includes/parser/ParserOutput.php

   1 <?php
   2 /**
   3  * @todo document
   4  * @ingroup 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                 $mTitleText,                  # title text of the chosen language variant
  13                 $mCacheTime = '',             # Time when this object was generated, or -1 for uncacheable. Used in ParserCache.
  14                 $mVersion = Parser::VERSION,  # Compatibility check
  15                 $mLinks = array(),            # 2-D map of NS/DBK to ID for the links in the document. ID=zero for broken.
  16                 $mTemplates = array(),        # 2-D map of NS/DBK to ID for the template references. ID=zero for broken.
  17                 $mTemplateIds = array(),      # 2-D map of NS/DBK to rev ID for the template references. ID=zero for broken.
  18                 $mImages = array(),           # DB keys of the images used, in the array key only
  19                 $mExternalLinks = array(),    # External link URLs, in the key only
  20                 $mNewSection = false,         # Show a new section link?
  21                 $mNoGallery = false,          # No gallery on category page? (__NOGALLERY__)
  22                 $mHeadItems = array(),        # Items to put in the <head> section
  23                 $mOutputHooks = array(),      # Hook tags as per $wgParserOutputHooks
  24                 $mWarnings = array(),         # Warning text to be returned to the user. Wikitext formatted, in the key only
  25                 $mSections = array(),         # Table of contents
  26                 $mProperties = array();       # Name/value pairs to be cached in the DB
  27         private $mIndexPolicy = '';           # 'index' or 'noindex'?  Any other value will result in no change.
  28
  29         /**
  30          * Overridden title for display
  31          */
  32         private $displayTitle = false;
  33
  34         function ParserOutput( $text = '', $languageLinks = array(), $categoryLinks = array(),
  35                 $containsOldMagic = false, $titletext = '' )
  36         {
  37                 $this->mText = $text;
  38                 $this->mLanguageLinks = $languageLinks;
  39                 $this->mCategories = $categoryLinks;
  40                 $this->mContainsOldMagic = $containsOldMagic;
  41                 $this->mTitleText = $titletext;
  42         }
  43
  44         function getText()                   { return $this->mText; }
  45         function &getLanguageLinks()         { return $this->mLanguageLinks; }
  46         function getCategoryLinks()          { return array_keys( $this->mCategories ); }
  47         function &getCategories()            { return $this->mCategories; }
  48         function getCacheTime()              { return $this->mCacheTime; }
  49         function getTitleText()              { return $this->mTitleText; }
  50         function getSections()               { return $this->mSections; }
  51         function &getLinks()                 { return $this->mLinks; }
  52         function &getTemplates()             { return $this->mTemplates; }
  53         function &getImages()                { return $this->mImages; }
  54         function &getExternalLinks()         { return $this->mExternalLinks; }
  55         function getNoGallery()              { return $this->mNoGallery; }
  56         function getSubtitle()               { return $this->mSubtitle; }
  57         function getOutputHooks()            { return (array)$this->mOutputHooks; }
  58         function getWarnings()               { return array_keys( $this->mWarnings ); }
  59         function getIndexPolicy()            { return $this->mIndexPolicy; }
  60
  61         function containsOldMagic()          { return $this->mContainsOldMagic; }
  62         function setText( $text )            { return wfSetVar( $this->mText, $text ); }
  63         function setLanguageLinks( $ll )     { return wfSetVar( $this->mLanguageLinks, $ll ); }
  64         function setCategoryLinks( $cl )     { return wfSetVar( $this->mCategories, $cl ); }
  65         function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic, $com ); }
  66         function setCacheTime( $t )          { return wfSetVar( $this->mCacheTime, $t ); }
  67         function setTitleText( $t )          { return wfSetVar( $this->mTitleText, $t ); }
  68         function setSections( $toc )         { return wfSetVar( $this->mSections, $toc ); }
  69         function setIndexPolicy( $policy )   { return wfSetVar( $this->mIndexPolicy, $policy ); }
  70
  71         function addCategory( $c, $sort )    { $this->mCategories[$c] = $sort; }
  72         function addLanguageLink( $t )       { $this->mLanguageLinks[] = $t; }
  73         function addExternalLink( $url )     { $this->mExternalLinks[$url] = 1; }
  74         function addWarning( $s )            { $this->mWarnings[$s] = 1; }
  75
  76         function addOutputHook( $hook, $data = false ) {
  77                 $this->mOutputHooks[] = array( $hook, $data );
  78         }
  79
  80         function setNewSection( $value ) {
  81                 $this->mNewSection = (bool)$value;
  82         }
  83         function getNewSection() {
  84                 return (bool)$this->mNewSection;
  85         }
  86
  87         function addLink( $title, $id = null ) {
  88                 $ns = $title->getNamespace();
  89                 $dbk = $title->getDBkey();
  90                 if ( $ns == NS_MEDIA ) {
  91                         // Normalize this pseudo-alias if it makes it down here...
  92                         $ns = NS_FILE;
  93                 } elseif( $ns == NS_SPECIAL ) {
  94                         // We don't record Special: links currently
  95                         // It might actually be wise to, but we'd need to do some normalization.
  96                         return;
  97                 } elseif( $dbk === '' ) {
  98                         // Don't record self links -  [[#Foo]]
  99                         return;
 100                 }
 101                 if ( !isset( $this->mLinks[$ns] ) ) {
 102                         $this->mLinks[$ns] = array();
 103                 }
 104                 if ( is_null( $id ) ) {
 105                         $id = $title->getArticleID();
 106                 }
 107                 $this->mLinks[$ns][$dbk] = $id;
 108         }
 109
 110         function addImage( $name ) {
 111                 $this->mImages[$name] = 1;
 112         }
 113
 114         function addTemplate( $title, $page_id, $rev_id ) {
 115                 $ns = $title->getNamespace();
 116                 $dbk = $title->getDBkey();
 117                 if ( !isset( $this->mTemplates[$ns] ) ) {
 118                         $this->mTemplates[$ns] = array();
 119                 }
 120                 $this->mTemplates[$ns][$dbk] = $page_id;
 121                 if ( !isset( $this->mTemplateIds[$ns] ) ) {
 122                         $this->mTemplateIds[$ns] = array();
 123                 }
 124                 $this->mTemplateIds[$ns][$dbk] = $rev_id; // For versioning
 125         }
 126
 127         /**
 128          * Return true if this cached output object predates the global or
 129          * per-article cache invalidation timestamps, or if it comes from
 130          * an incompatible older version.
 131          *
 132          * @param string $touched the affected article's last touched timestamp
 133          * @return bool
 134          * @public
 135          */
 136         function expired( $touched ) {
 137                 global $wgCacheEpoch;
 138                 return $this->getCacheTime() == -1 || // parser says it's uncacheable
 139                        $this->getCacheTime() < $touched ||
 140                        $this->getCacheTime() <= $wgCacheEpoch ||
 141                        !isset( $this->mVersion ) ||
 142                        version_compare( $this->mVersion, Parser::VERSION, "lt" );
 143         }
 144
 145         /**
 146          * Add some text to the <head>.
 147          * If $tag is set, the section with that tag will only be included once
 148          * in a given page.
 149          */
 150         function addHeadItem( $section, $tag = false ) {
 151                 if ( $tag !== false ) {
 152                         $this->mHeadItems[$tag] = $section;
 153                 } else {
 154                         $this->mHeadItems[] = $section;
 155                 }
 156         }
 157
 158         /**
 159          * Override the title to be used for display
 160          * -- this is assumed to have been validated
 161          * (check equal normalisation, etc.)
 162          *
 163          * @param string $text Desired title text
 164          */
 165         public function setDisplayTitle( $text ) {
 166                 $this->displayTitle = $text;
 167         }
 168
 169         /**
 170          * Get the title to be used for display
 171          *
 172          * @return string
 173          */
 174         public function getDisplayTitle() {
 175                 return $this->displayTitle;
 176         }
 177
 178         /**
 179          * Fairly generic flag setter thingy.
 180          */
 181         public function setFlag( $flag ) {
 182                 $this->mFlags[$flag] = true;
 183         }
 184
 185         public function getFlag( $flag ) {
 186                 return isset( $this->mFlags[$flag] );
 187         }
 188
 189         /**
 190          * Set a property to be cached in the DB
 191          */
 192         public function setProperty( $name, $value ) {
 193                 $this->mProperties[$name] = $value;
 194         }
 195
 196         public function getProperty( $name ){
 197                 return isset( $this->mProperties[$name] ) ? $this->mProperties[$name] : false;
 198         }
 199
 200         public function getProperties() {
 201                 if ( !isset( $this->mProperties ) ) {
 202                         $this->mProperties = array();
 203                 }
 204                 return $this->mProperties;
 205         }
 206 }