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                 $found = false;
  69                 $title = Title::newFromText( $s );
  70                 # Due to order of execution of a lot of bits, the values might be encoded
  71                 # before arriving here; if that's true, then the title can't be created
  72                 # and the variable will fail. If we can't get a decent title from the first
  73                 # attempt, url-decode and try for a second.
  74                 if( is_null( $title ) )
  75                         $title = Title::newFromUrl( urldecode( $s ) );
  76                 if ( !is_null( $title ) ) {
  77                         if ( !is_null( $arg ) ) {
  78                                 $text = $title->$func( $arg );
  79                         } else {
  80                                 $text = $title->$func();
  81                         }
  82                         $found = true;
  83                 }
  84                 if ( $found ) {
  85                         return $text;
  86                 } else {
  87                         return array( 'found' => false );
  88                 }
  89         }
  90
  91         function formatNum( $parser, $num = '' ) {
  92                 return $parser->getFunctionLang()->formatNum( $num );
  93         }
  94
  95         function grammar( $parser, $case = '', $word = '' ) {
  96                 return $parser->getFunctionLang()->convertGrammar( $word, $case );
  97         }
  98
  99         function plural( $parser, $text = '', $arg0 = null, $arg1 = null, $arg2 = null, $arg3 = null, $arg4 = null ) {
 100                 return $parser->getFunctionLang()->convertPlural( $text, $arg0, $arg1, $arg2, $arg3, $arg4 );
 101         }
 102
 103         function displaytitle( $parser, $param = '' ) {
 104                 $parserOptions = new ParserOptions;
 105                 $local_parser = clone $parser;
 106                 $t2 = $local_parser->parse ( $param, $parser->mTitle, $parserOptions, false );
 107                 $parser->mOutput->mHTMLtitle = $t2->GetText();
 108
 109                 # Add subtitle
 110                 $t = $parser->mTitle->getPrefixedText();
 111                 $parser->mOutput->mSubtitle .= wfMsg('displaytitle', $t);
 112                 return '';
 113         }
 114
 115         function isRaw( $param ) {
 116                 static $mwRaw;
 117                 if ( !$mwRaw ) {
 118                         $mwRaw =& MagicWord::get( 'rawsuffix' );
 119                 }
 120                 if ( is_null( $param ) ) {
 121                         return false;
 122                 } else {
 123                         return $mwRaw->match( $param );
 124                 }
 125         }
 126
 127         function statisticsFunction( $func, $raw = null ) {
 128                 if ( self::isRaw( $raw ) ) {
 129                         return call_user_func( $func );
 130                 } else {
 131                         global $wgContLang;
 132                         return $wgContLang->formatNum( call_user_func( $func ) );
 133                 }
 134         }
 135
 136         function numberofpages( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfPages', $raw ); }
 137         function numberofusers( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfUsers', $raw ); }
 138         function numberofarticles( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfArticles', $raw ); }
 139         function numberoffiles( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfFiles', $raw ); }
 140         function numberofadmins( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfAdmins', $raw ); }
 141
 142         function pagesinnamespace( $parser, $namespace = 0, $raw = null ) {
 143                 $count = wfPagesInNs( intval( $namespace ) );
 144                 if ( self::isRaw( $raw ) ) {
 145                         global $wgContLang;
 146                         return $wgContLang->formatNum( $count );
 147                 } else {
 148                         return $count;
 149                 }
 150         }
 151
 152         function language( $parser, $arg = '' ) {
 153                 global $wgContLang;
 154                 $lang = $wgContLang->getLanguageName( strtolower( $arg ) );
 155                 return $lang != '' ? $lang : $arg;
 156         }
 157
 158         function pad( $string = '', $length = 0, $char = 0, $direction = STR_PAD_RIGHT ) {
 159                 $length = min( max( $length, 0 ), 500 );
 160                 $char = substr( $char, 0, 1 );
 161                 return ( $string && (int)$length > 0 && strlen( trim( (string)$char ) ) > 0 )
 162                                 ? str_pad( $string, $length, (string)$char, $direction )
 163                                 : $string;
 164         }
 165
 166         function padleft( $parser, $string = '', $length = 0, $char = 0 ) {
 167                 return self::pad( $string, $length, $char, STR_PAD_LEFT );
 168         }
 169
 170         function padright( $parser, $string = '', $length = 0, $char = 0 ) {
 171                 return self::pad( $string, $length, $char );
 172         }
 173
 174         function anchorencode( $parser, $text ) {
 175                 return str_replace( '%', '.', str_replace('+', '_', urlencode( $text ) ) );
 176         }
 177
 178         function special( $parser, $text ) {
 179                 $title = SpecialPage::getTitleForAlias( $text );
 180                 if ( $title ) {
 181                         return $title->getPrefixedText();
 182                 } else {
 183                         return wfMsgForContent( 'nosuchspecialpage' );
 184                 }
 185         }
 186 }
 187
 188 ?>