<?php
# See title.doc
-/* private static */ $title_interwiki_cache = array();
+$wgTitleInterwikiCache = array();
# Title class
#
# Only null or "sysop" are supported
var $mRestrictionsLoaded; # Boolean for initialisation on demand
var $mPrefixedText; # Text form including namespace/interwiki, initialised on demand
-
+ var $mDefaultNamespace; # Namespace index when there is no namespace
+ # Zero except in {{transclusion}} tags
+
#----------------------------------------------------------------------------
# Construction
#----------------------------------------------------------------------------
$this->mNamespace = 0;
$this->mRestrictionsLoaded = false;
$this->mRestrictions = array();
+ $this->mDefaultNamespace = 0;
}
# From a prefixed DB key
}
# From text, such as what you would find in a link
- /* static */ function newFromText( $text )
+ /* static */ function newFromText( $text, $defaultNamespace = 0 )
{
- static $trans;
$fname = "Title::newFromText";
wfProfileIn( $fname );
-
- # Note - mixing latin1 named entities and unicode numbered
- # ones will result in a bad link.
- if( !isset( $trans ) ) {
- global $wgInputEncoding;
- $trans = array_flip( get_html_translation_table( HTML_ENTITIES ) );
- if( strcasecmp( "utf-8", $wgInputEncoding ) == 0 ) {
- $trans = array_map( "utf8_encode", $trans );
- }
+
+ if( is_object( $text ) ) {
+ wfDebugDieBacktrace( "Called with object instead of string." );
}
+ global $wgInputEncoding;
+ $text = do_html_entity_decode( $text, ENT_COMPAT, $wgInputEncoding );
- $text = strtr( $text, $trans );
-
$text = wfMungeToUtf8( $text );
$t = new Title();
$t->mDbkeyform = str_replace( " ", "_", $text );
+ $t->mDefaultNamespace = $defaultNamespace;
+
wfProfileOut( $fname );
+ if ( !is_object( $t ) ) {
+ var_dump( debug_backtrace() );
+ }
if( $t->secureAndSplit() ) {
return $t;
} else {
# From a URL-encoded title
/* static */ function newFromURL( $url )
{
- global $wgLang, $wgServer;
+ global $wgLang, $wgServer, $wgIsMySQL, $wgIsPg;
$t = new Title();
- $s = urldecode( $url ); # This is technically wrong, as anything
- # we've gotten is already decoded by PHP.
- # Kept for backwards compatibility with
- # buggy URLs we had for a while...
- $s = $url;
+
+ # For compatibility with old buggy URLs. "+" is not valid in titles,
+ # but some URLs used it as a space replacement and they still come
+ # from some external search tools.
+ $s = str_replace( "+", " ", $url );
# For links that came from outside, check for alternate/legacy
# character encoding.
- wfDebug( "Refer: {$_SERVER['HTTP_REFERER']}\n" );
wfDebug( "Servr: $wgServer\n" );
if( empty( $_SERVER["HTTP_REFERER"] ) ||
strncmp($wgServer, $_SERVER["HTTP_REFERER"], strlen( $wgServer ) ) )
{
$s = $wgLang->checkTitleEncoding( $s );
+ } else {
+ wfDebug( "Refer: {$_SERVER['HTTP_REFERER']}\n" );
}
$t->mDbkeyform = str_replace( " ", "_", $s );
if( $t->secureAndSplit() ) {
+ # check that lenght of title is < cur_title size
+ if ($wgIsMySQL) {
+ $sql = "SHOW COLUMNS FROM cur LIKE \"cur_title\";";
+ $cur_title_object = wfFetchObject(wfQuery( $sql, DB_READ ));
+
+ preg_match( "/\((.*)\)/", $cur_title_object->Type, $cur_title_type);
+ $cur_title_size=$cur_title_type[1];
+ } else {
+ /* midom:FIXME pg_field_type does not return varchar length
+ assume 255 */
+ $cur_title_size=255;
+ }
+
+ if (strlen($t->mDbkeyform) > $cur_title_size ) {
+ return NULL;
+ }
+
return $t;
} else {
return NULL;
# Missing characters:
# * []|# Needed for link syntax
# * % and + are corrupted by Apache when they appear in the path
+ # * % seems to work though
#
# Theoretically 0x80-0x9F of ISO 8859-1 should be disallowed, but
# this breaks interlanguage links
- $set = " !\"$&'()*,\\-.\\/0-9:;<=>?@A-Z\\\\^_`a-z{}~\\x80-\\xFF";
+ $set = " %!\"$&'()*,\\-.\\/0-9:;<=>?@A-Z\\\\^_`a-z{}~\\x80-\\xFF";
return $set;
}
# The URL contains $1, which is replaced by the title
function getInterwikiLink( $key )
{
- global $wgMemc, $wgDBname, $title_interwiki_cache;
+ global $wgMemc, $wgDBname, $wgInterwikiExpiry;
+ static $wgTitleInterwikiCache = array();
+
$k = "$wgDBname:interwiki:$key";
- if( array_key_exists( $k, $title_interwiki_cache ) )
- return $title_interwiki_cache[$k]->iw_url;
+ if( array_key_exists( $k, $wgTitleInterwikiCache ) )
+ return $wgTitleInterwikiCache[$k]->iw_url;
$s = $wgMemc->get( $k );
- if( $s ) {
- $title_interwiki_cache[$k] = $s;
+ # Ignore old keys with no iw_local
+ if( $s && isset( $s->iw_local ) ) {
+ $wgTitleInterwikiCache[$k] = $s;
return $s->iw_url;
}
$dkey = wfStrencode( $key );
- $query = "SELECT iw_url FROM interwiki WHERE iw_prefix='$dkey'";
+ $query = "SELECT iw_url,iw_local FROM interwiki WHERE iw_prefix='$dkey'";
$res = wfQuery( $query, DB_READ, "Title::getInterwikiLink" );
if(!$res) return "";
$s = (object)false;
$s->iw_url = "";
}
- $wgMemc->set( $k, $s );
- $title_interwiki_cache[$k] = $s;
+ $wgMemc->set( $k, $s, $wgInterwikiExpiry );
+ $wgTitleInterwikiCache[$k] = $s;
return $s->iw_url;
}
-
+
+ function isLocal() {
+ global $wgTitleInterwikiCache, $wgDBname;
+
+ if ( $this->mInterwiki != "" ) {
+ # Make sure key is loaded into cache
+ $this->getInterwikiLink( $this->mInterwiki );
+ $k = "$wgDBname:interwiki:" . $this->mInterwiki;
+ return (bool)($wgTitleInterwikiCache[$k]->iw_local);
+ } else {
+ return true;
+ }
+ }
+
+ # Update the cur_touched field for an array of title objects
+ # Inefficient unless the IDs are already loaded into the link cache
+ /* static */ function touchArray( $titles, $timestamp = "" ) {
+ if ( count( $titles ) == 0 ) {
+ return;
+ }
+ if ( $timestamp == "" ) {
+ $timestamp = wfTimestampNow();
+ }
+ $sql = "UPDATE cur SET cur_touched='{$timestamp}' WHERE cur_id IN (";
+ $first = true;
+
+ foreach ( $titles as $title ) {
+ if ( ! $first ) {
+ $sql .= ",";
+ }
+
+ $first = false;
+ $sql .= $title->getArticleID();
+ }
+ $sql .= ")";
+ if ( ! $first ) {
+ wfQuery( $sql, DB_WRITE, "Title::touchArray" );
+ }
+ }
+
#----------------------------------------------------------------------------
# Other stuff
#----------------------------------------------------------------------------
function setNamespace( $n ) { $this->mNamespace = $n; }
function getInterwiki() { return $this->mInterwiki; }
function getFragment() { return $this->mFragment; }
+ function getDefaultNamespace() { return $this->mDefaultNamespace; }
# Get title for search index
function getIndexTitle()
function userCanEdit()
{
global $wgUser;
-
if ( -1 == $this->mNamespace ) { return false; }
+ if ( NS_MEDIAWIKI == $this->mNamespace && !$wgUser->isSysop() ) { return false; }
# if ( 0 == $this->getArticleID() ) { return false; }
if ( $this->mDbkeyform == "_" ) { return false; }
-
+ # protect global styles and js
+ if ( NS_MEDIAWIKI == $this->mNamespace
+ && preg_match("/\\.(css|js)$/", $this->mTextform )
+ && !$wgUser->isSysop() )
+ { return false; }
+ //if ( $this->isCssJsSubpage() and !$this->userCanEditCssJsSubpage() ) { return false; }
+ # protect css/js subpages of user pages
+ # XXX: this might be better using restrictions
+ # XXX: Find a way to work around the php bug that prevents using $this->userCanEditCssJsSubpage() from working
+ if( Namespace::getUser() == $this->mNamespace
+ and preg_match("/\\.(css|js)$/", $this->mTextform )
+ and !$wgUser->isSysop()
+ and !preg_match("/^".preg_quote($wgUser->getName(), '/')."/", $this->mTextform) )
+ { return false; }
$ur = $wgUser->getRights();
foreach ( $this->getRestrictions() as $r ) {
if ( "" != $r && ( ! in_array( $r, $ur ) ) ) {
}
return true;
}
+
+ function userCanRead() {
+ global $wgUser;
+ global $wgWhitelistRead;
+
+ if( 0 != $wgUser->getID() ) return true;
+ if( !is_array( $wgWhitelistRead ) ) return true;
+
+ $name = $this->getPrefixedText();
+ if( in_array( $name, $wgWhitelistRead ) ) return true;
+
+ # Compatibility with old settings
+ if( $this->getNamespace() == NS_ARTICLE ) {
+ if( in_array( ":" . $name, $wgWhitelistRead ) ) return true;
+ }
+ return false;
+ }
+
+ function isCssJsSubpage() {
+ return ( Namespace::getUser() == $this->mNamespace and preg_match("/\\.(css|js)$/", $this->mTextform ) );
+ }
+ function isCssSubpage() {
+ return ( Namespace::getUser() == $this->mNamespace and preg_match("/\\.css$/", $this->mTextform ) );
+ }
+ function isJsSubpage() {
+ return ( Namespace::getUser() == $this->mNamespace and preg_match("/\\.js$/", $this->mTextform ) );
+ }
+ function userCanEditCssJsSubpage() {
+ # protect css/js subpages of user pages
+ # XXX: this might be better using restrictions
+ global $wgUser;
+ return ( $wgUser->isSysop() or preg_match("/^".preg_quote($wgUser->getName())."/", $this->mTextform) );
+ }
# Accessor/initialisation for mRestrictions
function getRestrictions()
#
/* private */ function secureAndSplit()
{
- global $wgLang, $wgLocalInterwiki;
+ global $wgLang, $wgLocalInterwiki, $wgCapitalLinks;
$fname = "Title::secureAndSplit";
wfProfileIn( $fname );
# Initialisation
if ( $imgpre === false ) {
$imgpre = ":" . $wgLang->getNsText( Namespace::getImage() ) . ":";
+ # % is needed as well
$rxTc = "/[^" . Title::legalChars() . "]/";
}
-
$this->mInterwiki = $this->mFragment = "";
- $this->mNamespace = 0;
+ $this->mNamespace = $this->mDefaultNamespace; # Usually NS_MAIN
# Clean up whitespace
#
$t = preg_replace( "/[\\s_]+/", "_", $this->mDbkeyform );
- if ( "_" == $t{0} ) {
- $t = substr( $t, 1 );
- }
- $l = strlen( $t );
- if ( $l && ( "_" == $t{$l-1} ) ) {
- $t = substr( $t, 0, $l-1 );
- }
+ $t = preg_replace( '/^_*(.*?)_*$/', '$1', $t );
+
if ( "" == $t ) {
wfProfileOut( $fname );
return false;
$t = substr( $t, 1 );
}
- # Redundant initial colon
+ # Initial colon indicating main namespace
if ( ":" == $t{0} ) {
$r = substr( $t, 1 );
+ $this->mNamespace = NS_MAIN;
} else {
# Namespace or interwiki prefix
- if ( preg_match( "/^((?:i|x|[a-z]{2,3})(?:-[a-z0-9]+)?|[A-Za-z0-9_\\x80-\\xff]+):_*(.*)$/", $t, $m ) ) {
+ if ( preg_match( "/^((?:i|x|[a-z]{2,3})(?:-[a-z0-9]+)?|[A-Za-z0-9_\\x80-\\xff]+?)_*:_*(.*)$/", $t, $m ) ) {
#$p = strtolower( $m[1] );
$p = $m[1];
- if ( $ns = $wgLang->getNsIndex( strtolower( $p ) )) {
+ $lowerNs = strtolower( $p );
+ if ( $ns = Namespace::getCanonicalIndex( $lowerNs ) ) {
+ # Canonical namespace
+ $t = $m[2];
+ $this->mNamespace = $ns;
+ } elseif ( $ns = $wgLang->getNsIndex( $lowerNs )) {
# Ordinary namespace
$t = $m[2];
$this->mNamespace = $ns;
return false;
}
- # "." and ".." conflict with the directories of those names
- if ( $r === "." || $r === ".." ) {
+ # "." and ".." conflict with the directories of those namesa
+ if ( $r === "." || $r === ".." || strpos( $r, "./" ) !== false ) {
return false;
}
# Initial capital letter
- if( $this->mInterwiki == "") $t = $wgLang->ucfirst( $r );
+ if( $wgCapitalLinks && $this->mInterwiki == "") {
+ $t = $wgLang->ucfirst( $r );
+ }
# Fill fields
$this->mDbkeyform = $t;
function getSubjectPage() {
return Title::makeTitle( Namespace::getSubject( $this->getNamespace() ), $this->getDBkey() );
}
+
+ # Get an array of Title objects linking to this title
+ # Also stores the IDs in the link cache
+ function getLinksTo() {
+ global $wgLinkCache;
+ $id = $this->getArticleID();
+ $sql = "SELECT cur_namespace,cur_title,cur_id FROM cur,links WHERE l_from=cur_id AND l_to={$id}";
+ $res = wfQuery( $sql, DB_READ, "Title::getLinksTo" );
+ $retVal = array();
+ if ( wfNumRows( $res ) ) {
+ while ( $row = wfFetchObject( $res ) ) {
+ if ( $titleObj = Title::makeTitle( $row->cur_namespace, $row->cur_title ) ) {
+ $wgLinkCache->addGoodLink( $row->cur_id, $titleObj->getPrefixedDBkey() );
+ $retVal[] = $titleObj;
+ }
+ }
+ }
+ wfFreeResult( $res );
+ return $retVal;
+ }
+
+ # Get an array of Title objects linking to this non-existent title
+ # Also stores the IDs in the link cache
+ function getBrokenLinksTo() {
+ global $wgLinkCache;
+ $encTitle = wfStrencode( $this->getPrefixedDBkey() );
+ $sql = "SELECT cur_namespace,cur_title,cur_id FROM brokenlinks,cur " .
+ "WHERE bl_from=cur_id AND bl_to='$encTitle'";
+ $res = wfQuery( $sql, DB_READ, "Title::getBrokenLinksTo" );
+ $retVal = array();
+ if ( wfNumRows( $res ) ) {
+ while ( $row = wfFetchObject( $res ) ) {
+ $titleObj = Title::makeTitle( $row->cur_namespace, $row->cur_title );
+ $wgLinkCache->addGoodLink( $row->cur_id, $titleObj->getPrefixedDBkey() );
+ $retVal[] = $titleObj;
+ }
+ }
+ wfFreeResult( $res );
+ return $retVal;
+ }
+
+ function getSquidURLs() {
+ return array(
+ $this->getInternalURL(),
+ $this->getInternalURL( "action=history" )
+ );
+ }
+
+ function moveNoAuth( &$nt ) {
+ return $this->moveTo( $nt, false );
+ }
+
+ # Move a title to a new location
+ # Returns true on success, message name on failure
+ # auth indicates whether wgUser's permissions should be checked
+ function moveTo( &$nt, $auth = true ) {
+ if( !$this or !$nt ) {
+ return "badtitletext";
+ }
+
+ $fname = "Title::move";
+ $oldid = $this->getArticleID();
+ $newid = $nt->getArticleID();
+
+ if ( strlen( $nt->getDBkey() ) < 1 ) {
+ return "articleexists";
+ }
+ if ( ( ! Namespace::isMovable( $this->getNamespace() ) ) ||
+ ( "" == $this->getDBkey() ) ||
+ ( "" != $this->getInterwiki() ) ||
+ ( !$oldid ) ||
+ ( ! Namespace::isMovable( $nt->getNamespace() ) ) ||
+ ( "" == $nt->getDBkey() ) ||
+ ( "" != $nt->getInterwiki() ) ) {
+ return "badarticleerror";
+ }
+
+ if ( $auth && ( !$this->userCanEdit() || !$nt->userCanEdit() ) ) {
+ return "protectedpage";
+ }
+
+ # The move is allowed only if (1) the target doesn't exist, or
+ # (2) the target is a redirect to the source, and has no history
+ # (so we can undo bad moves right after they're done).
+
+ if ( 0 != $newid ) { # Target exists; check for validity
+ if ( ! $this->isValidMoveTarget( $nt ) ) {
+ return "articleexists";
+ }
+ $this->moveOverExistingRedirect( $nt );
+ } else { # Target didn't exist, do normal move.
+ $this->moveToNewTitle( $nt, $newid );
+ }
+
+ # Update watchlists
+
+ $oldnamespace = $this->getNamespace() & ~1;
+ $newnamespace = $nt->getNamespace() & ~1;
+ $oldtitle = $this->getDBkey();
+ $newtitle = $nt->getDBkey();
+
+ if( $oldnamespace != $newnamespace && $oldtitle != $newtitle ) {
+ WatchedItem::duplicateEntries( $this, $nt );
+ }
+
+ # Update search engine
+ $u = new SearchUpdate( $oldid, $nt->getPrefixedDBkey() );
+ $u->doUpdate();
+ $u = new SearchUpdate( $newid, $this->getPrefixedDBkey(), "" );
+ $u->doUpdate();
+
+ return true;
+ }
+
+ # Move page to title which is presently a redirect to the source page
+
+ /* private */ function moveOverExistingRedirect( &$nt )
+ {
+ global $wgUser, $wgLinkCache, $wgUseSquid, $wgMwRedir;
+ $fname = "Title::moveOverExistingRedirect";
+ $comment = wfMsg( "1movedto2", $this->getPrefixedText(), $nt->getPrefixedText() );
+
+ $now = wfTimestampNow();
+ $won = wfInvertTimestamp( $now );
+ $newid = $nt->getArticleID();
+ $oldid = $this->getArticleID();
+
+ # Change the name of the target page:
+ wfUpdateArray(
+ /* table */ 'cur',
+ /* SET */ array(
+ 'cur_touched' => $now,
+ 'cur_namespace' => $nt->getNamespace(),
+ 'cur_title' => $nt->getDBkey()
+ ),
+ /* WHERE */ array( 'cur_id' => $oldid ),
+ $fname
+ );
+ $wgLinkCache->clearLink( $nt->getPrefixedDBkey() );
+
+ # Repurpose the old redirect. We don't save it to history since
+ # by definition if we've got here it's rather uninteresting.
+
+ $redirectText = $wgMwRedir->getSynonym( 0 ) . " [[" . $nt->getPrefixedText() . "]]\n";
+ wfUpdateArray(
+ /* table */ 'cur',
+ /* SET */ array(
+ 'cur_touched' => $now,
+ 'cur_timestamp' => $now,
+ 'inverse_timestamp' => $won,
+ 'cur_namespace' => $this->getNamespace(),
+ 'cur_title' => $this->getDBkey(),
+ 'cur_text' => $wgMwRedir->getSynonym( 0 ) . " [[" . $nt->getPrefixedText() . "]]\n",
+ 'cur_comment' => $comment,
+ 'cur_user' => $wgUser->getID(),
+ 'cur_minor_edit' => 0,
+ 'cur_counter' => 0,
+ 'cur_restrictions' => '',
+ 'cur_user_text' => $wgUser->getName(),
+ 'cur_is_redirect' => 1,
+ 'cur_is_new' => 1
+ ),
+ /* WHERE */ array( 'cur_id' => $newid ),
+ $fname
+ );
+
+ $wgLinkCache->clearLink( $this->getPrefixedDBkey() );
+
+ # Fix the redundant names for the past revisions of the target page.
+ # The redirect should have no old revisions.
+ wfUpdateArray(
+ /* table */ 'old',
+ /* SET */ array(
+ 'old_namespace' => $nt->getNamespace(),
+ 'old_title' => $nt->getDBkey(),
+ ),
+ /* WHERE */ array(
+ 'old_namespace' => $this->getNamespace(),
+ 'old_title' => $this->getDBkey(),
+ ),
+ $fname
+ );
+
+ RecentChange::notifyMove( $now, $this, $nt, $wgUser, $comment );
+
+ # Swap links
+
+ # Load titles and IDs
+ $linksToOld = $this->getLinksTo();
+ $linksToNew = $nt->getLinksTo();
+
+ # Delete them all
+ $sql = "DELETE FROM links WHERE l_to=$oldid OR l_to=$newid";
+ wfQuery( $sql, DB_WRITE, $fname );
+
+ # Reinsert
+ if ( count( $linksToOld ) || count( $linksToNew )) {
+ $sql = "INSERT INTO links (l_from,l_to) VALUES ";
+ $first = true;
+
+ # Insert links to old title
+ foreach ( $linksToOld as $linkTitle ) {
+ if ( $first ) {
+ $first = false;
+ } else {
+ $sql .= ",";
+ }
+ $id = $linkTitle->getArticleID();
+ $sql .= "($id,$newid)";
+ }
+
+ # Insert links to new title
+ foreach ( $linksToNew as $linkTitle ) {
+ if ( $first ) {
+ $first = false;
+ } else {
+ $sql .= ",";
+ }
+ $id = $linkTitle->getArticleID();
+ $sql .= "($id, $oldid)";
+ }
+
+ wfQuery( $sql, DB_WRITE, $fname );
+ }
+
+ # Now, we record the link from the redirect to the new title.
+ # It should have no other outgoing links...
+ $sql = "DELETE FROM links WHERE l_from={$newid}";
+ wfQuery( $sql, DB_WRITE, $fname );
+ $sql = "INSERT INTO links (l_from,l_to) VALUES ({$newid},{$oldid})";
+ wfQuery( $sql, DB_WRITE, $fname );
+
+ # Clear linkscc
+ LinkCache::linksccClearLinksTo( $oldid );
+ LinkCache::linksccClearLinksTo( $newid );
+
+ # Purge squid
+ if ( $wgUseSquid ) {
+ $urls = array_merge( $nt->getSquidURLs(), $this->getSquidURLs() );
+ $u = new SquidUpdate( $urls );
+ $u->doUpdate();
+ }
+ }
+
+ # Move page to non-existing title.
+ # Sets $newid to be the new article ID
+
+ /* private */ function moveToNewTitle( &$nt, &$newid )
+ {
+ global $wgUser, $wgLinkCache, $wgUseSquid;
+ $fname = "MovePageForm::moveToNewTitle";
+ $comment = wfMsg( "1movedto2", $this->getPrefixedText(), $nt->getPrefixedText() );
+
+ $now = wfTimestampNow();
+ $won = wfInvertTimestamp( $now );
+ $newid = $nt->getArticleID();
+ $oldid = $this->getArticleID();
+
+ # Rename cur entry
+ wfUpdateArray(
+ /* table */ 'cur',
+ /* SET */ array(
+ 'cur_touched' => $now,
+ 'cur_namespace' => $nt->getNamespace(),
+ 'cur_title' => $nt->getDBkey()
+ ),
+ /* WHERE */ array( 'cur_id' => $oldid ),
+ $fname
+ );
+
+ $wgLinkCache->clearLink( $nt->getPrefixedDBkey() );
+
+ # Insert redirct
+ wfInsertArray( 'cur', array(
+ 'cur_namespace' => $this->getNamespace(),
+ 'cur_title' => $this->getDBkey(),
+ 'cur_comment' => $comment,
+ 'cur_user' => $wgUser->getID(),
+ 'cur_user_text' => $wgUser->getName(),
+ 'cur_timestamp' => $now,
+ 'inverse_timestamp' => $won,
+ 'cur_touched' => $now,
+ 'cur_is_redirect' => 1,
+ 'cur_is_new' => 1,
+ 'cur_text' => "#REDIRECT [[" . $nt->getPrefixedText() . "]]\n" )
+ );
+ $newid = wfInsertId();
+ $wgLinkCache->clearLink( $this->getPrefixedDBkey() );
+
+ # Rename old entries
+ wfUpdateArray(
+ /* table */ 'old',
+ /* SET */ array(
+ 'old_namespace' => $nt->getNamespace(),
+ 'old_title' => $nt->getDBkey()
+ ),
+ /* WHERE */ array(
+ 'old_namespace' => $this->getNamespace(),
+ 'old_title' => $this->getDBkey()
+ ), $fname
+ );
+
+ # Record in RC
+ RecentChange::notifyMove( $now, $this, $nt, $wgUser, $comment );
+
+ # Purge squid and linkscc as per article creation
+ Article::onArticleCreate( $nt );
+
+ # Any text links to the old title must be reassigned to the redirect
+ $sql = "UPDATE links SET l_to={$newid} WHERE l_to={$oldid}";
+ wfQuery( $sql, DB_WRITE, $fname );
+ LinkCache::linksccClearLinksTo( $oldid );
+
+ # Record the just-created redirect's linking to the page
+ $sql = "INSERT INTO links (l_from,l_to) VALUES ({$newid},{$oldid})";
+ wfQuery( $sql, DB_WRITE, $fname );
+
+ # Non-existent target may have had broken links to it; these must
+ # now be removed and made into good links.
+ $update = new LinksUpdate( $oldid, $nt->getPrefixedDBkey() );
+ $update->fixBrokenLinks();
+
+ # Purge old title from squid
+ # The new title, and links to the new title, are purged in Article::onArticleCreate()
+ $titles = $nt->getLinksTo();
+ if ( $wgUseSquid ) {
+ $urls = $this->getSquidURLs();
+ foreach ( $titles as $linkTitle ) {
+ $urls[] = $linkTitle->getInternalURL();
+ }
+ $u = new SquidUpdate( $urls );
+ $u->doUpdate();
+ }
+ }
+
+ # Checks if $this can be moved to $nt
+ # Both titles must exist in the database, otherwise it will blow up
+ function isValidMoveTarget( $nt )
+ {
+ $fname = "Title::isValidMoveTarget";
+
+ # Is it a redirect?
+ $id = $nt->getArticleID();
+ $sql = "SELECT cur_is_redirect,cur_text FROM cur " .
+ "WHERE cur_id={$id}";
+ $res = wfQuery( $sql, DB_READ, $fname );
+ $obj = wfFetchObject( $res );
+
+ if ( 0 == $obj->cur_is_redirect ) {
+ # Not a redirect
+ return false;
+ }
+
+ # Does the redirect point to the source?
+ if ( preg_match( "/\\[\\[\\s*([^\\]]*)]]/", $obj->cur_text, $m ) ) {
+ $redirTitle = Title::newFromText( $m[1] );
+ if ( 0 != strcmp( $redirTitle->getPrefixedDBkey(), $this->getPrefixedDBkey() ) ) {
+ return false;
+ }
+ }
+
+ # Does the article have a history?
+ $row = wfGetArray( 'old', array( 'old_id' ), array(
+ 'old_namespace' => $nt->getNamespace(),
+ 'old_title' => $nt->getDBkey() )
+ );
+
+ # Return true if there was no history
+ return $row === false;
+ }
+
+ # Create a redirect, fails if the title already exists, does not notify RC
+ # Returns success
+ function createRedirect( $dest, $comment ) {
+ global $wgUser;
+ if ( $this->getArticleID() ) {
+ return false;
+ }
+
+ $now = wfTimestampNow();
+ $won = wfInvertTimestamp( $now );
+
+ wfInsertArray( 'cur', array(
+ 'cur_namespace' => $this->getNamespace(),
+ 'cur_title' => $this->getDBkey(),
+ 'cur_comment' => $comment,
+ 'cur_user' => $wgUser->getID(),
+ 'cur_user_text' => $wgUser->getName(),
+ 'cur_timestamp' => $now,
+ 'inverse_timestamp' => $won,
+ 'cur_touched' => $now,
+ 'cur_is_redirect' => 1,
+ 'cur_is_new' => 1,
+ 'cur_text' => "#REDIRECT [[" . $dest->getPrefixedText() . "]]\n"
+ ));
+ $newid = wfInsertId();
+ $this->resetArticleID( $newid );
+
+ # Link table
+ if ( $dest->getArticleID() ) {
+ wfInsertArray( 'links', array(
+ 'l_to' => $dest->getArticleID(),
+ 'l_from' => $newid
+ ));
+ } else {
+ wfInsertArray( 'brokenlinks', array(
+ 'bl_to' => $dest->getPrefixedDBkey(),
+ 'bl_from' => $newid
+ ));
+ }
+
+ Article::onArticleCreate( $this );
+ return true;
+ }
+
+ # Get categories to wich belong this title and return an array of
+ # categories names.
+ function getParentCategories( )
+ {
+ global $wgLang,$wgUser;
+
+ #$titlekey = wfStrencode( $this->getArticleID() );
+ $titlekey = $this->getArticleId();
+ $cns = Namespace::getCategory();
+ $sk =& $wgUser->getSkin();
+ $parents = array();
+
+ # get the parents categories of this title from the database
+ $sql = "SELECT DISTINCT cur_id FROM cur,categorylinks
+ WHERE cl_from='$titlekey' AND cl_to=cur_title AND cur_namespace='$cns'
+ ORDER BY cl_sortkey" ;
+ $res = wfQuery ( $sql, DB_READ ) ;
+
+ if(wfNumRows($res) > 0) {
+ while ( $x = wfFetchObject ( $res ) ) $data[] = $x ;
+ wfFreeResult ( $res ) ;
+ } else {
+ $data = '';
+ }
+ return $data;
+ }
+
+ # will get the parents and grand-parents
+ # TODO : not sure what's happening when a loop happen like:
+ # Encyclopedia > Astronomy > Encyclopedia
+ function getAllParentCategories(&$stack)
+ {
+ global $wgUser,$wgLang;
+ $result = '';
+
+ # getting parents
+ $parents = $this->getParentCategories( );
+
+ if($parents == '')
+ {
+ # The current element has no more parent so we dump the stack
+ # and make a clean line of categories
+ $sk =& $wgUser->getSkin() ;
+
+ foreach ( array_reverse($stack) as $child => $parent )
+ {
+ # make a link of that parent
+ $result .= $sk->makeLink($wgLang->getNSText ( Namespace::getCategory() ).":".$parent,$parent);
+ $result .= ' > ';
+ $lastchild = $child;
+ }
+ # append the last child.
+ # TODO : We should have a last child unless there is an error in the
+ # "categorylinks" table.
+ if(isset($lastchild)) { $result .= $lastchild; }
+
+ $result .= "<br/>\n";
+
+ # now we can empty the stack
+ $stack = array();
+
+ } else {
+ # look at parents of current category
+ foreach($parents as $parent)
+ {
+ # create a title object for the parent
+ $tpar = Title::newFromID($parent->cur_id);
+ # add it to the stack
+ $stack[$this->getText()] = $tpar->getText();
+ # grab its parents
+ $result .= $tpar->getAllParentCategories($stack);
+ }
+ }
+
+ if(isset($result)) { return $result; }
+ else { return ''; };
+ }
+
+
}
?>