* @addtogroup Parser
*/
-/**
- * Update this version number when the ParserOutput format
- * changes in an incompatible way, so the parser cache
- * can automatically discard old data.
- */
-define( 'MW_PARSER_VERSION', '1.6.2' );
-
-define( 'RLH_FOR_UPDATE', 1 );
-
-# Allowed values for $mOutputType
-define( 'OT_HTML', 1 );
-define( 'OT_WIKI', 2 );
-define( 'OT_MSG' , 3 );
-define( 'OT_PREPROCESS', 4 );
-
-# Flags for setFunctionHook
-define( 'SFH_NO_HASH', 1 );
-
-# string parameter for extractTags which will cause it
-# to strip HTML comments in addition to regular
-# <XML>-style tags. This should not be anything we
-# may want to use in wikisyntax
-define( 'STRIP_COMMENTS', 'HTMLCommentStrip' );
-
-# Constants needed for external link processing
-define( 'HTTP_PROTOCOLS', 'http:\/\/|https:\/\/' );
-# Everything except bracket, space, or control characters
-define( 'EXT_LINK_URL_CLASS', '[^][<>"\\x00-\\x20\\x7F]' );
-# Including space, but excluding newlines
-define( 'EXT_LINK_TEXT_CLASS', '[^\]\\x0a\\x0d]' );
-define( 'EXT_IMAGE_FNAME_CLASS', '[A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]' );
-define( 'EXT_IMAGE_EXTENSIONS', 'gif|png|jpg|jpeg' );
-define( 'EXT_LINK_BRACKETED', '/\[(\b(' . wfUrlProtocols() . ')'.
- EXT_LINK_URL_CLASS.'+) *('.EXT_LINK_TEXT_CLASS.'*?)\]/S' );
-define( 'EXT_IMAGE_REGEX',
- '/^('.HTTP_PROTOCOLS.')'. # Protocol
- '('.EXT_LINK_URL_CLASS.'+)\\/'. # Hostname and path
- '('.EXT_IMAGE_FNAME_CLASS.'+)\\.((?i)'.EXT_IMAGE_EXTENSIONS.')$/S' # Filename
-);
-
-// State constants for the definition list colon extraction
-define( 'MW_COLON_STATE_TEXT', 0 );
-define( 'MW_COLON_STATE_TAG', 1 );
-define( 'MW_COLON_STATE_TAGSTART', 2 );
-define( 'MW_COLON_STATE_CLOSETAG', 3 );
-define( 'MW_COLON_STATE_TAGSLASH', 4 );
-define( 'MW_COLON_STATE_COMMENT', 5 );
-define( 'MW_COLON_STATE_COMMENTDASH', 6 );
-define( 'MW_COLON_STATE_COMMENTDASHDASH', 7 );
/**
* PHP Parser - Processes wiki markup (which uses a more user-friendly
*/
class Parser
{
- const VERSION = MW_PARSER_VERSION;
+ /**
+ * Update this version number when the ParserOutput format
+ * changes in an incompatible way, so the parser cache
+ * can automatically discard old data.
+ */
+ const VERSION = '1.6.2';
+
+ # Flags for Parser::setFunctionHook
+ # Also available as global constants from Defines.php
+ const SFH_NO_HASH = 1;
+ const SFH_OBJECT_ARGS = 2;
+
+ # Constants needed for external link processing
+ # Everything except bracket, space, or control characters
+ const EXT_LINK_URL_CLASS = '[^][<>"\\x00-\\x20\\x7F]';
+ const EXT_IMAGE_REGEX = '/^(http:\/\/|https:\/\/)([^][<>"\\x00-\\x20\\x7F]+)\
+ \\/([A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]+)\\.((?i)gif|png|jpg|jpeg)$/S';
+
+ // State constants for the definition list colon extraction
+ const COLON_STATE_TEXT = 0;
+ const COLON_STATE_TAG = 1;
+ const COLON_STATE_TAGSTART = 2;
+ const COLON_STATE_CLOSETAG = 3;
+ const COLON_STATE_TAGSLASH = 4;
+ const COLON_STATE_COMMENT = 5;
+ const COLON_STATE_COMMENTDASH = 6;
+ const COLON_STATE_COMMENTDASHDASH = 7;
+
/**#@+
* @private
*/
# Persistent:
var $mTagHooks, $mTransparentTagHooks, $mFunctionHooks, $mFunctionSynonyms, $mVariables,
- $mImageParams, $mImageParamsMagicArray;
+ $mImageParams, $mImageParamsMagicArray, $mStripList, $mMarkerSuffix,
+ $mExtLinkBracketedRegex;
# Cleared with clearState():
var $mOutput, $mAutonumber, $mDTopen, $mStripState;
var $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
- var $mInterwikiLinkHolders, $mLinkHolders, $mUniqPrefix;
- var $mIncludeSizes, $mDefaultSort;
- var $mTemplates, // cache of already loaded templates, avoids
- // multiple SQL queries for the same string
+ var $mInterwikiLinkHolders, $mLinkHolders;
+ var $mIncludeSizes, $mPPNodeCount, $mDefaultSort;
+ var $mTplExpandCache,// empty-frame expansion cache
$mTemplatePath; // stores an unsorted hash of all the templates already loaded
// in this path. Used for loop detection.
+ var $mTplRedirCache, $mTplDomCache, $mHeadings;
# Temporary
# These are variables reset at least once per parse regardless of $clearState
*
* @public
*/
- function Parser() {
+ function __construct( $conf = array() ) {
$this->mTagHooks = array();
$this->mTransparentTagHooks = array();
$this->mFunctionHooks = array();
$this->mFunctionSynonyms = array( 0 => array(), 1 => array() );
+ $this->mStripList = array( 'nowiki', 'gallery' );
+ $this->mMarkerSuffix = "-QINU\x7f";
+ $this->mExtLinkBracketedRegex = '/\[(\b(' . wfUrlProtocols() . ')'.
+ '[^][<>"\\x00-\\x20\\x7F]+) *([^\]\\x0a\\x0d]*?)\]/S';
$this->mFirstCall = true;
}
wfProfileIn( __METHOD__ );
global $wgAllowDisplayTitle, $wgAllowSlowParserFunctions;
-
+
$this->setHook( 'pre', array( $this, 'renderPreTag' ) );
$this->setFunctionHook( 'int', array( 'CoreParserFunctions', 'intFunction' ), SFH_NO_HASH );
$this->mDTopen = false;
$this->mIncludeCount = array();
$this->mStripState = new StripState;
- $this->mArgStack = array();
+ $this->mArgStack = false;
$this->mInPre = false;
$this->mInterwikiLinkHolders = array(
'texts' => array(),
* Using it at the front also gives us a little extra robustness
* since it shouldn't match when butted up against identifier-like
* string constructs.
+ *
+ * Must not consist of all title characters, or else it will change
+ * the behaviour of <nowiki> in a link.
*/
- $this->mUniqPrefix = "\x07UNIQ" . Parser::getRandomString();
+ #$this->mUniqPrefix = "\x07UNIQ" . Parser::getRandomString();
+ $this->mUniqPrefix = "\x7fUNIQ" . Parser::getRandomString();
# Clear these on every parse, bug 4549
- $this->mTemplates = array();
$this->mTemplatePath = array();
+ $this->mTplExpandCache = $this->mTplRedirCache = $this->mTplDomCache = array();
$this->mShowToc = true;
$this->mForceTocPosition = false;
$this->mIncludeSizes = array(
- 'pre-expand' => 0,
'post-expand' => 0,
- 'arg' => 0
+ 'arg' => 0,
);
+ $this->mPPNodeCount = 0;
$this->mDefaultSort = false;
+ $this->mHeadings = array();
wfRunHooks( 'ParserClearState', array( &$this ) );
wfProfileOut( __METHOD__ );
}
$this->setOutputType( OT_HTML );
wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
- $text = $this->strip( $text, $this->mStripState );
+ # No more strip!
wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
$text = $this->internalParse( $text );
$text = $this->mStripState->unstripGeneral( $text );
//!JF Move to its own function
$uniq_prefix = $this->mUniqPrefix;
- $matches = array();
+ $matches = array();
$elements = array_keys( $this->mTransparentTagHooks );
- $text = Parser::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
-
- foreach( $matches as $marker => $data ) {
- list( $element, $content, $params, $tag ) = $data;
- $tagName = strtolower( $element );
- if( isset( $this->mTransparentTagHooks[$tagName] ) ) {
- $output = call_user_func_array( $this->mTransparentTagHooks[$tagName],
- array( $content, $params, $this ) );
- } else {
+ $text = Parser::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
+
+ foreach( $matches as $marker => $data ) {
+ list( $element, $content, $params, $tag ) = $data;
+ $tagName = strtolower( $element );
+ if( isset( $this->mTransparentTagHooks[$tagName] ) ) {
+ $output = call_user_func_array( $this->mTransparentTagHooks[$tagName],
+ array( $content, $params, $this ) );
+ } else {
$output = $tag;
}
$this->mStripState->general->setPair( $marker, $output );
if ( max( $this->mIncludeSizes ) > 1000 ) {
$max = $this->mOptions->getMaxIncludeSize();
$text .= "<!-- \n" .
- "Pre-expand include size: {$this->mIncludeSizes['pre-expand']} bytes\n" .
+ "Preprocessor node count: {$this->mPPNodeCount}\n" .
"Post-expand include size: {$this->mIncludeSizes['post-expand']} bytes\n" .
"Template argument size: {$this->mIncludeSizes['arg']} bytes\n" .
"Maximum: $max bytes\n" .
function recursiveTagParse( $text ) {
wfProfileIn( __METHOD__ );
wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
- $text = $this->strip( $text, $this->mStripState );
wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
$text = $this->internalParse( $text );
wfProfileOut( __METHOD__ );
$this->mRevisionId = $revid;
}
wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
- $text = $this->strip( $text, $this->mStripState );
wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
+ $text = $this->replaceVariables( $text );
if ( $this->mOptions->getRemoveComments() ) {
$text = Sanitizer::removeHTMLcomments( $text );
}
- $text = $this->replaceVariables( $text );
$text = $this->mStripState->unstripBoth( $text );
wfProfileOut( __METHOD__ );
return $text;
$inside = $p[4];
}
- $marker = "$uniq_prefix-$element-" . sprintf('%08X', $n++) . "-QINU\x07";
+ $marker = "$uniq_prefix-$element-" . sprintf('%08X', $n++) . $this->mMarkerSuffix;
$stripped .= $marker;
if ( $close === '/>' ) {
}
/**
- * Strips and renders nowiki, pre, math, hiero
- * If $render is set, performs necessary rendering operations on plugins
- * Returns the text, and fills an array with data needed in unstrip()
- *
- * @param StripState $state
- *
- * @param bool $stripcomments when set, HTML comments <!-- like this -->
- * will be stripped in addition to other tags. This is important
- * for section editing, where these comments cause confusion when
- * counting the sections in the wikisource
- *
- * @param array dontstrip contains tags which should not be stripped;
- * used to prevent stipping of <gallery> when saving (fixes bug 2700)
- *
- * @private
+ * Get a list of strippable XML-like elements
*/
- function strip( $text, $state, $stripcomments = false , $dontstrip = array () ) {
- global $wgContLang;
- wfProfileIn( __METHOD__ );
- $render = ($this->mOutputType == OT_HTML);
-
- $uniq_prefix = $this->mUniqPrefix;
- $commentState = new ReplacementArray;
- $nowikiItems = array();
- $generalItems = array();
-
- $elements = array_merge(
- array( 'nowiki', 'gallery' ),
- array_keys( $this->mTagHooks ) );
+ function getStripList() {
global $wgRawHtml;
+ $elements = $this->mStripList;
if( $wgRawHtml ) {
$elements[] = 'html';
}
if( $this->mOptions->getUseTeX() ) {
$elements[] = 'math';
}
+ return $elements;
+ }
- # Removing $dontstrip tags from $elements list (currently only 'gallery', fixing bug 2700)
- foreach ( $elements AS $k => $v ) {
- if ( !in_array ( $v , $dontstrip ) ) continue;
- unset ( $elements[$k] );
- }
-
- $matches = array();
- $text = Parser::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
-
- foreach( $matches as $marker => $data ) {
- list( $element, $content, $params, $tag ) = $data;
- if( $render ) {
- $tagName = strtolower( $element );
- wfProfileIn( __METHOD__."-render-$tagName" );
- switch( $tagName ) {
- case '!--':
- // Comment
- if( substr( $tag, -3 ) == '-->' ) {
- $output = $tag;
- } else {
- // Unclosed comment in input.
- // Close it so later stripping can remove it
- $output = "$tag-->";
- }
- break;
- case 'html':
- if( $wgRawHtml ) {
- $output = $content;
- break;
- }
- // Shouldn't happen otherwise. :)
- case 'nowiki':
- $output = Xml::escapeTagsOnly( $content );
- break;
- case 'math':
- $output = $wgContLang->armourMath(
- MathRenderer::renderMath( $content, $params ) );
- break;
- case 'gallery':
- $output = $this->renderImageGallery( $content, $params );
- break;
- default:
- if( isset( $this->mTagHooks[$tagName] ) ) {
- $output = call_user_func_array( $this->mTagHooks[$tagName],
- array( $content, $params, $this ) );
- } else {
- throw new MWException( "Invalid call hook $element" );
- }
- }
- wfProfileOut( __METHOD__."-render-$tagName" );
- } else {
- // Just stripping tags; keep the source
- $output = $tag;
- }
-
- // Unstrip the output, to support recursive strip() calls
- $output = $state->unstripBoth( $output );
-
- if( !$stripcomments && $element == '!--' ) {
- $commentState->setPair( $marker, $output );
- } elseif ( $element == 'html' || $element == 'nowiki' ) {
- $nowikiItems[$marker] = $output;
- } else {
- $generalItems[$marker] = $output;
- }
- }
- # Add the new items to the state
- # We do this after the loop instead of during it to avoid slowing
- # down the recursive unstrip
- $state->nowiki->mergeArray( $nowikiItems );
- $state->general->mergeArray( $generalItems );
-
- # Unstrip comments unless explicitly told otherwise.
- # (The comments are always stripped prior to this point, so as to
- # not invoke any extension tags / parser hooks contained within
- # a comment.)
- if ( !$stripcomments ) {
- // Put them all back and forget them
- $text = $commentState->replace( $text );
- }
-
- wfProfileOut( __METHOD__ );
+ /**
+ * @deprecated use replaceVariables
+ */
+ function strip( $text, $state, $stripcomments = false , $dontstrip = array () ) {
return $text;
}
*
* @private
*/
- function insertStripItem( $text, &$state ) {
- $rnd = $this->mUniqPrefix . '-item' . Parser::getRandomString();
- $state->general->setPair( $rnd, $text );
+ function insertStripItem( $text ) {
+ static $n = 0;
+ $rnd = "{$this->mUniqPrefix}-item-$n-{$this->mMarkerSuffix}";
+ $this->mStripState->general->setPair( $rnd, $text );
return $rnd;
}
/**
* Use the HTML tidy PECL extension to use the tidy library in-process,
- * saving the overhead of spawning a new process. Currently written to
- * the PHP 4.3.x version of the extension, may not work on PHP 5.
+ * saving the overhead of spawning a new process.
*
* 'pear install tidy' should be able to compile the extension module.
*
* @static
*/
function internalTidy( $text ) {
- global $wgTidyConf;
+ global $wgTidyConf, $IP;
$fname = 'Parser::internalTidy';
wfProfileIn( $fname );
- tidy_load_config( $wgTidyConf );
- tidy_set_encoding( 'utf8' );
- tidy_parse_string( $text );
- tidy_clean_repair();
- if( tidy_get_status() == 2 ) {
+ $tidy = new tidy;
+ $tidy->parseString( $text, $wgTidyConf, 'utf8' );
+ $tidy->cleanRepair();
+ if( $tidy->getStatus() == 2 ) {
// 2 is magic number for fatal error
// http://www.php.net/manual/en/function.tidy-get-status.php
$cleansource = null;
} else {
- $cleansource = tidy_get_output();
+ $cleansource = tidy_get_output( $tidy );
}
wfProfileOut( $fname );
return $cleansource;
* @private
*/
function internalParse( $text ) {
- $args = array();
$isMain = true;
$fname = 'Parser::internalParse';
wfProfileIn( $fname );
$text = strtr( $text, array( '<noinclude>' => '', '</noinclude>' => '') );
$text = StringUtils::delimiterReplace( '<includeonly>', '</includeonly>', '', $text );
- $text = Sanitizer::removeHTMLtags( $text, array( &$this, 'attributeStripCallback' ), array(), array_keys( $this->mTransparentTagHooks ) );
-
- $text = $this->replaceVariables( $text, $args );
+ $text = $this->replaceVariables( $text );
+ $text = Sanitizer::removeHTMLtags( $text, array( &$this, 'attributeStripCallback' ), false, array_keys( $this->mTransparentTagHooks ) );
wfRunHooks( 'InternalParseBeforeLinks', array( &$this, &$text, &$this->mStripState ) );
// Tables need to come after variable replacement for things to work
*
* @private
*/
- function &doMagicLinks( &$text ) {
+ function doMagicLinks( $text ) {
wfProfileIn( __METHOD__ );
$text = preg_replace_callback(
'!(?: # Start cases
wfProfileIn( $fname );
for ( $i = 6; $i >= 1; --$i ) {
$h = str_repeat( '=', $i );
- $text = preg_replace( "/^{$h}(.+){$h}\\s*$/m",
- "<h{$i}>\\1</h{$i}>\\2", $text );
+ $text = preg_replace( "/^$h(.+)$h\\s*$/m",
+ "<h$i>\\1</h$i>", $text );
}
wfProfileOut( $fname );
return $text;
$sk = $this->mOptions->getSkin();
- $bits = preg_split( EXT_LINK_BRACKETED, $text, -1, PREG_SPLIT_DELIM_CAPTURE );
+ $bits = preg_split( $this->mExtLinkBracketedRegex, $text, -1, PREG_SPLIT_DELIM_CAPTURE );
$s = $this->replaceFreeExternalLinks( array_shift( $bits ) );
$remainder = $bits[$i++];
$m = array();
- if ( preg_match( '/^('.EXT_LINK_URL_CLASS.'+)(.*)$/s', $remainder, $m ) ) {
+ if ( preg_match( '/^('.self::EXT_LINK_URL_CLASS.'+)(.*)$/s', $remainder, $m ) ) {
# Found some characters after the protocol that look promising
$url = $protocol . $m[1];
$trail = $m[2];
if(strlen($trail) == 0 &&
isset($bits[$i]) &&
preg_match('/^'. wfUrlProtocols() . '$/S', $bits[$i]) &&
- preg_match( '/^('.EXT_LINK_URL_CLASS.'+)(.*)$/s', $bits[$i + 1], $m ))
+ preg_match( '/^('.self::EXT_LINK_URL_CLASS.'+)(.*)$/s', $bits[$i + 1], $m ))
{
# add protocol, arg
$url .= $bits[$i] . $m[1]; # protocol, url as arg to previous link
$text = false;
if ( $this->mOptions->getAllowExternalImages()
|| ( $imagesexception && strpos( $url, $imagesfrom ) === 0 ) ) {
- if ( preg_match( EXT_IMAGE_REGEX, $url ) ) {
+ if ( preg_match( self::EXT_IMAGE_REGEX, $url ) ) {
# Image found
$text = $sk->makeExternalImage( htmlspecialchars( $url ) );
}
}
// Ugly state machine to walk through avoiding tags.
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
$stack = 0;
$len = strlen( $str );
for( $i = 0; $i < $len; $i++ ) {
switch( $state ) {
// (Using the number is a performance hack for common cases)
- case 0: // MW_COLON_STATE_TEXT:
+ case 0: // self::COLON_STATE_TEXT:
switch( $c ) {
case "<":
// Could be either a <start> tag or an </end> tag
- $state = MW_COLON_STATE_TAGSTART;
+ $state = self::COLON_STATE_TAGSTART;
break;
case ":":
if( $stack == 0 ) {
}
// Skip ahead to next tag start
$i = $lt;
- $state = MW_COLON_STATE_TAGSTART;
+ $state = self::COLON_STATE_TAGSTART;
}
break;
- case 1: // MW_COLON_STATE_TAG:
+ case 1: // self::COLON_STATE_TAG:
// In a <tag>
switch( $c ) {
case ">":
$stack++;
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
break;
case "/":
// Slash may be followed by >?
- $state = MW_COLON_STATE_TAGSLASH;
+ $state = self::COLON_STATE_TAGSLASH;
break;
default:
// ignore
}
break;
- case 2: // MW_COLON_STATE_TAGSTART:
+ case 2: // self::COLON_STATE_TAGSTART:
switch( $c ) {
case "/":
- $state = MW_COLON_STATE_CLOSETAG;
+ $state = self::COLON_STATE_CLOSETAG;
break;
case "!":
- $state = MW_COLON_STATE_COMMENT;
+ $state = self::COLON_STATE_COMMENT;
break;
case ">":
// Illegal early close? This shouldn't happen D:
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
break;
default:
- $state = MW_COLON_STATE_TAG;
+ $state = self::COLON_STATE_TAG;
}
break;
- case 3: // MW_COLON_STATE_CLOSETAG:
+ case 3: // self::COLON_STATE_CLOSETAG:
// In a </tag>
if( $c == ">" ) {
$stack--;
wfProfileOut( $fname );
return false;
}
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
}
break;
- case MW_COLON_STATE_TAGSLASH:
+ case self::COLON_STATE_TAGSLASH:
if( $c == ">" ) {
// Yes, a self-closed tag <blah/>
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
} else {
// Probably we're jumping the gun, and this is an attribute
- $state = MW_COLON_STATE_TAG;
+ $state = self::COLON_STATE_TAG;
}
break;
- case 5: // MW_COLON_STATE_COMMENT:
+ case 5: // self::COLON_STATE_COMMENT:
if( $c == "-" ) {
- $state = MW_COLON_STATE_COMMENTDASH;
+ $state = self::COLON_STATE_COMMENTDASH;
}
break;
- case MW_COLON_STATE_COMMENTDASH:
+ case self::COLON_STATE_COMMENTDASH:
if( $c == "-" ) {
- $state = MW_COLON_STATE_COMMENTDASHDASH;
+ $state = self::COLON_STATE_COMMENTDASHDASH;
} else {
- $state = MW_COLON_STATE_COMMENT;
+ $state = self::COLON_STATE_COMMENT;
}
break;
- case MW_COLON_STATE_COMMENTDASHDASH:
+ case self::COLON_STATE_COMMENTDASHDASH:
if( $c == ">" ) {
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
} else {
- $state = MW_COLON_STATE_COMMENT;
+ $state = self::COLON_STATE_COMMENT;
}
break;
default:
case 'numberofpages':
return $varCache[$index] = $wgContLang->formatNum( SiteStats::pages() );
case 'numberofadmins':
- return $varCache[$index] = $wgContLang->formatNum( SiteStats::admins() );
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::admins() );
case 'numberofedits':
- return $varCache[$index] = $wgContLang->formatNum( SiteStats::edits() );
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::edits() );
case 'currenttimestamp':
return $varCache[$index] = wfTimestampNow();
case 'localtimestamp':
wfProfileIn( $fname );
$variableIDs = MagicWord::getVariableIDs();
- $this->mVariables = array();
- foreach ( $variableIDs as $id ) {
- $mw =& MagicWord::get( $id );
- $mw->addToArray( $this->mVariables, $id );
- }
+ $this->mVariables = new MagicWordArray( $variableIDs );
wfProfileOut( $fname );
}
/**
- * parse any parentheses in format ((title|part|part))
- * and call callbacks to get a replacement text for any found piece
+ * Parse any parentheses in format ((title|part|part)} and return the document tree
+ * This is the ghost of replace_variables().
*
* @param string $text The text to parse
- * @param array $callbacks rules in form:
- * '{' => array( # opening parentheses
- * 'end' => '}', # closing parentheses
- * 'cb' => array(2 => callback, # replacement callback to call if {{..}} is found
- * 3 => callback # replacement callback to call if {{{..}}} is found
- * )
- * )
- * 'min' => 2, # Minimum parenthesis count in cb
- * 'max' => 3, # Maximum parenthesis count in cb
* @private
*/
- function replace_callback ($text, $callbacks) {
+ function preprocessToDom ( $text ) {
wfProfileIn( __METHOD__ );
- $openingBraceStack = array(); # this array will hold a stack of parentheses which are not closed yet
- $lastOpeningBrace = -1; # last not closed parentheses
+ wfProfileIn( __METHOD__.'-makexml' );
+
+ static $msgRules, $normalRules;
+ if ( !$msgRules ) {
+ $msgRules = array(
+ '{' => array(
+ 'end' => '}',
+ 'names' => array(
+ 2 => 'template',
+ ),
+ 'min' => 2,
+ 'max' => 2,
+ ),
+ '[' => array(
+ 'end' => ']',
+ 'names' => array( 2 => null ),
+ 'min' => 2,
+ 'max' => 2,
+ )
+ );
+ $normalRules = array(
+ '{' => array(
+ 'end' => '}',
+ 'names' => array(
+ 2 => 'template',
+ 3 => 'tplarg',
+ ),
+ 'min' => 2,
+ 'max' => 3,
+ ),
+ '[' => array(
+ 'end' => ']',
+ 'names' => array( 2 => null ),
+ 'min' => 2,
+ 'max' => 2,
+ )
+ );
+ }
+ if ( $this->ot['msg'] ) {
+ $rules = $msgRules;
+ } else {
+ $rules = $normalRules;
+ }
+
+ $extElements = implode( '|', $this->getStripList() );
+ // Use "A" modifier (anchored) instead of "^", because ^ doesn't work with an offset
+ $extElementsRegex = "/($extElements)(?:\s|\/>|>)|(!--)/iA";
+
+ $stack = array(); # Stack of unclosed parentheses
+ $stackIndex = -1; # Stack read pointer
- $validOpeningBraces = implode( '', array_keys( $callbacks ) );
+ $searchBase = implode( '', array_keys( $rules ) ) . '<';
+
+ $i = -1; # Input pointer, starts out pointing to a pseudo-newline before the start
+ $topAccum = '<root>'; # Top level text accumulator
+ $accum =& $topAccum; # Current text accumulator
+ $findEquals = false; # True to find equals signs in arguments
+ $findHeading = false; # True to look at LF characters for possible headings
+ $findPipe = false; # True to take notice of pipe characters
+ $headingIndex = 1;
+ $noMoreGT = false; # True if there are no more greater-than (>) signs right of $i
- $i = 0;
while ( $i < strlen( $text ) ) {
- # Find next opening brace, closing brace or pipe
- if ( $lastOpeningBrace == -1 ) {
- $currentClosing = '';
- $search = $validOpeningBraces;
+ if ( $i == -1 ) {
+ $found = 'line-start';
+ $curChar = '';
} else {
- $currentClosing = $openingBraceStack[$lastOpeningBrace]['braceEnd'];
- $search = $validOpeningBraces . '|' . $currentClosing;
- }
- $rule = null;
- $i += strcspn( $text, $search, $i );
- if ( $i < strlen( $text ) ) {
- if ( $text[$i] == '|' ) {
- $found = 'pipe';
- } elseif ( $text[$i] == $currentClosing ) {
- $found = 'close';
- } elseif ( isset( $callbacks[$text[$i]] ) ) {
- $found = 'open';
- $rule = $callbacks[$text[$i]];
+ # Find next opening brace, closing brace or pipe
+ $search = $searchBase;
+ if ( $stackIndex == -1 ) {
+ $currentClosing = '';
+ // Look for headings only at the top stack level
+ // Among other things, this resolves the ambiguity between =
+ // for headings and = for template arguments
+ $search .= "\n";
+ } else {
+ $currentClosing = $stack[$stackIndex]['close'];
+ $search .= $currentClosing;
+ }
+ if ( $findPipe ) {
+ $search .= '|';
+ }
+ if ( $findEquals ) {
+ $search .= '=';
+ }
+ $rule = null;
+ # Output literal section, advance input counter
+ $literalLength = strcspn( $text, $search, $i );
+ if ( $literalLength > 0 ) {
+ $accum .= htmlspecialchars( substr( $text, $i, $literalLength ) );
+ $i += $literalLength;
+ }
+ if ( $i >= strlen( $text ) ) {
+ if ( $currentClosing == "\n" ) {
+ // Do a past-the-end run to finish off the heading
+ $curChar = '';
+ $found = 'line-end';
+ } else {
+ # All done
+ break;
+ }
} else {
- # Some versions of PHP have a strcspn which stops on null characters
- # Ignore and continue
+ $curChar = $text[$i];
+ if ( $curChar == '|' ) {
+ $found = 'pipe';
+ } elseif ( $curChar == '=' ) {
+ $found = 'equals';
+ } elseif ( $curChar == '<' ) {
+ $found = 'angle';
+ } elseif ( $curChar == "\n" ) {
+ if ( $stackIndex == -1 ) {
+ $found = 'line-start';
+ } else {
+ $found = 'line-end';
+ }
+ } elseif ( $curChar == $currentClosing ) {
+ $found = 'close';
+ } elseif ( isset( $rules[$curChar] ) ) {
+ $found = 'open';
+ $rule = $rules[$curChar];
+ } else {
+ # Some versions of PHP have a strcspn which stops on null characters
+ # Ignore and continue
+ ++$i;
+ continue;
+ }
+ }
+ }
+
+ if ( $found == 'angle' ) {
+ $matches = false;
+ // Determine element name
+ if ( !preg_match( $extElementsRegex, $text, $matches, 0, $i + 1 ) ) {
+ // Element name missing or not listed
+ $accum .= '<';
++$i;
continue;
}
- } else {
- # All done
- break;
+ // Handle comments
+ if ( isset( $matches[2] ) && $matches[2] == '!--' ) {
+ // HTML comment, scan to end
+ $endpos = strpos( $text, '-->', $i + 4 );
+ if ( $endpos === false ) {
+ // Unclosed comment in input, runs to end
+ $accum .= htmlspecialchars( substr( $text, $i ) );
+ if ( $this->ot['html'] ) {
+ // Close it so later stripping can remove it
+ $accum .= htmlspecialchars( '-->' );
+ }
+ $i = strlen( $text );
+ continue;
+ }
+ $accum .= htmlspecialchars( substr( $text, $i, $endpos - $i + 3 ) );
+ #$inner = substr( $text, $i + 4, $endpos - $i - 4 );
+ #$accum .= '<ext><name>!--</name><inner>' . htmlspecialchars( $inner ) . '</inner></ext>';
+ $i = $endpos + 3;
+ continue;
+ }
+ $name = $matches[1];
+ $attrStart = $i + strlen( $name ) + 1;
+
+ // Find end of tag
+ $tagEndPos = $noMoreGT ? false : strpos( $text, '>', $attrStart );
+ if ( $tagEndPos === false ) {
+ // Infinite backtrack
+ // Disable tag search to prevent worst-case O(N^2) performance
+ $noMoreGT = true;
+ $accum .= '<';
+ ++$i;
+ continue;
+ }
+ if ( $text[$tagEndPos-1] == '/' ) {
+ $attrEnd = $tagEndPos - 1;
+ $inner = null;
+ $i = $tagEndPos + 1;
+ $close = '';
+ } else {
+ $attrEnd = $tagEndPos;
+ // Find closing tag
+ if ( preg_match( "/<\/$name\s*>/i", $text, $matches, PREG_OFFSET_CAPTURE, $tagEndPos + 1 ) ) {
+ $inner = substr( $text, $tagEndPos + 1, $matches[0][1] - $tagEndPos - 1 );
+ $i = $matches[0][1] + strlen( $matches[0][0] );
+ $close = '<close>' . htmlspecialchars( $matches[0][0] ) . '</close>';
+ } else {
+ // No end tag -- let it run out to the end of the text.
+ $inner = substr( $text, $tagEndPos + 1 );
+ $i = strlen( $text );
+ $close = '';
+ }
+ }
+ $accum .= '<ext>';
+ if ( $attrEnd <= $attrStart ) {
+ $attr = '';
+ } else {
+ $attr = substr( $text, $attrStart, $attrEnd - $attrStart );
+ }
+ $accum .= '<name>' . htmlspecialchars( $name ) . '</name>' .
+ // Note that the attr element contains the whitespace between name and attribute,
+ // this is necessary for precise reconstruction during pre-save transform.
+ '<attr>' . htmlspecialchars( $attr ) . '</attr>';
+ if ( $inner !== null ) {
+ $accum .= '<inner>' . htmlspecialchars( $inner ) . '</inner>';
+ }
+ $accum .= $close . '</ext>';
}
- if ( $found == 'open' ) {
- # found opening brace, let's add it to parentheses stack
- $piece = array('brace' => $text[$i],
- 'braceEnd' => $rule['end'],
- 'title' => '',
- 'parts' => null);
+ elseif ( $found == 'line-start' ) {
+ // Is this the start of a heading?
+ // Line break belongs before the heading element in any case
+ $accum .= $curChar;
+ $i++;
+
+ $count = strspn( $text, '=', $i, 6 );
+ if ( $count > 0 ) {
+ $piece = array(
+ 'open' => "\n",
+ 'close' => "\n",
+ 'parts' => array( str_repeat( '=', $count ) ),
+ 'count' => $count );
+ $stack[++$stackIndex] = $piece;
+ $i += $count;
+ $accum =& $stack[$stackIndex]['parts'][0];
+ $findPipe = false;
+ }
+ }
+ elseif ( $found == 'line-end' ) {
+ $piece = $stack[$stackIndex];
+ // A heading must be open, otherwise \n wouldn't have been in the search list
+ assert( $piece['open'] == "\n" );
+ assert( $stackIndex == 0 );
+ // Search back through the accumulator to see if it has a proper close
+ // No efficient way to do this in PHP AFAICT: strrev, PCRE search with $ anchor
+ // and rtrim are all O(N) in total size. Optimal would be O(N) in trailing
+ // whitespace size only.
+ $m = false;
+ $count = $piece['count'];
+ if ( preg_match( "/(={{$count}})\s*$/", $accum, $m, 0, $count ) ) {
+ // Found match, output <h>
+ $count = min( strlen( $m[1] ), $count );
+ $element = "<h level=\"$count\" i=\"$headingIndex\">$accum</h>";
+ $headingIndex++;
+ } else {
+ // No match, no <h>, just pass down the inner text
+ $element = $accum;
+ }
+ // Unwind the stack
+ // Headings can only occur on the top level, so this is a bit simpler than the
+ // generic stack unwind operation in the close case
+ unset( $stack[$stackIndex--] );
+ $accum =& $topAccum;
+ $findEquals = false;
+ $findPipe = false;
+
+ // Append the result to the enclosing accumulator
+ $accum .= $element;
+ // Note that we do NOT increment the input pointer.
+ // This is because the closing linebreak could be the opening linebreak of
+ // another heading. Infinite loops are avoided because the next iteration MUST
+ // hit the heading open case above, which unconditionally increments the
+ // input pointer.
+ }
+
+ elseif ( $found == 'open' ) {
# count opening brace characters
- $piece['count'] = strspn( $text, $piece['brace'], $i );
- $piece['startAt'] = $piece['partStart'] = $i + $piece['count'];
- $i += $piece['count'];
+ $count = strspn( $text, $curChar, $i );
# we need to add to stack only if opening brace count is enough for one of the rules
- if ( $piece['count'] >= $rule['min'] ) {
- $lastOpeningBrace ++;
- $openingBraceStack[$lastOpeningBrace] = $piece;
+ if ( $count >= $rule['min'] ) {
+ # Add it to the stack
+ $piece = array(
+ 'open' => $curChar,
+ 'close' => $rule['end'],
+ 'count' => $count,
+ 'parts' => array( '' ),
+ 'eqpos' => array(),
+ 'lineStart' => ($i > 0 && $text[$i-1] == "\n"),
+ );
+
+ $stackIndex ++;
+ $stack[$stackIndex] = $piece;
+ $accum =& $stack[$stackIndex]['parts'][0];
+ $findEquals = false;
+ $findPipe = true;
+ } else {
+ # Add literal brace(s)
+ $accum .= htmlspecialchars( str_repeat( $curChar, $count ) );
}
- } elseif ( $found == 'close' ) {
- # lets check if it is enough characters for closing brace
- $maxCount = $openingBraceStack[$lastOpeningBrace]['count'];
- $count = strspn( $text, $text[$i], $i, $maxCount );
+ $i += $count;
+ }
+
+ elseif ( $found == 'close' ) {
+ $piece = $stack[$stackIndex];
+ # lets check if there are enough characters for closing brace
+ $maxCount = $piece['count'];
+ $count = strspn( $text, $curChar, $i, $maxCount );
# check for maximum matching characters (if there are 5 closing
# characters, we will probably need only 3 - depending on the rules)
$matchingCount = 0;
- $matchingCallback = null;
- $cbType = $callbacks[$openingBraceStack[$lastOpeningBrace]['brace']];
- if ( $count > $cbType['max'] ) {
+ $rule = $rules[$piece['open']];
+ if ( $count > $rule['max'] ) {
# The specified maximum exists in the callback array, unless the caller
# has made an error
- $matchingCount = $cbType['max'];
+ $matchingCount = $rule['max'];
} else {
# Count is less than the maximum
# Skip any gaps in the callback array to find the true largest match
# Need to use array_key_exists not isset because the callback can be null
$matchingCount = $count;
- while ( $matchingCount > 0 && !array_key_exists( $matchingCount, $cbType['cb'] ) ) {
+ while ( $matchingCount > 0 && !array_key_exists( $matchingCount, $rule['names'] ) ) {
--$matchingCount;
}
}
if ($matchingCount <= 0) {
+ # No matching element found in callback array
+ # Output a literal closing brace and continue
+ $accum .= htmlspecialchars( str_repeat( $curChar, $count ) );
$i += $count;
continue;
}
- $matchingCallback = $cbType['cb'][$matchingCount];
-
- # let's set a title or last part (if '|' was found)
- if (null === $openingBraceStack[$lastOpeningBrace]['parts']) {
- $openingBraceStack[$lastOpeningBrace]['title'] =
- substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
- $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+ $name = $rule['names'][$matchingCount];
+ if ( $name === null ) {
+ // No element, just literal text
+ $element = str_repeat( $piece['open'], $matchingCount ) .
+ implode( '|', $piece['parts'] ) .
+ str_repeat( $rule['end'], $matchingCount );
} else {
- $openingBraceStack[$lastOpeningBrace]['parts'][] =
- substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
- $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+ # Create XML element
+ # Note: $parts is already XML, does not need to be encoded further
+ $parts = $piece['parts'];
+ $title = $parts[0];
+ unset( $parts[0] );
+
+ # The invocation is at the start of the line if lineStart is set in
+ # the stack, and all opening brackets are used up.
+ if ( $maxCount == $matchingCount && !empty( $piece['lineStart'] ) ) {
+ $attr = ' lineStart="1"';
+ } else {
+ $attr = '';
+ }
+
+ $element = "<$name$attr>";
+ $element .= "<title>$title</title>";
+ $argIndex = 1;
+ foreach ( $parts as $partIndex => $part ) {
+ if ( isset( $piece['eqpos'][$partIndex] ) ) {
+ $eqpos = $piece['eqpos'][$partIndex];
+ list( $ws1, $argName, $ws2 ) = self::splitWhitespace( substr( $part, 0, $eqpos ) );
+ list( $ws3, $argValue, $ws4 ) = self::splitWhitespace( substr( $part, $eqpos + 1 ) );
+ $element .= "<part>$ws1<name>$argName</name>$ws2=$ws3<value>$argValue</value>$ws4</part>";
+ } else {
+ list( $ws1, $value, $ws2 ) = self::splitWhitespace( $part );
+ $element .= "<part>$ws1<name index=\"$argIndex\" /><value>$value</value>$ws2</part>";
+ $argIndex++;
+ }
+ }
+ $element .= "</$name>";
}
- $pieceStart = $openingBraceStack[$lastOpeningBrace]['startAt'] - $matchingCount;
- $pieceEnd = $i + $matchingCount;
-
- if( is_callable( $matchingCallback ) ) {
- $cbArgs = array (
- 'text' => substr($text, $pieceStart, $pieceEnd - $pieceStart),
- 'title' => trim($openingBraceStack[$lastOpeningBrace]['title']),
- 'parts' => $openingBraceStack[$lastOpeningBrace]['parts'],
- 'lineStart' => (($pieceStart > 0) && ($text[$pieceStart-1] == "\n")),
- );
- # finally we can call a user callback and replace piece of text
- $replaceWith = call_user_func( $matchingCallback, $cbArgs );
- $text = substr($text, 0, $pieceStart) . $replaceWith . substr($text, $pieceEnd);
- $i = $pieceStart + strlen($replaceWith);
+ # Advance input pointer
+ $i += $matchingCount;
+
+ # Unwind the stack
+ unset( $stack[$stackIndex--] );
+ if ( $stackIndex == -1 ) {
+ $accum =& $topAccum;
+ $findEquals = false;
+ $findPipe = false;
} else {
- # null value for callback means that parentheses should be parsed, but not replaced
- $i += $matchingCount;
+ $partCount = count( $stack[$stackIndex]['parts'] );
+ $accum =& $stack[$stackIndex]['parts'][$partCount - 1];
+ $findPipe = $stack[$stackIndex]['open'] != "\n";
+ $findEquals = $findPipe && $partCount > 1
+ && !isset( $stack[$stackIndex]['eqpos'][$partCount - 1] );
}
- # reset last opening parentheses, but keep it in case there are unused characters
- $piece = array('brace' => $openingBraceStack[$lastOpeningBrace]['brace'],
- 'braceEnd' => $openingBraceStack[$lastOpeningBrace]['braceEnd'],
- 'count' => $openingBraceStack[$lastOpeningBrace]['count'],
- 'title' => '',
- 'parts' => null,
- 'startAt' => $openingBraceStack[$lastOpeningBrace]['startAt']);
- $openingBraceStack[$lastOpeningBrace--] = null;
-
+ # Re-add the old stack element if it still has unmatched opening characters remaining
if ($matchingCount < $piece['count']) {
+ $piece['parts'] = array( '' );
$piece['count'] -= $matchingCount;
- $piece['startAt'] -= $matchingCount;
- $piece['partStart'] = $piece['startAt'];
+ $piece['eqpos'] = array();
# do we still qualify for any callback with remaining count?
- $currentCbList = $callbacks[$piece['brace']]['cb'];
+ $names = $rules[$piece['open']]['names'];
+ $skippedBraces = 0;
+ $enclosingAccum =& $accum;
while ( $piece['count'] ) {
- if ( array_key_exists( $piece['count'], $currentCbList ) ) {
- $lastOpeningBrace++;
- $openingBraceStack[$lastOpeningBrace] = $piece;
+ if ( array_key_exists( $piece['count'], $names ) ) {
+ $stackIndex++;
+ $stack[$stackIndex] = $piece;
+ $accum =& $stack[$stackIndex]['parts'][0];
+ $findEquals = true;
+ $findPipe = true;
break;
}
--$piece['count'];
+ $skippedBraces ++;
}
+ $enclosingAccum .= str_repeat( $piece['open'], $skippedBraces );
}
- } elseif ( $found == 'pipe' ) {
- # lets set a title if it is a first separator, or next part otherwise
- if (null === $openingBraceStack[$lastOpeningBrace]['parts']) {
- $openingBraceStack[$lastOpeningBrace]['title'] =
- substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
- $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
- $openingBraceStack[$lastOpeningBrace]['parts'] = array();
- } else {
- $openingBraceStack[$lastOpeningBrace]['parts'][] =
- substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
- $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
- }
- $openingBraceStack[$lastOpeningBrace]['partStart'] = ++$i;
+
+ # Add XML element to the enclosing accumulator
+ $accum .= $element;
+ }
+
+ elseif ( $found == 'pipe' ) {
+ $stack[$stackIndex]['parts'][] = '';
+ $partsCount = count( $stack[$stackIndex]['parts'] );
+ $accum =& $stack[$stackIndex]['parts'][$partsCount - 1];
+ $findEquals = true;
+ ++$i;
+ }
+
+ elseif ( $found == 'equals' ) {
+ $findEquals = false;
+ $partsCount = count( $stack[$stackIndex]['parts'] );
+ $stack[$stackIndex]['eqpos'][$partsCount - 1] = strlen( $accum );
+ $accum .= '=';
+ ++$i;
+ }
+ }
+
+ # Output any remaining unclosed brackets
+ foreach ( $stack as $piece ) {
+ if ( $piece['open'] == "\n" ) {
+ $topAccum .= $piece['parts'][0];
+ } else {
+ $topAccum .= str_repeat( $piece['open'], $piece['count'] ) . implode( '|', $piece['parts'] );
}
}
+ $topAccum .= '</root>';
+ wfProfileOut( __METHOD__.'-makexml' );
+ wfProfileIn( __METHOD__.'-loadXML' );
+ $dom = new DOMDocument;
+ if ( !$dom->loadXML( $topAccum ) ) {
+ throw new MWException( __METHOD__.' generated invalid XML' );
+ }
+ wfProfileOut( __METHOD__.'-loadXML' );
wfProfileOut( __METHOD__ );
- return $text;
+ return $dom;
+ }
+
+ /*
+ * Return a three-element array: leading whitespace, string contents, trailing whitespace
+ */
+ public static function splitWhitespace( $s ) {
+ $ltrimmed = ltrim( $s );
+ $w1 = substr( $s, 0, strlen( $s ) - strlen( $ltrimmed ) );
+ $trimmed = rtrim( $ltrimmed );
+ $diff = strlen( $ltrimmed ) - strlen( $trimmed );
+ if ( $diff > 0 ) {
+ $w2 = substr( $ltrimmed, -$diff );
+ } else {
+ $w2 = '';
+ }
+ return array( $w1, $trimmed, $w2 );
}
/**
* OT_HTML: all templates and magic variables
*
* @param string $tex The text to transform
- * @param array $args Key-value pairs representing template parameters to substitute
+ * @param PPFrame $frame Object describing the arguments passed to the template
* @param bool $argsOnly Only do argument (triple-brace) expansion, not double-brace expansion
* @private
*/
- function replaceVariables( $text, $args = array(), $argsOnly = false ) {
+ function replaceVariables( $text, $frame = false, $argsOnly = false ) {
# Prevent too big inclusions
if( strlen( $text ) > $this->mOptions->getMaxIncludeSize() ) {
return $text;
}
- $fname = __METHOD__ /*. '-L' . count( $this->mArgStack )*/;
+ $fname = __METHOD__;
wfProfileIn( $fname );
- # This function is called recursively. To keep track of arguments we need a stack:
- array_push( $this->mArgStack, $args );
-
- $braceCallbacks = array();
- if ( !$argsOnly ) {
- $braceCallbacks[2] = array( &$this, 'braceSubstitution' );
- }
- if ( $this->mOutputType != OT_MSG ) {
- $braceCallbacks[3] = array( &$this, 'argSubstitution' );
+ if ( $frame === false ) {
+ $frame = new PPFrame( $this );
+ } elseif ( !( $frame instanceof PPFrame ) ) {
+ throw new MWException( __METHOD__ . ' called using the old argument format' );
}
- if ( $braceCallbacks ) {
- $callbacks = array(
- '{' => array(
- 'end' => '}',
- 'cb' => $braceCallbacks,
- 'min' => $argsOnly ? 3 : 2,
- 'max' => isset( $braceCallbacks[3] ) ? 3 : 2,
- ),
- '[' => array(
- 'end' => ']',
- 'cb' => array(2=>null),
- 'min' => 2,
- 'max' => 2,
- )
- );
- $text = $this->replace_callback ($text, $callbacks);
- array_pop( $this->mArgStack );
- }
- wfProfileOut( $fname );
- return $text;
- }
+ $dom = $this->preprocessToDom( $text );
+ $flags = $argsOnly ? PPFrame::NO_TEMPLATES : 0;
+ $text = $frame->expand( $dom, 0, $flags );
- /**
- * Replace magic variables
- * @private
- */
- function variableSubstitution( $matches ) {
- global $wgContLang;
- $fname = 'Parser::variableSubstitution';
- $varname = $wgContLang->lc($matches[1]);
- wfProfileIn( $fname );
- $skip = false;
- if ( $this->mOutputType == OT_WIKI ) {
- # Do only magic variables prefixed by SUBST
- $mwSubst =& MagicWord::get( 'subst' );
- if (!$mwSubst->matchStartAndRemove( $varname ))
- $skip = true;
- # Note that if we don't substitute the variable below,
- # we don't remove the {{subst:}} magic word, in case
- # it is a template rather than a magic variable.
- }
- if ( !$skip && array_key_exists( $varname, $this->mVariables ) ) {
- $id = $this->mVariables[$varname];
- # Now check if we did really match, case sensitive or not
- $mw =& MagicWord::get( $id );
- if ($mw->match($matches[1])) {
- $text = $this->getVariableValue( $id );
- $this->mOutput->mContainsOldMagic = true;
- } else {
- $text = $matches[0];
- }
- } else {
- $text = $matches[0];
- }
wfProfileOut( $fname );
return $text;
}
-
/// Clean up argument array - refactored in 1.9 so parserfunctions can use it, too.
static function createAssocArgs( $args ) {
$assocArgs = array();
* $piece['text']: matched text
* $piece['title']: the title, i.e. the part before the |
* $piece['parts']: the parameter array
+ * @param PPFrame The current frame, contains template arguments
* @return string the text of the template
* @private
*/
- function braceSubstitution( $piece ) {
+ function braceSubstitution( $piece, $frame ) {
global $wgContLang, $wgLang, $wgAllowDisplayTitle, $wgNonincludableNamespaces;
- $fname = __METHOD__ /*. '-L' . count( $this->mArgStack )*/;
+ $fname = __METHOD__;
wfProfileIn( $fname );
wfProfileIn( __METHOD__.'-setup' );
$nowiki = false; # wiki markup in $text should be escaped
$noparse = false; # Unsafe HTML tags should not be stripped, etc.
$noargs = false; # Don't replace triple-brace arguments in $text
- $replaceHeadings = false; # Make the edit section links go to the template not the article
- $headingOffset = 0; # Skip headings when number, to account for those that weren't transcluded.
$isHTML = false; # $text is HTML, armour it against wikitext transformation
$forceRawInterwiki = false; # Force interwiki transclusion to be done in raw mode not rendered
+ $isDOM = false; # $text is a DOM node needing expansion
# Title object, where $text came from
$title = NULL;
- $linestart = '';
+ # $part1 is the bit before the first |, and must contain only title characters.
+ # Various prefixes will be stripped from it later.
+ $titleWithSpaces = $frame->expand( $piece['title'] );
+ $part1 = trim( $titleWithSpaces );
+ $titleText = false;
+ # Original title text preserved for various purposes
+ $originalTitle = $part1;
- # $part1 is the bit before the first |, and must contain only title characters
- # $args is a list of arguments, starting from index 0, not including $part1
-
- $titleText = $part1 = $piece['title'];
- # If the third subpattern matched anything, it will start with |
-
- if (null == $piece['parts']) {
- $replaceWith = $this->variableSubstitution (array ($piece['text'], $piece['title']));
- if ($replaceWith != $piece['text']) {
- $text = $replaceWith;
- $found = true;
- $noparse = true;
- $noargs = true;
- }
- }
-
+ # $args is a list of argument nodes, starting from index 0, not including $part1
$args = (null == $piece['parts']) ? array() : $piece['parts'];
wfProfileOut( __METHOD__.'-setup' );
# 1) Found SUBST but not in the PST phase
# 2) Didn't find SUBST and in the PST phase
# In either case, return without further processing
- $text = $piece['text'];
+ $text = '{{' . $frame->implode( '|', $titleWithSpaces, $args ) . '}}';
+ $found = true;
+ $noparse = true;
+ $noargs = true;
+ }
+ }
+
+ # Variables
+ if ( !$found && $args->length == 0 ) {
+ $id = $this->mVariables->matchStartToEnd( $part1 );
+ if ( $id !== false ) {
+ $text = $this->getVariableValue( $id );
+ $this->mOutput->mContainsOldMagic = true;
$found = true;
$noparse = true;
$noargs = true;
}
wfProfileOut( __METHOD__.'-modifiers' );
- //save path level before recursing into functions & templates.
+ # Save path level before recursing into functions & templates.
$lastPathLevel = $this->mTemplatePath;
# Parser functions
}
}
if ( $function ) {
- $funcArgs = array_map( 'trim', $args );
- $funcArgs = array_merge( array( &$this, trim( substr( $part1, $colonPos + 1 ) ) ), $funcArgs );
- $result = call_user_func_array( $this->mFunctionHooks[$function], $funcArgs );
+ list( $callback, $flags ) = $this->mFunctionHooks[$function];
+ $initialArgs = array( &$this );
+ $funcArgs = array( trim( substr( $part1, $colonPos + 1 ) ) );
+ if ( $flags & SFH_OBJECT_ARGS ) {
+ # Add a frame parameter, and pass the arguments as an array
+ $allArgs = $initialArgs;
+ $allArgs[] = $frame;
+ foreach ( $args as $arg ) {
+ $funcArgs[] = $arg;
+ }
+ $allArgs[] = $funcArgs;
+ } else {
+ # Convert arguments to plain text
+ foreach ( $args as $arg ) {
+ $funcArgs[] = trim( $frame->expand( $arg ) );
+ }
+ $allArgs = array_merge( $initialArgs, $funcArgs );
+ }
+
+ $result = call_user_func_array( $callback, $allArgs );
$found = true;
// The text is usually already parsed, doesn't need triple-brace tags expanded, etc.
- //$noargs = true;
- //$noparse = true;
+ $noargs = true;
+ $noparse = true;
if ( is_array( $result ) ) {
if ( isset( $result[0] ) ) {
- $text = $linestart . $result[0];
+ $text = $result[0];
unset( $result[0] );
}
// This allows callers to set flags such as nowiki, noparse, found, etc.
extract( $result );
} else {
- $text = $linestart . $result;
+ $text = $result;
}
}
}
wfProfileOut( __METHOD__ . '-pfunc' );
}
- # Template table test
-
- # Did we encounter this template already? If yes, it is in the cache
- # and we need to check for loops.
- if ( !$found && isset( $this->mTemplates[$piece['title']] ) ) {
- $found = true;
-
- # Infinite loop test
- if ( isset( $this->mTemplatePath[$part1] ) ) {
- $noparse = true;
- $noargs = true;
- $found = true;
- $text = $linestart .
- "[[$part1]]<!-- WARNING: template loop detected -->";
- wfDebug( __METHOD__.": template loop broken at '$part1'\n" );
- } else {
- # set $text to cached message.
- $text = $linestart . $this->mTemplates[$piece['title']];
- #treat title for cached page the same as others
- $ns = NS_TEMPLATE;
- $subpage = '';
- $part1 = $this->maybeDoSubpageLink( $part1, $subpage );
- if ($subpage !== '') {
- $ns = $this->mTitle->getNamespace();
- }
- $title = Title::newFromText( $part1, $ns );
- //used by include size checking
- $titleText = $title->getPrefixedText();
- //used by edit section links
- $replaceHeadings = true;
-
- }
- }
-
- # Load from database
+ # Finish mangling title and then check for loops.
+ # Set $title to a Title object and $titleText to the PDBK
if ( !$found ) {
- wfProfileIn( __METHOD__ . '-loadtpl' );
$ns = NS_TEMPLATE;
- # declaring $subpage directly in the function call
- # does not work correctly with references and breaks
- # {{/subpage}}-style inclusions
+ # Split the title into page and subpage
$subpage = '';
$part1 = $this->maybeDoSubpageLink( $part1, $subpage );
if ($subpage !== '') {
$ns = $this->mTitle->getNamespace();
}
$title = Title::newFromText( $part1, $ns );
-
-
- if ( !is_null( $title ) ) {
+ if ( $title ) {
$titleText = $title->getPrefixedText();
# Check for language variants if the template is not found
if($wgContLang->hasVariants() && $title->getArticleID() == 0){
$wgContLang->findVariantLink($part1, $title);
}
+ # Do infinite loop check
+ if ( isset( $this->mTemplatePath[$titleText] ) ) {
+ $noparse = true;
+ $noargs = true;
+ $found = true;
+ $text = "[[$part1]]" . $this->insertStripItem( '<!-- WARNING: template loop detected -->' );
+ wfDebug( __METHOD__.": template loop broken at '$titleText'\n" );
+ }
+ }
+ }
- if ( !$title->isExternal() ) {
- if ( $title->getNamespace() == NS_SPECIAL && $this->mOptions->getAllowSpecialInclusion() && $this->ot['html'] ) {
- $text = SpecialPage::capturePath( $title );
- if ( is_string( $text ) ) {
- $found = true;
- $noparse = true;
- $noargs = true;
- $isHTML = true;
- $this->disableCache();
- }
- } else if ( $wgNonincludableNamespaces && in_array( $title->getNamespace(), $wgNonincludableNamespaces ) ) {
- $found = false; //access denied
- wfDebug( "$fname: template inclusion denied for " . $title->getPrefixedDBkey() );
- } else {
- list($articleContent,$title) = $this->fetchTemplateAndtitle( $title );
- if ( $articleContent !== false ) {
- $found = true;
- $text = $articleContent;
- $replaceHeadings = true;
- }
- }
-
- # If the title is valid but undisplayable, make a link to it
- if ( !$found && ( $this->ot['html'] || $this->ot['pre'] ) ) {
- $text = "[[:$titleText]]";
+ # Load from database
+ if ( !$found && $title ) {
+ wfProfileIn( __METHOD__ . '-loadtpl' );
+ if ( !$title->isExternal() ) {
+ if ( $title->getNamespace() == NS_SPECIAL && $this->mOptions->getAllowSpecialInclusion() && $this->ot['html'] ) {
+ $text = SpecialPage::capturePath( $title );
+ if ( is_string( $text ) ) {
$found = true;
- }
- } elseif ( $title->isTrans() ) {
- // Interwiki transclusion
- if ( $this->ot['html'] && !$forceRawInterwiki ) {
- $text = $this->interwikiTransclude( $title, 'render' );
- $isHTML = true;
$noparse = true;
- } else {
- $text = $this->interwikiTransclude( $title, 'raw' );
- $replaceHeadings = true;
+ $noargs = true;
+ $isHTML = true;
+ $this->disableCache();
+ }
+ } else if ( $wgNonincludableNamespaces && in_array( $title->getNamespace(), $wgNonincludableNamespaces ) ) {
+ $found = false; //access denied
+ wfDebug( "$fname: template inclusion denied for " . $title->getPrefixedDBkey() );
+ } else {
+ list( $text, $title ) = $this->getTemplateDom( $title );
+ if ( $text !== false ) {
+ $found = true;
+ $isDOM = true;
}
- $found = true;
}
- # Template cache array insertion
- # Use the original $piece['title'] not the mangled $part1, so that
- # modifiers such as RAW: produce separate cache entries
- if( $found ) {
- if( $isHTML ) {
- // A special page; don't store it in the template cache.
- } else {
- $this->mTemplates[$piece['title']] = $text;
- }
- $text = $linestart . $text;
+ # If the title is valid but undisplayable, make a link to it
+ if ( !$found && ( $this->ot['html'] || $this->ot['pre'] ) ) {
+ $text = "[[:$titleText]]";
+ $found = true;
}
+ } elseif ( $title->isTrans() ) {
+ // Interwiki transclusion
+ if ( $this->ot['html'] && !$forceRawInterwiki ) {
+ $text = $this->interwikiTransclude( $title, 'render' );
+ $isHTML = true;
+ $noparse = true;
+ } else {
+ $text = $this->interwikiTransclude( $title, 'raw' );
+ }
+ $found = true;
}
wfProfileOut( __METHOD__ . '-loadtpl' );
}
- if ( $found && !$this->incrementIncludeSize( 'pre-expand', strlen( $text ) ) ) {
- # Error, oversize inclusion
- $text = $linestart .
- "[[$titleText]]<!-- WARNING: template omitted, pre-expand include size too large -->";
- $noparse = true;
- $noargs = true;
- }
-
# Recursive parsing, escaping and link table handling
# Only for HTML output
if ( $nowiki && $found && ( $this->ot['html'] || $this->ot['pre'] ) ) {
+ if ( $isDOM ) {
+ $text = $frame->expand( $text );
+ }
$text = wfEscapeWikiText( $text );
} elseif ( !$this->ot['msg'] && $found ) {
if ( $noargs ) {
- $assocArgs = array();
+ $newFrame = $frame->newChild();
} else {
# Clean up argument array
- $assocArgs = self::createAssocArgs($args);
+ $newFrame = $frame->newChild( $args, $title );
# Add a new element to the templace recursion path
- $this->mTemplatePath[$part1] = 1;
+ $this->mTemplatePath[$titleText] = 1;
}
if ( !$noparse ) {
- # If there are any <onlyinclude> tags, only include them
- if ( in_string( '<onlyinclude>', $text ) && in_string( '</onlyinclude>', $text ) ) {
- $replacer = new OnlyIncludeReplacer;
- StringUtils::delimiterReplaceCallback( '<onlyinclude>', '</onlyinclude>',
- array( &$replacer, 'replace' ), $text );
- $text = $replacer->output;
- }
- # Remove <noinclude> sections and <includeonly> tags
- $text = StringUtils::delimiterReplace( '<noinclude>', '</noinclude>', '', $text );
- $text = strtr( $text, array( '<includeonly>' => '' , '</includeonly>' => '' ) );
-
- if( $this->ot['html'] || $this->ot['pre'] ) {
- # Strip <nowiki>, <pre>, etc.
- $text = $this->strip( $text, $this->mStripState );
- if ( $this->ot['html'] ) {
- $text = Sanitizer::removeHTMLtags( $text, array( &$this, 'replaceVariables' ), $assocArgs );
- } elseif ( $this->ot['pre'] && $this->mOptions->getRemoveComments() ) {
- $text = Sanitizer::removeHTMLcomments( $text );
+ if ( $isDOM ) {
+ if ( $titleText !== false && count( $newFrame->args ) == 0 ) {
+ # Expansion is eligible for the empty-frame cache
+ if ( isset( $this->mTplExpandCache[$titleText] ) ) {
+ $text = $this->mTplExpandCache[$titleText];
+ } else {
+ $text = $newFrame->expand( $text );
+ $this->mTplExpandCache[$titleText] = $text;
+ }
+ } else {
+ $text = $newFrame->expand( $text );
}
+ } else {
+ $text = $this->replaceVariables( $text, $newFrame );
}
- $text = $this->replaceVariables( $text, $assocArgs );
- # If the template begins with a table or block-level
+ # strip woz 'ere 2004-07
+
+ # Bug 529: if the template begins with a table or block-level
# element, it should be treated as beginning a new line.
+ # This behaviour is somewhat controversial.
if (!$piece['lineStart'] && preg_match('/^(?:{\\||:|;|#|\*)/', $text)) /*}*/{
$text = "\n" . $text;
}
# $noparse and !$noargs
# Just replace the arguments, not any double-brace items
# This is used for rendered interwiki transclusion
- $text = $this->replaceVariables( $text, $assocArgs, true );
+ if ( $isDOM ) {
+ $text = $newFrame->expand( $text, 0, PPFrame::NO_TEMPLATES );
+ } else {
+ $text = $this->replaceVariables( $text, $newFrame, true );
+ }
+ } elseif ( $isDOM ) {
+ $text = $frame->expand( $text );
}
+ } elseif ( $isDOM ) {
+ $text = $frame->expand( $text, 0, PPFrame::NO_TEMPLATES | PPFrame::NO_ARGS );
}
+
# Prune lower levels off the recursion check path
$this->mTemplatePath = $lastPathLevel;
if ( $found && !$this->incrementIncludeSize( 'post-expand', strlen( $text ) ) ) {
# Error, oversize inclusion
- $text = $linestart .
- "[[$titleText]]<!-- WARNING: template omitted, post-expand include size too large -->";
+ $text = "[[$originalTitle]]" .
+ $this->insertStripItem( '<!-- WARNING: template omitted, post-expand include size too large -->' );
$noparse = true;
$noargs = true;
}
if ( !$found ) {
wfProfileOut( $fname );
- return $piece['text'];
+ return '{{' . $frame->implode( '|', $titleWithSpaces, $args ) . '}}';
} else {
wfProfileIn( __METHOD__ . '-placeholders' );
if ( $isHTML ) {
# Replace raw HTML by a placeholder
# Add a blank line preceding, to prevent it from mucking up
# immediately preceding headings
- $text = "\n\n" . $this->insertStripItem( $text, $this->mStripState );
- } else {
- # replace ==section headers==
- # XXX this needs to go away once we have a better parser.
- if ( !$this->ot['wiki'] && !$this->ot['pre'] && $replaceHeadings ) {
- if( !is_null( $title ) )
- $encodedname = base64_encode($title->getPrefixedDBkey());
- else
- $encodedname = base64_encode("");
- $m = preg_split('/(^={1,6}.*?={1,6}\s*?$)/m', $text, -1,
- PREG_SPLIT_DELIM_CAPTURE);
- $text = '';
- $nsec = $headingOffset;
-
- for( $i = 0; $i < count($m); $i += 2 ) {
- $text .= $m[$i];
- if (!isset($m[$i + 1]) || $m[$i + 1] == "") continue;
- $hl = $m[$i + 1];
- if( strstr($hl, "<!--MWTEMPLATESECTION") ) {
- $text .= $hl;
- continue;
- }
- $m2 = array();
- preg_match('/^(={1,6})(.*?)(={1,6})\s*?$/m', $hl, $m2);
- $text .= $m2[1] . $m2[2] . "<!--MWTEMPLATESECTION="
- . $encodedname . "&" . base64_encode("$nsec") . "-->" . $m2[3];
-
- $nsec++;
- }
- }
+ $text = "\n\n" . $this->insertStripItem( $text );
}
wfProfileOut( __METHOD__ . '-placeholders' );
}
if ( !$found ) {
wfProfileOut( $fname );
- return $piece['text'];
+ return '{{' . $frame->implode( '|', $titleWithSpaces, $args ) . '}}';
} else {
wfProfileOut( $fname );
return $text;
}
}
+ /**
+ * Get the semi-parsed DOM representation of a template with a given title,
+ * and its redirect destination title. Cached.
+ */
+ function getTemplateDom( $title ) {
+ $titleText = $title->getPrefixedDBkey();
+
+ if ( isset( $this->mTplRedirCache[$titleText] ) ) {
+ list( $ns, $dbk ) = $this->mTplRedirCache[$titleText];
+ $title = Title::makeTitle( $ns, $dbk );
+ $titleText = $title->getPrefixedDBkey();
+ }
+ if ( isset( $this->mTplDomCache[$titleText] ) ) {
+ return array( $this->mTplDomCache[$titleText], $title );
+ }
+
+ // Cache miss, go to the database
+ list( $text, $title ) = $this->fetchTemplateAndTitle( $title );
+
+ if ( $text === false ) {
+ $this->mTplDomCache[$titleText] = false;
+ return array( false, $title );
+ }
+
+ # If there are any <onlyinclude> tags, only include them
+ if ( !$this->ot['msg'] ) {
+ if ( in_string( '<onlyinclude>', $text ) && in_string( '</onlyinclude>', $text ) ) {
+ $replacer = new OnlyIncludeReplacer;
+ StringUtils::delimiterReplaceCallback( '<onlyinclude>', '</onlyinclude>',
+ array( &$replacer, 'replace' ), $text );
+ $text = $replacer->output;
+ }
+ # Remove <noinclude> sections and <includeonly> tags
+ $text = StringUtils::delimiterReplace( '<noinclude>', '</noinclude>', '', $text );
+ $text = strtr( $text, array( '<includeonly>' => '' , '</includeonly>' => '' ) );
+ }
+
+ $dom = $this->preprocessToDom( $text );
+ $this->mTplDomCache[$titleText] = $dom;
+ return array( $dom, $title );
+ }
+
/**
* Fetch the unparsed text of a template and register a reference to it.
*/
- function fetchTemplateAndtitle( $title ) {
+ function fetchTemplateAndTitle( $title ) {
+ $templateCb = $this->mOptions->getTemplateCallback();
+ $stuff = call_user_func( $templateCb, $title );
+ $text = $stuff['text'];
+ $finalTitle = isset( $stuff['finalTitle'] ) ? $stuff['finalTitle'] : $title;
+ if ( isset( $stuff['deps'] ) ) {
+ foreach ( $stuff['deps'] as $dep ) {
+ $this->mOutput->addTemplate( $dep['title'], $dep['page_id'], $dep['rev_id'] );
+ }
+ }
+ return array($text,$finalTitle);
+ }
+
+ function fetchTemplate( $title ) {
+ $rv = $this->fetchTemplateAndTitle($title);
+ return $rv[0];
+ }
+
+ /**
+ * Static function to get a template
+ * Can be overridden via ParserOptions::setTemplateCallback().
+ */
+ static function statelessFetchTemplate( $title ) {
$text = $skip = false;
$finalTitle = $title;
+ $deps = array();
+
// Loop to fetch the article, with up to 1 redirect
for ( $i = 0; $i < 2 && is_object( $title ); $i++ ) {
# Give extensions a chance to select the revision instead
$id = false; // Assume current
- wfRunHooks( 'BeforeParserFetchTemplateAndtitle', array( &$this, &$title, &$skip, &$id ) );
+ wfRunHooks( 'BeforeParserFetchTemplateAndtitle', array( false, &$title, &$skip, &$id ) );
if( $skip ) {
$text = false;
- $this->mOutput->addTemplate( $title, $title->getArticleID(), null );
+ $deps[] = array(
+ 'title' => $title,
+ 'page_id' => $title->getArticleID(),
+ 'rev_id' => null );
break;
}
$rev = $id ? Revision::newFromId( $id ) : Revision::newFromTitle( $title );
$rev_id = $rev ? $rev->getId() : 0;
-
- $this->mOutput->addTemplate( $title, $title->getArticleID(), $rev_id );
-
+
+ $deps[] = array(
+ 'title' => $title,
+ 'page_id' => $title->getArticleID(),
+ 'rev_id' => $rev_id );
+
if( $rev ) {
$text = $rev->getText();
} elseif( $title->getNamespace() == NS_MEDIAWIKI ) {
$finalTitle = $title;
$title = Title::newFromRedirect( $text );
}
- return array($text,$finalTitle);
- }
-
- function fetchTemplate( $title ) {
- $rv = $this->fetchTemplateAndtitle($title);
- return $rv[0];
+ return array(
+ 'text' => $text,
+ 'finalTitle' => $finalTitle,
+ 'deps' => $deps );
}
/**
* Triple brace replacement -- used for template arguments
* @private
*/
- function argSubstitution( $matches ) {
- $arg = trim( $matches['title'] );
- $text = $matches['text'];
- $inputArgs = end( $this->mArgStack );
+ function argSubstitution( $piece, $frame ) {
+ wfProfileIn( __METHOD__ );
- if ( array_key_exists( $arg, $inputArgs ) ) {
- $text = $inputArgs[$arg];
- } else if (($this->mOutputType == OT_HTML || $this->mOutputType == OT_PREPROCESS ) &&
- null != $matches['parts'] && count($matches['parts']) > 0) {
- $text = $matches['parts'][0];
+ $text = false;
+ $error = false;
+ $parts = $piece['parts'];
+ $argWithSpaces = $frame->expand( $piece['title'] );
+ $arg = trim( $argWithSpaces );
+
+ if ( isset( $frame->args[$arg] ) ) {
+ $text = $frame->parent->expand( $frame->args[$arg] );
+ } else if ( ( $this->ot['html'] || $this->ot['pre'] ) && $parts->length > 0 ) {
+ $text = $frame->expand( $parts->item( 0 ) );
}
if ( !$this->incrementIncludeSize( 'arg', strlen( $text ) ) ) {
- $text = $matches['text'] .
- '<!-- WARNING: argument omitted, expansion size too large -->';
+ $error = '<!-- WARNING: argument omitted, expansion size too large -->';
}
+ if ( $text === false ) {
+ $text = '{{{' . $frame->implode( '|', $argWithSpaces, $parts ) . '}}}';
+ }
+ if ( $error !== false ) {
+ $text .= $error;
+ }
+
+ wfProfileOut( __METHOD__ );
return $text;
}
+ /**
+ * Return the text to be used for a given extension tag.
+ * This is the ghost of strip().
+ *
+ * @param array $params Associative array of parameters:
+ * name DOMNode for the tag name
+ * attrText DOMNode for unparsed text where tag attributes are thought to be
+ * inner Contents of extension element
+ * noClose Original text did not have a close tag
+ * @param PPFrame $frame
+ */
+ function extensionSubstitution( $params, $frame ) {
+ global $wgRawHtml, $wgContLang;
+ static $n = 1;
+
+ $name = $frame->expand( $params['name'] );
+ $attrText = is_null( $params['attr'] ) ? null : $frame->expand( $params['attr'] );
+ $content = is_null( $params['inner'] ) ? null : $frame->expand( $params['inner'] );
+
+ $marker = "{$this->mUniqPrefix}-$name-" . sprintf('%08X', $n++) . $this->mMarkerSuffix;
+
+ if ( $this->ot['html'] ) {
+ if ( $name == '!--' ) {
+ return '';
+ }
+ $name = strtolower( $name );
+
+ $params = Sanitizer::decodeTagAttributes( $attrText );
+ switch ( $name ) {
+ case 'html':
+ if( $wgRawHtml ) {
+ $output = $content;
+ break;
+ } else {
+ throw new MWException( '<html> extension tag encountered unexpectedly' );
+ }
+ case 'nowiki':
+ $output = Xml::escapeTagsOnly( $content );
+ break;
+ case 'math':
+ $output = $wgContLang->armourMath(
+ MathRenderer::renderMath( $content, $params ) );
+ break;
+ case 'gallery':
+ $output = $this->renderImageGallery( $content, $params );
+ break;
+ default:
+ if( isset( $this->mTagHooks[$name] ) ) {
+ $output = call_user_func_array( $this->mTagHooks[$name],
+ array( $content, $params, $this ) );
+ } else {
+ throw new MWException( "Invalid call hook $name" );
+ }
+ }
+ } else {
+ if ( $name == '!--' ) {
+ $output = '<!--' . $content . '-->';
+ } else {
+ if ( $content === null ) {
+ $output = "<$name$attrText/>";
+ } else {
+ $close = is_null( $params['close'] ) ? '' : $frame->expand( $params['close'] );
+ $output = "<$name$attrText>$content$close";
+ }
+ }
+ }
+
+ if ( $name == 'html' || $name == 'nowiki' ) {
+ $this->mStripState->nowiki->setPair( $marker, $output );
+ } else {
+ $this->mStripState->general->setPair( $marker, $output );
+ }
+ return $marker;
+ }
+
/**
* Increment an include size counter
*
* @return boolean False if this inclusion would take it over the maximum, true otherwise
*/
function incrementIncludeSize( $type, $size ) {
- if ( $this->mIncludeSizes[$type] + $size > $this->mOptions->getMaxIncludeSize() ) {
+ if ( $this->mIncludeSizes[$type] + $size > $this->mOptions->getMaxIncludeSize( $type ) ) {
return false;
} else {
$this->mIncludeSizes[$type] += $size;
# headline counter
$headlineCount = 0;
- $sectionCount = 0; # headlineCount excluding template sections
$numVisible = 0;
# Ugh .. the TOC should have neat indentation levels which can be
$prevlevel = 0;
$toclevel = 0;
$prevtoclevel = 0;
+ $markerRegex = "{$this->mUniqPrefix}-h-(\d+)-{$this->mMarkerSuffix}";
+ $baseTitleText = $this->mTitle->getPrefixedDBkey();
foreach( $matches[3] as $headline ) {
- $istemplate = 0;
- $templatetitle = '';
- $templatesection = 0;
+ $isTemplate = false;
+ $titleText = false;
+ $sectionIndex = false;
$numbering = '';
- $mat = array();
- if (preg_match("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", $headline, $mat)) {
- $istemplate = 1;
- $templatetitle = base64_decode($mat[1]);
- $templatesection = 1 + (int)base64_decode($mat[2]);
- $headline = preg_replace("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", "", $headline);
+ $markerMatches = array();
+ if (preg_match("/^$markerRegex/", $headline, $markerMatches)) {
+ $serial = $markerMatches[1];
+ list( $titleText, $sectionIndex ) = $this->mHeadings[$serial];
+ $isTemplate = ($titleText != $baseTitleText);
+ $headline = preg_replace("/^$markerRegex/", "", $headline);
}
if( $toclevel ) {
}
}
- # The canonized header is a version of the header text safe to use for links
+ # The safe header is a version of the header text safe to use for links
# Avoid insertion of weird stuff like <math> by expanding the relevant sections
- $canonized_headline = $this->mStripState->unstripBoth( $headline );
+ $safeHeadline = $this->mStripState->unstripBoth( $headline );
# Remove link placeholders by the link text.
# <!--LINK number-->
# turns into
# link text with suffix
- $canonized_headline = preg_replace( '/<!--LINK ([0-9]*)-->/e',
+ $safeHeadline = preg_replace( '/<!--LINK ([0-9]*)-->/e',
"\$this->mLinkHolders['texts'][\$1]",
- $canonized_headline );
- $canonized_headline = preg_replace( '/<!--IWLINK ([0-9]*)-->/e',
+ $safeHeadline );
+ $safeHeadline = preg_replace( '/<!--IWLINK ([0-9]*)-->/e',
"\$this->mInterwikiLinkHolders['texts'][\$1]",
- $canonized_headline );
+ $safeHeadline );
# Strip out HTML (other than plain <sup> and <sub>: bug 8393)
$tocline = preg_replace(
array( '#<(?!/?(sup|sub)).*?'.'>#', '#<(/?(sup|sub)).*?'.'>#' ),
array( '', '<$1>'),
- $canonized_headline
+ $safeHeadline
);
$tocline = trim( $tocline );
# For the anchor, strip out HTML-y stuff period
- $canonized_headline = preg_replace( '/<.*?'.'>/', '', $canonized_headline );
- $canonized_headline = trim( $canonized_headline );
+ $safeHeadline = preg_replace( '/<.*?'.'>/', '', $safeHeadline );
+ $safeHeadline = trim( $safeHeadline );
# Save headline for section edit hint before it's escaped
- $headline_hint = $canonized_headline;
- $canonized_headline = Sanitizer::escapeId( $canonized_headline );
- $refers[$headlineCount] = $canonized_headline;
+ $headlineHint = $safeHeadline;
+ $safeHeadline = Sanitizer::escapeId( $safeHeadline );
+ $refers[$headlineCount] = $safeHeadline;
# count how many in assoc. array so we can track dupes in anchors
- isset( $refers[$canonized_headline] ) ? $refers[$canonized_headline]++ : $refers[$canonized_headline] = 1;
- $refcount[$headlineCount]=$refers[$canonized_headline];
+ isset( $refers[$safeHeadline] ) ? $refers[$safeHeadline]++ : $refers[$safeHeadline] = 1;
+ $refcount[$headlineCount] = $refers[$safeHeadline];
# Don't number the heading if it is the only one (looks silly)
if( $doNumberHeadings && count( $matches[3] ) > 1) {
}
# Create the anchor for linking from the TOC to the section
- $anchor = $canonized_headline;
+ $anchor = $safeHeadline;
if($refcount[$headlineCount] > 1 ) {
$anchor .= '_' . $refcount[$headlineCount];
}
$toc .= $sk->tocLine($anchor, $tocline, $numbering, $toclevel);
}
# give headline the correct <h#> tag
- if( $showEditLink && ( !$istemplate || $templatetitle !== "" ) ) {
- if( $istemplate )
- $editlink = $sk->editSectionLinkForOther($templatetitle, $templatesection);
+ if( $showEditLink && $sectionIndex !== false ) {
+ if( $isTemplate )
+ $editlink = $sk->editSectionLinkForOther($titleText, $sectionIndex);
else
- $editlink = $sk->editSectionLink($this->mTitle, $sectionCount+1, $headline_hint);
+ $editlink = $sk->editSectionLink($this->mTitle, $sectionIndex, $headlineHint);
} else {
$editlink = '';
}
$head[$headlineCount] = $sk->makeHeadline( $level, $matches['attrib'][$headlineCount], $anchor, $headline, $editlink );
$headlineCount++;
- if( !$istemplate )
- $sectionCount++;
}
# Never ever show TOC if no headers
$this->clearState();
}
- $stripState = new StripState;
$pairs = array(
"\r\n" => "\n",
);
$text = str_replace( array_keys( $pairs ), array_values( $pairs ), $text );
- $text = $this->strip( $text, $stripState, true, array( 'gallery' ) );
- $text = $this->pstPass2( $text, $stripState, $user );
- $text = $stripState->unstripBoth( $text );
+ $text = $this->pstPass2( $text, $user );
+ $text = $this->mStripState->unstripBoth( $text );
return $text;
}
* Pre-save transform helper function
* @private
*/
- function pstPass2( $text, &$stripState, $user ) {
+ function pstPass2( $text, $user ) {
global $wgContLang, $wgLocaltimezone;
/* Note: This is the timestamp saved as hardcoded wikitext to
$text = $this->replaceVariables( $text );
# Strip out <nowiki> etc. added via replaceVariables
- $text = $this->strip( $text, $stripState, false, array( 'gallery' ) );
+ #$text = $this->strip( $text, $this->mStripState, false, array( 'gallery' ) );
# Signatures
$sigText = $this->getUserSig( $user );
/**
* Transform a MediaWiki message by replacing magic variables.
*
+ * For some unknown reason, it also expands templates, but only to the
+ * first recursion level. This is wrong and broken, probably introduced
+ * accidentally during refactoring, but probably relied upon by thousands
+ * of users.
+ *
* @param string $text the text to transform
* @param ParserOptions $options options
* @return string the text with variables substituted
$tag = strtolower( $tag );
$oldVal = isset( $this->mTagHooks[$tag] ) ? $this->mTagHooks[$tag] : null;
$this->mTagHooks[$tag] = $callback;
+ $this->mStripList[] = $tag;
return $oldVal;
}
* @return The old callback function for this name, if any
*/
function setFunctionHook( $id, $callback, $flags = 0 ) {
- $oldVal = isset( $this->mFunctionHooks[$id] ) ? $this->mFunctionHooks[$id] : null;
- $this->mFunctionHooks[$id] = $callback;
+ $oldVal = isset( $this->mFunctionHooks[$id] ) ? $this->mFunctionHooks[$id][0] : null;
+ $this->mFunctionHooks[$id] = array( $callback, $flags );
# Add to function cache
$mw = MagicWord::get( $id );
* Callback from the Sanitizer for expanding items found in HTML attribute
* values, so they can be safely tested and escaped.
* @param string $text
- * @param array $args
+ * @param PPFrame $frame
* @return string
* @private
*/
- function attributeStripCallback( &$text, $args ) {
- $text = $this->replaceVariables( $text, $args );
+ function attributeStripCallback( &$text, $frame = false ) {
+ $text = $this->replaceVariables( $text, $frame );
$text = $this->mStripState->unstripBoth( $text );
return $text;
}
* @param $text Page wikitext
* @param $section Numbered section. 0 pulls the text before the first
* heading; other numbers will pull the given section
- * along with its lower-level subsections.
+ * along with its lower-level subsections. If the section is
+ * not found, $mode=get will return $newtext, and
+ * $mode=replace will return $text.
* @param $mode One of "get" or "replace"
- * @param $newtext Replacement text for section data.
+ * @param $newText Replacement text for section data.
* @return string for "get", the extracted section text.
* for "replace", the whole page with the section replaced.
*/
- private function extractSections( $text, $section, $mode, $newtext='' ) {
- # I.... _hope_ this is right.
- # Otherwise, sometimes we don't have things initialized properly.
+ private function extractSections( $text, $section, $mode, $newText='' ) {
$this->clearState();
-
- # strip NOWIKI etc. to avoid confusion (true-parameter causes HTML
- # comments to be stripped as well)
- $stripState = new StripState;
-
- $oldOutputType = $this->mOutputType;
- $oldOptions = $this->mOptions;
- $this->mOptions = new ParserOptions();
+ $this->mOptions = new ParserOptions;
$this->setOutputType( OT_WIKI );
-
- $striptext = $this->strip( $text, $stripState, true );
-
- $this->setOutputType( $oldOutputType );
- $this->mOptions = $oldOptions;
-
- # now that we can be sure that no pseudo-sections are in the source,
- # split it up by section
- $uniq = preg_quote( $this->uniqPrefix(), '/' );
- $comment = "(?:$uniq-!--.*?QINU\x07)";
- $secs = preg_split(
- "/
- (
- ^
- (?:$comment|<\/?noinclude>)* # Initial comments will be stripped
- (=+) # Should this be limited to 6?
- .+? # Section title...
- \\2 # Ending = count must match start
- (?:$comment|<\/?noinclude>|[ \\t]+)* # Trailing whitespace ok
- $
- |
- <h([1-6])\b.*?>
- .*?
- <\/h\\3\s*>
- )
- /mix",
- $striptext, -1,
- PREG_SPLIT_DELIM_CAPTURE);
-
- if( $mode == "get" ) {
- if( $section == 0 ) {
- // "Section 0" returns the content before any other section.
- $rv = $secs[0];
- } else {
- //track missing section, will replace if found.
- $rv = $newtext;
+ $curIndex = 0;
+ $outText = '';
+ $frame = new PPFrame( $this );
+
+ // Preprocess the text
+ $dom = $this->preprocessToDom( $text );
+ $root = $dom->documentElement;
+
+ // <h> nodes indicate section breaks
+ // They can only occur at the top level, so we can find them by iterating the root's children
+ $node = $root->firstChild;
+
+ // Find the target section
+ if ( $section == 0 ) {
+ // Section zero doesn't nest, level=big
+ $targetLevel = 1000;
+ } else {
+ while ( $node ) {
+ if ( $node->nodeName == 'h' ) {
+ if ( $curIndex + 1 == $section ) {
+ break;
+ }
+ $curIndex++;
+ }
+ if ( $mode == 'replace' ) {
+ $outText .= $frame->expand( $node );
+ }
+ $node = $node->nextSibling;
}
- } elseif( $mode == "replace" ) {
- if( $section == 0 ) {
- $rv = $newtext . "\n\n";
- $remainder = true;
- } else {
- $rv = $secs[0];
- $remainder = false;
+ if ( $node ) {
+ $targetLevel = $node->getAttribute( 'level' );
}
}
- $count = 0;
- $sectionLevel = 0;
- for( $index = 1; $index < count( $secs ); ) {
- $headerLine = $secs[$index++];
- if( $secs[$index] ) {
- // A wiki header
- $headerLevel = strlen( $secs[$index++] );
+
+ if ( !$node ) {
+ // Not found
+ if ( $mode == 'get' ) {
+ return $newText;
} else {
- // An HTML header
- $index++;
- $headerLevel = intval( $secs[$index++] );
+ return $text;
}
- $content = $secs[$index++];
-
- $count++;
- if( $mode == "get" ) {
- if( $count == $section ) {
- $rv = $headerLine . $content;
- $sectionLevel = $headerLevel;
- } elseif( $count > $section ) {
- if( $sectionLevel && $headerLevel > $sectionLevel ) {
- $rv .= $headerLine . $content;
- } else {
- // Broke out to a higher-level section
- break;
- }
- }
- } elseif( $mode == "replace" ) {
- if( $count < $section ) {
- $rv .= $headerLine . $content;
- } elseif( $count == $section ) {
- $rv .= $newtext . "\n\n";
- $sectionLevel = $headerLevel;
- } elseif( $count > $section ) {
- if( $headerLevel <= $sectionLevel ) {
- // Passed the section's sub-parts.
- $remainder = true;
- }
- if( $remainder ) {
- $rv .= $headerLine . $content;
- }
+ }
+
+ // Find the end of the section, including nested sections
+ do {
+ if ( $node->nodeName == 'h' ) {
+ $curIndex++;
+ $curLevel = $node->getAttribute( 'level' );
+ if ( $curIndex != $section && $curLevel <= $targetLevel ) {
+ break;
}
}
+ if ( $mode == 'get' ) {
+ $outText .= $frame->expand( $node );
+ }
+ $node = $node->nextSibling;
+ } while ( $node );
+
+ // Write out the remainder (in replace mode only)
+ if ( $mode == 'replace' ) {
+ // Output the replacement text
+ // Add two newlines on -- trailing whitespace in $newText is conventionally
+ // stripped by the editor, so we need both newlines to restore the paragraph gap
+ $outText .= $newText . "\n\n";
+ while ( $node ) {
+ $outText .= $frame->expand( $node );
+ $node = $node->nextSibling;
+ }
}
- if (is_string($rv))
- # reinsert stripped tags
- $rv = trim( $stripState->unstripBoth( $rv ) );
- return $rv;
+ if ( is_string( $outText ) ) {
+ // Re-insert stripped tags
+ $outText = trim( $this->mStripState->unstripBoth( $outText ) );
+ }
+
+ return $outText;
}
/**
$text = StringUtils::delimiterReplace( '<', '>', '', $text );
return $text;
}
+
+ /**
+ * strip/replaceVariables/unstrip for preprocessor regression testing
+ */
+ function srvus( $text ) {
+ $text = $this->replaceVariables( $text );
+ $text = $this->mStripState->unstripBoth( $text );
+ return $text;
+ }
}
/**
function unstripGeneral( $text ) {
wfProfileIn( __METHOD__ );
- $text = $this->general->replace( $text );
+ do {
+ $oldText = $text;
+ $text = $this->general->replace( $text );
+ } while ( $text != $oldText );
wfProfileOut( __METHOD__ );
return $text;
}
function unstripNoWiki( $text ) {
wfProfileIn( __METHOD__ );
- $text = $this->nowiki->replace( $text );
+ do {
+ $oldText = $text;
+ $text = $this->nowiki->replace( $text );
+ } while ( $text != $oldText );
wfProfileOut( __METHOD__ );
return $text;
}
function unstripBoth( $text ) {
wfProfileIn( __METHOD__ );
- $text = $this->general->replace( $text );
- $text = $this->nowiki->replace( $text );
+ do {
+ $oldText = $text;
+ $text = $this->general->replace( $text );
+ $text = $this->nowiki->replace( $text );
+ } while ( $text != $oldText );
wfProfileOut( __METHOD__ );
return $text;
}
}
+
+/**
+ * An expansion frame, used as a context to expand the result of preprocessToDom()
+ */
+class PPFrame {
+ var $parser, $title;
+
+ const NO_ARGS = 1;
+ const NO_TEMPLATES = 2;
+
+ /**
+ * Construct a new preprocessor frame.
+ * @param Parser $parser The parent parser
+ * @param Title $title The context title, or false if there isn't one
+ */
+ function __construct( $parser ) {
+ $this->parser = $parser;
+ $this->title = $parser->mTitle;
+ }
+
+ /**
+ * Create a new child frame
+ * $args is optionally a DOMNodeList containing the template arguments
+ */
+ function newChild( $args = false, $title = false ) {
+ $assocArgs = array();
+ if ( $title === false ) {
+ $title = $this->title;
+ }
+ if ( $args !== false ) {
+ $xpath = false;
+ foreach ( $args as $arg ) {
+ if ( !$xpath ) {
+ $xpath = new DOMXPath( $arg->ownerDocument );
+ }
+
+ $nameNodes = $xpath->query( 'name', $arg );
+ if ( $nameNodes->item( 0 )->hasAttributes() ) {
+ // Numbered parameter
+ $name = $nameNodes->item( 0 )->attributes->getNamedItem( 'index' )->textContent;
+ } else {
+ // Named parameter
+ $name = $this->expand( $nameNodes->item( 0 ) );
+ }
+
+ $value = $xpath->query( 'value', $arg );
+ $assocArgs[$name] = $value->item( 0 );
+ }
+ }
+ return new PPTemplateFrame( $this->parser, $this, $assocArgs, $title );
+ }
+
+ /**
+ * Expand a DOMNode describing a preprocessed document into plain wikitext,
+ * using the current context
+ * @param $root the node
+ */
+ function expand( $root, $shallowFlags = 0, $deepFlags = 0 ) {
+ if ( is_string( $root ) ) {
+ return $root;
+ }
+
+ if ( $this->parser->ot['html']
+ && ++$this->parser->mPPNodeCount > $this->parser->mOptions->mMaxPPNodeCount )
+ {
+ return $this->parser->insertStripItem( '<!-- node-count limit exceeded -->' );
+ }
+ $flags = $shallowFlags | $deepFlags;
+
+ if ( is_array( $root ) ) {
+ $s = '';
+ foreach ( $root as $node ) {
+ $s .= $this->expand( $node, 0, $deepFlags );
+ }
+ } elseif ( $root instanceof DOMNodeList ) {
+ $s = '';
+ foreach ( $root as $node ) {
+ $s .= $this->expand( $node, 0, $deepFlags );
+ }
+ } elseif ( $root instanceof DOMNode ) {
+ if ( $root->nodeType == XML_TEXT_NODE ) {
+ $s = $root->nodeValue;
+ } elseif ( $root->nodeName == 'template' ) {
+ # Double-brace expansion
+ $xpath = new DOMXPath( $root->ownerDocument );
+ $titles = $xpath->query( 'title', $root );
+ $title = $titles->item( 0 );
+ $parts = $xpath->query( 'part', $root );
+ if ( $flags & self::NO_TEMPLATES ) {
+ $s = '{{' . $this->implodeWithFlags( '|', 0, $deepFlags, $title, $parts ) . '}}';
+ } else {
+ $lineStart = $root->getAttribute( 'lineStart' );
+ $params = array(
+ 'title' => $title,
+ 'parts' => $parts,
+ 'lineStart' => $lineStart,
+ 'text' => 'FIXME' );
+ $s = $this->parser->braceSubstitution( $params, $this );
+ }
+ } elseif ( $root->nodeName == 'tplarg' ) {
+ # Triple-brace expansion
+ $xpath = new DOMXPath( $root->ownerDocument );
+ $titles = $xpath->query( 'title', $root );
+ $title = $titles->item( 0 );
+ $parts = $xpath->query( 'part', $root );
+ if ( $flags & self::NO_ARGS || $this->parser->ot['msg'] ) {
+ $s = '{{{' . $this->implode( '|', 0, $deepFlags, $title, $parts ) . '}}}';
+ } else {
+ $params = array( 'title' => $title, 'parts' => $parts, 'text' => 'FIXME' );
+ $s = $this->parser->argSubstitution( $params, $this );
+ }
+ } elseif ( $root->nodeName == 'ext' ) {
+ # Extension tag
+ $xpath = new DOMXPath( $root->ownerDocument );
+ $names = $xpath->query( 'name', $root );
+ $attrs = $xpath->query( 'attr', $root );
+ $inners = $xpath->query( 'inner', $root );
+ $closes = $xpath->query( 'close', $root );
+ $params = array(
+ 'name' => $names->item( 0 ),
+ 'attr' => $attrs->length > 0 ? $attrs->item( 0 ) : null,
+ 'inner' => $inners->length > 0 ? $inners->item( 0 ) : null,
+ 'close' => $closes->length > 0 ? $closes->item( 0 ) : null,
+ );
+ $s = $this->parser->extensionSubstitution( $params, $this );
+ } elseif ( $root->nodeName == 'h' ) {
+ # Heading
+ $s = $this->expand( $root->childNodes, 0, $deepFlags );
+
+ if ( $this->parser->ot['html'] ) {
+ # Insert heading index marker
+ $headingIndex = $root->getAttribute( 'i' );
+ $titleText = $this->title->getPrefixedDBkey();
+ $this->parser->mHeadings[] = array( $titleText, $headingIndex );
+ $serial = count( $this->parser->mHeadings ) - 1;
+ $marker = "{$this->parser->mUniqPrefix}-h-$serial-{$this->parser->mMarkerSuffix}";
+ $count = $root->getAttribute( 'level' );
+
+ // FIXME: bug-for-bug with old parser
+ // Lose whitespace for no apparent reason
+ // Remove this after differential testing is done
+ if ( true ) {
+ // Good version
+ $s = substr( $s, 0, $count ) . $marker . substr( $s, $count );
+ } else {
+ // Bad version
+ if ( preg_match( '/^(={1,6})(.*?)(={1,6})\s*?$/', $s, $m ) ) {
+ if ( $m[2] != '' ) {
+ $s = $m[1] . $marker . $m[2] . $m[3];
+ }
+ }
+ }
+ $this->parser->mStripState->general->setPair( $marker, '' );
+ }
+ } else {
+ # Generic recursive expansion
+ $s = '';
+ for ( $node = $root->firstChild; $node; $node = $node->nextSibling ) {
+ if ( $node->nodeType == XML_TEXT_NODE ) {
+ $s .= $node->nodeValue;
+ } elseif ( $node->nodeType == XML_ELEMENT_NODE ) {
+ $s .= $this->expand( $node, 0, $deepFlags );
+ }
+ }
+ }
+ } else {
+ throw new MWException( __METHOD__.': Invalid parameter type' );
+ }
+ return $s;
+ }
+
+ function implodeWithFlags( $sep, $shallowFlags, $deepFlags /*, ... */ ) {
+ $args = array_slice( func_get_args(), 3 );
+
+ $first = true;
+ $s = '';
+ foreach ( $args as $root ) {
+ if ( !is_array( $root ) && !( $root instanceof DOMNodeList ) ) {
+ $root = array( $root );
+ }
+ foreach ( $root as $node ) {
+ if ( $first ) {
+ $first = false;
+ } else {
+ $s .= $sep;
+ }
+ $s .= $this->expand( $node, $shallowFlags, $deepFlags );
+ }
+ }
+ return $s;
+ }
+
+ function implode( $sep /*, ... */ ) {
+ $args = func_get_args();
+ $args = array_merge( array_slice( $args, 0, 1 ), array( 0, 0 ), array_slice( $args, 1 ) );
+ return call_user_func_array( array( $this, 'implodeWithFlags' ), $args );
+ }
+
+ function __toString() {
+ return 'frame{}';
+ }
+}
+
+/**
+ * Expansion frame with template arguments
+ */
+class PPTemplateFrame extends PPFrame {
+ public $parser, $args, $parent, $serial;
+
+ function __construct( $parser, $parent = false, $args = array(), $title = false ) {
+ $this->parser = $parser;
+ $this->parent = $parent;
+ $this->args = $args;
+ $this->title = $title;
+ }
+
+ function __toString() {
+ $s = 'tplframe{';
+ $first = true;
+ foreach ( $this->args as $name => $value ) {
+ if ( $first ) {
+ $first = false;
+ } else {
+ $s .= ', ';
+ }
+ $s .= "\"$name\":\"" .
+ str_replace( '"', '\\"', $value->ownerDocument->saveXML( $value ) ) . '"';
+ }
+ $s .= '}';
+ return $s;
+ }
+}
+
--- /dev/null
+<?php
+/**
+ * Parser with old preprocessor
+ */
+class Parser_OldPP
+{
+ /**
+ * Update this version number when the ParserOutput format
+ * changes in an incompatible way, so the parser cache
+ * can automatically discard old data.
+ */
+ const VERSION = '1.6.2';
+
+ # Flags for Parser::setFunctionHook
+ # Also available as global constants from Defines.php
+ const SFH_NO_HASH = 1;
+ const SFH_OBJECT_ARGS = 2;
+
+ # Constants needed for external link processing
+ # Everything except bracket, space, or control characters
+ const EXT_LINK_URL_CLASS = '[^][<>"\\x00-\\x20\\x7F]';
+ const EXT_IMAGE_REGEX = '/^(http:\/\/|https:\/\/)([^][<>"\\x00-\\x20\\x7F]+)\\/([A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]+)\\.((?i)gif|png|jpg|jpeg)$/S';
+
+ // State constants for the definition list colon extraction
+ const COLON_STATE_TEXT = 0;
+ const COLON_STATE_TAG = 1;
+ const COLON_STATE_TAGSTART = 2;
+ const COLON_STATE_CLOSETAG = 3;
+ const COLON_STATE_TAGSLASH = 4;
+ const COLON_STATE_COMMENT = 5;
+ const COLON_STATE_COMMENTDASH = 6;
+ const COLON_STATE_COMMENTDASHDASH = 7;
+
+ /**#@+
+ * @private
+ */
+ # Persistent:
+ var $mTagHooks, $mTransparentTagHooks, $mFunctionHooks, $mFunctionSynonyms, $mVariables,
+ $mImageParams, $mImageParamsMagicArray, $mExtLinkBracketedRegex;
+
+ # Cleared with clearState():
+ var $mOutput, $mAutonumber, $mDTopen, $mStripState;
+ var $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
+ var $mInterwikiLinkHolders, $mLinkHolders, $mUniqPrefix;
+ var $mIncludeSizes, $mDefaultSort;
+ var $mTemplates, // cache of already loaded templates, avoids
+ // multiple SQL queries for the same string
+ $mTemplatePath; // stores an unsorted hash of all the templates already loaded
+ // in this path. Used for loop detection.
+
+ # Temporary
+ # These are variables reset at least once per parse regardless of $clearState
+ var $mOptions, // ParserOptions object
+ $mTitle, // Title context, used for self-link rendering and similar things
+ $mOutputType, // Output type, one of the OT_xxx constants
+ $ot, // Shortcut alias, see setOutputType()
+ $mRevisionId, // ID to display in {{REVISIONID}} tags
+ $mRevisionTimestamp, // The timestamp of the specified revision ID
+ $mRevIdForTs; // The revision ID which was used to fetch the timestamp
+
+ /**#@-*/
+
+ /**
+ * Constructor
+ *
+ * @public
+ */
+ function __construct( $conf = array() ) {
+ $this->mTagHooks = array();
+ $this->mTransparentTagHooks = array();
+ $this->mFunctionHooks = array();
+ $this->mFunctionSynonyms = array( 0 => array(), 1 => array() );
+ $this->mFirstCall = true;
+ $this->mExtLinkBracketedRegex = '/\[(\b(' . wfUrlProtocols() . ')'.
+ '[^][<>"\\x00-\\x20\\x7F]+) *([^\]\\x0a\\x0d]*?)\]/S';
+ }
+
+ /**
+ * Do various kinds of initialisation on the first call of the parser
+ */
+ function firstCallInit() {
+ if ( !$this->mFirstCall ) {
+ return;
+ }
+
+ wfProfileIn( __METHOD__ );
+ global $wgAllowDisplayTitle, $wgAllowSlowParserFunctions;
+
+ $this->setHook( 'pre', array( $this, 'renderPreTag' ) );
+
+ $this->setFunctionHook( 'int', array( 'CoreParserFunctions', 'intFunction' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'ns', array( 'CoreParserFunctions', 'ns' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'urlencode', array( 'CoreParserFunctions', 'urlencode' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'lcfirst', array( 'CoreParserFunctions', 'lcfirst' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'ucfirst', array( 'CoreParserFunctions', 'ucfirst' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'lc', array( 'CoreParserFunctions', 'lc' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'uc', array( 'CoreParserFunctions', 'uc' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'localurl', array( 'CoreParserFunctions', 'localurl' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'localurle', array( 'CoreParserFunctions', 'localurle' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'fullurl', array( 'CoreParserFunctions', 'fullurl' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'fullurle', array( 'CoreParserFunctions', 'fullurle' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'formatnum', array( 'CoreParserFunctions', 'formatnum' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'grammar', array( 'CoreParserFunctions', 'grammar' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'plural', array( 'CoreParserFunctions', 'plural' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberofpages', array( 'CoreParserFunctions', 'numberofpages' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberofusers', array( 'CoreParserFunctions', 'numberofusers' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberofarticles', array( 'CoreParserFunctions', 'numberofarticles' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberoffiles', array( 'CoreParserFunctions', 'numberoffiles' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberofadmins', array( 'CoreParserFunctions', 'numberofadmins' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberofedits', array( 'CoreParserFunctions', 'numberofedits' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'language', array( 'CoreParserFunctions', 'language' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'padleft', array( 'CoreParserFunctions', 'padleft' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'padright', array( 'CoreParserFunctions', 'padright' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'anchorencode', array( 'CoreParserFunctions', 'anchorencode' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'special', array( 'CoreParserFunctions', 'special' ) );
+ $this->setFunctionHook( 'defaultsort', array( 'CoreParserFunctions', 'defaultsort' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'filepath', array( 'CoreParserFunctions', 'filepath' ), SFH_NO_HASH );
+
+ if ( $wgAllowDisplayTitle ) {
+ $this->setFunctionHook( 'displaytitle', array( 'CoreParserFunctions', 'displaytitle' ), SFH_NO_HASH );
+ }
+ if ( $wgAllowSlowParserFunctions ) {
+ $this->setFunctionHook( 'pagesinnamespace', array( 'CoreParserFunctions', 'pagesinnamespace' ), SFH_NO_HASH );
+ }
+
+ $this->initialiseVariables();
+ $this->mFirstCall = false;
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * Clear Parser state
+ *
+ * @private
+ */
+ function clearState() {
+ wfProfileIn( __METHOD__ );
+ if ( $this->mFirstCall ) {
+ $this->firstCallInit();
+ }
+ $this->mOutput = new ParserOutput;
+ $this->mAutonumber = 0;
+ $this->mLastSection = '';
+ $this->mDTopen = false;
+ $this->mIncludeCount = array();
+ $this->mStripState = new StripState;
+ $this->mArgStack = array();
+ $this->mInPre = false;
+ $this->mInterwikiLinkHolders = array(
+ 'texts' => array(),
+ 'titles' => array()
+ );
+ $this->mLinkHolders = array(
+ 'namespaces' => array(),
+ 'dbkeys' => array(),
+ 'queries' => array(),
+ 'texts' => array(),
+ 'titles' => array()
+ );
+ $this->mRevisionTimestamp = $this->mRevisionId = null;
+
+ /**
+ * Prefix for temporary replacement strings for the multipass parser.
+ * \x07 should never appear in input as it's disallowed in XML.
+ * Using it at the front also gives us a little extra robustness
+ * since it shouldn't match when butted up against identifier-like
+ * string constructs.
+ */
+ $this->mUniqPrefix = "\x07UNIQ" . self::getRandomString();
+
+ # Clear these on every parse, bug 4549
+ $this->mTemplates = array();
+ $this->mTemplatePath = array();
+
+ $this->mShowToc = true;
+ $this->mForceTocPosition = false;
+ $this->mIncludeSizes = array(
+ 'pre-expand' => 0,
+ 'post-expand' => 0,
+ 'arg' => 0
+ );
+ $this->mDefaultSort = false;
+
+ wfRunHooks( 'ParserClearState', array( &$this ) );
+ wfProfileOut( __METHOD__ );
+ }
+
+ function setOutputType( $ot ) {
+ $this->mOutputType = $ot;
+ // Shortcut alias
+ $this->ot = array(
+ 'html' => $ot == OT_HTML,
+ 'wiki' => $ot == OT_WIKI,
+ 'msg' => $ot == OT_MSG,
+ 'pre' => $ot == OT_PREPROCESS,
+ );
+ }
+
+ /**
+ * Accessor for mUniqPrefix.
+ *
+ * @public
+ */
+ function uniqPrefix() {
+ return $this->mUniqPrefix;
+ }
+
+ /**
+ * Convert wikitext to HTML
+ * Do not call this function recursively.
+ *
+ * @param string $text Text we want to parse
+ * @param Title &$title A title object
+ * @param array $options
+ * @param boolean $linestart
+ * @param boolean $clearState
+ * @param int $revid number to pass in {{REVISIONID}}
+ * @return ParserOutput a ParserOutput
+ */
+ public function parse( $text, &$title, $options, $linestart = true, $clearState = true, $revid = null ) {
+ /**
+ * First pass--just handle <nowiki> sections, pass the rest off
+ * to internalParse() which does all the real work.
+ */
+
+ global $wgUseTidy, $wgAlwaysUseTidy, $wgContLang;
+ $fname = 'Parser::parse-' . wfGetCaller();
+ wfProfileIn( __METHOD__ );
+ wfProfileIn( $fname );
+
+ if ( $clearState ) {
+ $this->clearState();
+ }
+
+ $this->mOptions = $options;
+ $this->mTitle =& $title;
+ $oldRevisionId = $this->mRevisionId;
+ $oldRevisionTimestamp = $this->mRevisionTimestamp;
+ if( $revid !== null ) {
+ $this->mRevisionId = $revid;
+ $this->mRevisionTimestamp = null;
+ }
+ $this->setOutputType( OT_HTML );
+ wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
+ $text = $this->strip( $text, $this->mStripState );
+ wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
+ $text = $this->internalParse( $text );
+ $text = $this->mStripState->unstripGeneral( $text );
+
+ # Clean up special characters, only run once, next-to-last before doBlockLevels
+ $fixtags = array(
+ # french spaces, last one Guillemet-left
+ # only if there is something before the space
+ '/(.) (?=\\?|:|;|!|%|\\302\\273)/' => '\\1 \\2',
+ # french spaces, Guillemet-right
+ '/(\\302\\253) /' => '\\1 ',
+ );
+ $text = preg_replace( array_keys($fixtags), array_values($fixtags), $text );
+
+ # only once and last
+ $text = $this->doBlockLevels( $text, $linestart );
+
+ $this->replaceLinkHolders( $text );
+
+ # the position of the parserConvert() call should not be changed. it
+ # assumes that the links are all replaced and the only thing left
+ # is the <nowiki> mark.
+ # Side-effects: this calls $this->mOutput->setTitleText()
+ $text = $wgContLang->parserConvert( $text, $this );
+
+ $text = $this->mStripState->unstripNoWiki( $text );
+
+ wfRunHooks( 'ParserBeforeTidy', array( &$this, &$text ) );
+
+//!JF Move to its own function
+
+ $uniq_prefix = $this->mUniqPrefix;
+ $matches = array();
+ $elements = array_keys( $this->mTransparentTagHooks );
+ $text = self::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
+
+ foreach( $matches as $marker => $data ) {
+ list( $element, $content, $params, $tag ) = $data;
+ $tagName = strtolower( $element );
+ if( isset( $this->mTransparentTagHooks[$tagName] ) ) {
+ $output = call_user_func_array( $this->mTransparentTagHooks[$tagName],
+ array( $content, $params, $this ) );
+ } else {
+ $output = $tag;
+ }
+ $this->mStripState->general->setPair( $marker, $output );
+ }
+ $text = $this->mStripState->unstripGeneral( $text );
+
+ $text = Sanitizer::normalizeCharReferences( $text );
+
+ if (($wgUseTidy and $this->mOptions->mTidy) or $wgAlwaysUseTidy) {
+ $text = self::tidy($text);
+ } else {
+ # attempt to sanitize at least some nesting problems
+ # (bug #2702 and quite a few others)
+ $tidyregs = array(
+ # ''Something [http://www.cool.com cool''] -->
+ # <i>Something</i><a href="http://www.cool.com"..><i>cool></i></a>
+ '/(<([bi])>)(<([bi])>)?([^<]*)(<\/?a[^<]*>)([^<]*)(<\/\\4>)?(<\/\\2>)/' =>
+ '\\1\\3\\5\\8\\9\\6\\1\\3\\7\\8\\9',
+ # fix up an anchor inside another anchor, only
+ # at least for a single single nested link (bug 3695)
+ '/(<a[^>]+>)([^<]*)(<a[^>]+>[^<]*)<\/a>(.*)<\/a>/' =>
+ '\\1\\2</a>\\3</a>\\1\\4</a>',
+ # fix div inside inline elements- doBlockLevels won't wrap a line which
+ # contains a div, so fix it up here; replace
+ # div with escaped text
+ '/(<([aib]) [^>]+>)([^<]*)(<div([^>]*)>)(.*)(<\/div>)([^<]*)(<\/\\2>)/' =>
+ '\\1\\3<div\\5>\\6</div>\\8\\9',
+ # remove empty italic or bold tag pairs, some
+ # introduced by rules above
+ '/<([bi])><\/\\1>/' => '',
+ );
+
+ $text = preg_replace(
+ array_keys( $tidyregs ),
+ array_values( $tidyregs ),
+ $text );
+ }
+
+ wfRunHooks( 'ParserAfterTidy', array( &$this, &$text ) );
+
+ # Information on include size limits, for the benefit of users who try to skirt them
+ if ( max( $this->mIncludeSizes ) > 1000 ) {
+ $max = $this->mOptions->getMaxIncludeSize();
+ $text .= "<!-- \n" .
+ "Pre-expand include size: {$this->mIncludeSizes['pre-expand']} bytes\n" .
+ "Post-expand include size: {$this->mIncludeSizes['post-expand']} bytes\n" .
+ "Template argument size: {$this->mIncludeSizes['arg']} bytes\n" .
+ "Maximum: $max bytes\n" .
+ "-->\n";
+ }
+ $this->mOutput->setText( $text );
+ $this->mRevisionId = $oldRevisionId;
+ $this->mRevisionTimestamp = $oldRevisionTimestamp;
+ wfProfileOut( $fname );
+ wfProfileOut( __METHOD__ );
+
+ return $this->mOutput;
+ }
+
+ /**
+ * Recursive parser entry point that can be called from an extension tag
+ * hook.
+ */
+ function recursiveTagParse( $text ) {
+ wfProfileIn( __METHOD__ );
+ wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
+ $text = $this->strip( $text, $this->mStripState );
+ wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
+ $text = $this->internalParse( $text );
+ wfProfileOut( __METHOD__ );
+ return $text;
+ }
+
+ /**
+ * Expand templates and variables in the text, producing valid, static wikitext.
+ * Also removes comments.
+ */
+ function preprocess( $text, $title, $options, $revid = null ) {
+ wfProfileIn( __METHOD__ );
+ $this->clearState();
+ $this->setOutputType( OT_PREPROCESS );
+ $this->mOptions = $options;
+ $this->mTitle = $title;
+ if( $revid !== null ) {
+ $this->mRevisionId = $revid;
+ }
+ wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
+ $text = $this->strip( $text, $this->mStripState );
+ wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
+ if ( $this->mOptions->getRemoveComments() ) {
+ $text = Sanitizer::removeHTMLcomments( $text );
+ }
+ $text = $this->replaceVariables( $text );
+ $text = $this->mStripState->unstripBoth( $text );
+ wfProfileOut( __METHOD__ );
+ return $text;
+ }
+
+ /**
+ * Get a random string
+ *
+ * @private
+ * @static
+ */
+ function getRandomString() {
+ return dechex(mt_rand(0, 0x7fffffff)) . dechex(mt_rand(0, 0x7fffffff));
+ }
+
+ function &getTitle() { return $this->mTitle; }
+ function getOptions() { return $this->mOptions; }
+
+ function getFunctionLang() {
+ global $wgLang, $wgContLang;
+ return $this->mOptions->getInterfaceMessage() ? $wgLang : $wgContLang;
+ }
+
+ /**
+ * Replaces all occurrences of HTML-style comments and the given tags
+ * in the text with a random marker and returns teh next text. The output
+ * parameter $matches will be an associative array filled with data in
+ * the form:
+ * 'UNIQ-xxxxx' => array(
+ * 'element',
+ * 'tag content',
+ * array( 'param' => 'x' ),
+ * '<element param="x">tag content</element>' ) )
+ *
+ * @param $elements list of element names. Comments are always extracted.
+ * @param $text Source text string.
+ * @param $uniq_prefix
+ *
+ * @public
+ * @static
+ */
+ function extractTagsAndParams($elements, $text, &$matches, $uniq_prefix = ''){
+ static $n = 1;
+ $stripped = '';
+ $matches = array();
+
+ $taglist = implode( '|', $elements );
+ $start = "/<($taglist)(\\s+[^>]*?|\\s*?)(\/?>)|<(!--)/i";
+
+ while ( '' != $text ) {
+ $p = preg_split( $start, $text, 2, PREG_SPLIT_DELIM_CAPTURE );
+ $stripped .= $p[0];
+ if( count( $p ) < 5 ) {
+ break;
+ }
+ if( count( $p ) > 5 ) {
+ // comment
+ $element = $p[4];
+ $attributes = '';
+ $close = '';
+ $inside = $p[5];
+ } else {
+ // tag
+ $element = $p[1];
+ $attributes = $p[2];
+ $close = $p[3];
+ $inside = $p[4];
+ }
+
+ $marker = "$uniq_prefix-$element-" . sprintf('%08X', $n++) . "-QINU\x07";
+ $stripped .= $marker;
+
+ if ( $close === '/>' ) {
+ // Empty element tag, <tag />
+ $content = null;
+ $text = $inside;
+ $tail = null;
+ } else {
+ if( $element == '!--' ) {
+ $end = '/(-->)/';
+ } else {
+ $end = "/(<\\/$element\\s*>)/i";
+ }
+ $q = preg_split( $end, $inside, 2, PREG_SPLIT_DELIM_CAPTURE );
+ $content = $q[0];
+ if( count( $q ) < 3 ) {
+ # No end tag -- let it run out to the end of the text.
+ $tail = '';
+ $text = '';
+ } else {
+ $tail = $q[1];
+ $text = $q[2];
+ }
+ }
+
+ $matches[$marker] = array( $element,
+ $content,
+ Sanitizer::decodeTagAttributes( $attributes ),
+ "<$element$attributes$close$content$tail" );
+ }
+ return $stripped;
+ }
+
+ /**
+ * Strips and renders nowiki, pre, math, hiero
+ * If $render is set, performs necessary rendering operations on plugins
+ * Returns the text, and fills an array with data needed in unstrip()
+ *
+ * @param StripState $state
+ *
+ * @param bool $stripcomments when set, HTML comments <!-- like this -->
+ * will be stripped in addition to other tags. This is important
+ * for section editing, where these comments cause confusion when
+ * counting the sections in the wikisource
+ *
+ * @param array dontstrip contains tags which should not be stripped;
+ * used to prevent stipping of <gallery> when saving (fixes bug 2700)
+ *
+ * @private
+ */
+ function strip( $text, $state, $stripcomments = false , $dontstrip = array () ) {
+ global $wgContLang;
+ wfProfileIn( __METHOD__ );
+ $render = ($this->mOutputType == OT_HTML);
+
+ $uniq_prefix = $this->mUniqPrefix;
+ $commentState = new ReplacementArray;
+ $nowikiItems = array();
+ $generalItems = array();
+
+ $elements = array_merge(
+ array( 'nowiki', 'gallery' ),
+ array_keys( $this->mTagHooks ) );
+ global $wgRawHtml;
+ if( $wgRawHtml ) {
+ $elements[] = 'html';
+ }
+ if( $this->mOptions->getUseTeX() ) {
+ $elements[] = 'math';
+ }
+
+ # Removing $dontstrip tags from $elements list (currently only 'gallery', fixing bug 2700)
+ foreach ( $elements AS $k => $v ) {
+ if ( !in_array ( $v , $dontstrip ) ) continue;
+ unset ( $elements[$k] );
+ }
+
+ $matches = array();
+ $text = self::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
+
+ foreach( $matches as $marker => $data ) {
+ list( $element, $content, $params, $tag ) = $data;
+ if( $render ) {
+ $tagName = strtolower( $element );
+ wfProfileIn( __METHOD__."-render-$tagName" );
+ switch( $tagName ) {
+ case '!--':
+ // Comment
+ if( substr( $tag, -3 ) == '-->' ) {
+ $output = $tag;
+ } else {
+ // Unclosed comment in input.
+ // Close it so later stripping can remove it
+ $output = "$tag-->";
+ }
+ break;
+ case 'html':
+ if( $wgRawHtml ) {
+ $output = $content;
+ break;
+ }
+ // Shouldn't happen otherwise. :)
+ case 'nowiki':
+ $output = Xml::escapeTagsOnly( $content );
+ break;
+ case 'math':
+ $output = $wgContLang->armourMath(
+ MathRenderer::renderMath( $content, $params ) );
+ break;
+ case 'gallery':
+ $output = $this->renderImageGallery( $content, $params );
+ break;
+ default:
+ if( isset( $this->mTagHooks[$tagName] ) ) {
+ $output = call_user_func_array( $this->mTagHooks[$tagName],
+ array( $content, $params, $this ) );
+ } else {
+ throw new MWException( "Invalid call hook $element" );
+ }
+ }
+ wfProfileOut( __METHOD__."-render-$tagName" );
+ } else {
+ // Just stripping tags; keep the source
+ $output = $tag;
+ }
+
+ // Unstrip the output, to support recursive strip() calls
+ $output = $state->unstripBoth( $output );
+
+ if( !$stripcomments && $element == '!--' ) {
+ $commentState->setPair( $marker, $output );
+ } elseif ( $element == 'html' || $element == 'nowiki' ) {
+ $nowikiItems[$marker] = $output;
+ } else {
+ $generalItems[$marker] = $output;
+ }
+ }
+ # Add the new items to the state
+ # We do this after the loop instead of during it to avoid slowing
+ # down the recursive unstrip
+ $state->nowiki->mergeArray( $nowikiItems );
+ $state->general->mergeArray( $generalItems );
+
+ # Unstrip comments unless explicitly told otherwise.
+ # (The comments are always stripped prior to this point, so as to
+ # not invoke any extension tags / parser hooks contained within
+ # a comment.)
+ if ( !$stripcomments ) {
+ // Put them all back and forget them
+ $text = $commentState->replace( $text );
+ }
+
+ wfProfileOut( __METHOD__ );
+ return $text;
+ }
+
+ /**
+ * Restores pre, math, and other extensions removed by strip()
+ *
+ * always call unstripNoWiki() after this one
+ * @private
+ * @deprecated use $this->mStripState->unstrip()
+ */
+ function unstrip( $text, $state ) {
+ return $state->unstripGeneral( $text );
+ }
+
+ /**
+ * Always call this after unstrip() to preserve the order
+ *
+ * @private
+ * @deprecated use $this->mStripState->unstrip()
+ */
+ function unstripNoWiki( $text, $state ) {
+ return $state->unstripNoWiki( $text );
+ }
+
+ /**
+ * @deprecated use $this->mStripState->unstripBoth()
+ */
+ function unstripForHTML( $text ) {
+ return $this->mStripState->unstripBoth( $text );
+ }
+
+ /**
+ * Add an item to the strip state
+ * Returns the unique tag which must be inserted into the stripped text
+ * The tag will be replaced with the original text in unstrip()
+ *
+ * @private
+ */
+ function insertStripItem( $text, &$state ) {
+ $rnd = $this->mUniqPrefix . '-item' . self::getRandomString();
+ $state->general->setPair( $rnd, $text );
+ return $rnd;
+ }
+
+ /**
+ * Interface with html tidy, used if $wgUseTidy = true.
+ * If tidy isn't able to correct the markup, the original will be
+ * returned in all its glory with a warning comment appended.
+ *
+ * Either the external tidy program or the in-process tidy extension
+ * will be used depending on availability. Override the default
+ * $wgTidyInternal setting to disable the internal if it's not working.
+ *
+ * @param string $text Hideous HTML input
+ * @return string Corrected HTML output
+ * @public
+ * @static
+ */
+ function tidy( $text ) {
+ global $wgTidyInternal;
+ $wrappedtext = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"'.
+' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>'.
+'<head><title>test</title></head><body>'.$text.'</body></html>';
+ if( $wgTidyInternal ) {
+ $correctedtext = self::internalTidy( $wrappedtext );
+ } else {
+ $correctedtext = self::externalTidy( $wrappedtext );
+ }
+ if( is_null( $correctedtext ) ) {
+ wfDebug( "Tidy error detected!\n" );
+ return $text . "\n<!-- Tidy found serious XHTML errors -->\n";
+ }
+ return $correctedtext;
+ }
+
+ /**
+ * Spawn an external HTML tidy process and get corrected markup back from it.
+ *
+ * @private
+ * @static
+ */
+ function externalTidy( $text ) {
+ global $wgTidyConf, $wgTidyBin, $wgTidyOpts;
+ $fname = 'Parser::externalTidy';
+ wfProfileIn( $fname );
+
+ $cleansource = '';
+ $opts = ' -utf8';
+
+ $descriptorspec = array(
+ 0 => array('pipe', 'r'),
+ 1 => array('pipe', 'w'),
+ 2 => array('file', wfGetNull(), 'a')
+ );
+ $pipes = array();
+ $process = proc_open("$wgTidyBin -config $wgTidyConf $wgTidyOpts$opts", $descriptorspec, $pipes);
+ if (is_resource($process)) {
+ // Theoretically, this style of communication could cause a deadlock
+ // here. If the stdout buffer fills up, then writes to stdin could
+ // block. This doesn't appear to happen with tidy, because tidy only
+ // writes to stdout after it's finished reading from stdin. Search
+ // for tidyParseStdin and tidySaveStdout in console/tidy.c
+ fwrite($pipes[0], $text);
+ fclose($pipes[0]);
+ while (!feof($pipes[1])) {
+ $cleansource .= fgets($pipes[1], 1024);
+ }
+ fclose($pipes[1]);
+ proc_close($process);
+ }
+
+ wfProfileOut( $fname );
+
+ if( $cleansource == '' && $text != '') {
+ // Some kind of error happened, so we couldn't get the corrected text.
+ // Just give up; we'll use the source text and append a warning.
+ return null;
+ } else {
+ return $cleansource;
+ }
+ }
+
+ /**
+ * Use the HTML tidy PECL extension to use the tidy library in-process,
+ * saving the overhead of spawning a new process.
+ *
+ * 'pear install tidy' should be able to compile the extension module.
+ *
+ * @private
+ * @static
+ */
+ function internalTidy( $text ) {
+ global $wgTidyConf, $IP;
+ $fname = 'Parser::internalTidy';
+ wfProfileIn( $fname );
+
+ $tidy = new tidy;
+ $tidy->parseString( $text, $wgTidyConf, 'utf8' );
+ $tidy->cleanRepair();
+ if( $tidy->getStatus() == 2 ) {
+ // 2 is magic number for fatal error
+ // http://www.php.net/manual/en/function.tidy-get-status.php
+ $cleansource = null;
+ } else {
+ $cleansource = tidy_get_output( $tidy );
+ }
+ wfProfileOut( $fname );
+ return $cleansource;
+ }
+
+ /**
+ * parse the wiki syntax used to render tables
+ *
+ * @private
+ */
+ function doTableStuff ( $text ) {
+ $fname = 'Parser::doTableStuff';
+ wfProfileIn( $fname );
+
+ $lines = explode ( "\n" , $text );
+ $td_history = array (); // Is currently a td tag open?
+ $last_tag_history = array (); // Save history of last lag activated (td, th or caption)
+ $tr_history = array (); // Is currently a tr tag open?
+ $tr_attributes = array (); // history of tr attributes
+ $has_opened_tr = array(); // Did this table open a <tr> element?
+ $indent_level = 0; // indent level of the table
+ foreach ( $lines as $key => $line )
+ {
+ $line = trim ( $line );
+
+ if( $line == '' ) { // empty line, go to next line
+ continue;
+ }
+ $first_character = $line{0};
+ $matches = array();
+
+ if ( preg_match( '/^(:*)\{\|(.*)$/' , $line , $matches ) ) {
+ // First check if we are starting a new table
+ $indent_level = strlen( $matches[1] );
+
+ $attributes = $this->mStripState->unstripBoth( $matches[2] );
+ $attributes = Sanitizer::fixTagAttributes ( $attributes , 'table' );
+
+ $lines[$key] = str_repeat( '<dl><dd>' , $indent_level ) . "<table{$attributes}>";
+ array_push ( $td_history , false );
+ array_push ( $last_tag_history , '' );
+ array_push ( $tr_history , false );
+ array_push ( $tr_attributes , '' );
+ array_push ( $has_opened_tr , false );
+ } else if ( count ( $td_history ) == 0 ) {
+ // Don't do any of the following
+ continue;
+ } else if ( substr ( $line , 0 , 2 ) == '|}' ) {
+ // We are ending a table
+ $line = '</table>' . substr ( $line , 2 );
+ $last_tag = array_pop ( $last_tag_history );
+
+ if ( !array_pop ( $has_opened_tr ) ) {
+ $line = "<tr><td></td></tr>{$line}";
+ }
+
+ if ( array_pop ( $tr_history ) ) {
+ $line = "</tr>{$line}";
+ }
+
+ if ( array_pop ( $td_history ) ) {
+ $line = "</{$last_tag}>{$line}";
+ }
+ array_pop ( $tr_attributes );
+ $lines[$key] = $line . str_repeat( '</dd></dl>' , $indent_level );
+ } else if ( substr ( $line , 0 , 2 ) == '|-' ) {
+ // Now we have a table row
+ $line = preg_replace( '#^\|-+#', '', $line );
+
+ // Whats after the tag is now only attributes
+ $attributes = $this->mStripState->unstripBoth( $line );
+ $attributes = Sanitizer::fixTagAttributes ( $attributes , 'tr' );
+ array_pop ( $tr_attributes );
+ array_push ( $tr_attributes , $attributes );
+
+ $line = '';
+ $last_tag = array_pop ( $last_tag_history );
+ array_pop ( $has_opened_tr );
+ array_push ( $has_opened_tr , true );
+
+ if ( array_pop ( $tr_history ) ) {
+ $line = '</tr>';
+ }
+
+ if ( array_pop ( $td_history ) ) {
+ $line = "</{$last_tag}>{$line}";
+ }
+
+ $lines[$key] = $line;
+ array_push ( $tr_history , false );
+ array_push ( $td_history , false );
+ array_push ( $last_tag_history , '' );
+ }
+ else if ( $first_character == '|' || $first_character == '!' || substr ( $line , 0 , 2 ) == '|+' ) {
+ // This might be cell elements, td, th or captions
+ if ( substr ( $line , 0 , 2 ) == '|+' ) {
+ $first_character = '+';
+ $line = substr ( $line , 1 );
+ }
+
+ $line = substr ( $line , 1 );
+
+ if ( $first_character == '!' ) {
+ $line = str_replace ( '!!' , '||' , $line );
+ }
+
+ // Split up multiple cells on the same line.
+ // FIXME : This can result in improper nesting of tags processed
+ // by earlier parser steps, but should avoid splitting up eg
+ // attribute values containing literal "||".
+ $cells = StringUtils::explodeMarkup( '||' , $line );
+
+ $lines[$key] = '';
+
+ // Loop through each table cell
+ foreach ( $cells as $cell )
+ {
+ $previous = '';
+ if ( $first_character != '+' )
+ {
+ $tr_after = array_pop ( $tr_attributes );
+ if ( !array_pop ( $tr_history ) ) {
+ $previous = "<tr{$tr_after}>\n";
+ }
+ array_push ( $tr_history , true );
+ array_push ( $tr_attributes , '' );
+ array_pop ( $has_opened_tr );
+ array_push ( $has_opened_tr , true );
+ }
+
+ $last_tag = array_pop ( $last_tag_history );
+
+ if ( array_pop ( $td_history ) ) {
+ $previous = "</{$last_tag}>{$previous}";
+ }
+
+ if ( $first_character == '|' ) {
+ $last_tag = 'td';
+ } else if ( $first_character == '!' ) {
+ $last_tag = 'th';
+ } else if ( $first_character == '+' ) {
+ $last_tag = 'caption';
+ } else {
+ $last_tag = '';
+ }
+
+ array_push ( $last_tag_history , $last_tag );
+
+ // A cell could contain both parameters and data
+ $cell_data = explode ( '|' , $cell , 2 );
+
+ // Bug 553: Note that a '|' inside an invalid link should not
+ // be mistaken as delimiting cell parameters
+ if ( strpos( $cell_data[0], '[[' ) !== false ) {
+ $cell = "{$previous}<{$last_tag}>{$cell}";
+ } else if ( count ( $cell_data ) == 1 )
+ $cell = "{$previous}<{$last_tag}>{$cell_data[0]}";
+ else {
+ $attributes = $this->mStripState->unstripBoth( $cell_data[0] );
+ $attributes = Sanitizer::fixTagAttributes( $attributes , $last_tag );
+ $cell = "{$previous}<{$last_tag}{$attributes}>{$cell_data[1]}";
+ }
+
+ $lines[$key] .= $cell;
+ array_push ( $td_history , true );
+ }
+ }
+ }
+
+ // Closing open td, tr && table
+ while ( count ( $td_history ) > 0 )
+ {
+ if ( array_pop ( $td_history ) ) {
+ $lines[] = '</td>' ;
+ }
+ if ( array_pop ( $tr_history ) ) {
+ $lines[] = '</tr>' ;
+ }
+ if ( !array_pop ( $has_opened_tr ) ) {
+ $lines[] = "<tr><td></td></tr>" ;
+ }
+
+ $lines[] = '</table>' ;
+ }
+
+ $output = implode ( "\n" , $lines ) ;
+
+ // special case: don't return empty table
+ if( $output == "<table>\n<tr><td></td></tr>\n</table>" ) {
+ $output = '';
+ }
+
+ wfProfileOut( $fname );
+
+ return $output;
+ }
+
+ /**
+ * Helper function for parse() that transforms wiki markup into
+ * HTML. Only called for $mOutputType == OT_HTML.
+ *
+ * @private
+ */
+ function internalParse( $text ) {
+ $args = array();
+ $isMain = true;
+ $fname = 'Parser::internalParse';
+ wfProfileIn( $fname );
+
+ # Hook to suspend the parser in this state
+ if ( !wfRunHooks( 'ParserBeforeInternalParse', array( &$this, &$text, &$this->mStripState ) ) ) {
+ wfProfileOut( $fname );
+ return $text ;
+ }
+
+ # Remove <noinclude> tags and <includeonly> sections
+ $text = strtr( $text, array( '<onlyinclude>' => '' , '</onlyinclude>' => '' ) );
+ $text = strtr( $text, array( '<noinclude>' => '', '</noinclude>' => '') );
+ $text = StringUtils::delimiterReplace( '<includeonly>', '</includeonly>', '', $text );
+
+ $text = Sanitizer::removeHTMLtags( $text, array( &$this, 'attributeStripCallback' ), array(), array_keys( $this->mTransparentTagHooks ) );
+
+ $text = $this->replaceVariables( $text, $args );
+ wfRunHooks( 'InternalParseBeforeLinks', array( &$this, &$text, &$this->mStripState ) );
+
+ // Tables need to come after variable replacement for things to work
+ // properly; putting them before other transformations should keep
+ // exciting things like link expansions from showing up in surprising
+ // places.
+ $text = $this->doTableStuff( $text );
+
+ $text = preg_replace( '/(^|\n)-----*/', '\\1<hr />', $text );
+
+ $text = $this->stripToc( $text );
+ $this->stripNoGallery( $text );
+ $text = $this->doHeadings( $text );
+ if($this->mOptions->getUseDynamicDates()) {
+ $df =& DateFormatter::getInstance();
+ $text = $df->reformat( $this->mOptions->getDateFormat(), $text );
+ }
+ $text = $this->doAllQuotes( $text );
+ $text = $this->replaceInternalLinks( $text );
+ $text = $this->replaceExternalLinks( $text );
+
+ # replaceInternalLinks may sometimes leave behind
+ # absolute URLs, which have to be masked to hide them from replaceExternalLinks
+ $text = str_replace($this->mUniqPrefix."NOPARSE", "", $text);
+
+ $text = $this->doMagicLinks( $text );
+ $text = $this->formatHeadings( $text, $isMain );
+
+ wfProfileOut( $fname );
+ return $text;
+ }
+
+ /**
+ * Replace special strings like "ISBN xxx" and "RFC xxx" with
+ * magic external links.
+ *
+ * @private
+ */
+ function &doMagicLinks( &$text ) {
+ wfProfileIn( __METHOD__ );
+ $text = preg_replace_callback(
+ '!(?: # Start cases
+ <a.*?</a> | # Skip link text
+ <.*?> | # Skip stuff inside HTML elements
+ (?:RFC|PMID)\s+([0-9]+) | # RFC or PMID, capture number as m[1]
+ ISBN\s+(\b # ISBN, capture number as m[2]
+ (?: 97[89] [\ \-]? )? # optional 13-digit ISBN prefix
+ (?: [0-9] [\ \-]? ){9} # 9 digits with opt. delimiters
+ [0-9Xx] # check digit
+ \b)
+ )!x', array( &$this, 'magicLinkCallback' ), $text );
+ wfProfileOut( __METHOD__ );
+ return $text;
+ }
+
+ function magicLinkCallback( $m ) {
+ if ( substr( $m[0], 0, 1 ) == '<' ) {
+ # Skip HTML element
+ return $m[0];
+ } elseif ( substr( $m[0], 0, 4 ) == 'ISBN' ) {
+ $isbn = $m[2];
+ $num = strtr( $isbn, array(
+ '-' => '',
+ ' ' => '',
+ 'x' => 'X',
+ ));
+ $titleObj = SpecialPage::getTitleFor( 'Booksources' );
+ $text = '<a href="' .
+ $titleObj->escapeLocalUrl( "isbn=$num" ) .
+ "\" class=\"internal\">ISBN $isbn</a>";
+ } else {
+ if ( substr( $m[0], 0, 3 ) == 'RFC' ) {
+ $keyword = 'RFC';
+ $urlmsg = 'rfcurl';
+ $id = $m[1];
+ } elseif ( substr( $m[0], 0, 4 ) == 'PMID' ) {
+ $keyword = 'PMID';
+ $urlmsg = 'pubmedurl';
+ $id = $m[1];
+ } else {
+ throw new MWException( __METHOD__.': unrecognised match type "' .
+ substr($m[0], 0, 20 ) . '"' );
+ }
+
+ $url = wfMsg( $urlmsg, $id);
+ $sk = $this->mOptions->getSkin();
+ $la = $sk->getExternalLinkAttributes( $url, $keyword.$id );
+ $text = "<a href=\"{$url}\"{$la}>{$keyword} {$id}</a>";
+ }
+ return $text;
+ }
+
+ /**
+ * Parse headers and return html
+ *
+ * @private
+ */
+ function doHeadings( $text ) {
+ $fname = 'Parser::doHeadings';
+ wfProfileIn( $fname );
+ for ( $i = 6; $i >= 1; --$i ) {
+ $h = str_repeat( '=', $i );
+ $text = preg_replace( "/^{$h}(.+){$h}\\s*$/m",
+ "<h{$i}>\\1</h{$i}>\\2", $text );
+ }
+ wfProfileOut( $fname );
+ return $text;
+ }
+
+ /**
+ * Replace single quotes with HTML markup
+ * @private
+ * @return string the altered text
+ */
+ function doAllQuotes( $text ) {
+ $fname = 'Parser::doAllQuotes';
+ wfProfileIn( $fname );
+ $outtext = '';
+ $lines = explode( "\n", $text );
+ foreach ( $lines as $line ) {
+ $outtext .= $this->doQuotes ( $line ) . "\n";
+ }
+ $outtext = substr($outtext, 0,-1);
+ wfProfileOut( $fname );
+ return $outtext;
+ }
+
+ /**
+ * Helper function for doAllQuotes()
+ */
+ public function doQuotes( $text ) {
+ $arr = preg_split( "/(''+)/", $text, -1, PREG_SPLIT_DELIM_CAPTURE );
+ if ( count( $arr ) == 1 )
+ return $text;
+ else
+ {
+ # First, do some preliminary work. This may shift some apostrophes from
+ # being mark-up to being text. It also counts the number of occurrences
+ # of bold and italics mark-ups.
+ $i = 0;
+ $numbold = 0;
+ $numitalics = 0;
+ foreach ( $arr as $r )
+ {
+ if ( ( $i % 2 ) == 1 )
+ {
+ # If there are ever four apostrophes, assume the first is supposed to
+ # be text, and the remaining three constitute mark-up for bold text.
+ if ( strlen( $arr[$i] ) == 4 )
+ {
+ $arr[$i-1] .= "'";
+ $arr[$i] = "'''";
+ }
+ # If there are more than 5 apostrophes in a row, assume they're all
+ # text except for the last 5.
+ else if ( strlen( $arr[$i] ) > 5 )
+ {
+ $arr[$i-1] .= str_repeat( "'", strlen( $arr[$i] ) - 5 );
+ $arr[$i] = "'''''";
+ }
+ # Count the number of occurrences of bold and italics mark-ups.
+ # We are not counting sequences of five apostrophes.
+ if ( strlen( $arr[$i] ) == 2 ) { $numitalics++; }
+ else if ( strlen( $arr[$i] ) == 3 ) { $numbold++; }
+ else if ( strlen( $arr[$i] ) == 5 ) { $numitalics++; $numbold++; }
+ }
+ $i++;
+ }
+
+ # If there is an odd number of both bold and italics, it is likely
+ # that one of the bold ones was meant to be an apostrophe followed
+ # by italics. Which one we cannot know for certain, but it is more
+ # likely to be one that has a single-letter word before it.
+ if ( ( $numbold % 2 == 1 ) && ( $numitalics % 2 == 1 ) )
+ {
+ $i = 0;
+ $firstsingleletterword = -1;
+ $firstmultiletterword = -1;
+ $firstspace = -1;
+ foreach ( $arr as $r )
+ {
+ if ( ( $i % 2 == 1 ) and ( strlen( $r ) == 3 ) )
+ {
+ $x1 = substr ($arr[$i-1], -1);
+ $x2 = substr ($arr[$i-1], -2, 1);
+ if ($x1 == ' ') {
+ if ($firstspace == -1) $firstspace = $i;
+ } else if ($x2 == ' ') {
+ if ($firstsingleletterword == -1) $firstsingleletterword = $i;
+ } else {
+ if ($firstmultiletterword == -1) $firstmultiletterword = $i;
+ }
+ }
+ $i++;
+ }
+
+ # If there is a single-letter word, use it!
+ if ($firstsingleletterword > -1)
+ {
+ $arr [ $firstsingleletterword ] = "''";
+ $arr [ $firstsingleletterword-1 ] .= "'";
+ }
+ # If not, but there's a multi-letter word, use that one.
+ else if ($firstmultiletterword > -1)
+ {
+ $arr [ $firstmultiletterword ] = "''";
+ $arr [ $firstmultiletterword-1 ] .= "'";
+ }
+ # ... otherwise use the first one that has neither.
+ # (notice that it is possible for all three to be -1 if, for example,
+ # there is only one pentuple-apostrophe in the line)
+ else if ($firstspace > -1)
+ {
+ $arr [ $firstspace ] = "''";
+ $arr [ $firstspace-1 ] .= "'";
+ }
+ }
+
+ # Now let's actually convert our apostrophic mush to HTML!
+ $output = '';
+ $buffer = '';
+ $state = '';
+ $i = 0;
+ foreach ($arr as $r)
+ {
+ if (($i % 2) == 0)
+ {
+ if ($state == 'both')
+ $buffer .= $r;
+ else
+ $output .= $r;
+ }
+ else
+ {
+ if (strlen ($r) == 2)
+ {
+ if ($state == 'i')
+ { $output .= '</i>'; $state = ''; }
+ else if ($state == 'bi')
+ { $output .= '</i>'; $state = 'b'; }
+ else if ($state == 'ib')
+ { $output .= '</b></i><b>'; $state = 'b'; }
+ else if ($state == 'both')
+ { $output .= '<b><i>'.$buffer.'</i>'; $state = 'b'; }
+ else # $state can be 'b' or ''
+ { $output .= '<i>'; $state .= 'i'; }
+ }
+ else if (strlen ($r) == 3)
+ {
+ if ($state == 'b')
+ { $output .= '</b>'; $state = ''; }
+ else if ($state == 'bi')
+ { $output .= '</i></b><i>'; $state = 'i'; }
+ else if ($state == 'ib')
+ { $output .= '</b>'; $state = 'i'; }
+ else if ($state == 'both')
+ { $output .= '<i><b>'.$buffer.'</b>'; $state = 'i'; }
+ else # $state can be 'i' or ''
+ { $output .= '<b>'; $state .= 'b'; }
+ }
+ else if (strlen ($r) == 5)
+ {
+ if ($state == 'b')
+ { $output .= '</b><i>'; $state = 'i'; }
+ else if ($state == 'i')
+ { $output .= '</i><b>'; $state = 'b'; }
+ else if ($state == 'bi')
+ { $output .= '</i></b>'; $state = ''; }
+ else if ($state == 'ib')
+ { $output .= '</b></i>'; $state = ''; }
+ else if ($state == 'both')
+ { $output .= '<i><b>'.$buffer.'</b></i>'; $state = ''; }
+ else # ($state == '')
+ { $buffer = ''; $state = 'both'; }
+ }
+ }
+ $i++;
+ }
+ # Now close all remaining tags. Notice that the order is important.
+ if ($state == 'b' || $state == 'ib')
+ $output .= '</b>';
+ if ($state == 'i' || $state == 'bi' || $state == 'ib')
+ $output .= '</i>';
+ if ($state == 'bi')
+ $output .= '</b>';
+ # There might be lonely ''''', so make sure we have a buffer
+ if ($state == 'both' && $buffer)
+ $output .= '<b><i>'.$buffer.'</i></b>';
+ return $output;
+ }
+ }
+
+ /**
+ * Replace external links
+ *
+ * Note: this is all very hackish and the order of execution matters a lot.
+ * Make sure to run maintenance/parserTests.php if you change this code.
+ *
+ * @private
+ */
+ function replaceExternalLinks( $text ) {
+ global $wgContLang;
+ $fname = 'Parser::replaceExternalLinks';
+ wfProfileIn( $fname );
+
+ $sk = $this->mOptions->getSkin();
+
+ $bits = preg_split( $this->mExtLinkBracketedRegex, $text, -1, PREG_SPLIT_DELIM_CAPTURE );
+
+ $s = $this->replaceFreeExternalLinks( array_shift( $bits ) );
+
+ $i = 0;
+ while ( $i<count( $bits ) ) {
+ $url = $bits[$i++];
+ $protocol = $bits[$i++];
+ $text = $bits[$i++];
+ $trail = $bits[$i++];
+
+ # The characters '<' and '>' (which were escaped by
+ # removeHTMLtags()) should not be included in
+ # URLs, per RFC 2396.
+ $m2 = array();
+ if (preg_match('/&(lt|gt);/', $url, $m2, PREG_OFFSET_CAPTURE)) {
+ $text = substr($url, $m2[0][1]) . ' ' . $text;
+ $url = substr($url, 0, $m2[0][1]);
+ }
+
+ # If the link text is an image URL, replace it with an <img> tag
+ # This happened by accident in the original parser, but some people used it extensively
+ $img = $this->maybeMakeExternalImage( $text );
+ if ( $img !== false ) {
+ $text = $img;
+ }
+
+ $dtrail = '';
+
+ # Set linktype for CSS - if URL==text, link is essentially free
+ $linktype = ($text == $url) ? 'free' : 'text';
+
+ # No link text, e.g. [http://domain.tld/some.link]
+ if ( $text == '' ) {
+ # Autonumber if allowed. See bug #5918
+ if ( strpos( wfUrlProtocols(), substr($protocol, 0, strpos($protocol, ':')) ) !== false ) {
+ $text = '[' . ++$this->mAutonumber . ']';
+ $linktype = 'autonumber';
+ } else {
+ # Otherwise just use the URL
+ $text = htmlspecialchars( $url );
+ $linktype = 'free';
+ }
+ } else {
+ # Have link text, e.g. [http://domain.tld/some.link text]s
+ # Check for trail
+ list( $dtrail, $trail ) = Linker::splitTrail( $trail );
+ }
+
+ $text = $wgContLang->markNoConversion($text);
+
+ $url = Sanitizer::cleanUrl( $url );
+
+ # Process the trail (i.e. everything after this link up until start of the next link),
+ # replacing any non-bracketed links
+ $trail = $this->replaceFreeExternalLinks( $trail );
+
+ # Use the encoded URL
+ # This means that users can paste URLs directly into the text
+ # Funny characters like ö aren't valid in URLs anyway
+ # This was changed in August 2004
+ $s .= $sk->makeExternalLink( $url, $text, false, $linktype, $this->mTitle->getNamespace() ) . $dtrail . $trail;
+
+ # Register link in the output object.
+ # Replace unnecessary URL escape codes with the referenced character
+ # This prevents spammers from hiding links from the filters
+ $pasteurized = self::replaceUnusualEscapes( $url );
+ $this->mOutput->addExternalLink( $pasteurized );
+ }
+
+ wfProfileOut( $fname );
+ return $s;
+ }
+
+ /**
+ * Replace anything that looks like a URL with a link
+ * @private
+ */
+ function replaceFreeExternalLinks( $text ) {
+ global $wgContLang;
+ $fname = 'Parser::replaceFreeExternalLinks';
+ wfProfileIn( $fname );
+
+ $bits = preg_split( '/(\b(?:' . wfUrlProtocols() . '))/S', $text, -1, PREG_SPLIT_DELIM_CAPTURE );
+ $s = array_shift( $bits );
+ $i = 0;
+
+ $sk = $this->mOptions->getSkin();
+
+ while ( $i < count( $bits ) ){
+ $protocol = $bits[$i++];
+ $remainder = $bits[$i++];
+
+ $m = array();
+ if ( preg_match( '/^('.self::EXT_LINK_URL_CLASS.'+)(.*)$/s', $remainder, $m ) ) {
+ # Found some characters after the protocol that look promising
+ $url = $protocol . $m[1];
+ $trail = $m[2];
+
+ # special case: handle urls as url args:
+ # http://www.example.com/foo?=http://www.example.com/bar
+ if(strlen($trail) == 0 &&
+ isset($bits[$i]) &&
+ preg_match('/^'. wfUrlProtocols() . '$/S', $bits[$i]) &&
+ preg_match( '/^('.self::EXT_LINK_URL_CLASS.'+)(.*)$/s', $bits[$i + 1], $m ))
+ {
+ # add protocol, arg
+ $url .= $bits[$i] . $m[1]; # protocol, url as arg to previous link
+ $i += 2;
+ $trail = $m[2];
+ }
+
+ # The characters '<' and '>' (which were escaped by
+ # removeHTMLtags()) should not be included in
+ # URLs, per RFC 2396.
+ $m2 = array();
+ if (preg_match('/&(lt|gt);/', $url, $m2, PREG_OFFSET_CAPTURE)) {
+ $trail = substr($url, $m2[0][1]) . $trail;
+ $url = substr($url, 0, $m2[0][1]);
+ }
+
+ # Move trailing punctuation to $trail
+ $sep = ',;\.:!?';
+ # If there is no left bracket, then consider right brackets fair game too
+ if ( strpos( $url, '(' ) === false ) {
+ $sep .= ')';
+ }
+
+ $numSepChars = strspn( strrev( $url ), $sep );
+ if ( $numSepChars ) {
+ $trail = substr( $url, -$numSepChars ) . $trail;
+ $url = substr( $url, 0, -$numSepChars );
+ }
+
+ $url = Sanitizer::cleanUrl( $url );
+
+ # Is this an external image?
+ $text = $this->maybeMakeExternalImage( $url );
+ if ( $text === false ) {
+ # Not an image, make a link
+ $text = $sk->makeExternalLink( $url, $wgContLang->markNoConversion($url), true, 'free', $this->mTitle->getNamespace() );
+ # Register it in the output object...
+ # Replace unnecessary URL escape codes with their equivalent characters
+ $pasteurized = self::replaceUnusualEscapes( $url );
+ $this->mOutput->addExternalLink( $pasteurized );
+ }
+ $s .= $text . $trail;
+ } else {
+ $s .= $protocol . $remainder;
+ }
+ }
+ wfProfileOut( $fname );
+ return $s;
+ }
+
+ /**
+ * Replace unusual URL escape codes with their equivalent characters
+ * @param string
+ * @return string
+ * @static
+ * @todo This can merge genuinely required bits in the path or query string,
+ * breaking legit URLs. A proper fix would treat the various parts of
+ * the URL differently; as a workaround, just use the output for
+ * statistical records, not for actual linking/output.
+ */
+ static function replaceUnusualEscapes( $url ) {
+ return preg_replace_callback( '/%[0-9A-Fa-f]{2}/',
+ array( __CLASS__, 'replaceUnusualEscapesCallback' ), $url );
+ }
+
+ /**
+ * Callback function used in replaceUnusualEscapes().
+ * Replaces unusual URL escape codes with their equivalent character
+ * @static
+ * @private
+ */
+ private static function replaceUnusualEscapesCallback( $matches ) {
+ $char = urldecode( $matches[0] );
+ $ord = ord( $char );
+ // Is it an unsafe or HTTP reserved character according to RFC 1738?
+ if ( $ord > 32 && $ord < 127 && strpos( '<>"#{}|\^~[]`;/?', $char ) === false ) {
+ // No, shouldn't be escaped
+ return $char;
+ } else {
+ // Yes, leave it escaped
+ return $matches[0];
+ }
+ }
+
+ /**
+ * make an image if it's allowed, either through the global
+ * option or through the exception
+ * @private
+ */
+ function maybeMakeExternalImage( $url ) {
+ $sk = $this->mOptions->getSkin();
+ $imagesfrom = $this->mOptions->getAllowExternalImagesFrom();
+ $imagesexception = !empty($imagesfrom);
+ $text = false;
+ if ( $this->mOptions->getAllowExternalImages()
+ || ( $imagesexception && strpos( $url, $imagesfrom ) === 0 ) ) {
+ if ( preg_match( self::EXT_IMAGE_REGEX, $url ) ) {
+ # Image found
+ $text = $sk->makeExternalImage( htmlspecialchars( $url ) );
+ }
+ }
+ return $text;
+ }
+
+ /**
+ * Process [[ ]] wikilinks
+ *
+ * @private
+ */
+ function replaceInternalLinks( $s ) {
+ global $wgContLang;
+ static $fname = 'Parser::replaceInternalLinks' ;
+
+ wfProfileIn( $fname );
+
+ wfProfileIn( $fname.'-setup' );
+ static $tc = FALSE;
+ # the % is needed to support urlencoded titles as well
+ if ( !$tc ) { $tc = Title::legalChars() . '#%'; }
+
+ $sk = $this->mOptions->getSkin();
+
+ #split the entire text string on occurences of [[
+ $a = explode( '[[', ' ' . $s );
+ #get the first element (all text up to first [[), and remove the space we added
+ $s = array_shift( $a );
+ $s = substr( $s, 1 );
+
+ # Match a link having the form [[namespace:link|alternate]]trail
+ static $e1 = FALSE;
+ if ( !$e1 ) { $e1 = "/^([{$tc}]+)(?:\\|(.+?))?]](.*)\$/sD"; }
+ # Match cases where there is no "]]", which might still be images
+ static $e1_img = FALSE;
+ if ( !$e1_img ) { $e1_img = "/^([{$tc}]+)\\|(.*)\$/sD"; }
+ # Match the end of a line for a word that's not followed by whitespace,
+ # e.g. in the case of 'The Arab al[[Razi]]', 'al' will be matched
+ $e2 = wfMsgForContent( 'linkprefix' );
+
+ $useLinkPrefixExtension = $wgContLang->linkPrefixExtension();
+ if( is_null( $this->mTitle ) ) {
+ throw new MWException( __METHOD__.": \$this->mTitle is null\n" );
+ }
+ $nottalk = !$this->mTitle->isTalkPage();
+
+ if ( $useLinkPrefixExtension ) {
+ $m = array();
+ if ( preg_match( $e2, $s, $m ) ) {
+ $first_prefix = $m[2];
+ } else {
+ $first_prefix = false;
+ }
+ } else {
+ $prefix = '';
+ }
+
+ if($wgContLang->hasVariants()) {
+ $selflink = $wgContLang->convertLinkToAllVariants($this->mTitle->getPrefixedText());
+ } else {
+ $selflink = array($this->mTitle->getPrefixedText());
+ }
+ $useSubpages = $this->areSubpagesAllowed();
+ wfProfileOut( $fname.'-setup' );
+
+ # Loop for each link
+ for ($k = 0; isset( $a[$k] ); $k++) {
+ $line = $a[$k];
+ if ( $useLinkPrefixExtension ) {
+ wfProfileIn( $fname.'-prefixhandling' );
+ if ( preg_match( $e2, $s, $m ) ) {
+ $prefix = $m[2];
+ $s = $m[1];
+ } else {
+ $prefix='';
+ }
+ # first link
+ if($first_prefix) {
+ $prefix = $first_prefix;
+ $first_prefix = false;
+ }
+ wfProfileOut( $fname.'-prefixhandling' );
+ }
+
+ $might_be_img = false;
+
+ wfProfileIn( "$fname-e1" );
+ if ( preg_match( $e1, $line, $m ) ) { # page with normal text or alt
+ $text = $m[2];
+ # If we get a ] at the beginning of $m[3] that means we have a link that's something like:
+ # [[Image:Foo.jpg|[http://example.com desc]]] <- having three ] in a row fucks up,
+ # the real problem is with the $e1 regex
+ # See bug 1300.
+ #
+ # Still some problems for cases where the ] is meant to be outside punctuation,
+ # and no image is in sight. See bug 2095.
+ #
+ if( $text !== '' &&
+ substr( $m[3], 0, 1 ) === ']' &&
+ strpos($text, '[') !== false
+ )
+ {
+ $text .= ']'; # so that replaceExternalLinks($text) works later
+ $m[3] = substr( $m[3], 1 );
+ }
+ # fix up urlencoded title texts
+ if( strpos( $m[1], '%' ) !== false ) {
+ # Should anchors '#' also be rejected?
+ $m[1] = str_replace( array('<', '>'), array('<', '>'), urldecode($m[1]) );
+ }
+ $trail = $m[3];
+ } elseif( preg_match($e1_img, $line, $m) ) { # Invalid, but might be an image with a link in its caption
+ $might_be_img = true;
+ $text = $m[2];
+ if ( strpos( $m[1], '%' ) !== false ) {
+ $m[1] = urldecode($m[1]);
+ }
+ $trail = "";
+ } else { # Invalid form; output directly
+ $s .= $prefix . '[[' . $line ;
+ wfProfileOut( "$fname-e1" );
+ continue;
+ }
+ wfProfileOut( "$fname-e1" );
+ wfProfileIn( "$fname-misc" );
+
+ # Don't allow internal links to pages containing
+ # PROTO: where PROTO is a valid URL protocol; these
+ # should be external links.
+ if (preg_match('/^\b(?:' . wfUrlProtocols() . ')/', $m[1])) {
+ $s .= $prefix . '[[' . $line ;
+ continue;
+ }
+
+ # Make subpage if necessary
+ if( $useSubpages ) {
+ $link = $this->maybeDoSubpageLink( $m[1], $text );
+ } else {
+ $link = $m[1];
+ }
+
+ $noforce = (substr($m[1], 0, 1) != ':');
+ if (!$noforce) {
+ # Strip off leading ':'
+ $link = substr($link, 1);
+ }
+
+ wfProfileOut( "$fname-misc" );
+ wfProfileIn( "$fname-title" );
+ $nt = Title::newFromText( $this->mStripState->unstripNoWiki($link) );
+ if( !$nt ) {
+ $s .= $prefix . '[[' . $line;
+ wfProfileOut( "$fname-title" );
+ continue;
+ }
+
+ $ns = $nt->getNamespace();
+ $iw = $nt->getInterWiki();
+ wfProfileOut( "$fname-title" );
+
+ if ($might_be_img) { # if this is actually an invalid link
+ wfProfileIn( "$fname-might_be_img" );
+ if ($ns == NS_IMAGE && $noforce) { #but might be an image
+ $found = false;
+ while (isset ($a[$k+1]) ) {
+ #look at the next 'line' to see if we can close it there
+ $spliced = array_splice( $a, $k + 1, 1 );
+ $next_line = array_shift( $spliced );
+ $m = explode( ']]', $next_line, 3 );
+ if ( count( $m ) == 3 ) {
+ # the first ]] closes the inner link, the second the image
+ $found = true;
+ $text .= "[[{$m[0]}]]{$m[1]}";
+ $trail = $m[2];
+ break;
+ } elseif ( count( $m ) == 2 ) {
+ #if there's exactly one ]] that's fine, we'll keep looking
+ $text .= "[[{$m[0]}]]{$m[1]}";
+ } else {
+ #if $next_line is invalid too, we need look no further
+ $text .= '[[' . $next_line;
+ break;
+ }
+ }
+ if ( !$found ) {
+ # we couldn't find the end of this imageLink, so output it raw
+ #but don't ignore what might be perfectly normal links in the text we've examined
+ $text = $this->replaceInternalLinks($text);
+ $s .= "{$prefix}[[$link|$text";
+ # note: no $trail, because without an end, there *is* no trail
+ wfProfileOut( "$fname-might_be_img" );
+ continue;
+ }
+ } else { #it's not an image, so output it raw
+ $s .= "{$prefix}[[$link|$text";
+ # note: no $trail, because without an end, there *is* no trail
+ wfProfileOut( "$fname-might_be_img" );
+ continue;
+ }
+ wfProfileOut( "$fname-might_be_img" );
+ }
+
+ $wasblank = ( '' == $text );
+ if( $wasblank ) $text = $link;
+
+ # Link not escaped by : , create the various objects
+ if( $noforce ) {
+
+ # Interwikis
+ wfProfileIn( "$fname-interwiki" );
+ if( $iw && $this->mOptions->getInterwikiMagic() && $nottalk && $wgContLang->getLanguageName( $iw ) ) {
+ $this->mOutput->addLanguageLink( $nt->getFullText() );
+ $s = rtrim($s . $prefix);
+ $s .= trim($trail, "\n") == '' ? '': $prefix . $trail;
+ wfProfileOut( "$fname-interwiki" );
+ continue;
+ }
+ wfProfileOut( "$fname-interwiki" );
+
+ if ( $ns == NS_IMAGE ) {
+ wfProfileIn( "$fname-image" );
+ if ( !wfIsBadImage( $nt->getDBkey(), $this->mTitle ) ) {
+ # recursively parse links inside the image caption
+ # actually, this will parse them in any other parameters, too,
+ # but it might be hard to fix that, and it doesn't matter ATM
+ $text = $this->replaceExternalLinks($text);
+ $text = $this->replaceInternalLinks($text);
+
+ # cloak any absolute URLs inside the image markup, so replaceExternalLinks() won't touch them
+ $s .= $prefix . $this->armorLinks( $this->makeImage( $nt, $text ) ) . $trail;
+ $this->mOutput->addImage( $nt->getDBkey() );
+
+ wfProfileOut( "$fname-image" );
+ continue;
+ } else {
+ # We still need to record the image's presence on the page
+ $this->mOutput->addImage( $nt->getDBkey() );
+ }
+ wfProfileOut( "$fname-image" );
+
+ }
+
+ if ( $ns == NS_CATEGORY ) {
+ wfProfileIn( "$fname-category" );
+ $s = rtrim($s . "\n"); # bug 87
+
+ if ( $wasblank ) {
+ $sortkey = $this->getDefaultSort();
+ } else {
+ $sortkey = $text;
+ }
+ $sortkey = Sanitizer::decodeCharReferences( $sortkey );
+ $sortkey = str_replace( "\n", '', $sortkey );
+ $sortkey = $wgContLang->convertCategoryKey( $sortkey );
+ $this->mOutput->addCategory( $nt->getDBkey(), $sortkey );
+
+ /**
+ * Strip the whitespace Category links produce, see bug 87
+ * @todo We might want to use trim($tmp, "\n") here.
+ */
+ $s .= trim($prefix . $trail, "\n") == '' ? '': $prefix . $trail;
+
+ wfProfileOut( "$fname-category" );
+ continue;
+ }
+ }
+
+ # Self-link checking
+ if( $nt->getFragment() === '' ) {
+ if( in_array( $nt->getPrefixedText(), $selflink, true ) ) {
+ $s .= $prefix . $sk->makeSelfLinkObj( $nt, $text, '', $trail );
+ continue;
+ }
+ }
+
+ # Special and Media are pseudo-namespaces; no pages actually exist in them
+ if( $ns == NS_MEDIA ) {
+ $link = $sk->makeMediaLinkObj( $nt, $text );
+ # Cloak with NOPARSE to avoid replacement in replaceExternalLinks
+ $s .= $prefix . $this->armorLinks( $link ) . $trail;
+ $this->mOutput->addImage( $nt->getDBkey() );
+ continue;
+ } elseif( $ns == NS_SPECIAL ) {
+ if( SpecialPage::exists( $nt->getDBkey() ) ) {
+ $s .= $this->makeKnownLinkHolder( $nt, $text, '', $trail, $prefix );
+ } else {
+ $s .= $this->makeLinkHolder( $nt, $text, '', $trail, $prefix );
+ }
+ continue;
+ } elseif( $ns == NS_IMAGE ) {
+ $img = wfFindFile( $nt );
+ if( $img ) {
+ // Force a blue link if the file exists; may be a remote
+ // upload on the shared repository, and we want to see its
+ // auto-generated page.
+ $s .= $this->makeKnownLinkHolder( $nt, $text, '', $trail, $prefix );
+ $this->mOutput->addLink( $nt );
+ continue;
+ }
+ }
+ $s .= $this->makeLinkHolder( $nt, $text, '', $trail, $prefix );
+ }
+ wfProfileOut( $fname );
+ return $s;
+ }
+
+ /**
+ * Make a link placeholder. The text returned can be later resolved to a real link with
+ * replaceLinkHolders(). This is done for two reasons: firstly to avoid further
+ * parsing of interwiki links, and secondly to allow all existence checks and
+ * article length checks (for stub links) to be bundled into a single query.
+ *
+ */
+ function makeLinkHolder( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+ wfProfileIn( __METHOD__ );
+ if ( ! is_object($nt) ) {
+ # Fail gracefully
+ $retVal = "<!-- ERROR -->{$prefix}{$text}{$trail}";
+ } else {
+ # Separate the link trail from the rest of the link
+ list( $inside, $trail ) = Linker::splitTrail( $trail );
+
+ if ( $nt->isExternal() ) {
+ $nr = array_push( $this->mInterwikiLinkHolders['texts'], $prefix.$text.$inside );
+ $this->mInterwikiLinkHolders['titles'][] = $nt;
+ $retVal = '<!--IWLINK '. ($nr-1) ."-->{$trail}";
+ } else {
+ $nr = array_push( $this->mLinkHolders['namespaces'], $nt->getNamespace() );
+ $this->mLinkHolders['dbkeys'][] = $nt->getDBkey();
+ $this->mLinkHolders['queries'][] = $query;
+ $this->mLinkHolders['texts'][] = $prefix.$text.$inside;
+ $this->mLinkHolders['titles'][] = $nt;
+
+ $retVal = '<!--LINK '. ($nr-1) ."-->{$trail}";
+ }
+ }
+ wfProfileOut( __METHOD__ );
+ return $retVal;
+ }
+
+ /**
+ * Render a forced-blue link inline; protect against double expansion of
+ * URLs if we're in a mode that prepends full URL prefixes to internal links.
+ * Since this little disaster has to split off the trail text to avoid
+ * breaking URLs in the following text without breaking trails on the
+ * wiki links, it's been made into a horrible function.
+ *
+ * @param Title $nt
+ * @param string $text
+ * @param string $query
+ * @param string $trail
+ * @param string $prefix
+ * @return string HTML-wikitext mix oh yuck
+ */
+ function makeKnownLinkHolder( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+ list( $inside, $trail ) = Linker::splitTrail( $trail );
+ $sk = $this->mOptions->getSkin();
+ $link = $sk->makeKnownLinkObj( $nt, $text, $query, $inside, $prefix );
+ return $this->armorLinks( $link ) . $trail;
+ }
+
+ /**
+ * Insert a NOPARSE hacky thing into any inline links in a chunk that's
+ * going to go through further parsing steps before inline URL expansion.
+ *
+ * In particular this is important when using action=render, which causes
+ * full URLs to be included.
+ *
+ * Oh man I hate our multi-layer parser!
+ *
+ * @param string more-or-less HTML
+ * @return string less-or-more HTML with NOPARSE bits
+ */
+ function armorLinks( $text ) {
+ return preg_replace( '/\b(' . wfUrlProtocols() . ')/',
+ "{$this->mUniqPrefix}NOPARSE$1", $text );
+ }
+
+ /**
+ * Return true if subpage links should be expanded on this page.
+ * @return bool
+ */
+ function areSubpagesAllowed() {
+ # Some namespaces don't allow subpages
+ global $wgNamespacesWithSubpages;
+ return !empty($wgNamespacesWithSubpages[$this->mTitle->getNamespace()]);
+ }
+
+ /**
+ * Handle link to subpage if necessary
+ * @param string $target the source of the link
+ * @param string &$text the link text, modified as necessary
+ * @return string the full name of the link
+ * @private
+ */
+ function maybeDoSubpageLink($target, &$text) {
+ # Valid link forms:
+ # Foobar -- normal
+ # :Foobar -- override special treatment of prefix (images, language links)
+ # /Foobar -- convert to CurrentPage/Foobar
+ # /Foobar/ -- convert to CurrentPage/Foobar, strip the initial / from text
+ # ../ -- convert to CurrentPage, from CurrentPage/CurrentSubPage
+ # ../Foobar -- convert to CurrentPage/Foobar, from CurrentPage/CurrentSubPage
+
+ $fname = 'Parser::maybeDoSubpageLink';
+ wfProfileIn( $fname );
+ $ret = $target; # default return value is no change
+
+ # Some namespaces don't allow subpages,
+ # so only perform processing if subpages are allowed
+ if( $this->areSubpagesAllowed() ) {
+ $hash = strpos( $target, '#' );
+ if( $hash !== false ) {
+ $suffix = substr( $target, $hash );
+ $target = substr( $target, 0, $hash );
+ } else {
+ $suffix = '';
+ }
+ # bug 7425
+ $target = trim( $target );
+ # Look at the first character
+ if( $target != '' && $target{0} == '/' ) {
+ # / at end means we don't want the slash to be shown
+ $m = array();
+ $trailingSlashes = preg_match_all( '%(/+)$%', $target, $m );
+ if( $trailingSlashes ) {
+ $noslash = $target = substr( $target, 1, -strlen($m[0][0]) );
+ } else {
+ $noslash = substr( $target, 1 );
+ }
+
+ $ret = $this->mTitle->getPrefixedText(). '/' . trim($noslash) . $suffix;
+ if( '' === $text ) {
+ $text = $target . $suffix;
+ } # this might be changed for ugliness reasons
+ } else {
+ # check for .. subpage backlinks
+ $dotdotcount = 0;
+ $nodotdot = $target;
+ while( strncmp( $nodotdot, "../", 3 ) == 0 ) {
+ ++$dotdotcount;
+ $nodotdot = substr( $nodotdot, 3 );
+ }
+ if($dotdotcount > 0) {
+ $exploded = explode( '/', $this->mTitle->GetPrefixedText() );
+ if( count( $exploded ) > $dotdotcount ) { # not allowed to go below top level page
+ $ret = implode( '/', array_slice( $exploded, 0, -$dotdotcount ) );
+ # / at the end means don't show full path
+ if( substr( $nodotdot, -1, 1 ) == '/' ) {
+ $nodotdot = substr( $nodotdot, 0, -1 );
+ if( '' === $text ) {
+ $text = $nodotdot . $suffix;
+ }
+ }
+ $nodotdot = trim( $nodotdot );
+ if( $nodotdot != '' ) {
+ $ret .= '/' . $nodotdot;
+ }
+ $ret .= $suffix;
+ }
+ }
+ }
+ }
+
+ wfProfileOut( $fname );
+ return $ret;
+ }
+
+ /**#@+
+ * Used by doBlockLevels()
+ * @private
+ */
+ /* private */ function closeParagraph() {
+ $result = '';
+ if ( '' != $this->mLastSection ) {
+ $result = '</' . $this->mLastSection . ">\n";
+ }
+ $this->mInPre = false;
+ $this->mLastSection = '';
+ return $result;
+ }
+ # getCommon() returns the length of the longest common substring
+ # of both arguments, starting at the beginning of both.
+ #
+ /* private */ function getCommon( $st1, $st2 ) {
+ $fl = strlen( $st1 );
+ $shorter = strlen( $st2 );
+ if ( $fl < $shorter ) { $shorter = $fl; }
+
+ for ( $i = 0; $i < $shorter; ++$i ) {
+ if ( $st1{$i} != $st2{$i} ) { break; }
+ }
+ return $i;
+ }
+ # These next three functions open, continue, and close the list
+ # element appropriate to the prefix character passed into them.
+ #
+ /* private */ function openList( $char ) {
+ $result = $this->closeParagraph();
+
+ if ( '*' == $char ) { $result .= '<ul><li>'; }
+ else if ( '#' == $char ) { $result .= '<ol><li>'; }
+ else if ( ':' == $char ) { $result .= '<dl><dd>'; }
+ else if ( ';' == $char ) {
+ $result .= '<dl><dt>';
+ $this->mDTopen = true;
+ }
+ else { $result = '<!-- ERR 1 -->'; }
+
+ return $result;
+ }
+
+ /* private */ function nextItem( $char ) {
+ if ( '*' == $char || '#' == $char ) { return '</li><li>'; }
+ else if ( ':' == $char || ';' == $char ) {
+ $close = '</dd>';
+ if ( $this->mDTopen ) { $close = '</dt>'; }
+ if ( ';' == $char ) {
+ $this->mDTopen = true;
+ return $close . '<dt>';
+ } else {
+ $this->mDTopen = false;
+ return $close . '<dd>';
+ }
+ }
+ return '<!-- ERR 2 -->';
+ }
+
+ /* private */ function closeList( $char ) {
+ if ( '*' == $char ) { $text = '</li></ul>'; }
+ else if ( '#' == $char ) { $text = '</li></ol>'; }
+ else if ( ':' == $char ) {
+ if ( $this->mDTopen ) {
+ $this->mDTopen = false;
+ $text = '</dt></dl>';
+ } else {
+ $text = '</dd></dl>';
+ }
+ }
+ else { return '<!-- ERR 3 -->'; }
+ return $text."\n";
+ }
+ /**#@-*/
+
+ /**
+ * Make lists from lines starting with ':', '*', '#', etc.
+ *
+ * @private
+ * @return string the lists rendered as HTML
+ */
+ function doBlockLevels( $text, $linestart ) {
+ $fname = 'Parser::doBlockLevels';
+ wfProfileIn( $fname );
+
+ # Parsing through the text line by line. The main thing
+ # happening here is handling of block-level elements p, pre,
+ # and making lists from lines starting with * # : etc.
+ #
+ $textLines = explode( "\n", $text );
+
+ $lastPrefix = $output = '';
+ $this->mDTopen = $inBlockElem = false;
+ $prefixLength = 0;
+ $paragraphStack = false;
+
+ if ( !$linestart ) {
+ $output .= array_shift( $textLines );
+ }
+ foreach ( $textLines as $oLine ) {
+ $lastPrefixLength = strlen( $lastPrefix );
+ $preCloseMatch = preg_match('/<\\/pre/i', $oLine );
+ $preOpenMatch = preg_match('/<pre/i', $oLine );
+ if ( !$this->mInPre ) {
+ # Multiple prefixes may abut each other for nested lists.
+ $prefixLength = strspn( $oLine, '*#:;' );
+ $pref = substr( $oLine, 0, $prefixLength );
+
+ # eh?
+ $pref2 = str_replace( ';', ':', $pref );
+ $t = substr( $oLine, $prefixLength );
+ $this->mInPre = !empty($preOpenMatch);
+ } else {
+ # Don't interpret any other prefixes in preformatted text
+ $prefixLength = 0;
+ $pref = $pref2 = '';
+ $t = $oLine;
+ }
+
+ # List generation
+ if( $prefixLength && 0 == strcmp( $lastPrefix, $pref2 ) ) {
+ # Same as the last item, so no need to deal with nesting or opening stuff
+ $output .= $this->nextItem( substr( $pref, -1 ) );
+ $paragraphStack = false;
+
+ if ( substr( $pref, -1 ) == ';') {
+ # The one nasty exception: definition lists work like this:
+ # ; title : definition text
+ # So we check for : in the remainder text to split up the
+ # title and definition, without b0rking links.
+ $term = $t2 = '';
+ if ($this->findColonNoLinks($t, $term, $t2) !== false) {
+ $t = $t2;
+ $output .= $term . $this->nextItem( ':' );
+ }
+ }
+ } elseif( $prefixLength || $lastPrefixLength ) {
+ # Either open or close a level...
+ $commonPrefixLength = $this->getCommon( $pref, $lastPrefix );
+ $paragraphStack = false;
+
+ while( $commonPrefixLength < $lastPrefixLength ) {
+ $output .= $this->closeList( $lastPrefix{$lastPrefixLength-1} );
+ --$lastPrefixLength;
+ }
+ if ( $prefixLength <= $commonPrefixLength && $commonPrefixLength > 0 ) {
+ $output .= $this->nextItem( $pref{$commonPrefixLength-1} );
+ }
+ while ( $prefixLength > $commonPrefixLength ) {
+ $char = substr( $pref, $commonPrefixLength, 1 );
+ $output .= $this->openList( $char );
+
+ if ( ';' == $char ) {
+ # FIXME: This is dupe of code above
+ if ($this->findColonNoLinks($t, $term, $t2) !== false) {
+ $t = $t2;
+ $output .= $term . $this->nextItem( ':' );
+ }
+ }
+ ++$commonPrefixLength;
+ }
+ $lastPrefix = $pref2;
+ }
+ if( 0 == $prefixLength ) {
+ wfProfileIn( "$fname-paragraph" );
+ # No prefix (not in list)--go to paragraph mode
+ // XXX: use a stack for nestable elements like span, table and div
+ $openmatch = preg_match('/(?:<table|<blockquote|<h1|<h2|<h3|<h4|<h5|<h6|<pre|<tr|<p|<ul|<ol|<li|<\\/tr|<\\/td|<\\/th)/iS', $t );
+ $closematch = preg_match(
+ '/(?:<\\/table|<\\/blockquote|<\\/h1|<\\/h2|<\\/h3|<\\/h4|<\\/h5|<\\/h6|'.
+ '<td|<th|<\\/?div|<hr|<\\/pre|<\\/p|'.$this->mUniqPrefix.'-pre|<\\/li|<\\/ul|<\\/ol|<\\/?center)/iS', $t );
+ if ( $openmatch or $closematch ) {
+ $paragraphStack = false;
+ #Â TODO bug 5718: paragraph closed
+ $output .= $this->closeParagraph();
+ if ( $preOpenMatch and !$preCloseMatch ) {
+ $this->mInPre = true;
+ }
+ if ( $closematch ) {
+ $inBlockElem = false;
+ } else {
+ $inBlockElem = true;
+ }
+ } else if ( !$inBlockElem && !$this->mInPre ) {
+ if ( ' ' == $t{0} and ( $this->mLastSection == 'pre' or trim($t) != '' ) ) {
+ // pre
+ if ($this->mLastSection != 'pre') {
+ $paragraphStack = false;
+ $output .= $this->closeParagraph().'<pre>';
+ $this->mLastSection = 'pre';
+ }
+ $t = substr( $t, 1 );
+ } else {
+ // paragraph
+ if ( '' == trim($t) ) {
+ if ( $paragraphStack ) {
+ $output .= $paragraphStack.'<br />';
+ $paragraphStack = false;
+ $this->mLastSection = 'p';
+ } else {
+ if ($this->mLastSection != 'p' ) {
+ $output .= $this->closeParagraph();
+ $this->mLastSection = '';
+ $paragraphStack = '<p>';
+ } else {
+ $paragraphStack = '</p><p>';
+ }
+ }
+ } else {
+ if ( $paragraphStack ) {
+ $output .= $paragraphStack;
+ $paragraphStack = false;
+ $this->mLastSection = 'p';
+ } else if ($this->mLastSection != 'p') {
+ $output .= $this->closeParagraph().'<p>';
+ $this->mLastSection = 'p';
+ }
+ }
+ }
+ }
+ wfProfileOut( "$fname-paragraph" );
+ }
+ // somewhere above we forget to get out of pre block (bug 785)
+ if($preCloseMatch && $this->mInPre) {
+ $this->mInPre = false;
+ }
+ if ($paragraphStack === false) {
+ $output .= $t."\n";
+ }
+ }
+ while ( $prefixLength ) {
+ $output .= $this->closeList( $pref2{$prefixLength-1} );
+ --$prefixLength;
+ }
+ if ( '' != $this->mLastSection ) {
+ $output .= '</' . $this->mLastSection . '>';
+ $this->mLastSection = '';
+ }
+
+ wfProfileOut( $fname );
+ return $output;
+ }
+
+ /**
+ * Split up a string on ':', ignoring any occurences inside tags
+ * to prevent illegal overlapping.
+ * @param string $str the string to split
+ * @param string &$before set to everything before the ':'
+ * @param string &$after set to everything after the ':'
+ * return string the position of the ':', or false if none found
+ */
+ function findColonNoLinks($str, &$before, &$after) {
+ $fname = 'Parser::findColonNoLinks';
+ wfProfileIn( $fname );
+
+ $pos = strpos( $str, ':' );
+ if( $pos === false ) {
+ // Nothing to find!
+ wfProfileOut( $fname );
+ return false;
+ }
+
+ $lt = strpos( $str, '<' );
+ if( $lt === false || $lt > $pos ) {
+ // Easy; no tag nesting to worry about
+ $before = substr( $str, 0, $pos );
+ $after = substr( $str, $pos+1 );
+ wfProfileOut( $fname );
+ return $pos;
+ }
+
+ // Ugly state machine to walk through avoiding tags.
+ $state = self::COLON_STATE_TEXT;
+ $stack = 0;
+ $len = strlen( $str );
+ for( $i = 0; $i < $len; $i++ ) {
+ $c = $str{$i};
+
+ switch( $state ) {
+ // (Using the number is a performance hack for common cases)
+ case 0: // self::COLON_STATE_TEXT:
+ switch( $c ) {
+ case "<":
+ // Could be either a <start> tag or an </end> tag
+ $state = self::COLON_STATE_TAGSTART;
+ break;
+ case ":":
+ if( $stack == 0 ) {
+ // We found it!
+ $before = substr( $str, 0, $i );
+ $after = substr( $str, $i + 1 );
+ wfProfileOut( $fname );
+ return $i;
+ }
+ // Embedded in a tag; don't break it.
+ break;
+ default:
+ // Skip ahead looking for something interesting
+ $colon = strpos( $str, ':', $i );
+ if( $colon === false ) {
+ // Nothing else interesting
+ wfProfileOut( $fname );
+ return false;
+ }
+ $lt = strpos( $str, '<', $i );
+ if( $stack === 0 ) {
+ if( $lt === false || $colon < $lt ) {
+ // We found it!
+ $before = substr( $str, 0, $colon );
+ $after = substr( $str, $colon + 1 );
+ wfProfileOut( $fname );
+ return $i;
+ }
+ }
+ if( $lt === false ) {
+ // Nothing else interesting to find; abort!
+ // We're nested, but there's no close tags left. Abort!
+ break 2;
+ }
+ // Skip ahead to next tag start
+ $i = $lt;
+ $state = self::COLON_STATE_TAGSTART;
+ }
+ break;
+ case 1: // self::COLON_STATE_TAG:
+ // In a <tag>
+ switch( $c ) {
+ case ">":
+ $stack++;
+ $state = self::COLON_STATE_TEXT;
+ break;
+ case "/":
+ // Slash may be followed by >?
+ $state = self::COLON_STATE_TAGSLASH;
+ break;
+ default:
+ // ignore
+ }
+ break;
+ case 2: // self::COLON_STATE_TAGSTART:
+ switch( $c ) {
+ case "/":
+ $state = self::COLON_STATE_CLOSETAG;
+ break;
+ case "!":
+ $state = self::COLON_STATE_COMMENT;
+ break;
+ case ">":
+ // Illegal early close? This shouldn't happen D:
+ $state = self::COLON_STATE_TEXT;
+ break;
+ default:
+ $state = self::COLON_STATE_TAG;
+ }
+ break;
+ case 3: // self::COLON_STATE_CLOSETAG:
+ // In a </tag>
+ if( $c == ">" ) {
+ $stack--;
+ if( $stack < 0 ) {
+ wfDebug( "Invalid input in $fname; too many close tags\n" );
+ wfProfileOut( $fname );
+ return false;
+ }
+ $state = self::COLON_STATE_TEXT;
+ }
+ break;
+ case self::COLON_STATE_TAGSLASH:
+ if( $c == ">" ) {
+ // Yes, a self-closed tag <blah/>
+ $state = self::COLON_STATE_TEXT;
+ } else {
+ // Probably we're jumping the gun, and this is an attribute
+ $state = self::COLON_STATE_TAG;
+ }
+ break;
+ case 5: // self::COLON_STATE_COMMENT:
+ if( $c == "-" ) {
+ $state = self::COLON_STATE_COMMENTDASH;
+ }
+ break;
+ case self::COLON_STATE_COMMENTDASH:
+ if( $c == "-" ) {
+ $state = self::COLON_STATE_COMMENTDASHDASH;
+ } else {
+ $state = self::COLON_STATE_COMMENT;
+ }
+ break;
+ case self::COLON_STATE_COMMENTDASHDASH:
+ if( $c == ">" ) {
+ $state = self::COLON_STATE_TEXT;
+ } else {
+ $state = self::COLON_STATE_COMMENT;
+ }
+ break;
+ default:
+ throw new MWException( "State machine error in $fname" );
+ }
+ }
+ if( $stack > 0 ) {
+ wfDebug( "Invalid input in $fname; not enough close tags (stack $stack, state $state)\n" );
+ return false;
+ }
+ wfProfileOut( $fname );
+ return false;
+ }
+
+ /**
+ * Return value of a magic variable (like PAGENAME)
+ *
+ * @private
+ */
+ function getVariableValue( $index ) {
+ global $wgContLang, $wgSitename, $wgServer, $wgServerName, $wgScriptPath;
+
+ /**
+ * Some of these require message or data lookups and can be
+ * expensive to check many times.
+ */
+ static $varCache = array();
+ if ( wfRunHooks( 'ParserGetVariableValueVarCache', array( &$this, &$varCache ) ) ) {
+ if ( isset( $varCache[$index] ) ) {
+ return $varCache[$index];
+ }
+ }
+
+ $ts = time();
+ wfRunHooks( 'ParserGetVariableValueTs', array( &$this, &$ts ) );
+
+ # Use the time zone
+ global $wgLocaltimezone;
+ if ( isset( $wgLocaltimezone ) ) {
+ $oldtz = getenv( 'TZ' );
+ putenv( 'TZ='.$wgLocaltimezone );
+ }
+
+ wfSuppressWarnings(); // E_STRICT system time bitching
+ $localTimestamp = date( 'YmdHis', $ts );
+ $localMonth = date( 'm', $ts );
+ $localMonthName = date( 'n', $ts );
+ $localDay = date( 'j', $ts );
+ $localDay2 = date( 'd', $ts );
+ $localDayOfWeek = date( 'w', $ts );
+ $localWeek = date( 'W', $ts );
+ $localYear = date( 'Y', $ts );
+ $localHour = date( 'H', $ts );
+ if ( isset( $wgLocaltimezone ) ) {
+ putenv( 'TZ='.$oldtz );
+ }
+ wfRestoreWarnings();
+
+ switch ( $index ) {
+ case 'currentmonth':
+ return $varCache[$index] = $wgContLang->formatNum( gmdate( 'm', $ts ) );
+ case 'currentmonthname':
+ return $varCache[$index] = $wgContLang->getMonthName( gmdate( 'n', $ts ) );
+ case 'currentmonthnamegen':
+ return $varCache[$index] = $wgContLang->getMonthNameGen( gmdate( 'n', $ts ) );
+ case 'currentmonthabbrev':
+ return $varCache[$index] = $wgContLang->getMonthAbbreviation( gmdate( 'n', $ts ) );
+ case 'currentday':
+ return $varCache[$index] = $wgContLang->formatNum( gmdate( 'j', $ts ) );
+ case 'currentday2':
+ return $varCache[$index] = $wgContLang->formatNum( gmdate( 'd', $ts ) );
+ case 'localmonth':
+ return $varCache[$index] = $wgContLang->formatNum( $localMonth );
+ case 'localmonthname':
+ return $varCache[$index] = $wgContLang->getMonthName( $localMonthName );
+ case 'localmonthnamegen':
+ return $varCache[$index] = $wgContLang->getMonthNameGen( $localMonthName );
+ case 'localmonthabbrev':
+ return $varCache[$index] = $wgContLang->getMonthAbbreviation( $localMonthName );
+ case 'localday':
+ return $varCache[$index] = $wgContLang->formatNum( $localDay );
+ case 'localday2':
+ return $varCache[$index] = $wgContLang->formatNum( $localDay2 );
+ case 'pagename':
+ return wfEscapeWikiText( $this->mTitle->getText() );
+ case 'pagenamee':
+ return $this->mTitle->getPartialURL();
+ case 'fullpagename':
+ return wfEscapeWikiText( $this->mTitle->getPrefixedText() );
+ case 'fullpagenamee':
+ return $this->mTitle->getPrefixedURL();
+ case 'subpagename':
+ return wfEscapeWikiText( $this->mTitle->getSubpageText() );
+ case 'subpagenamee':
+ return $this->mTitle->getSubpageUrlForm();
+ case 'basepagename':
+ return wfEscapeWikiText( $this->mTitle->getBaseText() );
+ case 'basepagenamee':
+ return wfUrlEncode( str_replace( ' ', '_', $this->mTitle->getBaseText() ) );
+ case 'talkpagename':
+ if( $this->mTitle->canTalk() ) {
+ $talkPage = $this->mTitle->getTalkPage();
+ return wfEscapeWikiText( $talkPage->getPrefixedText() );
+ } else {
+ return '';
+ }
+ case 'talkpagenamee':
+ if( $this->mTitle->canTalk() ) {
+ $talkPage = $this->mTitle->getTalkPage();
+ return $talkPage->getPrefixedUrl();
+ } else {
+ return '';
+ }
+ case 'subjectpagename':
+ $subjPage = $this->mTitle->getSubjectPage();
+ return wfEscapeWikiText( $subjPage->getPrefixedText() );
+ case 'subjectpagenamee':
+ $subjPage = $this->mTitle->getSubjectPage();
+ return $subjPage->getPrefixedUrl();
+ case 'revisionid':
+ return $this->mRevisionId;
+ case 'revisionday':
+ return intval( substr( $this->getRevisionTimestamp(), 6, 2 ) );
+ case 'revisionday2':
+ return substr( $this->getRevisionTimestamp(), 6, 2 );
+ case 'revisionmonth':
+ return intval( substr( $this->getRevisionTimestamp(), 4, 2 ) );
+ case 'revisionyear':
+ return substr( $this->getRevisionTimestamp(), 0, 4 );
+ case 'revisiontimestamp':
+ return $this->getRevisionTimestamp();
+ case 'namespace':
+ return str_replace('_',' ',$wgContLang->getNsText( $this->mTitle->getNamespace() ) );
+ case 'namespacee':
+ return wfUrlencode( $wgContLang->getNsText( $this->mTitle->getNamespace() ) );
+ case 'talkspace':
+ return $this->mTitle->canTalk() ? str_replace('_',' ',$this->mTitle->getTalkNsText()) : '';
+ case 'talkspacee':
+ return $this->mTitle->canTalk() ? wfUrlencode( $this->mTitle->getTalkNsText() ) : '';
+ case 'subjectspace':
+ return $this->mTitle->getSubjectNsText();
+ case 'subjectspacee':
+ return( wfUrlencode( $this->mTitle->getSubjectNsText() ) );
+ case 'currentdayname':
+ return $varCache[$index] = $wgContLang->getWeekdayName( gmdate( 'w', $ts ) + 1 );
+ case 'currentyear':
+ return $varCache[$index] = $wgContLang->formatNum( gmdate( 'Y', $ts ), true );
+ case 'currenttime':
+ return $varCache[$index] = $wgContLang->time( wfTimestamp( TS_MW, $ts ), false, false );
+ case 'currenthour':
+ return $varCache[$index] = $wgContLang->formatNum( gmdate( 'H', $ts ), true );
+ case 'currentweek':
+ // @bug 4594 PHP5 has it zero padded, PHP4 does not, cast to
+ // int to remove the padding
+ return $varCache[$index] = $wgContLang->formatNum( (int)gmdate( 'W', $ts ) );
+ case 'currentdow':
+ return $varCache[$index] = $wgContLang->formatNum( gmdate( 'w', $ts ) );
+ case 'localdayname':
+ return $varCache[$index] = $wgContLang->getWeekdayName( $localDayOfWeek + 1 );
+ case 'localyear':
+ return $varCache[$index] = $wgContLang->formatNum( $localYear, true );
+ case 'localtime':
+ return $varCache[$index] = $wgContLang->time( $localTimestamp, false, false );
+ case 'localhour':
+ return $varCache[$index] = $wgContLang->formatNum( $localHour, true );
+ case 'localweek':
+ // @bug 4594 PHP5 has it zero padded, PHP4 does not, cast to
+ // int to remove the padding
+ return $varCache[$index] = $wgContLang->formatNum( (int)$localWeek );
+ case 'localdow':
+ return $varCache[$index] = $wgContLang->formatNum( $localDayOfWeek );
+ case 'numberofarticles':
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::articles() );
+ case 'numberoffiles':
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::images() );
+ case 'numberofusers':
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::users() );
+ case 'numberofpages':
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::pages() );
+ case 'numberofadmins':
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::admins() );
+ case 'numberofedits':
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::edits() );
+ case 'currenttimestamp':
+ return $varCache[$index] = wfTimestampNow();
+ case 'localtimestamp':
+ return $varCache[$index] = $localTimestamp;
+ case 'currentversion':
+ return $varCache[$index] = SpecialVersion::getVersion();
+ case 'sitename':
+ return $wgSitename;
+ case 'server':
+ return $wgServer;
+ case 'servername':
+ return $wgServerName;
+ case 'scriptpath':
+ return $wgScriptPath;
+ case 'directionmark':
+ return $wgContLang->getDirMark();
+ case 'contentlanguage':
+ global $wgContLanguageCode;
+ return $wgContLanguageCode;
+ default:
+ $ret = null;
+ if ( wfRunHooks( 'ParserGetVariableValueSwitch', array( &$this, &$varCache, &$index, &$ret ) ) )
+ return $ret;
+ else
+ return null;
+ }
+ }
+
+ /**
+ * initialise the magic variables (like CURRENTMONTHNAME)
+ *
+ * @private
+ */
+ function initialiseVariables() {
+ $fname = 'Parser::initialiseVariables';
+ wfProfileIn( $fname );
+ $variableIDs = MagicWord::getVariableIDs();
+
+ $this->mVariables = array();
+ foreach ( $variableIDs as $id ) {
+ $mw =& MagicWord::get( $id );
+ $mw->addToArray( $this->mVariables, $id );
+ }
+ wfProfileOut( $fname );
+ }
+
+ /**
+ * parse any parentheses in format ((title|part|part))
+ * and call callbacks to get a replacement text for any found piece
+ *
+ * @param string $text The text to parse
+ * @param array $callbacks rules in form:
+ * '{' => array( # opening parentheses
+ * 'end' => '}', # closing parentheses
+ * 'cb' => array(2 => callback, # replacement callback to call if {{..}} is found
+ * 3 => callback # replacement callback to call if {{{..}}} is found
+ * )
+ * )
+ * 'min' => 2, # Minimum parenthesis count in cb
+ * 'max' => 3, # Maximum parenthesis count in cb
+ * @private
+ */
+ function replace_callback ($text, $callbacks) {
+ wfProfileIn( __METHOD__ );
+ $openingBraceStack = array(); # this array will hold a stack of parentheses which are not closed yet
+ $lastOpeningBrace = -1; # last not closed parentheses
+
+ $validOpeningBraces = implode( '', array_keys( $callbacks ) );
+
+ $i = 0;
+ while ( $i < strlen( $text ) ) {
+ # Find next opening brace, closing brace or pipe
+ if ( $lastOpeningBrace == -1 ) {
+ $currentClosing = '';
+ $search = $validOpeningBraces;
+ } else {
+ $currentClosing = $openingBraceStack[$lastOpeningBrace]['braceEnd'];
+ $search = $validOpeningBraces . '|' . $currentClosing;
+ }
+ $rule = null;
+ $i += strcspn( $text, $search, $i );
+ if ( $i < strlen( $text ) ) {
+ if ( $text[$i] == '|' ) {
+ $found = 'pipe';
+ } elseif ( $text[$i] == $currentClosing ) {
+ $found = 'close';
+ } elseif ( isset( $callbacks[$text[$i]] ) ) {
+ $found = 'open';
+ $rule = $callbacks[$text[$i]];
+ } else {
+ # Some versions of PHP have a strcspn which stops on null characters
+ # Ignore and continue
+ ++$i;
+ continue;
+ }
+ } else {
+ # All done
+ break;
+ }
+
+ if ( $found == 'open' ) {
+ # found opening brace, let's add it to parentheses stack
+ $piece = array('brace' => $text[$i],
+ 'braceEnd' => $rule['end'],
+ 'title' => '',
+ 'parts' => null);
+
+ # count opening brace characters
+ $piece['count'] = strspn( $text, $piece['brace'], $i );
+ $piece['startAt'] = $piece['partStart'] = $i + $piece['count'];
+ $i += $piece['count'];
+
+ # we need to add to stack only if opening brace count is enough for one of the rules
+ if ( $piece['count'] >= $rule['min'] ) {
+ $lastOpeningBrace ++;
+ $openingBraceStack[$lastOpeningBrace] = $piece;
+ }
+ } elseif ( $found == 'close' ) {
+ # lets check if it is enough characters for closing brace
+ $maxCount = $openingBraceStack[$lastOpeningBrace]['count'];
+ $count = strspn( $text, $text[$i], $i, $maxCount );
+
+ # check for maximum matching characters (if there are 5 closing
+ # characters, we will probably need only 3 - depending on the rules)
+ $matchingCount = 0;
+ $matchingCallback = null;
+ $cbType = $callbacks[$openingBraceStack[$lastOpeningBrace]['brace']];
+ if ( $count > $cbType['max'] ) {
+ # The specified maximum exists in the callback array, unless the caller
+ # has made an error
+ $matchingCount = $cbType['max'];
+ } else {
+ # Count is less than the maximum
+ # Skip any gaps in the callback array to find the true largest match
+ # Need to use array_key_exists not isset because the callback can be null
+ $matchingCount = $count;
+ while ( $matchingCount > 0 && !array_key_exists( $matchingCount, $cbType['cb'] ) ) {
+ --$matchingCount;
+ }
+ }
+
+ if ($matchingCount <= 0) {
+ $i += $count;
+ continue;
+ }
+ $matchingCallback = $cbType['cb'][$matchingCount];
+
+ # let's set a title or last part (if '|' was found)
+ if (null === $openingBraceStack[$lastOpeningBrace]['parts']) {
+ $openingBraceStack[$lastOpeningBrace]['title'] =
+ substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
+ $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+ } else {
+ $openingBraceStack[$lastOpeningBrace]['parts'][] =
+ substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
+ $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+ }
+
+ $pieceStart = $openingBraceStack[$lastOpeningBrace]['startAt'] - $matchingCount;
+ $pieceEnd = $i + $matchingCount;
+
+ if( is_callable( $matchingCallback ) ) {
+ $cbArgs = array (
+ 'text' => substr($text, $pieceStart, $pieceEnd - $pieceStart),
+ 'title' => trim($openingBraceStack[$lastOpeningBrace]['title']),
+ 'parts' => $openingBraceStack[$lastOpeningBrace]['parts'],
+ 'lineStart' => (($pieceStart > 0) && ($text[$pieceStart-1] == "\n")),
+ );
+ # finally we can call a user callback and replace piece of text
+ $replaceWith = call_user_func( $matchingCallback, $cbArgs );
+ $text = substr($text, 0, $pieceStart) . $replaceWith . substr($text, $pieceEnd);
+ $i = $pieceStart + strlen($replaceWith);
+ } else {
+ # null value for callback means that parentheses should be parsed, but not replaced
+ $i += $matchingCount;
+ }
+
+ # reset last opening parentheses, but keep it in case there are unused characters
+ $piece = array('brace' => $openingBraceStack[$lastOpeningBrace]['brace'],
+ 'braceEnd' => $openingBraceStack[$lastOpeningBrace]['braceEnd'],
+ 'count' => $openingBraceStack[$lastOpeningBrace]['count'],
+ 'title' => '',
+ 'parts' => null,
+ 'startAt' => $openingBraceStack[$lastOpeningBrace]['startAt']);
+ $openingBraceStack[$lastOpeningBrace--] = null;
+
+ if ($matchingCount < $piece['count']) {
+ $piece['count'] -= $matchingCount;
+ $piece['startAt'] -= $matchingCount;
+ $piece['partStart'] = $piece['startAt'];
+ # do we still qualify for any callback with remaining count?
+ $currentCbList = $callbacks[$piece['brace']]['cb'];
+ while ( $piece['count'] ) {
+ if ( array_key_exists( $piece['count'], $currentCbList ) ) {
+ $lastOpeningBrace++;
+ $openingBraceStack[$lastOpeningBrace] = $piece;
+ break;
+ }
+ --$piece['count'];
+ }
+ }
+ } elseif ( $found == 'pipe' ) {
+ # lets set a title if it is a first separator, or next part otherwise
+ if (null === $openingBraceStack[$lastOpeningBrace]['parts']) {
+ $openingBraceStack[$lastOpeningBrace]['title'] =
+ substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
+ $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+ $openingBraceStack[$lastOpeningBrace]['parts'] = array();
+ } else {
+ $openingBraceStack[$lastOpeningBrace]['parts'][] =
+ substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
+ $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+ }
+ $openingBraceStack[$lastOpeningBrace]['partStart'] = ++$i;
+ }
+ }
+
+ wfProfileOut( __METHOD__ );
+ return $text;
+ }
+
+ /**
+ * Replace magic variables, templates, and template arguments
+ * with the appropriate text. Templates are substituted recursively,
+ * taking care to avoid infinite loops.
+ *
+ * Note that the substitution depends on value of $mOutputType:
+ * OT_WIKI: only {{subst:}} templates
+ * OT_MSG: only magic variables
+ * OT_HTML: all templates and magic variables
+ *
+ * @param string $tex The text to transform
+ * @param array $args Key-value pairs representing template parameters to substitute
+ * @param bool $argsOnly Only do argument (triple-brace) expansion, not double-brace expansion
+ * @private
+ */
+ function replaceVariables( $text, $args = array(), $argsOnly = false ) {
+ # Prevent too big inclusions
+ if( strlen( $text ) > $this->mOptions->getMaxIncludeSize() ) {
+ return $text;
+ }
+
+ $fname = __METHOD__ /*. '-L' . count( $this->mArgStack )*/;
+ wfProfileIn( $fname );
+
+ # This function is called recursively. To keep track of arguments we need a stack:
+ array_push( $this->mArgStack, $args );
+
+ $braceCallbacks = array();
+ if ( !$argsOnly ) {
+ $braceCallbacks[2] = array( &$this, 'braceSubstitution' );
+ }
+ if ( $this->mOutputType != OT_MSG ) {
+ $braceCallbacks[3] = array( &$this, 'argSubstitution' );
+ }
+ if ( $braceCallbacks ) {
+ $callbacks = array(
+ '{' => array(
+ 'end' => '}',
+ 'cb' => $braceCallbacks,
+ 'min' => $argsOnly ? 3 : 2,
+ 'max' => isset( $braceCallbacks[3] ) ? 3 : 2,
+ ),
+ '[' => array(
+ 'end' => ']',
+ 'cb' => array(2=>null),
+ 'min' => 2,
+ 'max' => 2,
+ )
+ );
+ $text = $this->replace_callback ($text, $callbacks);
+
+ array_pop( $this->mArgStack );
+ }
+ wfProfileOut( $fname );
+ return $text;
+ }
+
+ /**
+ * Replace magic variables
+ * @private
+ */
+ function variableSubstitution( $matches ) {
+ global $wgContLang;
+ $fname = 'Parser::variableSubstitution';
+ $varname = $wgContLang->lc($matches[1]);
+ wfProfileIn( $fname );
+ $skip = false;
+ if ( $this->mOutputType == OT_WIKI ) {
+ # Do only magic variables prefixed by SUBST
+ $mwSubst =& MagicWord::get( 'subst' );
+ if (!$mwSubst->matchStartAndRemove( $varname ))
+ $skip = true;
+ # Note that if we don't substitute the variable below,
+ # we don't remove the {{subst:}} magic word, in case
+ # it is a template rather than a magic variable.
+ }
+ if ( !$skip && array_key_exists( $varname, $this->mVariables ) ) {
+ $id = $this->mVariables[$varname];
+ # Now check if we did really match, case sensitive or not
+ $mw =& MagicWord::get( $id );
+ if ($mw->match($matches[1])) {
+ $text = $this->getVariableValue( $id );
+ $this->mOutput->mContainsOldMagic = true;
+ } else {
+ $text = $matches[0];
+ }
+ } else {
+ $text = $matches[0];
+ }
+ wfProfileOut( $fname );
+ return $text;
+ }
+
+
+ /// Clean up argument array - refactored in 1.9 so parserfunctions can use it, too.
+ static function createAssocArgs( $args ) {
+ $assocArgs = array();
+ $index = 1;
+ foreach( $args as $arg ) {
+ $eqpos = strpos( $arg, '=' );
+ if ( $eqpos === false ) {
+ $assocArgs[$index++] = $arg;
+ } else {
+ $name = trim( substr( $arg, 0, $eqpos ) );
+ $value = trim( substr( $arg, $eqpos+1 ) );
+ if ( $value === false ) {
+ $value = '';
+ }
+ if ( $name !== false ) {
+ $assocArgs[$name] = $value;
+ }
+ }
+ }
+
+ return $assocArgs;
+ }
+
+ /**
+ * Return the text of a template, after recursively
+ * replacing any variables or templates within the template.
+ *
+ * @param array $piece The parts of the template
+ * $piece['text']: matched text
+ * $piece['title']: the title, i.e. the part before the |
+ * $piece['parts']: the parameter array
+ * @return string the text of the template
+ * @private
+ */
+ function braceSubstitution( $piece ) {
+ global $wgContLang, $wgLang, $wgAllowDisplayTitle, $wgNonincludableNamespaces;
+ $fname = __METHOD__ /*. '-L' . count( $this->mArgStack )*/;
+ wfProfileIn( $fname );
+ wfProfileIn( __METHOD__.'-setup' );
+
+ # Flags
+ $found = false; # $text has been filled
+ $nowiki = false; # wiki markup in $text should be escaped
+ $noparse = false; # Unsafe HTML tags should not be stripped, etc.
+ $noargs = false; # Don't replace triple-brace arguments in $text
+ $replaceHeadings = false; # Make the edit section links go to the template not the article
+ $headingOffset = 0; # Skip headings when number, to account for those that weren't transcluded.
+ $isHTML = false; # $text is HTML, armour it against wikitext transformation
+ $forceRawInterwiki = false; # Force interwiki transclusion to be done in raw mode not rendered
+
+ # Title object, where $text came from
+ $title = NULL;
+
+ $linestart = '';
+
+
+ # $part1 is the bit before the first |, and must contain only title characters
+ # $args is a list of arguments, starting from index 0, not including $part1
+
+ $titleText = $part1 = $piece['title'];
+ # If the third subpattern matched anything, it will start with |
+
+ if (null == $piece['parts']) {
+ $replaceWith = $this->variableSubstitution (array ($piece['text'], $piece['title']));
+ if ($replaceWith != $piece['text']) {
+ $text = $replaceWith;
+ $found = true;
+ $noparse = true;
+ $noargs = true;
+ }
+ }
+
+ $args = (null == $piece['parts']) ? array() : $piece['parts'];
+ wfProfileOut( __METHOD__.'-setup' );
+
+ # SUBST
+ wfProfileIn( __METHOD__.'-modifiers' );
+ if ( !$found ) {
+ $mwSubst =& MagicWord::get( 'subst' );
+ if ( $mwSubst->matchStartAndRemove( $part1 ) xor $this->ot['wiki'] ) {
+ # One of two possibilities is true:
+ # 1) Found SUBST but not in the PST phase
+ # 2) Didn't find SUBST and in the PST phase
+ # In either case, return without further processing
+ $text = $piece['text'];
+ $found = true;
+ $noparse = true;
+ $noargs = true;
+ }
+ }
+
+ # MSG, MSGNW and RAW
+ if ( !$found ) {
+ # Check for MSGNW:
+ $mwMsgnw =& MagicWord::get( 'msgnw' );
+ if ( $mwMsgnw->matchStartAndRemove( $part1 ) ) {
+ $nowiki = true;
+ } else {
+ # Remove obsolete MSG:
+ $mwMsg =& MagicWord::get( 'msg' );
+ $mwMsg->matchStartAndRemove( $part1 );
+ }
+
+ # Check for RAW:
+ $mwRaw =& MagicWord::get( 'raw' );
+ if ( $mwRaw->matchStartAndRemove( $part1 ) ) {
+ $forceRawInterwiki = true;
+ }
+ }
+ wfProfileOut( __METHOD__.'-modifiers' );
+
+ //save path level before recursing into functions & templates.
+ $lastPathLevel = $this->mTemplatePath;
+
+ # Parser functions
+ if ( !$found ) {
+ wfProfileIn( __METHOD__ . '-pfunc' );
+
+ $colonPos = strpos( $part1, ':' );
+ if ( $colonPos !== false ) {
+ # Case sensitive functions
+ $function = substr( $part1, 0, $colonPos );
+ if ( isset( $this->mFunctionSynonyms[1][$function] ) ) {
+ $function = $this->mFunctionSynonyms[1][$function];
+ } else {
+ # Case insensitive functions
+ $function = strtolower( $function );
+ if ( isset( $this->mFunctionSynonyms[0][$function] ) ) {
+ $function = $this->mFunctionSynonyms[0][$function];
+ } else {
+ $function = false;
+ }
+ }
+ if ( $function ) {
+ $funcArgs = array_map( 'trim', $args );
+ $funcArgs = array_merge( array( &$this, trim( substr( $part1, $colonPos + 1 ) ) ), $funcArgs );
+ $result = call_user_func_array( $this->mFunctionHooks[$function], $funcArgs );
+ $found = true;
+
+ // The text is usually already parsed, doesn't need triple-brace tags expanded, etc.
+ //$noargs = true;
+ //$noparse = true;
+
+ if ( is_array( $result ) ) {
+ if ( isset( $result[0] ) ) {
+ $text = $linestart . $result[0];
+ unset( $result[0] );
+ }
+
+ // Extract flags into the local scope
+ // This allows callers to set flags such as nowiki, noparse, found, etc.
+ extract( $result );
+ } else {
+ $text = $linestart . $result;
+ }
+ }
+ }
+ wfProfileOut( __METHOD__ . '-pfunc' );
+ }
+
+ # Template table test
+
+ # Did we encounter this template already? If yes, it is in the cache
+ # and we need to check for loops.
+ if ( !$found && isset( $this->mTemplates[$piece['title']] ) ) {
+ $found = true;
+
+ # Infinite loop test
+ if ( isset( $this->mTemplatePath[$part1] ) ) {
+ $noparse = true;
+ $noargs = true;
+ $found = true;
+ $text = $linestart .
+ "[[$part1]]<!-- WARNING: template loop detected -->";
+ wfDebug( __METHOD__.": template loop broken at '$part1'\n" );
+ } else {
+ # set $text to cached message.
+ $text = $linestart . $this->mTemplates[$piece['title']];
+ #treat title for cached page the same as others
+ $ns = NS_TEMPLATE;
+ $subpage = '';
+ $part1 = $this->maybeDoSubpageLink( $part1, $subpage );
+ if ($subpage !== '') {
+ $ns = $this->mTitle->getNamespace();
+ }
+ $title = Title::newFromText( $part1, $ns );
+ //used by include size checking
+ $titleText = $title->getPrefixedText();
+ //used by edit section links
+ $replaceHeadings = true;
+
+ }
+ }
+
+ # Load from database
+ if ( !$found ) {
+ wfProfileIn( __METHOD__ . '-loadtpl' );
+ $ns = NS_TEMPLATE;
+ # declaring $subpage directly in the function call
+ # does not work correctly with references and breaks
+ # {{/subpage}}-style inclusions
+ $subpage = '';
+ $part1 = $this->maybeDoSubpageLink( $part1, $subpage );
+ if ($subpage !== '') {
+ $ns = $this->mTitle->getNamespace();
+ }
+ $title = Title::newFromText( $part1, $ns );
+
+
+ if ( !is_null( $title ) ) {
+ $titleText = $title->getPrefixedText();
+ # Check for language variants if the template is not found
+ if($wgContLang->hasVariants() && $title->getArticleID() == 0){
+ $wgContLang->findVariantLink($part1, $title);
+ }
+
+ if ( !$title->isExternal() ) {
+ if ( $title->getNamespace() == NS_SPECIAL && $this->mOptions->getAllowSpecialInclusion() && $this->ot['html'] ) {
+ $text = SpecialPage::capturePath( $title );
+ if ( is_string( $text ) ) {
+ $found = true;
+ $noparse = true;
+ $noargs = true;
+ $isHTML = true;
+ $this->disableCache();
+ }
+ } else if ( $wgNonincludableNamespaces && in_array( $title->getNamespace(), $wgNonincludableNamespaces ) ) {
+ $found = false; //access denied
+ wfDebug( "$fname: template inclusion denied for " . $title->getPrefixedDBkey() );
+ } else {
+ list($articleContent,$title) = $this->fetchTemplateAndtitle( $title );
+ if ( $articleContent !== false ) {
+ $found = true;
+ $text = $articleContent;
+ $replaceHeadings = true;
+ }
+ }
+
+ # If the title is valid but undisplayable, make a link to it
+ if ( !$found && ( $this->ot['html'] || $this->ot['pre'] ) ) {
+ $text = "[[:$titleText]]";
+ $found = true;
+ }
+ } elseif ( $title->isTrans() ) {
+ // Interwiki transclusion
+ if ( $this->ot['html'] && !$forceRawInterwiki ) {
+ $text = $this->interwikiTransclude( $title, 'render' );
+ $isHTML = true;
+ $noparse = true;
+ } else {
+ $text = $this->interwikiTransclude( $title, 'raw' );
+ $replaceHeadings = true;
+ }
+ $found = true;
+ }
+
+ # Template cache array insertion
+ # Use the original $piece['title'] not the mangled $part1, so that
+ # modifiers such as RAW: produce separate cache entries
+ if( $found ) {
+ if( $isHTML ) {
+ // A special page; don't store it in the template cache.
+ } else {
+ $this->mTemplates[$piece['title']] = $text;
+ }
+ $text = $linestart . $text;
+ }
+ }
+ wfProfileOut( __METHOD__ . '-loadtpl' );
+ }
+
+ if ( $found && !$this->incrementIncludeSize( 'pre-expand', strlen( $text ) ) ) {
+ # Error, oversize inclusion
+ $text = $linestart .
+ "[[$titleText]]<!-- WARNING: template omitted, pre-expand include size too large -->";
+ $noparse = true;
+ $noargs = true;
+ }
+
+ # Recursive parsing, escaping and link table handling
+ # Only for HTML output
+ if ( $nowiki && $found && ( $this->ot['html'] || $this->ot['pre'] ) ) {
+ $text = wfEscapeWikiText( $text );
+ } elseif ( !$this->ot['msg'] && $found ) {
+ if ( $noargs ) {
+ $assocArgs = array();
+ } else {
+ # Clean up argument array
+ $assocArgs = self::createAssocArgs($args);
+ # Add a new element to the templace recursion path
+ $this->mTemplatePath[$part1] = 1;
+ }
+
+ if ( !$noparse ) {
+ # If there are any <onlyinclude> tags, only include them
+ if ( in_string( '<onlyinclude>', $text ) && in_string( '</onlyinclude>', $text ) ) {
+ $replacer = new OnlyIncludeReplacer;
+ StringUtils::delimiterReplaceCallback( '<onlyinclude>', '</onlyinclude>',
+ array( &$replacer, 'replace' ), $text );
+ $text = $replacer->output;
+ }
+ # Remove <noinclude> sections and <includeonly> tags
+ $text = StringUtils::delimiterReplace( '<noinclude>', '</noinclude>', '', $text );
+ $text = strtr( $text, array( '<includeonly>' => '' , '</includeonly>' => '' ) );
+
+ if( $this->ot['html'] || $this->ot['pre'] ) {
+ # Strip <nowiki>, <pre>, etc.
+ $text = $this->strip( $text, $this->mStripState );
+ if ( $this->ot['html'] ) {
+ $text = Sanitizer::removeHTMLtags( $text, array( &$this, 'replaceVariables' ), $assocArgs );
+ } elseif ( $this->ot['pre'] && $this->mOptions->getRemoveComments() ) {
+ $text = Sanitizer::removeHTMLcomments( $text );
+ }
+ }
+ $text = $this->replaceVariables( $text, $assocArgs );
+
+ # If the template begins with a table or block-level
+ # element, it should be treated as beginning a new line.
+ if (!$piece['lineStart'] && preg_match('/^(?:{\\||:|;|#|\*)/', $text)) /*}*/{
+ $text = "\n" . $text;
+ }
+ } elseif ( !$noargs ) {
+ # $noparse and !$noargs
+ # Just replace the arguments, not any double-brace items
+ # This is used for rendered interwiki transclusion
+ $text = $this->replaceVariables( $text, $assocArgs, true );
+ }
+ }
+ # Prune lower levels off the recursion check path
+ $this->mTemplatePath = $lastPathLevel;
+
+ if ( $found && !$this->incrementIncludeSize( 'post-expand', strlen( $text ) ) ) {
+ # Error, oversize inclusion
+ $text = $linestart .
+ "[[$titleText]]<!-- WARNING: template omitted, post-expand include size too large -->";
+ $noparse = true;
+ $noargs = true;
+ }
+
+ if ( !$found ) {
+ wfProfileOut( $fname );
+ return $piece['text'];
+ } else {
+ wfProfileIn( __METHOD__ . '-placeholders' );
+ if ( $isHTML ) {
+ # Replace raw HTML by a placeholder
+ # Add a blank line preceding, to prevent it from mucking up
+ # immediately preceding headings
+ $text = "\n\n" . $this->insertStripItem( $text, $this->mStripState );
+ } else {
+ # replace ==section headers==
+ # XXX this needs to go away once we have a better parser.
+ if ( !$this->ot['wiki'] && !$this->ot['pre'] && $replaceHeadings ) {
+ if( !is_null( $title ) )
+ $encodedname = base64_encode($title->getPrefixedDBkey());
+ else
+ $encodedname = base64_encode("");
+ $m = preg_split('/(^={1,6}.*?={1,6}\s*?$)/m', $text, -1,
+ PREG_SPLIT_DELIM_CAPTURE);
+ $text = '';
+ $nsec = $headingOffset;
+
+ for( $i = 0; $i < count($m); $i += 2 ) {
+ $text .= $m[$i];
+ if (!isset($m[$i + 1]) || $m[$i + 1] == "") continue;
+ $hl = $m[$i + 1];
+ if( strstr($hl, "<!--MWTEMPLATESECTION") ) {
+ $text .= $hl;
+ continue;
+ }
+ $m2 = array();
+ preg_match('/^(={1,6})(.*?)(={1,6}\s*?)$/m', $hl, $m2);
+ $text .= $m2[1] . $m2[2] . "<!--MWTEMPLATESECTION="
+ . $encodedname . "&" . base64_encode("$nsec") . "-->" . $m2[3];
+
+ $nsec++;
+ }
+ }
+ }
+ wfProfileOut( __METHOD__ . '-placeholders' );
+ }
+
+ # Prune lower levels off the recursion check path
+ $this->mTemplatePath = $lastPathLevel;
+
+ if ( !$found ) {
+ wfProfileOut( $fname );
+ return $piece['text'];
+ } else {
+ wfProfileOut( $fname );
+ return $text;
+ }
+ }
+
+ /**
+ * Fetch the unparsed text of a template and register a reference to it.
+ */
+ function fetchTemplateAndTitle( $title ) {
+ $templateCb = $this->mOptions->getTemplateCallback();
+ $stuff = call_user_func( $templateCb, $title );
+ $text = $stuff['text'];
+ $finalTitle = isset( $stuff['finalTitle'] ) ? $stuff['finalTitle'] : $title;
+ if ( isset( $stuff['deps'] ) ) {
+ foreach ( $stuff['deps'] as $dep ) {
+ $this->mOutput->addTemplate( $dep['title'], $dep['page_id'], $dep['rev_id'] );
+ }
+ }
+ return array($text,$finalTitle);
+ }
+
+ function fetchTemplate( $title ) {
+ $rv = $this->fetchTemplateAndtitle($title);
+ return $rv[0];
+ }
+
+ /**
+ * Static function to get a template
+ * Can be overridden via ParserOptions::setTemplateCallback().
+ *
+ * Returns an associative array:
+ * text The unparsed template text
+ * finalTitle (Optional) The title after following redirects
+ * deps (Optional) An array of associative array dependencies:
+ * title: The dependency title, to be registered in templatelinks
+ * page_id: The page_id of the title
+ * rev_id: The revision ID loaded
+ */
+ static function statelessFetchTemplate( $title ) {
+ $text = $skip = false;
+ $finalTitle = $title;
+ $deps = array();
+
+ // Loop to fetch the article, with up to 1 redirect
+ for ( $i = 0; $i < 2 && is_object( $title ); $i++ ) {
+ # Give extensions a chance to select the revision instead
+ $id = false; // Assume current
+ wfRunHooks( 'BeforeParserFetchTemplateAndtitle', array( false, &$title, &$skip, &$id ) );
+
+ if( $skip ) {
+ $text = false;
+ $deps[] = array(
+ 'title' => $title,
+ 'page_id' => $title->getArticleID(),
+ 'rev_id' => null );
+ break;
+ }
+ $rev = $id ? Revision::newFromId( $id ) : Revision::newFromTitle( $title );
+ $rev_id = $rev ? $rev->getId() : 0;
+
+ $deps[] = array(
+ 'title' => $title,
+ 'page_id' => $title->getArticleID(),
+ 'rev_id' => $rev_id );
+
+ if( $rev ) {
+ $text = $rev->getText();
+ } elseif( $title->getNamespace() == NS_MEDIAWIKI ) {
+ global $wgLang;
+ $message = $wgLang->lcfirst( $title->getText() );
+ $text = wfMsgForContentNoTrans( $message );
+ if( wfEmptyMsg( $message, $text ) ) {
+ $text = false;
+ break;
+ }
+ } else {
+ break;
+ }
+ if ( $text === false ) {
+ break;
+ }
+ // Redirect?
+ $finalTitle = $title;
+ $title = Title::newFromRedirect( $text );
+ }
+ return array(
+ 'text' => $text,
+ 'finalTitle' => $finalTitle,
+ 'deps' => $deps );
+ }
+
+ /**
+ * Transclude an interwiki link.
+ */
+ function interwikiTransclude( $title, $action ) {
+ global $wgEnableScaryTranscluding;
+
+ if (!$wgEnableScaryTranscluding)
+ return wfMsg('scarytranscludedisabled');
+
+ $url = $title->getFullUrl( "action=$action" );
+
+ if (strlen($url) > 255)
+ return wfMsg('scarytranscludetoolong');
+ return $this->fetchScaryTemplateMaybeFromCache($url);
+ }
+
+ function fetchScaryTemplateMaybeFromCache($url) {
+ global $wgTranscludeCacheExpiry;
+ $dbr = wfGetDB(DB_SLAVE);
+ $obj = $dbr->selectRow('transcache', array('tc_time', 'tc_contents'),
+ array('tc_url' => $url));
+ if ($obj) {
+ $time = $obj->tc_time;
+ $text = $obj->tc_contents;
+ if ($time && time() < $time + $wgTranscludeCacheExpiry ) {
+ return $text;
+ }
+ }
+
+ $text = Http::get($url);
+ if (!$text)
+ return wfMsg('scarytranscludefailed', $url);
+
+ $dbw = wfGetDB(DB_MASTER);
+ $dbw->replace('transcache', array('tc_url'), array(
+ 'tc_url' => $url,
+ 'tc_time' => time(),
+ 'tc_contents' => $text));
+ return $text;
+ }
+
+
+ /**
+ * Triple brace replacement -- used for template arguments
+ * @private
+ */
+ function argSubstitution( $matches ) {
+ $arg = trim( $matches['title'] );
+ $text = $matches['text'];
+ $inputArgs = end( $this->mArgStack );
+
+ if ( array_key_exists( $arg, $inputArgs ) ) {
+ $text = $inputArgs[$arg];
+ } else if (($this->mOutputType == OT_HTML || $this->mOutputType == OT_PREPROCESS ) &&
+ null != $matches['parts'] && count($matches['parts']) > 0) {
+ $text = $matches['parts'][0];
+ }
+ if ( !$this->incrementIncludeSize( 'arg', strlen( $text ) ) ) {
+ $text = $matches['text'] .
+ '<!-- WARNING: argument omitted, expansion size too large -->';
+ }
+
+ return $text;
+ }
+
+ /**
+ * Increment an include size counter
+ *
+ * @param string $type The type of expansion
+ * @param integer $size The size of the text
+ * @return boolean False if this inclusion would take it over the maximum, true otherwise
+ */
+ function incrementIncludeSize( $type, $size ) {
+ if ( $this->mIncludeSizes[$type] + $size > $this->mOptions->getMaxIncludeSize() ) {
+ return false;
+ } else {
+ $this->mIncludeSizes[$type] += $size;
+ return true;
+ }
+ }
+
+ /**
+ * Detect __NOGALLERY__ magic word and set a placeholder
+ */
+ function stripNoGallery( &$text ) {
+ # if the string __NOGALLERY__ (not case-sensitive) occurs in the HTML,
+ # do not add TOC
+ $mw = MagicWord::get( 'nogallery' );
+ $this->mOutput->mNoGallery = $mw->matchAndRemove( $text ) ;
+ }
+
+ /**
+ * Find the first __TOC__ magic word and set a <!--MWTOC-->
+ * placeholder that will then be replaced by the real TOC in
+ * ->formatHeadings, this works because at this points real
+ * comments will have already been discarded by the sanitizer.
+ *
+ * Any additional __TOC__ magic words left over will be discarded
+ * as there can only be one TOC on the page.
+ */
+ function stripToc( $text ) {
+ # if the string __NOTOC__ (not case-sensitive) occurs in the HTML,
+ # do not add TOC
+ $mw = MagicWord::get( 'notoc' );
+ if( $mw->matchAndRemove( $text ) ) {
+ $this->mShowToc = false;
+ }
+
+ $mw = MagicWord::get( 'toc' );
+ if( $mw->match( $text ) ) {
+ $this->mShowToc = true;
+ $this->mForceTocPosition = true;
+
+ // Set a placeholder. At the end we'll fill it in with the TOC.
+ $text = $mw->replace( '<!--MWTOC-->', $text, 1 );
+
+ // Only keep the first one.
+ $text = $mw->replace( '', $text );
+ }
+ return $text;
+ }
+
+ /**
+ * This function accomplishes several tasks:
+ * 1) Auto-number headings if that option is enabled
+ * 2) Add an [edit] link to sections for users who have enabled the option and can edit the page
+ * 3) Add a Table of contents on the top for users who have enabled the option
+ * 4) Auto-anchor headings
+ *
+ * It loops through all headlines, collects the necessary data, then splits up the
+ * string and re-inserts the newly formatted headlines.
+ *
+ * @param string $text
+ * @param boolean $isMain
+ * @private
+ */
+ function formatHeadings( $text, $isMain=true ) {
+ global $wgMaxTocLevel, $wgContLang;
+
+ $doNumberHeadings = $this->mOptions->getNumberHeadings();
+ if( !$this->mTitle->quickUserCan( 'edit' ) ) {
+ $showEditLink = 0;
+ } else {
+ $showEditLink = $this->mOptions->getEditSection();
+ }
+
+ # Inhibit editsection links if requested in the page
+ $esw =& MagicWord::get( 'noeditsection' );
+ if( $esw->matchAndRemove( $text ) ) {
+ $showEditLink = 0;
+ }
+
+ # Get all headlines for numbering them and adding funky stuff like [edit]
+ # links - this is for later, but we need the number of headlines right now
+ $matches = array();
+ $numMatches = preg_match_all( '/<H(?P<level>[1-6])(?P<attrib>.*?'.'>)(?P<header>.*?)<\/H[1-6] *>/i', $text, $matches );
+
+ # if there are fewer than 4 headlines in the article, do not show TOC
+ # unless it's been explicitly enabled.
+ $enoughToc = $this->mShowToc &&
+ (($numMatches >= 4) || $this->mForceTocPosition);
+
+ # Allow user to stipulate that a page should have a "new section"
+ # link added via __NEWSECTIONLINK__
+ $mw =& MagicWord::get( 'newsectionlink' );
+ if( $mw->matchAndRemove( $text ) )
+ $this->mOutput->setNewSection( true );
+
+ # if the string __FORCETOC__ (not case-sensitive) occurs in the HTML,
+ # override above conditions and always show TOC above first header
+ $mw =& MagicWord::get( 'forcetoc' );
+ if ($mw->matchAndRemove( $text ) ) {
+ $this->mShowToc = true;
+ $enoughToc = true;
+ }
+
+ # We need this to perform operations on the HTML
+ $sk = $this->mOptions->getSkin();
+
+ # headline counter
+ $headlineCount = 0;
+ $sectionCount = 0; # headlineCount excluding template sections
+ $numVisible = 0;
+
+ # Ugh .. the TOC should have neat indentation levels which can be
+ # passed to the skin functions. These are determined here
+ $toc = '';
+ $full = '';
+ $head = array();
+ $sublevelCount = array();
+ $levelCount = array();
+ $toclevel = 0;
+ $level = 0;
+ $prevlevel = 0;
+ $toclevel = 0;
+ $prevtoclevel = 0;
+
+ foreach( $matches[3] as $headline ) {
+ $istemplate = 0;
+ $templatetitle = '';
+ $templatesection = 0;
+ $numbering = '';
+ $mat = array();
+ if (preg_match("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", $headline, $mat)) {
+ $istemplate = 1;
+ $templatetitle = base64_decode($mat[1]);
+ $templatesection = 1 + (int)base64_decode($mat[2]);
+ $headline = preg_replace("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", "", $headline);
+ }
+
+ if( $toclevel ) {
+ $prevlevel = $level;
+ $prevtoclevel = $toclevel;
+ }
+ $level = $matches[1][$headlineCount];
+
+ if( $doNumberHeadings || $enoughToc ) {
+
+ if ( $level > $prevlevel ) {
+ # Increase TOC level
+ $toclevel++;
+ $sublevelCount[$toclevel] = 0;
+ if( $toclevel<$wgMaxTocLevel ) {
+ $prevtoclevel = $toclevel;
+ $toc .= $sk->tocIndent();
+ $numVisible++;
+ }
+ }
+ elseif ( $level < $prevlevel && $toclevel > 1 ) {
+ # Decrease TOC level, find level to jump to
+
+ if ( $toclevel == 2 && $level <= $levelCount[1] ) {
+ # Can only go down to level 1
+ $toclevel = 1;
+ } else {
+ for ($i = $toclevel; $i > 0; $i--) {
+ if ( $levelCount[$i] == $level ) {
+ # Found last matching level
+ $toclevel = $i;
+ break;
+ }
+ elseif ( $levelCount[$i] < $level ) {
+ # Found first matching level below current level
+ $toclevel = $i + 1;
+ break;
+ }
+ }
+ }
+ if( $toclevel<$wgMaxTocLevel ) {
+ if($prevtoclevel < $wgMaxTocLevel) {
+ # Unindent only if the previous toc level was shown :p
+ $toc .= $sk->tocUnindent( $prevtoclevel - $toclevel );
+ } else {
+ $toc .= $sk->tocLineEnd();
+ }
+ }
+ }
+ else {
+ # No change in level, end TOC line
+ if( $toclevel<$wgMaxTocLevel ) {
+ $toc .= $sk->tocLineEnd();
+ }
+ }
+
+ $levelCount[$toclevel] = $level;
+
+ # count number of headlines for each level
+ @$sublevelCount[$toclevel]++;
+ $dot = 0;
+ for( $i = 1; $i <= $toclevel; $i++ ) {
+ if( !empty( $sublevelCount[$i] ) ) {
+ if( $dot ) {
+ $numbering .= '.';
+ }
+ $numbering .= $wgContLang->formatNum( $sublevelCount[$i] );
+ $dot = 1;
+ }
+ }
+ }
+
+ # The canonized header is a version of the header text safe to use for links
+ # Avoid insertion of weird stuff like <math> by expanding the relevant sections
+ $canonized_headline = $this->mStripState->unstripBoth( $headline );
+
+ # Remove link placeholders by the link text.
+ # <!--LINK number-->
+ # turns into
+ # link text with suffix
+ $canonized_headline = preg_replace( '/<!--LINK ([0-9]*)-->/e',
+ "\$this->mLinkHolders['texts'][\$1]",
+ $canonized_headline );
+ $canonized_headline = preg_replace( '/<!--IWLINK ([0-9]*)-->/e',
+ "\$this->mInterwikiLinkHolders['texts'][\$1]",
+ $canonized_headline );
+
+ # Strip out HTML (other than plain <sup> and <sub>: bug 8393)
+ $tocline = preg_replace(
+ array( '#<(?!/?(sup|sub)).*?'.'>#', '#<(/?(sup|sub)).*?'.'>#' ),
+ array( '', '<$1>'),
+ $canonized_headline
+ );
+ $tocline = trim( $tocline );
+
+ # For the anchor, strip out HTML-y stuff period
+ $canonized_headline = preg_replace( '/<.*?'.'>/', '', $canonized_headline );
+ $canonized_headline = trim( $canonized_headline );
+
+ # Save headline for section edit hint before it's escaped
+ $headline_hint = $canonized_headline;
+ $canonized_headline = Sanitizer::escapeId( $canonized_headline );
+ $refers[$headlineCount] = $canonized_headline;
+
+ # count how many in assoc. array so we can track dupes in anchors
+ isset( $refers[$canonized_headline] ) ? $refers[$canonized_headline]++ : $refers[$canonized_headline] = 1;
+ $refcount[$headlineCount]=$refers[$canonized_headline];
+
+ # Don't number the heading if it is the only one (looks silly)
+ if( $doNumberHeadings && count( $matches[3] ) > 1) {
+ # the two are different if the line contains a link
+ $headline=$numbering . ' ' . $headline;
+ }
+
+ # Create the anchor for linking from the TOC to the section
+ $anchor = $canonized_headline;
+ if($refcount[$headlineCount] > 1 ) {
+ $anchor .= '_' . $refcount[$headlineCount];
+ }
+ if( $enoughToc && ( !isset($wgMaxTocLevel) || $toclevel<$wgMaxTocLevel ) ) {
+ $toc .= $sk->tocLine($anchor, $tocline, $numbering, $toclevel);
+ }
+ # give headline the correct <h#> tag
+ if( $showEditLink && ( !$istemplate || $templatetitle !== "" ) ) {
+ if( $istemplate )
+ $editlink = $sk->editSectionLinkForOther($templatetitle, $templatesection);
+ else
+ $editlink = $sk->editSectionLink($this->mTitle, $sectionCount+1, $headline_hint);
+ } else {
+ $editlink = '';
+ }
+ $head[$headlineCount] = $sk->makeHeadline( $level, $matches['attrib'][$headlineCount], $anchor, $headline, $editlink );
+
+ $headlineCount++;
+ if( !$istemplate )
+ $sectionCount++;
+ }
+
+ # Never ever show TOC if no headers
+ if( $numVisible < 1 ) {
+ $enoughToc = false;
+ }
+
+ if( $enoughToc ) {
+ if( $prevtoclevel > 0 && $prevtoclevel < $wgMaxTocLevel ) {
+ $toc .= $sk->tocUnindent( $prevtoclevel - 1 );
+ }
+ $toc = $sk->tocList( $toc );
+ }
+
+ # split up and insert constructed headlines
+
+ $blocks = preg_split( '/<H[1-6].*?' . '>.*?<\/H[1-6]>/i', $text );
+ $i = 0;
+
+ foreach( $blocks as $block ) {
+ if( $showEditLink && $headlineCount > 0 && $i == 0 && $block != "\n" ) {
+ # This is the [edit] link that appears for the top block of text when
+ # section editing is enabled
+
+ # Disabled because it broke block formatting
+ # For example, a bullet point in the top line
+ # $full .= $sk->editSectionLink(0);
+ }
+ $full .= $block;
+ if( $enoughToc && !$i && $isMain && !$this->mForceTocPosition ) {
+ # Top anchor now in skin
+ $full = $full.$toc;
+ }
+
+ if( !empty( $head[$i] ) ) {
+ $full .= $head[$i];
+ }
+ $i++;
+ }
+ if( $this->mForceTocPosition ) {
+ return str_replace( '<!--MWTOC-->', $toc, $full );
+ } else {
+ return $full;
+ }
+ }
+
+ /**
+ * Transform wiki markup when saving a page by doing \r\n -> \n
+ * conversion, substitting signatures, {{subst:}} templates, etc.
+ *
+ * @param string $text the text to transform
+ * @param Title &$title the Title object for the current article
+ * @param User &$user the User object describing the current user
+ * @param ParserOptions $options parsing options
+ * @param bool $clearState whether to clear the parser state first
+ * @return string the altered wiki markup
+ * @public
+ */
+ function preSaveTransform( $text, &$title, $user, $options, $clearState = true ) {
+ $this->mOptions = $options;
+ $this->mTitle =& $title;
+ $this->setOutputType( OT_WIKI );
+
+ if ( $clearState ) {
+ $this->clearState();
+ }
+
+ $stripState = new StripState;
+ $pairs = array(
+ "\r\n" => "\n",
+ );
+ $text = str_replace( array_keys( $pairs ), array_values( $pairs ), $text );
+ $text = $this->strip( $text, $stripState, true, array( 'gallery' ) );
+ $text = $this->pstPass2( $text, $stripState, $user );
+ $text = $stripState->unstripBoth( $text );
+ return $text;
+ }
+
+ /**
+ * Pre-save transform helper function
+ * @private
+ */
+ function pstPass2( $text, &$stripState, $user ) {
+ global $wgContLang, $wgLocaltimezone;
+
+ /* Note: This is the timestamp saved as hardcoded wikitext to
+ * the database, we use $wgContLang here in order to give
+ * everyone the same signature and use the default one rather
+ * than the one selected in each user's preferences.
+ */
+ if ( isset( $wgLocaltimezone ) ) {
+ $oldtz = getenv( 'TZ' );
+ putenv( 'TZ='.$wgLocaltimezone );
+ }
+ $d = $wgContLang->timeanddate( date( 'YmdHis' ), false, false) .
+ ' (' . date( 'T' ) . ')';
+ if ( isset( $wgLocaltimezone ) ) {
+ putenv( 'TZ='.$oldtz );
+ }
+
+ # Variable replacement
+ # Because mOutputType is OT_WIKI, this will only process {{subst:xxx}} type tags
+ $text = $this->replaceVariables( $text );
+
+ # Strip out <nowiki> etc. added via replaceVariables
+ $text = $this->strip( $text, $stripState, false, array( 'gallery' ) );
+
+ # Signatures
+ $sigText = $this->getUserSig( $user );
+ $text = strtr( $text, array(
+ '~~~~~' => $d,
+ '~~~~' => "$sigText $d",
+ '~~~' => $sigText
+ ) );
+
+ # Context links: [[|name]] and [[name (context)|]]
+ #
+ global $wgLegalTitleChars;
+ $tc = "[$wgLegalTitleChars]";
+ $nc = '[ _0-9A-Za-z\x80-\xff]'; # Namespaces can use non-ascii!
+
+ $p1 = "/\[\[(:?$nc+:|:|)($tc+?)( \\($tc+\\))\\|]]/"; # [[ns:page (context)|]]
+ $p3 = "/\[\[(:?$nc+:|:|)($tc+?)( \\($tc+\\)|)(, $tc+|)\\|]]/"; # [[ns:page (context), context|]]
+ $p2 = "/\[\[\\|($tc+)]]/"; # [[|page]]
+
+ # try $p1 first, to turn "[[A, B (C)|]]" into "[[A, B (C)|A, B]]"
+ $text = preg_replace( $p1, '[[\\1\\2\\3|\\2]]', $text );
+ $text = preg_replace( $p3, '[[\\1\\2\\3\\4|\\2]]', $text );
+
+ $t = $this->mTitle->getText();
+ $m = array();
+ if ( preg_match( "/^($nc+:|)$tc+?( \\($tc+\\))$/", $t, $m ) ) {
+ $text = preg_replace( $p2, "[[$m[1]\\1$m[2]|\\1]]", $text );
+ } elseif ( preg_match( "/^($nc+:|)$tc+?(, $tc+|)$/", $t, $m ) && '' != "$m[1]$m[2]" ) {
+ $text = preg_replace( $p2, "[[$m[1]\\1$m[2]|\\1]]", $text );
+ } else {
+ # if there's no context, don't bother duplicating the title
+ $text = preg_replace( $p2, '[[\\1]]', $text );
+ }
+
+ # Trim trailing whitespace
+ $text = rtrim( $text );
+
+ return $text;
+ }
+
+ /**
+ * Fetch the user's signature text, if any, and normalize to
+ * validated, ready-to-insert wikitext.
+ *
+ * @param User $user
+ * @return string
+ * @private
+ */
+ function getUserSig( &$user ) {
+ global $wgMaxSigChars;
+
+ $username = $user->getName();
+ $nickname = $user->getOption( 'nickname' );
+ $nickname = $nickname === '' ? $username : $nickname;
+
+ if( mb_strlen( $nickname ) > $wgMaxSigChars ) {
+ $nickname = $username;
+ wfDebug( __METHOD__ . ": $username has overlong signature.\n" );
+ } elseif( $user->getBoolOption( 'fancysig' ) !== false ) {
+ # Sig. might contain markup; validate this
+ if( $this->validateSig( $nickname ) !== false ) {
+ # Validated; clean up (if needed) and return it
+ return $this->cleanSig( $nickname, true );
+ } else {
+ # Failed to validate; fall back to the default
+ $nickname = $username;
+ wfDebug( "Parser::getUserSig: $username has bad XML tags in signature.\n" );
+ }
+ }
+
+ // Make sure nickname doesnt get a sig in a sig
+ $nickname = $this->cleanSigInSig( $nickname );
+
+ # If we're still here, make it a link to the user page
+ $userpage = $user->getUserPage();
+ return( '[[' . $userpage->getPrefixedText() . '|' . wfEscapeWikiText( $nickname ) . ']]' );
+ }
+
+ /**
+ * Check that the user's signature contains no bad XML
+ *
+ * @param string $text
+ * @return mixed An expanded string, or false if invalid.
+ */
+ function validateSig( $text ) {
+ return( wfIsWellFormedXmlFragment( $text ) ? $text : false );
+ }
+
+ /**
+ * Clean up signature text
+ *
+ * 1) Strip ~~~, ~~~~ and ~~~~~ out of signatures @see cleanSigInSig
+ * 2) Substitute all transclusions
+ *
+ * @param string $text
+ * @param $parsing Whether we're cleaning (preferences save) or parsing
+ * @return string Signature text
+ */
+ function cleanSig( $text, $parsing = false ) {
+ global $wgTitle;
+ $this->startExternalParse( $wgTitle, new ParserOptions(), $parsing ? OT_WIKI : OT_MSG );
+
+ $substWord = MagicWord::get( 'subst' );
+ $substRegex = '/\{\{(?!(?:' . $substWord->getBaseRegex() . '))/x' . $substWord->getRegexCase();
+ $substText = '{{' . $substWord->getSynonym( 0 );
+
+ $text = preg_replace( $substRegex, $substText, $text );
+ $text = $this->cleanSigInSig( $text );
+ $text = $this->replaceVariables( $text );
+
+ $this->clearState();
+ return $text;
+ }
+
+ /**
+ * Strip ~~~, ~~~~ and ~~~~~ out of signatures
+ * @param string $text
+ * @return string Signature text with /~{3,5}/ removed
+ */
+ function cleanSigInSig( $text ) {
+ $text = preg_replace( '/~{3,5}/', '', $text );
+ return $text;
+ }
+
+ /**
+ * Set up some variables which are usually set up in parse()
+ * so that an external function can call some class members with confidence
+ * @public
+ */
+ function startExternalParse( &$title, $options, $outputType, $clearState = true ) {
+ $this->mTitle =& $title;
+ $this->mOptions = $options;
+ $this->setOutputType( $outputType );
+ if ( $clearState ) {
+ $this->clearState();
+ }
+ }
+
+ /**
+ * Transform a MediaWiki message by replacing magic variables.
+ *
+ * @param string $text the text to transform
+ * @param ParserOptions $options options
+ * @return string the text with variables substituted
+ * @public
+ */
+ function transformMsg( $text, $options ) {
+ global $wgTitle;
+ static $executing = false;
+
+ $fname = "Parser::transformMsg";
+
+ # Guard against infinite recursion
+ if ( $executing ) {
+ return $text;
+ }
+ $executing = true;
+
+ wfProfileIn($fname);
+
+ if ( $wgTitle && !( $wgTitle instanceof FakeTitle ) ) {
+ $this->mTitle = $wgTitle;
+ } else {
+ $this->mTitle = Title::newFromText('msg');
+ }
+ $this->mOptions = $options;
+ $this->setOutputType( OT_MSG );
+ $this->clearState();
+ $text = $this->replaceVariables( $text );
+
+ $executing = false;
+ wfProfileOut($fname);
+ return $text;
+ }
+
+ /**
+ * Create an HTML-style tag, e.g. <yourtag>special text</yourtag>
+ * The callback should have the following form:
+ * function myParserHook( $text, $params, &$parser ) { ... }
+ *
+ * Transform and return $text. Use $parser for any required context, e.g. use
+ * $parser->getTitle() and $parser->getOptions() not $wgTitle or $wgOut->mParserOptions
+ *
+ * @public
+ *
+ * @param mixed $tag The tag to use, e.g. 'hook' for <hook>
+ * @param mixed $callback The callback function (and object) to use for the tag
+ *
+ * @return The old value of the mTagHooks array associated with the hook
+ */
+ function setHook( $tag, $callback ) {
+ $tag = strtolower( $tag );
+ $oldVal = isset( $this->mTagHooks[$tag] ) ? $this->mTagHooks[$tag] : null;
+ $this->mTagHooks[$tag] = $callback;
+
+ return $oldVal;
+ }
+
+ function setTransparentTagHook( $tag, $callback ) {
+ $tag = strtolower( $tag );
+ $oldVal = isset( $this->mTransparentTagHooks[$tag] ) ? $this->mTransparentTagHooks[$tag] : null;
+ $this->mTransparentTagHooks[$tag] = $callback;
+
+ return $oldVal;
+ }
+
+ /**
+ * Create a function, e.g. {{sum:1|2|3}}
+ * The callback function should have the form:
+ * function myParserFunction( &$parser, $arg1, $arg2, $arg3 ) { ... }
+ *
+ * The callback may either return the text result of the function, or an array with the text
+ * in element 0, and a number of flags in the other elements. The names of the flags are
+ * specified in the keys. Valid flags are:
+ * found The text returned is valid, stop processing the template. This
+ * is on by default.
+ * nowiki Wiki markup in the return value should be escaped
+ * noparse Unsafe HTML tags should not be stripped, etc.
+ * noargs Don't replace triple-brace arguments in the return value
+ * isHTML The returned text is HTML, armour it against wikitext transformation
+ *
+ * @public
+ *
+ * @param string $id The magic word ID
+ * @param mixed $callback The callback function (and object) to use
+ * @param integer $flags a combination of the following flags:
+ * SFH_NO_HASH No leading hash, i.e. {{plural:...}} instead of {{#if:...}}
+ *
+ * @return The old callback function for this name, if any
+ */
+ function setFunctionHook( $id, $callback, $flags = 0 ) {
+ $oldVal = isset( $this->mFunctionHooks[$id] ) ? $this->mFunctionHooks[$id] : null;
+ $this->mFunctionHooks[$id] = $callback;
+
+ # Add to function cache
+ $mw = MagicWord::get( $id );
+ if( !$mw )
+ throw new MWException( 'Parser::setFunctionHook() expecting a magic word identifier.' );
+
+ $synonyms = $mw->getSynonyms();
+ $sensitive = intval( $mw->isCaseSensitive() );
+
+ foreach ( $synonyms as $syn ) {
+ # Case
+ if ( !$sensitive ) {
+ $syn = strtolower( $syn );
+ }
+ # Add leading hash
+ if ( !( $flags & SFH_NO_HASH ) ) {
+ $syn = '#' . $syn;
+ }
+ # Remove trailing colon
+ if ( substr( $syn, -1, 1 ) == ':' ) {
+ $syn = substr( $syn, 0, -1 );
+ }
+ $this->mFunctionSynonyms[$sensitive][$syn] = $id;
+ }
+ return $oldVal;
+ }
+
+ /**
+ * Get all registered function hook identifiers
+ *
+ * @return array
+ */
+ function getFunctionHooks() {
+ return array_keys( $this->mFunctionHooks );
+ }
+
+ /**
+ * Replace <!--LINK--> link placeholders with actual links, in the buffer
+ * Placeholders created in Skin::makeLinkObj()
+ * Returns an array of links found, indexed by PDBK:
+ * 0 - broken
+ * 1 - normal link
+ * 2 - stub
+ * $options is a bit field, RLH_FOR_UPDATE to select for update
+ */
+ function replaceLinkHolders( &$text, $options = 0 ) {
+ global $wgUser;
+ global $wgContLang;
+
+ $fname = 'Parser::replaceLinkHolders';
+ wfProfileIn( $fname );
+
+ $pdbks = array();
+ $colours = array();
+ $sk = $this->mOptions->getSkin();
+ $linkCache =& LinkCache::singleton();
+
+ if ( !empty( $this->mLinkHolders['namespaces'] ) ) {
+ wfProfileIn( $fname.'-check' );
+ $dbr = wfGetDB( DB_SLAVE );
+ $page = $dbr->tableName( 'page' );
+ $threshold = $wgUser->getOption('stubthreshold');
+
+ # Sort by namespace
+ asort( $this->mLinkHolders['namespaces'] );
+
+ # Generate query
+ $query = false;
+ $current = null;
+ foreach ( $this->mLinkHolders['namespaces'] as $key => $ns ) {
+ # Make title object
+ $title = $this->mLinkHolders['titles'][$key];
+
+ # Skip invalid entries.
+ # Result will be ugly, but prevents crash.
+ if ( is_null( $title ) ) {
+ continue;
+ }
+ $pdbk = $pdbks[$key] = $title->getPrefixedDBkey();
+
+ # Check if it's a static known link, e.g. interwiki
+ if ( $title->isAlwaysKnown() ) {
+ $colours[$pdbk] = 1;
+ } elseif ( ( $id = $linkCache->getGoodLinkID( $pdbk ) ) != 0 ) {
+ $colours[$pdbk] = 1;
+ $this->mOutput->addLink( $title, $id );
+ } elseif ( $linkCache->isBadLink( $pdbk ) ) {
+ $colours[$pdbk] = 0;
+ } elseif ( $title->getNamespace() == NS_SPECIAL && !SpecialPage::exists( $pdbk ) ) {
+ $colours[$pdbk] = 0;
+ } else {
+ # Not in the link cache, add it to the query
+ if ( !isset( $current ) ) {
+ $current = $ns;
+ $query = "SELECT page_id, page_namespace, page_title";
+ if ( $threshold > 0 ) {
+ $query .= ', page_len, page_is_redirect';
+ }
+ $query .= " FROM $page WHERE (page_namespace=$ns AND page_title IN(";
+ } elseif ( $current != $ns ) {
+ $current = $ns;
+ $query .= ")) OR (page_namespace=$ns AND page_title IN(";
+ } else {
+ $query .= ', ';
+ }
+
+ $query .= $dbr->addQuotes( $this->mLinkHolders['dbkeys'][$key] );
+ }
+ }
+ if ( $query ) {
+ $query .= '))';
+ if ( $options & RLH_FOR_UPDATE ) {
+ $query .= ' FOR UPDATE';
+ }
+
+ $res = $dbr->query( $query, $fname );
+
+ # Fetch data and form into an associative array
+ # non-existent = broken
+ # 1 = known
+ # 2 = stub
+ while ( $s = $dbr->fetchObject($res) ) {
+ $title = Title::makeTitle( $s->page_namespace, $s->page_title );
+ $pdbk = $title->getPrefixedDBkey();
+ $linkCache->addGoodLinkObj( $s->page_id, $title );
+ $this->mOutput->addLink( $title, $s->page_id );
+
+ $colours[$pdbk] = ( $threshold == 0 || (
+ $s->page_len >= $threshold || # always true if $threshold <= 0
+ $s->page_is_redirect ||
+ !Namespace::isContent( $s->page_namespace ) )
+ ? 1 : 2 );
+ }
+ }
+ wfProfileOut( $fname.'-check' );
+
+ # Do a second query for different language variants of links and categories
+ if($wgContLang->hasVariants()){
+ $linkBatch = new LinkBatch();
+ $variantMap = array(); // maps $pdbkey_Variant => $keys (of link holders)
+ $categoryMap = array(); // maps $category_variant => $category (dbkeys)
+ $varCategories = array(); // category replacements oldDBkey => newDBkey
+
+ $categories = $this->mOutput->getCategoryLinks();
+
+ // Add variants of links to link batch
+ foreach ( $this->mLinkHolders['namespaces'] as $key => $ns ) {
+ $title = $this->mLinkHolders['titles'][$key];
+ if ( is_null( $title ) )
+ continue;
+
+ $pdbk = $title->getPrefixedDBkey();
+ $titleText = $title->getText();
+
+ // generate all variants of the link title text
+ $allTextVariants = $wgContLang->convertLinkToAllVariants($titleText);
+
+ // if link was not found (in first query), add all variants to query
+ if ( !isset($colours[$pdbk]) ){
+ foreach($allTextVariants as $textVariant){
+ if($textVariant != $titleText){
+ $variantTitle = Title::makeTitle( $ns, $textVariant );
+ if(is_null($variantTitle)) continue;
+ $linkBatch->addObj( $variantTitle );
+ $variantMap[$variantTitle->getPrefixedDBkey()][] = $key;
+ }
+ }
+ }
+ }
+
+ // process categories, check if a category exists in some variant
+ foreach( $categories as $category ){
+ $variants = $wgContLang->convertLinkToAllVariants($category);
+ foreach($variants as $variant){
+ if($variant != $category){
+ $variantTitle = Title::newFromDBkey( Title::makeName(NS_CATEGORY,$variant) );
+ if(is_null($variantTitle)) continue;
+ $linkBatch->addObj( $variantTitle );
+ $categoryMap[$variant] = $category;
+ }
+ }
+ }
+
+
+ if(!$linkBatch->isEmpty()){
+ // construct query
+ $titleClause = $linkBatch->constructSet('page', $dbr);
+
+ $variantQuery = "SELECT page_id, page_namespace, page_title";
+ if ( $threshold > 0 ) {
+ $variantQuery .= ', page_len, page_is_redirect';
+ }
+
+ $variantQuery .= " FROM $page WHERE $titleClause";
+ if ( $options & RLH_FOR_UPDATE ) {
+ $variantQuery .= ' FOR UPDATE';
+ }
+
+ $varRes = $dbr->query( $variantQuery, $fname );
+
+ // for each found variants, figure out link holders and replace
+ while ( $s = $dbr->fetchObject($varRes) ) {
+
+ $variantTitle = Title::makeTitle( $s->page_namespace, $s->page_title );
+ $varPdbk = $variantTitle->getPrefixedDBkey();
+ $vardbk = $variantTitle->getDBkey();
+
+ $holderKeys = array();
+ if(isset($variantMap[$varPdbk])){
+ $holderKeys = $variantMap[$varPdbk];
+ $linkCache->addGoodLinkObj( $s->page_id, $variantTitle );
+ $this->mOutput->addLink( $variantTitle, $s->page_id );
+ }
+
+ // loop over link holders
+ foreach($holderKeys as $key){
+ $title = $this->mLinkHolders['titles'][$key];
+ if ( is_null( $title ) ) continue;
+
+ $pdbk = $title->getPrefixedDBkey();
+
+ if(!isset($colours[$pdbk])){
+ // found link in some of the variants, replace the link holder data
+ $this->mLinkHolders['titles'][$key] = $variantTitle;
+ $this->mLinkHolders['dbkeys'][$key] = $variantTitle->getDBkey();
+
+ // set pdbk and colour
+ $pdbks[$key] = $varPdbk;
+ if ( $threshold > 0 ) {
+ $size = $s->page_len;
+ if ( $s->page_is_redirect || $s->page_namespace != 0 || $size >= $threshold ) {
+ $colours[$varPdbk] = 1;
+ } else {
+ $colours[$varPdbk] = 2;
+ }
+ }
+ else {
+ $colours[$varPdbk] = 1;
+ }
+ }
+ }
+
+ // check if the object is a variant of a category
+ if(isset($categoryMap[$vardbk])){
+ $oldkey = $categoryMap[$vardbk];
+ if($oldkey != $vardbk)
+ $varCategories[$oldkey]=$vardbk;
+ }
+ }
+
+ // rebuild the categories in original order (if there are replacements)
+ if(count($varCategories)>0){
+ $newCats = array();
+ $originalCats = $this->mOutput->getCategories();
+ foreach($originalCats as $cat => $sortkey){
+ // make the replacement
+ if( array_key_exists($cat,$varCategories) )
+ $newCats[$varCategories[$cat]] = $sortkey;
+ else $newCats[$cat] = $sortkey;
+ }
+ $this->mOutput->setCategoryLinks($newCats);
+ }
+ }
+ }
+
+ # Construct search and replace arrays
+ wfProfileIn( $fname.'-construct' );
+ $replacePairs = array();
+ foreach ( $this->mLinkHolders['namespaces'] as $key => $ns ) {
+ $pdbk = $pdbks[$key];
+ $searchkey = "<!--LINK $key-->";
+ $title = $this->mLinkHolders['titles'][$key];
+ if ( empty( $colours[$pdbk] ) ) {
+ $linkCache->addBadLinkObj( $title );
+ $colours[$pdbk] = 0;
+ $this->mOutput->addLink( $title, 0 );
+ $replacePairs[$searchkey] = $sk->makeBrokenLinkObj( $title,
+ $this->mLinkHolders['texts'][$key],
+ $this->mLinkHolders['queries'][$key] );
+ } elseif ( $colours[$pdbk] == 1 ) {
+ $replacePairs[$searchkey] = $sk->makeKnownLinkObj( $title,
+ $this->mLinkHolders['texts'][$key],
+ $this->mLinkHolders['queries'][$key] );
+ } elseif ( $colours[$pdbk] == 2 ) {
+ $replacePairs[$searchkey] = $sk->makeStubLinkObj( $title,
+ $this->mLinkHolders['texts'][$key],
+ $this->mLinkHolders['queries'][$key] );
+ }
+ }
+ $replacer = new HashtableReplacer( $replacePairs, 1 );
+ wfProfileOut( $fname.'-construct' );
+
+ # Do the thing
+ wfProfileIn( $fname.'-replace' );
+ $text = preg_replace_callback(
+ '/(<!--LINK .*?-->)/',
+ $replacer->cb(),
+ $text);
+
+ wfProfileOut( $fname.'-replace' );
+ }
+
+ # Now process interwiki link holders
+ # This is quite a bit simpler than internal links
+ if ( !empty( $this->mInterwikiLinkHolders['texts'] ) ) {
+ wfProfileIn( $fname.'-interwiki' );
+ # Make interwiki link HTML
+ $replacePairs = array();
+ foreach( $this->mInterwikiLinkHolders['texts'] as $key => $link ) {
+ $title = $this->mInterwikiLinkHolders['titles'][$key];
+ $replacePairs[$key] = $sk->makeLinkObj( $title, $link );
+ }
+ $replacer = new HashtableReplacer( $replacePairs, 1 );
+
+ $text = preg_replace_callback(
+ '/<!--IWLINK (.*?)-->/',
+ $replacer->cb(),
+ $text );
+ wfProfileOut( $fname.'-interwiki' );
+ }
+
+ wfProfileOut( $fname );
+ return $colours;
+ }
+
+ /**
+ * Replace <!--LINK--> link placeholders with plain text of links
+ * (not HTML-formatted).
+ * @param string $text
+ * @return string
+ */
+ function replaceLinkHoldersText( $text ) {
+ $fname = 'Parser::replaceLinkHoldersText';
+ wfProfileIn( $fname );
+
+ $text = preg_replace_callback(
+ '/<!--(LINK|IWLINK) (.*?)-->/',
+ array( &$this, 'replaceLinkHoldersTextCallback' ),
+ $text );
+
+ wfProfileOut( $fname );
+ return $text;
+ }
+
+ /**
+ * @param array $matches
+ * @return string
+ * @private
+ */
+ function replaceLinkHoldersTextCallback( $matches ) {
+ $type = $matches[1];
+ $key = $matches[2];
+ if( $type == 'LINK' ) {
+ if( isset( $this->mLinkHolders['texts'][$key] ) ) {
+ return $this->mLinkHolders['texts'][$key];
+ }
+ } elseif( $type == 'IWLINK' ) {
+ if( isset( $this->mInterwikiLinkHolders['texts'][$key] ) ) {
+ return $this->mInterwikiLinkHolders['texts'][$key];
+ }
+ }
+ return $matches[0];
+ }
+
+ /**
+ * Tag hook handler for 'pre'.
+ */
+ function renderPreTag( $text, $attribs ) {
+ // Backwards-compatibility hack
+ $content = StringUtils::delimiterReplace( '<nowiki>', '</nowiki>', '$1', $text, 'i' );
+
+ $attribs = Sanitizer::validateTagAttributes( $attribs, 'pre' );
+ return wfOpenElement( 'pre', $attribs ) .
+ Xml::escapeTagsOnly( $content ) .
+ '</pre>';
+ }
+
+ /**
+ * Renders an image gallery from a text with one line per image.
+ * text labels may be given by using |-style alternative text. E.g.
+ * Image:one.jpg|The number "1"
+ * Image:tree.jpg|A tree
+ * given as text will return the HTML of a gallery with two images,
+ * labeled 'The number "1"' and
+ * 'A tree'.
+ */
+ function renderImageGallery( $text, $params ) {
+ $ig = new ImageGallery();
+ $ig->setContextTitle( $this->mTitle );
+ $ig->setShowBytes( false );
+ $ig->setShowFilename( false );
+ $ig->setParser( $this );
+ $ig->setHideBadImages();
+ $ig->setAttributes( Sanitizer::validateTagAttributes( $params, 'table' ) );
+ $ig->useSkin( $this->mOptions->getSkin() );
+ $ig->mRevisionId = $this->mRevisionId;
+
+ if( isset( $params['caption'] ) ) {
+ $caption = $params['caption'];
+ $caption = htmlspecialchars( $caption );
+ $caption = $this->replaceInternalLinks( $caption );
+ $ig->setCaptionHtml( $caption );
+ }
+ if( isset( $params['perrow'] ) ) {
+ $ig->setPerRow( $params['perrow'] );
+ }
+ if( isset( $params['widths'] ) ) {
+ $ig->setWidths( $params['widths'] );
+ }
+ if( isset( $params['heights'] ) ) {
+ $ig->setHeights( $params['heights'] );
+ }
+
+ wfRunHooks( 'BeforeParserrenderImageGallery', array( &$this, &$ig ) );
+
+ $lines = explode( "\n", $text );
+ foreach ( $lines as $line ) {
+ # match lines like these:
+ # Image:someimage.jpg|This is some image
+ $matches = array();
+ preg_match( "/^([^|]+)(\\|(.*))?$/", $line, $matches );
+ # Skip empty lines
+ if ( count( $matches ) == 0 ) {
+ continue;
+ }
+ $tp = Title::newFromText( $matches[1] );
+ $nt =& $tp;
+ if( is_null( $nt ) ) {
+ # Bogus title. Ignore these so we don't bomb out later.
+ continue;
+ }
+ if ( isset( $matches[3] ) ) {
+ $label = $matches[3];
+ } else {
+ $label = '';
+ }
+
+ $pout = $this->parse( $label,
+ $this->mTitle,
+ $this->mOptions,
+ false, // Strip whitespace...?
+ false // Don't clear state!
+ );
+ $html = $pout->getText();
+
+ $ig->add( $nt, $html );
+
+ # Only add real images (bug #5586)
+ if ( $nt->getNamespace() == NS_IMAGE ) {
+ $this->mOutput->addImage( $nt->getDBkey() );
+ }
+ }
+ return $ig->toHTML();
+ }
+
+ function getImageParams( $handler ) {
+ if ( $handler ) {
+ $handlerClass = get_class( $handler );
+ } else {
+ $handlerClass = '';
+ }
+ if ( !isset( $this->mImageParams[$handlerClass] ) ) {
+ // Initialise static lists
+ static $internalParamNames = array(
+ 'horizAlign' => array( 'left', 'right', 'center', 'none' ),
+ 'vertAlign' => array( 'baseline', 'sub', 'super', 'top', 'text-top', 'middle',
+ 'bottom', 'text-bottom' ),
+ 'frame' => array( 'thumbnail', 'manualthumb', 'framed', 'frameless',
+ 'upright', 'border' ),
+ );
+ static $internalParamMap;
+ if ( !$internalParamMap ) {
+ $internalParamMap = array();
+ foreach ( $internalParamNames as $type => $names ) {
+ foreach ( $names as $name ) {
+ $magicName = str_replace( '-', '_', "img_$name" );
+ $internalParamMap[$magicName] = array( $type, $name );
+ }
+ }
+ }
+
+ // Add handler params
+ $paramMap = $internalParamMap;
+ if ( $handler ) {
+ $handlerParamMap = $handler->getParamMap();
+ foreach ( $handlerParamMap as $magic => $paramName ) {
+ $paramMap[$magic] = array( 'handler', $paramName );
+ }
+ }
+ $this->mImageParams[$handlerClass] = $paramMap;
+ $this->mImageParamsMagicArray[$handlerClass] = new MagicWordArray( array_keys( $paramMap ) );
+ }
+ return array( $this->mImageParams[$handlerClass], $this->mImageParamsMagicArray[$handlerClass] );
+ }
+
+ /**
+ * Parse image options text and use it to make an image
+ */
+ function makeImage( $title, $options ) {
+ # @TODO: let the MediaHandler specify its transform parameters
+ #
+ # Check if the options text is of the form "options|alt text"
+ # Options are:
+ # * thumbnail make a thumbnail with enlarge-icon and caption, alignment depends on lang
+ # * left no resizing, just left align. label is used for alt= only
+ # * right same, but right aligned
+ # * none same, but not aligned
+ # * ___px scale to ___ pixels width, no aligning. e.g. use in taxobox
+ # * center center the image
+ # * framed Keep original image size, no magnify-button.
+ # * frameless like 'thumb' but without a frame. Keeps user preferences for width
+ # * upright reduce width for upright images, rounded to full __0 px
+ # * border draw a 1px border around the image
+ # vertical-align values (no % or length right now):
+ # * baseline
+ # * sub
+ # * super
+ # * top
+ # * text-top
+ # * middle
+ # * bottom
+ # * text-bottom
+
+ $parts = array_map( 'trim', explode( '|', $options) );
+ $sk = $this->mOptions->getSkin();
+
+ # Give extensions a chance to select the file revision for us
+ $skip = $time = false;
+ wfRunHooks( 'BeforeParserMakeImageLinkObj', array( &$this, &$title, &$skip, &$time ) );
+
+ if ( $skip ) {
+ return $sk->makeLinkObj( $title );
+ }
+
+ # Get parameter map
+ $file = wfFindFile( $title, $time );
+ $handler = $file ? $file->getHandler() : false;
+
+ list( $paramMap, $mwArray ) = $this->getImageParams( $handler );
+
+ # Process the input parameters
+ $caption = '';
+ $params = array( 'frame' => array(), 'handler' => array(),
+ 'horizAlign' => array(), 'vertAlign' => array() );
+ foreach( $parts as $part ) {
+ list( $magicName, $value ) = $mwArray->matchVariableStartToEnd( $part );
+ if ( isset( $paramMap[$magicName] ) ) {
+ list( $type, $paramName ) = $paramMap[$magicName];
+ $params[$type][$paramName] = $value;
+
+ // Special case; width and height come in one variable together
+ if( $type == 'handler' && $paramName == 'width' ) {
+ $m = array();
+ if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $value, $m ) ) {
+ $params[$type]['width'] = intval( $m[1] );
+ $params[$type]['height'] = intval( $m[2] );
+ } else {
+ $params[$type]['width'] = intval( $value );
+ }
+ }
+ } else {
+ $caption = $part;
+ }
+ }
+
+ # Process alignment parameters
+ if ( $params['horizAlign'] ) {
+ $params['frame']['align'] = key( $params['horizAlign'] );
+ }
+ if ( $params['vertAlign'] ) {
+ $params['frame']['valign'] = key( $params['vertAlign'] );
+ }
+
+ # Validate the handler parameters
+ if ( $handler ) {
+ foreach ( $params['handler'] as $name => $value ) {
+ if ( !$handler->validateParam( $name, $value ) ) {
+ unset( $params['handler'][$name] );
+ }
+ }
+ }
+
+ # Strip bad stuff out of the alt text
+ $alt = $this->replaceLinkHoldersText( $caption );
+
+ # make sure there are no placeholders in thumbnail attributes
+ # that are later expanded to html- so expand them now and
+ # remove the tags
+ $alt = $this->mStripState->unstripBoth( $alt );
+ $alt = Sanitizer::stripAllTags( $alt );
+
+ $params['frame']['alt'] = $alt;
+ $params['frame']['caption'] = $caption;
+
+ # Linker does the rest
+ $ret = $sk->makeImageLink2( $title, $file, $params['frame'], $params['handler'] );
+
+ # Give the handler a chance to modify the parser object
+ if ( $handler ) {
+ $handler->parserTransformHook( $this, $file );
+ }
+
+ return $ret;
+ }
+
+ /**
+ * Set a flag in the output object indicating that the content is dynamic and
+ * shouldn't be cached.
+ */
+ function disableCache() {
+ wfDebug( "Parser output marked as uncacheable.\n" );
+ $this->mOutput->mCacheTime = -1;
+ }
+
+ /**#@+
+ * Callback from the Sanitizer for expanding items found in HTML attribute
+ * values, so they can be safely tested and escaped.
+ * @param string $text
+ * @param array $args
+ * @return string
+ * @private
+ */
+ function attributeStripCallback( &$text, $args ) {
+ $text = $this->replaceVariables( $text, $args );
+ $text = $this->mStripState->unstripBoth( $text );
+ return $text;
+ }
+
+ /**#@-*/
+
+ /**#@+
+ * Accessor/mutator
+ */
+ function Title( $x = NULL ) { return wfSetVar( $this->mTitle, $x ); }
+ function Options( $x = NULL ) { return wfSetVar( $this->mOptions, $x ); }
+ function OutputType( $x = NULL ) { return wfSetVar( $this->mOutputType, $x ); }
+ /**#@-*/
+
+ /**#@+
+ * Accessor
+ */
+ function getTags() { return array_merge( array_keys($this->mTransparentTagHooks), array_keys( $this->mTagHooks ) ); }
+ /**#@-*/
+
+
+ /**
+ * Break wikitext input into sections, and either pull or replace
+ * some particular section's text.
+ *
+ * External callers should use the getSection and replaceSection methods.
+ *
+ * @param $text Page wikitext
+ * @param $section Numbered section. 0 pulls the text before the first
+ * heading; other numbers will pull the given section
+ * along with its lower-level subsections.
+ * @param $mode One of "get" or "replace"
+ * @param $newtext Replacement text for section data.
+ * @return string for "get", the extracted section text.
+ * for "replace", the whole page with the section replaced.
+ */
+ private function extractSections( $text, $section, $mode, $newtext='' ) {
+ # I.... _hope_ this is right.
+ # Otherwise, sometimes we don't have things initialized properly.
+ $this->clearState();
+
+ # strip NOWIKI etc. to avoid confusion (true-parameter causes HTML
+ # comments to be stripped as well)
+ $stripState = new StripState;
+
+ $oldOutputType = $this->mOutputType;
+ $oldOptions = $this->mOptions;
+ $this->mOptions = new ParserOptions();
+ $this->setOutputType( OT_WIKI );
+
+ $striptext = $this->strip( $text, $stripState, true );
+
+ $this->setOutputType( $oldOutputType );
+ $this->mOptions = $oldOptions;
+
+ # now that we can be sure that no pseudo-sections are in the source,
+ # split it up by section
+ $uniq = preg_quote( $this->uniqPrefix(), '/' );
+ $comment = "(?:$uniq-!--.*?QINU\x07)";
+ $secs = preg_split(
+ "/
+ (
+ ^
+ (?:$comment|<\/?noinclude>)* # Initial comments will be stripped
+ (=+) # Should this be limited to 6?
+ .+? # Section title...
+ \\2 # Ending = count must match start
+ (?:$comment|<\/?noinclude>|[ \\t]+)* # Trailing whitespace ok
+ $
+ |
+ <h([1-6])\b.*?>
+ .*?
+ <\/h\\3\s*>
+ )
+ /mix",
+ $striptext, -1,
+ PREG_SPLIT_DELIM_CAPTURE);
+
+ if( $mode == "get" ) {
+ if( $section == 0 ) {
+ // "Section 0" returns the content before any other section.
+ $rv = $secs[0];
+ } else {
+ //track missing section, will replace if found.
+ $rv = $newtext;
+ }
+ } elseif( $mode == "replace" ) {
+ if( $section == 0 ) {
+ $rv = $newtext . "\n\n";
+ $remainder = true;
+ } else {
+ $rv = $secs[0];
+ $remainder = false;
+ }
+ }
+ $count = 0;
+ $sectionLevel = 0;
+ for( $index = 1; $index < count( $secs ); ) {
+ $headerLine = $secs[$index++];
+ if( $secs[$index] ) {
+ // A wiki header
+ $headerLevel = strlen( $secs[$index++] );
+ } else {
+ // An HTML header
+ $index++;
+ $headerLevel = intval( $secs[$index++] );
+ }
+ $content = $secs[$index++];
+
+ $count++;
+ if( $mode == "get" ) {
+ if( $count == $section ) {
+ $rv = $headerLine . $content;
+ $sectionLevel = $headerLevel;
+ } elseif( $count > $section ) {
+ if( $sectionLevel && $headerLevel > $sectionLevel ) {
+ $rv .= $headerLine . $content;
+ } else {
+ // Broke out to a higher-level section
+ break;
+ }
+ }
+ } elseif( $mode == "replace" ) {
+ if( $count < $section ) {
+ $rv .= $headerLine . $content;
+ } elseif( $count == $section ) {
+ $rv .= $newtext . "\n\n";
+ $sectionLevel = $headerLevel;
+ } elseif( $count > $section ) {
+ if( $headerLevel <= $sectionLevel ) {
+ // Passed the section's sub-parts.
+ $remainder = true;
+ }
+ if( $remainder ) {
+ $rv .= $headerLine . $content;
+ }
+ }
+ }
+ }
+ if (is_string($rv))
+ # reinsert stripped tags
+ $rv = trim( $stripState->unstripBoth( $rv ) );
+
+ return $rv;
+ }
+
+ /**
+ * This function returns the text of a section, specified by a number ($section).
+ * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
+ * the first section before any such heading (section 0).
+ *
+ * If a section contains subsections, these are also returned.
+ *
+ * @param $text String: text to look in
+ * @param $section Integer: section number
+ * @param $deftext: default to return if section is not found
+ * @return string text of the requested section
+ */
+ public function getSection( $text, $section, $deftext='' ) {
+ return $this->extractSections( $text, $section, "get", $deftext );
+ }
+
+ public function replaceSection( $oldtext, $section, $text ) {
+ return $this->extractSections( $oldtext, $section, "replace", $text );
+ }
+
+ /**
+ * Get the timestamp associated with the current revision, adjusted for
+ * the default server-local timestamp
+ */
+ function getRevisionTimestamp() {
+ if ( is_null( $this->mRevisionTimestamp ) ) {
+ wfProfileIn( __METHOD__ );
+ global $wgContLang;
+ $dbr = wfGetDB( DB_SLAVE );
+ $timestamp = $dbr->selectField( 'revision', 'rev_timestamp',
+ array( 'rev_id' => $this->mRevisionId ), __METHOD__ );
+
+ // Normalize timestamp to internal MW format for timezone processing.
+ // This has the added side-effect of replacing a null value with
+ // the current time, which gives us more sensible behavior for
+ // previews.
+ $timestamp = wfTimestamp( TS_MW, $timestamp );
+
+ // The cryptic '' timezone parameter tells to use the site-default
+ // timezone offset instead of the user settings.
+ //
+ // Since this value will be saved into the parser cache, served
+ // to other users, and potentially even used inside links and such,
+ // it needs to be consistent for all visitors.
+ $this->mRevisionTimestamp = $wgContLang->userAdjust( $timestamp, '' );
+
+ wfProfileOut( __METHOD__ );
+ }
+ return $this->mRevisionTimestamp;
+ }
+
+ /**
+ * Mutator for $mDefaultSort
+ *
+ * @param $sort New value
+ */
+ public function setDefaultSort( $sort ) {
+ $this->mDefaultSort = $sort;
+ }
+
+ /**
+ * Accessor for $mDefaultSort
+ * Will use the title/prefixed title if none is set
+ *
+ * @return string
+ */
+ public function getDefaultSort() {
+ if( $this->mDefaultSort !== false ) {
+ return $this->mDefaultSort;
+ } else {
+ return $this->mTitle->getNamespace() == NS_CATEGORY
+ ? $this->mTitle->getText()
+ : $this->mTitle->getPrefixedText();
+ }
+ }
+
+ /**
+ * Try to guess the section anchor name based on a wikitext fragment
+ * presumably extracted from a heading, for example "Header" from
+ * "== Header ==".
+ */
+ public function guessSectionNameFromWikiText( $text ) {
+ # Strip out wikitext links(they break the anchor)
+ $text = $this->stripSectionName( $text );
+ $headline = Sanitizer::decodeCharReferences( $text );
+ # strip out HTML
+ $headline = StringUtils::delimiterReplace( '<', '>', '', $headline );
+ $headline = trim( $headline );
+ $sectionanchor = '#' . urlencode( str_replace( ' ', '_', $headline ) );
+ $replacearray = array(
+ '%3A' => ':',
+ '%' => '.'
+ );
+ return str_replace(
+ array_keys( $replacearray ),
+ array_values( $replacearray ),
+ $sectionanchor );
+ }
+
+ /**
+ * Strips a text string of wikitext for use in a section anchor
+ *
+ * Accepts a text string and then removes all wikitext from the
+ * string and leaves only the resultant text (i.e. the result of
+ * [[User:WikiSysop|Sysop]] would be "Sysop" and the result of
+ * [[User:WikiSysop]] would be "User:WikiSysop") - this is intended
+ * to create valid section anchors by mimicing the output of the
+ * parser when headings are parsed.
+ *
+ * @param $text string Text string to be stripped of wikitext
+ * for use in a Section anchor
+ * @return Filtered text string
+ */
+ public function stripSectionName( $text ) {
+ # Strip internal link markup
+ $text = preg_replace('/\[\[:?([^[|]+)\|([^[]+)\]\]/','$2',$text);
+ $text = preg_replace('/\[\[:?([^[]+)\|?\]\]/','$1',$text);
+
+ # Strip external link markup (FIXME: Not Tolerant to blank link text
+ # I.E. [http://www.mediawiki.org] will render as [1] or something depending
+ # on how many empty links there are on the page - need to figure that out.
+ $text = preg_replace('/\[(?:' . wfUrlProtocols() . ')([^ ]+?) ([^[]+)\]/','$2',$text);
+
+ # Parse wikitext quotes (italics & bold)
+ $text = $this->doQuotes($text);
+
+ # Strip HTML tags
+ $text = StringUtils::delimiterReplace( '<', '>', '', $text );
+ return $text;
+ }
+
+ /**
+ * strip/replaceVariables/unstrip for preprocessor regression testing
+ */
+ function srvus( $text ) {
+ $text = $this->strip( $text, $this->mStripState );
+ $text = $this->replaceVariables( $text );
+ $text = preg_replace( '/<!--MWTEMPLATESECTION.*?-->/', '', $text );
+ $text = $this->mStripState->unstripBoth( $text );
+ return $text;
+ }
+}
+
dépôts / lhc / web / wiklou.git / commitdiff