mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
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323 lines
8.9 KiB
PHP
323 lines
8.9 KiB
PHP
<?php
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/**
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* Content object for wiki text pages.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @since 1.21
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*
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* @file
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* @ingroup Content
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*
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* @author Daniel Kinzler
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*/
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/**
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* Content object for wiki text pages.
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*
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* @ingroup Content
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*/
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class WikitextContent extends TextContent {
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public function __construct( $text ) {
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parent::__construct( $text, CONTENT_MODEL_WIKITEXT );
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}
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/**
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* @see Content::getSection()
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*/
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public function getSection( $section ) {
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global $wgParser;
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$text = $this->getNativeData();
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$sect = $wgParser->getSection( $text, $section, false );
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if ( $sect === false ) {
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return false;
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} else {
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return new WikitextContent( $sect );
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}
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}
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/**
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* @see Content::replaceSection()
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*/
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public function replaceSection( $section, Content $with, $sectionTitle = '' ) {
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wfProfileIn( __METHOD__ );
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$myModelId = $this->getModel();
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$sectionModelId = $with->getModel();
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if ( $sectionModelId != $myModelId ) {
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wfProfileOut( __METHOD__ );
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throw new MWException( "Incompatible content model for section: " .
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"document uses $myModelId but " .
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"section uses $sectionModelId." );
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}
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$oldtext = $this->getNativeData();
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$text = $with->getNativeData();
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if ( $section === '' ) {
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wfProfileOut( __METHOD__ );
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return $with; # XXX: copy first?
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} if ( $section == 'new' ) {
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# Inserting a new section
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$subject = $sectionTitle ? wfMessage( 'newsectionheaderdefaultlevel' )
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->rawParams( $sectionTitle )->inContentLanguage()->text() . "\n\n" : '';
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if ( wfRunHooks( 'PlaceNewSection', array( $this, $oldtext, $subject, &$text ) ) ) {
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$text = strlen( trim( $oldtext ) ) > 0
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? "{$oldtext}\n\n{$subject}{$text}"
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: "{$subject}{$text}";
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}
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} else {
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# Replacing an existing section; roll out the big guns
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global $wgParser;
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$text = $wgParser->replaceSection( $oldtext, $section, $text );
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}
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$newContent = new WikitextContent( $text );
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wfProfileOut( __METHOD__ );
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return $newContent;
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}
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/**
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* Returns a new WikitextContent object with the given section heading
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* prepended.
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*
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* @param $header string
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* @return Content
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*/
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public function addSectionHeader( $header ) {
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$text = wfMessage( 'newsectionheaderdefaultlevel' )
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->rawParams( $header )->inContentLanguage()->text();
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$text .= "\n\n";
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$text .= $this->getNativeData();
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return new WikitextContent( $text );
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}
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/**
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* Returns a Content object with pre-save transformations applied using
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* Parser::preSaveTransform().
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*
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* @param $title Title
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* @param $user User
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* @param $popts ParserOptions
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* @return Content
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*/
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public function preSaveTransform( Title $title, User $user, ParserOptions $popts ) {
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global $wgParser;
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$text = $this->getNativeData();
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$pst = $wgParser->preSaveTransform( $text, $title, $user, $popts );
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rtrim( $pst );
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return ( $text === $pst ) ? $this : new WikitextContent( $pst );
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}
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/**
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* Returns a Content object with preload transformations applied (or this
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* object if no transformations apply).
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*
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* @param $title Title
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* @param $popts ParserOptions
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* @return Content
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*/
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public function preloadTransform( Title $title, ParserOptions $popts ) {
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global $wgParser;
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$text = $this->getNativeData();
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$plt = $wgParser->getPreloadText( $text, $title, $popts );
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return new WikitextContent( $plt );
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}
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/**
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* Implement redirect extraction for wikitext.
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*
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* @return null|Title
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*
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* @note: migrated here from Title::newFromRedirectInternal()
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*
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* @see Content::getRedirectTarget
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* @see AbstractContent::getRedirectTarget
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*/
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public function getRedirectTarget() {
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global $wgMaxRedirects;
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if ( $wgMaxRedirects < 1 ) {
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// redirects are disabled, so quit early
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return null;
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}
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$redir = MagicWord::get( 'redirect' );
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$text = trim( $this->getNativeData() );
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if ( $redir->matchStartAndRemove( $text ) ) {
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// Extract the first link and see if it's usable
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// Ensure that it really does come directly after #REDIRECT
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// Some older redirects included a colon, so don't freak about that!
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$m = array();
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if ( preg_match( '!^\s*:?\s*\[{2}(.*?)(?:\|.*?)?\]{2}!', $text, $m ) ) {
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// Strip preceding colon used to "escape" categories, etc.
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// and URL-decode links
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if ( strpos( $m[1], '%' ) !== false ) {
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// Match behavior of inline link parsing here;
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$m[1] = rawurldecode( ltrim( $m[1], ':' ) );
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}
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$title = Title::newFromText( $m[1] );
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// If the title is a redirect to bad special pages or is invalid, return null
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if ( !$title instanceof Title || !$title->isValidRedirectTarget() ) {
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return null;
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}
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return $title;
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}
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}
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return null;
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}
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/**
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* @see Content::updateRedirect()
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*
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* This implementation replaces the first link on the page with the given new target
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* if this Content object is a redirect. Otherwise, this method returns $this.
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*
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* @since 1.21
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*
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* @param Title $target
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*
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* @return Content a new Content object with the updated redirect (or $this if this Content object isn't a redirect)
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*/
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public function updateRedirect( Title $target ) {
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if ( !$this->isRedirect() ) {
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return $this;
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}
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# Fix the text
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# Remember that redirect pages can have categories, templates, etc.,
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# so the regex has to be fairly general
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$newText = preg_replace( '/ \[ \[ [^\]]* \] \] /x',
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'[[' . $target->getFullText() . ']]',
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$this->getNativeData(), 1 );
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return new WikitextContent( $newText );
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}
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/**
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* Returns true if this content is not a redirect, and this content's text
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* is countable according to the criteria defined by $wgArticleCountMethod.
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*
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* @param bool $hasLinks if it is known whether this content contains
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* links, provide this information here, to avoid redundant parsing to
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* find out (default: null).
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* @param $title Title: (default: null)
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*
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* @internal param \IContextSource $context context for parsing if necessary
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*
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* @return bool True if the content is countable
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*/
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public function isCountable( $hasLinks = null, Title $title = null ) {
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global $wgArticleCountMethod;
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if ( $this->isRedirect() ) {
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return false;
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}
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$text = $this->getNativeData();
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switch ( $wgArticleCountMethod ) {
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case 'any':
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return true;
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case 'comma':
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return strpos( $text, ',' ) !== false;
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case 'link':
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if ( $hasLinks === null ) { # not known, find out
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if ( !$title ) {
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$context = RequestContext::getMain();
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$title = $context->getTitle();
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}
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$po = $this->getParserOutput( $title, null, null, false );
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$links = $po->getLinks();
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$hasLinks = !empty( $links );
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}
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return $hasLinks;
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}
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return false;
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}
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public function getTextForSummary( $maxlength = 250 ) {
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$truncatedtext = parent::getTextForSummary( $maxlength );
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# clean up unfinished links
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# XXX: make this optional? wasn't there in autosummary, but required for
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# deletion summary.
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$truncatedtext = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $truncatedtext );
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return $truncatedtext;
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}
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/**
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* Returns a ParserOutput object resulting from parsing the content's text
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* using $wgParser.
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*
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* @since 1.21
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*
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* @param $title Title
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* @param int $revId Revision to pass to the parser (default: null)
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* @param $options ParserOptions (default: null)
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* @param bool $generateHtml (default: false)
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*
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* @internal param \IContextSource|null $context
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* @return ParserOutput representing the HTML form of the text
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*/
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public function getParserOutput( Title $title,
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$revId = null,
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ParserOptions $options = null, $generateHtml = true
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) {
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global $wgParser;
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if ( !$options ) {
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//NOTE: use canonical options per default to produce cacheable output
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$options = $this->getContentHandler()->makeParserOptions( 'canonical' );
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}
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$po = $wgParser->parse( $this->getNativeData(), $title, $options, true, true, $revId );
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return $po;
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}
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protected function getHtml() {
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throw new MWException(
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"getHtml() not implemented for wikitext. "
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. "Use getParserOutput()->getText()."
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);
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}
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/**
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* @see Content::matchMagicWord()
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*
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* This implementation calls $word->match() on the this TextContent object's text.
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*
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* @param MagicWord $word
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*
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* @return bool whether this Content object matches the given magic word.
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*/
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public function matchMagicWord( MagicWord $word ) {
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return $word->match( $this->getNativeData() );
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}
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}
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