includes/CoreParserFunctions.php

   1 <?php
   2
   3 /**
   4  * Various core parser functions, registered in Parser::firstCallInit()
   5  */
   6
   7 class CoreParserFunctions {
   8         static function intFunction( $parser, $part1 = '' /*, ... */ ) {
   9                 if ( strval( $part1 ) !== '' ) {
  10                         $args = array_slice( func_get_args(), 2 );
  11                         return wfMsgReal( $part1, $args, true );
  12                 } else {
  13                         return array( 'found' => false );
  14                 }
  15         }
  16
  17         static function ns( $parser, $part1 = '' ) {
  18                 global $wgContLang;
  19                 $found = false;
  20                 if ( intval( $part1 ) || $part1 == "0" ) {
  21                         $text = $wgContLang->getNsText( intval( $part1 ) );
  22                         $found = true;
  23                 } else {
  24                         $param = str_replace( ' ', '_', strtolower( $part1 ) );
  25                         $index = Namespace::getCanonicalIndex( strtolower( $param ) );
  26                         if ( !is_null( $index ) ) {
  27                                 $text = $wgContLang->getNsText( $index );
  28                                 $found = true;
  29                         }
  30                 }
  31                 if ( $found ) {
  32                         return $text;
  33                 } else {
  34                         return array( 'found' => false );
  35                 }
  36         }
  37
  38         static function urlencode( $parser, $s = '' ) {
  39                 return urlencode( $s );
  40         }
  41
  42         static function lcfirst( $parser, $s = '' ) {
  43                 global $wgContLang;
  44                 return $wgContLang->lcfirst( $s );
  45         }
  46
  47         static function ucfirst( $parser, $s = '' ) {
  48                 global $wgContLang;
  49                 return $wgContLang->ucfirst( $s );
  50         }
  51
  52         static function lc( $parser, $s = '' ) {
  53                 global $wgContLang;
  54                 return $wgContLang->lc( $s );
  55         }
  56
  57         static function uc( $parser, $s = '' ) {
  58                 global $wgContLang;
  59                 return $wgContLang->uc( $s );
  60         }
  61
  62         static function localurl( $parser, $s = '', $arg = null ) { return self::urlFunction( 'getLocalURL', $s, $arg ); }
  63         static function localurle( $parser, $s = '', $arg = null ) { return self::urlFunction( 'escapeLocalURL', $s, $arg ); }
  64         static function fullurl( $parser, $s = '', $arg = null ) { return self::urlFunction( 'getFullURL', $s, $arg ); }
  65         static function fullurle( $parser, $s = '', $arg = null ) { return self::urlFunction( 'escapeFullURL', $s, $arg ); }
  66
  67         static function urlFunction( $func, $s = '', $arg = null ) {
  68                 $title = Title::newFromText( $s );
  69                 # Due to order of execution of a lot of bits, the values might be encoded
  70                 # before arriving here; if that's true, then the title can't be created
  71                 # and the variable will fail. If we can't get a decent title from the first
  72                 # attempt, url-decode and try for a second.
  73                 if( is_null( $title ) )
  74                         $title = Title::newFromUrl( urldecode( $s ) );
  75                 if ( !is_null( $title ) ) {
  76                         if ( !is_null( $arg ) ) {
  77                                 $text = $title->$func( $arg );
  78                         } else {
  79                                 $text = $title->$func();
  80                         }
  81                         return $text;
  82                 } else {
  83                         return array( 'found' => false );
  84                 }
  85         }
  86
  87         static function formatNum( $parser, $num = '' ) {
  88                 return $parser->getFunctionLang()->formatNum( $num );
  89         }
  90
  91         static function grammar( $parser, $case = '', $word = '' ) {
  92                 return $parser->getFunctionLang()->convertGrammar( $word, $case );
  93         }
  94
  95         static function plural( $parser, $text = '', $arg0 = null, $arg1 = null, $arg2 = null, $arg3 = null, $arg4 = null ) {
  96                 return $parser->getFunctionLang()->convertPlural( $text, $arg0, $arg1, $arg2, $arg3, $arg4 );
  97         }
  98
  99         static function displaytitle( $parser, $param = '' ) {
 100                 $parserOptions = new ParserOptions;
 101                 $local_parser = clone $parser;
 102                 $t2 = $local_parser->parse ( $param, $parser->mTitle, $parserOptions, false );
 103                 $parser->mOutput->mHTMLtitle = $t2->GetText();
 104
 105                 # Add subtitle
 106                 $t = $parser->mTitle->getPrefixedText();
 107                 $parser->mOutput->mSubtitle .= wfMsg('displaytitle', $t);
 108                 return '';
 109         }
 110
 111         static function isRaw( $param ) {
 112                 static $mwRaw;
 113                 if ( !$mwRaw ) {
 114                         $mwRaw =& MagicWord::get( 'rawsuffix' );
 115                 }
 116                 if ( is_null( $param ) ) {
 117                         return false;
 118                 } else {
 119                         return $mwRaw->match( $param );
 120                 }
 121         }
 122
 123         static function statisticsFunction( $func, $raw = null ) {
 124                 if ( self::isRaw( $raw ) ) {
 125                         return call_user_func( array( 'SiteStats', $func ) );
 126                 } else {
 127                         global $wgContLang;
 128                         return $wgContLang->formatNum( call_user_func( array( 'SiteStats', $func ) ) );
 129                 }
 130         }
 131
 132         static function numberofpages( $parser, $raw = null ) { return self::statisticsFunction( 'pages', $raw ); }
 133         static function numberofusers( $parser, $raw = null ) { return self::statisticsFunction( 'users', $raw ); }
 134         static function numberofarticles( $parser, $raw = null ) { return self::statisticsFunction( 'articles', $raw ); }
 135         static function numberoffiles( $parser, $raw = null ) { return self::statisticsFunction( 'images', $raw ); }
 136         static function numberofadmins( $parser, $raw = null ) { return self::statisticsFunction( 'admins', $raw ); }
 137
 138         static function pagesinnamespace( $parser, $namespace = 0, $raw = null ) {
 139                 $count = SiteStats::pagesInNs( intval( $namespace ) );
 140                 if ( self::isRaw( $raw ) ) {
 141                         global $wgContLang;
 142                         return $wgContLang->formatNum( $count );
 143                 } else {
 144                         return $count;
 145                 }
 146         }
 147
 148         static function language( $parser, $arg = '' ) {
 149                 global $wgContLang;
 150                 $lang = $wgContLang->getLanguageName( strtolower( $arg ) );
 151                 return $lang != '' ? $lang : $arg;
 152         }
 153
 154         static function pad( $string = '', $length = 0, $char = 0, $direction = STR_PAD_RIGHT ) {
 155                 $length = min( max( $length, 0 ), 500 );
 156                 $char = substr( $char, 0, 1 );
 157                 return ( $string && (int)$length > 0 && strlen( trim( (string)$char ) ) > 0 )
 158                                 ? str_pad( $string, $length, (string)$char, $direction )
 159                                 : $string;
 160         }
 161
 162         static function padleft( $parser, $string = '', $length = 0, $char = 0 ) {
 163                 return self::pad( $string, $length, $char, STR_PAD_LEFT );
 164         }
 165
 166         static function padright( $parser, $string = '', $length = 0, $char = 0 ) {
 167                 return self::pad( $string, $length, $char );
 168         }
 169
 170         static function anchorencode( $parser, $text ) {
 171                 return strtr( urlencode( $text ) , array( '%' => '.' , '+' => '_' ) );
 172         }
 173
 174         static function special( $parser, $text ) {
 175                 $title = SpecialPage::getTitleForAlias( $text );
 176                 if ( $title ) {
 177                         return $title->getPrefixedText();
 178                 } else {
 179                         return wfMsgForContent( 'nosuchspecialpage' );
 180                 }
 181         }
 182 }
 183
 184 ?>