includes/content/CssContent.php

   1 <?php
   2 /**
   3  * Content object for CSS pages.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @since 1.21
  21  *
  22  * @file
  23  * @ingroup Content
  24  *
  25  * @author Daniel Kinzler
  26  */
  27
  28 use MediaWiki\MediaWikiServices;
  29
  30 /**
  31  * Content object for CSS pages.
  32  *
  33  * @ingroup Content
  34  */
  35 class CssContent extends TextContent {
  36
  37         /**
  38          * @var bool|Title|null
  39          */
  40         private $redirectTarget = false;
  41
  42         /**
  43          * @param string $text CSS code.
  44          * @param string $modelId the content content model
  45          */
  46         public function __construct( $text, $modelId = CONTENT_MODEL_CSS ) {
  47                 parent::__construct( $text, $modelId );
  48         }
  49
  50         /**
  51          * Returns a Content object with pre-save transformations applied using
  52          * Parser::preSaveTransform().
  53          *
  54          * @param Title $title
  55          * @param User $user
  56          * @param ParserOptions $popts
  57          *
  58          * @return CssContent
  59          *
  60          * @see TextContent::preSaveTransform
  61          */
  62         public function preSaveTransform( Title $title, User $user, ParserOptions $popts ) {
  63                 // @todo Make pre-save transformation optional for script pages
  64
  65                 $text = $this->getText();
  66                 $pst = MediaWikiServices::getInstance()->getParser()
  67                         ->preSaveTransform( $text, $title, $user, $popts );
  68
  69                 return new static( $pst );
  70         }
  71
  72         /**
  73          * @return string CSS wrapped in a <pre> tag.
  74          */
  75         protected function getHtml() {
  76                 $html = "";
  77                 $html .= "<pre class=\"mw-code mw-css\" dir=\"ltr\">\n";
  78                 $html .= htmlspecialchars( $this->getText() );
  79                 $html .= "\n</pre>\n";
  80
  81                 return $html;
  82         }
  83
  84         /**
  85          * @param Title $target
  86          * @return CssContent
  87          */
  88         public function updateRedirect( Title $target ) {
  89                 if ( !$this->isRedirect() ) {
  90                         return $this;
  91                 }
  92
  93                 return $this->getContentHandler()->makeRedirectContent( $target );
  94         }
  95
  96         /**
  97          * @return Title|null
  98          */
  99         public function getRedirectTarget() {
 100                 if ( $this->redirectTarget !== false ) {
 101                         return $this->redirectTarget;
 102                 }
 103                 $this->redirectTarget = null;
 104                 $text = $this->getText();
 105                 if ( strpos( $text, '/* #REDIRECT */' ) === 0 ) {
 106                         // Extract the title from the url
 107                         preg_match( '/title=(.*?)&action=raw/', $text, $matches );
 108                         if ( isset( $matches[1] ) ) {
 109                                 $title = Title::newFromText( urldecode( $matches[1] ) );
 110                                 if ( $title ) {
 111                                         // Have a title, check that the current content equals what
 112                                         // the redirect content should be
 113                                         if ( $this->equals( $this->getContentHandler()->makeRedirectContent( $title ) ) ) {
 114                                                 $this->redirectTarget = $title;
 115                                         }
 116                                 }
 117                         }
 118                 }
 119
 120                 return $this->redirectTarget;
 121         }
 122
 123 }