includes/CoreParserFunctions.php

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