includes/ParserOutput.php

   1 <?php
   2 /**
   3  * @todo document
   4  * @addtogroup Parser
   5  */
   6 class ParserOutput
   7 {
   8         var $mText,             # The output text
   9                 $mLanguageLinks,    # List of the full text of language links, in the order they appear
  10                 $mCategories,       # Map of category names to sort keys
  11                 $mContainsOldMagic, # Boolean variable indicating if the input contained variables like {{CURRENTDAY}}
  12                 $mCacheTime,        # Time when this object was generated, or -1 for uncacheable. Used in ParserCache.
  13                 $mVersion,          # Compatibility check
  14                 $mTitleText,        # title text of the chosen language variant
  15                 $mLinks,            # 2-D map of NS/DBK to ID for the links in the document. ID=zero for broken.
  16                 $mTemplates,        # 2-D map of NS/DBK to ID for the template references. ID=zero for broken.
  17                 $mTemplateIds,      # 2-D map of NS/DBK to rev ID for the template references. ID=zero for broken.
  18                 $mImages,           # DB keys of the images used, in the array key only
  19                 $mImageTimestamps,  # Map of DBK to rev ID for the template references. ID=zero for broken.
  20                 $mExternalLinks,    # External link URLs, in the key only
  21                 $mHTMLtitle,        # Display HTML title
  22                 $mSubtitle,         # Additional subtitle
  23                 $mNewSection,       # Show a new section link?
  24                 $mNoGallery,        # No gallery on category page? (__NOGALLERY__)
  25                 $mHeadItems;        # Items to put in the <head> section
  26
  27         function ParserOutput( $text = '', $languageLinks = array(), $categoryLinks = array(),
  28                 $containsOldMagic = false, $titletext = '' )
  29         {
  30                 $this->mText = $text;
  31                 $this->mLanguageLinks = $languageLinks;
  32                 $this->mCategories = $categoryLinks;
  33                 $this->mContainsOldMagic = $containsOldMagic;
  34                 $this->mCacheTime = '';
  35                 $this->mVersion = Parser::VERSION;
  36                 $this->mTitleText = $titletext;
  37                 $this->mLinks = array();
  38                 $this->mTemplates = array();
  39                 $this->mImages = array();
  40                 $this->mExternalLinks = array();
  41                 $this->mHTMLtitle = "" ;
  42                 $this->mSubtitle = "" ;
  43                 $this->mNewSection = false;
  44                 $this->mNoGallery = false;
  45                 $this->mHeadItems = array();
  46                 $this->mTemplateIds = array();
  47                 $this->mImageTimestamps = array();
  48         }
  49
  50         function getText()                   { return $this->mText; }
  51         function &getLanguageLinks()         { return $this->mLanguageLinks; }
  52         function getCategoryLinks()          { return array_keys( $this->mCategories ); }
  53         function &getCategories()            { return $this->mCategories; }
  54         function getCacheTime()              { return $this->mCacheTime; }
  55         function getTitleText()              { return $this->mTitleText; }
  56         function &getLinks()                 { return $this->mLinks; }
  57         function &getTemplates()             { return $this->mTemplates; }
  58         function &getImages()                { return $this->mImages; }
  59         function &getExternalLinks()         { return $this->mExternalLinks; }
  60         function getNoGallery()              { return $this->mNoGallery; }
  61         function getSubtitle()               { return $this->mSubtitle; }
  62
  63         function containsOldMagic()          { return $this->mContainsOldMagic; }
  64         function setText( $text )            { return wfSetVar( $this->mText, $text ); }
  65         function setLanguageLinks( $ll )     { return wfSetVar( $this->mLanguageLinks, $ll ); }
  66         function setCategoryLinks( $cl )     { return wfSetVar( $this->mCategories, $cl ); }
  67         function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic, $com ); }
  68         function setCacheTime( $t )          { return wfSetVar( $this->mCacheTime, $t ); }
  69         function setTitleText( $t )          { return wfSetVar($this->mTitleText, $t); }
  70         function setSubtitle( $st )          { return wfSetVar( $this->mSubtitle, $st ); }
  71
  72         function addCategory( $c, $sort )    { $this->mCategories[$c] = $sort; }
  73         function addLanguageLink( $t )       { $this->mLanguageLinks[] = $t; }
  74         function addExternalLink( $url )     { $this->mExternalLinks[$url] = 1; }
  75
  76         function setNewSection( $value ) {
  77                 $this->mNewSection = (bool)$value;
  78         }
  79         function getNewSection() {
  80                 return (bool)$this->mNewSection;
  81         }
  82
  83         function addLink( $title, $id = null ) {
  84                 $ns = $title->getNamespace();
  85                 $dbk = $title->getDBkey();
  86                 if ( !isset( $this->mLinks[$ns] ) ) {
  87                         $this->mLinks[$ns] = array();
  88                 }
  89                 if ( is_null( $id ) ) {
  90                         $id = $title->getArticleID();
  91                 }
  92                 $this->mLinks[$ns][$dbk] = $id;
  93         }
  94
  95         function addImage( $name, $timestamp=NULL ) {
  96                 if( isset($this->mImages[$name]) )
  97                         return; // No repeated pointless DB calls!
  98                 $this->mImages[$name] = 1;
  99                 if( is_null($timestamp) ) {
 100                         wfProfileIn( __METHOD__ );
 101                         $dbr = wfGetDB(DB_SLAVE);
 102                         $timestamp = $dbr->selectField('image', 'img_timestamp',
 103                                 array('img_name' => $name),
 104                                 __METHOD__ );
 105                 }
 106                 $timestamp = $timestamp ? $timestamp : null;
 107                 $this->mImageTimestamps[$name] = $timestamp; // For versioning
 108         }
 109
 110         function addTemplate( $title, $page_id, $rev_id ) {
 111                 $ns = $title->getNamespace();
 112                 $dbk = $title->getDBkey();
 113                 if ( !isset( $this->mTemplates[$ns] ) ) {
 114                         $this->mTemplates[$ns] = array();
 115                 }
 116                 $this->mTemplates[$ns][$dbk] = $page_id;
 117                 if ( !isset( $this->mTemplateIds[$ns] ) ) {
 118                         $this->mTemplateIds[$ns] = array();
 119                 }
 120                 $this->mTemplateIds[$ns][$dbk] = $rev_id; // For versioning
 121         }
 122
 123         /**
 124          * Return true if this cached output object predates the global or
 125          * per-article cache invalidation timestamps, or if it comes from
 126          * an incompatible older version.
 127          *
 128          * @param string $touched the affected article's last touched timestamp
 129          * @return bool
 130          * @public
 131          */
 132         function expired( $touched ) {
 133                 global $wgCacheEpoch;
 134                 return $this->getCacheTime() == -1 || // parser says it's uncacheable
 135                        $this->getCacheTime() < $touched ||
 136                        $this->getCacheTime() <= $wgCacheEpoch ||
 137                        !isset( $this->mVersion ) ||
 138                        version_compare( $this->mVersion, Parser::VERSION, "lt" );
 139         }
 140
 141         /**
 142          * Add some text to the <head>.
 143          * If $tag is set, the section with that tag will only be included once
 144          * in a given page.
 145          */
 146         function addHeadItem( $section, $tag = false ) {
 147                 if ( $tag !== false ) {
 148                         $this->mHeadItems[$tag] = $section;
 149                 } else {
 150                         $this->mHeadItems[] = $section;
 151                 }
 152         }
 153 }
 154
 155 ?>