var $mFragment; // /< Title fragment (i.e. the bit after the #)
var $mArticleID = -1; // /< Article ID, fetched from the link cache on demand
var $mLatestID = false; // /< ID of most recent revision
+ var $mContentModel = false; // /< ID of the page's content model, i.e. one of the CONTENT_MODEL_XXX constants
private $mEstimateRevisions; // /< Estimated number of revisions; null of not loaded
var $mRestrictions = array(); // /< Array of groups allowed to edit this article
var $mOldRestrictions = false;
}
}
+ /**
+ * Returns a list of fields that are to be selected for initializing Title objects or LinkCache entries.
+ * Uses $wgContentHandlerUseDB to determine whether to include page_content_model.
+ *
+ * @return array
+ */
+ protected static function getSelectFields() {
+ global $wgContentHandlerUseDB;
+
+ $fields = array(
+ 'page_namespace', 'page_title', 'page_id',
+ 'page_len', 'page_is_redirect', 'page_latest',
+ );
+
+ if ( $wgContentHandlerUseDB ) {
+ $fields[] = 'page_content_model';
+ }
+
+ return $fields;
+ }
+
/**
* Create a new Title from an article ID
*
$db = ( $flags & self::GAID_FOR_UPDATE ) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
$row = $db->selectRow(
'page',
- array(
- 'page_namespace', 'page_title', 'page_id',
- 'page_len', 'page_is_redirect', 'page_latest',
- ),
+ self::getSelectFields(),
array( 'page_id' => $id ),
__METHOD__
);
$res = $dbr->select(
'page',
- array(
- 'page_namespace', 'page_title', 'page_id',
- 'page_len', 'page_is_redirect', 'page_latest',
- ),
+ self::getSelectFields(),
array( 'page_id' => $ids ),
__METHOD__
);
$this->mRedirect = (bool)$row->page_is_redirect;
if ( isset( $row->page_latest ) )
$this->mLatestID = (int)$row->page_latest;
+ if ( isset( $row->page_content_model ) )
+ $this->mContentModel = strval( $row->page_content_model );
+ else
+ $this->mContentModel = false; # initialized lazily in getContentModel()
} else { // page not found
$this->mArticleID = 0;
$this->mLength = 0;
$this->mRedirect = false;
$this->mLatestID = 0;
+ $this->mContentModel = false; # initialized lazily in getContentModel()
}
}
$t->mArticleID = ( $ns >= 0 ) ? -1 : 0;
$t->mUrlform = wfUrlencode( $t->mDbkeyform );
$t->mTextform = str_replace( '_', ' ', $title );
+ $t->mContentModel = false; # initialized lazily in getContentModel()
return $t;
}
*
* @param $text String: Text with possible redirect
* @return Title: The corresponding Title
+ * @deprecated since 1.21, use Content::getRedirectTarget instead.
*/
public static function newFromRedirect( $text ) {
- return self::newFromRedirectInternal( $text );
+ $content = ContentHandler::makeContent( $text, null, CONTENT_MODEL_WIKITEXT );
+ return $content->getRedirectTarget();
}
/**
*
* @param $text String Text with possible redirect
* @return Title
+ * @deprecated since 1.21, use Content::getUltimateRedirectTarget instead.
*/
public static function newFromRedirectRecurse( $text ) {
- $titles = self::newFromRedirectArray( $text );
- return $titles ? array_pop( $titles ) : null;
+ $content = ContentHandler::makeContent( $text, null, CONTENT_MODEL_WIKITEXT );
+ return $content->getUltimateRedirectTarget();
}
/**
*
* @param $text String Text with possible redirect
* @return Array of Titles, with the destination last
+ * @deprecated since 1.21, use Content::getRedirectChain instead.
*/
public static function newFromRedirectArray( $text ) {
- global $wgMaxRedirects;
- $title = self::newFromRedirectInternal( $text );
- if ( is_null( $title ) ) {
- return null;
- }
- // recursive check to follow double redirects
- $recurse = $wgMaxRedirects;
- $titles = array( $title );
- while ( --$recurse > 0 ) {
- if ( $title->isRedirect() ) {
- $page = WikiPage::factory( $title );
- $newtitle = $page->getRedirectTarget();
- } else {
- break;
- }
- // Redirects to some special pages are not permitted
- if ( $newtitle instanceOf Title && $newtitle->isValidRedirectTarget() ) {
- // the new title passes the checks, so make that our current title so that further recursion can be checked
- $title = $newtitle;
- $titles[] = $newtitle;
- } else {
- break;
- }
- }
- return $titles;
- }
-
- /**
- * Really extract the redirect destination
- * Do not call this function directly, use one of the newFromRedirect* functions above
- *
- * @param $text String Text with possible redirect
- * @return Title
- */
- protected static function newFromRedirectInternal( $text ) {
- global $wgMaxRedirects;
- if ( $wgMaxRedirects < 1 ) {
- //redirects are disabled, so quit early
- return null;
- }
- $redir = MagicWord::get( 'redirect' );
- $text = trim( $text );
- if ( $redir->matchStartAndRemove( $text ) ) {
- // Extract the first link and see if it's usable
- // Ensure that it really does come directly after #REDIRECT
- // Some older redirects included a colon, so don't freak about that!
- $m = array();
- if ( preg_match( '!^\s*:?\s*\[{2}(.*?)(?:\|.*?)?\]{2}!', $text, $m ) ) {
- // Strip preceding colon used to "escape" categories, etc.
- // and URL-decode links
- if ( strpos( $m[1], '%' ) !== false ) {
- // Match behavior of inline link parsing here;
- $m[1] = rawurldecode( ltrim( $m[1], ':' ) );
- }
- $title = Title::newFromText( $m[1] );
- // If the title is a redirect to bad special pages or is invalid, return null
- if ( !$title instanceof Title || !$title->isValidRedirectTarget() ) {
- return null;
- }
- return $title;
- }
- }
- return null;
+ $content = ContentHandler::makeContent( $text, null, CONTENT_MODEL_WIKITEXT );
+ return $content->getRedirectChain();
}
/**
return $this->mNamespace;
}
+ /**
+ * Get the page's content model id, see the CONTENT_MODEL_XXX constants.
+ *
+ * @return String: Content model id
+ */
+ public function getContentModel() {
+ if ( !$this->mContentModel ) {
+ $linkCache = LinkCache::singleton();
+ $this->mContentModel = $linkCache->getGoodLinkFieldObj( $this, 'model' );
+ }
+
+ if ( !$this->mContentModel ) {
+ $this->mContentModel = ContentHandler::getDefaultModelFor( $this );
+ }
+
+ if( !$this->mContentModel ) {
+ throw new MWException( "failed to determin content model!" );
+ }
+
+ return $this->mContentModel;
+ }
+
+ /**
+ * Convenience method for checking a title's content model name
+ *
+ * @param int $id
+ * @return Boolean true if $this->getContentModel() == $id
+ */
+ public function hasContentModel( $id ) {
+ return $this->getContentModel() == $id;
+ }
+
/**
* Get the namespace text
*
* @return Bool
*/
public function isConversionTable() {
+ //@todo: ConversionTable should become a separate content model.
+
return $this->getNamespace() == NS_MEDIAWIKI &&
strpos( $this->getText(), 'Conversiontable/' ) === 0;
}
* @return Bool
*/
public function isWikitextPage() {
- $retval = !$this->isCssOrJsPage() && !$this->isCssJsSubpage();
- wfRunHooks( 'TitleIsWikitextPage', array( $this, &$retval ) );
- return $retval;
+ return $this->hasContentModel( CONTENT_MODEL_WIKITEXT );
}
/**
- * Could this page contain custom CSS or JavaScript, based
- * on the title?
+ * Could this page contain custom CSS or JavaScript for the global UI.
+ * This is generally true for pages in the MediaWiki namespace having CONTENT_MODEL_CSS
+ * or CONTENT_MODEL_JAVASCRIPT.
+ *
+ * This method does *not* return true for per-user JS/CSS. Use isCssJsSubpage() for that!
+ *
+ * Note that this method should not return true for pages that contain and show "inactive" CSS or JS.
*
* @return Bool
*/
public function isCssOrJsPage() {
- $retval = $this->mNamespace == NS_MEDIAWIKI
- && preg_match( '!\.(?:css|js)$!u', $this->mTextform ) > 0;
- wfRunHooks( 'TitleIsCssOrJsPage', array( $this, &$retval ) );
- return $retval;
+ $isCssOrJsPage = NS_MEDIAWIKI == $this->mNamespace
+ && ( $this->hasContentModel( CONTENT_MODEL_CSS )
+ || $this->hasContentModel( CONTENT_MODEL_JAVASCRIPT ) );
+
+ #NOTE: this hook is also called in ContentHandler::getDefaultModel. It's called here again to make sure
+ # hook funktions can force this method to return true even outside the mediawiki namespace.
+
+ wfRunHooks( 'TitleIsCssOrJsPage', array( $this, &$isCssOrJsPage ) );
+
+ return $isCssOrJsPage;
}
/**
* @return Bool
*/
public function isCssJsSubpage() {
- return ( NS_USER == $this->mNamespace and preg_match( "/\\/.*\\.(?:css|js)$/", $this->mTextform ) );
+ return ( NS_USER == $this->mNamespace && $this->isSubpage()
+ && ( $this->hasContentModel( CONTENT_MODEL_CSS )
+ || $this->hasContentModel( CONTENT_MODEL_JAVASCRIPT ) ) );
}
/**
* @return Bool
*/
public function isCssSubpage() {
- return ( NS_USER == $this->mNamespace && preg_match( "/\\/.*\\.css$/", $this->mTextform ) );
+ return ( NS_USER == $this->mNamespace && $this->isSubpage()
+ && $this->hasContentModel( CONTENT_MODEL_CSS ) );
}
/**
* @return Bool
*/
public function isJsSubpage() {
- return ( NS_USER == $this->mNamespace && preg_match( "/\\/.*\\.js$/", $this->mTextform ) );
+ return ( NS_USER == $this->mNamespace && $this->isSubpage()
+ && $this->hasContentModel( CONTENT_MODEL_JAVASCRIPT ) );
}
/**
if ( !$this->getArticleID( $flags ) ) {
return $this->mRedirect = false;
}
+
$linkCache = LinkCache::singleton();
- $this->mRedirect = (bool)$linkCache->getGoodLinkFieldObj( $this, 'redirect' );
+ $cached = $linkCache->getGoodLinkFieldObj( $this, 'redirect' );
+ if ( $cached === null ) { # check the assumption that the cache actually knows about this title
+ # XXX: this does apparently happen, see https://bugzilla.wikimedia.org/show_bug.cgi?id=37209
+ # as a stop gap, perhaps log this, but don't throw an exception?
+ throw new MWException( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() );
+ }
+
+ $this->mRedirect = (bool)$cached;
return $this->mRedirect;
}
return $this->mLength = 0;
}
$linkCache = LinkCache::singleton();
- $this->mLength = intval( $linkCache->getGoodLinkFieldObj( $this, 'length' ) );
+ $cached = $linkCache->getGoodLinkFieldObj( $this, 'length' );
+ if ( $cached === null ) { # check the assumption that the cache actually knows about this title
+ # XXX: this does apparently happen, see https://bugzilla.wikimedia.org/show_bug.cgi?id=37209
+ # as a stop gap, perhaps log this, but don't throw an exception?
+ throw new MWException( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() );
+ }
+
+ $this->mLength = intval( $cached );
return $this->mLength;
}
return $this->mLatestID = 0;
}
$linkCache = LinkCache::singleton();
- $this->mLatestID = intval( $linkCache->getGoodLinkFieldObj( $this, 'revision' ) );
+ $cached = $linkCache->getGoodLinkFieldObj( $this, 'revision' );
+ if ( $cached === null ) { # check the assumption that the cache actually knows about this title
+ # XXX: this does apparently happen, see https://bugzilla.wikimedia.org/show_bug.cgi?id=37209
+ # as a stop gap, perhaps log this, but don't throw an exception?
+ throw new MWException( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() );
+ }
+
+ $this->mLatestID = intval( $cached );
return $this->mLatestID;
}
$this->mRedirect = null;
$this->mLength = -1;
$this->mLatestID = false;
+ $this->mContentModel = false;
$this->mEstimateRevisions = null;
}
$res = $db->select(
array( 'page', $table ),
- array( 'page_namespace', 'page_title', 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ),
+ self::getSelectFields(),
array(
"{$prefix}_from=page_id",
"{$prefix}_namespace" => $this->getNamespace(),
* @return Array of Title objects linking here
*/
public function getLinksFrom( $options = array(), $table = 'pagelinks', $prefix = 'pl' ) {
+ global $wgContentHandlerUseDB;
+
$id = $this->getArticleID();
# If the page doesn't exist; there can't be any link from this page
$namespaceFiled = "{$prefix}_namespace";
$titleField = "{$prefix}_title";
+ $fields = array( $namespaceFiled, $titleField, 'page_id', 'page_len', 'page_is_redirect', 'page_latest' );
+ if ( $wgContentHandlerUseDB ) $fields[] = 'page_content_model';
+
$res = $db->select(
array( $table, 'page' ),
- array( $namespaceFiled, $titleField, 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ),
+ $fields,
array( "{$prefix}_from" => $id ),
__METHOD__,
$options,
* @return Mixed True on success, getUserPermissionsErrors()-like array on failure
*/
public function isValidMoveOperation( &$nt, $auth = true, $reason = '' ) {
- global $wgUser;
+ global $wgUser, $wgContentHandlerUseDB;
$errors = array();
if ( !$nt ) {
$errors[] = array( 'badarticleerror' );
}
+ // Content model checks
+ if ( !$wgContentHandlerUseDB &&
+ $this->getContentModel() !== $nt->getContentModel() ) {
+ // can't move a page if that would change the page's content model
+ $errors[] = array( 'bad-target-model',
+ ContentHandler::getLocalizedName( $this->getContentModel() ),
+ ContentHandler::getLocalizedName( $nt->getContentModel() ) );
+ }
+
// Image-specific checks
if ( $this->getNamespace() == NS_FILE ) {
$errors = array_merge( $errors, $this->validateFileMoveOperation( $nt ) );
$logType = 'move';
}
- $redirectSuppressed = !$createRedirect;
+ if ( $createRedirect ) {
+ $contentHandler = ContentHandler::getForTitle( $this );
+ $redirectContent = $contentHandler->makeRedirectContent( $nt );
+
+ // NOTE: If this page's content model does not support redirects, $redirectContent will be null.
+ } else {
+ $redirectContent = null;
+ }
$logEntry = new ManualLogEntry( 'move', $logType );
$logEntry->setPerformer( $wgUser );
$logEntry->setComment( $reason );
$logEntry->setParameters( array(
'4::target' => $nt->getPrefixedText(),
- '5::noredir' => $redirectSuppressed ? '1': '0',
+ '5::noredir' => $redirectContent ? '0': '1',
) );
$formatter = LogFormatter::newFromEntry( $logEntry );
}
# Recreate the redirect, this time in the other direction.
- if ( $redirectSuppressed ) {
+ if ( !$redirectContent ) {
WikiPage::onArticleDelete( $this );
} else {
- $mwRedir = MagicWord::get( 'redirect' );
- $redirectText = $mwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n";
$redirectArticle = WikiPage::factory( $this );
$newid = $redirectArticle->insertOn( $dbw );
if ( $newid ) { // sanity
$redirectRevision = new Revision( array(
'page' => $newid,
'comment' => $comment,
- 'text' => $redirectText ) );
+ 'content' => $redirectContent ) );
$redirectRevision->insertOn( $dbw );
$redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
* @return Bool
*/
public function isSingleRevRedirect() {
+ global $wgContentHandlerUseDB;
+
$dbw = wfGetDB( DB_MASTER );
+
# Is it a redirect?
+ $fields = array( 'page_is_redirect', 'page_latest', 'page_id' );
+ if ( $wgContentHandlerUseDB ) $fields[] = 'page_content_model';
+
$row = $dbw->selectRow( 'page',
- array( 'page_is_redirect', 'page_latest', 'page_id' ),
+ $fields,
$this->pageCond(),
__METHOD__,
array( 'FOR UPDATE' )
$this->mArticleID = $row ? intval( $row->page_id ) : 0;
$this->mRedirect = $row ? (bool)$row->page_is_redirect : false;
$this->mLatestID = $row ? intval( $row->page_latest ) : false;
+ $this->mContentModel = $row && isset( $row->page_content_model ) ? strval( $row->page_content_model ) : false;
if ( !$this->mRedirect ) {
return false;
}
if( !is_object( $rev ) ){
return false;
}
- $text = $rev->getText();
+ $content = $rev->getContent();
# Does the redirect point to the source?
# Or is it a broken self-redirect, usually caused by namespace collisions?
- $m = array();
- if ( preg_match( "/\\[\\[\\s*([^\\]\\|]*)]]/", $text, $m ) ) {
- $redirTitle = Title::newFromText( $m[1] );
- if ( !is_object( $redirTitle ) ||
- ( $redirTitle->getPrefixedDBkey() != $this->getPrefixedDBkey() &&
- $redirTitle->getPrefixedDBkey() != $nt->getPrefixedDBkey() ) ) {
+ $redirTitle = $content->getRedirectTarget();
+
+ if ( $redirTitle ) {
+ if ( $redirTitle->getPrefixedDBkey() != $this->getPrefixedDBkey() &&
+ $redirTitle->getPrefixedDBkey() != $nt->getPrefixedDBkey() ) {
wfDebug( __METHOD__ . ": redirect points to other page\n" );
return false;
+ } else {
+ return true;
}
} else {
- # Fail safe
- wfDebug( __METHOD__ . ": failsafe\n" );
+ # Fail safe (not a redirect after all. strange.)
+ wfDebug( __METHOD__ . ": failsafe: database sais " . $nt->getPrefixedDBkey() .
+ " is a redirect, but it doesn't contain a valid redirect.\n" );
return false;
}
- return true;
}
/**
if ( $this->isSpecialPage() ) {
// special pages are in the user language
return $wgLang;
- } elseif ( $this->isCssOrJsPage() || $this->isCssJsSubpage() ) {
- // css/js should always be LTR and is, in fact, English
- return wfGetLangObj( 'en' );
- } elseif ( $this->getNamespace() == NS_MEDIAWIKI ) {
- // Parse mediawiki messages with correct target language
- list( /* $unused */, $lang ) = MessageCache::singleton()->figureMessage( $this->getText() );
- return wfGetLangObj( $lang );
}
- global $wgContLang;
- // If nothing special, it should be in the wiki content language
- $pageLang = $wgContLang;
+
+ //TODO: use the LinkCache to cache this! Note that this may depend on user settings, so the cache should be only per-request.
+ //NOTE: ContentHandler::getPageLanguage() may need to load the content to determine the page language!
+ $contentHandler = ContentHandler::getForTitle( $this );
+ $pageLang = $contentHandler->getPageLanguage( $this );
+
// Hook at the end because we don't want to override the above stuff
wfRunHooks( 'PageContentLanguage', array( $this, &$pageLang, $wgLang ) );
return wfGetLangObj( $pageLang );
* @return Language
*/
public function getPageViewLanguage() {
- $pageLang = $this->getPageLanguage();
- // If this is nothing special (so the content is converted when viewed)
- if ( !$this->isSpecialPage()
- && !$this->isCssOrJsPage() && !$this->isCssJsSubpage()
- && $this->getNamespace() !== NS_MEDIAWIKI
- ) {
+ global $wgLang;
+
+ if ( $this->isSpecialPage() ) {
// If the user chooses a variant, the content is actually
// in a language whose code is the variant code.
- $variant = $pageLang->getPreferredVariant();
- if ( $pageLang->getCode() !== $variant ) {
- $pageLang = Language::factory( $variant );
+ $variant = $wgLang->getPreferredVariant();
+ if ( $wgLang->getCode() !== $variant ) {
+ return Language::factory( $variant );
}
+
+ return $wgLang;
}
+
+ //NOTE: can't be cached persistently, depends on user settings
+ //NOTE: ContentHandler::getPageViewLanguage() may need to load the content to determine the page language!
+ $contentHandler = ContentHandler::getForTitle( $this );
+ $pageLang = $contentHandler->getPageViewLanguage( $this );
return $pageLang;
}
}
dépôts / lhc / web / wiklou.git / blobdiff