MediaWiki r15276 - Code Review

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Repository:MediaWiki
Revision:< r15275‎ | r15276 (on ViewVC)‎ | r15277 >
Date:11:07, 3 July 2006
Author:tstarling
Status:old
Tags:
Comment:
Got rid of about 20 regex calls in braceSubstitution() relating to function-like constructs, replaced them with a hashtable lookup styled after the parser function extension interface. The function bodies were moved to CoreParserFunctions.php. Disabled PAGESINNAMESPACE by default, yet another O(N) count of page table rows.
Modified paths:

Diff [purge]

Index: trunk/phase3/includes/Parser.php
——@@ -33,6 +33,9 @@
3434 define( 'OT_WIKI', 2 );
3535 define( 'OT_MSG' , 3 );
3636
 37+# Flags for setFunctionHook
 38+define( 'SFH_NO_HASH', 1 );
 39+
3740 # string parameter for extractTags which will cause it
3841 # to strip HTML comments in addition to regular
3942 # <XML>-style tags. This should not be anything we
——@@ -100,11 +103,11 @@
101104 * @private
102105 */
103106 # Persistent:
104 - var $mTagHooks, $mFunctionHooks;
 107+ var $mTagHooks, $mFunctionHooks, $mFunctionSynonyms, $mVariables;
105108
106109 # Cleared with clearState():
107110 var $mOutput, $mAutonumber, $mDTopen, $mStripState = array();
108 - var $mVariables, $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
 111+ var $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
109112 var $mInterwikiLinkHolders, $mLinkHolders, $mUniqPrefix;
110113 var $mTemplates, // cache of already loaded templates, avoids
111114 // multiple SQL queries for the same string
——@@ -128,22 +131,69 @@
129132 function Parser() {
130133 $this->mTagHooks = array();
131134 $this->mFunctionHooks = array();
132 - $this->mFunctionSynonyms = array();
133 - $this->clearState();
134 - $this->setHook( 'pre', array( $this, 'renderPreTag' ) );
 135+ $this->mFunctionSynonyms = array( 0 => array(), 1 => array() );
 136+ $this->mFirstCall = true;
135137 }
136138
137139 /**
 140+ * Do various kinds of initialisation on the first call of the parser
 141+ */
 142+ function firstCallInit() {
 143+ if ( !$this->mFirstCall ) {
 144+ return;
 145+ }
 146+
 147+ wfProfileIn( __METHOD__ );
 148+ global $wgAllowDisplayTitle, $wgAllowSlowParserFunctions;
 149+
 150+ $this->setHook( 'pre', array( $this, 'renderPreTag' ) );
 151+
 152+ $this->setFunctionHook( MAG_NS, array( 'CoreParserFunctions', 'ns' ), SFH_NO_HASH );
 153+ $this->setFunctionHook( MAG_URLENCODE, array( 'CoreParserFunctions', 'urlencode' ), SFH_NO_HASH );
 154+ $this->setFunctionHook( MAG_LCFIRST, array( 'CoreParserFunctions', 'lcfirst' ), SFH_NO_HASH );
 155+ $this->setFunctionHook( MAG_UCFIRST, array( 'CoreParserFunctions', 'ucfirst' ), SFH_NO_HASH );
 156+ $this->setFunctionHook( MAG_LC, array( 'CoreParserFunctions', 'lc' ), SFH_NO_HASH );
 157+ $this->setFunctionHook( MAG_UC, array( 'CoreParserFunctions', 'uc' ), SFH_NO_HASH );
 158+ $this->setFunctionHook( MAG_LOCALURL, array( 'CoreParserFunctions', 'localurl' ), SFH_NO_HASH );
 159+ $this->setFunctionHook( MAG_LOCALURLE, array( 'CoreParserFunctions', 'localurle' ), SFH_NO_HASH );
 160+ $this->setFunctionHook( MAG_FULLURL, array( 'CoreParserFunctions', 'fullurl' ), SFH_NO_HASH );
 161+ $this->setFunctionHook( MAG_FULLURLE, array( 'CoreParserFunctions', 'fullurle' ), SFH_NO_HASH );
 162+ $this->setFunctionHook( MAG_FORMATNUM, array( 'CoreParserFunctions', 'formatnum' ), SFH_NO_HASH );
 163+ $this->setFunctionHook( MAG_GRAMMAR, array( 'CoreParserFunctions', 'grammar' ), SFH_NO_HASH );
 164+ $this->setFunctionHook( MAG_PLURAL, array( 'CoreParserFunctions', 'plural' ), SFH_NO_HASH );
 165+ $this->setFunctionHook( MAG_NUMBEROFPAGES, array( 'CoreParserFunctions', 'numberofpages' ), SFH_NO_HASH );
 166+ $this->setFunctionHook( MAG_NUMBEROFUSERS, array( 'CoreParserFunctions', 'numberofusers' ), SFH_NO_HASH );
 167+ $this->setFunctionHook( MAG_NUMBEROFARTICLES, array( 'CoreParserFunctions', 'numberofarticles' ), SFH_NO_HASH );
 168+ $this->setFunctionHook( MAG_NUMBEROFFILES, array( 'CoreParserFunctions', 'numberoffiles' ), SFH_NO_HASH );
 169+ $this->setFunctionHook( MAG_NUMBEROFADMINS, array( 'CoreParserFunctions', 'numberofadmins' ), SFH_NO_HASH );
 170+ $this->setFunctionHook( MAG_LANGUAGE, array( 'CoreParserFunctions', 'language' ), SFH_NO_HASH );
 171+
 172+ if ( $wgAllowDisplayTitle ) {
 173+ $this->setFunctionHook( MAG_DISPLAYTITLE, array( 'CoreParserFunctions', 'displaytitle' ), SFH_NO_HASH );
 174+ }
 175+ if ( $wgAllowSlowParserFunctions ) {
 176+ $this->setFunctionHook( MAG_PAGESINNAMESPACE, array( 'CoreParserFunctions', 'pagesinnamespace' ), SFH_NO_HASH );
 177+ }
 178+
 179+ $this->initialiseVariables();
 180+
 181+ $this->mFirstCall = false;
 182+ wfProfileOut( __METHOD__ );
 183+ }
 184+
 185+ /**
138186 * Clear Parser state
139187 *
140188 * @private
141189 */
142190 function clearState() {
 191+ if ( $this->mFirstCall ) {
 192+ $this->firstCallInit();
 193+ }
143194 $this->mOutput = new ParserOutput;
144195 $this->mAutonumber = 0;
145196 $this->mLastSection = '';
146197 $this->mDTopen = false;
147 - $this->mVariables = false;
148198 $this->mIncludeCount = array();
149199 $this->mStripState = array();
150200 $this->mArgStack = array();
——@@ -317,6 +367,11 @@
318368 function &getTitle() { return $this->mTitle; }
319369 function getOptions() { return $this->mOptions; }
320370
 371+ function getFunctionLang() {
 372+ global $wgLang, $wgContLang;
 373+ return $this->mOptions->getInterfaceMessage() ? $wgLang : $wgContLang;
 374+ }
 375+
321376 /**
322377 * Replaces all occurrences of HTML-style comments and the given tags
323378 * in the text with a random marker and returns teh next text. The output
——@@ -2285,6 +2340,7 @@
22862341 $fname = 'Parser::initialiseVariables';
22872342 wfProfileIn( $fname );
22882343 global $wgVariableIDs;
 2344+
22892345 $this->mVariables = array();
22902346 foreach ( $wgVariableIDs as $id ) {
22912347 $mw =& MagicWord::get( $id );
——@@ -2520,9 +2576,6 @@
25212577 $fname = 'Parser::variableSubstitution';
25222578 $varname = $matches[1];
25232579 wfProfileIn( $fname );
2524 - if ( !$this->mVariables ) {
2525 - $this->initialiseVariables();
2526 - }
25272580 $skip = false;
25282581 if ( $this->mOutputType == OT_WIKI ) {
25292582 # Do only magic variables prefixed by SUBST
——@@ -2661,199 +2714,26 @@
26622715 }
26632716 }
26642717
2665 - # NS
 2718+ # Parser functions
26662719 if ( !$found ) {
2667 - # Check for NS: (namespace expansion)
2668 - $mwNs = MagicWord::get( MAG_NS );
2669 - if ( $mwNs->matchStartAndRemove( $part1 ) ) {
2670 - if ( intval( $part1 ) || $part1 == "0" ) {
2671 - $text = $linestart . $wgContLang->getNsText( intval( $part1 ) );
2672 - $found = true;
 2720+ wfProfileIn( __METHOD__ . '-pfunc' );
 2721+
 2722+ $colonPos = strpos( $part1, ':' );
 2723+ if ( $colonPos !== false ) {
 2724+ # Case sensitive functions
 2725+ $function = substr( $part1, 0, $colonPos );
 2726+ if ( isset( $this->mFunctionSynonyms[1][$function] ) ) {
 2727+ $function = $this->mFunctionSynonyms[1][$function];
26732728 } else {
2674 - $param = str_replace( ' ', '_', strtolower( $part1 ) );
2675 - $index = Namespace::getCanonicalIndex( strtolower( $param ) );
2676 - if ( !is_null( $index ) ) {
2677 - $text = $linestart . $wgContLang->getNsText( $index );
2678 - $found = true;
2679 - }
2680 - }
2681 - }
2682 - }
2683 -
2684 - # URLENCODE
2685 - if( !$found ) {
2686 - $urlencode =& MagicWord::get( MAG_URLENCODE );
2687 - if( $urlencode->matchStartAndRemove( $part1 ) ) {
2688 - $text = $linestart . urlencode( $part1 );
2689 - $found = true;
2690 - }
2691 - }
2692 -
2693 - # LCFIRST, UCFIRST, LC and UC
2694 - if ( !$found ) {
2695 - $lcfirst =& MagicWord::get( MAG_LCFIRST );
2696 - $ucfirst =& MagicWord::get( MAG_UCFIRST );
2697 - $lc =& MagicWord::get( MAG_LC );
2698 - $uc =& MagicWord::get( MAG_UC );
2699 - if ( $lcfirst->matchStartAndRemove( $part1 ) ) {
2700 - $text = $linestart . $wgContLang->lcfirst( $part1 );
2701 - $found = true;
2702 - } else if ( $ucfirst->matchStartAndRemove( $part1 ) ) {
2703 - $text = $linestart . $wgContLang->ucfirst( $part1 );
2704 - $found = true;
2705 - } else if ( $lc->matchStartAndRemove( $part1 ) ) {
2706 - $text = $linestart . $wgContLang->lc( $part1 );
2707 - $found = true;
2708 - } else if ( $uc->matchStartAndRemove( $part1 ) ) {
2709 - $text = $linestart . $wgContLang->uc( $part1 );
2710 - $found = true;
2711 - }
2712 - }
2713 -
2714 - # LOCALURL and FULLURL
2715 - if ( !$found ) {
2716 - $mwLocal =& MagicWord::get( MAG_LOCALURL );
2717 - $mwLocalE =& MagicWord::get( MAG_LOCALURLE );
2718 - $mwFull =& MagicWord::get( MAG_FULLURL );
2719 - $mwFullE =& MagicWord::get( MAG_FULLURLE );
2720 -
2721 -
2722 - if ( $mwLocal->matchStartAndRemove( $part1 ) ) {
2723 - $func = 'getLocalURL';
2724 - } elseif ( $mwLocalE->matchStartAndRemove( $part1 ) ) {
2725 - $func = 'escapeLocalURL';
2726 - } elseif ( $mwFull->matchStartAndRemove( $part1 ) ) {
2727 - $func = 'getFullURL';
2728 - } elseif ( $mwFullE->matchStartAndRemove( $part1 ) ) {
2729 - $func = 'escapeFullURL';
2730 - } else {
2731 - $func = false;
2732 - }
2733 -
2734 - if ( $func !== false ) {
2735 - $title = Title::newFromText( $part1 );
2736 - # Due to order of execution of a lot of bits, the values might be encoded
2737 - # before arriving here; if that's true, then the title can't be created
2738 - # and the variable will fail. If we can't get a decent title from the first
2739 - # attempt, url-decode and try for a second.
2740 - if( is_null( $title ) )
2741 - $title = Title::newFromUrl( urldecode( $part1 ) );
2742 - if ( !is_null( $title ) ) {
2743 - if ( $argc > 0 ) {
2744 - $text = $linestart . $title->$func( $args[0] );
 2729+ # Case insensitive functions
 2730+ $function = strtolower( $function );
 2731+ if ( isset( $this->mFunctionSynonyms[0][$function] ) ) {
 2732+ $function = $this->mFunctionSynonyms[0][$function];
27452733 } else {
2746 - $text = $linestart . $title->$func();
 2734+ $function = false;
27472735 }
2748 - $found = true;
27492736 }
2750 - }
2751 - }
2752 -
2753 - $lang = $this->mOptions->getInterfaceMessage() ? $wgLang : $wgContLang;
2754 - if ( !$found && $argc == 1 ) {
2755 - $mwGrammar =& MagicWord::get( MAG_FORMATNUM );
2756 - if ( $mwGrammar->matchStartAndRemove( $part1 ) ) {
2757 - $text = $linestart . $lang->formatNum( $args[0] );
2758 - $found = true;
2759 - }
2760 - }
2761 -
2762 -
2763 - # GRAMMAR
2764 - if ( !$found && $argc == 1 ) {
2765 - $mwGrammar =& MagicWord::get( MAG_GRAMMAR );
2766 - if ( $mwGrammar->matchStartAndRemove( $part1 ) ) {
2767 - $text = $linestart . $lang->convertGrammar( $args[0], $part1 );
2768 - $found = true;
2769 - }
2770 - }
2771 -
2772 - # PLURAL
2773 - if ( !$found && $argc >= 2 ) {
2774 - $mwPluralForm =& MagicWord::get( MAG_PLURAL );
2775 - if ( $mwPluralForm->matchStartAndRemove( $part1 ) ) {
2776 - while ( count($args) < 5 ) { $args[] = $args[count($args)-1]; }
2777 - $text = $linestart . $lang->convertPlural( $part1, $args[0], $args[1],
2778 - $args[2], $args[3], $args[4]);
2779 - $found = true;
2780 - }
2781 - }
2782 -
2783 - # DISPLAYTITLE
2784 - if ( !$found && $argc == 1 && $wgAllowDisplayTitle ) {
2785 - $mwDT =& MagicWord::get( MAG_DISPLAYTITLE );
2786 - if ( $mwDT->matchStartAndRemove( $part1 ) ) {
2787 -
2788 - # Set title in parser output object
2789 - $param = $args[0];
2790 - $parserOptions = new ParserOptions;
2791 - $local_parser = new Parser ();
2792 - $t2 = $local_parser->parse ( $param, $this->mTitle, $parserOptions, false );
2793 - $this->mOutput->mHTMLtitle = $t2->GetText();
2794 -
2795 - # Add subtitle
2796 - $t = $this->mTitle->getPrefixedText();
2797 - $this->mOutput->mSubtitle .= wfMsg('displaytitle', $t);
2798 - $text = "" ;
2799 - $found = true ;
2800 - }
2801 - }
2802 -
2803 - # NUMBEROFPAGES, NUMBEROFUSERS, NUMBEROFARTICLES, and NUMBEROFFILES
2804 - if( !$found ) {
2805 - $mwWordsToCheck = array( MAG_NUMBEROFPAGES => 'wfNumberOfPages',
2806 - MAG_NUMBEROFUSERS => 'wfNumberOfUsers',
2807 - MAG_NUMBEROFARTICLES => 'wfNumberOfArticles',
2808 - MAG_NUMBEROFFILES => 'wfNumberOfFiles',
2809 - MAG_NUMBEROFADMINS => 'wfNumberOfAdmins' );
2810 - foreach( $mwWordsToCheck as $word => $func ) {
2811 - $mwCurrentWord =& MagicWord::get( $word );
2812 - if( $mwCurrentWord->matchStartAndRemove( $part1 ) ) {
2813 - $mwRawSuffix =& MagicWord::get( MAG_RAWSUFFIX );
2814 - if( isset( $args[0] ) && $mwRawSuffix->match( $args[0] ) ) {
2815 - # Raw and unformatted
2816 - $text = $linestart . call_user_func( $func );
2817 - } else {
2818 - # Formatted according to the content default
2819 - $text = $linestart . $wgContLang->formatNum( call_user_func( $func ) );
2820 - }
2821 - $found = true;
2822 - }
2823 - }
2824 - }
2825 -
2826 - # PAGESINNAMESPACE
2827 - if( !$found ) {
2828 - $mwPagesInNs =& MagicWord::get( MAG_PAGESINNAMESPACE );
2829 - if( $mwPagesInNs->matchStartAndRemove( $part1 ) ) {
2830 - $found = true;
2831 - $count = wfPagesInNs( intval( $part1 ) );
2832 - $mwRawSuffix =& MagicWord::get( MAG_RAWSUFFIX );
2833 - if( isset( $args[0] ) && $mwRawSuffix->match( $args[0] ) ) {
2834 - $text = $linestart . $count;
2835 - } else {
2836 - $text = $linestart . $wgContLang->formatNum( $count );
2837 - }
2838 - }
2839 - }
2840 -
2841 - # #LANGUAGE:
2842 - if( !$found ) {
2843 - $mwLanguage =& MagicWord::get( MAG_LANGUAGE );
2844 - if( $mwLanguage->matchStartAndRemove( $part1 ) ) {
2845 - $lang = $wgContLang->getLanguageName( strtolower( $part1 ) );
2846 - $text = $linestart . ( $lang != '' ? $lang : $part1 );
2847 - $found = true;
2848 - }
2849 - }
2850 -
2851 - # Extensions
2852 - if ( !$found && substr( $part1, 0, 1 ) == '#' ) {
2853 - $colonPos = strpos( $part1, ':' );
2854 - if ( $colonPos !== false ) {
2855 - $function = strtolower( substr( $part1, 1, $colonPos - 1 ) );
2856 - if ( isset( $this->mFunctionSynonyms[$function] ) ) {
2857 - $function = $this->mFunctionSynonyms[$function];
 2737+ if ( $function ) {
28582738 $funcArgs = array_map( 'trim', $args );
28592739 $funcArgs = array_merge( array( &$this, trim( substr( $part1, $colonPos + 1 ) ) ), $funcArgs );
28602740 $result = call_user_func_array( $this->mFunctionHooks[$function], $funcArgs );
——@@ -2862,10 +2742,12 @@
28632743 // The text is usually already parsed, doesn't need triple-brace tags expanded, etc.
28642744 //$noargs = true;
28652745 //$noparse = true;
2866 -
 2746+
28672747 if ( is_array( $result ) ) {
2868 - $text = $linestart . $result[0];
2869 - unset( $result[0] );
 2748+ if ( isset( $result[0] ) ) {
 2749+ $text = $linestart . $result[0];
 2750+ unset( $result[0] );
 2751+ }
28702752
28712753 // Extract flags into the local scope
28722754 // This allows callers to set flags such as nowiki, noparse, found, etc.
——@@ -2875,6 +2757,7 @@
28762758 }
28772759 }
28782760 }
 2761+ wfProfileOut( __METHOD__ . '-pfunc' );
28792762 }
28802763
28812764 # Template table test
——@@ -3893,22 +3776,43 @@
38943777 *
38953778 * @param mixed $id The magic word ID, or (deprecated) the function name. Function names are case-insensitive.
38963779 * @param mixed $callback The callback function (and object) to use
 3780+ * @param integer $flags a combination of the following flags:
 3781+ * SFH_NO_HASH No leading hash, i.e. {{plural:...}} instead of {{#if:...}}
38973782 *
38983783 * @return The old callback function for this name, if any
38993784 */
3900 - function setFunctionHook( $id, $callback ) {
 3785+ function setFunctionHook( $id, $callback, $flags = 0 ) {
39013786 if( is_string( $id ) ) {
39023787 $id = strtolower( $id );
39033788 }
39043789 $oldVal = @$this->mFunctionHooks[$id];
39053790 $this->mFunctionHooks[$id] = $callback;
 3791+
39063792 # Add to function cache
39073793 if ( is_int( $id ) ) {
39083794 $mw = MagicWord::get( $id );
3909 - $mw->addToArray( $this->mFunctionSynonyms, $id );
 3795+ $synonyms = $mw->getSynonyms();
 3796+ $sensitive = intval( $mw->isCaseSensitive() );
39103797 } else {
3911 - $this->mFunctionSynonyms[$id] = $id;
 3798+ $synonyms = array( $id );
 3799+ $sensitive = 0;
39123800 }
 3801+
 3802+ foreach ( $synonyms as $syn ) {
 3803+ # Case
 3804+ if ( !$sensitive ) {
 3805+ $syn = strtolower( $syn );
 3806+ }
 3807+ # Add leading hash
 3808+ if ( !( $flags & SFH_NO_HASH ) ) {
 3809+ $syn = '#' . $syn;
 3810+ }
 3811+ # Remove trailing colon
 3812+ if ( substr( $syn, -1, 1 ) == ':' ) {
 3813+ $syn = substr( $syn, 0, -1 );
 3814+ }
 3815+ $this->mFunctionSynonyms[$sensitive][$syn] = $id;
 3816+ }
39133817 return $oldVal;
39143818 }
39153819
Index: trunk/phase3/includes/AutoLoader.php
——@@ -27,6 +27,7 @@
2828 'ChangesList' => 'includes/ChangesList.php',
2929 'OldChangesList' => 'includes/ChangesList.php',
3030 'EnhancedChangesList' => 'includes/ChangesList.php',
 31+ 'CoreParserFunctions' => 'includes/CoreParserFunctions.php',
3132 'DBObject' => 'includes/Database.php',
3233 'Database' => 'includes/Database.php',
3334 'DatabaseMysql' => 'includes/Database.php',
Index: trunk/phase3/includes/DefaultSettings.php
——@@ -1128,6 +1128,8 @@
11291129 $wgWLCacheTimeout = 3600;
11301130 /** Number of links to a page required before it is deemed "wanted" */
11311131 $wgWantedPagesThreshold = 1;
 1132+/** Enable slow parser functions */
 1133+$wgAllowSlowParserFunctions = false;
11321134
11331135 /**
11341136 * To use inline TeX, you need to compile 'texvc' (in the 'math' subdirectory of
Index: trunk/phase3/includes/CoreParserFunctions.php
——@@ -0,0 +1,150 @@
 2+<?php
 3+
 4+/**
 5+ * Various core parser functions, registered in Parser::firstCallInit()
 6+ */
 7+
 8+class CoreParserFunctions {
 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( MAG_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+ global $wgContLang;
 122+ return $wgContLang->formatNum( call_user_func( $func ) );
 123+ } else {
 124+ return 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+
 151+?>
Property changes on: trunk/phase3/includes/CoreParserFunctions.php
___________________________________________________________________
Added: svn:eol-style
1152 + native
Retrieved from "http://www.mediawiki.org/wiki/Special:Code/MediaWiki/15276"