn, '' );
-                       } else {
-                               // Traverse it's children
-                               for ( elem = elem.firstChild; elem; elem = elem.nextSibling) {
-                                       ret += getText( elem );
-                               }
-                       }
-               } else if ( nodeType === 3 || nodeType === 4 ) {
-                       return elem.nodeValue;
-               }
-       } else {
-
-               // If no nodeType, this is expected to be an array
-               for ( i = 0; (node = elem[i]); i++ ) {
-                       // Do not traverse comment nodes
-                       if ( node.nodeType !== 8 ) {
-                               ret += getText( node );
-                       }
-               }
-       }
-       return ret;
-};
-
-var Expr = Sizzle.selectors = {
-       order: [ "ID", "NAME", "TAG" ],
-
-       match: {
-               ID: /#((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
-               CLASS: /\.((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
-               NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF\-]|\\.)+)['"]*\]/,
-               ATTR: /\[\s*((?:[\w\u00c0-\uFFFF\-]|\\.)+)\s*(?:(\S?=)\s*(?:(['"])(.*?)\3|(#?(?:[\w\u00c0-\uFFFF\-]|\\.)*)|)|)\s*\]/,
-               TAG: /^((?:[\w\u00c0-\uFFFF\*\-]|\\.)+)/,
-               CHILD: /:(only|nth|last|first)-child(?:\(\s*(even|odd|(?:[+\-]?\d+|(?:[+\-]?\d*)?n\s*(?:[+\-]\s*\d+)?))\s*\))?/,
-               POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^\-]|$)/,
-               PSEUDO: /:((?:[\w\u00c0-\uFFFF\-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/
-       },
-
-       leftMatch: {},
-
-       attrMap: {
-               "class": "className",
-               "for": "htmlFor"
-       },
-
-       attrHandle: {
-               href: function( elem ) {
-                       return elem.getAttribute( "href" );
-               },
-               type: function( elem ) {
-                       return elem.getAttribute( "type" );
-               }
-       },
-
-       relative: {
-               "+": function(checkSet, part){
-                       var isPartStr = typeof part === "string",
-                               isTag = isPartStr && !rNonWord.test( part ),
-                               isPartStrNotTag = isPartStr && !isTag;
-
-                       if ( isTag ) {
-                               part = part.toLowerCase();
-                       }
-
-                       for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
-                               if ( (elem = checkSet[i]) ) {
-                                       while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
-
-                                       checkSet[i] = isPartStrNotTag || elem && elem.nodeName.toLowerCase() === part ?
-                                               elem || false :
-                                               elem === part;
-                               }
-                       }
-
-                       if ( isPartStrNotTag ) {
-                               Sizzle.filter( part, checkSet, true );
-                       }
-               },
-
-               ">": function( checkSet, part ) {
-                       var elem,
-                               isPartStr = typeof part === "string",
-                               i = 0,
-                               l = checkSet.length;
-
-                       if ( isPartStr && !rNonWord.test( part ) ) {
-                               part = part.toLowerCase();
-
-                               for ( ; i < l; i++ ) {
-                                       elem = checkSet[i];
-
-                                       if ( elem ) {
-                                               var parent = elem.parentNode;
-                                               checkSet[i] = parent.nodeName.toLowerCase() === part ? parent : false;
-                                       }
-                               }
-
-                       } else {
-                               for ( ; i < l; i++ ) {
-                                       elem = checkSet[i];
-
-                                       if ( elem ) {
-                                               checkSet[i] = isPartStr ?
-                                                       elem.parentNode :
-                                                       elem.parentNode === part;
-                                       }
-                               }
-
-                               if ( isPartStr ) {
-                                       Sizzle.filter( part, checkSet, true );
-                               }
-                       }
-               },
-
-               "": function(checkSet, part, isXML){
-                       var nodeCheck,
-                               doneName = done++,
-                               checkFn = dirCheck;
-
-                       if ( typeof part === "string" && !rNonWord.test( part ) ) {
-                               part = part.toLowerCase();
-                               nodeCheck = part;
-                               checkFn = dirNodeCheck;
-                       }
-
-                       checkFn( "parentNode", part, doneName, checkSet, nodeCheck, isXML );
-               },
-
-               "~": function( checkSet, part, isXML ) {
-                       var nodeCheck,
-                               doneName = done++,
-                               checkFn = dirCheck;
-
-                       if ( typeof part === "string" && !rNonWord.test( part ) ) {
-                               part = part.toLowerCase();
-                               nodeCheck = part;
-                               checkFn = dirNodeCheck;
-                       }
-
-                       checkFn( "previousSibling", part, doneName, checkSet, nodeCheck, isXML );
-               }
-       },
-
-       find: {
-               ID: function( match, context, isXML ) {
-                       if ( typeof context.getElementById !== "undefined" && !isXML ) {
-                               var m = context.getElementById(match[1]);
-                               // Check parentNode to catch when Blackberry 4.6 returns
-                               // nodes that are no longer in the document #6963
-                               return m && m.parentNode ? [m] : [];
-                       }
-               },
-
-               NAME: function( match, context ) {
-                       if ( typeof context.getElementsByName !== "undefined" ) {
-                               var ret = [],
-                                       results = context.getElementsByName( match[1] );
-
-                               for ( var i = 0, l = results.length; i < l; i++ ) {
-                                       if ( results[i].getAttribute("name") === match[1] ) {
-                                               ret.push( results[i] );
-                                       }
-                               }
-
-                               return ret.length === 0 ? null : ret;
-                       }
-               },
-
-               TAG: function( match, context ) {
-                       if ( typeof context.getElementsByTagName !== "undefined" ) {
-                               return context.getElementsByTagName( match[1] );
-                       }
-               }
-       },
-       preFilter: {
-               CLASS: function( match, curLoop, inplace, result, not, isXML ) {
-                       match = " " + match[1].replace( rBackslash, "" ) + " ";
-
-                       if ( isXML ) {
-                               return match;
-                       }
-
-                       for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
-                               if ( elem ) {
-                                       if ( not ^ (elem.className && (" " + elem.className + " ").replace(/[\t\n\r]/g, " ").indexOf(match) >= 0) ) {
-                                               if ( !inplace ) {
-                                                       result.push( elem );
-                                               }
-
-                                       } else if ( inplace ) {
-                                               curLoop[i] = false;
-                                       }
-                               }
-                       }
-
-                       return false;
-               },
-
-               ID: function( match ) {
-                       return match[1].replace( rBackslash, "" );
-               },
-
-               TAG: function( match, curLoop ) {
-                       return match[1].replace( rBackslash, "" ).toLowerCase();
-               },
-
-               CHILD: function( match ) {
-                       if ( match[1] === "nth" ) {
-                               if ( !match[2] ) {
-                                       Sizzle.error( match[0] );
-                               }
-
-                               match[2] = match[2].replace(/^\+|\s*/g, '');
-
-                               // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
-                               var test = /(-?)(\d*)(?:n([+\-]?\d*))?/.exec(
-                                       match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" ||
-                                       !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
-
-                               // calculate the numbers (first)n+(last) including if they are negative
-                               match[2] = (test[1] + (test[2] || 1)) - 0;
-                               match[3] = test[3] - 0;
-                       }
-                       else if ( match[2] ) {
-                               Sizzle.error( match[0] );
-                       }
-
-                       // TODO: Move to normal caching system
-                       match[0] = done++;
-
-                       return match;
-               },
-
-               ATTR: function( match, curLoop, inplace, result, not, isXML ) {
-                       var name = match[1] = match[1].replace( rBackslash, "" );
-
-                       if ( !isXML && Expr.attrMap[name] ) {
-                               match[1] = Expr.attrMap[name];
-                       }
-
-                       // Handle if an un-quoted value was used
-                       match[4] = ( match[4] || match[5] || "" ).replace( rBackslash, "" );
-
-                       if ( match[2] === "~=" ) {
-                               match[4] = " " + match[4] + " ";
-                       }
-
-                       return match;
-               },
-
-               PSEUDO: function( match, curLoop, inplace, result, not ) {
-                       if ( match[1] === "not" ) {
-                               // If we're dealing with a complex expression, or a simple one
-                               if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
-                                       match[3] = Sizzle(match[3], null, null, curLoop);
-
-                               } else {
-                                       var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
-
-                                       if ( !inplace ) {
-                                               result.push.apply( result, ret );
-                                       }
-
-                                       return false;
-                               }
-
-                       } else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
-                               return true;
-                       }
-
-                       return match;
-               },
-
-               POS: function( match ) {
-                       match.unshift( true );
-
-                       return match;
-               }
-       },
-
-       filters: {
-               enabled: function( elem ) {
-                       return elem.disabled === false && elem.type !== "hidden";
-               },
-
-               disabled: function( elem ) {
-                       return elem.disabled === true;
-               },
-
-               checked: function( elem ) {
-                       return elem.checked === true;
-               },
-
-               selected: function( elem ) {
-                       // Accessing this property makes selected-by-default
-                       // options in Safari work properly
-                       if ( elem.parentNode ) {
-                               elem.parentNode.selectedIndex;
-                       }
-
-                       return elem.selected === true;
-               },
-
-               parent: function( elem ) {
-                       return !!elem.firstChild;
-               },
-
-               empty: function( elem ) {
-                       return !elem.firstChild;
-               },
-
-               has: function( elem, i, match ) {
-                       return !!Sizzle( match[3], elem ).length;
-               },
-
-               header: function( elem ) {
-                       return (/h\d/i).test( elem.nodeName );
-               },
-
-               text: function( elem ) {
-                       var attr = elem.getAttribute( "type" ), type = elem.type;
-                       // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
-                       // use getAttribute instead to test this case
-                       return elem.nodeName.toLowerCase() === "input" && "text" === type && ( attr === type || attr === null );
-               },
-
-               radio: function( elem ) {
-                       return elem.nodeName.toLowerCase() === "input" && "radio" === elem.type;
-               },
-
-               checkbox: function( elem ) {
-                       return elem.nodeName.toLowerCase() === "input" && "checkbox" === elem.type;
-               },
-
-               file: function( elem ) {
-                       return elem.nodeName.toLowerCase() === "input" && "file" === elem.type;
-               },
-
-               password: function( elem ) {
-                       return elem.nodeName.toLowerCase() === "input" && "password" === elem.type;
-               },
-
-               submit: function( elem ) {
-                       var name = elem.nodeName.toLowerCase();
-                       return (name === "input" || name === "button") && "submit" === elem.type;
-               },
-
-               image: function( elem ) {
-                       return elem.nodeName.toLowerCase() === "input" && "image" === elem.type;
-               },
-
-               reset: function( elem ) {
-                       var name = elem.nodeName.toLowerCase();
-                       return (name === "input" || name === "button") && "reset" === elem.type;
-               },
-
-               button: function( elem ) {
-                       var name = elem.nodeName.toLowerCase();
-                       return name === "input" && "button" === elem.type || name === "button";
-               },
-
-               input: function( elem ) {
-                       return (/input|select|textarea|button/i).test( elem.nodeName );
-               },
-
-               focus: function( elem ) {
-                       return elem === elem.ownerDocument.activeElement;
-               }
-       },
-       setFilters: {
-               first: function( elem, i ) {
-                       return i === 0;
-               },
-
-               last: function( elem, i, match, array ) {
-                       return i === array.length - 1;
-               },
-
-               even: function( elem, i ) {
-                       return i % 2 === 0;
-               },
-
-               odd: function( elem, i ) {
-                       return i % 2 === 1;
-               },
-
-               lt: function( elem, i, match ) {
-                       return i < match[3] - 0;
-               },
-
-               gt: function( elem, i, match ) {
-                       return i > match[3] - 0;
-               },
-
-               nth: function( elem, i, match ) {
-                       return match[3] - 0 === i;
-               },
-
-               eq: function( elem, i, match ) {
-                       return match[3] - 0 === i;
-               }
-       },
-       filter: {
-               PSEUDO: function( elem, match, i, array ) {
-                       var name = match[1],
-                               filter = Expr.filters[ name ];
-
-                       if ( filter ) {
-                               return filter( elem, i, match, array );
-
-                       } else if ( name === "contains" ) {
-                               return (elem.textContent || elem.innerText || getText([ elem ]) || "").indexOf(match[3]) >= 0;
-
-                       } else if ( name === "not" ) {
-                               var not = match[3];
-
-                               for ( var j = 0, l = not.length; j < l; j++ ) {
-                                       if ( not[j] === elem ) {
-                                               return false;
-                                       }
-                               }
-
-                               return true;
-
-                       } else {
-                               Sizzle.error( name );
-                       }
-               },
-
-               CHILD: function( elem, match ) {
-                       var first, last,
-                               doneName, parent, cache,
-                               count, diff,
-                               type = match[1],
-                               node = elem;
-
-                       switch ( type ) {
-                               case "only":
-                               case "first":
-                                       while ( (node = node.previousSibling) ) {
-                                               if ( node.nodeType === 1 ) {
-                                                       return false;
-                                               }
-                                       }
-
-                                       if ( type === "first" ) {
-                                               return true;
-                                       }
-
-                                       node = elem;
-
-                                       /* falls through */
-                               case "last":
-                                       while ( (node = node.nextSibling) ) {
-                                               if ( node.nodeType === 1 ) {
-                                                       return false;
-                                               }
-                                       }
-
-                                       return true;
-
-                               case "nth":
-                                       first = match[2];
-                                       last = match[3];
-
-                                       if ( first === 1 && last === 0 ) {
-                                               return true;
-                                       }
-
-                                       doneName = match[0];
-                                       parent = elem.parentNode;
-
-                                       if ( parent && (parent[ expando ] !== doneName || !elem.nodeIndex) ) {
-                                               count = 0;
-
-                                               for ( node = parent.firstChild; node; node = node.nextSibling ) {
-                                                       if ( node.nodeType === 1 ) {
-                                                               node.nodeIndex = ++count;
-                                                       }
-                                               }
-
-                                               parent[ expando ] = doneName;
-                                       }
-
-                                       diff = elem.nodeIndex - last;
-
-                                       if ( first === 0 ) {
-                                               return diff === 0;
-
-                                       } else {
-                                               return ( diff % first === 0 && diff / first >= 0 );
-                                       }
-                       }
-               },
-
-               ID: function( elem, match ) {
-                       return elem.nodeType === 1 && elem.getAttribute("id") === match;
-               },
-
-               TAG: function( elem, match ) {
-                       return (match === "*" && elem.nodeType === 1) || !!elem.nodeName && elem.nodeName.toLowerCase() === match;
-               },
-
-               CLASS: function( elem, match ) {
-                       return (" " + (elem.className || elem.getAttribute("class")) + " ")
-                               .indexOf( match ) > -1;
-               },
-
-               ATTR: function( elem, match ) {
-                       var name = match[1],
-                               result = Sizzle.attr ?
-                                       Sizzle.attr( elem, name ) :
-                                       Expr.attrHandle[ name ] ?
-                                       Expr.attrHandle[ name ]( elem ) :
-                                       elem[ name ] != null ?
-                                               elem[ name ] :
-                                               elem.getAttribute( name ),
-                               value = result + "",
-                               type = match[2],
-                               check = match[4];
-
-                       return result == null ?
-                               type === "!=" :
-                               !type && Sizzle.attr ?
-                               result != null :
-                               type === "=" ?
-                               value === check :
-                               type === "*=" ?
-                               value.indexOf(check) >= 0 :
-                               type === "~=" ?
-                               (" " + value + " ").indexOf(check) >= 0 :
-                               !check ?
-                               value && result !== false :
-                               type === "!=" ?
-                               value !== check :
-                               type === "^=" ?
-                               value.indexOf(check) === 0 :
-                               type === "$=" ?
-                               value.substr(value.length - check.length) === check :
-                               type === "|=" ?
-                               value === check || value.substr(0, check.length + 1) === check + "-" :
-                               false;
-               },
-
-               POS: function( elem, match, i, array ) {
-                       var name = match[2],
-                               filter = Expr.setFilters[ name ];
-
-                       if ( filter ) {
-                               return filter( elem, i, match, array );
-                       }
-               }
-       }
-};
-
-var origPOS = Expr.match.POS,
-       fescape = function(all, num){
-               return "\\" + (num - 0 + 1);
-       };
-
-for ( var type in Expr.match ) {
-       Expr.match[ type ] = new RegExp( Expr.match[ type ].source + (/(?![^\[]*\])(?![^\(]*\))/.source) );
-       Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source.replace(/\\(\d+)/g, fescape) );
-}
-// Expose origPOS
-// "global" as in regardless of relation to brackets/parens
-Expr.match.globalPOS = origPOS;
-
-var makeArray = function( array, results ) {
-       array = Array.prototype.slice.call( array, 0 );
-
-       if ( results ) {
-               results.push.apply( results, array );
-               return results;
-       }
-
-       return array;
-};
-
-// Perform a simple check to determine if the browser is capable of
-// converting a NodeList to an array using builtin methods.
-// Also verifies that the returned array holds DOM nodes
-// (which is not the case in the Blackberry browser)
-try {
-       Array.prototype.slice.call( document.documentElement.childNodes, 0 )[0].nodeType;
-
-// Provide a fallback method if it does not work
-} catch( e ) {
-       makeArray = function( array, results ) {
-               var i = 0,
-                       ret = results || [];
-
-               if ( toString.call(array) === "[object Array]" ) {
-                       Array.prototype.push.apply( ret, array );
-
-               } else {
-                       if ( typeof array.length === "number" ) {
-                               for ( var l = array.length; i < l; i++ ) {
-                                       ret.push( array[i] );
-                               }
-
-                       } else {
-                               for ( ; array[i]; i++ ) {
-                                       ret.push( array[i] );
-                               }
-                       }
-               }
-
-               return ret;
-       };
-}
-
-var sortOrder, siblingCheck;
-
-if ( document.documentElement.compareDocumentPosition ) {
-       sortOrder = function( a, b ) {
-               if ( a === b ) {
-                       hasDuplicate = true;
-                       return 0;
-               }
-
-               if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
-                       return a.compareDocumentPosition ? -1 : 1;
-               }
-
-               return a.compareDocumentPosition(b) & 4 ? -1 : 1;
-       };
-
-} else {
-       sortOrder = function( a, b ) {
-               // The nodes are identical, we can exit early
-               if ( a === b ) {
-                       hasDuplicate = true;
-                       return 0;
-
-               // Fallback to using sourceIndex (in IE) if it's available on both nodes
-               } else if ( a.sourceIndex && b.sourceIndex ) {
-                       return a.sourceIndex - b.sourceIndex;
-               }
-
-               var al, bl,
-                       ap = [],
-                       bp = [],
-                       aup = a.parentNode,
-                       bup = b.parentNode,
-                       cur = aup;
-
-               // If the nodes are siblings (or identical) we can do a quick check
-               if ( aup === bup ) {
-                       return siblingCheck( a, b );
-
-               // If no parents were found then the nodes are disconnected
-               } else if ( !aup ) {
-                       return -1;
-
-               } else if ( !bup ) {
-                       return 1;
-               }
-
-               // Otherwise they're somewhere else in the tree so we need
-               // to build up a full list of the parentNodes for comparison
-               while ( cur ) {
-                       ap.unshift( cur );
-                       cur = cur.parentNode;
-               }
-
-               cur = bup;
-
-               while ( cur ) {
-                       bp.unshift( cur );
-                       cur = cur.parentNode;
-               }
-
-               al = ap.length;
-               bl = bp.length;
-
-               // Start walking down the tree looking for a discrepancy
-               for ( var i = 0; i < al && i < bl; i++ ) {
-                       if ( ap[i] !== bp[i] ) {
-                               return siblingCheck( ap[i], bp[i] );
-                       }
-               }
-
-               // We ended someplace up the tree so do a sibling check
-               return i === al ?
-                       siblingCheck( a, bp[i], -1 ) :
-                       siblingCheck( ap[i], b, 1 );
-       };
-
-       siblingCheck = function( a, b, ret ) {
-               if ( a === b ) {
-                       return ret;
-               }
-
-               var cur = a.nextSibling;
-
-               while ( cur ) {
-                       if ( cur === b ) {
-                               return -1;
-                       }
-
-                       cur = cur.nextSibling;
-               }
-
-               return 1;
-       };
-}
-
-// Check to see if the browser returns elements by name when
-// querying by getElementById (and provide a workaround)
-(function(){
-       // We're going to inject a fake input element with a specified name
-       var form = document.createElement("div"),
-               id = "script" + (new Date()).getTime(),
-               root = document.documentElement;
-
-       form.innerHTML = "<a name='" + id + "'/>";
-
-       // Inject it into the root element, check its status, and remove it quickly
-       root.insertBefore( form, root.firstChild );
-
-       // The workaround has to do additional checks after a getElementById
-       // Which slows things down for other browsers (hence the branching)
-       if ( document.getElementById( id ) ) {
-               Expr.find.ID = function( match, context, isXML ) {
-                       if ( typeof context.getElementById !== "undefined" && !isXML ) {
-                               var m = context.getElementById(match[1]);
-
-                               return m ?
-                                       m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ?
-                                               [m] :
-                                               undefined :
-                                       [];
-                       }
-               };
-
-               Expr.filter.ID = function( elem, match ) {
-                       var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
-
-                       return elem.nodeType === 1 && node && node.nodeValue === match;
-               };
-       }
-
-       root.removeChild( form );
-
-       // release memory in IE
-       root = form = null;
-})();
-
-(function(){
-       // Check to see if the browser returns only elements
-       // when doing getElementsByTagName("*")
-
-       // Create a fake element
-       var div = document.createElement("div");
-       div.appendChild( document.createComment("") );
-
-       // Make sure no comments are found
-       if ( div.getElementsByTagName("*").length > 0 ) {
-               Expr.find.TAG = function( match, context ) {
-                       var results = context.getElementsByTagName( match[1] );
-
-                       // Filter out possible comments
-                       if ( match[1] === "*" ) {
-                               var tmp = [];
-
-                               for ( var i = 0; results[i]; i++ ) {
-                                       if ( results[i].nodeType === 1 ) {
-                                               tmp.push( results[i] );
-                                       }
-                               }
-
-                               results = tmp;
-                       }
-
-                       return results;
-               };
-       }
-
-       // Check to see if an attribute returns normalized href attributes
-       div.innerHTML = "<a href='#'></a>";
-
-       if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
-                       div.firstChild.getAttribute("href") !== "#" ) {
-
-               Expr.attrHandle.href = function( elem ) {
-                       return elem.getAttribute( "href", 2 );
-               };
-       }
-
-       // release memory in IE
-       div = null;
-})();
-
-if ( document.querySelectorAll ) {
-       (function(){
-               var oldSizzle = Sizzle,
-                       div = document.createElement("div"),
-                       id = "__sizzle__";
-
-               div.innerHTML = "<p class='TEST'></p>";
-
-               // Safari can't handle uppercase or unicode characters when
-               // in quirks mode.
-               if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
-                       return;
-               }
-
-               Sizzle = function( query, context, extra, seed ) {
-                       context = context || document;
-
-                       // Only use querySelectorAll on non-XML documents
-                       // (ID selectors don't work in non-HTML documents)
-                       if ( !seed && !Sizzle.isXML(context) ) {
-                               // See if we find a selector to speed up
-                               var match = /^(\w+$)|^\.([\w\-]+$)|^#([\w\-]+$)/.exec( query );
-
-                               if ( match && (context.nodeType === 1 || context.nodeType === 9) ) {
-                                       // Speed-up: Sizzle("TAG")
-                                       if ( match[1] ) {
-                                               return makeArray( context.getElementsByTagName( query ), extra );
-
-                                       // Speed-up: Sizzle(".CLASS")
-                                       } else if ( match[2] && Expr.find.CLASS && context.getElementsByClassName ) {
-                                               return makeArray( context.getElementsByClassName( match[2] ), extra );
-                                       }
-                               }
-
-                               if ( context.nodeType === 9 ) {
-                                       // Speed-up: Sizzle("body")
-                                       // The body element only exists once, optimize finding it
-                                       if ( query === "body" && context.body ) {
-                                               return makeArray( [ context.body ], extra );
-
-                                       // Speed-up: Sizzle("#ID")
-                                       } else if ( match && match[3] ) {
-                                               var elem = context.getElementById( match[3] );
-
-                                               // Check parentNode to catch when Blackberry 4.6 returns
-                                               // nodes that are no longer in the document #6963
-                                               if ( elem && elem.parentNode ) {
-                                                       // Handle the case where IE and Opera return items
-                                                       // by name instead of ID
-                                                       if ( elem.id === match[3] ) {
-                                                               return makeArray( [ elem ], extra );
-                                                       }
-
-                                               } else {
-                                                       return makeArray( [], extra );
-                                               }
-                                       }
-
-                                       try {
-                                               return makeArray( context.querySelectorAll(query), extra );
-                                       } catch(qsaError) {}
-
-                               // qSA works strangely on Element-rooted queries
-                               // We can work around this by specifying an extra ID on the root
-                               // and working up from there (Thanks to Andrew Dupont for the technique)
-                               // IE 8 doesn't work on object elements
-                               } else if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
-                                       var oldContext = context,
-                                               old = context.getAttribute( "id" ),
-                                               nid = old || id,
-                                               hasParent = context.parentNode,
-                                               relativeHierarchySelector = /^\s*[+~]/.test( query );
-
-                                       if ( !old ) {
-                                               context.setAttribute( "id", nid );
-                                       } else {
-                                               nid = nid.replace( /'/g, "\\$&" );
-                                       }
-                                       if ( relativeHierarchySelector && hasParent ) {
-                                               context = context.parentNode;
-                                       }
-
-                                       try {
-                                               if ( !relativeHierarchySelector || hasParent ) {
-                                                       return makeArray( context.querySelectorAll( "[id='" + nid + "'] " + query ), extra );
-                                               }
-
-                                       } catch(pseudoError) {
-                                       } finally {
-                                               if ( !old ) {
-                                                       oldContext.removeAttribute( "id" );
-                                               }
-                                       }
-                               }
-                       }
-
-                       return oldSizzle(query, context, extra, seed);
-               };
-
-               for ( var prop in oldSizzle ) {
-                       Sizzle[ prop ] = oldSizzle[ prop ];
-               }
-
-               // release memory in IE
-               div = null;
-       })();
-}
-
-(function(){
-       var html = document.documentElement,
-               matches = html.matchesSelector || html.mozMatchesSelector || html.webkitMatchesSelector || html.msMatchesSelector;
-
-       if ( matches ) {
-               // Check to see if it's possible to do matchesSelector
-               // on a disconnected node (IE 9 fails this)
-               var disconnectedMatch = !matches.call( document.createElement( "div" ), "div" ),
-                       pseudoWorks = false;
-
-               try {
-                       // This should fail with an exception
-                       // Gecko does not error, returns false instead
-                       matches.call( document.documentElement, "[test!='']:sizzle" );
-
-               } catch( pseudoError ) {
-                       pseudoWorks = true;
-               }
-
-               Sizzle.matchesSelector = function( node, expr ) {
-                       // Make sure that attribute selectors are quoted
-                       expr = expr.replace(/\=\s*([^'"\]]*)\s*\]/g, "='$1']");
-
-                       if ( !Sizzle.isXML( node ) ) {
-                               try {
-                                       if ( pseudoWorks || !Expr.match.PSEUDO.test( expr ) && !/!=/.test( expr ) ) {
-                                               var ret = matches.call( node, expr );
-
-                                               // IE 9's matchesSelector returns false on disconnected nodes
-                                               if ( ret || !disconnectedMatch ||
-                                                               // As well, disconnected nodes are said to be in a document
-                                                               // fragment in IE 9, so check for that
-                                                               node.document && node.document.nodeType !== 11 ) {
-                                                       return ret;
-                                               }
-                                       }
-                               } catch(e) {}
-                       }
-
-                       return Sizzle(expr, null, null, [node]).length > 0;
-               };
-       }
-})();
-
-(function(){
-       var div = document.createElement("div");
-
-       div.innerHTML = "<div class='test e'></div><div class='test'></div>";
-
-       // Opera can't find a second classname (in 9.6)
-       // Also, make sure that getElementsByClassName actually exists
-       if ( !div.getElementsByClassName || div.getElementsByClassName("e").length === 0 ) {
-               return;
-       }
-
-       // Safari caches class attributes, doesn't catch changes (in 3.2)
-       div.lastChild.className = "e";
-
-       if ( div.getElementsByClassName("e").length === 1 ) {
-               return;
-       }
-
-       Expr.order.splice(1, 0, "CLASS");
-       Expr.find.CLASS = function( match, context, isXML ) {
-               if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
-                       return context.getElementsByClassName(match[1]);
-               }
-       };
-
-       // release memory in IE
-       div = null;
-})();
-
-function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
-       for ( var i = 0, l = checkSet.length; i < l; i++ ) {
-               var elem = checkSet[i];
-
-               if ( elem ) {
-                       var match = false;
-
-                       elem = elem[dir];
-
-                       while ( elem ) {
-                               if ( elem[ expando ] === doneName ) {
-                                       match = checkSet[elem.sizset];
-                                       break;
-                               }
-
-                               if ( elem.nodeType === 1 && !isXML ){
-                                       elem[ expando ] = doneName;
-                                       elem.sizset = i;
-                               }
-
-                               if ( elem.nodeName.toLowerCase() === cur ) {
-                                       match = elem;
-                                       break;
-                               }
-
-                               elem = elem[dir];
-                       }
-
-                       checkSet[i] = match;
-               }
-       }
-}
-
-function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
-       for ( var i = 0, l = checkSet.length; i < l; i++ ) {
-               var elem = checkSet[i];
-
-               if ( elem ) {
-                       var match = false;
-
-                       elem = elem[dir];
-
-                       while ( elem ) {
-                               if ( elem[ expando ] === doneName ) {
-                                       match = checkSet[elem.sizset];
-                                       break;
-                               }
-
-                               if ( elem.nodeType === 1 ) {
-                                       if ( !isXML ) {
-                                               elem[ expando ] = doneName;
-                                               elem.sizset = i;
-                                       }
-
-                                       if ( typeof cur !== "string" ) {
-                                               if ( elem === cur ) {
-                                                       match = true;
-                                                       break;
-                                               }
-
-                                       } else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
-                                               match = elem;
-                                               break;
-                                       }
-                               }
-
-                               elem = elem[dir];
-                       }
-
-                       checkSet[i] = match;
-               }
-       }
-}
-
-if ( document.documentElement.contains ) {
-       Sizzle.contains = function( a, b ) {
-               return a !== b && (a.contains ? a.contains(b) : true);
-       };
-
-} else if ( document.documentElement.compareDocumentPosition ) {
-       Sizzle.contains = function( a, b ) {
-               return !!(a.compareDocumentPosition(b) & 16);
-       };
-
-} else {
-       Sizzle.contains = function() {
-               return false;
-       };
-}
-
-Sizzle.isXML = function( elem ) {
-       // documentElement is verified for cases where it doesn't yet exist
-       // (such as loading iframes in IE - #4833)
-       var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement;
-
-       return documentElement ? documentElement.nodeName !== "HTML" : false;
-};
-
-var posProcess = function( selector, context, seed ) {
-       var match,
-               tmpSet = [],
-               later = "",
-               root = context.nodeType ? [context] : context;
-
-       // Position selectors must be done after the filter
-       // And so must :not(positional) so we move all PSEUDOs to the end
-       while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
-               later += match[0];
-               selector = selector.replace( Expr.match.PSEUDO, "" );
-       }
-
-       selector = Expr.relative[selector] ? selector + "*" : selector;
-
-       for ( var i = 0, l = root.length; i < l; i++ ) {
-               Sizzle( selector, root[i], tmpSet, seed );
-       }
-
-       return Sizzle.filter( later, tmpSet );
-};
-
-// EXPOSE
-// Override sizzle attribute retrieval
-Sizzle.attr = jQuery.attr;
-Sizzle.selectors.attrMap = {};
-jQuery.find = Sizzle;
-jQuery.expr = Sizzle.selectors;
-jQuery.expr[":"] = jQuery.expr.filters;
-jQuery.unique = Sizzle.uniqueSort;
-jQuery.text = Sizzle.getText;
-jQuery.isXMLDoc = Sizzle.isXML;
-jQuery.contains = Sizzle.contains;
-
-
-})();
-
-
-var runtil = /Until$/,
-       rparentsprev = /^(?:parents|prevUntil|prevAll)/,
-       // Note: This RegExp should be improved, or likely pulled from Sizzle
-       rmultiselector = /,/,
-       isSimple = /^.[^:#\[\.,]*$/,
-       slice = Array.prototype.slice,
-       POS = jQuery.expr.match.globalPOS,
-       // methods guaranteed to produce a unique set when starting from a unique set
-       guaranteedUnique = {
-               children: true,
-               contents: true,
-               next: true,
-               prev: true
-       };
-
-jQuery.fn.extend({
-       find: function( selector ) {
-               var self = this,
-                       i, l;
-
-               if ( typeof selector !== "string" ) {
-                       return jQuery( selector ).filter(function() {
-                               for ( i = 0, l = self.length; i < l; i++ ) {
-                                       if ( jQuery.contains( self[ i ], this ) ) {
-                                               return true;
-                                       }
-                               }
-                       });
-               }
-
-               var ret = this.pushStack( "", "find", selector ),
-                       length, n, r;
-
-               for ( i = 0, l = this.length; i < l; i++ ) {
-                       length = ret.length;
-                       jQuery.find( selector, this[i], ret );
-
-                       if ( i > 0 ) {
-                               // Make sure that the results are unique
-                               for ( n = length; n < ret.length; n++ ) {
-                                       for ( r = 0; r < length; r++ ) {
-                                               if ( ret[r] === ret[n] ) {
-                                                       ret.splice(n--, 1);
-                                                       break;
-                                               }
-                                       }
-                               }
-                       }
-               }
-
-               return ret;
-       },
-
-       has: function( target ) {
-               var targets = jQuery( target );
-               return this.filter(function() {
-                       for ( var i = 0, l = targets.length; i < l; i++ ) {
-                               if ( jQuery.contains( this, targets[i] ) ) {
-                                       return true;
-                               }
-                       }
-               });
-       },
-
-       not: function( selector ) {
-               return this.pushStack( winnow(this, selector, false), "not", selector);
-       },
-
-       filter: function( selector ) {
-               return this.pushStack( winnow(this, selector, true), "filter", selector );
-       },
-
-       is: function( selector ) {
-               return !!selector && (
-                       typeof selector === "string" ?
-                               // If this is a positional selector, check membership in the returned set
-                               // so $("p:first").is("p:last") won't return true for a doc with two "p".
-                               POS.test( selector ) ?
-                                       jQuery( selector, this.context ).index( this[0] ) >= 0 :
-                                       jQuery.filter( selector, this ).length > 0 :
-                               this.filter( selector ).length > 0 );
-       },
-
-       closest: function( selectors, context ) {
-               var ret = [], i, l, cur = this[0];
-
-               // Array (deprecated as of jQuery 1.7)
-               if ( jQuery.isArray( selectors ) ) {
-                       var level = 1;
-
-                       while ( cur && cur.ownerDocument && cur !== context ) {
-                               for ( i = 0; i < selectors.length; i++ ) {
-
-                                       if ( jQuery( cur ).is( selectors[ i ] ) ) {
-                                               ret.push({ selector: selectors[ i ], elem: cur, level: level });
-                                       }
-                               }
-
-                               cur = cur.parentNode;
-                               level++;
-                       }
-
-                       return ret;
-               }
-
-               // String
-               var pos = POS.test( selectors ) || typeof selectors !== "string" ?
-                               jQuery( selectors, context || this.context ) :
-                               0;
-
-               for ( i = 0, l = this.length; i < l; i++ ) {
-                       cur = this[i];
-
-                       while ( cur ) {
-                               if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
-                                       ret.push( cur );
-                                       break;
-
-                               } else {
-                                       cur = cur.parentNode;
-                                       if ( !cur || !cur.ownerDocument || cur === context || cur.nodeType === 11 ) {
-                                               break;
-                                       }
-                               }
-                       }
-               }
-
-               ret = ret.length > 1 ? jQuery.unique( ret ) : ret;
-
-               return this.pushStack( ret, "closest", selectors );
-       },
-
-       // Determine the position of an element within
-       // the matched set of elements
-       index: function( elem ) {
-
-               // No argument, return index in parent
-               if ( !elem ) {
-                       return ( this[0] && this[0].parentNode ) ? this.prevAll().length : -1;
-               }
-
-               // index in selector
-               if ( typeof elem === "string" ) {
-                       return jQuery.inArray( this[0], jQuery( elem ) );
+               // index in selector
+               if ( typeof elem === "string" ) {
+                       return jQuery.inArray( this[0], jQuery( elem ) );
                }
 
                // Locate the position of the desired element
@@ -5556,17 +5276,29 @@ jQuery.fn.extend({
                        jQuery.unique( all ) );
        },
 
-       andSelf: function() {
-               return this.add( this.prevObject );
+       addBack: function( selector ) {
+               return this.add( selector == null ?
+                       this.prevObject : this.prevObject.filter(selector)
+               );
        }
 });
 
+jQuery.fn.andSelf = jQuery.fn.addBack;
+
 // A painfully simple check to see if an element is disconnected
 // from a document (should be improved, where feasible).
 function isDisconnected( node ) {
        return !node || !node.parentNode || node.parentNode.nodeType === 11;
 }
 
+function sibling( cur, dir ) {
+       do {
+               cur = cur[ dir ];
+       } while ( cur && cur.nodeType !== 1 );
+
+       return cur;
+}
+
 jQuery.each({
        parent: function( elem ) {
                var parent = elem.parentNode;
@@ -5579,10 +5311,10 @@ jQuery.each({
                return jQuery.dir( elem, "parentNode", until );
        },
        next: function( elem ) {
-               return jQuery.nth( elem, 2, "nextSibling" );
+               return sibling( elem, "nextSibling" );
        },
        prev: function( elem ) {
-               return jQuery.nth( elem, 2, "previousSibling" );
+               return sibling( elem, "previousSibling" );
        },
        nextAll: function( elem ) {
                return jQuery.dir( elem, "nextSibling" );
@@ -5605,7 +5337,7 @@ jQuery.each({
        contents: function( elem ) {
                return jQuery.nodeName( elem, "iframe" ) ?
                        elem.contentDocument || elem.contentWindow.document :
-                       jQuery.makeArray( elem.childNodes );
+                       jQuery.merge( [], elem.childNodes );
        }
 }, function( name, fn ) {
        jQuery.fn[ name ] = function( until, selector ) {
@@ -5621,11 +5353,11 @@ jQuery.each({
 
                ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
 
-               if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
+               if ( this.length > 1 && rparentsprev.test( name ) ) {
                        ret = ret.reverse();
                }
 
-               return this.pushStack( ret, name, slice.call( arguments ).join(",") );
+               return this.pushStack( ret, name, core_slice.call( arguments ).join(",") );
        };
 });
 
@@ -5653,19 +5385,6 @@ jQuery.extend({
                return matched;
        },
 
-       nth: function( cur, result, dir, elem ) {
-               result = result || 1;
-               var num = 0;
-
-               for ( ; cur; cur = cur[dir] ) {
-                       if ( cur.nodeType === 1 && ++num === result ) {
-                               break;
-                       }
-               }
-
-               return cur;
-       },
-
        sibling: function( n, elem ) {
                var r = [];
 
@@ -5713,10 +5432,6 @@ function winnow( elements, qualifier, keep ) {
                return ( jQuery.inArray( elem, qualifier ) >= 0 ) === keep;
        });
 }
-
-
-
-
 function createSafeFragment( document ) {
        var list = nodeNames.split( "|" ),
        safeFrag = document.createDocumentFragment();
@@ -5733,19 +5448,20 @@ function createSafeFragment( document ) {
 
 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
                "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
-       rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
+       rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
        rleadingWhitespace = /^\s+/,
-       rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
+       rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
        rtagName = /<([\w:]+)/,
        rtbody = /<tbody/i,
        rhtml = /<|&#?\w+;/,
-       rnoInnerhtml = /<(?:script|style)/i,
+       rnoInnerhtml = /<(?:script|style|link)/i,
        rnocache = /<(?:script|object|embed|option|style)/i,
        rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
+       rcheckableType = /^(?:checkbox|radio)$/,
        // checked="checked" or checked
        rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
        rscriptType = /\/(java|ecma)script/i,
-       rcleanScript = /^\s*<!(?:\[CDATA\[|\-\-)/,
+       rcleanScript = /^\s*<!(?:\[CDATA\[|\-\-)|[\]\-]{2}>\s*$/g,
        wrapMap = {
                option: [ 1, "<select multiple='multiple'>", "</select>" ],
                legend: [ 1, "<fieldset>", "</fieldset>" ],
@@ -5756,15 +5472,17 @@ var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figca
                area: [ 1, "<map>", "</map>" ],
                _default: [ 0, "", "" ]
        },
-       safeFragment = createSafeFragment( document );
+       safeFragment = createSafeFragment( document ),
+       fragmentDiv = safeFragment.appendChild( document.createElement("div") );
 
 wrapMap.optgroup = wrapMap.option;
 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
 wrapMap.th = wrapMap.td;
 
-// IE can't serialize <link> and <script> tags normally
+// IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
+// unless wrapped in a div with non-breaking characters in front of it.
 if ( !jQuery.support.htmlSerialize ) {
-       wrapMap._default = [ 1, "div<div>", "</div>" ];
+       wrapMap._default = [ 1, "X<div>", "</div>" ];
 }
 
 jQuery.fn.extend({
@@ -5843,7 +5561,7 @@ jQuery.fn.extend({
 
        append: function() {
                return this.domManip(arguments, true, function( elem ) {
-                       if ( this.nodeType === 1 ) {
+                       if ( this.nodeType === 1 || this.nodeType === 11 ) {
                                this.appendChild( elem );
                        }
                });
@@ -5851,39 +5569,44 @@ jQuery.fn.extend({
 
        prepend: function() {
                return this.domManip(arguments, true, function( elem ) {
-                       if ( this.nodeType === 1 ) {
+                       if ( this.nodeType === 1 || this.nodeType === 11 ) {
                                this.insertBefore( elem, this.firstChild );
                        }
                });
        },
 
        before: function() {
-               if ( this[0] && this[0].parentNode ) {
+               if ( !isDisconnected( this[0] ) ) {
                        return this.domManip(arguments, false, function( elem ) {
                                this.parentNode.insertBefore( elem, this );
                        });
-               } else if ( arguments.length ) {
+               }
+
+               if ( arguments.length ) {
                        var set = jQuery.clean( arguments );
-                       set.push.apply( set, this.toArray() );
-                       return this.pushStack( set, "before", arguments );
+                       return this.pushStack( jQuery.merge( set, this ), "before", this.selector );
                }
        },
 
        after: function() {
-               if ( this[0] && this[0].parentNode ) {
+               if ( !isDisconnected( this[0] ) ) {
                        return this.domManip(arguments, false, function( elem ) {
                                this.parentNode.insertBefore( elem, this.nextSibling );
                        });
-               } else if ( arguments.length ) {
-                       var set = this.pushStack( this, "after", arguments );
-                       set.push.apply( set, jQuery.clean(arguments) );
-                       return set;
+               }
+
+               if ( arguments.length ) {
+                       var set = jQuery.clean( arguments );
+                       return this.pushStack( jQuery.merge( this, set ), "after", this.selector );
                }
        },
 
        // keepData is for internal use only--do not document
        remove: function( selector, keepData ) {
-               for ( var i = 0, elem; (elem = this[i]) != null; i++ ) {
+               var elem,
+                       i = 0;
+
+               for ( ; (elem = this[i]) != null; i++ ) {
                        if ( !selector || jQuery.filter( selector, [ elem ] ).length ) {
                                if ( !keepData && elem.nodeType === 1 ) {
                                        jQuery.cleanData( elem.getElementsByTagName("*") );
@@ -5900,7 +5623,10 @@ jQuery.fn.extend({
        },
 
        empty: function() {
-               for ( var i = 0, elem; (elem = this[i]) != null; i++ ) {
+               var elem,
+                       i = 0;
+
+               for ( ; (elem = this[i]) != null; i++ ) {
                        // Remove element nodes and prevent memory leaks
                        if ( elem.nodeType === 1 ) {
                                jQuery.cleanData( elem.getElementsByTagName("*") );
@@ -5933,11 +5659,12 @@ jQuery.fn.extend({
                        if ( value === undefined ) {
                                return elem.nodeType === 1 ?
                                        elem.innerHTML.replace( rinlinejQuery, "" ) :
-                                       null;
+                                       undefined;
                        }
 
-
+                       // See if we can take a shortcut and just use innerHTML
                        if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
+                               ( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
                                ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
                                !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
 
@@ -5966,7 +5693,7 @@ jQuery.fn.extend({
        },
 
        replaceWith: function( value ) {
-               if ( this[0] && this[0].parentNode ) {
+               if ( !isDisconnected( this[0] ) ) {
                        // Make sure that the elements are removed from the DOM before they are inserted
                        // this can help fix replacing a parent with child elements
                        if ( jQuery.isFunction( value ) ) {
@@ -5992,11 +5719,11 @@ jQuery.fn.extend({
                                        jQuery(parent).append( value );
                                }
                        });
-               } else {
-                       return this.length ?
-                               this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value ) :
-                               this;
                }
+
+               return this.length ?
+                       this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value ) :
+                       this;
        },
 
        detach: function( selector ) {
@@ -6004,78 +5731,78 @@ jQuery.fn.extend({
        },
 
        domManip: function( args, table, callback ) {
-               var results, first, fragment, parent,
+
+               // Flatten any nested arrays
+               args = [].concat.apply( [], args );
+
+               var results, first, fragment, iNoClone,
+                       i = 0,
                        value = args[0],
-                       scripts = [];
+                       scripts = [],
+                       l = this.length;
 
                // We can't cloneNode fragments that contain checked, in WebKit
-               if ( !jQuery.support.checkClone && arguments.length === 3 && typeof value === "string" && rchecked.test( value ) ) {
+               if ( !jQuery.support.checkClone && l > 1 && typeof value === "string" && rchecked.test( value ) ) {
                        return this.each(function() {
-                               jQuery(this).domManip( args, table, callback, true );
+                               jQuery(this).domManip( args, table, callback );
                        });
                }
 
                if ( jQuery.isFunction(value) ) {
                        return this.each(function(i) {
                                var self = jQuery(this);
-                               args[0] = value.call(this, i, table ? self.html() : undefined);
+                               args[0] = value.call( this, i, table ? self.html() : undefined );
                                self.domManip( args, table, callback );
                        });
                }
 
                if ( this[0] ) {
-                       parent = value && value.parentNode;
-
-                       // If we're in a fragment, just use that instead of building a new one
-                       if ( jQuery.support.parentNode && parent && parent.nodeType === 11 && parent.childNodes.length === this.length ) {
-                               results = { fragment: parent };
-
-                       } else {
-                               results = jQuery.buildFragment( args, this, scripts );
-                       }
-
+                       results = jQuery.buildFragment( args, this, scripts );
                        fragment = results.fragment;
+                       first = fragment.firstChild;
 
                        if ( fragment.childNodes.length === 1 ) {
-                               first = fragment = fragment.firstChild;
-                       } else {
-                               first = fragment.firstChild;
+                               fragment = first;
                        }
 
                        if ( first ) {
                                table = table && jQuery.nodeName( first, "tr" );
 
-                               for ( var i = 0, l = this.length, lastIndex = l - 1; i < l; i++ ) {
+                               // Use the original fragment for the last item instead of the first because it can end up
+                               // being emptied incorrectly in certain situations (#8070).
+                               // Fragments from the fragment cache must always be cloned and never used in place.
+                               for ( iNoClone = results.cacheable || l - 1; i < l; i++ ) {
                                        callback.call(
-                                               table ?
-                                                       root(this[i], first) :
+                                               table && jQuery.nodeName( this[i], "table" ) ?
+                                                       findOrAppend( this[i], "tbody" ) :
                                                        this[i],
-                                               // Make sure that we do not leak memory by inadvertently discarding
-                                               // the original fragment (which might have attached data) instead of
-                                               // using it; in addition, use the original fragment object for the last
-                                               // item instead of first because it can end up being emptied incorrectly
-                                               // in certain situations (Bug #8070).
-                                               // Fragments from the fragment cache must always be cloned and never used
-                                               // in place.
-                                               results.cacheable || ( l > 1 && i < lastIndex ) ?
-                                                       jQuery.clone( fragment, true, true ) :
-                                                       fragment
+                                               i === iNoClone ?
+                                                       fragment :
+                                                       jQuery.clone( fragment, true, true )
                                        );
                                }
                        }
 
+                       // Fix #11809: Avoid leaking memory
+                       fragment = first = null;
+
                        if ( scripts.length ) {
                                jQuery.each( scripts, function( i, elem ) {
                                        if ( elem.src ) {
-                                               jQuery.ajax({
-                                                       type: "GET",
-                                                       global: false,
-                                                       url: elem.src,
-                                                       async: false,
-                                                       dataType: "script"
-                                               });
+                                               if ( jQuery.ajax ) {
+                                                       jQuery.ajax({
+                                                               url: elem.src,
+                                                               type: "GET",
+                                                               dataType: "script",
+                                                               async: false,
+                                                               global: false,
+                                                               "throws": true
+                                                       });
+                                               } else {
+                                                       jQuery.error("no ajax");
+                                               }
                                        } else {
-                                               jQuery.globalEval( ( elem.text || elem.textContent || elem.innerHTML || "" ).replace( rcleanScript, "/*$0*/" ) );
+                                               jQuery.globalEval( ( elem.text || elem.textContent || elem.innerHTML || "" ).replace( rcleanScript, "" ) );
                                        }
 
                                        if ( elem.parentNode ) {
@@ -6089,11 +5816,8 @@ jQuery.fn.extend({
        }
 });
 
-function root( elem, cur ) {
-       return jQuery.nodeName(elem, "table") ?
-               (elem.getElementsByTagName("tbody")[0] ||
-               elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
-               elem;
+function findOrAppend( elem, tag ) {
+       return elem.getElementsByTagName( tag )[0] || elem.appendChild( elem.ownerDocument.createElement( tag ) );
 }
 
 function cloneCopyEvent( src, dest ) {
@@ -6146,19 +5870,27 @@ function cloneFixAttributes( src, dest ) {
 
        nodeName = dest.nodeName.toLowerCase();
 
-       // IE6-8 fail to clone children inside object elements that use
-       // the proprietary classid attribute value (rather than the type
-       // attribute) to identify the type of content to display
        if ( nodeName === "object" ) {
-               dest.outerHTML = src.outerHTML;
+               // IE6-10 improperly clones children of object elements using classid.
+               // IE10 throws NoModificationAllowedError if parent is null, #12132.
+               if ( dest.parentNode ) {
+                       dest.outerHTML = src.outerHTML;
+               }
+
+               // This path appears unavoidable for IE9. When cloning an object
+               // element in IE9, the outerHTML strategy above is not sufficient.
+               // If the src has innerHTML and the destination does not,
+               // copy the src.innerHTML into the dest.innerHTML. #10324
+               if ( jQuery.support.html5Clone && (src.innerHTML && !jQuery.trim(dest.innerHTML)) ) {
+                       dest.innerHTML = src.innerHTML;
+               }
 
-       } else if ( nodeName === "input" && (src.type === "checkbox" || src.type === "radio") ) {
+       } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
                // IE6-8 fails to persist the checked state of a cloned checkbox
                // or radio button. Worse, IE6-7 fail to give the cloned element
                // a checked appearance if the defaultChecked value isn't also set
-               if ( src.checked ) {
-                       dest.defaultChecked = dest.checked = src.checked;
-               }
+
+               dest.defaultChecked = dest.checked = src.checked;
 
                // IE6-7 get confused and end up setting the value of a cloned
                // checkbox/radio button to an empty string instead of "on"
@@ -6184,29 +5916,21 @@ function cloneFixAttributes( src, dest ) {
        // Event data gets referenced instead of copied if the expando
        // gets copied too
        dest.removeAttribute( jQuery.expando );
-
-       // Clear flags for bubbling special change/submit events, they must
-       // be reattached when the newly cloned events are first activated
-       dest.removeAttribute( "_submit_attached" );
-       dest.removeAttribute( "_change_attached" );
 }
 
-jQuery.buildFragment = function( args, nodes, scripts ) {
-       var fragment, cacheable, cacheresults, doc,
-       first = args[ 0 ];
+jQuery.buildFragment = function( args, context, scripts ) {
+       var fragment, cacheable, cachehit,
+               first = args[ 0 ];
 
-       // nodes may contain either an explicit document object,
-       // a jQuery collection or context object.
-       // If nodes[0] contains a valid object to assign to doc
-       if ( nodes && nodes[0] ) {
-               doc = nodes[0].ownerDocument || nodes[0];
-       }
+       // Set context from what may come in as undefined or a jQuery collection or a node
+       context = context || document;
+       context = (context[0] || context).ownerDocument || context[0] || context;
 
        // Ensure that an attr object doesn't incorrectly stand in as a document object
        // Chrome and Firefox seem to allow this to occur and will throw exception
        // Fixes #8950
-       if ( !doc.createDocumentFragment ) {
-               doc = document;
+       if ( typeof context.createDocumentFragment === "undefined" ) {
+               context = document;
        }
 
        // Only cache "small" (1/2 KB) HTML strings that are associated with the main document
@@ -6214,26 +5938,26 @@ jQuery.buildFragment = function( args, nodes, scripts ) {
        // IE 6 doesn't like it when you put <object> or <embed> elements in a fragment
        // Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache
        // Lastly, IE6,7,8 will not correctly reuse cached fragments that were created from unknown elems #10501
-       if ( args.length === 1 && typeof first === "string" && first.length < 512 && doc === document &&
+       if ( args.length === 1 && typeof first === "string" && first.length < 512 && context === document &&
                first.charAt(0) === "<" && !rnocache.test( first ) &&
                (jQuery.support.checkClone || !rchecked.test( first )) &&
                (jQuery.support.html5Clone || !rnoshimcache.test( first )) ) {
 
+               // Mark cacheable and look for a hit
                cacheable = true;
-
-               cacheresults = jQuery.fragments[ first ];
-               if ( cacheresults && cacheresults !== 1 ) {
-                       fragment = cacheresults;
-               }
+               fragment = jQuery.fragments[ first ];
+               cachehit = fragment !== undefined;
        }
 
        if ( !fragment ) {
-               fragment = doc.createDocumentFragment();
-               jQuery.clean( args, doc, fragment, scripts );
-       }
+               fragment = context.createDocumentFragment();
+               jQuery.clean( args, context, fragment, scripts );
 
-       if ( cacheable ) {
-               jQuery.fragments[ first ] = cacheresults ? fragment : 1;
+               // Update the cache, but only store false
+               // unless this is a second parsing of the same content
+               if ( cacheable ) {
+                       jQuery.fragments[ first ] = cachehit && fragment;
+               }
        }
 
        return { fragment: fragment, cacheable: cacheable };
@@ -6249,17 +5973,19 @@ jQuery.each({
        replaceAll: "replaceWith"
 }, function( name, original ) {
        jQuery.fn[ name ] = function( selector ) {
-               var ret = [],
+               var elems,
+                       i = 0,
+                       ret = [],
                        insert = jQuery( selector ),
+                       l = insert.length,
                        parent = this.length === 1 && this[0].parentNode;
 
-               if ( parent && parent.nodeType === 11 && parent.childNodes.length === 1 && insert.length === 1 ) {
+               if ( (parent == null || parent && parent.nodeType === 11 && parent.childNodes.length === 1) && l === 1 ) {
                        insert[ original ]( this[0] );
                        return this;
-
                } else {
-                       for ( var i = 0, l = insert.length; i < l; i++ ) {
-                               var elems = ( i > 0 ? this.clone(true) : this ).get();
+                       for ( ; i < l; i++ ) {
+                               elems = ( i > 0 ? this.clone(true) : this ).get();
                                jQuery( insert[i] )[ original ]( elems );
                                ret = ret.concat( elems );
                        }
@@ -6283,39 +6009,26 @@ function getAll( elem ) {
 
 // Used in clean, fixes the defaultChecked property
 function fixDefaultChecked( elem ) {
-       if ( elem.type === "checkbox" || elem.type === "radio" ) {
+       if ( rcheckableType.test( elem.type ) ) {
                elem.defaultChecked = elem.checked;
        }
 }
-// Finds all inputs and passes them to fixDefaultChecked
-function findInputs( elem ) {
-       var nodeName = ( elem.nodeName || "" ).toLowerCase();
-       if ( nodeName === "input" ) {
-               fixDefaultChecked( elem );
-       // Skip scripts, get other children
-       } else if ( nodeName !== "script" && typeof elem.getElementsByTagName !== "undefined" ) {
-               jQuery.grep( elem.getElementsByTagName("input"), fixDefaultChecked );
-       }
-}
-
-// Derived From: http://www.iecss.com/shimprove/javascript/shimprove.1-0-1.js
-function shimCloneNode( elem ) {
-       var div = document.createElement( "div" );
-       safeFragment.appendChild( div );
-
-       div.innerHTML = elem.outerHTML;
-       return div.firstChild;
-}
 
 jQuery.extend({
        clone: function( elem, dataAndEvents, deepDataAndEvents ) {
                var srcElements,
                        destElements,
                        i,
-                       // IE<=8 does not properly clone detached, unknown element nodes
-                       clone = jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ?
-                               elem.cloneNode( true ) :
-                               shimCloneNode( elem );
+                       clone;
+
+               if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
+                       clone = elem.cloneNode( true );
+
+               // IE<=8 does not properly clone detached, unknown element nodes
+               } else {
+                       fragmentDiv.innerHTML = elem.outerHTML;
+                       fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
+               }
 
                if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
                                (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
@@ -6363,17 +6076,17 @@ jQuery.extend({
        },
 
        clean: function( elems, context, fragment, scripts ) {
-               var checkScriptType, script, j,
-                               ret = [];
-
-               context = context || document;
+               var j, safe, elem, tag, wrap, depth, div, hasBody, tbody, len, handleScript, jsTags,
+                       i = 0,
+                       ret = [];
 
-               // !context.createElement fails in IE with an error but returns typeof 'object'
-               if ( typeof context.createElement === "undefined" ) {
-                       context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
+               // Ensure that context is a document
+               if ( !context || typeof context.createDocumentFragment === "undefined" ) {
+                       context = document;
                }
 
-               for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
+               // Use the already-created safe fragment if context permits
+               for ( safe = context === document && safeFragment; (elem = elems[i]) != null; i++ ) {
                        if ( typeof elem === "number" ) {
                                elem += "";
                        }
@@ -6387,27 +6100,17 @@ jQuery.extend({
                                if ( !rhtml.test( elem ) ) {
                                        elem = context.createTextNode( elem );
                                } else {
+                                       // Ensure a safe container in which to render the html
+                                       safe = safe || createSafeFragment( context );
+                                       div = div || safe.appendChild( context.createElement("div") );
+
                                        // Fix "XHTML"-style tags in all browsers
                                        elem = elem.replace(rxhtmlTag, "<$1></$2>");
 
-                                       // Trim whitespace, otherwise indexOf won't work as expected
-                                       var tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase(),
-                                               wrap = wrapMap[ tag ] || wrapMap._default,
-                                               depth = wrap[0],
-                                               div = context.createElement("div"),
-                                               safeChildNodes = safeFragment.childNodes,
-                                               remove;
-
-                                       // Append wrapper element to unknown element safe doc fragment
-                                       if ( context === document ) {
-                                               // Use the fragment we've already created for this document
-                                               safeFragment.appendChild( div );
-                                       } else {
-                                               // Use a fragment created with the owner document
-                                               createSafeFragment( context ).appendChild( div );
-                                       }
-
                                        // Go to html and back, then peel off extra wrappers
+                                       tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
+                                       wrap = wrapMap[ tag ] || wrapMap._default;
+                                       depth = wrap[0];
                                        div.innerHTML = wrap[1] + elem + wrap[2];
 
                                        // Move to the right depth
@@ -6419,7 +6122,7 @@ jQuery.extend({
                                        if ( !jQuery.support.tbody ) {
 
                                                // String was a <table>, *may* have spurious <tbody>
-                                               var hasBody = rtbody.test(elem),
+                                               hasBody = rtbody.test(elem);
                                                        tbody = tag === "table" && !hasBody ?
                                                                div.firstChild && div.firstChild.childNodes :
 
@@ -6442,33 +6145,8 @@ jQuery.extend({
 
                                        elem = div.childNodes;
 
-                                       // Clear elements from DocumentFragment (safeFragment or otherwise)
-                                       // to avoid hoarding elements. Fixes #11356
-                                       if ( div ) {
-                                               div.parentNode.removeChild( div );
-
-                                               // Guard against -1 index exceptions in FF3.6
-                                               if ( safeChildNodes.length > 0 ) {
-                                                       remove = safeChildNodes[ safeChildNodes.length - 1 ];
-
-                                                       if ( remove && remove.parentNode ) {
-                                                               remove.parentNode.removeChild( remove );
-                                                       }
-                                               }
-                                       }
-                               }
-                       }
-
-                       // Resets defaultChecked for any radios and checkboxes
-                       // about to be appended to the DOM in IE 6/7 (#8060)
-                       var len;
-                       if ( !jQuery.support.appendChecked ) {
-                               if ( elem[0] && typeof (len = elem.length) === "number" ) {
-                                       for ( j = 0; j < len; j++ ) {
-                                               findInputs( elem[j] );
-                                       }
-                               } else {
-                                       findInputs( elem );
+                                       // Remember the top-level container for proper cleanup
+                                       div = safe.lastChild;
                                }
                        }
 
@@ -6479,22 +6157,51 @@ jQuery.extend({
                        }
                }
 
+               // Fix #11356: Clear elements from safeFragment
+               if ( div ) {
+                       safe.removeChild( div );
+                       elem = div = safe = null;
+               }
+
+               // Reset defaultChecked for any radios and checkboxes
+               // about to be appended to the DOM in IE 6/7 (#8060)
+               if ( !jQuery.support.appendChecked ) {
+                       for ( i = 0; (elem = ret[i]) != null; i++ ) {
+                               if ( jQuery.nodeName( elem, "input" ) ) {
+                                       fixDefaultChecked( elem );
+                               } else if ( typeof elem.getElementsByTagName !== "undefined" ) {
+                                       jQuery.grep( elem.getElementsByTagName("input"), fixDefaultChecked );
+                               }
+                       }
+               }
+
+               // Append elements to a provided document fragment
                if ( fragment ) {
-                       checkScriptType = function( elem ) {
-                               return !elem.type || rscriptType.test( elem.type );
+                       // Special handling of each script element
+                       handleScript = function( elem ) {
+                               // Check if we consider it executable
+                               if ( !elem.type || rscriptType.test( elem.type ) ) {
+                                       // Detach the script and store it in the scripts array (if provided) or the fragment
+                                       // Return truthy to indicate that it has been handled
+                                       return scripts ?
+                                               scripts.push( elem.parentNode ? elem.parentNode.removeChild( elem ) : elem ) :
+                                               fragment.appendChild( elem );
+                               }
                        };
-                       for ( i = 0; ret[i]; i++ ) {
-                               script = ret[i];
-                               if ( scripts && jQuery.nodeName( script, "script" ) && (!script.type || rscriptType.test( script.type )) ) {
-                                       scripts.push( script.parentNode ? script.parentNode.removeChild( script ) : script );
 
-                               } else {
-                                       if ( script.nodeType === 1 ) {
-                                               var jsTags = jQuery.grep( script.getElementsByTagName( "script" ), checkScriptType );
+                       for ( i = 0; (elem = ret[i]) != null; i++ ) {
+                               // Check if we're done after handling an executable script
+                               if ( !( jQuery.nodeName( elem, "script" ) && handleScript( elem ) ) ) {
+                                       // Append to fragment and handle embedded scripts
+                                       fragment.appendChild( elem );
+                                       if ( typeof elem.getElementsByTagName !== "undefined" ) {
+                                               // handleScript alters the DOM, so use jQuery.merge to ensure snapshot iteration
+                                               jsTags = jQuery.grep( jQuery.merge( [], elem.getElementsByTagName("script") ), handleScript );
 
+                                               // Splice the scripts into ret after their former ancestor and advance our index beyond them
                                                ret.splice.apply( ret, [i + 1, 0].concat( jsTags ) );
+                                               i += jsTags.length;
                                        }
-                                       fragment.appendChild( script );
                                }
                        }
                }
@@ -6502,81 +6209,250 @@ jQuery.extend({
                return ret;
        },
 
-       cleanData: function( elems ) {
-               var data, id,
+       cleanData: function( elems, /* internal */ acceptData ) {
+               var data, id, elem, type,
+                       i = 0,
+                       internalKey = jQuery.expando,
                        cache = jQuery.cache,
-                       special = jQuery.event.special,
-                       deleteExpando = jQuery.support.deleteExpando;
+                       deleteExpando = jQuery.support.deleteExpando,
+                       special = jQuery.event.special;
 
-               for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
-                       if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) {
-                               continue;
-                       }
+               for ( ; (elem = elems[i]) != null; i++ ) {
 
-                       id = elem[ jQuery.expando ];
+                       if ( acceptData || jQuery.acceptData( elem ) ) {
 
-                       if ( id ) {
-                               data = cache[ id ];
+                               id = elem[ internalKey ];
+                               data = id && cache[ id ];
 
-                               if ( data && data.events ) {
-                                       for ( var type in data.events ) {
-                                               if ( special[ type ] ) {
-                                                       jQuery.event.remove( elem, type );
+                               if ( data ) {
+                                       if ( data.events ) {
+                                               for ( type in data.events ) {
+                                                       if ( special[ type ] ) {
+                                                               jQuery.event.remove( elem, type );
 
-                                               // This is a shortcut to avoid jQuery.event.remove's overhead
-                                               } else {
-                                                       jQuery.removeEvent( elem, type, data.handle );
+                                                       // This is a shortcut to avoid jQuery.event.remove's overhead
+                                                       } else {
+                                                               jQuery.removeEvent( elem, type, data.handle );
+                                                       }
                                                }
                                        }
 
-                                       // Null the DOM reference to avoid IE6/7/8 leak (#7054)
-                                       if ( data.handle ) {
-                                               data.handle.elem = null;
-                                       }
-                               }
+                                       // Remove cache only if it was not already removed by jQuery.event.remove
+                                       if ( cache[ id ] ) {
 
-                               if ( deleteExpando ) {
-                                       delete elem[ jQuery.expando ];
+                                               delete cache[ id ];
 
-                               } else if ( elem.removeAttribute ) {
-                                       elem.removeAttribute( jQuery.expando );
-                               }
+                                               // IE does not allow us to delete expando properties from nodes,
+                                               // nor does it have a removeAttribute function on Document nodes;
+                                               // we must handle all of these cases
+                                               if ( deleteExpando ) {
+                                                       delete elem[ internalKey ];
+
+                                               } else if ( elem.removeAttribute ) {
+                                                       elem.removeAttribute( internalKey );
+
+                                               } else {
+                                                       elem[ internalKey ] = null;
+                                               }
 
-                               delete cache[ id ];
+                                               jQuery.deletedIds.push( id );
+                                       }
+                               }
                        }
                }
        }
 });
+// Limit scope pollution from any deprecated API
+(function() {
+
+var matched, browser;
+
+// Use of jQuery.browser is frowned upon.
+// More details: http://api.jquery.com/jQuery.browser
+// jQuery.uaMatch maintained for back-compat
+jQuery.uaMatch = function( ua ) {
+       ua = ua.toLowerCase();
+
+       var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
+               /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
+               /(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
+               /(msie) ([\w.]+)/.exec( ua ) ||
+               ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
+               [];
+
+       return {
+               browser: match[ 1 ] || "",
+               version: match[ 2 ] || "0"
+       };
+};
 
+matched = jQuery.uaMatch( navigator.userAgent );
+browser = {};
+
+if ( matched.browser ) {
+       browser[ matched.browser ] = true;
+       browser.version = matched.version;
+}
+
+// Deprecated, use jQuery.browser.webkit instead
+// Maintained for back-compat only
+if ( browser.webkit ) {
+       browser.safari = true;
+}
 
+jQuery.browser = browser;
 
+jQuery.sub = function() {
+       function jQuerySub( selector, context ) {
+               return new jQuerySub.fn.init( selector, context );
+       }
+       jQuery.extend( true, jQuerySub, this );
+       jQuerySub.superclass = this;
+       jQuerySub.fn = jQuerySub.prototype = this();
+       jQuerySub.fn.constructor = jQuerySub;
+       jQuerySub.sub = this.sub;
+       jQuerySub.fn.init = function init( selector, context ) {
+               if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
+                       context = jQuerySub( context );
+               }
 
-var ralpha = /alpha\([^)]*\)/i,
+               return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
+       };
+       jQuerySub.fn.init.prototype = jQuerySub.fn;
+       var rootjQuerySub = jQuerySub(document);
+       return jQuerySub;
+};
+       
+})();
+var curCSS, iframe, iframeDoc,
+       ralpha = /alpha\([^)]*\)/i,
        ropacity = /opacity=([^)]*)/,
-       // fixed for IE9, see #8346
-       rupper = /([A-Z]|^ms)/g,
-       rnum = /^[\-+]?(?:\d*\.)?\d+$/i,
-       rnumnonpx = /^-?(?:\d*\.)?\d+(?!px)[^\d\s]+$/i,
-       rrelNum = /^([\-+])=([\-+.\de]+)/,
+       rposition = /^(top|right|bottom|left)$/,
        rmargin = /^margin/,
+       rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
+       rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
+       rrelNum = new RegExp( "^([-+])=(" + core_pnum + ")", "i" ),
+       elemdisplay = {},
 
        cssShow = { position: "absolute", visibility: "hidden", display: "block" },
+       cssNormalTransform = {
+               letterSpacing: 0,
+               fontWeight: 400,
+               lineHeight: 1
+       },
 
-       // order is important!
        cssExpand = [ "Top", "Right", "Bottom", "Left" ],
+       cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],
 
-       curCSS,
+       eventsToggle = jQuery.fn.toggle;
 
-       getComputedStyle,
-       currentStyle;
+// return a css property mapped to a potentially vendor prefixed property
+function vendorPropName( style, name ) {
 
-jQuery.fn.css = function( name, value ) {
-       return jQuery.access( this, function( elem, name, value ) {
-               return value !== undefined ?
-                       jQuery.style( elem, name, value ) :
-                       jQuery.css( elem, name );
-       }, name, value, arguments.length > 1 );
-};
+       // shortcut for names that are not vendor prefixed
+       if ( name in style ) {
+               return name;
+       }
+
+       // check for vendor prefixed names
+       var capName = name.charAt(0).toUpperCase() + name.slice(1),
+               origName = name,
+               i = cssPrefixes.length;
+
+       while ( i-- ) {
+               name = cssPrefixes[ i ] + capName;
+               if ( name in style ) {
+                       return name;
+               }
+       }
+
+       return origName;
+}
+
+function isHidden( elem, el ) {
+       elem = el || elem;
+       return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
+}
+
+function showHide( elements, show ) {
+       var elem, display,
+               values = [],
+               index = 0,
+               length = elements.length;
+
+       for ( ; index < length; index++ ) {
+               elem = elements[ index ];
+               if ( !elem.style ) {
+                       continue;
+               }
+               values[ index ] = jQuery._data( elem, "olddisplay" );
+               if ( show ) {
+                       // Reset the inline display of this element to learn if it is
+                       // being hidden by cascaded rules or not
+                       if ( !values[ index ] && elem.style.display === "none" ) {
+                               elem.style.display = "";
+                       }
+
+                       // Set elements which have been overridden with display: none
+                       // in a stylesheet to whatever the default browser style is
+                       // for such an element
+                       if ( elem.style.display === "" && isHidden( elem ) ) {
+                               values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
+                       }
+               } else {
+                       display = curCSS( elem, "display" );
+
+                       if ( !values[ index ] && display !== "none" ) {
+                               jQuery._data( elem, "olddisplay", display );
+                       }
+               }
+       }
+
+       // Set the display of most of the elements in a second loop
+       // to avoid the constant reflow
+       for ( index = 0; index < length; index++ ) {
+               elem = elements[ index ];
+               if ( !elem.style ) {
+                       continue;
+               }
+               if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
+                       elem.style.display = show ? values[ index ] || "" : "none";
+               }
+       }
+
+       return elements;
+}
+
+jQuery.fn.extend({
+       css: function( name, value ) {
+               return jQuery.access( this, function( elem, name, value ) {
+                       return value !== undefined ?
+                               jQuery.style( elem, name, value ) :
+                               jQuery.css( elem, name );
+               }, name, value, arguments.length > 1 );
+       },
+       show: function() {
+               return showHide( this, true );
+       },
+       hide: function() {
+               return showHide( this );
+       },
+       toggle: function( state, fn2 ) {
+               var bool = typeof state === "boolean";
+
+               if ( jQuery.isFunction( state ) && jQuery.isFunction( fn2 ) ) {
+                       return eventsToggle.apply( this, arguments );
+               }
+
+               return this.each(function() {
+                       if ( bool ? state : isHidden( this ) ) {
+                               jQuery( this ).show();
+                       } else {
+                               jQuery( this ).hide();
+                       }
+               });
+       }
+});
 
 jQuery.extend({
        // Add in style property hooks for overriding the default
@@ -6589,8 +6465,6 @@ jQuery.extend({
                                        var ret = curCSS( elem, "opacity" );
                                        return ret === "" ? "1" : ret;
 
-                               } else {
-                                       return elem.style.opacity;
                                }
                        }
                }
@@ -6623,10 +6497,15 @@ jQuery.extend({
                }
 
                // Make sure that we're working with the right name
-               var ret, type, origName = jQuery.camelCase( name ),
-                       style = elem.style, hooks = jQuery.cssHooks[ origName ];
+               var ret, type, hooks,
+                       origName = jQuery.camelCase( name ),
+                       style = elem.style;
+
+               name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
 
-               name = jQuery.cssProps[ origName ] || origName;
+               // gets hook for the prefixed version
+               // followed by the unprefixed version
+               hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
 
                // Check if we're setting a value
                if ( value !== undefined ) {
@@ -6634,7 +6513,7 @@ jQuery.extend({
 
                        // convert relative number strings (+= or -=) to relative numbers. #7345
                        if ( type === "string" && (ret = rrelNum.exec( value )) ) {
-                               value = ( +( ret[1] + 1) * +ret[2] ) + parseFloat( jQuery.css( elem, name ) );
+                               value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
                                // Fixes bug #9237
                                type = "number";
                        }
@@ -6650,7 +6529,7 @@ jQuery.extend({
                        }
 
                        // If a hook was provided, use that value, otherwise just set the specified value
-                       if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value )) !== undefined ) {
+                       if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
                                // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
                                // Fixes bug #5509
                                try {
@@ -6669,33 +6548,44 @@ jQuery.extend({
                }
        },
 
-       css: function( elem, name, extra ) {
-               var ret, hooks;
+       css: function( elem, name, numeric, extra ) {
+               var val, num, hooks,
+                       origName = jQuery.camelCase( name );
 
                // Make sure that we're working with the right name
-               name = jQuery.camelCase( name );
-               hooks = jQuery.cssHooks[ name ];
-               name = jQuery.cssProps[ name ] || name;
+               name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
 
-               // cssFloat needs a special treatment
-               if ( name === "cssFloat" ) {
-                       name = "float";
-               }
+               // gets hook for the prefixed version
+               // followed by the unprefixed version
+               hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
 
                // If a hook was provided get the computed value from there
-               if ( hooks && "get" in hooks && (ret = hooks.get( elem, true, extra )) !== undefined ) {
-                       return ret;
+               if ( hooks && "get" in hooks ) {
+                       val = hooks.get( elem, true, extra );
+               }
 
                // Otherwise, if a way to get the computed value exists, use that
-               } else if ( curCSS ) {
-                       return curCSS( elem, name );
+               if ( val === undefined ) {
+                       val = curCSS( elem, name );
+               }
+
+               //convert "normal" to computed value
+               if ( val === "normal" && name in cssNormalTransform ) {
+                       val = cssNormalTransform[ name ];
+               }
+
+               // Return, converting to number if forced or a qualifier was provided and val looks numeric
+               if ( numeric || extra !== undefined ) {
+                       num = parseFloat( val );
+                       return numeric || jQuery.isNumeric( num ) ? num || 0 : val;
                }
+               return val;
        },
 
        // A method for quickly swapping in/out CSS properties to get correct calculations
        swap: function( elem, options, callback ) {
-               var old = {},
-                       ret, name;
+               var ret, name,
+                       old = {};
 
                // Remember the old values, and insert the new ones
                for ( name in options ) {
@@ -6714,49 +6604,51 @@ jQuery.extend({
        }
 });
 
-// DEPRECATED in 1.3, Use jQuery.css() instead
-jQuery.curCSS = jQuery.css;
-
-if ( document.defaultView && document.defaultView.getComputedStyle ) {
-       getComputedStyle = function( elem, name ) {
-               var ret, defaultView, computedStyle, width,
+// NOTE: To any future maintainer, we've used both window.getComputedStyle
+// and getComputedStyle here to produce a better gzip size
+if ( window.getComputedStyle ) {
+       curCSS = function( elem, name ) {
+               var ret, width, minWidth, maxWidth,
+                       computed = getComputedStyle( elem, null ),
                        style = elem.style;
 
-               name = name.replace( rupper, "-$1" ).toLowerCase();
+               if ( computed ) {
 
-               if ( (defaultView = elem.ownerDocument.defaultView) &&
-                               (computedStyle = defaultView.getComputedStyle( elem, null )) ) {
-
-                       ret = computedStyle.getPropertyValue( name );
+                       ret = computed[ name ];
                        if ( ret === "" && !jQuery.contains( elem.ownerDocument.documentElement, elem ) ) {
                                ret = jQuery.style( elem, name );
                        }
-               }
 
-               // A tribute to the "awesome hack by Dean Edwards"
-               // WebKit uses "computed value (percentage if specified)" instead of "used value" for margins
-               // which is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
-               if ( !jQuery.support.pixelMargin && computedStyle && rmargin.test( name ) && rnumnonpx.test( ret ) ) {
-                       width = style.width;
-                       style.width = ret;
-                       ret = computedStyle.width;
-                       style.width = width;
+                       // A tribute to the "awesome hack by Dean Edwards"
+                       // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
+                       // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
+                       // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
+                       if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
+                               width = style.width;
+                               minWidth = style.minWidth;
+                               maxWidth = style.maxWidth;
+
+                               style.minWidth = style.maxWidth = style.width = ret;
+                               ret = computed.width;
+
+                               style.width = width;
+                               style.minWidth = minWidth;
+                               style.maxWidth = maxWidth;
+                       }
                }
 
                return ret;
        };
-}
-
-if ( document.documentElement.currentStyle ) {
-       currentStyle = function( elem, name ) {
-               var left, rsLeft, uncomputed,
+} else if ( document.documentElement.currentStyle ) {
+       curCSS = function( elem, name ) {
+               var left, rsLeft,
                        ret = elem.currentStyle && elem.currentStyle[ name ],
                        style = elem.style;
 
                // Avoid setting ret to empty string here
                // so we don't default to auto
-               if ( ret == null && style && (uncomputed = style[ name ]) ) {
-                       ret = uncomputed;
+               if ( ret == null && style && style[ name ] ) {
+                       ret = style[ name ];
                }
 
                // From the awesome hack by Dean Edwards
@@ -6764,7 +6656,9 @@ if ( document.documentElement.currentStyle ) {
 
                // If we're not dealing with a regular pixel number
                // but a number that has a weird ending, we need to convert it to pixels
-               if ( rnumnonpx.test( ret ) ) {
+               // but not position css attributes, as those are proportional to the parent element instead
+               // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
+               if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
 
                        // Remember the original values
                        left = style.left;
@@ -6774,81 +6668,156 @@ if ( document.documentElement.currentStyle ) {
                        if ( rsLeft ) {
                                elem.runtimeStyle.left = elem.currentStyle.left;
                        }
-                       style.left = name === "fontSize" ? "1em" : ret;
-                       ret = style.pixelLeft + "px";
+                       style.left = name === "fontSize" ? "1em" : ret;
+                       ret = style.pixelLeft + "px";
+
+                       // Revert the changed values
+                       style.left = left;
+                       if ( rsLeft ) {
+                               elem.runtimeStyle.left = rsLeft;
+                       }
+               }
+
+               return ret === "" ? "auto" : ret;
+       };
+}
+
+function setPositiveNumber( elem, value, subtract ) {
+       var matches = rnumsplit.exec( value );
+       return matches ?
+                       Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
+                       value;
+}
+
+function augmentWidthOrHeight( elem, name, extra, isBorderBox ) {
+       var i = extra === ( isBorderBox ? "border" : "content" ) ?
+               // If we already have the right measurement, avoid augmentation
+               4 :
+               // Otherwise initialize for horizontal or vertical properties
+               name === "width" ? 1 : 0,
+
+               val = 0;
+
+       for ( ; i < 4; i += 2 ) {
+               // both box models exclude margin, so add it if we want it
+               if ( extra === "margin" ) {
+                       // we use jQuery.css instead of curCSS here
+                       // because of the reliableMarginRight CSS hook!
+                       val += jQuery.css( elem, extra + cssExpand[ i ], true );
+               }
+
+               // From this point on we use curCSS for maximum performance (relevant in animations)
+               if ( isBorderBox ) {
+                       // border-box includes padding, so remove it if we want content
+                       if ( extra === "content" ) {
+                               val -= parseFloat( curCSS( elem, "padding" + cssExpand[ i ] ) ) || 0;
+                       }
+
+                       // at this point, extra isn't border nor margin, so remove border
+                       if ( extra !== "margin" ) {
+                               val -= parseFloat( curCSS( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
+                       }
+               } else {
+                       // at this point, extra isn't content, so add padding
+                       val += parseFloat( curCSS( elem, "padding" + cssExpand[ i ] ) ) || 0;
 
-                       // Revert the changed values
-                       style.left = left;
-                       if ( rsLeft ) {
-                               elem.runtimeStyle.left = rsLeft;
+                       // at this point, extra isn't content nor padding, so add border
+                       if ( extra !== "padding" ) {
+                               val += parseFloat( curCSS( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
                        }
                }
+       }
 
-               return ret === "" ? "auto" : ret;
-       };
+       return val;
 }
 
-curCSS = getComputedStyle || currentStyle;
-
 function getWidthOrHeight( elem, name, extra ) {
 
-       // Start with offset property
+       // Start with offset property, which is equivalent to the border-box value
        var val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
-               i = name === "width" ? 1 : 0,
-               len = 4;
-
-       if ( val > 0 ) {
-               if ( extra !== "border" ) {
-                       for ( ; i < len; i += 2 ) {
-                               if ( !extra ) {
-                                       val -= parseFloat( jQuery.css( elem, "padding" + cssExpand[ i ] ) ) || 0;
-                               }
-                               if ( extra === "margin" ) {
-                                       val += parseFloat( jQuery.css( elem, extra + cssExpand[ i ] ) ) || 0;
-                               } else {
-                                       val -= parseFloat( jQuery.css( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
-                               }
-                       }
+               valueIsBorderBox = true,
+               isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing" ) === "border-box";
+
+       if ( val <= 0 ) {
+               // Fall back to computed then uncomputed css if necessary
+               val = curCSS( elem, name );
+               if ( val < 0 || val == null ) {
+                       val = elem.style[ name ];
                }
 
-               return val + "px";
-       }
+               // Computed unit is not pixels. Stop here and return.
+               if ( rnumnonpx.test(val) ) {
+                       return val;
+               }
+
+               // we need the check for style in case a browser which returns unreliable values
+               // for getComputedStyle silently falls back to the reliable elem.style
+               valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );
 
-       // Fall back to computed then uncomputed css if necessary
-       val = curCSS( elem, name );
-       if ( val < 0 || val == null ) {
-               val = elem.style[ name ];
+               // Normalize "", auto, and prepare for extra
+               val = parseFloat( val ) || 0;
        }
 
-       // Computed unit is not pixels. Stop here and return.
-       if ( rnumnonpx.test(val) ) {
-               return val;
+       // use the active box-sizing model to add/subtract irrelevant styles
+       return ( val +
+               augmentWidthOrHeight(
+                       elem,
+                       name,
+                       extra || ( isBorderBox ? "border" : "content" ),
+                       valueIsBorderBox
+               )
+       ) + "px";
+}
+
+
+// Try to determine the default display value of an element
+function css_defaultDisplay( nodeName ) {
+       if ( elemdisplay[ nodeName ] ) {
+               return elemdisplay[ nodeName ];
        }
 
-       // Normalize "", auto, and prepare for extra
-       val = parseFloat( val ) || 0;
+       var elem = jQuery( "<" + nodeName + ">" ).appendTo( document.body ),
+               display = elem.css("display");
+       elem.remove();
+
+       // If the simple way fails,
+       // get element's real default display by attaching it to a temp iframe
+       if ( display === "none" || display === "" ) {
+               // Use the already-created iframe if possible
+               iframe = document.body.appendChild(
+                       iframe || jQuery.extend( document.createElement("iframe"), {
+                               frameBorder: 0,
+                               width: 0,
+                               height: 0
+                       })
+               );
 
-       // Add padding, border, margin
-       if ( extra ) {
-               for ( ; i < len; i += 2 ) {
-                       val += parseFloat( jQuery.css( elem, "padding" + cssExpand[ i ] ) ) || 0;
-                       if ( extra !== "padding" ) {
-                               val += parseFloat( jQuery.css( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
-                       }
-                       if ( extra === "margin" ) {
-                               val += parseFloat( jQuery.css( elem, extra + cssExpand[ i ]) ) || 0;
-                       }
+               // Create a cacheable copy of the iframe document on first call.
+               // IE and Opera will allow us to reuse the iframeDoc without re-writing the fake HTML
+               // document to it; WebKit & Firefox won't allow reusing the iframe document.
+               if ( !iframeDoc || !iframe.createElement ) {
+                       iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
+                       iframeDoc.write("<!doctype html><html><body>");
+                       iframeDoc.close();
                }
+
+               elem = iframeDoc.body.appendChild( iframeDoc.createElement(nodeName) );
+
+               display = curCSS( elem, "display" );
+               document.body.removeChild( iframe );
        }
 
-       return val + "px";
+       // Store the correct default display
+       elemdisplay[ nodeName ] = display;
+
+       return display;
 }
 
 jQuery.each([ "height", "width" ], function( i, name ) {
        jQuery.cssHooks[ name ] = {
                get: function( elem, computed, extra ) {
                        if ( computed ) {
-                               if ( elem.offsetWidth !== 0 ) {
+                               if ( elem.offsetWidth !== 0 || curCSS( elem, "display" ) !== "none" ) {
                                        return getWidthOrHeight( elem, name, extra );
                                } else {
                                        return jQuery.swap( elem, cssShow, function() {
@@ -6858,10 +6827,15 @@ jQuery.each([ "height", "width" ], function( i, name ) {
                        }
                },
 
-               set: function( elem, value ) {
-                       return rnum.test( value ) ?
-                               value + "px" :
-                               value;
+               set: function( elem, value, extra ) {
+                       return setPositiveNumber( elem, value, extra ?
+                               augmentWidthOrHeight(
+                                       elem,
+                                       name,
+                                       extra,
+                                       jQuery.support.boxSizing && jQuery.css( elem, "boxSizing" ) === "border-box"
+                               ) : 0
+                       );
                }
        };
 });
@@ -6871,7 +6845,7 @@ if ( !jQuery.support.opacity ) {
                get: function( elem, computed ) {
                        // IE uses filters for opacity
                        return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
-                               ( parseFloat( RegExp.$1 ) / 100 ) + "" :
+                               ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
                                computed ? "1" : "";
                },
 
@@ -6886,7 +6860,8 @@ if ( !jQuery.support.opacity ) {
                        style.zoom = 1;
 
                        // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
-                       if ( value >= 1 && jQuery.trim( filter.replace( ralpha, "" ) ) === "" ) {
+                       if ( value >= 1 && jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
+                               style.removeAttribute ) {
 
                                // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
                                // if "filter:" is present at all, clearType is disabled, we want to avoid this
@@ -6907,9 +6882,9 @@ if ( !jQuery.support.opacity ) {
        };
 }
 
+// These hooks cannot be added until DOM ready because the support test
+// for it is not run until after DOM ready
 jQuery(function() {
-       // This hook cannot be added until DOM ready because the support test
-       // for it is not run until after DOM ready
        if ( !jQuery.support.reliableMarginRight ) {
                jQuery.cssHooks.marginRight = {
                        get: function( elem, computed ) {
@@ -6917,22 +6892,35 @@ jQuery(function() {
                                // Work around by temporarily setting element display to inline-block
                                return jQuery.swap( elem, { "display": "inline-block" }, function() {
                                        if ( computed ) {
-                                               return curCSS( elem, "margin-right" );
-                                       } else {
-                                               return elem.style.marginRight;
+                                               return curCSS( elem, "marginRight" );
                                        }
                                });
                        }
                };
        }
+
+       // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
+       // getComputedStyle returns percent when specified for top/left/bottom/right
+       // rather than make the css module depend on the offset module, we just check for it here
+       if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
+               jQuery.each( [ "top", "left" ], function( i, prop ) {
+                       jQuery.cssHooks[ prop ] = {
+                               get: function( elem, computed ) {
+                                       if ( computed ) {
+                                               var ret = curCSS( elem, prop );
+                                               // if curCSS returns percentage, fallback to offset
+                                               return rnumnonpx.test( ret ) ? jQuery( elem ).position()[ prop ] + "px" : ret;
+                                       }
+                               }
+                       };
+               });
+       }
+
 });
 
 if ( jQuery.expr && jQuery.expr.filters ) {
        jQuery.expr.filters.hidden = function( elem ) {
-               var width = elem.offsetWidth,
-                       height = elem.offsetHeight;
-
-               return ( width === 0 && height === 0 ) || (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
+               return ( elem.offsetWidth === 0 && elem.offsetHeight === 0 ) || (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || curCSS( elem, "display" )) === "none");
        };
 
        jQuery.expr.filters.visible = function( elem ) {
@@ -6946,7 +6934,6 @@ jQuery.each({
        padding: "",
        border: "Width"
 }, function( prefix, suffix ) {
-
        jQuery.cssHooks[ prefix + suffix ] = {
                expand: function( value ) {
                        var i,
@@ -6963,27 +6950,127 @@ jQuery.each({
                        return expanded;
                }
        };
+
+       if ( !rmargin.test( prefix ) ) {
+               jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
+       }
+});
+var r20 = /%20/g,
+       rbracket = /\[\]$/,
+       rCRLF = /\r?\n/g,
+       rinput = /^(?:color|date|datetime|datetime-local|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
+       rselectTextarea = /^(?:select|textarea)/i;
+
+jQuery.fn.extend({
+       serialize: function() {
+               return jQuery.param( this.serializeArray() );
+       },
+       serializeArray: function() {
+               return this.map(function(){
+                       return this.elements ? jQuery.makeArray( this.elements ) : this;
+               })
+               .filter(function(){
+                       return this.name && !this.disabled &&
+                               ( this.checked || rselectTextarea.test( this.nodeName ) ||
+                                       rinput.test( this.type ) );
+               })
+               .map(function( i, elem ){
+                       var val = jQuery( this ).val();
+
+                       return val == null ?
+                               null :
+                               jQuery.isArray( val ) ?
+                                       jQuery.map( val, function( val, i ){
+                                               return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+                                       }) :
+                                       { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+               }).get();
+       }
 });
 
+//Serialize an array of form elements or a set of
+//key/values into a query string
+jQuery.param = function( a, traditional ) {
+       var prefix,
+               s = [],
+               add = function( key, value ) {
+                       // If value is a function, invoke it and return its value
+                       value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
+                       s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
+               };
+
+       // Set traditional to true for jQuery <= 1.3.2 behavior.
+       if ( traditional === undefined ) {
+               traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
+       }
+
+       // If an array was passed in, assume that it is an array of form elements.
+       if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
+               // Serialize the form elements
+               jQuery.each( a, function() {
+                       add( this.name, this.value );
+               });
 
+       } else {
+               // If traditional, encode the "old" way (the way 1.3.2 or older
+               // did it), otherwise encode params recursively.
+               for ( prefix in a ) {
+                       buildParams( prefix, a[ prefix ], traditional, add );
+               }
+       }
 
+       // Return the resulting serialization
+       return s.join( "&" ).replace( r20, "+" );
+};
+
+function buildParams( prefix, obj, traditional, add ) {
+       var name;
+
+       if ( jQuery.isArray( obj ) ) {
+               // Serialize array item.
+               jQuery.each( obj, function( i, v ) {
+                       if ( traditional || rbracket.test( prefix ) ) {
+                               // Treat each array item as a scalar.
+                               add( prefix, v );
+
+                       } else {
+                               // If array item is non-scalar (array or object), encode its
+                               // numeric index to resolve deserialization ambiguity issues.
+                               // Note that rack (as of 1.0.0) can't currently deserialize
+                               // nested arrays properly, and attempting to do so may cause
+                               // a server error. Possible fixes are to modify rack's
+                               // deserialization algorithm or to provide an option or flag
+                               // to force array serialization to be shallow.
+                               buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
+                       }
+               });
+
+       } else if ( !traditional && jQuery.type( obj ) === "object" ) {
+               // Serialize object item.
+               for ( name in obj ) {
+                       buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
+               }
+
+       } else {
+               // Serialize scalar item.
+               add( prefix, obj );
+       }
+}
+var // Document location
+       ajaxLocation,
+       // Document location segments
+       ajaxLocParts,
 
-var r20 = /%20/g,
-       rbracket = /\[\]$/,
-       rCRLF = /\r?\n/g,
        rhash = /#.*$/,
        rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
-       rinput = /^(?:color|date|datetime|datetime-local|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
        // #7653, #8125, #8152: local protocol detection
        rlocalProtocol = /^(?:about|app|app\-storage|.+\-extension|file|res|widget):$/,
        rnoContent = /^(?:GET|HEAD)$/,
        rprotocol = /^\/\//,
        rquery = /\?/,
        rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
-       rselectTextarea = /^(?:select|textarea)/i,
-       rspacesAjax = /\s+/,
        rts = /([?&])_=[^&]*/,
-       rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+))?)?/,
+       rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
 
        // Keep a copy of the old load method
        _load = jQuery.fn.load,
@@ -7006,12 +7093,6 @@ var r20 = /%20/g,
         */
        transports = {},
 
-       // Document location
-       ajaxLocation,
-
-       // Document location segments
-       ajaxLocParts,
-
        // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
        allTypes = ["*/"] + ["*"];
 
@@ -7041,14 +7122,12 @@ function addToPrefiltersOrTransports( structure ) {
                        dataTypeExpression = "*";
                }
 
-               if ( jQuery.isFunction( func ) ) {
-                       var dataTypes = dataTypeExpression.toLowerCase().split( rspacesAjax ),
-                               i = 0,
-                               length = dataTypes.length,
-                               dataType,
-                               list,
-                               placeBefore;
+               var dataType, list, placeBefore,
+                       dataTypes = dataTypeExpression.toLowerCase().split( core_rspace ),
+                       i = 0,
+                       length = dataTypes.length;
 
+               if ( jQuery.isFunction( func ) ) {
                        // For each dataType in the dataTypeExpression
                        for ( ; i < length; i++ ) {
                                dataType = dataTypes[ i ];
@@ -7075,11 +7154,11 @@ function inspectPrefiltersOrTransports( structure, options, originalOptions, jqX
 
        inspected[ dataType ] = true;
 
-       var list = structure[ dataType ],
+       var selection,
+               list = structure[ dataType ],
                i = 0,
                length = list ? list.length : 0,
-               executeOnly = ( structure === prefilters ),
-               selection;
+               executeOnly = ( structure === prefilters );
 
        for ( ; i < length && ( executeOnly || !selection ); i++ ) {
                selection = list[ i ]( options, originalOptions, jqXHR );
@@ -7122,109 +7201,75 @@ function ajaxExtend( target, src ) {
        }
 }
 
-jQuery.fn.extend({
-       load: function( url, params, callback ) {
-               if ( typeof url !== "string" && _load ) {
-                       return _load.apply( this, arguments );
+jQuery.fn.load = function( url, params, callback ) {
+       if ( typeof url !== "string" && _load ) {
+               return _load.apply( this, arguments );
+       }
 
-               // Don't do a request if no elements are being requested
-               } else if ( !this.length ) {
-                       return this;
-               }
+       // Don't do a request if no elements are being requested
+       if ( !this.length ) {
+               return this;
+       }
 
-               var off = url.indexOf( " " );
-               if ( off >= 0 ) {
-                       var selector = url.slice( off, url.length );
-                       url = url.slice( 0, off );
-               }
+       var selector, type, response,
+               self = this,
+               off = url.indexOf(" ");
+
+       if ( off >= 0 ) {
+               selector = url.slice( off, url.length );
+               url = url.slice( 0, off );
+       }
+
+       // If it's a function
+       if ( jQuery.isFunction( params ) ) {
 
-               // Default to a GET request
-               var type = "GET";
+               // We assume that it's the callback
+               callback = params;
+               params = undefined;
 
-               // If the second parameter was provided
-               if ( params ) {
-                       // If it's a function
-                       if ( jQuery.isFunction( params ) ) {
-                               // We assume that it's the callback
-                               callback = params;
-                               params = undefined;
+       // Otherwise, build a param string
+       } else if ( typeof params === "object" ) {
+               type = "POST";
+       }
+
+       // Request the remote document
+       jQuery.ajax({
+               url: url,
 
-                       // Otherwise, build a param string
-                       } else if ( typeof params === "object" ) {
-                               params = jQuery.param( params, jQuery.ajaxSettings.traditional );
-                               type = "POST";
+               // if "type" variable is undefined, then "GET" method will be used
+               type: type,
+               dataType: "html",
+               data: params,
+               complete: function( jqXHR, status ) {
+                       if ( callback ) {
+                               self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
                        }
                }
+       }).done(function( responseText ) {
 
-               var self = this;
+               // Save response for use in complete callback
+               response = arguments;
 
-               // Request the remote document
-               jQuery.ajax({
-                       url: url,
-                       type: type,
-                       dataType: "html",
-                       data: params,
-                       // Complete callback (responseText is used internally)
-                       complete: function( jqXHR, status, responseText ) {
-                               // Store the response as specified by the jqXHR object
-                               responseText = jqXHR.responseText;
-                               // If successful, inject the HTML into all the matched elements
-                               if ( jqXHR.isResolved() ) {
-                                       // #4825: Get the actual response in case
-                                       // a dataFilter is present in ajaxSettings
-                                       jqXHR.done(function( r ) {
-                                               responseText = r;
-                                       });
-                                       // See if a selector was specified
-                                       self.html( selector ?
-                                               // Create a dummy div to hold the results
-                                               jQuery("<div>")
-                                                       // inject the contents of the document in, removing the scripts
-                                                       // to avoid any 'Permission Denied' errors in IE
-                                                       .append(responseText.replace(rscript, ""))
-
-                                                       // Locate the specified elements
-                                                       .find(selector) :
-
-                                               // If not, just inject the full result
-                                               responseText );
-                               }
+               // See if a selector was specified
+               self.html( selector ?
 
-                               if ( callback ) {
-                                       self.each( callback, [ responseText, status, jqXHR ] );
-                               }
-                       }
-               });
+                       // Create a dummy div to hold the results
+                       jQuery("<div>")
 
-               return this;
-       },
+                               // inject the contents of the document in, removing the scripts
+                               // to avoid any 'Permission Denied' errors in IE
+                               .append( responseText.replace( rscript, "" ) )
 
-       serialize: function() {
-               return jQuery.param( this.serializeArray() );
-       },
+                               // Locate the specified elements
+                               .find( selector ) :
 
-       serializeArray: function() {
-               return this.map(function(){
-                       return this.elements ? jQuery.makeArray( this.elements ) : this;
-               })
-               .filter(function(){
-                       return this.name && !this.disabled &&
-                               ( this.checked || rselectTextarea.test( this.nodeName ) ||
-                                       rinput.test( this.type ) );
-               })
-               .map(function( i, elem ){
-                       var val = jQuery( this ).val();
+                       // If not, just inject the full result
+                       responseText );
 
-                       return val == null ?
-                               null :
-                               jQuery.isArray( val ) ?
-                                       jQuery.map( val, function( val, i ){
-                                               return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-                                       }) :
-                                       { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-               }).get();
-       }
-});
+       });
+
+       return this;
+};
 
 // Attach a bunch of functions for handling common AJAX events
 jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split( " " ), function( i, o ){
@@ -7293,6 +7338,7 @@ jQuery.extend({
                username: null,
                password: null,
                cache: null,
+               throws: false,
                traditional: false,
                headers: {},
                */
@@ -7359,7 +7405,22 @@ jQuery.extend({
                // Force options to be an object
                options = options || {};
 
-               var // Create the final options object
+               var // ifModified key
+                       ifModifiedKey,
+                       // Response headers
+                       responseHeadersString,
+                       responseHeaders,
+                       // transport
+                       transport,
+                       // timeout handle
+                       timeoutTimer,
+                       // Cross-domain detection vars
+                       parts,
+                       // To know if global events are to be dispatched
+                       fireGlobals,
+                       // Loop variable
+                       i,
+                       // Create the final options object
                        s = jQuery.ajaxSetup( {}, options ),
                        // Callbacks context
                        callbackContext = s.context || s,
@@ -7374,26 +7435,13 @@ jQuery.extend({
                        completeDeferred = jQuery.Callbacks( "once memory" ),
                        // Status-dependent callbacks
                        statusCode = s.statusCode || {},
-                       // ifModified key
-                       ifModifiedKey,
                        // Headers (they are sent all at once)
                        requestHeaders = {},
                        requestHeadersNames = {},
-                       // Response headers
-                       responseHeadersString,
-                       responseHeaders,
-                       // transport
-                       transport,
-                       // timeout handle
-                       timeoutTimer,
-                       // Cross-domain detection vars
-                       parts,
                        // The jqXHR state
                        state = 0,
-                       // To know if global events are to be dispatched
-                       fireGlobals,
-                       // Loop variable
-                       i,
+                       // Default abort message
+                       strAbort = "canceled",
                        // Fake xhr
                        jqXHR = {
 
@@ -7439,7 +7487,7 @@ jQuery.extend({
 
                                // Cancel the request
                                abort: function( statusText ) {
-                                       statusText = statusText || "abort";
+                                       statusText = statusText || strAbort;
                                        if ( transport ) {
                                                transport.abort( statusText );
                                        }
@@ -7452,6 +7500,8 @@ jQuery.extend({
                // It is defined here because jslint complains if it is declared
                // at the end of the function (which would be more logical and readable)
                function done( status, nativeStatusText, responses, headers ) {
+                       var isSuccess, success, error, response, modified,
+                               statusText = nativeStatusText;
 
                        // Called once
                        if ( state === 2 ) {
@@ -7476,13 +7526,10 @@ jQuery.extend({
                        // Set readyState
                        jqXHR.readyState = status > 0 ? 4 : 0;
 
-                       var isSuccess,
-                               success,
-                               error,
-                               statusText = nativeStatusText,
-                               response = responses ? ajaxHandleResponses( s, jqXHR, responses ) : undefined,
-                               lastModified,
-                               etag;
+                       // Get response data
+                       if ( responses ) {
+                               response = ajaxHandleResponses( s, jqXHR, responses );
+                       }
 
                        // If successful, handle type chaining
                        if ( status >= 200 && status < 300 || status === 304 ) {
@@ -7490,11 +7537,13 @@ jQuery.extend({
                                // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
                                if ( s.ifModified ) {
 
-                                       if ( ( lastModified = jqXHR.getResponseHeader( "Last-Modified" ) ) ) {
-                                               jQuery.lastModified[ ifModifiedKey ] = lastModified;
+                                       modified = jqXHR.getResponseHeader("Last-Modified");
+                                       if ( modified ) {
+                                               jQuery.lastModified[ ifModifiedKey ] = modified;
                                        }
-                                       if ( ( etag = jqXHR.getResponseHeader( "Etag" ) ) ) {
-                                               jQuery.etag[ ifModifiedKey ] = etag;
+                                       modified = jqXHR.getResponseHeader("Etag");
+                                       if ( modified ) {
+                                               jQuery.etag[ ifModifiedKey ] = modified;
                                        }
                                }
 
@@ -7507,15 +7556,11 @@ jQuery.extend({
                                // If we have data
                                } else {
 
-                                       try {
-                                               success = ajaxConvert( s, response );
-                                               statusText = "success";
-                                               isSuccess = true;
-                                       } catch(e) {
-                                               // We have a parsererror
-                                               statusText = "parsererror";
-                                               error = e;
-                                       }
+                                       isSuccess = ajaxConvert( s, response );
+                                       statusText = isSuccess.state;
+                                       success = isSuccess.data;
+                                       error = isSuccess.error;
+                                       isSuccess = !error;
                                }
                        } else {
                                // We extract error from statusText
@@ -7577,7 +7622,7 @@ jQuery.extend({
                                        }
                                } else {
                                        tmp = map[ jqXHR.status ];
-                                       jqXHR.then( tmp, tmp );
+                                       jqXHR.always( tmp );
                                }
                        }
                        return this;
@@ -7589,7 +7634,7 @@ jQuery.extend({
                s.url = ( ( url || s.url ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
 
                // Extract dataTypes list
-               s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( rspacesAjax );
+               s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( core_rspace );
 
                // Determine if a cross-domain request is in order
                if ( s.crossDomain == null ) {
@@ -7611,7 +7656,7 @@ jQuery.extend({
 
                // If request was aborted inside a prefilter, stop there
                if ( state === 2 ) {
-                       return false;
+                       return jqXHR;
                }
 
                // We can fire global events as of now if asked to
@@ -7684,12 +7729,14 @@ jQuery.extend({
 
                // Allow custom headers/mimetypes and early abort
                if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
-                               // Abort if not done already
-                               jqXHR.abort();
-                               return false;
+                               // Abort if not done already and return
+                               return jqXHR.abort();
 
                }
 
+               // aborting is no longer a cancellation
+               strAbort = "abort";
+
                // Install callbacks on deferreds
                for ( i in { success: 1, error: 1, complete: 1 } ) {
                        jqXHR[ i ]( s[ i ] );
@@ -7728,79 +7775,8 @@ jQuery.extend({
                        }
                }
 
-               return jqXHR;
-       },
-
-       // Serialize an array of form elements or a set of
-       // key/values into a query string
-       param: function( a, traditional ) {
-               var s = [],
-                       add = function( key, value ) {
-                               // If value is a function, invoke it and return its value
-                               value = jQuery.isFunction( value ) ? value() : value;
-                               s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
-                       };
-
-               // Set traditional to true for jQuery <= 1.3.2 behavior.
-               if ( traditional === undefined ) {
-                       traditional = jQuery.ajaxSettings.traditional;
-               }
-
-               // If an array was passed in, assume that it is an array of form elements.
-               if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
-                       // Serialize the form elements
-                       jQuery.each( a, function() {
-                               add( this.name, this.value );
-                       });
-
-               } else {
-                       // If traditional, encode the "old" way (the way 1.3.2 or older
-                       // did it), otherwise encode params recursively.
-                       for ( var prefix in a ) {
-                               buildParams( prefix, a[ prefix ], traditional, add );
-                       }
-               }
-
-               // Return the resulting serialization
-               return s.join( "&" ).replace( r20, "+" );
-       }
-});
-
-function buildParams( prefix, obj, traditional, add ) {
-       if ( jQuery.isArray( obj ) ) {
-               // Serialize array item.
-               jQuery.each( obj, function( i, v ) {
-                       if ( traditional || rbracket.test( prefix ) ) {
-                               // Treat each array item as a scalar.
-                               add( prefix, v );
-
-                       } else {
-                               // If array item is non-scalar (array or object), encode its
-                               // numeric index to resolve deserialization ambiguity issues.
-                               // Note that rack (as of 1.0.0) can't currently deserialize
-                               // nested arrays properly, and attempting to do so may cause
-                               // a server error. Possible fixes are to modify rack's
-                               // deserialization algorithm or to provide an option or flag
-                               // to force array serialization to be shallow.
-                               buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
-                       }
-               });
-
-       } else if ( !traditional && jQuery.type( obj ) === "object" ) {
-               // Serialize object item.
-               for ( var name in obj ) {
-                       buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
-               }
-
-       } else {
-               // Serialize scalar item.
-               add( prefix, obj );
-       }
-}
-
-// This is still on the jQuery object... for now
-// Want to move this to jQuery.ajax some day
-jQuery.extend({
+               return jqXHR;
+       },
 
        // Counter for holding the number of active queries
        active: 0,
@@ -7818,13 +7794,10 @@ jQuery.extend({
  */
 function ajaxHandleResponses( s, jqXHR, responses ) {
 
-       var contents = s.contents,
+       var ct, type, finalDataType, firstDataType,
+               contents = s.contents,
                dataTypes = s.dataTypes,
-               responseFields = s.responseFields,
-               ct,
-               type,
-               finalDataType,
-               firstDataType;
+               responseFields = s.responseFields;
 
        // Fill responseXXX fields
        for ( type in responseFields ) {
@@ -7883,154 +7856,137 @@ function ajaxHandleResponses( s, jqXHR, responses ) {
 // Chain conversions given the request and the original response
 function ajaxConvert( s, response ) {
 
+       var conv, conv2, current, tmp,
+               // Work with a copy of dataTypes in case we need to modify it for conversion
+               dataTypes = s.dataTypes.slice(),
+               prev = dataTypes[ 0 ],
+               converters = {},
+               i = 0;
+
        // Apply the dataFilter if provided
        if ( s.dataFilter ) {
                response = s.dataFilter( response, s.dataType );
        }
 
-       var dataTypes = s.dataTypes,
-               converters = {},
-               i,
-               key,
-               length = dataTypes.length,
-               tmp,
-               // Current and previous dataTypes
-               current = dataTypes[ 0 ],
-               prev,
-               // Conversion expression
-               conversion,
-               // Conversion function
-               conv,
-               // Conversion functions (transitive conversion)
-               conv1,
-               conv2;
-
-       // For each dataType in the chain
-       for ( i = 1; i < length; i++ ) {
-
-               // Create converters map
-               // with lowercased keys
-               if ( i === 1 ) {
-                       for ( key in s.converters ) {
-                               if ( typeof key === "string" ) {
-                                       converters[ key.toLowerCase() ] = s.converters[ key ];
-                               }
-                       }
+       // Create converters map with lowercased keys
+       if ( dataTypes[ 1 ] ) {
+               for ( conv in s.converters ) {
+                       converters[ conv.toLowerCase() ] = s.converters[ conv ];
                }
+       }
 
-               // Get the dataTypes
-               prev = current;
-               current = dataTypes[ i ];
-
-               // If current is auto dataType, update it to prev
-               if ( current === "*" ) {
-                       current = prev;
-               // If no auto and dataTypes are actually different
-               } else if ( prev !== "*" && prev !== current ) {
-
-                       // Get the converter
-                       conversion = prev + " " + current;
-                       conv = converters[ conversion ] || converters[ "* " + current ];
-
-                       // If there is no direct converter, search transitively
-                       if ( !conv ) {
-                               conv2 = undefined;
-                               for ( conv1 in converters ) {
-                                       tmp = conv1.split( " " );
-                                       if ( tmp[ 0 ] === prev || tmp[ 0 ] === "*" ) {
-                                               conv2 = converters[ tmp[1] + " " + current ];
-                                               if ( conv2 ) {
-                                                       conv1 = converters[ conv1 ];
-                                                       if ( conv1 === true ) {
-                                                               conv = conv2;
-                                                       } else if ( conv2 === true ) {
-                                                               conv = conv1;
+       // Convert to each sequential dataType, tolerating list modification
+       for ( ; (current = dataTypes[++i]); ) {
+
+               // There's only work to do if current dataType is non-auto
+               if ( current !== "*" ) {
+
+                       // Convert response if prev dataType is non-auto and differs from current
+                       if ( prev !== "*" && prev !== current ) {
+
+                               // Seek a direct converter
+                               conv = converters[ prev + " " + current ] || converters[ "* " + current ];
+
+                               // If none found, seek a pair
+                               if ( !conv ) {
+                                       for ( conv2 in converters ) {
+
+                                               // If conv2 outputs current
+                                               tmp = conv2.split(" ");
+                                               if ( tmp[ 1 ] === current ) {
+
+                                                       // If prev can be converted to accepted input
+                                                       conv = converters[ prev + " " + tmp[ 0 ] ] ||
+                                                               converters[ "* " + tmp[ 0 ] ];
+                                                       if ( conv ) {
+                                                               // Condense equivalence converters
+                                                               if ( conv === true ) {
+                                                                       conv = converters[ conv2 ];
+
+                                                               // Otherwise, insert the intermediate dataType
+                                                               } else if ( converters[ conv2 ] !== true ) {
+                                                                       current = tmp[ 0 ];
+                                                                       dataTypes.splice( i--, 0, current );
+                                                               }
+
+                                                               break;
                                                        }
-                                                       break;
                                                }
                                        }
                                }
-                       }
-                       // If we found no converter, dispatch an error
-                       if ( !( conv || conv2 ) ) {
-                               jQuery.error( "No conversion from " + conversion.replace(" "," to ") );
-                       }
-                       // If found converter is not an equivalence
-                       if ( conv !== true ) {
-                               // Convert with 1 or 2 converters accordingly
-                               response = conv ? conv( response ) : conv2( conv1(response) );
-                       }
-               }
-       }
-       return response;
-}
 
+                               // Apply converter (if not an equivalence)
+                               if ( conv !== true ) {
 
+                                       // Unless errors are allowed to bubble, catch and return them
+                                       if ( conv && s["throws"] ) {
+                                               response = conv( response );
+                                       } else {
+                                               try {
+                                                       response = conv( response );
+                                               } catch ( e ) {
+                                                       return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
+                                               }
+                                       }
+                               }
+                       }
 
+                       // Update prev for next iteration
+                       prev = current;
+               }
+       }
 
-var jsc = jQuery.now(),
-       jsre = /(\=)\?(&|$)|\?\?/i;
+       return { state: "success", data: response };
+}
+var oldCallbacks = [],
+       rquestion = /\?/,
+       rjsonp = /(=)\?(?=&|$)|\?\?/,
+       nonce = jQuery.now();
 
 // Default jsonp settings
 jQuery.ajaxSetup({
        jsonp: "callback",
        jsonpCallback: function() {
-               return jQuery.expando + "_" + ( jsc++ );
+               var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
+               this[ callback ] = true;
+               return callback;
        }
 });
 
 // Detect, normalize options and install callbacks for jsonp requests
 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 
-       var inspectData = ( typeof s.data === "string" ) && /^application\/x\-www\-form\-urlencoded/.test( s.contentType );
-
-       if ( s.dataTypes[ 0 ] === "jsonp" ||
-               s.jsonp !== false && ( jsre.test( s.url ) ||
-                               inspectData && jsre.test( s.data ) ) ) {
-
-               var responseContainer,
-                       jsonpCallback = s.jsonpCallback =
-                               jQuery.isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback,
-                       previous = window[ jsonpCallback ],
-                       url = s.url,
-                       data = s.data,
-                       replace = "$1" + jsonpCallback + "$2";
-
-               if ( s.jsonp !== false ) {
-                       url = url.replace( jsre, replace );
-                       if ( s.url === url ) {
-                               if ( inspectData ) {
-                                       data = data.replace( jsre, replace );
-                               }
-                               if ( s.data === data ) {
-                                       // Add callback manually
-                                       url += (/\?/.test( url ) ? "&" : "?") + s.jsonp + "=" + jsonpCallback;
-                               }
-                       }
+       var callbackName, overwritten, responseContainer,
+               data = s.data,
+               url = s.url,
+               hasCallback = s.jsonp !== false,
+               replaceInUrl = hasCallback && rjsonp.test( url ),
+               replaceInData = hasCallback && !replaceInUrl && typeof data === "string" &&
+                       !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") &&
+                       rjsonp.test( data );
+
+       // Handle iff the expected data type is "jsonp" or we have a parameter to set
+       if ( s.dataTypes[ 0 ] === "jsonp" || replaceInUrl || replaceInData ) {
+
+               // Get callback name, remembering preexisting value associated with it
+               callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
+                       s.jsonpCallback() :
+                       s.jsonpCallback;
+               overwritten = window[ callbackName ];
+
+               // Insert callback into url or form data
+               if ( replaceInUrl ) {
+                       s.url = url.replace( rjsonp, "$1" + callbackName );
+               } else if ( replaceInData ) {
+                       s.data = data.replace( rjsonp, "$1" + callbackName );
+               } else if ( hasCallback ) {
+                       s.url += ( rquestion.test( url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
                }
 
-               s.url = url;
-               s.data = data;
-
-               // Install callback
-               window[ jsonpCallback ] = function( response ) {
-                       responseContainer = [ response ];
-               };
-
-               // Clean-up function
-               jqXHR.always(function() {
-                       // Set callback back to previous value
-                       window[ jsonpCallback ] = previous;
-                       // Call if it was a function and we have a response
-                       if ( responseContainer && jQuery.isFunction( previous ) ) {
-                               window[ jsonpCallback ]( responseContainer[ 0 ] );
-                       }
-               });
-
                // Use data converter to retrieve json after script execution
                s.converters["script json"] = function() {
                        if ( !responseContainer ) {
-                               jQuery.error( jsonpCallback + " was not called" );
+                               jQuery.error( callbackName + " was not called" );
                        }
                        return responseContainer[ 0 ];
                };
@@ -8038,14 +7994,37 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
                // force json dataType
                s.dataTypes[ 0 ] = "json";
 
-               // Delegate to script
-               return "script";
-       }
-});
+               // Install callback
+               window[ callbackName ] = function() {
+                       responseContainer = arguments;
+               };
+
+               // Clean-up function (fires after converters)
+               jqXHR.always(function() {
+                       // Restore preexisting value
+                       window[ callbackName ] = overwritten;
+
+                       // Save back as free
+                       if ( s[ callbackName ] ) {
+                               // make sure that re-using the options doesn't screw things around
+                               s.jsonpCallback = originalSettings.jsonpCallback;
 
+                               // save the callback name for future use
+                               oldCallbacks.push( callbackName );
+                       }
 
+                       // Call if it was a function and we have a response
+                       if ( responseContainer && jQuery.isFunction( overwritten ) ) {
+                               overwritten( responseContainer[ 0 ] );
+                       }
 
+                       responseContainer = overwritten = undefined;
+               });
 
+               // Delegate to script
+               return "script";
+       }
+});
 // Install script dataType
 jQuery.ajaxSetup({
        accepts: {
@@ -8131,19 +8110,15 @@ jQuery.ajaxTransport( "script", function(s) {
                };
        }
 });
-
-
-
-
-var // #5280: Internet Explorer will keep connections alive if we don't abort on unload
+var xhrCallbacks,
+       // #5280: Internet Explorer will keep connections alive if we don't abort on unload
        xhrOnUnloadAbort = window.ActiveXObject ? function() {
                // Abort all pending requests
                for ( var key in xhrCallbacks ) {
                        xhrCallbacks[ key ]( 0, 1 );
                }
        } : false,
-       xhrId = 0,
-       xhrCallbacks;
+       xhrId = 0;
 
 // Functions to create xhrs
 function createStandardXHR() {
@@ -8194,9 +8169,8 @@ if ( jQuery.support.ajax ) {
                                send: function( headers, complete ) {
 
                                        // Get a new xhr
-                                       var xhr = s.xhr(),
-                                               handle,
-                                               i;
+                                       var handle, i,
+                                               xhr = s.xhr();
 
                                        // Open the socket
                                        // Passing null username, generates a login popup on Opera (#2865)
@@ -8249,7 +8223,7 @@ if ( jQuery.support.ajax ) {
                                                        xml;
 
                                                // Firefox throws exceptions when accessing properties
-                                               // of an xhr when a network error occured
+                                               // of an xhr when a network error occurred
                                                // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
                                                try {
 
@@ -8325,11 +8299,13 @@ if ( jQuery.support.ajax ) {
                                                }
                                        };
 
-                                       // if we're in sync mode or it's in cache
-                                       // and has been retrieved directly (IE6 & IE7)
-                                       // we need to manually fire the callback
-                                       if ( !s.async || xhr.readyState === 4 ) {
+                                       if ( !s.async ) {
+                                               // if we're in sync mode we fire the callback
                                                callback();
+                                       } else if ( xhr.readyState === 4 ) {
+                                               // (IE6 & IE7) if it's in cache and has been
+                                               // retrieved directly we need to fire the callback
+                                               setTimeout( callback, 0 );
                                        } else {
                                                handle = ++xhrId;
                                                if ( xhrOnUnloadAbort ) {
@@ -8353,793 +8329,662 @@ if ( jQuery.support.ajax ) {
                                }
                        };
                }
-       });
-}
-
-
-
-
-var elemdisplay = {},
-       iframe, iframeDoc,
-       rfxtypes = /^(?:toggle|show|hide)$/,
-       rfxnum = /^([+\-]=)?([\d+.\-]+)([a-z%]*)$/i,
-       timerId,
-       fxAttrs = [
-               // height animations
-               [ "height", "marginTop", "marginBottom", "paddingTop", "paddingBottom" ],
-               // width animations
-               [ "width", "marginLeft", "marginRight", "paddingLeft", "paddingRight" ],
-               // opacity animations
-               [ "opacity" ]
-       ],
-       fxNow;
-
-jQuery.fn.extend({
-       show: function( speed, easing, callback ) {
-               var elem, display;
-
-               if ( speed || speed === 0 ) {
-                       return this.animate( genFx("show", 3), speed, easing, callback );
-
-               } else {
-                       for ( var i = 0, j = this.length; i < j; i++ ) {
-                               elem = this[ i ];
-
-                               if ( elem.style ) {
-                                       display = elem.style.display;
-
-                                       // Reset the inline display of this element to learn if it is
-                                       // being hidden by cascaded rules or not
-                                       if ( !jQuery._data(elem, "olddisplay") && display === "none" ) {
-                                               display = elem.style.display = "";
-                                       }
-
-                                       // Set elements which have been overridden with display: none
-                                       // in a stylesheet to whatever the default browser style is
-                                       // for such an element
-                                       if ( (display === "" && jQuery.css(elem, "display") === "none") ||
-                                               !jQuery.contains( elem.ownerDocument.documentElement, elem ) ) {
-                                               jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) );
-                                       }
-                               }
-                       }
-
-                       // Set the display of most of the elements in a second loop
-                       // to avoid the constant reflow
-                       for ( i = 0; i < j; i++ ) {
-                               elem = this[ i ];
-
-                               if ( elem.style ) {
-                                       display = elem.style.display;
-
-                                       if ( display === "" || display === "none" ) {
-                                               elem.style.display = jQuery._data( elem, "olddisplay" ) || "";
-                                       }
-                               }
-                       }
-
-                       return this;
-               }
-       },
-
-       hide: function( speed, easing, callback ) {
-               if ( speed || speed === 0 ) {
-                       return this.animate( genFx("hide", 3), speed, easing, callback);
-
-               } else {
-                       var elem, display,
-                               i = 0,
-                               j = this.length;
-
-                       for ( ; i < j; i++ ) {
-                               elem = this[i];
-                               if ( elem.style ) {
-                                       display = jQuery.css( elem, "display" );
-
-                                       if ( display !== "none" && !jQuery._data( elem, "olddisplay" ) ) {
-                                               jQuery._data( elem, "olddisplay", display );
-                                       }
-                               }
-                       }
-
-                       // Set the display of the elements in a second loop
-                       // to avoid the constant reflow
-                       for ( i = 0; i < j; i++ ) {
-                               if ( this[i].style ) {
-                                       this[i].style.display = "none";
-                               }
-                       }
-
-                       return this;
-               }
-       },
-
-       // Save the old toggle function
-       _toggle: jQuery.fn.toggle,
-
-       toggle: function( fn, fn2, callback ) {
-               var bool = typeof fn === "boolean";
-
-               if ( jQuery.isFunction(fn) && jQuery.isFunction(fn2) ) {
-                       this._toggle.apply( this, arguments );
-
-               } else if ( fn == null || bool ) {
-                       this.each(function() {
-                               var state = bool ? fn : jQuery(this).is(":hidden");
-                               jQuery(this)[ state ? "show" : "hide" ]();
-                       });
-
-               } else {
-                       this.animate(genFx("toggle", 3), fn, fn2, callback);
-               }
-
-               return this;
-       },
-
-       fadeTo: function( speed, to, easing, callback ) {
-               return this.filter(":hidden").css("opacity", 0).show().end()
-                                       .animate({opacity: to}, speed, easing, callback);
-       },
-
-       animate: function( prop, speed, easing, callback ) {
-               var optall = jQuery.speed( speed, easing, callback );
-
-               if ( jQuery.isEmptyObject( prop ) ) {
-                       return this.each( optall.complete, [ false ] );
-               }
-
-               // Do not change referenced properties as per-property easing will be lost
-               prop = jQuery.extend( {}, prop );
-
-               function doAnimation() {
-                       // XXX 'this' does not always have a nodeName when running the
-                       // test suite
-
-                       if ( optall.queue === false ) {
-                               jQuery._mark( this );
-                       }
-
-                       var opt = jQuery.extend( {}, optall ),
-                               isElement = this.nodeType === 1,
-                               hidden = isElement && jQuery(this).is(":hidden"),
-                               name, val, p, e, hooks, replace,
-                               parts, start, end, unit,
-                               method;
-
-                       // will store per property easing and be used to determine when an animation is complete
-                       opt.animatedProperties = {};
-
-                       // first pass over propertys to expand / normalize
-                       for ( p in prop ) {
-                               name = jQuery.camelCase( p );
-                               if ( p !== name ) {
-                                       prop[ name ] = prop[ p ];
-                                       delete prop[ p ];
-                               }
-
-                               if ( ( hooks = jQuery.cssHooks[ name ] ) && "expand" in hooks ) {
-                                       replace = hooks.expand( prop[ name ] );
-                                       delete prop[ name ];
-
-                                       // not quite $.extend, this wont overwrite keys already present.
-                                       // also - reusing 'p' from above because we have the correct "name"
-                                       for ( p in replace ) {
-                                               if ( ! ( p in prop ) ) {
-                                                       prop[ p ] = replace[ p ];
-                                               }
-                                       }
-                               }
-                       }
-
-                       for ( name in prop ) {
-                               val = prop[ name ];
-                               // easing resolution: per property > opt.specialEasing > opt.easing > 'swing' (default)
-                               if ( jQuery.isArray( val ) ) {
-                                       opt.animatedProperties[ name ] = val[ 1 ];
-                                       val = prop[ name ] = val[ 0 ];
-                               } else {
-                                       opt.animatedProperties[ name ] = opt.specialEasing && opt.specialEasing[ name ] || opt.easing || 'swing';
-                               }
-
-                               if ( val === "hide" && hidden || val === "show" && !hidden ) {
-                                       return opt.complete.call( this );
-                               }
-
-                               if ( isElement && ( name === "height" || name === "width" ) ) {
-                                       // Make sure that nothing sneaks out
-                                       // Record all 3 overflow attributes because IE does not
-                                       // change the overflow attribute when overflowX and
-                                       // overflowY are set to the same value
-                                       opt.overflow = [ this.style.overflow, this.style.overflowX, this.style.overflowY ];
-
-                                       // Set display property to inline-block for height/width
-                                       // animations on inline elements that are having width/height animated
-                                       if ( jQuery.css( this, "display" ) === "inline" &&
-                                                       jQuery.css( this, "float" ) === "none" ) {
-
-                                               // inline-level elements accept inline-block;
-                                               // block-level elements need to be inline with layout
-                                               if ( !jQuery.support.inlineBlockNeedsLayout || defaultDisplay( this.nodeName ) === "inline" ) {
-                                                       this.style.display = "inline-block";
-
-                                               } else {
-                                                       this.style.zoom = 1;
-                                               }
-                                       }
-                               }
-                       }
-
-                       if ( opt.overflow != null ) {
-                               this.style.overflow = "hidden";
-                       }
-
-                       for ( p in prop ) {
-                               e = new jQuery.fx( this, opt, p );
-                               val = prop[ p ];
-
-                               if ( rfxtypes.test( val ) ) {
-
-                                       // Tracks whether to show or hide based on private
-                                       // data attached to the element
-                                       method = jQuery._data( this, "toggle" + p ) || ( val === "toggle" ? hidden ? "show" : "hide" : 0 );
-                                       if ( method ) {
-                                               jQuery._data( this, "toggle" + p, method === "show" ? "hide" : "show" );
-                                               e[ method ]();
-                                       } else {
-                                               e[ val ]();
-                                       }
-
-                               } else {
-                                       parts = rfxnum.exec( val );
-                                       start = e.cur();
-
-                                       if ( parts ) {
-                                               end = parseFloat( parts[2] );
-                                               unit = parts[3] || ( jQuery.cssNumber[ p ] ? "" : "px" );
-
-                                               // We need to compute starting value
-                                               if ( unit !== "px" ) {
-                                                       jQuery.style( this, p, (end || 1) + unit);
-                                                       start = ( (end || 1) / e.cur() ) * start;
-                                                       jQuery.style( this, p, start + unit);
-                                               }
-
-                                               // If a +=/-= token was provided, we're doing a relative animation
-                                               if ( parts[1] ) {
-                                                       end = ( (parts[ 1 ] === "-=" ? -1 : 1) * end ) + start;
-                                               }
-
-                                               e.custom( start, end, unit );
-
-                                       } else {
-                                               e.custom( start, val, "" );
-                                       }
-                               }
-                       }
-
-                       // For JS strict compliance
-                       return true;
-               }
-
-               return optall.queue === false ?
-                       this.each( doAnimation ) :
-                       this.queue( optall.queue, doAnimation );
-       },
-
-       stop: function( type, clearQueue, gotoEnd ) {
-               if ( typeof type !== "string" ) {
-                       gotoEnd = clearQueue;
-                       clearQueue = type;
-                       type = undefined;
-               }
-               if ( clearQueue && type !== false ) {
-                       this.queue( type || "fx", [] );
-               }
-
-               return this.each(function() {
-                       var index,
-                               hadTimers = false,
-                               timers = jQuery.timers,
-                               data = jQuery._data( this );
-
-                       // clear marker counters if we know they won't be
-                       if ( !gotoEnd ) {
-                               jQuery._unmark( true, this );
-                       }
-
-                       function stopQueue( elem, data, index ) {
-                               var hooks = data[ index ];
-                               jQuery.removeData( elem, index, true );
-                               hooks.stop( gotoEnd );
-                       }
-
-                       if ( type == null ) {
-                               for ( index in data ) {
-                                       if ( data[ index ] && data[ index ].stop && index.indexOf(".run") === index.length - 4 ) {
-                                               stopQueue( this, data, index );
-                                       }
-                               }
-                       } else if ( data[ index = type + ".run" ] && data[ index ].stop ){
-                               stopQueue( this, data, index );
-                       }
-
-                       for ( index = timers.length; index--; ) {
-                               if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
-                                       if ( gotoEnd ) {
-
-                                               // force the next step to be the last
-                                               timers[ index ]( true );
-                                       } else {
-                                               timers[ index ].saveState();
-                                       }
-                                       hadTimers = true;
-                                       timers.splice( index, 1 );
-                               }
-                       }
-
-                       // start the next in the queue if the last step wasn't forced
-                       // timers currently will call their complete callbacks, which will dequeue
-                       // but only if they were gotoEnd
-                       if ( !( gotoEnd && hadTimers ) ) {
-                               jQuery.dequeue( this, type );
-                       }
-               });
-       }
-
-});
-
-// Animations created synchronously will run synchronously
-function createFxNow() {
-       setTimeout( clearFxNow, 0 );
-       return ( fxNow = jQuery.now() );
-}
-
-function clearFxNow() {
-       fxNow = undefined;
-}
-
-// Generate parameters to create a standard animation
-function genFx( type, num ) {
-       var obj = {};
-
-       jQuery.each( fxAttrs.concat.apply([], fxAttrs.slice( 0, num )), function() {
-               obj[ this ] = type;
-       });
-
-       return obj;
-}
-
-// Generate shortcuts for custom animations
-jQuery.each({
-       slideDown: genFx( "show", 1 ),
-       slideUp: genFx( "hide", 1 ),
-       slideToggle: genFx( "toggle", 1 ),
-       fadeIn: { opacity: "show" },
-       fadeOut: { opacity: "hide" },
-       fadeToggle: { opacity: "toggle" }
-}, function( name, props ) {
-       jQuery.fn[ name ] = function( speed, easing, callback ) {
-               return this.animate( props, speed, easing, callback );
+       });
+}
+var fxNow, timerId,
+       rfxtypes = /^(?:toggle|show|hide)$/,
+       rfxnum = new RegExp( "^(?:([-+])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
+       rrun = /queueHooks$/,
+       animationPrefilters = [ defaultPrefilter ],
+       tweeners = {
+               "*": [function( prop, value ) {
+                       var end, unit, prevScale,
+                               tween = this.createTween( prop, value ),
+                               parts = rfxnum.exec( value ),
+                               target = tween.cur(),
+                               start = +target || 0,
+                               scale = 1;
+
+                       if ( parts ) {
+                               end = +parts[2];
+                               unit = parts[3] || ( jQuery.cssNumber[ prop ] ? "" : "px" );
+
+                               // We need to compute starting value
+                               if ( unit !== "px" && start ) {
+                                       // Iteratively approximate from a nonzero starting point
+                                       // Prefer the current property, because this process will be trivial if it uses the same units
+                                       // Fallback to end or a simple constant
+                                       start = jQuery.css( tween.elem, prop, true ) || end || 1;
+
+                                       do {
+                                               // If previous iteration zeroed out, double until we get *something*
+                                               // Use a string for doubling factor so we don't accidentally see scale as unchanged below
+                                               prevScale = scale = scale || ".5";
+
+                                               // Adjust and apply
+                                               start = start / scale;
+                                               jQuery.style( tween.elem, prop, start + unit );
+
+                                               // Update scale, tolerating zeroes from tween.cur()
+                                               scale = tween.cur() / target;
+
+                                       // Stop looping if we've hit the mark or scale is unchanged
+                                       } while ( scale !== 1 && scale !== prevScale );
+                               }
+
+                               tween.unit = unit;
+                               tween.start = start;
+                               // If a +=/-= token was provided, we're doing a relative animation
+                               tween.end = parts[1] ? start + ( parts[1] + 1 ) * end : end;
+                       }
+                       return tween;
+               }]
        };
-});
 
-jQuery.extend({
-       speed: function( speed, easing, fn ) {
-               var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
-                       complete: fn || !fn && easing ||
-                               jQuery.isFunction( speed ) && speed,
-                       duration: speed,
-                       easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
-               };
+// Animations created synchronously will run synchronously
+function createFxNow() {
+       setTimeout(function() {
+               fxNow = undefined;
+       }, 0 );
+       return ( fxNow = jQuery.now() );
+}
 
-               opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
-                       opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
+function createTweens( animation, props ) {
+       jQuery.each( props, function( prop, value ) {
+               var collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
+                       index = 0,
+                       length = collection.length;
+               for ( ; index < length; index++ ) {
+                       if ( collection[ index ].call( animation, prop, value ) ) {
 
-               // normalize opt.queue - true/undefined/null -> "fx"
-               if ( opt.queue == null || opt.queue === true ) {
-                       opt.queue = "fx";
+                               // we're done with this property
+                               return;
+                       }
                }
+       });
+}
 
-               // Queueing
-               opt.old = opt.complete;
-
-               opt.complete = function( noUnmark ) {
-                       if ( jQuery.isFunction( opt.old ) ) {
-                               opt.old.call( this );
+function Animation( elem, properties, options ) {
+       var result,
+               index = 0,
+               tweenerIndex = 0,
+               length = animationPrefilters.length,
+               deferred = jQuery.Deferred().always( function() {
+                       // don't match elem in the :animated selector
+                       delete tick.elem;
+               }),
+               tick = function() {
+                       var currentTime = fxNow || createFxNow(),
+                               remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
+                               percent = 1 - ( remaining / animation.duration || 0 ),
+                               index = 0,
+                               length = animation.tweens.length;
+
+                       for ( ; index < length ; index++ ) {
+                               animation.tweens[ index ].run( percent );
+                       }
+
+                       deferred.notifyWith( elem, [ animation, percent, remaining ]);
+
+                       if ( percent < 1 && length ) {
+                               return remaining;
+                       } else {
+                               deferred.resolveWith( elem, [ animation ] );
+                               return false;
                        }
+               },
+               animation = deferred.promise({
+                       elem: elem,
+                       props: jQuery.extend( {}, properties ),
+                       opts: jQuery.extend( true, { specialEasing: {} }, options ),
+                       originalProperties: properties,
+                       originalOptions: options,
+                       startTime: fxNow || createFxNow(),
+                       duration: options.duration,
+                       tweens: [],
+                       createTween: function( prop, end, easing ) {
+                               var tween = jQuery.Tween( elem, animation.opts, prop, end,
+                                               animation.opts.specialEasing[ prop ] || animation.opts.easing );
+                               animation.tweens.push( tween );
+                               return tween;
+                       },
+                       stop: function( gotoEnd ) {
+                               var index = 0,
+                                       // if we are going to the end, we want to run all the tweens
+                                       // otherwise we skip this part
+                                       length = gotoEnd ? animation.tweens.length : 0;
+
+                               for ( ; index < length ; index++ ) {
+                                       animation.tweens[ index ].run( 1 );
+                               }
 
-                       if ( opt.queue ) {
-                               jQuery.dequeue( this, opt.queue );
-                       } else if ( noUnmark !== false ) {
-                               jQuery._unmark( this );
+                               // resolve when we played the last frame
+                               // otherwise, reject
+                               if ( gotoEnd ) {
+                                       deferred.resolveWith( elem, [ animation, gotoEnd ] );
+                               } else {
+                                       deferred.rejectWith( elem, [ animation, gotoEnd ] );
+                               }
+                               return this;
                        }
-               };
+               }),
+               props = animation.props;
 
-               return opt;
-       },
+       propFilter( props, animation.opts.specialEasing );
 
-       easing: {
-               linear: function( p ) {
-                       return p;
-               },
-               swing: function( p ) {
-                       return ( -Math.cos( p*Math.PI ) / 2 ) + 0.5;
+       for ( ; index < length ; index++ ) {
+               result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
+               if ( result ) {
+                       return result;
                }
-       },
-
-       timers: [],
+       }
 
-       fx: function( elem, options, prop ) {
-               this.options = options;
-               this.elem = elem;
-               this.prop = prop;
+       createTweens( animation, props );
 
-               options.orig = options.orig || {};
+       if ( jQuery.isFunction( animation.opts.start ) ) {
+               animation.opts.start.call( elem, animation );
        }
 
-});
+       jQuery.fx.timer(
+               jQuery.extend( tick, {
+                       anim: animation,
+                       queue: animation.opts.queue,
+                       elem: elem
+               })
+       );
 
-jQuery.fx.prototype = {
-       // Simple function for setting a style value
-       update: function() {
-               if ( this.options.step ) {
-                       this.options.step.call( this.elem, this.now, this );
-               }
+       // attach callbacks from options
+       return animation.progress( animation.opts.progress )
+               .done( animation.opts.done, animation.opts.complete )
+               .fail( animation.opts.fail )
+               .always( animation.opts.always );
+}
 
-               ( jQuery.fx.step[ this.prop ] || jQuery.fx.step._default )( this );
-       },
+function propFilter( props, specialEasing ) {
+       var index, name, easing, value, hooks;
 
-       // Get the current size
-       cur: function() {
-               if ( this.elem[ this.prop ] != null && (!this.elem.style || this.elem.style[ this.prop ] == null) ) {
-                       return this.elem[ this.prop ];
+       // camelCase, specialEasing and expand cssHook pass
+       for ( index in props ) {
+               name = jQuery.camelCase( index );
+               easing = specialEasing[ name ];
+               value = props[ index ];
+               if ( jQuery.isArray( value ) ) {
+                       easing = value[ 1 ];
+                       value = props[ index ] = value[ 0 ];
                }
 
-               var parsed,
-                       r = jQuery.css( this.elem, this.prop );
-               // Empty strings, null, undefined and "auto" are converted to 0,
-               // complex values such as "rotate(1rad)" are returned as is,
-               // simple values such as "10px" are parsed to Float.
-               return isNaN( parsed = parseFloat( r ) ) ? !r || r === "auto" ? 0 : r : parsed;
-       },
-
-       // Start an animation from one number to another
-       custom: function( from, to, unit ) {
-               var self = this,
-                       fx = jQuery.fx;
-
-               this.startTime = fxNow || createFxNow();
-               this.end = to;
-               this.now = this.start = from;
-               this.pos = this.state = 0;
-               this.unit = unit || this.unit || ( jQuery.cssNumber[ this.prop ] ? "" : "px" );
-
-               function t( gotoEnd ) {
-                       return self.step( gotoEnd );
+               if ( index !== name ) {
+                       props[ name ] = value;
+                       delete props[ index ];
                }
 
-               t.queue = this.options.queue;
-               t.elem = this.elem;
-               t.saveState = function() {
-                       if ( jQuery._data( self.elem, "fxshow" + self.prop ) === undefined ) {
-                               if ( self.options.hide ) {
-                                       jQuery._data( self.elem, "fxshow" + self.prop, self.start );
-                               } else if ( self.options.show ) {
-                                       jQuery._data( self.elem, "fxshow" + self.prop, self.end );
+               hooks = jQuery.cssHooks[ name ];
+               if ( hooks && "expand" in hooks ) {
+                       value = hooks.expand( value );
+                       delete props[ name ];
+
+                       // not quite $.extend, this wont overwrite keys already present.
+                       // also - reusing 'index' from above because we have the correct "name"
+                       for ( index in value ) {
+                               if ( !( index in props ) ) {
+                                       props[ index ] = value[ index ];
+                                       specialEasing[ index ] = easing;
                                }
                        }
-               };
-
-               if ( t() && jQuery.timers.push(t) && !timerId ) {
-                       timerId = setInterval( fx.tick, fx.interval );
+               } else {
+                       specialEasing[ name ] = easing;
                }
-       },
-
-       // Simple 'show' function
-       show: function() {
-               var dataShow = jQuery._data( this.elem, "fxshow" + this.prop );
+       }
+}
 
-               // Remember where we started, so that we can go back to it later
-               this.options.orig[ this.prop ] = dataShow || jQuery.style( this.elem, this.prop );
-               this.options.show = true;
+jQuery.Animation = jQuery.extend( Animation, {
 
-               // Begin the animation
-               // Make sure that we start at a small width/height to avoid any flash of content
-               if ( dataShow !== undefined ) {
-                       // This show is picking up where a previous hide or show left off
-                       this.custom( this.cur(), dataShow );
+       tweener: function( props, callback ) {
+               if ( jQuery.isFunction( props ) ) {
+                       callback = props;
+                       props = [ "*" ];
                } else {
-                       this.custom( this.prop === "width" || this.prop === "height" ? 1 : 0, this.cur() );
+                       props = props.split(" ");
                }
 
-               // Start by showing the element
-               jQuery( this.elem ).show();
-       },
-
-       // Simple 'hide' function
-       hide: function() {
-               // Remember where we started, so that we can go back to it later
-               this.options.orig[ this.prop ] = jQuery._data( this.elem, "fxshow" + this.prop ) || jQuery.style( this.elem, this.prop );
-               this.options.hide = true;
+               var prop,
+                       index = 0,
+                       length = props.length;
 
-               // Begin the animation
-               this.custom( this.cur(), 0 );
+               for ( ; index < length ; index++ ) {
+                       prop = props[ index ];
+                       tweeners[ prop ] = tweeners[ prop ] || [];
+                       tweeners[ prop ].unshift( callback );
+               }
        },
 
-       // Each step of an animation
-       step: function( gotoEnd ) {
-               var p, n, complete,
-                       t = fxNow || createFxNow(),
-                       done = true,
-                       elem = this.elem,
-                       options = this.options;
-
-               if ( gotoEnd || t >= options.duration + this.startTime ) {
-                       this.now = this.end;
-                       this.pos = this.state = 1;
-                       this.update();
+       prefilter: function( callback, prepend ) {
+               if ( prepend ) {
+                       animationPrefilters.unshift( callback );
+               } else {
+                       animationPrefilters.push( callback );
+               }
+       }
+});
 
-                       options.animatedProperties[ this.prop ] = true;
+function defaultPrefilter( elem, props, opts ) {
+       var index, prop, value, length, dataShow, tween, hooks, oldfire,
+               anim = this,
+               style = elem.style,
+               orig = {},
+               handled = [],
+               hidden = elem.nodeType && isHidden( elem );
+
+       // handle queue: false promises
+       if ( !opts.queue ) {
+               hooks = jQuery._queueHooks( elem, "fx" );
+               if ( hooks.unqueued == null ) {
+                       hooks.unqueued = 0;
+                       oldfire = hooks.empty.fire;
+                       hooks.empty.fire = function() {
+                               if ( !hooks.unqueued ) {
+                                       oldfire();
+                               }
+                       };
+               }
+               hooks.unqueued++;
 
-                       for ( p in options.animatedProperties ) {
-                               if ( options.animatedProperties[ p ] !== true ) {
-                                       done = false;
+               anim.always(function() {
+                       // doing this makes sure that the complete handler will be called
+                       // before this completes
+                       anim.always(function() {
+                               hooks.unqueued--;
+                               if ( !jQuery.queue( elem, "fx" ).length ) {
+                                       hooks.empty.fire();
                                }
-                       }
+                       });
+               });
+       }
 
-                       if ( done ) {
-                               // Reset the overflow
-                               if ( options.overflow != null && !jQuery.support.shrinkWrapBlocks ) {
+       // height/width overflow pass
+       if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
+               // Make sure that nothing sneaks out
+               // Record all 3 overflow attributes because IE does not
+               // change the overflow attribute when overflowX and
+               // overflowY are set to the same value
+               opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
 
-                                       jQuery.each( [ "", "X", "Y" ], function( index, value ) {
-                                               elem.style[ "overflow" + value ] = options.overflow[ index ];
-                                       });
-                               }
+               // Set display property to inline-block for height/width
+               // animations on inline elements that are having width/height animated
+               if ( jQuery.css( elem, "display" ) === "inline" &&
+                               jQuery.css( elem, "float" ) === "none" ) {
 
-                               // Hide the element if the "hide" operation was done
-                               if ( options.hide ) {
-                                       jQuery( elem ).hide();
-                               }
+                       // inline-level elements accept inline-block;
+                       // block-level elements need to be inline with layout
+                       if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
+                               style.display = "inline-block";
 
-                               // Reset the properties, if the item has been hidden or shown
-                               if ( options.hide || options.show ) {
-                                       for ( p in options.animatedProperties ) {
-                                               jQuery.style( elem, p, options.orig[ p ] );
-                                               jQuery.removeData( elem, "fxshow" + p, true );
-                                               // Toggle data is no longer needed
-                                               jQuery.removeData( elem, "toggle" + p, true );
-                                       }
-                               }
+                       } else {
+                               style.zoom = 1;
+                       }
+               }
+       }
 
-                               // Execute the complete function
-                               // in the event that the complete function throws an exception
-                               // we must ensure it won't be called twice. #5684
+       if ( opts.overflow ) {
+               style.overflow = "hidden";
+               if ( !jQuery.support.shrinkWrapBlocks ) {
+                       anim.done(function() {
+                               style.overflow = opts.overflow[ 0 ];
+                               style.overflowX = opts.overflow[ 1 ];
+                               style.overflowY = opts.overflow[ 2 ];
+                       });
+               }
+       }
 
-                               complete = options.complete;
-                               if ( complete ) {
 
-                                       options.complete = false;
-                                       complete.call( elem );
-                               }
+       // show/hide pass
+       for ( index in props ) {
+               value = props[ index ];
+               if ( rfxtypes.exec( value ) ) {
+                       delete props[ index ];
+                       if ( value === ( hidden ? "hide" : "show" ) ) {
+                               continue;
                        }
+                       handled.push( index );
+               }
+       }
 
-                       return false;
-
+       length = handled.length;
+       if ( length ) {
+               dataShow = jQuery._data( elem, "fxshow" ) || jQuery._data( elem, "fxshow", {} );
+               if ( hidden ) {
+                       jQuery( elem ).show();
                } else {
-                       // classical easing cannot be used with an Infinity duration
-                       if ( options.duration == Infinity ) {
-                               this.now = t;
-                       } else {
-                               n = t - this.startTime;
-                               this.state = n / options.duration;
+                       anim.done(function() {
+                               jQuery( elem ).hide();
+                       });
+               }
+               anim.done(function() {
+                       var prop;
+                       jQuery.removeData( elem, "fxshow", true );
+                       for ( prop in orig ) {
+                               jQuery.style( elem, prop, orig[ prop ] );
+                       }
+               });
+               for ( index = 0 ; index < length ; index++ ) {
+                       prop = handled[ index ];
+                       tween = anim.createTween( prop, hidden ? dataShow[ prop ] : 0 );
+                       orig[ prop ] = dataShow[ prop ] || jQuery.style( elem, prop );
 
-                               // Perform the easing function, defaults to swing
-                               this.pos = jQuery.easing[ options.animatedProperties[this.prop] ]( this.state, n, 0, 1, options.duration );
-                               this.now = this.start + ( (this.end - this.start) * this.pos );
+                       if ( !( prop in dataShow ) ) {
+                               dataShow[ prop ] = tween.start;
+                               if ( hidden ) {
+                                       tween.end = tween.start;
+                                       tween.start = prop === "width" || prop === "height" ? 1 : 0;
+                               }
                        }
-                       // Perform the next step of the animation
-                       this.update();
                }
-
-               return true;
        }
-};
+}
 
-jQuery.extend( jQuery.fx, {
-       tick: function() {
-               var timer,
-                       timers = jQuery.timers,
-                       i = 0;
+function Tween( elem, options, prop, end, easing ) {
+       return new Tween.prototype.init( elem, options, prop, end, easing );
+}
+jQuery.Tween = Tween;
 
-               for ( ; i < timers.length; i++ ) {
-                       timer = timers[ i ];
-                       // Checks the timer has not already been removed
-                       if ( !timer() && timers[ i ] === timer ) {
-                               timers.splice( i--, 1 );
-                       }
+Tween.prototype = {
+       constructor: Tween,
+       init: function( elem, options, prop, end, easing, unit ) {
+               this.elem = elem;
+               this.prop = prop;
+               this.easing = easing || "swing";
+               this.options = options;
+               this.start = this.now = this.cur();
+               this.end = end;
+               this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
+       },
+       cur: function() {
+               var hooks = Tween.propHooks[ this.prop ];
+
+               return hooks && hooks.get ?
+                       hooks.get( this ) :
+                       Tween.propHooks._default.get( this );
+       },
+       run: function( percent ) {
+               var eased,
+                       hooks = Tween.propHooks[ this.prop ];
+
+               this.pos = eased = jQuery.easing[ this.easing ]( percent, this.options.duration * percent, 0, 1, this.options.duration );
+               this.now = ( this.end - this.start ) * eased + this.start;
+
+               if ( this.options.step ) {
+                       this.options.step.call( this.elem, this.now, this );
                }
 
-               if ( !timers.length ) {
-                       jQuery.fx.stop();
+               if ( hooks && hooks.set ) {
+                       hooks.set( this );
+               } else {
+                       Tween.propHooks._default.set( this );
                }
-       },
+               return this;
+       }
+};
 
-       interval: 13,
+Tween.prototype.init.prototype = Tween.prototype;
 
-       stop: function() {
-               clearInterval( timerId );
-               timerId = null;
-       },
+Tween.propHooks = {
+       _default: {
+               get: function( tween ) {
+                       var result;
 
-       speeds: {
-               slow: 600,
-               fast: 200,
-               // Default speed
-               _default: 400
-       },
+                       if ( tween.elem[ tween.prop ] != null &&
+                               (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
+                               return tween.elem[ tween.prop ];
+                       }
 
-       step: {
-               opacity: function( fx ) {
-                       jQuery.style( fx.elem, "opacity", fx.now );
+                       // passing any value as a 4th parameter to .css will automatically
+                       // attempt a parseFloat and fallback to a string if the parse fails
+                       // so, simple values such as "10px" are parsed to Float.
+                       // complex values such as "rotate(1rad)" are returned as is.
+                       result = jQuery.css( tween.elem, tween.prop, false, "" );
+                       // Empty strings, null, undefined and "auto" are converted to 0.
+                       return !result || result === "auto" ? 0 : result;
                },
-
-               _default: function( fx ) {
-                       if ( fx.elem.style && fx.elem.style[ fx.prop ] != null ) {
-                               fx.elem.style[ fx.prop ] = fx.now + fx.unit;
+               set: function( tween ) {
+                       // use step hook for back compat - use cssHook if its there - use .style if its
+                       // available and use plain properties where available
+                       if ( jQuery.fx.step[ tween.prop ] ) {
+                               jQuery.fx.step[ tween.prop ]( tween );
+                       } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
+                               jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
                        } else {
-                               fx.elem[ fx.prop ] = fx.now;
+                               tween.elem[ tween.prop ] = tween.now;
                        }
                }
        }
-});
+};
 
-// Ensure props that can't be negative don't go there on undershoot easing
-jQuery.each( fxAttrs.concat.apply( [], fxAttrs ), function( i, prop ) {
-       // exclude marginTop, marginLeft, marginBottom and marginRight from this list
-       if ( prop.indexOf( "margin" ) ) {
-               jQuery.fx.step[ prop ] = function( fx ) {
-                       jQuery.style( fx.elem, prop, Math.max(0, fx.now) + fx.unit );
-               };
+// Remove in 2.0 - this supports IE8's panic based approach
+// to setting things on disconnected nodes
+
+Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
+       set: function( tween ) {
+               if ( tween.elem.nodeType && tween.elem.parentNode ) {
+                       tween.elem[ tween.prop ] = tween.now;
+               }
        }
-});
+};
 
-if ( jQuery.expr && jQuery.expr.filters ) {
-       jQuery.expr.filters.animated = function( elem ) {
-               return jQuery.grep(jQuery.timers, function( fn ) {
-                       return elem === fn.elem;
-               }).length;
+jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
+       var cssFn = jQuery.fn[ name ];
+       jQuery.fn[ name ] = function( speed, easing, callback ) {
+               return speed == null || typeof speed === "boolean" ||
+                       // special check for .toggle( handler, handler, ... )
+                       ( !i && jQuery.isFunction( speed ) && jQuery.isFunction( easing ) ) ?
+                       cssFn.apply( this, arguments ) :
+                       this.animate( genFx( name, true ), speed, easing, callback );
        };
-}
+});
 
-// Try to restore the default display value of an element
-function defaultDisplay( nodeName ) {
+jQuery.fn.extend({
+       fadeTo: function( speed, to, easing, callback ) {
 
-       if ( !elemdisplay[ nodeName ] ) {
+               // show any hidden elements after setting opacity to 0
+               return this.filter( isHidden ).css( "opacity", 0 ).show()
 
-               var body = document.body,
-                       elem = jQuery( "<" + nodeName + ">" ).appendTo( body ),
-                       display = elem.css( "display" );
-               elem.remove();
+                       // animate to the value specified
+                       .end().animate({ opacity: to }, speed, easing, callback );
+       },
+       animate: function( prop, speed, easing, callback ) {
+               var empty = jQuery.isEmptyObject( prop ),
+                       optall = jQuery.speed( speed, easing, callback ),
+                       doAnimation = function() {
+                               // Operate on a copy of prop so per-property easing won't be lost
+                               var anim = Animation( this, jQuery.extend( {}, prop ), optall );
 
-               // If the simple way fails,
-               // get element's real default display by attaching it to a temp iframe
-               if ( display === "none" || display === "" ) {
-                       // No iframe to use yet, so create it
-                       if ( !iframe ) {
-                               iframe = document.createElement( "iframe" );
-                               iframe.frameBorder = iframe.width = iframe.height = 0;
-                       }
+                               // Empty animations resolve immediately
+                               if ( empty ) {
+                                       anim.stop( true );
+                               }
+                       };
 
-                       body.appendChild( iframe );
+               return empty || optall.queue === false ?
+                       this.each( doAnimation ) :
+                       this.queue( optall.queue, doAnimation );
+       },
+       stop: function( type, clearQueue, gotoEnd ) {
+               var stopQueue = function( hooks ) {
+                       var stop = hooks.stop;
+                       delete hooks.stop;
+                       stop( gotoEnd );
+               };
+
+               if ( typeof type !== "string" ) {
+                       gotoEnd = clearQueue;
+                       clearQueue = type;
+                       type = undefined;
+               }
+               if ( clearQueue && type !== false ) {
+                       this.queue( type || "fx", [] );
+               }
+
+               return this.each(function() {
+                       var dequeue = true,
+                               index = type != null && type + "queueHooks",
+                               timers = jQuery.timers,
+                               data = jQuery._data( this );
 
-                       // Create a cacheable copy of the iframe document on first call.
-                       // IE and Opera will allow us to reuse the iframeDoc without re-writing the fake HTML
-                       // document to it; WebKit & Firefox won't allow reusing the iframe document.
-                       if ( !iframeDoc || !iframe.createElement ) {
-                               iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
-                               iframeDoc.write( ( jQuery.support.boxModel ? "<!doctype html>" : "" ) + "<html><body>" );
-                               iframeDoc.close();
+                       if ( index ) {
+                               if ( data[ index ] && data[ index ].stop ) {
+                                       stopQueue( data[ index ] );
+                               }
+                       } else {
+                               for ( index in data ) {
+                                       if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
+                                               stopQueue( data[ index ] );
+                                       }
+                               }
                        }
 
-                       elem = iframeDoc.createElement( nodeName );
+                       for ( index = timers.length; index--; ) {
+                               if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
+                                       timers[ index ].anim.stop( gotoEnd );
+                                       dequeue = false;
+                                       timers.splice( index, 1 );
+                               }
+                       }
 
-                       iframeDoc.body.appendChild( elem );
+                       // start the next in the queue if the last step wasn't forced
+                       // timers currently will call their complete callbacks, which will dequeue
+                       // but only if they were gotoEnd
+                       if ( dequeue || !gotoEnd ) {
+                               jQuery.dequeue( this, type );
+                       }
+               });
+       }
+});
 
-                       display = jQuery.css( elem, "display" );
-                       body.removeChild( iframe );
-               }
+// Generate parameters to create a standard animation
+function genFx( type, includeWidth ) {
+       var which,
+               attrs = { height: type },
+               i = 0;
+
+       // if we include width, step value is 1 to do all cssExpand values,
+       // if we don't include width, step value is 2 to skip over Left and Right
+       for( ; i < 4 ; i += 2 - includeWidth ) {
+               which = cssExpand[ i ];
+               attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
+       }
 
-               // Store the correct default display
-               elemdisplay[ nodeName ] = display;
+       if ( includeWidth ) {
+               attrs.opacity = attrs.width = type;
        }
 
-       return elemdisplay[ nodeName ];
+       return attrs;
 }
 
+// Generate shortcuts for custom animations
+jQuery.each({
+       slideDown: genFx("show"),
+       slideUp: genFx("hide"),
+       slideToggle: genFx("toggle"),
+       fadeIn: { opacity: "show" },
+       fadeOut: { opacity: "hide" },
+       fadeToggle: { opacity: "toggle" }
+}, function( name, props ) {
+       jQuery.fn[ name ] = function( speed, easing, callback ) {
+               return this.animate( props, speed, easing, callback );
+       };
+});
 
+jQuery.speed = function( speed, easing, fn ) {
+       var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
+               complete: fn || !fn && easing ||
+                       jQuery.isFunction( speed ) && speed,
+               duration: speed,
+               easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
+       };
 
+       opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
+               opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
 
-var getOffset,
-       rtable = /^t(?:able|d|h)$/i,
-       rroot = /^(?:body|html)$/i;
+       // normalize opt.queue - true/undefined/null -> "fx"
+       if ( opt.queue == null || opt.queue === true ) {
+               opt.queue = "fx";
+       }
 
-if ( "getBoundingClientRect" in document.documentElement ) {
-       getOffset = function( elem, doc, docElem, box ) {
-               try {
-                       box = elem.getBoundingClientRect();
-               } catch(e) {}
+       // Queueing
+       opt.old = opt.complete;
 
-               // Make sure we're not dealing with a disconnected DOM node
-               if ( !box || !jQuery.contains( docElem, elem ) ) {
-                       return box ? { top: box.top, left: box.left } : { top: 0, left: 0 };
+       opt.complete = function() {
+               if ( jQuery.isFunction( opt.old ) ) {
+                       opt.old.call( this );
                }
 
-               var body = doc.body,
-                       win = getWindow( doc ),
-                       clientTop  = docElem.clientTop  || body.clientTop  || 0,
-                       clientLeft = docElem.clientLeft || body.clientLeft || 0,
-                       scrollTop  = win.pageYOffset || jQuery.support.boxModel && docElem.scrollTop  || body.scrollTop,
-                       scrollLeft = win.pageXOffset || jQuery.support.boxModel && docElem.scrollLeft || body.scrollLeft,
-                       top  = box.top  + scrollTop  - clientTop,
-                       left = box.left + scrollLeft - clientLeft;
-
-               return { top: top, left: left };
+               if ( opt.queue ) {
+                       jQuery.dequeue( this, opt.queue );
+               }
        };
 
-} else {
-       getOffset = function( elem, doc, docElem ) {
-               var computedStyle,
-                       offsetParent = elem.offsetParent,
-                       prevOffsetParent = elem,
-                       body = doc.body,
-                       defaultView = doc.defaultView,
-                       prevComputedStyle = defaultView ? defaultView.getComputedStyle( elem, null ) : elem.currentStyle,
-                       top = elem.offsetTop,
-                       left = elem.offsetLeft;
-
-               while ( (elem = elem.parentNode) && elem !== body && elem !== docElem ) {
-                       if ( jQuery.support.fixedPosition && prevComputedStyle.position === "fixed" ) {
-                               break;
-                       }
+       return opt;
+};
 
-                       computedStyle = defaultView ? defaultView.getComputedStyle(elem, null) : elem.currentStyle;
-                       top  -= elem.scrollTop;
-                       left -= elem.scrollLeft;
+jQuery.easing = {
+       linear: function( p ) {
+               return p;
+       },
+       swing: function( p ) {
+               return 0.5 - Math.cos( p*Math.PI ) / 2;
+       }
+};
 
-                       if ( elem === offsetParent ) {
-                               top  += elem.offsetTop;
-                               left += elem.offsetLeft;
+jQuery.timers = [];
+jQuery.fx = Tween.prototype.init;
+jQuery.fx.tick = function() {
+       var timer,
+               timers = jQuery.timers,
+               i = 0;
 
-                               if ( jQuery.support.doesNotAddBorder && !(jQuery.support.doesAddBorderForTableAndCells && rtable.test(elem.nodeName)) ) {
-                                       top  += parseFloat( computedStyle.borderTopWidth  ) || 0;
-                                       left += parseFloat( computedStyle.borderLeftWidth ) || 0;
-                               }
+       for ( ; i < timers.length; i++ ) {
+               timer = timers[ i ];
+               // Checks the timer has not already been removed
+               if ( !timer() && timers[ i ] === timer ) {
+                       timers.splice( i--, 1 );
+               }
+       }
 
-                               prevOffsetParent = offsetParent;
-                               offsetParent = elem.offsetParent;
-                       }
+       if ( !timers.length ) {
+               jQuery.fx.stop();
+       }
+};
 
-                       if ( jQuery.support.subtractsBorderForOverflowNotVisible && computedStyle.overflow !== "visible" ) {
-                               top  += parseFloat( computedStyle.borderTopWidth  ) || 0;
-                               left += parseFloat( computedStyle.borderLeftWidth ) || 0;
-                       }
+jQuery.fx.timer = function( timer ) {
+       if ( timer() && jQuery.timers.push( timer ) && !timerId ) {
+               timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
+       }
+};
 
-                       prevComputedStyle = computedStyle;
-               }
+jQuery.fx.interval = 13;
 
-               if ( prevComputedStyle.position === "relative" || prevComputedStyle.position === "static" ) {
-                       top  += body.offsetTop;
-                       left += body.offsetLeft;
-               }
+jQuery.fx.stop = function() {
+       clearInterval( timerId );
+       timerId = null;
+};
 
-               if ( jQuery.support.fixedPosition && prevComputedStyle.position === "fixed" ) {
-                       top  += Math.max( docElem.scrollTop, body.scrollTop );
-                       left += Math.max( docElem.scrollLeft, body.scrollLeft );
-               }
+jQuery.fx.speeds = {
+       slow: 600,
+       fast: 200,
+       // Default speed
+       _default: 400
+};
 
-               return { top: top, left: left };
+// Back Compat <1.8 extension point
+jQuery.fx.step = {};
+
+if ( jQuery.expr && jQuery.expr.filters ) {
+       jQuery.expr.filters.animated = function( elem ) {
+               return jQuery.grep(jQuery.timers, function( fn ) {
+                       return elem === fn.elem;
+               }).length;
        };
 }
+var rroot = /^(?:body|html)$/i;
 
 jQuery.fn.offset = function( options ) {
        if ( arguments.length ) {
@@ -9150,18 +8995,35 @@ jQuery.fn.offset = function( options ) {
                        });
        }
 
-       var elem = this[0],
+       var box, docElem, body, win, clientTop, clientLeft, scrollTop, scrollLeft, top, left,
+               elem = this[ 0 ],
                doc = elem && elem.ownerDocument;
 
        if ( !doc ) {
-               return null;
+               return;
        }
 
-       if ( elem === doc.body ) {
+       if ( (body = doc.body) === elem ) {
                return jQuery.offset.bodyOffset( elem );
        }
 
-       return getOffset( elem, doc, doc.documentElement );
+       docElem = doc.documentElement;
+
+       // Make sure we're not dealing with a disconnected DOM node
+       if ( !jQuery.contains( docElem, elem ) ) {
+               return { top: 0, left: 0 };
+       }
+
+       box = elem.getBoundingClientRect();
+       win = getWindow( doc );
+       clientTop  = docElem.clientTop  || body.clientTop  || 0;
+       clientLeft = docElem.clientLeft || body.clientLeft || 0;
+       scrollTop  = win.pageYOffset || docElem.scrollTop;
+       scrollLeft = win.pageXOffset || docElem.scrollLeft;
+       top  = box.top  + scrollTop  - clientTop;
+       left = box.left + scrollLeft - clientLeft;
+
+       return { top: top, left: left };
 };
 
 jQuery.offset = {
@@ -9227,7 +9089,7 @@ jQuery.fn.extend({
 
        position: function() {
                if ( !this[0] ) {
-                       return null;
+                       return;
                }
 
                var elem = this[0],
@@ -9262,7 +9124,7 @@ jQuery.fn.extend({
                        while ( offsetParent && (!rroot.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) {
                                offsetParent = offsetParent.offsetParent;
                        }
-                       return offsetParent;
+                       return offsetParent || document.body;
                });
        }
 });
@@ -9278,8 +9140,7 @@ jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( me
 
                        if ( val === undefined ) {
                                return win ? (prop in win) ? win[ prop ] :
-                                       jQuery.support.boxModel && win.document.documentElement[ method ] ||
-                                               win.document.body[ method ] :
+                                       win.document.documentElement[ method ] :
                                        elem[ method ];
                        }
 
@@ -9303,83 +9164,47 @@ function getWindow( elem ) {
                        elem.defaultView || elem.parentWindow :
                        false;
 }
-
-
-
-
-// Create width, height, innerHeight, innerWidth, outerHeight and outerWidth methods
+// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
-       var clientProp = "client" + name,
-               scrollProp = "scroll" + name,
-               offsetProp = "offset" + name;
-
-       // innerHeight and innerWidth
-       jQuery.fn[ "inner" + name ] = function() {
-               var elem = this[0];
-               return elem ?
-                       elem.style ?
-                       parseFloat( jQuery.css( elem, type, "padding" ) ) :
-                       this[ type ]() :
-                       null;
-       };
-
-       // outerHeight and outerWidth
-       jQuery.fn[ "outer" + name ] = function( margin ) {
-               var elem = this[0];
-               return elem ?
-                       elem.style ?
-                       parseFloat( jQuery.css( elem, type, margin ? "margin" : "border" ) ) :
-                       this[ type ]() :
-                       null;
-       };
-
-       jQuery.fn[ type ] = function( value ) {
-               return jQuery.access( this, function( elem, type, value ) {
-                       var doc, docElemProp, orig, ret;
-
-                       if ( jQuery.isWindow( elem ) ) {
-                               // 3rd condition allows Nokia support, as it supports the docElem prop but not CSS1Compat
-                               doc = elem.document;
-                               docElemProp = doc.documentElement[ clientProp ];
-                               return jQuery.support.boxModel && docElemProp ||
-                                       doc.body && doc.body[ clientProp ] || docElemProp;
-                       }
-
-                       // Get document width or height
-                       if ( elem.nodeType === 9 ) {
-                               // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
-                               doc = elem.documentElement;
-
-                               // when a window > document, IE6 reports a offset[Width/Height] > client[Width/Height]
-                               // so we can't use max, as it'll choose the incorrect offset[Width/Height]
-                               // instead we use the correct client[Width/Height]
-                               // support:IE6
-                               if ( doc[ clientProp ] >= doc[ scrollProp ] ) {
-                                       return doc[ clientProp ];
+       jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
+               // margin is only for outerHeight, outerWidth
+               jQuery.fn[ funcName ] = function( margin, value ) {
+                       var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
+                               extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
+
+                       return jQuery.access( this, function( elem, type, value ) {
+                               var doc;
+
+                               if ( jQuery.isWindow( elem ) ) {
+                                       // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
+                                       // isn't a whole lot we can do. See pull request at this URL for discussion:
+                                       // https://github.com/jquery/jquery/pull/764
+                                       return elem.document.documentElement[ "client" + name ];
+                               }
+
+                               // Get document width or height
+                               if ( elem.nodeType === 9 ) {
+                                       doc = elem.documentElement;
+
+                                       // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
+                                       // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
+                                       return Math.max(
+                                               elem.body[ "scroll" + name ], doc[ "scroll" + name ],
+                                               elem.body[ "offset" + name ], doc[ "offset" + name ],
+                                               doc[ "client" + name ]
+                                       );
                                }
 
-                               return Math.max(
-                                       elem.body[ scrollProp ], doc[ scrollProp ],
-                                       elem.body[ offsetProp ], doc[ offsetProp ]
-                               );
-                       }
-
-                       // Get width or height on the element
-                       if ( value === undefined ) {
-                               orig = jQuery.css( elem, type );
-                               ret = parseFloat( orig );
-                               return jQuery.isNumeric( ret ) ? ret : orig;
-                       }
+                               return value === undefined ?
+                                       // Get width or height on the element, requesting but not forcing parseFloat
+                                       jQuery.css( elem, type, value, extra ) :
 
-                       // Set the width or height on the element
-                       jQuery( elem ).css( type, value );
-               }, type, value, arguments.length, null );
-       };
+                                       // Set width or height on the element
+                                       jQuery.style( elem, type, value, extra );
+                       }, type, chainable ? margin : undefined, chainable );
+               };
+       });
 });
-
-
-
-
 // Expose jQuery to the global object
 window.jQuery = window.$ = jQuery;
 
@@ -9399,6 +9224,4 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
        define( "jquery", [], function () { return jQuery; } );
 }
 
-
-
 })( window );
index cd59833..47d3e71 100644 (file)
@@ -1204,7 +1204,7 @@ class ParserTest {
                        }
                }
 
-               $page->doEdit( $text, '', EDIT_NEW );
+               $page->doEditContent( ContentHandler::makeContent( $text, $title ), '', EDIT_NEW );
 
                $wgCapitalLinks = $oldCapitalLinks;
        }
index 49c2a70..3debb35 100644 (file)
@@ -207,11 +207,12 @@ abstract class MediaWikiTestCase extends PHPUnit_Framework_TestCase {
                //Make 1 page with 1 revision
                $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
                if ( !$page->getId() == 0 ) {
-                       $page->doEdit( 'UTContent',
-                                                       'UTPageSummary',
-                                                       EDIT_NEW,
-                                                       false,
-                                                       User::newFromName( 'UTSysop' ) );
+                       $page->doEditContent(
+                               new WikitextContent( 'UTContent' ),
+                               'UTPageSummary',
+                               EDIT_NEW,
+                               false,
+                               User::newFromName( 'UTSysop' ) );
                }
        }
 
index 17cee6e..967ffa1 100644 (file)
@@ -16,14 +16,14 @@ class ArticleTablesTest extends MediaWikiLangTestCase {
                $wgContLang = Language::factory( 'es' );
 
                $wgLang = Language::factory( 'fr' );
-               $status = $page->doEdit( '{{:{{int:history}}}}', 'Test code for bug 14404', 0, false, $user );
+               $status = $page->doEditContent( new WikitextContent( '{{:{{int:history}}}}' ), 'Test code for bug 14404', 0, false, $user );
                $templates1 = $title->getTemplateLinksFrom();
 
                $wgLang = Language::factory( 'de' );
                $page->mPreparedEdit = false; // In order to force the rerendering of the same wikitext
 
                // We need an edit, a purge is not enough to regenerate the tables
-               $status = $page->doEdit( '{{:{{int:history}}}}', 'Test code for bug 14404', EDIT_UPDATE, false, $user );
+               $status = $page->doEditContent( new WikitextContent( '{{:{{int:history}}}}' ), 'Test code for bug 14404', EDIT_UPDATE, false, $user );
                $templates2 = $title->getTemplateLinksFrom();
 
                $this->assertEquals( $templates1, $templates2 );
index 846d2b8..744417b 100644 (file)
@@ -54,6 +54,9 @@ class ArticleTest extends MediaWikiTestCase {
         * Checks for the existence of the backwards compatibility static functions (forwarders to WikiPage class)
         */
        function testStaticFunctions() {
+               $this->hideDeprecated( 'Article::getAutosummary' );
+               $this->hideDeprecated( 'WikiPage::getAutosummary' );
+
                $this->assertEquals( WikiPage::selectFields(), Article::selectFields(),
                        "Article static functions" );
                $this->assertEquals( true, is_callable( "Article::onArticleCreate" ),
diff --git a/tests/phpunit/includes/ContentHandlerTest.php b/tests/phpunit/includes/ContentHandlerTest.php
new file mode 100644 (file)
index 0000000..0dc1c1b
--- /dev/null
@@ -0,0 +1,411 @@
+<?php
+
+/**
+ * @group ContentHandler
+ *
+ * @note: Declare that we are using the database, because otherwise we'll fail in the "databaseless" test run.
+ * This is because the LinkHolderArray used by the parser needs database access.
+ *
+ * @group Database
+ */
+class ContentHandlerTest extends MediaWikiTestCase {
+
+       public function setUp() {
+               global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContentHandlers, $wgContLang;
+
+               $wgExtraNamespaces[ 12312 ] = 'Dummy';
+               $wgExtraNamespaces[ 12313 ] = 'Dummy_talk';
+
+               $wgNamespaceContentModels[ 12312 ] = "testing";
+               $wgContentHandlers[ "testing" ] = 'DummyContentHandlerForTesting';
+
+               MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
+               $wgContLang->resetNamespaces(); # reset namespace cache
+       }
+
+       public function tearDown() {
+               global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContentHandlers, $wgContLang;
+
+               unset( $wgExtraNamespaces[ 12312 ] );
+               unset( $wgExtraNamespaces[ 12313 ] );
+
+               unset( $wgNamespaceContentModels[ 12312 ] );
+               unset( $wgContentHandlers[ "testing" ] );
+
+               MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
+               $wgContLang->resetNamespaces(); # reset namespace cache
+       }
+
+       public function dataGetDefaultModelFor() {
+               return array(
+                       array( 'Foo', CONTENT_MODEL_WIKITEXT ),
+                       array( 'Foo.js', CONTENT_MODEL_WIKITEXT ),
+                       array( 'Foo/bar.js', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo.js', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo/bar.js', CONTENT_MODEL_JAVASCRIPT ),
+                       array( 'User:Foo/bar.css', CONTENT_MODEL_CSS ),
+                       array( 'User talk:Foo/bar.css', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo/bar.js.xxx', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo/bar.xxx', CONTENT_MODEL_WIKITEXT ),
+                       array( 'MediaWiki:Foo.js', CONTENT_MODEL_JAVASCRIPT ),
+                       array( 'MediaWiki:Foo.css', CONTENT_MODEL_CSS ),
+                       array( 'MediaWiki:Foo.JS', CONTENT_MODEL_WIKITEXT ),
+                       array( 'MediaWiki:Foo.CSS', CONTENT_MODEL_WIKITEXT ),
+                       array( 'MediaWiki:Foo.css.xxx', CONTENT_MODEL_WIKITEXT ),
+               );
+       }
+
+       /**
+        * @dataProvider dataGetDefaultModelFor
+        */
+       public function testGetDefaultModelFor( $title, $expectedModelId ) {
+               $title = Title::newFromText( $title );
+               $this->assertEquals( $expectedModelId, ContentHandler::getDefaultModelFor( $title ) );
+       }
+       /**
+        * @dataProvider dataGetDefaultModelFor
+        */
+       public function testGetForTitle( $title, $expectedContentModel ) {
+               $title = Title::newFromText( $title );
+               $handler = ContentHandler::getForTitle( $title );
+               $this->assertEquals( $expectedContentModel, $handler->getModelID() );
+       }
+
+       public function dataGetLocalizedName() {
+               return array(
+                       array( null, null ),
+                       array( "xyzzy", null ),
+
+                       array( CONTENT_MODEL_JAVASCRIPT, '/javascript/i' ), //XXX: depends on content language
+               );
+       }
+
+       /**
+        * @dataProvider dataGetLocalizedName
+        */
+       public function testGetLocalizedName( $id, $expected ) {
+               $name = ContentHandler::getLocalizedName( $id );
+
+               if ( $expected ) {
+                       $this->assertNotNull( $name, "no name found for content model $id" );
+                       $this->assertTrue( preg_match( $expected, $name ) > 0 ,
+                                                               "content model name for #$id did not match pattern $expected" );
+               } else {
+                       $this->assertEquals( $id, $name, "localization of unknown model $id should have "
+                                                                                       . "fallen back to use the model id directly." );
+               }
+       }
+
+       public function dataGetPageLanguage() {
+               global $wgLanguageCode;
+
+               return array(
+                       array( "Main", $wgLanguageCode ),
+                       array( "Dummy:Foo", $wgLanguageCode ),
+                       array( "MediaWiki:common.js", 'en' ),
+                       array( "User:Foo/common.js", 'en' ),
+                       array( "MediaWiki:common.css", 'en' ),
+                       array( "User:Foo/common.css", 'en' ),
+                       array( "User:Foo", $wgLanguageCode ),
+
+                       array( CONTENT_MODEL_JAVASCRIPT, 'javascript' ),
+               );
+       }
+
+       /**
+        * @dataProvider dataGetPageLanguage
+        */
+       public function testGetPageLanguage( $title, $expected ) {
+               if ( is_string( $title ) ) {
+                       $title = Title::newFromText( $title );
+               }
+
+               $expected = wfGetLangObj( $expected );
+
+               $handler = ContentHandler::getForTitle( $title );
+               $lang = $handler->getPageLanguage( $title );
+
+               $this->assertEquals( $expected->getCode(), $lang->getCode() );
+       }
+
+       public function testGetContentText_Null( ) {
+               global $wgContentHandlerTextFallback;
+
+               $content = null;
+
+               $wgContentHandlerTextFallback = 'fail';
+               $text = ContentHandler::getContentText( $content );
+               $this->assertEquals( '', $text );
+
+               $wgContentHandlerTextFallback = 'serialize';
+               $text = ContentHandler::getContentText( $content );
+               $this->assertEquals( '', $text );
+
+               $wgContentHandlerTextFallback = 'ignore';
+               $text = ContentHandler::getContentText( $content );
+               $this->assertEquals( '', $text );
+       }
+
+       public function testGetContentText_TextContent( ) {
+               global $wgContentHandlerTextFallback;
+
+               $content = new WikitextContent( "hello world" );
+
+               $wgContentHandlerTextFallback = 'fail';
+               $text = ContentHandler::getContentText( $content );
+               $this->assertEquals( $content->getNativeData(), $text );
+
+               $wgContentHandlerTextFallback = 'serialize';
+               $text = ContentHandler::getContentText( $content );
+               $this->assertEquals( $content->serialize(), $text );
+
+               $wgContentHandlerTextFallback = 'ignore';
+               $text = ContentHandler::getContentText( $content );
+               $this->assertEquals( $content->getNativeData(), $text );
+       }
+
+       public function testGetContentText_NonTextContent( ) {
+               global $wgContentHandlerTextFallback;
+
+               $content = new DummyContentForTesting( "hello world" );
+
+               $wgContentHandlerTextFallback = 'fail';
+
+               try {
+                       $text = ContentHandler::getContentText( $content );
+
+                       $this->fail( "ContentHandler::getContentText should have thrown an exception for non-text Content object" );
+               } catch (MWException $ex) {
+                       // as expected
+               }
+
+               $wgContentHandlerTextFallback = 'serialize';
+               $text = ContentHandler::getContentText( $content );
+               $this->assertEquals( $content->serialize(), $text );
+
+               $wgContentHandlerTextFallback = 'ignore';
+               $text = ContentHandler::getContentText( $content );
+               $this->assertNull( $text );
+       }
+
+       #public static function makeContent( $text, Title $title, $modelId = null, $format = null )
+
+       public function dataMakeContent() {
+               return array(
+                       array( 'hallo', 'Test', null, null, CONTENT_MODEL_WIKITEXT, 'hallo', false ),
+                       array( 'hallo', 'MediaWiki:Test.js', null, null, CONTENT_MODEL_JAVASCRIPT, 'hallo', false ),
+                       array( serialize('hallo'), 'Dummy:Test', null, null, "testing", 'hallo', false ),
+
+                       array( 'hallo', 'Test', null, CONTENT_FORMAT_WIKITEXT, CONTENT_MODEL_WIKITEXT, 'hallo', false ),
+                       array( 'hallo', 'MediaWiki:Test.js', null, CONTENT_FORMAT_JAVASCRIPT, CONTENT_MODEL_JAVASCRIPT, 'hallo', false ),
+                       array( serialize('hallo'), 'Dummy:Test', null, "testing", "testing", 'hallo', false ),
+
+                       array( 'hallo', 'Test', CONTENT_MODEL_CSS, null, CONTENT_MODEL_CSS, 'hallo', false ),
+                       array( 'hallo', 'MediaWiki:Test.js', CONTENT_MODEL_CSS, null, CONTENT_MODEL_CSS, 'hallo', false ),
+                       array( serialize('hallo'), 'Dummy:Test', CONTENT_MODEL_CSS, null, CONTENT_MODEL_CSS, serialize('hallo'), false ),
+
+                       array( 'hallo', 'Test', CONTENT_MODEL_WIKITEXT, "testing", null, null, true ),
+                       array( 'hallo', 'MediaWiki:Test.js', CONTENT_MODEL_CSS, "testing", null, null, true ),
+                       array( 'hallo', 'Dummy:Test', CONTENT_MODEL_JAVASCRIPT, "testing", null, null, true ),
+               );
+       }
+
+       /**
+        * @dataProvider dataMakeContent
+        */
+       public function testMakeContent( $data, $title, $modelId, $format, $expectedModelId, $expectedNativeData, $shouldFail ) {
+               global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContentHandlers;
+
+               $title = Title::newFromText( $title );
+
+               try {
+                       $content = ContentHandler::makeContent( $data, $title, $modelId, $format );
+
+                       if ( $shouldFail ) $this->fail( "ContentHandler::makeContent should have failed!" );
+
+                       $this->assertEquals( $expectedModelId, $content->getModel(), 'bad model id' );
+                       $this->assertEquals( $expectedNativeData, $content->getNativeData(), 'bads native data' );
+               } catch ( MWException $ex ) {
+                       if ( !$shouldFail ) $this->fail( "ContentHandler::makeContent failed unexpectedly: " . $ex->getMessage() );
+                       else $this->assertTrue( true ); // dummy, so we don't get the "test did not perform any assertions" message.
+               }
+
+       }
+
+       public function testSupportsSections() {
+               $this->markTestIncomplete( "not yet implemented" );
+       }
+
+       public function testRunLegacyHooks() {
+               Hooks::register( 'testRunLegacyHooks', __CLASS__ . '::dummyHookHandler' );
+
+               $content = new WikitextContent( 'test text' );
+               $ok = ContentHandler::runLegacyHooks( 'testRunLegacyHooks', array( 'foo', &$content, 'bar' ), false );
+
+               $this->assertTrue( $ok, "runLegacyHooks should have returned true" );
+               $this->assertEquals( "TEST TEXT", $content->getNativeData() );
+       }
+
+       public static function dummyHookHandler( $foo, &$text, $bar ) {
+               if ( $text === null || $text === false ) {
+                       return false;
+               }
+
+               $text = strtoupper( $text );
+
+               return true;
+       }
+}
+
+class DummyContentHandlerForTesting extends ContentHandler {
+
+       public function __construct( $dataModel ) {
+               parent::__construct( $dataModel, array( "testing" ) );
+       }
+
+       /**
+        * Serializes Content object of the type supported by this ContentHandler.
+        *
+        * @param Content $content the Content object to serialize
+        * @param null $format the desired serialization format
+        * @return String serialized form of the content
+        */
+       public function serializeContent( Content $content, $format = null )
+       {
+          return $content->serialize();
+       }
+
+       /**
+        * Unserializes a Content object of the type supported by this ContentHandler.
+        *
+        * @param $blob String serialized form of the content
+        * @param null $format the format used for serialization
+        * @return Content the Content object created by deserializing $blob
+        */
+       public function unserializeContent( $blob, $format = null )
+       {
+               $d = unserialize( $blob );
+               return new DummyContentForTesting( $d );
+       }
+
+       /**
+        * Creates an empty Content object of the type supported by this ContentHandler.
+        *
+        */
+       public function makeEmptyContent()
+       {
+               return new DummyContentForTesting( '' );
+       }
+}
+
+class DummyContentForTesting extends AbstractContent {
+
+       public function __construct( $data ) {
+               parent::__construct( "testing" );
+
+               $this->data = $data;
+       }
+
+       public function serialize( $format = null ) {
+               return serialize( $this->data );
+       }
+
+       /**
+        * @return String a string representing the content in a way useful for building a full text search index.
+        *         If no useful representation exists, this method returns an empty string.
+        */
+       public function getTextForSearchIndex()
+       {
+               return '';
+       }
+
+       /**
+        * @return String the wikitext to include when another page includes this  content, or false if the content is not
+        *         includable in a wikitext page.
+        */
+       public function getWikitextForTransclusion()
+       {
+               return false;
+       }
+
+       /**
+        * Returns a textual representation of the content suitable for use in edit summaries and log messages.
+        *
+        * @param int $maxlength maximum length of the summary text
+        * @return String the summary text
+        */
+       public function getTextForSummary( $maxlength = 250 )
+       {
+               return '';
+       }
+
+       /**
+        * Returns native represenation of the data. Interpretation depends on the data model used,
+        * as given by getDataModel().
+        *
+        * @return mixed the native representation of the content. Could be a string, a nested array
+        *         structure, an object, a binary blob... anything, really.
+        */
+       public function getNativeData()
+       {
+               return $this->data;
+       }
+
+       /**
+        * returns the content's nominal size in bogo-bytes.
+        *
+        * @return int
+        */
+       public function getSize()
+       {
+               return strlen( $this->data );
+       }
+
+       /**
+        * Return a copy of this Content object. The following must be true for the object returned
+        * if $copy = $original->copy()
+        *
+        * * get_class($original) === get_class($copy)
+        * * $original->getModel() === $copy->getModel()
+        * * $original->equals( $copy )
+        *
+        * If and only if the Content object is imutable, the copy() method can and should
+        * return $this. That is,  $copy === $original may be true, but only for imutable content
+        * objects.
+        *
+        * @return Content. A copy of this object
+        */
+       public function copy()
+       {
+               return $this;
+       }
+
+       /**
+        * Returns true if this content is countable as a "real" wiki page, provided
+        * that it's also in a countable location (e.g. a current revision in the main namespace).
+        *
+        * @param $hasLinks Bool: if it is known whether this content contains links, provide this information here,
+        *                        to avoid redundant parsing to find out.
+        * @return boolean
+        */
+       public function isCountable( $hasLinks = null )
+       {
+               return false;
+       }
+
+       /**
+        * @param Title $title
+        * @param null $revId
+        * @param null|ParserOptions $options
+        * @param Boolean $generateHtml whether to generate Html (default: true). If false,
+        *        the result of calling getText() on the ParserOutput object returned by
+        *        this method is undefined.
+        *
+        * @return ParserOutput
+        */
+       public function getParserOutput( Title $title, $revId = null, ParserOptions $options = NULL, $generateHtml = true )
+       {
+               return new ParserOutput( $this->getNativeData() );
+       }
+}
diff --git a/tests/phpunit/includes/CssContentTest.php b/tests/phpunit/includes/CssContentTest.php
new file mode 100644 (file)
index 0000000..64945f8
--- /dev/null
@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * @group ContentHandler
+ */
+class CssContentTest extends JavascriptContentTest {
+
+       public function newContent( $text ) {
+               return new CssContent( $text );
+       }
+
+
+       public function dataGetParserOutput() {
+               return array(
+                       array("MediaWiki:Test.css", "hello <world>\n", "<pre class=\"mw-code mw-css\" dir=\"ltr\">\nhello &lt;world&gt;\n\n</pre>\n"),
+                       // @todo: more...?
+               );
+       }
+
+
+       # =================================================================================================================
+
+       public function testGetModel() {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( CONTENT_MODEL_CSS, $content->getModel() );
+       }
+
+       public function testGetContentHandler() {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( CONTENT_MODEL_CSS, $content->getContentHandler()->getModelID() );
+       }
+
+       public function dataEquals( ) {
+               return array(
+                       array( new CssContent( "hallo" ), null, false ),
+                       array( new CssContent( "hallo" ), new CssContent( "hallo" ), true ),
+                       array( new CssContent( "hallo" ), new WikitextContent( "hallo" ), false ),
+                       array( new CssContent( "hallo" ), new CssContent( "HALLO" ), false ),
+               );
+       }
+
+}
index 0413b5a..903a6d2 100644 (file)
@@ -21,6 +21,8 @@ class ExtraParserTest extends MediaWikiTestCase {
                $this->options = new ParserOptions;
                $this->options->setTemplateCallback( array( __CLASS__, 'statelessFetchTemplate' ) );
                $this->parser = new Parser;
+
+               MagicWord::clearCache();
        }
 
        // Bug 8689 - Long numeric lines kill the parser
index 9097d30..129f271 100644 (file)
@@ -108,7 +108,7 @@ class GlobalTest extends MediaWikiTestCase {
                        array( array( 'foo' => 1 ), 'foo=1' ), // number test
                        array( array( 'foo' => true ), 'foo=1' ), // true test
                        array( array( 'foo' => false ), '' ), // false test
-                       array( array( 'foo' => null ), '' ), // null test
+                       array( array( 'foo' => null ), 'foo' ), // null test
                        array( array( 'foo' => 'A&B=5+6@!"\'' ), 'foo=A%26B%3D5%2B6%40%21%22%27' ), // urlencoding test
                        array( array( 'foo' => 'bar', 'baz' => 'is', 'asdf' => 'qwerty' ), 'foo=bar&baz=is&asdf=qwerty' ), // multi-item test
                        array( array( 'foo' => array( 'bar' => 'baz' ) ), 'foo%5Bbar%5D=baz' ),
diff --git a/tests/phpunit/includes/JavascriptContentTest.php b/tests/phpunit/includes/JavascriptContentTest.php
new file mode 100644 (file)
index 0000000..da03d62
--- /dev/null
@@ -0,0 +1,256 @@
+<?php
+
+/**
+ * @group ContentHandler
+ */
+class JavascriptContentTest extends WikitextContentTest {
+
+       public function newContent( $text ) {
+               return new JavascriptContent( $text );
+       }
+
+
+       public function dataGetParserOutput() {
+               return array(
+                       array("MediaWiki:Test.js", "hello <world>\n",
+                                       "<pre class=\"mw-code mw-js\" dir=\"ltr\">\nhello &lt;world&gt;\n\n</pre>\n"),
+                       // @todo: more...?
+               );
+       }
+
+       public function dataGetSection() {
+               return array(
+                       array( WikitextContentTest::$sections,
+                              "0",
+                              null
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "2",
+                              null
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "8",
+                              null
+                       ),
+               );
+       }
+
+       public function dataReplaceSection() {
+               return array(
+                       array( WikitextContentTest::$sections,
+                              "0",
+                              "No more",
+                              null,
+                              null
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "",
+                              "No more",
+                              null,
+                              null
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "2",
+                              "== TEST ==\nmore fun",
+                              null,
+                              null
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "8",
+                              "No more",
+                              null,
+                              null
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "new",
+                              "No more",
+                              "New",
+                              null
+                       ),
+               );
+       }
+
+       public function testAddSectionHeader( ) {
+               $content = $this->newContent( 'hello world' );
+               $c = $content->addSectionHeader( 'test' );
+
+               $this->assertTrue( $content->equals( $c ) );
+       }
+
+       // XXX: currently, preSaveTransform is applied to scripts. this may change or become optional.
+       /*
+       public function dataPreSaveTransform() {
+               return array(
+                       array( 'hello this is ~~~',
+                              "hello this is ~~~",
+                       ),
+                       array( 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
+                              'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
+                       ),
+               );
+       }
+       */
+
+       public function dataPreloadTransform() {
+               return array(
+                       array( 'hello this is ~~~',
+                              "hello this is ~~~",
+                       ),
+                       array( 'hello \'\'this\'\' is <noinclude>foo</noinclude><includeonly>bar</includeonly>',
+                              'hello \'\'this\'\' is <noinclude>foo</noinclude><includeonly>bar</includeonly>',
+                       ),
+               );
+       }
+
+       public function dataGetRedirectTarget() {
+               return array(
+                       array( '#REDIRECT [[Test]]',
+                              null,
+                       ),
+                       array( '#REDIRECT Test',
+                              null,
+                       ),
+                       array( '* #REDIRECT [[Test]]',
+                              null,
+                       ),
+               );
+       }
+
+       /**
+        * @todo: test needs database!
+        */
+       /*
+       public function getRedirectChain() {
+               $text = $this->getNativeData();
+               return Title::newFromRedirectArray( $text );
+       }
+       */
+
+       /**
+        * @todo: test needs database!
+        */
+       /*
+       public function getUltimateRedirectTarget() {
+               $text = $this->getNativeData();
+               return Title::newFromRedirectRecurse( $text );
+       }
+       */
+
+
+       public function dataIsCountable() {
+               return array(
+                       array( '',
+                              null,
+                              'any',
+                              true
+                       ),
+                       array( 'Foo',
+                              null,
+                              'any',
+                              true
+                       ),
+                       array( 'Foo',
+                              null,
+                              'comma',
+                              false
+                       ),
+                       array( 'Foo, bar',
+                              null,
+                              'comma',
+                              false
+                       ),
+                       array( 'Foo',
+                              null,
+                              'link',
+                              false
+                       ),
+                       array( 'Foo [[bar]]',
+                              null,
+                              'link',
+                              false
+                       ),
+                       array( 'Foo',
+                              true,
+                              'link',
+                              false
+                       ),
+                       array( 'Foo [[bar]]',
+                              false,
+                              'link',
+                              false
+                       ),
+                       array( '#REDIRECT [[bar]]',
+                              true,
+                              'any',
+                              true
+                       ),
+                       array( '#REDIRECT [[bar]]',
+                              true,
+                              'comma',
+                              false
+                       ),
+                       array( '#REDIRECT [[bar]]',
+                              true,
+                              'link',
+                              false
+                       ),
+               );
+       }
+
+       public function dataGetTextForSummary() {
+               return array(
+                       array( "hello\nworld.",
+                              16,
+                              'hello world.',
+                       ),
+                       array( 'hello world.',
+                              8,
+                              'hello...',
+                       ),
+                       array( '[[hello world]].',
+                              8,
+                              '[[hel...',
+                       ),
+               );
+       }
+
+       public function testMatchMagicWord( ) {
+               $mw = MagicWord::get( "staticredirect" );
+
+               $content = $this->newContent( "#REDIRECT [[FOO]]\n__STATICREDIRECT__" );
+               $this->assertFalse( $content->matchMagicWord( $mw ), "should not have matched magic word, since it's not wikitext" );
+       }
+
+       public function testUpdateRedirect( ) {
+               $target = Title::newFromText( "testUpdateRedirect_target" );
+
+               $content = $this->newContent( "#REDIRECT [[Someplace]]" );
+               $newContent = $content->updateRedirect( $target );
+
+               $this->assertTrue( $content->equals( $newContent ), "content should be unchanged since it's not wikitext" );
+       }
+
+       # =================================================================================================================
+
+       public function testGetModel() {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $content->getModel() );
+       }
+
+       public function testGetContentHandler() {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $content->getContentHandler()->getModelID() );
+       }
+
+       public function dataEquals( ) {
+               return array(
+                       array( new JavascriptContent( "hallo" ), null, false ),
+                       array( new JavascriptContent( "hallo" ), new JavascriptContent( "hallo" ), true ),
+                       array( new JavascriptContent( "hallo" ), new CssContent( "hallo" ), false ),
+                       array( new JavascriptContent( "hallo" ), new JavascriptContent( "HALLO" ), false ),
+               );
+       }
+
+}
index 4946200..a50a223 100644 (file)
@@ -146,7 +146,9 @@ class LinksUpdateTest extends MediaWikiTestCase {
        protected function assertLinksUpdate( Title $title, ParserOutput $parserOutput, $table, $fields, $condition, Array $expectedRows ) {
                $update = new LinksUpdate( $title, $parserOutput );
 
+               $update->beginTransaction();
                $update->doUpdate();
+               $update->commitTransaction();
 
                $this->assertSelect( $table, $fields, $condition, $expectedRows );
        }
index 6d82d0c..02b13b9 100644 (file)
@@ -3,11 +3,15 @@
 /**
  * Test class for Revision storage.
  *
+ * @group ContentHandler
  * @group Database
  * ^--- important, causes temporary tables to be used instead of the real database
  */
 class RevisionStorageTest extends MediaWikiTestCase {
 
+       /**
+        * @var WikiPage $the_page
+        */
        var $the_page;
 
        function  __construct( $name = null, array $data = array(), $dataName = '' ) {
@@ -32,11 +36,35 @@ class RevisionStorageTest extends MediaWikiTestCase {
        }
 
        public function setUp() {
+               global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContentHandlers, $wgContLang;
+
+               $wgExtraNamespaces[ 12312 ] = 'Dummy';
+               $wgExtraNamespaces[ 12313 ] = 'Dummy_talk';
+
+               $wgNamespaceContentModels[ 12312 ] = 'DUMMY';
+               $wgContentHandlers[ 'DUMMY' ] = 'DummyContentHandlerForTesting';
+
+               MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
+               $wgContLang->resetNamespaces(); # reset namespace cache
+
                if ( !$this->the_page ) {
                        $this->the_page = $this->createPage( 'RevisionStorageTest_the_page', "just a dummy page" );
                }
        }
 
+       public function tearDown() {
+               global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContentHandlers, $wgContLang;
+
+               unset( $wgExtraNamespaces[ 12312 ] );
+               unset( $wgExtraNamespaces[ 12313 ] );
+
+               unset( $wgNamespaceContentModels[ 12312 ] );
+               unset( $wgContentHandlers[ 'DUMMY' ] );
+
+               MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
+               $wgContLang->resetNamespaces(); # reset namespace cache
+       }
+
        protected function makeRevision( $props = null ) {
                if ( $props === null ) $props = array();
 
@@ -60,7 +88,8 @@ class RevisionStorageTest extends MediaWikiTestCase {
                        $page->doDeleteArticle( "done" );
                }
 
-               $page->doEdit( $text, "testing", EDIT_NEW );
+               $content = ContentHandler::makeContent( $text, $page->getTitle(), $model );
+               $page->doEditContent( $content, "testing", EDIT_NEW );
 
                return $page;
        }
@@ -72,6 +101,8 @@ class RevisionStorageTest extends MediaWikiTestCase {
                $this->assertEquals( $orig->getPage(), $rev->getPage() );
                $this->assertEquals( $orig->getTimestamp(), $rev->getTimestamp() );
                $this->assertEquals( $orig->getUser(), $rev->getUser() );
+               $this->assertEquals( $orig->getContentModel(), $rev->getContentModel() );
+               $this->assertEquals( $orig->getContentFormat(), $rev->getContentFormat() );
                $this->assertEquals( $orig->getSha1(), $rev->getSha1() );
        }
 
@@ -155,7 +186,7 @@ class RevisionStorageTest extends MediaWikiTestCase {
                $page = $this->createPage( 'RevisionStorageTest_testFetchRevision', 'one' );
                $id1 = $page->getRevision()->getId();
 
-               $page->doEdit( 'two', 'second rev' );
+               $page->doEditContent( new WikitextContent( 'two' ), 'second rev' );
                $id2 = $page->getRevision()->getId();
 
                $res = Revision::fetchRevision( $page->getTitle() );
@@ -176,12 +207,23 @@ class RevisionStorageTest extends MediaWikiTestCase {
         */
        public function testSelectFields()
        {
+               global $wgContentHandlerUseDB;
+
                $fields = Revision::selectFields();
 
                $this->assertTrue( in_array( 'rev_id', $fields ), 'missing rev_id in list of fields');
                $this->assertTrue( in_array( 'rev_page', $fields ), 'missing rev_page in list of fields');
                $this->assertTrue( in_array( 'rev_timestamp', $fields ), 'missing rev_timestamp in list of fields');
                $this->assertTrue( in_array( 'rev_user', $fields ), 'missing rev_user in list of fields');
+
+               if ( $wgContentHandlerUseDB ) {
+                       $this->assertTrue( in_array( 'rev_content_model', $fields ),
+                                                               'missing rev_content_model in list of fields');
+                       $this->assertTrue( in_array( 'rev_content_format', $fields ),
+                                                               'missing rev_content_format in list of fields');
+               } else {
+                       $this->markTestSkipped( '$wgContentHandlerUseDB is disabled' );
+               }
        }
 
        /**
@@ -202,12 +244,25 @@ class RevisionStorageTest extends MediaWikiTestCase {
         */
        public function testGetText()
        {
+               $this->hideDeprecated( 'Revision::getText' );
+
                $orig = $this->makeRevision( array( 'text' => 'hello hello.' ) );
                $rev = Revision::newFromId( $orig->getId() );
 
                $this->assertEquals( 'hello hello.', $rev->getText() );
        }
 
+       /**
+        * @covers Revision::getContent
+        */
+       public function testGetContent()
+       {
+               $orig = $this->makeRevision( array( 'text' => 'hello hello.' ) );
+               $rev = Revision::newFromId( $orig->getId() );
+
+               $this->assertEquals( 'hello hello.', $rev->getContent()->getNativeData() );
+       }
+
        /**
         * @covers Revision::revText
         */
@@ -225,11 +280,51 @@ class RevisionStorageTest extends MediaWikiTestCase {
         */
        public function testGetRawText()
        {
+               $this->hideDeprecated( 'Revision::getRawText' );
+
                $orig = $this->makeRevision( array( 'text' => 'hello hello raw.' ) );
                $rev = Revision::newFromId( $orig->getId() );
 
                $this->assertEquals( 'hello hello raw.', $rev->getRawText() );
        }
+
+       /**
+        * @covers Revision::getContentModel
+        */
+       public function testGetContentModel()
+       {
+               global $wgContentHandlerUseDB;
+
+               if ( !$wgContentHandlerUseDB ) {
+                       $this->markTestSkipped( '$wgContentHandlerUseDB is disabled' );
+               }
+
+               $orig = $this->makeRevision( array( 'text' => 'hello hello.',
+                                                                                       'content_model' => CONTENT_MODEL_JAVASCRIPT ) );
+               $rev = Revision::newFromId( $orig->getId() );
+
+               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContentModel() );
+       }
+
+       /**
+        * @covers Revision::getContentFormat
+        */
+       public function testGetContentFormat()
+       {
+               global $wgContentHandlerUseDB;
+
+               if ( !$wgContentHandlerUseDB ) {
+                       $this->markTestSkipped( '$wgContentHandlerUseDB is disabled' );
+               }
+
+               $orig = $this->makeRevision( array( 'text' => 'hello hello.',
+                                                                                       'content_model' => CONTENT_MODEL_JAVASCRIPT,
+                                                                                       'content_format' => CONTENT_FORMAT_JAVASCRIPT ) );
+               $rev = Revision::newFromId( $orig->getId() );
+
+               $this->assertEquals( CONTENT_FORMAT_JAVASCRIPT, $rev->getContentFormat() );
+       }
+
        /**
         * @covers Revision::isCurrent
         */
@@ -244,7 +339,7 @@ class RevisionStorageTest extends MediaWikiTestCase {
                $rev1x = Revision::newFromId( $rev1->getId() );
                $this->assertTrue( $rev1x->isCurrent() );
 
-               $page->doEdit( 'Bla bla', 'second rev' );
+               $page->doEditContent( ContentHandler::makeContent( 'Bla bla', $page->getTitle() ), 'second rev' );
                $rev2 = $page->getRevision();
 
                # @todo: find out if this should be true
@@ -267,7 +362,8 @@ class RevisionStorageTest extends MediaWikiTestCase {
 
                $this->assertNull( $rev1->getPrevious() );
 
-               $page->doEdit( 'Bla bla', 'second rev testGetPrevious' );
+               $page->doEditContent( ContentHandler::makeContent( 'Bla bla', $page->getTitle() ),
+                                                               'second rev testGetPrevious' );
                $rev2 = $page->getRevision();
 
                $this->assertNotNull( $rev2->getPrevious() );
@@ -284,7 +380,8 @@ class RevisionStorageTest extends MediaWikiTestCase {
 
                $this->assertNull( $rev1->getNext() );
 
-               $page->doEdit( 'Bla bla', 'second rev testGetNext' );
+               $page->doEditContent( ContentHandler::makeContent( 'Bla bla', $page->getTitle() ),
+                                                               'second rev testGetNext' );
                $rev2 = $page->getRevision();
 
                $this->assertNotNull( $rev1->getNext() );
@@ -302,8 +399,10 @@ class RevisionStorageTest extends MediaWikiTestCase {
                $dbw = wfGetDB( DB_MASTER );
                $rev = Revision::newNullRevision( $dbw, $page->getId(), 'a null revision', false );
 
-               $this->assertNotEquals( $orig->getId(), $rev->getId(), 'new null revision shold have a different id from the original revision' );
-               $this->assertEquals( $orig->getTextId(), $rev->getTextId(), 'new null revision shold have the same text id as the original revision' );
-               $this->assertEquals( 'some testing text', $rev->getText() );
+               $this->assertNotEquals( $orig->getId(), $rev->getId(),
+                                                               'new null revision shold have a different id from the original revision' );
+               $this->assertEquals( $orig->getTextId(), $rev->getTextId(),
+                                                               'new null revision shold have the same text id as the original revision' );
+               $this->assertEquals( 'some testing text', $rev->getContent()->getNativeData() );
        }
 }
diff --git a/tests/phpunit/includes/RevisionStorageTest_ContentHandlerUseDB.php b/tests/phpunit/includes/RevisionStorageTest_ContentHandlerUseDB.php
new file mode 100644 (file)
index 0000000..3dfaa8d
--- /dev/null
@@ -0,0 +1,86 @@
+<?php
+
+/**
+ * @group ContentHandler
+ * @group Database
+ * ^--- important, causes temporary tables to be used instead of the real database
+ */
+class RevisionTest_ContentHandlerUseDB extends RevisionStorageTest {
+       var $saveContentHandlerNoDB = null;
+
+       function setUp() {
+               global $wgContentHandlerUseDB;
+
+               $this->saveContentHandlerNoDB = $wgContentHandlerUseDB;
+
+               $wgContentHandlerUseDB = false;
+
+               $dbw = wfGetDB( DB_MASTER );
+
+               $page_table = $dbw->tableName( 'page' );
+               $revision_table = $dbw->tableName( 'revision' );
+               $archive_table = $dbw->tableName( 'archive' );
+
+               if ( $dbw->fieldExists( $page_table, 'page_content_model' ) ) {
+                       $dbw->query( "alter table $page_table drop column page_content_model" );
+                       $dbw->query( "alter table $revision_table drop column rev_content_model" );
+                       $dbw->query( "alter table $revision_table drop column rev_content_format" );
+                       $dbw->query( "alter table $archive_table drop column ar_content_model" );
+                       $dbw->query( "alter table $archive_table drop column ar_content_format" );
+               }
+
+               parent::setUp();
+       }
+
+       function tearDown() {
+               global $wgContentHandlerUseDB;
+
+               parent::tearDown();
+
+               $wgContentHandlerUseDB = $this->saveContentHandlerNoDB;
+       }
+
+       /**
+        * @covers Revision::selectFields
+        */
+       public function testSelectFields()
+       {
+               $fields = Revision::selectFields();
+
+               $this->assertTrue( in_array( 'rev_id', $fields ), 'missing rev_id in list of fields');
+               $this->assertTrue( in_array( 'rev_page', $fields ), 'missing rev_page in list of fields');
+               $this->assertTrue( in_array( 'rev_timestamp', $fields ), 'missing rev_timestamp in list of fields');
+               $this->assertTrue( in_array( 'rev_user', $fields ), 'missing rev_user in list of fields');
+
+               $this->assertFalse( in_array( 'rev_content_model', $fields ), 'missing rev_content_model in list of fields');
+               $this->assertFalse( in_array( 'rev_content_format', $fields ), 'missing rev_content_format in list of fields');
+       }
+
+       /**
+        * @covers Revision::getContentModel
+        */
+       public function testGetContentModel()
+       {
+               $orig = $this->makeRevision( array( 'text' => 'hello hello.', 'content_model' => CONTENT_MODEL_JAVASCRIPT ) );
+               $rev = Revision::newFromId( $orig->getId() );
+
+               //NOTE: database fields for the content_model are disabled, so the model name is not retained.
+               //      We expect to get the default here instead of what was suppleid when creating the revision.
+               $this->assertEquals( CONTENT_MODEL_WIKITEXT, $rev->getContentModel() );
+       }
+
+
+       /**
+        * @covers Revision::getContentFormat
+        */
+       public function testGetContentFormat()
+       {
+               $orig = $this->makeRevision( array( 'text' => 'hello hello.', 'content_model' => CONTENT_MODEL_JAVASCRIPT, 'content_format' => 'text/javascript' ) );
+               $rev = Revision::newFromId( $orig->getId() );
+
+               $this->assertEquals( CONTENT_FORMAT_WIKITEXT, $rev->getContentFormat() );
+       }
+
+}
+
+
index d7654db..cae320f 100644 (file)
@@ -1,25 +1,54 @@
 <?php
 
+/**
+ * @group ContentHandler
+ */
 class RevisionTest extends MediaWikiTestCase {
        var $saveGlobals = array();
 
        function setUp() {
                global $wgContLang;
                $wgContLang = Language::factory( 'en' );
+
                $globalSet = array(
                        'wgLegacyEncoding' => false,
                        'wgCompressRevisions' => false,
+
+                       'wgContentHandlerTextFallback' => $GLOBALS['wgContentHandlerTextFallback'],
+                       'wgExtraNamespaces' => $GLOBALS['wgExtraNamespaces'],
+                       'wgNamespaceContentModels' => $GLOBALS['wgNamespaceContentModels'],
+                       'wgContentHandlers' => $GLOBALS['wgContentHandlers'],
                );
+
                foreach ( $globalSet as $var => $data ) {
                        $this->saveGlobals[$var] = $GLOBALS[$var];
                        $GLOBALS[$var] = $data;
                }
+
+               global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContentHandlers, $wgContLang;
+               $wgExtraNamespaces[ 12312 ] = 'Dummy';
+               $wgExtraNamespaces[ 12313 ] = 'Dummy_talk';
+
+               $wgNamespaceContentModels[ 12312 ] = "testing";
+               $wgContentHandlers[ "testing" ] = 'DummyContentHandlerForTesting';
+               $wgContentHandlers[ "RevisionTestModifyableContent" ] = 'RevisionTestModifyableContentHandler';
+
+               MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
+               $wgContLang->resetNamespaces(); # reset namespace cache
+
+               global $wgContentHandlerTextFallback;
+               $wgContentHandlerTextFallback = 'ignore';
        }
 
        function tearDown() {
+               global $wgContLang;
+
                foreach ( $this->saveGlobals as $var => $data ) {
                        $GLOBALS[$var] = $data;
                }
+
+               MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
+               $wgContLang->resetNamespaces(); # reset namespace cache
        }
 
        function testGetRevisionText() {
@@ -120,6 +149,289 @@ class RevisionTest extends MediaWikiTestCase {
                $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
                        Revision::getRevisionText( $row ), "getRevisionText" );
        }
+
+       # =================================================================================================================
+
+       /**
+        * @param string $text
+        * @param string $title
+        * @param string $model
+        * @return Revision
+        */
+       function newTestRevision( $text, $title = "Test", $model = CONTENT_MODEL_WIKITEXT, $format = null ) {
+               if ( is_string( $title ) ) {
+                       $title = Title::newFromText( $title );
+               }
+
+               $content = ContentHandler::makeContent( $text, $title, $model, $format );
+
+               $rev = new Revision(
+                       array(
+                               'id'         => 42,
+                               'page'       => 23,
+                               'title'      => $title,
+
+                               'content'    => $content,
+                               'length'     => $content->getSize(),
+                               'comment'    => "testing",
+                               'minor_edit' => false,
+
+                               'content_format' => $format,
+                       )
+               );
+
+               return $rev;
+       }
+
+       function dataGetContentModel() {
+               return array(
+                       array( 'hello world', 'Hello', null, null, CONTENT_MODEL_WIKITEXT ),
+                       array( 'hello world', 'User:hello/there.css', null, null, CONTENT_MODEL_CSS ),
+                       array( serialize('hello world'), 'Dummy:Hello', null, null, "testing" ),
+               );
+       }
+
+       /**
+        * @group Database
+        * @dataProvider dataGetContentModel
+        */
+       function testGetContentModel( $text, $title, $model, $format, $expectedModel ) {
+               $rev = $this->newTestRevision( $text, $title, $model, $format );
+
+               $this->assertEquals( $expectedModel, $rev->getContentModel() );
+       }
+
+       function dataGetContentFormat() {
+               return array(
+                       array( 'hello world', 'Hello', null, null, CONTENT_FORMAT_WIKITEXT ),
+                       array( 'hello world', 'Hello', CONTENT_MODEL_CSS, null, CONTENT_FORMAT_CSS ),
+                       array( 'hello world', 'User:hello/there.css', null, null, CONTENT_FORMAT_CSS ),
+                       array( serialize('hello world'), 'Dummy:Hello', null, null, "testing" ),
+               );
+       }
+
+       /**
+        * @group Database
+        * @dataProvider dataGetContentFormat
+        */
+       function testGetContentFormat( $text, $title, $model, $format, $expectedFormat ) {
+               $rev = $this->newTestRevision( $text, $title, $model, $format );
+
+               $this->assertEquals( $expectedFormat, $rev->getContentFormat() );
+       }
+
+       function dataGetContentHandler() {
+               return array(
+                       array( 'hello world', 'Hello', null, null, 'WikitextContentHandler' ),
+                       array( 'hello world', 'User:hello/there.css', null, null, 'CssContentHandler' ),
+                       array( serialize('hello world'), 'Dummy:Hello', null, null, 'DummyContentHandlerForTesting' ),
+               );
+       }
+
+       /**
+        * @group Database
+        * @dataProvider dataGetContentHandler
+        */
+       function testGetContentHandler( $text, $title, $model, $format, $expectedClass ) {
+               $rev = $this->newTestRevision( $text, $title, $model, $format );
+
+               $this->assertEquals( $expectedClass, get_class( $rev->getContentHandler() ) );
+       }
+
+       function dataGetContent() {
+               return array(
+                       array( 'hello world', 'Hello', null, null, Revision::FOR_PUBLIC, 'hello world' ),
+                       array( serialize('hello world'), 'Hello', "testing", null, Revision::FOR_PUBLIC, serialize('hello world') ),
+                       array( serialize('hello world'), 'Dummy:Hello', null, null, Revision::FOR_PUBLIC, serialize('hello world') ),
+               );
+       }
+
+       /**
+        * @group Database
+        * @dataProvider dataGetContent
+        */
+       function testGetContent( $text, $title, $model, $format, $audience, $expectedSerialization ) {
+               $rev = $this->newTestRevision( $text, $title, $model, $format );
+               $content = $rev->getContent( $audience );
+
+               $this->assertEquals( $expectedSerialization, is_null( $content ) ? null : $content->serialize( $format ) );
+       }
+
+       function dataGetText() {
+               return array(
+                       array( 'hello world', 'Hello', null, null, Revision::FOR_PUBLIC, 'hello world' ),
+                       array( serialize('hello world'), 'Hello', "testing", null, Revision::FOR_PUBLIC, null ),
+                       array( serialize('hello world'), 'Dummy:Hello', null, null, Revision::FOR_PUBLIC, null ),
+               );
+       }
+
+       /**
+        * @group Database
+        * @dataProvider dataGetText
+        */
+       function testGetText( $text, $title, $model, $format, $audience, $expectedText ) {
+               $this->hideDeprecated( 'Revision::getText' );
+
+               $rev = $this->newTestRevision( $text, $title, $model, $format );
+
+               $this->assertEquals( $expectedText, $rev->getText( $audience ) );
+       }
+
+       /**
+        * @group Database
+        * @dataProvider dataGetText
+        */
+       function testGetRawText( $text, $title, $model, $format, $audience, $expectedText ) {
+               $this->hideDeprecated( 'Revision::getRawText' );
+
+               $rev = $this->newTestRevision( $text, $title, $model, $format );
+
+               $this->assertEquals( $expectedText, $rev->getRawText( $audience ) );
+       }
+
+
+       public function dataGetSize( ) {
+               return array(
+                       array( "hello world.", null, 12 ),
+                       array( serialize( "hello world." ), "testing", 12 ),
+               );
+       }
+
+       /**
+        * @covers Revision::getSize
+        * @group Database
+        * @dataProvider dataGetSize
+        */
+       public function testGetSize( $text, $model, $expected_size )
+       {
+               $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSize', $model );
+               $this->assertEquals( $expected_size, $rev->getSize() );
+       }
+
+       public function dataGetSha1( ) {
+               return array(
+                       array( "hello world.", null, Revision::base36Sha1( "hello world." ) ),
+                       array( serialize( "hello world." ), "testing", Revision::base36Sha1( serialize( "hello world." ) ) ),
+               );
+       }
+
+       /**
+        * @covers Revision::getSha1
+        * @group Database
+        * @dataProvider dataGetSha1
+        */
+       public function testGetSha1( $text, $model, $expected_hash )
+       {
+               $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSha1', $model );
+               $this->assertEquals( $expected_hash, $rev->getSha1() );
+       }
+
+       public function testConstructWithText() {
+               $rev = new Revision( array(
+                                         'text' => 'hello world.',
+                                         'content_model' => CONTENT_MODEL_JAVASCRIPT
+                                    ));
+
+               $this->assertNotNull( $rev->getText(), 'no content text' );
+               $this->assertNotNull( $rev->getContent(), 'no content object available' );
+               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContent()->getModel() );
+               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContentModel() );
+       }
+
+       public function testConstructWithContent() {
+               $title = Title::newFromText( 'RevisionTest_testConstructWithContent' );
+
+               $rev = new Revision( array(
+                                         'content' => ContentHandler::makeContent( 'hello world.', $title, CONTENT_MODEL_JAVASCRIPT ),
+                                    ));
+
+               $this->assertNotNull( $rev->getText(), 'no content text' );
+               $this->assertNotNull( $rev->getContent(), 'no content object available' );
+               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContent()->getModel() );
+               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContentModel() );
+       }
+
+       /**
+        * Tests whether $rev->getContent() returns a clone when needed.
+        *
+        * @group Database
+        */
+       function testGetContentClone( ) {
+               $content = new RevisionTestModifyableContent( "foo" );
+
+               $rev = new Revision(
+                       array(
+                               'id'         => 42,
+                               'page'       => 23,
+                               'title'      => Title::newFromText( "testGetContentClone_dummy" ),
+
+                               'content'    => $content,
+                               'length'     => $content->getSize(),
+                               'comment'    => "testing",
+                               'minor_edit' => false,
+                       )
+               );
+
+               $content = $rev->getContent( Revision::RAW );
+               $content->setText( "bar" );
+
+               $content2 = $rev->getContent( Revision::RAW );
+               $this->assertNotSame( $content, $content2, "expected a clone" ); // content is mutable, expect clone
+               $this->assertEquals( "foo", $content2->getText() ); // clone should contain the original text
+
+               $content2->setText( "bla bla" );
+               $this->assertEquals( "bar", $content->getText() ); // clones should be independent
+       }
+
+
+       /**
+        * Tests whether $rev->getContent() returns the same object repeatedly if appropriate.
+        *
+        * @group Database
+        */
+       function testGetContentUncloned() {
+               $rev = $this->newTestRevision( "hello", "testGetContentUncloned_dummy", CONTENT_MODEL_WIKITEXT );
+               $content = $rev->getContent( Revision::RAW );
+               $content2 = $rev->getContent( Revision::RAW );
+
+               // for immutable content like wikitext, this should be the same object
+               $this->assertSame( $content, $content2 );
+       }
+
 }
 
+class RevisionTestModifyableContent extends TextContent {
+       public function __construct( $text ) {
+               parent::__construct( $text, "RevisionTestModifyableContent" );
+       }
+
+       public function copy( ) {
+               return new RevisionTestModifyableContent( $this->mText );
+       }
+
+       public function getText() {
+               return $this->mText;
+       }
 
+       public function setText( $text ) {
+               $this->mText = $text;
+       }
+
+}
+
+class RevisionTestModifyableContentHandler extends TextContentHandler {
+
+       public function __construct( ) {
+               parent::__construct( "RevisionTestModifyableContent", array( CONTENT_FORMAT_TEXT ) );
+       }
+
+       public function unserializeContent( $text, $format = null ) {
+               $this->checkFormat( $format );
+
+               return new RevisionTestModifyableContent( $text );
+       }
+
+       public function makeEmptyContent() {
+               return new RevisionTestModifyableContent( '' );
+       }
+}
index 39ce6e3..03b94ae 100644 (file)
@@ -13,14 +13,14 @@ class TemplateCategoriesTest extends MediaWikiLangTestCase {
                $user = new User();
                $user->mRights = array( 'createpage', 'edit', 'purge' );
 
-               $status = $page->doEdit( '{{Categorising template}}', 'Create a page with a template', 0, false, $user );
+               $status = $page->doEditContent( new WikitextContent( '{{Categorising template}}' ), 'Create a page with a template', 0, false, $user );
                $this->assertEquals(
                        array()
                        , $title->getParentCategories()
                );
 
                $template = WikiPage::factory( Title::newFromText( 'Template:Categorising template' ) );
-               $status = $template->doEdit( '[[Category:Solved bugs]]', 'Add a category through a template', 0, false, $user );
+               $status = $template->doEditContent( new WikitextContent( '[[Category:Solved bugs]]' ), 'Add a category through a template', 0, false, $user );
 
                // Run the job queue
                $jobs = new RunJobs;
index aed658b..de8f18f 100644 (file)
@@ -1,7 +1,34 @@
 <?php
 
+/**
+ * @group ContentHandler
+ */
 class TitleMethodsTest extends MediaWikiTestCase {
 
+       public function setup() {
+               global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContLang;
+
+               $wgExtraNamespaces[ 12302 ] = 'TEST-JS';
+               $wgExtraNamespaces[ 12303 ] = 'TEST-JS_TALK';
+
+               $wgNamespaceContentModels[ 12302 ] = CONTENT_MODEL_JAVASCRIPT;
+
+               MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
+               $wgContLang->resetNamespaces(); # reset namespace cache
+       }
+
+       public function teardown() {
+               global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContLang;
+
+               unset( $wgExtraNamespaces[ 12302 ] );
+               unset( $wgExtraNamespaces[ 12303 ] );
+
+               unset( $wgNamespaceContentModels[ 12302 ] );
+
+               MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
+               $wgContLang->resetNamespaces(); # reset namespace cache
+       }
+
        public function dataEquals() {
                return array(
                        array( 'Main Page', 'Main Page', true ),
@@ -75,6 +102,47 @@ class TitleMethodsTest extends MediaWikiTestCase {
                $this->assertEquals( $expectedBool, $title->hasSubjectNamespace( $ns ) );
        }
 
+       public function dataGetContentModel() {
+               return array(
+                       array( 'Foo', CONTENT_MODEL_WIKITEXT ),
+                       array( 'Foo.js', CONTENT_MODEL_WIKITEXT ),
+                       array( 'Foo/bar.js', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo.js', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo/bar.js', CONTENT_MODEL_JAVASCRIPT ),
+                       array( 'User:Foo/bar.css', CONTENT_MODEL_CSS ),
+                       array( 'User talk:Foo/bar.css', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo/bar.js.xxx', CONTENT_MODEL_WIKITEXT ),
+                       array( 'User:Foo/bar.xxx', CONTENT_MODEL_WIKITEXT ),
+                       array( 'MediaWiki:Foo.js', CONTENT_MODEL_JAVASCRIPT ),
+                       array( 'MediaWiki:Foo.css', CONTENT_MODEL_CSS ),
+                       array( 'MediaWiki:Foo/bar.css', CONTENT_MODEL_CSS ),
+                       array( 'MediaWiki:Foo.JS', CONTENT_MODEL_WIKITEXT ),
+                       array( 'MediaWiki:Foo.CSS', CONTENT_MODEL_WIKITEXT ),
+                       array( 'MediaWiki:Foo.css.xxx', CONTENT_MODEL_WIKITEXT ),
+                       array( 'TEST-JS:Foo', CONTENT_MODEL_JAVASCRIPT ),
+                       array( 'TEST-JS:Foo.js', CONTENT_MODEL_JAVASCRIPT ),
+                       array( 'TEST-JS:Foo/bar.js', CONTENT_MODEL_JAVASCRIPT ),
+                       array( 'TEST-JS_TALK:Foo.js', CONTENT_MODEL_WIKITEXT ),
+               );
+       }
+
+       /**
+        * @dataProvider dataGetContentModel
+        */
+       public function testGetContentModel( $title, $expectedModelId ) {
+               $title = Title::newFromText( $title );
+               $this->assertEquals( $expectedModelId, $title->getContentModel() );
+       }
+
+       /**
+        * @dataProvider dataGetContentModel
+        */
+       public function testHasContentModel( $title, $expectedModelId ) {
+               $title = Title::newFromText( $title );
+               $this->assertTrue( $title->hasContentModel( $expectedModelId ) );
+       }
+
        public function dataIsCssOrJsPage() {
                return array(
                        array( 'Foo', false ),
@@ -92,6 +160,8 @@ class TitleMethodsTest extends MediaWikiTestCase {
                        array( 'MediaWiki:Foo.JS', false ),
                        array( 'MediaWiki:Foo.CSS', false ),
                        array( 'MediaWiki:Foo.css.xxx', false ),
+                       array( 'TEST-JS:Foo', false ),
+                       array( 'TEST-JS:Foo.js', false ),
                );
        }
 
@@ -119,6 +189,8 @@ class TitleMethodsTest extends MediaWikiTestCase {
                        array( 'MediaWiki:Foo.js', false ),
                        array( 'User:Foo/bar.JS', false ),
                        array( 'User:Foo/bar.CSS', false ),
+                       array( 'TEST-JS:Foo', false ),
+                       array( 'TEST-JS:Foo.js', false ),
                );
        }
 
@@ -187,6 +259,9 @@ class TitleMethodsTest extends MediaWikiTestCase {
                        array( 'MediaWiki:Foo/bar.css', false ),
                        array( 'User:Foo/bar.JS', true ),
                        array( 'User:Foo/bar.CSS', true ),
+                       array( 'TEST-JS:Foo', false ),
+                       array( 'TEST-JS:Foo.js', false ),
+                       array( 'TEST-JS_TALK:Foo.js', true ),
                );
        }
 
diff --git a/tests/phpunit/includes/UriTest.php b/tests/phpunit/includes/UriTest.php
new file mode 100644 (file)
index 0000000..3b78f47
--- /dev/null
@@ -0,0 +1,164 @@
+<?php
+
+class UriTest extends MediaWikiTestCase {
+
+       function setUp() {
+               AutoLoader::loadClass( 'Uri' );
+       }
+
+       function dataUris() {
+               return array(
+                       array(
+                               'http://example.com/',
+                               array(
+                                       'scheme'    => 'http',
+                                       'delimiter' => '://',
+                                       'user'      => null,
+                                       'pass'      => null,
+                                       'host'      => 'example.com',
+                                       'port'      => null,
+                                       'path'      => '/',
+                                       'query'     => null,
+                                       'fragment'  => null,
+                               ),
+                       ),
+                       array(
+                               '//mediawiki.org/wiki/Main_Page',
+                               array(
+                                       'scheme'    => null,
+                                       'delimiter' => '//',
+                                       'user'      => null,
+                                       'pass'      => null,
+                                       'host'      => 'mediawiki.org',
+                                       'port'      => null,
+                                       'path'      => '/wiki/Main_Page',
+                                       'query'     => null,
+                                       'fragment'  => null,
+                               ),
+                       ),
+                       array(
+                               'http://user:pass@example.com/',
+                               array(
+                                       'scheme'    => 'http',
+                                       'delimiter' => '://',
+                                       'user'      => 'user',
+                                       'pass'      => 'pass',
+                                       'host'      => 'example.com',
+                                       'port'      => null,
+                                       'path'      => '/',
+                                       'query'     => null,
+                                       'fragment'  => null,
+                               ),
+                       ),
+                       array(
+                               '/?asdf=asdf',
+                               array(
+                                       'scheme'    => null,
+                                       'delimiter' => null,
+                                       'user'      => null,
+                                       'pass'      => null,
+                                       'host'      => null,
+                                       'port'      => null,
+                                       'path'      => '/',
+                                       'query'     => 'asdf=asdf',
+                                       'fragment'  => null,
+                               ),
+                       ),
+                       array(
+                               '?asdf=asdf#asdf',
+                               array(
+                                       'scheme'    => null,
+                                       'delimiter' => null,
+                                       'user'      => null,
+                                       'pass'      => null,
+                                       'host'      => null,
+                                       'port'      => null,
+                                       'path'      => null,
+                                       'query'     => 'asdf=asdf',
+                                       'fragment'  => 'asdf',
+                               ),
+                       )
+               );
+       }
+
+       /**
+        * Ensure that get* methods properly match the appropriate getComponent( key ) value
+        * @dataProvider dataUris
+        */
+       function testGetters( $uri ) {
+               $uri = new Uri( $uri );
+               $getterMap = array(
+                       'getProtocol' => 'scheme',
+                       'getUser' => 'user',
+                       'getPassword' => 'pass',
+                       'getHost' => 'host',
+                       'getPort' => 'port',
+                       'getPath' => 'path',
+                       'getQueryString' => 'query',
+                       'getFragment' => 'fragment',
+               );
+               foreach ( $getterMap as $fn => $c ) {
+                       $this->assertSame( $uri->{$fn}(), $uri->getComponent( $c ), "\$uri->{$fn}(); matches \$uri->getComponent( '$c' );" );
+               }
+       }
+
+       /**
+        * Ensure that Uri has the proper components for our example uris
+        * @dataProvider dataUris
+        */
+       function testComponents( $uri, $components ) {
+               $uri = new Uri( $uri );
+
+               $this->assertSame( $components['scheme'], $uri->getProtocol(), 'Correct scheme' );
+               $this->assertSame( $components['delimiter'], $uri->getDelimiter(), 'Correct delimiter' );
+               $this->assertSame( $components['user'], $uri->getUser(), 'Correct user' );
+               $this->assertSame( $components['pass'], $uri->getPassword(), 'Correct pass' );
+               $this->assertSame( $components['host'], $uri->getHost(), 'Correct host' );
+               $this->assertSame( $components['port'], $uri->getPort(), 'Correct port' );
+               $this->assertSame( $components['path'], $uri->getPath(), 'Correct path' );
+               $this->assertSame( $components['query'], $uri->getQueryString(), 'Correct query' );
+               $this->assertSame( $components['fragment'], $uri->getFragment(), 'Correct fragment' );
+       }
+
+       /**
+        * Ensure that the aliases work for various components.
+        */
+       function testAliases() {
+               $url = "//myuser@test.com";
+               $uri = new Uri( $url );
+
+               // Set the aliases.
+               $uri->setComponent( 'protocol', 'https' );
+               $uri->setComponent( 'password', 'mypass' );
+
+               // Now try getting them.
+               $this->assertSame( 'https', $uri->getComponent( 'protocol' ), 'Correct protocol (alias for scheme)' );
+               $this->assertSame( 'mypass', $uri->getComponent( 'password' ), 'Correct password (alias for pass)' );
+
+               // Finally check their actual names.
+               $this->assertSame( 'https', $uri->getProtocol(), 'Alias for scheme works' );
+               $this->assertSame( 'mypass', $uri->getPassword(), 'Alias for pass works' );
+       }
+
+       /**
+        * Ensure that Uri's helper methods return the correct data
+        */
+       function testHelpers() {
+               $uri = new Uri( 'http://a:b@example.com:8080/path?query=value' );
+
+               $this->assertSame( 'a:b', $uri->getUserInfo(), 'Correct getUserInfo' );
+               $this->assertSame( 'example.com:8080', $uri->getHostPort(), 'Correct getHostPort' );
+               $this->assertSame( 'a:b@example.com:8080', $uri->getAuthority(), 'Correct getAuthority' );
+               $this->assertSame( '/path?query=value', $uri->getRelativePath(), 'Correct getRelativePath' );
+               $this->assertSame( 'http://a:b@example.com:8080/path?query=value', $uri->toString(), 'Correct toString' );
+       }
+
+       /**
+        * Ensure that Uri's extend method properly overrides keys
+        */
+       function testExtend() {
+               $uri = new Uri( 'http://example.org/?a=b&hello=world' );
+               $uri->extendQuery( 'a=c&foo=bar' );
+               $this->assertSame( 'a=c&hello=world&foo=bar', $uri->getQueryString() );
+       }
+}
index 2949a3a..49b27af 100644 (file)
@@ -1,5 +1,6 @@
 <?php
 /**
+* @group ContentHandler
 * @group Database
 * ^--- important, causes temporary tables to be used instead of the real database
 **/
@@ -28,10 +29,12 @@ class WikiPageTest extends MediaWikiLangTestCase {
                                                       'templatelinks',
                                                       'iwlinks' ) );
        }
-
+       
        public function setUp() {
                parent::setUp();
                $this->pages_to_delete = array();
+
+               LinkCache::singleton()->clear(); # avoid cached redirect status, etc
        }
 
        public function tearDown() {
@@ -49,6 +52,10 @@ class WikiPageTest extends MediaWikiLangTestCase {
                parent::tearDown();
        }
 
+       /**
+        * @param Title $title
+        * @return WikiPage
+        */
        protected function newPage( $title ) {
                if ( is_string( $title ) ) $title = Title::newFromText( $title );
 
@@ -59,16 +66,89 @@ class WikiPageTest extends MediaWikiLangTestCase {
                return $p;
        }
 
+
+       /**
+        * @param String|Title|WikiPage $page
+        * @param String $text
+        * @param int $model
+        *
+        * @return WikiPage
+        */
        protected function createPage( $page, $text, $model = null ) {
                if ( is_string( $page ) ) $page = Title::newFromText( $page );
-               if ( $page instanceof Title ) $page = $this->newPage( $page );
 
-               $page->doEdit( $text, "testing", EDIT_NEW );
+               if ( $page instanceof Title ) {
+                       $title = $page;
+                       $page = $this->newPage( $page );
+               } else {
+                       $title = null;
+               }
+
+               $content = ContentHandler::makeContent( $text, $page->getTitle(), $model );
+               $page->doEditContent( $content, "testing", EDIT_NEW );
 
                return $page;
        }
 
+       public function testDoEditContent() {
+               $title = Title::newFromText( "WikiPageTest_testDoEditContent" );
+
+               $page = $this->newPage( $title );
+
+               $content = ContentHandler::makeContent( "[[Lorem ipsum]] dolor sit amet, consetetur sadipscing elitr, sed diam "
+                                                     . " nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.",
+                                                     $title );
+
+               $page->doEditContent( $content, "[[testing]] 1" );
+
+               $this->assertTrue( $title->getArticleID() > 0, "Title object should have new page id" );
+               $this->assertTrue( $page->getId() > 0, "WikiPage should have new page id" );
+               $this->assertTrue( $title->exists(), "Title object should indicate that the page now exists" );
+               $this->assertTrue( $page->exists(), "WikiPage object should indicate that the page now exists" );
+
+               $id = $page->getId();
+
+               # ------------------------
+               $dbr = wfGetDB( DB_SLAVE );
+               $res = $dbr->select( 'pagelinks', '*', array( 'pl_from' => $id ) );
+               $n = $res->numRows();
+               $res->free();
+
+               $this->assertEquals( 1, $n, 'pagelinks should contain one link from the page' );
+
+               # ------------------------
+               $page = new WikiPage( $title );
+
+               $retrieved = $page->getContent();
+               $this->assertTrue( $content->equals( $retrieved ), 'retrieved content doesn\'t equal original' );
+
+               # ------------------------
+               $content = ContentHandler::makeContent( "At vero eos et accusam et justo duo [[dolores]] et ea rebum. "
+                                                       . "Stet clita kasd [[gubergren]], no sea takimata sanctus est.",
+                                                       $title );
+
+               $page->doEditContent( $content, "testing 2" );
+
+               # ------------------------
+               $page = new WikiPage( $title );
+
+               $retrieved = $page->getContent();
+               $this->assertTrue( $content->equals( $retrieved ), 'retrieved content doesn\'t equal original' );
+
+               # ------------------------
+               $dbr = wfGetDB( DB_SLAVE );
+               $res = $dbr->select( 'pagelinks', '*', array( 'pl_from' => $id ) );
+               $n = $res->numRows();
+               $res->free();
+
+               $this->assertEquals( 2, $n, 'pagelinks should contain two links from the page' );
+       }
+       
        public function testDoEdit() {
+               $this->hideDeprecated( "WikiPage::doEdit" );
+               $this->hideDeprecated( "WikiPage::getText" );
+               $this->hideDeprecated( "Revision::getText" );
+
                $title = Title::newFromText( "WikiPageTest_testDoEdit" );
 
                $page = $this->newPage( $title );
@@ -76,13 +156,23 @@ class WikiPageTest extends MediaWikiLangTestCase {
                $text = "[[Lorem ipsum]] dolor sit amet, consetetur sadipscing elitr, sed diam "
                       . " nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.";
 
-               $page->doEdit( $text, "testing 1" );
+               $page->doEdit( $text, "[[testing]] 1" );
 
+               $this->assertTrue( $title->getArticleID() > 0, "Title object should have new page id" );
+               $this->assertTrue( $page->getId() > 0, "WikiPage should have new page id" );
                $this->assertTrue( $title->exists(), "Title object should indicate that the page now exists" );
                $this->assertTrue( $page->exists(), "WikiPage object should indicate that the page now exists" );
 
                $id = $page->getId();
 
+               # ------------------------
+               $dbr = wfGetDB( DB_SLAVE );
+               $res = $dbr->select( 'pagelinks', '*', array( 'pl_from' => $id ) );
+               $n = $res->numRows();
+               $res->free();
+
+               $this->assertEquals( 1, $n, 'pagelinks should contain one link from the page' );
+
                # ------------------------
                $page = new WikiPage( $title );
 
@@ -113,6 +203,8 @@ class WikiPageTest extends MediaWikiLangTestCase {
        public function testDoQuickEdit() {
                global $wgUser;
 
+               $this->hideDeprecated( "WikiPage::doQuickEdit" );
+
                $page = $this->createPage( "WikiPageTest_testDoQuickEdit", "original text" );
 
                $text = "quick text";
@@ -123,13 +215,29 @@ class WikiPageTest extends MediaWikiLangTestCase {
                $this->assertEquals( $text, $page->getText() );
        }
 
+       public function testDoQuickEditContent() {
+               global $wgUser;
+
+               $page = $this->createPage( "WikiPageTest_testDoQuickEditContent", "original text" );
+
+               $content = ContentHandler::makeContent( "quick text", $page->getTitle() );
+               $page->doQuickEditContent( $content, $wgUser, "testing q" );
+
+               # ---------------------
+               $page = new WikiPage( $page->getTitle() );
+               $this->assertTrue( $content->equals( $page->getContent() ) );
+       }
+       
        public function testDoDeleteArticle() {
                $page = $this->createPage( "WikiPageTest_testDoDeleteArticle", "[[original text]] foo" );
                $id = $page->getId();
 
                $page->doDeleteArticle( "testing deletion" );
 
+               $this->assertFalse( $page->getTitle()->getArticleID() > 0, "Title object should now have page id 0" );
+               $this->assertFalse( $page->getId() > 0, "WikiPage should now have page id 0" );
                $this->assertFalse( $page->exists(), "WikiPage::exists should return false after page was deleted" );
+               $this->assertNull( $page->getContent(), "WikiPage::getContent should return null after page was deleted" );
                $this->assertFalse( $page->getText(), "WikiPage::getText should return false after page was deleted" );
 
                $t = Title::newFromText( $page->getTitle()->getPrefixedText() );
@@ -171,10 +279,25 @@ class WikiPageTest extends MediaWikiLangTestCase {
                $rev = $page->getRevision();
 
                $this->assertEquals( $page->getLatest(), $rev->getId() );
-               $this->assertEquals( "some text", $rev->getText() );
+               $this->assertEquals( "some text", $rev->getContent()->getNativeData() );
+       }
+
+       public function testGetContent() {
+               $page = $this->newPage( "WikiPageTest_testGetContent" );
+
+               $content = $page->getContent();
+               $this->assertNull( $content );
+
+               # -----------------
+               $this->createPage( $page, "some text" );
+
+               $content = $page->getContent();
+               $this->assertEquals( "some text", $content->getNativeData() );
        }
 
        public function testGetText() {
+               $this->hideDeprecated( "WikiPage::getText" );
+
                $page = $this->newPage( "WikiPageTest_testGetText" );
 
                $text = $page->getText();
@@ -188,6 +311,8 @@ class WikiPageTest extends MediaWikiLangTestCase {
        }
 
        public function testGetRawText() {
+               $this->hideDeprecated( "WikiPage::getRawText" );
+
                $page = $this->newPage( "WikiPageTest_testGetRawText" );
 
                $text = $page->getRawText();
@@ -200,7 +325,32 @@ class WikiPageTest extends MediaWikiLangTestCase {
                $this->assertEquals( "some text", $text );
        }
 
-       
+       public function testGetContentModel() {
+               global $wgContentHandlerUseDB;
+
+               if ( !$wgContentHandlerUseDB ) {
+                       $this->markTestSkipped( '$wgContentHandlerUseDB is disabled' );
+               }
+
+               $page = $this->createPage( "WikiPageTest_testGetContentModel", "some text", CONTENT_MODEL_JAVASCRIPT );
+
+               $page = new WikiPage( $page->getTitle() );
+               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $page->getContentModel() );
+       }
+
+       public function testGetContentHandler() {
+               global $wgContentHandlerUseDB;
+
+               if ( !$wgContentHandlerUseDB ) {
+                       $this->markTestSkipped( '$wgContentHandlerUseDB is disabled' );
+               }
+
+               $page = $this->createPage( "WikiPageTest_testGetContentHandler", "some text", CONTENT_MODEL_JAVASCRIPT );
+
+               $page = new WikiPage( $page->getTitle() );
+               $this->assertEquals( 'JavaScriptContentHandler', get_class( $page->getContentHandler() ) );
+       }
+
        public function testExists() {
                $page = $this->newPage( "WikiPageTest_testExists" );
                $this->assertFalse( $page->exists() );
@@ -259,6 +409,10 @@ class WikiPageTest extends MediaWikiLangTestCase {
        public function testGetRedirectTarget( $title, $text, $target ) {
                $page = $this->createPage( $title, $text );
 
+               # sanity check, because this test seems to fail for no reason for some people.
+               $c = $page->getContent();
+               $this->assertEquals( 'WikitextContent', get_class( $c ) );
+               
                # now, test the actual redirect
                $t = $page->getRedirectTarget();
                $this->assertEquals( $target, is_null( $t ) ? null : $t->getPrefixedText() );
@@ -371,15 +525,19 @@ class WikiPageTest extends MediaWikiLangTestCase {
        public function testIsCountable( $title, $text, $mode, $expected ) {
                global $wgArticleCountMethod;
 
-               $old = $wgArticleCountMethod;
+               $oldArticleCountMethod = $wgArticleCountMethod;
                $wgArticleCountMethod = $mode;
 
                $page = $this->createPage( $title, $text );
-               $editInfo = $page->prepareTextForEdit( $page->getText() );
+               $hasLinks = wfGetDB( DB_SLAVE )->selectField( 'pagelinks', 1,
+                                       array( 'pl_from' => $page->getId() ), __METHOD__ );
+
+               $editInfo = $page->prepareContentForEdit( $page->getContent() );
 
                $v = $page->isCountable();
                $w = $page->isCountable( $editInfo );
-               $wgArticleCountMethod = $old;
+
+               $wgArticleCountMethod = $oldArticleCountMethod;
 
                $this->assertEquals( $expected, $v, "isCountable( null ) returned unexpected value " . var_export( $v, true )
                                                    . " instead of " . var_export( $expected, true ) . " in mode `$mode` for text \"$text\"" );
@@ -448,7 +606,9 @@ more stuff
                               "2",
                               "== TEST ==\nmore fun",
                               null,
-                              trim( preg_replace( '/^== test ==.*== foo ==/sm', "== TEST ==\nmore fun\n\n== foo ==", WikiPageTest::$sections ) )
+                              trim( preg_replace( '/^== test ==.*== foo ==/sm',
+                                                  "== TEST ==\nmore fun\n\n== foo ==",
+                                                  WikiPageTest::$sections ) )
                        ),
                        array( 'WikiPageTest_testReplaceSection',
                               WikiPageTest::$sections,
@@ -471,6 +631,8 @@ more stuff
         * @dataProvider dataReplaceSection
         */
        public function testReplaceSection( $title, $text, $section, $with, $sectionTitle, $expected ) {
+               $this->hideDeprecated( "WikiPage::replaceSection" );
+
                $page = $this->createPage( $title, $text );
                $text = $page->replaceSection( $section, $with, $sectionTitle );
                $text = trim( $text );
@@ -478,6 +640,18 @@ more stuff
                $this->assertEquals( $expected, $text );
        }
 
+       /**
+        * @dataProvider dataReplaceSection
+        */
+       public function testReplaceSectionContent( $title, $text, $section, $with, $sectionTitle, $expected ) {
+               $page = $this->createPage( $title, $text );
+
+               $content = ContentHandler::makeContent( $with, $page->getTitle(), $page->getContentModel() );
+               $c = $page->replaceSectionContent( $section, $content, $sectionTitle );
+
+               $this->assertEquals( $expected, is_null( $c ) ? null : trim( $c->getNativeData() ) );
+       }
+       
        /* @todo FIXME: fix this!
        public function testGetUndoText() {
                global $wgDiff3;
@@ -538,19 +712,22 @@ more stuff
 
                $text = "one";
                $page = $this->newPage( "WikiPageTest_testDoRollback" );
-               $page->doEdit( $text, "section one", EDIT_NEW, false, $admin );
+               $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
+                                                               "section one", EDIT_NEW, false, $admin );
 
                $user1 = new User();
                $user1->setName( "127.0.1.11" );
                $text .= "\n\ntwo";
                $page = new WikiPage( $page->getTitle() );
-               $page->doEdit( $text, "adding section two", 0, false, $user1 );
+               $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
+                                                               "adding section two", 0, false, $user1 );
 
                $user2 = new User();
                $user2->setName( "127.0.2.13" );
                $text .= "\n\nthree";
                $page = new WikiPage( $page->getTitle() );
-               $page->doEdit( $text, "adding section three", 0, false, $user2 );
+               $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
+                                                               "adding section three", 0, false, $user2 );
 
                # we are having issues with doRollback spuriously failing. apparently the last revision somehow goes missing
                # or not committed under some circumstances. so, make sure the last revision has the right user name.
@@ -577,8 +754,9 @@ more stuff
                }
 
                $page = new WikiPage( $page->getTitle() );
-               $this->assertEquals( $rev2->getSha1(), $page->getRevision()->getSha1(), "rollback did not revert to the correct revision" );
-               $this->assertEquals( "one\n\ntwo", $page->getText() );
+               $this->assertEquals( $rev2->getSha1(), $page->getRevision()->getSha1(),
+                                                               "rollback did not revert to the correct revision" );
+               $this->assertEquals( "one\n\ntwo", $page->getContent()->getNativeData() );
        }
 
        /**
@@ -590,14 +768,16 @@ more stuff
 
                $text = "one";
                $page = $this->newPage( "WikiPageTest_testDoRollback" );
-               $page->doEdit( $text, "section one", EDIT_NEW, false, $admin );
+               $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
+                                                               "section one", EDIT_NEW, false, $admin );
                $rev1 = $page->getRevision();
 
                $user1 = new User();
                $user1->setName( "127.0.1.11" );
                $text .= "\n\ntwo";
                $page = new WikiPage( $page->getTitle() );
-               $page->doEdit( $text, "adding section two", 0, false, $user1 );
+               $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
+                                                               "adding section two", 0, false, $user1 );
 
                # now, try the rollback
                $admin->addGroup( "sysop" ); #XXX: make the test user a sysop...
@@ -609,8 +789,9 @@ more stuff
                }
 
                $page = new WikiPage( $page->getTitle() );
-               $this->assertEquals( $rev1->getSha1(), $page->getRevision()->getSha1(), "rollback did not revert to the correct revision" );
-               $this->assertEquals( "one", $page->getText() );
+               $this->assertEquals( $rev1->getSha1(), $page->getRevision()->getSha1(),
+                                                       "rollback did not revert to the correct revision" );
+               $this->assertEquals( "one", $page->getContent()->getNativeData() );
        }
 
        public function dataGetAutosummary( ) {
@@ -658,11 +839,14 @@ more stuff
         * @dataProvider dataGetAutoSummary
         */
        public function testGetAutosummary( $old, $new, $flags, $expected ) {
+               $this->hideDeprecated( "WikiPage::getAutosummary" );
+
                $page = $this->newPage( "WikiPageTest_testGetAutosummary" );
 
                $summary = $page->getAutosummary( $old, $new, $flags );
 
-               $this->assertTrue( (bool)preg_match( $expected, $summary ), "Autosummary didn't match expected pattern $expected: $summary" );
+               $this->assertTrue( (bool)preg_match( $expected, $summary ),
+                                                       "Autosummary didn't match expected pattern $expected: $summary" );
        }
 
        public function dataGetAutoDeleteReason( ) {
@@ -739,7 +923,9 @@ more stuff
                        if ( !empty( $edit[1] ) ) $user->setName( $edit[1] );
                        else $user = $wgUser;
 
-                       $page->doEdit( $edit[0], "test edit $c", $c < 2 ? EDIT_NEW : 0, false, $user );
+                       $content = ContentHandler::makeContent( $edit[0], $page->getTitle(), $page->getContentModel() );
+
+                       $page->doEditContent( $content, "test edit $c", $c < 2 ? EDIT_NEW : 0, false, $user );
 
                        $c += 1;
                }
@@ -747,9 +933,11 @@ more stuff
                $reason = $page->getAutoDeleteReason( $hasHistory );
 
                if ( is_bool( $expectedResult ) || is_null( $expectedResult ) ) $this->assertEquals( $expectedResult, $reason );
-               else $this->assertTrue( (bool)preg_match( $expectedResult, $reason ), "Autosummary didn't match expected pattern $expectedResult: $reason" );
+               else $this->assertTrue( (bool)preg_match( $expectedResult, $reason ),
+                                                               "Autosummary didn't match expected pattern $expectedResult: $reason" );
 
-               $this->assertEquals( $expectedHistory, $hasHistory, "expected \$hasHistory to be " . var_export( $expectedHistory, true ) );
+               $this->assertEquals( $expectedHistory, $hasHistory,
+                                                       "expected \$hasHistory to be " . var_export( $expectedHistory, true ) );
 
                $page->doDeleteArticle( "done" );
        }
diff --git a/tests/phpunit/includes/WikiPageTest_ContentHandlerUseDB.php b/tests/phpunit/includes/WikiPageTest_ContentHandlerUseDB.php
new file mode 100644 (file)
index 0000000..1af6806
--- /dev/null
@@ -0,0 +1,64 @@
+<?php
+
+/**
+ * @group ContentHandler
+ * @group Database
+ * ^--- important, causes temporary tables to be used instead of the real database
+ */
+class WikiPageTest_ContentHandlerUseDB extends WikiPageTest {
+       var $saveContentHandlerNoDB = null;
+
+       function setUp() {
+               global $wgContentHandlerUseDB;
+
+               parent::setUp();
+
+               $this->saveContentHandlerNoDB = $wgContentHandlerUseDB;
+
+               $wgContentHandlerUseDB = false;
+
+               $dbw = wfGetDB( DB_MASTER );
+
+               $page_table = $dbw->tableName( 'page' );
+               $revision_table = $dbw->tableName( 'revision' );
+               $archive_table = $dbw->tableName( 'archive' );
+
+               if ( $dbw->fieldExists( $page_table, 'page_content_model' ) ) {
+                       $dbw->query( "alter table $page_table drop column page_content_model" );
+                       $dbw->query( "alter table $revision_table drop column rev_content_model" );
+                       $dbw->query( "alter table $revision_table drop column rev_content_format" );
+                       $dbw->query( "alter table $archive_table drop column ar_content_model" );
+                       $dbw->query( "alter table $archive_table drop column ar_content_format" );
+               }
+       }
+
+       function tearDown() {
+               global $wgContentHandlerUseDB;
+
+               $wgContentHandlerUseDB = $this->saveContentHandlerNoDB;
+
+               parent::tearDown();
+       }
+
+       public function testGetContentModel() {
+               $page = $this->createPage( "WikiPageTest_testGetContentModel", "some text", CONTENT_MODEL_JAVASCRIPT );
+
+               $page = new WikiPage( $page->getTitle() );
+
+               // NOTE: since the content model is not recorded in the database,
+               //       we expect to get the default, namely CONTENT_MODEL_WIKITEXT
+               $this->assertEquals( CONTENT_MODEL_WIKITEXT, $page->getContentModel() );
+       }
+
+       public function testGetContentHandler() {
+               $page = $this->createPage( "WikiPageTest_testGetContentHandler", "some text", CONTENT_MODEL_JAVASCRIPT );
+
+               // NOTE: since the content model is not recorded in the database,
+               //       we expect to get the default, namely CONTENT_MODEL_WIKITEXT
+               $page = new WikiPage( $page->getTitle() );
+               $this->assertEquals( 'WikitextContentHandler', get_class( $page->getContentHandler() ) );
+       }
+
+}
+
+
diff --git a/tests/phpunit/includes/WikitextContentHandlerTest.php b/tests/phpunit/includes/WikitextContentHandlerTest.php
new file mode 100644 (file)
index 0000000..a7615cf
--- /dev/null
@@ -0,0 +1,199 @@
+<?php
+
+/**
+ * @group ContentHandler
+ */
+class WikitextContentHandlerTest extends MediaWikiTestCase {
+
+       /**
+        * @var ContentHandler
+        */
+       var $handler;
+
+       public function setup() {
+               $this->handler = ContentHandler::getForModelID( CONTENT_MODEL_WIKITEXT );
+       }
+
+       public function teardown() {
+       }
+
+       public function testSerializeContent( ) {
+               $content = new WikitextContent( 'hello world' );
+
+               $this->assertEquals( 'hello world', $this->handler->serializeContent( $content ) );
+               $this->assertEquals( 'hello world', $this->handler->serializeContent( $content, CONTENT_FORMAT_WIKITEXT ) );
+
+               try {
+                       $this->handler->serializeContent( $content, 'dummy/foo' );
+                       $this->fail( "serializeContent() should have failed on unknown format" );
+               } catch ( MWException $e ) {
+                       // ok, as expected
+               }
+       }
+
+       public function testUnserializeContent( ) {
+               $content = $this->handler->unserializeContent( 'hello world' );
+               $this->assertEquals( 'hello world', $content->getNativeData() );
+
+               $content = $this->handler->unserializeContent( 'hello world', CONTENT_FORMAT_WIKITEXT );
+               $this->assertEquals( 'hello world', $content->getNativeData() );
+
+               try {
+                       $this->handler->unserializeContent( 'hello world', 'dummy/foo' );
+                       $this->fail( "unserializeContent() should have failed on unknown format" );
+               } catch ( MWException $e ) {
+                       // ok, as expected
+               }
+       }
+
+       public function testMakeEmptyContent() {
+               $content = $this->handler->makeEmptyContent();
+
+               $this->assertTrue( $content->isEmpty() );
+               $this->assertEquals( '', $content->getNativeData() );
+       }
+
+       public function dataIsSupportedFormat( ) {
+               return array(
+                       array( null, true ),
+                       array( CONTENT_FORMAT_WIKITEXT, true ),
+                       array( 99887766, false ),
+               );
+       }
+
+       /**
+        * @dataProvider dataIsSupportedFormat
+        */
+       public function testIsSupportedFormat( $format, $supported ) {
+               $this->assertEquals( $supported, $this->handler->isSupportedFormat( $format ) );
+       }
+
+       public function dataMerge3( ) {
+               return array(
+                       array( "first paragraph
+
+                                       second paragraph\n",
+
+                                       "FIRST paragraph
+
+                                       second paragraph\n",
+
+                                       "first paragraph
+
+                                       SECOND paragraph\n",
+
+                                       "FIRST paragraph
+
+                                       SECOND paragraph\n",
+                       ),
+
+                       array( "first paragraph
+                                       second paragraph\n",
+
+                                  "Bla bla\n",
+
+                                  "Blubberdibla\n",
+
+                                  false,
+                       ),
+
+               );
+       }
+
+       /**
+        * @dataProvider dataMerge3
+        */
+       public function testMerge3( $old, $mine, $yours, $expected ) {
+               global $wgDiff3;
+
+               if ( !$wgDiff3 ) {
+                       $this->markTestSkipped( "Can't test merge3(), since \$wgDiff3 is not configured" );
+               }
+
+               if ( !file_exists( $wgDiff3 ) ) {
+                       #XXX: this sucks, since it uses arcane internal knowledge about TextContentHandler::merge3 and wfMerge.
+                       $this->markTestSkipped( "Can't test merge3(), since \$wgDiff3 is misconfigured: can't find $wgDiff3" );
+               }
+
+               // test merge
+               $oldContent = new WikitextContent( $old );
+               $myContent = new WikitextContent( $mine );
+               $yourContent = new WikitextContent( $yours );
+
+               $merged = $this->handler->merge3( $oldContent, $myContent, $yourContent );
+
+               $this->assertEquals( $expected, $merged ? $merged->getNativeData() : $merged );
+       }
+
+       public function dataGetAutosummary( ) {
+               return array(
+                       array(
+                               'Hello there, world!',
+                               '#REDIRECT [[Foo]]',
+                               0,
+                               '/^Redirected page .*Foo/'
+                       ),
+
+                       array(
+                               null,
+                               'Hello world!',
+                               EDIT_NEW,
+                               '/^Created page .*Hello/'
+                       ),
+
+                       array(
+                               'Hello there, world!',
+                               '',
+                               0,
+                               '/^Blanked/'
+                       ),
+
+                       array(
+                               'Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut
+                               labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et
+                               ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.',
+                               'Hello world!',
+                               0,
+                               '/^Replaced .*Hello/'
+                       ),
+
+                       array(
+                               'foo',
+                               'bar',
+                               0,
+                               '/^$/'
+                       ),
+               );
+       }
+
+       /**
+        * @dataProvider dataGetAutoSummary
+        */
+       public function testGetAutosummary( $old, $new, $flags, $expected ) {
+               global $wgLanguageCode, $wgContLang;
+
+               $oldContent = is_null( $old ) ? null : new WikitextContent( $old );
+               $newContent = is_null( $new ) ? null : new WikitextContent( $new );
+
+               $summary = $this->handler->getAutosummary( $oldContent, $newContent, $flags );
+
+               $this->assertTrue( (bool)preg_match( $expected, $summary ), "Autosummary didn't match expected pattern $expected: $summary" );
+       }
+
+       /**
+        * @todo Text case required database!
+        */
+       /*
+       public function testGetAutoDeleteReason( Title $title, &$hasHistory ) {
+       }
+       */
+
+       /**
+        * @todo Text case required database!
+        */
+       /*
+       public function testGetUndoContent( Revision $current, Revision $undo, Revision $undoafter = null ) {
+       }
+       */
+
+}
diff --git a/tests/phpunit/includes/WikitextContentTest.php b/tests/phpunit/includes/WikitextContentTest.php
new file mode 100644 (file)
index 0000000..449423b
--- /dev/null
@@ -0,0 +1,541 @@
+<?php
+
+/**
+ * @group ContentHandler
+ */
+class WikitextContentTest extends MediaWikiTestCase {
+
+       public function setup() {
+               $this->context = new RequestContext( new FauxRequest() );
+               $this->context->setTitle( Title::newFromText( "Test" ) );
+       }
+
+       public function newContent( $text ) {
+               return new WikitextContent( $text );
+       }
+
+
+       public function dataGetParserOutput() {
+               return array(
+                       array("WikitextContentTest_testGetParserOutput", "hello ''world''\n", "<p>hello <i>world</i>\n</p>"),
+                       // @todo: more...?
+               );
+       }
+
+       /**
+        * @dataProvider dataGetParserOutput
+        */
+       public function testGetParserOutput( $title, $text, $expectedHtml ) {
+               $title = Title::newFromText( $title );
+               $content = ContentHandler::makeContent( $text, $title );
+
+               $po = $content->getParserOutput( $title );
+
+               $this->assertEquals( $expectedHtml, $po->getText() );
+               // @todo: assert more properties
+       }
+
+       public function dataGetSecondaryDataUpdates() {
+               return array(
+                       array("WikitextContentTest_testGetSecondaryDataUpdates_1", "hello ''world''\n",
+                               array( 'LinksUpdate' => array(  'mRecursive' => true,
+                                                               'mLinks' => array() ) )
+                       ),
+                       array("WikitextContentTest_testGetSecondaryDataUpdates_2", "hello [[world test 21344]]\n",
+                               array( 'LinksUpdate' => array(  'mRecursive' => true,
+                                                               'mLinks' => array( array( 'World_test_21344' => 0 ) ) ) )
+                       ),
+                       // @todo: more...?
+               );
+       }
+
+       /**
+        * @dataProvider dataGetSecondaryDataUpdates
+        * @group Database
+        */
+       public function testGetSecondaryDataUpdates( $title, $text, $expectedStuff ) {
+               $title = Title::newFromText( $title );
+               $title->resetArticleID( 2342 ); //dummy id. fine as long as we don't try to execute the updates!
+
+               $handler = ContentHandler::getForModelID( $title->getContentModel() );
+               $content = ContentHandler::makeContent( $text, $title );
+
+               $updates = $content->getSecondaryDataUpdates( $title );
+
+               // make updates accessible by class name
+               foreach ( $updates as $update ) {
+                       $class = get_class( $update );
+                       $updates[ $class ] = $update;
+               }
+
+               foreach ( $expectedStuff as $class => $fieldValues ) {
+                       $this->assertArrayHasKey( $class, $updates, "missing an update of type $class" );
+
+                       $update = $updates[ $class ];
+
+                       foreach ( $fieldValues as $field => $value ) {
+                               $v = $update->$field; #if the field doesn't exist, just crash and burn
+                               $this->assertEquals( $value, $v, "unexpected value for field $field in instance of $class" );
+                       }
+               }
+       }
+
+
+       static $sections =
+
+"Intro
+
+== stuff ==
+hello world
+
+== test ==
+just a test
+
+== foo ==
+more stuff
+";
+
+       public function dataGetSection() {
+               return array(
+                       array( WikitextContentTest::$sections,
+                                       "0",
+                                       "Intro"
+                       ),
+                       array( WikitextContentTest::$sections,
+                                       "2",
+"== test ==
+just a test"
+                       ),
+                       array( WikitextContentTest::$sections,
+                                       "8",
+                                       false
+                       ),
+               );
+       }
+
+       /**
+        * @dataProvider dataGetSection
+        */
+       public function testGetSection( $text, $sectionId, $expectedText ) {
+               $content = $this->newContent( $text );
+
+               $sectionContent = $content->getSection( $sectionId );
+
+               $this->assertEquals( $expectedText, is_null( $sectionContent ) ? null : $sectionContent->getNativeData() );
+       }
+
+       public function dataReplaceSection() {
+               return array(
+                       array( WikitextContentTest::$sections,
+                              "0",
+                              "No more",
+                              null,
+                              trim( preg_replace( '/^Intro/sm', 'No more', WikitextContentTest::$sections ) )
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "",
+                              "No more",
+                              null,
+                              "No more"
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "2",
+                              "== TEST ==\nmore fun",
+                              null,
+                              trim( preg_replace( '/^== test ==.*== foo ==/sm', "== TEST ==\nmore fun\n\n== foo ==", WikitextContentTest::$sections ) )
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "8",
+                              "No more",
+                              null,
+                              WikitextContentTest::$sections
+                       ),
+                       array( WikitextContentTest::$sections,
+                              "new",
+                              "No more",
+                              "New",
+                              trim( WikitextContentTest::$sections ) . "\n\n\n== New ==\n\nNo more"
+                       ),
+               );
+       }
+
+       /**
+        * @dataProvider dataReplaceSection
+        */
+       public function testReplaceSection( $text, $section, $with, $sectionTitle, $expected ) {
+               $content = $this->newContent( $text );
+               $c = $content->replaceSection( $section, $this->newContent( $with ), $sectionTitle );
+
+               $this->assertEquals( $expected, is_null( $c ) ? null : $c->getNativeData() );
+       }
+
+       public function testAddSectionHeader( ) {
+               $content = $this->newContent( 'hello world' );
+               $content = $content->addSectionHeader( 'test' );
+
+               $this->assertEquals( "== test ==\n\nhello world", $content->getNativeData() );
+       }
+
+       public function dataPreSaveTransform() {
+               return array(
+                       array( 'hello this is ~~~',
+                              "hello this is [[Special:Contributions/127.0.0.1|127.0.0.1]]",
+                       ),
+                       array( 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
+                              'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
+                       ),
+               );
+       }
+
+       /**
+        * @dataProvider dataPreSaveTransform
+        */
+       public function testPreSaveTransform( $text, $expected ) {
+               global $wgUser, $wgContLang;
+               $options = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
+
+               $content = $this->newContent( $text );
+               $content = $content->preSaveTransform( $this->context->getTitle(), $this->context->getUser(), $options );
+
+               $this->assertEquals( $expected, $content->getNativeData() );
+       }
+
+       public function dataPreloadTransform() {
+               return array(
+                       array( 'hello this is ~~~',
+                              "hello this is ~~~",
+                       ),
+                       array( 'hello \'\'this\'\' is <noinclude>foo</noinclude><includeonly>bar</includeonly>',
+                              'hello \'\'this\'\' is bar',
+                       ),
+               );
+       }
+
+       /**
+        * @dataProvider dataPreloadTransform
+        */
+       public function testPreloadTransform( $text, $expected ) {
+               global $wgUser, $wgContLang;
+               $options = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
+
+               $content = $this->newContent( $text );
+               $content = $content->preloadTransform( $this->context->getTitle(), $options );
+
+               $this->assertEquals( $expected, $content->getNativeData() );
+       }
+
+       public function dataGetRedirectTarget() {
+               return array(
+                       array( '#REDIRECT [[Test]]',
+                              'Test',
+                       ),
+                       array( '#REDIRECT Test',
+                              null,
+                       ),
+                       array( '* #REDIRECT [[Test]]',
+                              null,
+                       ),
+               );
+       }
+
+       /**
+        * @dataProvider dataGetRedirectTarget
+        */
+       public function testGetRedirectTarget( $text, $expected ) {
+               $content = $this->newContent( $text );
+               $t = $content->getRedirectTarget( );
+
+               if ( is_null( $expected ) ) $this->assertNull( $t, "text should not have generated a redirect target: $text" );
+               else $this->assertEquals( $expected, $t->getPrefixedText() );
+       }
+
+       /**
+        * @dataProvider dataGetRedirectTarget
+        */
+       public function isRedirect( $text, $expected ) {
+               $content = $this->newContent( $text );
+
+               $this->assertEquals( !is_null($expected), $content->isRedirect() );
+       }
+
+
+       /**
+        * @todo: test needs database!
+        */
+       /*
+       public function getRedirectChain() {
+               $text = $this->getNativeData();
+               return Title::newFromRedirectArray( $text );
+       }
+       */
+
+       /**
+        * @todo: test needs database!
+        */
+       /*
+       public function getUltimateRedirectTarget() {
+               $text = $this->getNativeData();
+               return Title::newFromRedirectRecurse( $text );
+       }
+       */
+
+
+       public function dataIsCountable() {
+               return array(
+                       array( '',
+                              null,
+                              'any',
+                              true
+                       ),
+                       array( 'Foo',
+                              null,
+                              'any',
+                              true
+                       ),
+                       array( 'Foo',
+                              null,
+                              'comma',
+                              false
+                       ),
+                       array( 'Foo, bar',
+                              null,
+                              'comma',
+                              true
+                       ),
+                       array( 'Foo',
+                              null,
+                              'link',
+                              false
+                       ),
+                       array( 'Foo [[bar]]',
+                              null,
+                              'link',
+                              true
+                       ),
+                       array( 'Foo',
+                              true,
+                              'link',
+                              true
+                       ),
+                       array( 'Foo [[bar]]',
+                              false,
+                              'link',
+                              false
+                       ),
+                       array( '#REDIRECT [[bar]]',
+                              true,
+                              'any',
+                              false
+                       ),
+                       array( '#REDIRECT [[bar]]',
+                              true,
+                              'comma',
+                              false
+                       ),
+                       array( '#REDIRECT [[bar]]',
+                              true,
+                              'link',
+                              false
+                       ),
+               );
+       }
+
+
+       /**
+        * @dataProvider dataIsCountable
+        * @group Database
+        */
+       public function testIsCountable( $text, $hasLinks, $mode, $expected ) {
+               global $wgArticleCountMethod;
+
+               $old = $wgArticleCountMethod;
+               $wgArticleCountMethod = $mode;
+
+               $content = $this->newContent( $text );
+
+               $v = $content->isCountable( $hasLinks, $this->context->getTitle() );
+               $wgArticleCountMethod = $old;
+
+               $this->assertEquals( $expected, $v, "isCountable() returned unexpected value " . var_export( $v, true )
+                                                   . " instead of " . var_export( $expected, true ) . " in mode `$mode` for text \"$text\"" );
+       }
+
+       public function dataGetTextForSummary() {
+               return array(
+                       array( "hello\nworld.",
+                              16,
+                              'hello world.',
+                       ),
+                       array( 'hello world.',
+                              8,
+                              'hello...',
+                       ),
+                       array( '[[hello world]].',
+                              8,
+                              'hel...',
+                       ),
+               );
+       }
+
+       /**
+        * @dataProvider dataGetTextForSummary
+        */
+       public function testGetTextForSummary( $text, $maxlength, $expected ) {
+               $content = $this->newContent( $text );
+
+               $this->assertEquals( $expected, $content->getTextForSummary( $maxlength ) );
+       }
+
+
+       public function testGetTextForSearchIndex( ) {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( "hello world.", $content->getTextForSearchIndex() );
+       }
+
+       public function testCopy() {
+               $content = $this->newContent( "hello world." );
+               $copy = $content->copy();
+
+               $this->assertTrue( $content->equals( $copy ), "copy must be equal to original" );
+               $this->assertEquals( "hello world.", $copy->getNativeData() );
+       }
+
+       public function testGetSize( ) {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( 12, $content->getSize() );
+       }
+
+       public function testGetNativeData( ) {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( "hello world.", $content->getNativeData() );
+       }
+
+       public function testGetWikitextForTransclusion( ) {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( "hello world.", $content->getWikitextForTransclusion() );
+       }
+
+       public function testMatchMagicWord( ) {
+               $mw = MagicWord::get( "staticredirect" );
+
+               $content = $this->newContent( "#REDIRECT [[FOO]]\n__STATICREDIRECT__" );
+               $this->assertTrue( $content->matchMagicWord( $mw ), "should have matched magic word" );
+
+               $content = $this->newContent( "#REDIRECT [[FOO]]" );
+               $this->assertFalse( $content->matchMagicWord( $mw ), "should not have matched magic word" );
+       }
+
+       public function testUpdateRedirect( ) {
+               $target = Title::newFromText( "testUpdateRedirect_target" );
+
+               // test with non-redirect page
+               $content = $this->newContent( "hello world." );
+               $newContent = $content->updateRedirect( $target );
+
+               $this->assertTrue( $content->equals( $newContent ), "content should be unchanged" );
+
+               // test with actual redirect
+               $content = $this->newContent( "#REDIRECT [[Someplace]]" );
+               $newContent = $content->updateRedirect( $target );
+
+               $this->assertFalse( $content->equals( $newContent ), "content should have changed" );
+               $this->assertTrue( $newContent->isRedirect(), "new content should be a redirect" );
+
+               $this->assertEquals( $target->getFullText(), $newContent->getRedirectTarget()->getFullText() );
+       }
+
+       # =================================================================================================================
+
+       public function testGetModel() {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( CONTENT_MODEL_WIKITEXT, $content->getModel() );
+       }
+
+       public function testGetContentHandler() {
+               $content = $this->newContent( "hello world." );
+
+               $this->assertEquals( CONTENT_MODEL_WIKITEXT, $content->getContentHandler()->getModelID() );
+       }
+
+       public function dataIsEmpty( ) {
+               return array(
+                       array( '', true ),
+                       array( '  ', false ),
+                       array( '0', false ),
+                       array( 'hallo welt.', false ),
+               );
+       }
+
+       /**
+        * @dataProvider dataIsEmpty
+        */
+       public function testIsEmpty( $text, $empty ) {
+               $content = $this->newContent( $text );
+
+               $this->assertEquals( $empty, $content->isEmpty() );
+       }
+
+       public function dataEquals( ) {
+               return array(
+                       array( new WikitextContent( "hallo" ), null, false ),
+                       array( new WikitextContent( "hallo" ), new WikitextContent( "hallo" ), true ),
+                       array( new WikitextContent( "hallo" ), new JavascriptContent( "hallo" ), false ),
+                       array( new WikitextContent( "hallo" ), new WikitextContent( "HALLO" ), false ),
+               );
+       }
+
+       /**
+        * @dataProvider dataEquals
+        */
+       public function testEquals( Content $a, Content $b = null, $equal = false ) {
+               $this->assertEquals( $equal, $a->equals( $b ) );
+       }
+
+       public function dataGetDeletionUpdates() {
+               return array(
+                       array("WikitextContentTest_testGetSecondaryDataUpdates_1", "hello ''world''\n",
+                               array( 'LinksDeletionUpdate' => array( ) )
+                       ),
+                       array("WikitextContentTest_testGetSecondaryDataUpdates_2", "hello [[world test 21344]]\n",
+                               array( 'LinksDeletionUpdate' => array( ) )
+                       ),
+                       // @todo: more...?
+               );
+       }
+
+       /**
+        * @dataProvider dataGetDeletionUpdates
+        */
+       public function testDeletionUpdates( $title, $text, $expectedStuff ) {
+               $title = Title::newFromText( $title );
+               $title->resetArticleID( 2342 ); //dummy id. fine as long as we don't try to execute the updates!
+
+               $handler = ContentHandler::getForModelID( $title->getContentModel() );
+               $content = ContentHandler::makeContent( $text, $title );
+
+               $updates = $content->getDeletionUpdates( $title );
+
+               // make updates accessible by class name
+               foreach ( $updates as $update ) {
+                       $class = get_class( $update );
+                       $updates[ $class ] = $update;
+               }
+
+               foreach ( $expectedStuff as $class => $fieldValues ) {
+                       $this->assertArrayHasKey( $class, $updates, "missing an update of type $class" );
+
+                       $update = $updates[ $class ];
+
+                       foreach ( $fieldValues as $field => $value ) {
+                               $v = $update->$field; #if the field doesn't exist, just crash and burn
+                               $this->assertEquals( $value, $v, "unexpected value for field $field in instance of $class" );
+                       }
+               }
+       }
+
+}
index f9d78e5..f9f72c4 100644 (file)
@@ -1,6 +1,9 @@
 <?php
 
 /**
+ * @group medium
+ * ^---- causes phpunit to use a higher timeout threshold
+ * 
  * @group FileRepo
  * @group FileBackend
  */
index 957907c..4522e50 100644 (file)
@@ -94,7 +94,7 @@ class SearchEngineTest extends MediaWikiTestCase {
                LinkCache::singleton()->clear();
 
                $page = WikiPage::factory( $title );
-               $page->doEdit( $text, $comment, 0, false, $user );
+               $page->doEditContent( ContentHandler::makeContent( $text, $title ), $comment, 0, false, $user );
 
                $this->pageList[] = array( $title, $page->getId() );
 
old mode 100755 (executable)
new mode 100644 (file)
index d134438..aceedf9 100644 (file)
@@ -35,7 +35,7 @@ abstract class DumpTestCase extends MediaWikiLangTestCase {
         * @throws MWExcepion
         */
        protected function addRevision( Page $page, $text, $summary ) {
-               $status = $page->doEdit( $text, $summary );
+               $status = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ), $summary );
                if ( $status->isGood() ) {
                        $value = $status->getValue();
                        $revision = $value['revision'];
@@ -295,9 +295,12 @@ abstract class DumpTestCase extends MediaWikiLangTestCase {
         * @param $text_sha1 string: the base36 SHA-1 of the revision's text
         * @param $text string|false: (optional) The revision's string, or false to check for a
         *            revision stub
+        * @param $model String: the expected content model id (default: CONTENT_MODEL_WIKITEXT)
+        * @param $format String: the expected format model id (default: CONTENT_FORMAT_WIKITEXT)
         * @param $parentid int|false: (optional) id of the parent revision
         */
-       protected function assertRevision( $id, $summary, $text_id, $text_bytes, $text_sha1, $text = false, $parentid = false ) {
+       protected function assertRevision( $id, $summary, $text_id, $text_bytes, $text_sha1, $text = false, $parentid = false,
+                                               $model = CONTENT_MODEL_WIKITEXT, $format = CONTENT_FORMAT_WIKITEXT ) {
 
                $this->assertNodeStart( "revision" );
                $this->skipWhitespace();
@@ -315,9 +318,33 @@ abstract class DumpTestCase extends MediaWikiLangTestCase {
                $this->skipWhitespace();
 
                $this->assertTextNode( "comment", $summary );
+               $this->skipWhitespace();
+
+               if ( $this->xml->name == "text" ) {
+                       // note: <text> tag may occur here or at the very end.
+                       $text_found = true;
+                       $this->assertText( $id, $text_id, $text_bytes, $text );
+               } else {
+                       $text_found = false;
+               }
 
                $this->assertTextNode( "sha1", $text_sha1 );
 
+               $this->assertTextNode( "model", $model );
+               $this->skipWhitespace();
+
+               $this->assertTextNode( "format", $format );
+               $this->skipWhitespace();
+
+               if ( !$text_found ) {
+                       $this->assertText( $id, $text_id, $text_bytes, $text );
+               }
+
+               $this->assertNodeEnd( "revision" );
+               $this->skipWhitespace();
+       }
+
+       protected function assertText( $id, $text_id, $text_bytes, $text ) {
                $this->assertNodeStart( "text", false );
                if ( $text_bytes !== false ) {
                        $this->assertEquals( $this->xml->getAttribute( "bytes" ), $text_bytes,
@@ -344,9 +371,5 @@ abstract class DumpTestCase extends MediaWikiLangTestCase {
                        $this->assertNodeEnd( "text" );
                        $this->skipWhitespace();
                }
-
-               $this->assertNodeEnd( "revision" );
-               $this->skipWhitespace();
        }
-
 }
index 8ff8557..5178154 100644 (file)
@@ -199,6 +199,8 @@ class BaseDumpTest extends MediaWikiTestCase {
       <comment>BackupDumperTestP1Summary1</comment>
       <sha1>0bolhl6ol7i6x0e7yq91gxgaan39j87</sha1>
       <text xml:space="preserve">BackupDumperTestP1Text1</text>
+      <model name="wikitext">1</model>
+      <format mime="text/x-wiki">1</format>
     </revision>
   </page>
 ';
@@ -216,6 +218,8 @@ class BaseDumpTest extends MediaWikiTestCase {
       <comment>BackupDumperTestP2Summary1</comment>
       <sha1>jprywrymfhysqllua29tj3sc7z39dl2</sha1>
       <text xml:space="preserve">BackupDumperTestP2Text1</text>
+      <model name="wikitext">1</model>
+      <format mime="text/x-wiki">1</format>
     </revision>
     <revision>
       <id>5</id>
@@ -227,6 +231,8 @@ class BaseDumpTest extends MediaWikiTestCase {
       <comment>BackupDumperTestP2Summary4 extra</comment>
       <sha1>6o1ciaxa6pybnqprmungwofc4lv00wv</sha1>
       <text xml:space="preserve">BackupDumperTestP2Text4 some additional Text</text>
+      <model name="wikitext">1</model>
+      <format mime="text/x-wiki">1</format>
     </revision>
   </page>
 ';
@@ -243,6 +249,8 @@ class BaseDumpTest extends MediaWikiTestCase {
       </contributor>
       <comment>Talk BackupDumperTestP1 Summary1</comment>
       <sha1>nktofwzd0tl192k3zfepmlzxoax1lpe</sha1>
+      <model name="wikitext">1</model>
+      <format mime="text/x-wiki">1</format>
       <text xml:space="preserve">Talk about BackupDumperTestP1 Text1</text>
     </revision>
   </page>
index f669b26..db5b877 100644 (file)
@@ -383,7 +383,7 @@ class TextPassDumperTest extends DumpTestCase {
                $this->assertEmpty( $files, "Remaining unchecked files" );
 
                // ... and have dealt with more than one checkpoint file
-               $this->assertGreaterThan( 1, $checkpointFiles, "# of checkpoint files" );
+               $this->assertGreaterThan( 1, $checkpointFiles, "expected more than 1 checkpoint to have been created. Checkpoint interval is $checkpointAfter seconds, maybe your computer is too fast?" );
 
                $this->expectETAOutput();
        }
@@ -481,6 +481,8 @@ class TextPassDumperTest extends DumpTestCase {
       </contributor>
       <comment>BackupDumperTestP1Summary1</comment>
       <sha1>0bolhl6ol7i6x0e7yq91gxgaan39j87</sha1>
+      <model>wikitext</model>
+      <format>text/x-wiki</format>
       <text id="' . $this->textId1_1 . '" bytes="23" />
     </revision>
   </page>
@@ -497,6 +499,8 @@ class TextPassDumperTest extends DumpTestCase {
       </contributor>
       <comment>BackupDumperTestP2Summary1</comment>
       <sha1>jprywrymfhysqllua29tj3sc7z39dl2</sha1>
+      <model>wikitext</model>
+      <format>text/x-wiki</format>
       <text id="' . $this->textId2_1 . '" bytes="23" />
     </revision>
     <revision>
@@ -508,6 +512,8 @@ class TextPassDumperTest extends DumpTestCase {
       </contributor>
       <comment>BackupDumperTestP2Summary2</comment>
       <sha1>b7vj5ks32po5m1z1t1br4o7scdwwy95</sha1>
+      <model>wikitext</model>
+      <format>text/x-wiki</format>
       <text id="' . $this->textId2_2 . '" bytes="23" />
     </revision>
     <revision>
@@ -519,6 +525,8 @@ class TextPassDumperTest extends DumpTestCase {
       </contributor>
       <comment>BackupDumperTestP2Summary3</comment>
       <sha1>jfunqmh1ssfb8rs43r19w98k28gg56r</sha1>
+      <model>wikitext</model>
+      <format>text/x-wiki</format>
       <text id="' . $this->textId2_3 . '" bytes="23" />
     </revision>
     <revision>
@@ -530,6 +538,8 @@ class TextPassDumperTest extends DumpTestCase {
       </contributor>
       <comment>BackupDumperTestP2Summary4 extra</comment>
       <sha1>6o1ciaxa6pybnqprmungwofc4lv00wv</sha1>
+      <model>wikitext</model>
+      <format>text/x-wiki</format>
       <text id="' . $this->textId2_4 . '" bytes="44" />
     </revision>
   </page>
@@ -548,6 +558,8 @@ class TextPassDumperTest extends DumpTestCase {
       </contributor>
       <comment>Talk BackupDumperTestP1 Summary1</comment>
       <sha1>nktofwzd0tl192k3zfepmlzxoax1lpe</sha1>
+      <model>wikitext</model>
+      <format>text/x-wiki</format>
       <text id="' . $this->textId4_1 . '" bytes="35" />
     </revision>
   </page>
index e7ffa01..fd6db0a 100644 (file)
@@ -111,7 +111,7 @@ class FetchTextTest extends MediaWikiTestCase {
         * @throws MWExcepion
         */
        private function addRevision( $page, $text, $summary ) {
-               $status = $page->doEdit( $text, $summary );
+               $status = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ), $summary );
                if ( $status->isGood() ) {
                        $value = $status->getValue();
                        $revision = $value['revision'];
index f286fa1..f4ee500 100644 (file)
@@ -11,8 +11,8 @@
                 timeoutForSmallTests="2"
                 timeoutForMediumTests="10"
                 timeoutForLargeTests="60"
-         strict="true"
-                verbose="true">
+                strict="false"
+                verbose="false">
        <testsuites>
                <testsuite name="includes">
                        <directory>includes</directory>
index 8307b48..d4c6165 100644 (file)
--- a/thumb.php
+++ b/thumb.php
@@ -71,10 +71,9 @@ function wfThumbHandle404() {
        }
        # Just get the URI path (REDIRECT_URL/REQUEST_URI is either a full URL or a path)
        if ( substr( $uriPath, 0, 1 ) !== '/' ) {
-               $bits = wfParseUrl( $uriPath );
-               if ( $bits && isset( $bits['path'] ) ) {
-                       $uriPath = $bits['path'];
-               } else {
+               $uri = new Uri( $uriPath );
+               $uriPath = $uri->getPath();
+               if ( $uriPath === null ) {
                        wfThumbError( 404, 'The source file for the specified thumbnail does not exist.' );
                        return;
                }