Localisation updates for core messages from translatewiki.net (2009-09-20 23:06 UTC)
[lhc/web/wiklou.git] / languages / LanguageConverter.php
index 746adb7..a1f6681 100644 (file)
@@ -21,8 +21,6 @@ class LanguageConverter {
        var $mVariants, $mVariantFallbacks, $mVariantNames;
        var $mTablesLoaded = false;
        var $mTables;
-       var $mManualAddTables;
-       var $mManualRemoveTables;
        var $mNamespaceTables;
        var $mTitleDisplay='';
        var $mDoTitleConvert=true, $mDoContentConvert=true;
@@ -34,7 +32,6 @@ class LanguageConverter {
        var $mFlags;
        var $mDescCodeSep = ':',$mDescVarSep = ';';
        var $mUcfirst = false;
-       var $mGroups = array();
 
        const CACHE_VERSION_KEY = 'VERSION 6';
 
@@ -49,7 +46,7 @@ class LanguageConverter {
         * @param array $manualLevel limit for supported variants
         * @public
         */
-       function __construct($langobj, $maincode,
+       function __construct( $langobj, $maincode,
                                                                $variants=array(),
                                                                $variantfallbacks=array(),
                                                                $markup=array(),
@@ -57,7 +54,13 @@ class LanguageConverter {
                                                                $manualLevel = array() ) {
                $this->mLangObj = $langobj;
                $this->mMainLanguageCode = $maincode;
-               $this->mVariants = $variants;
+
+               global $wgDisabledVariants;
+               $this->mVariants = array();
+               foreach( $variants as $variant ) {
+                       if( !in_array( $variant, $wgDisabledVariants ) )
+                               $this->mVariants[] = $variant;
+               }
                $this->mVariantFallbacks = $variantfallbacks;
                global $wgLanguageNames;
                $this->mVariantNames = $wgLanguageNames;
@@ -89,8 +92,6 @@ class LanguageConverter {
                        $this->mManualLevel[$v]=array_key_exists($v,$manualLevel)
                                                                ?$manualLevel[$v]
                                                                :'bidirectional';
-                       $this->mManualAddTables[$v] = array();
-                       $this->mManualRemoveTables[$v] = array();
                        $this->mNamespaceTables[$v] = array();
                        $this->mFlags[$v] = $v;
                }
@@ -183,28 +184,54 @@ class LanguageConverter {
                        // variable in case this is called before the user's
                        // preference is loaded
                        if( array_key_exists( 'HTTP_ACCEPT_LANGUAGE', $_SERVER ) ) {
-                               $acceptLanguage = str_replace( '_', '-', strtolower($_SERVER["HTTP_ACCEPT_LANGUAGE"]));
+                               $acceptLanguage = strtolower( $_SERVER['HTTP_ACCEPT_LANGUAGE'] );
                                
-                               // take the part of the string up to the first semicolon
-                               if($semiPos = strpos( $acceptLanguage, ';' ) !== false )
-                                       $acceptLanguage = substr( $acceptLanguage, 0, $semiPos );
-
                                // explode by comma
-                               $languages = explode(',', $acceptLanguage);
+                               $result = explode(',', $acceptLanguage);
+                               
+                               $languages = array();
+
+                               foreach( $result as $elem ) {
+                                       // if $elem likes 'zh-cn;q=0.9'
+                                       if(($posi = strpos( $elem, ';' )) !== false ) {
+                                               // get the real language code likes 'zh-cn'
+                                               $languages[] = substr( $elem, 0, $posi );
+                                       }
+                                       else {
+                                               $languages[] = $elem;
+                                       }
+                               }
 
+                               $fallback_languages = array();
                                foreach( $languages as $language ) {
                                        // strip whitespace
                                        $language = trim( $language );
                                        if( in_array( $language, $this->mVariants ) ) {
                                                return $language;
-                                               break;
+                                       }
+                                       else {
+                                               // To see if there are fallbacks of current language.
+                                               // We record these fallback variants, and process
+                                               // them later.
+                                               $fallbacks = $this->getVariantFallbacks( $language );
+                                               if( is_string( $fallbacks ) )
+                                                       $fallback_languages[] = $fallbacks;
+                                               elseif( is_array( $fallbacks ) )
+                                                       $fallback_languages = array_merge( $fallback_languages, $fallbacks );
+                                       }
+                               }
+
+                               // process fallback languages now
+                               $fallback_languages = array_unique( $fallback_languages );
+                               foreach( $fallback_languages as $language ) {
+                                       if( in_array( $language, $this->mVariants ) ) {
+                                               return $language;
                                        }
                                }
                        }
                }
 
                return $this->mMainLanguageCode;
-
        }
        
        /**
@@ -366,7 +393,7 @@ class LanguageConverter {
         * prepare manual conversion table
         * @private
         */
-       function prepareManualConv( $convRule ){
+       function applyManualConv( $convRule ){
                // use syntax -{T|zh:TitleZh;zh-tw:TitleTw}- for custom conversion in title
                $title = $convRule->getTitle();
                if( $title ){
@@ -377,38 +404,20 @@ class LanguageConverter {
                //apply manual conversion table to global table
                $convTable = $convRule->getConvTable();
                $action = $convRule->getRulesAction();
-               foreach( $convTable as $v => $t ) {
-                       if( !in_array( $v, $this->mVariants ) )continue;
+               foreach( $convTable as $variant => $pair ) {
+                       if( !in_array( $variant, $this->mVariants ) )continue;
                        if( $action=="add" ) {
-                               foreach( $t as $from => $to ) {
+                               foreach( $pair as $from => $to ) {
                                        // to ensure that $from and $to not be left blank
                                        // so $this->translate() could always return a string
                                        if ( $from || $to )
                                                // more efficient than array_merge(), about 2.5 times.
-                                               $this->mManualAddTables[$v][$from] = $to;
+                                               $this->mTables[$variant]->setPair( $from, $to );
                                }
                        }
                        elseif ( $action == "remove" ) {
-                               foreach ( $t as $from=>$to ) {
-                                       if ( $from || $to )
-                                               $this->mManualRemoveTables[$v][$from] = $to;
-                               }
-                       }
-               }
-       }
-
-       /**
-        * apply manual conversion from $this->mManualAddTables and $this->mManualRemoveTables
-        * @private
-        */
-       function applyManualConv(){
-               //apply manual conversion table to global table
-               foreach($this->mVariants as $v) {
-                       if (count($this->mManualAddTables[$v]) > 0) {
-                               $this->mTables[$v]->mergeArray($this->mManualAddTables[$v]);
+                               $this->mTables[$variant]->removeArray( $pair );
                        }
-                       if (count($this->mManualRemoveTables[$v]) > 0)
-                               $this->mTables[$v]->removeArray($this->mManualRemoveTables[$v]);
                }
        }
 
@@ -420,7 +429,7 @@ class LanguageConverter {
                global $wgDisableLangConversion;
                /* don't do anything if this is the conversion table */
                if ( $parser->getTitle()->getNamespace() == NS_MEDIAWIKI &&
-                                strpos($parser->mTitle->getText(), 'onversiontable') !== false ) 
+                                strpos($parser->mTitle->getText(), "Conversiontable") !== false ) 
                {
                        return $text;
                }
@@ -496,11 +505,10 @@ class LanguageConverter {
         *
         * @param string $text text to be converted
         * @param bool $isTitle whether this conversion is for the article title
-        * @param string $variant the variant we convert to
         * @return string converted text
         * @public
         */
-       function convert( $text, $isTitle = false, $variant = null ) {
+       function convert( $text, $isTitle = false ) {
 
                $mw =& MagicWord::get( 'notitleconvert' );
                if( $mw->matchAndRemove( $text ) )
@@ -515,10 +523,7 @@ class LanguageConverter {
                if( $mw->matchStart( $text ) )
                        return $text;
 
-               if( $variant && in_array( $variant, $this->mVariants ) )
-                       $plang = $variant;
-               else
-                       $plang = $this->getPreferredVariant();
+               $plang = $this->getPreferredVariant();
 
                // for title convertion
                if ( $isTitle ) return $this->convertTitle( $text, $plang );
@@ -526,31 +531,29 @@ class LanguageConverter {
                $tarray = StringUtils::explode( $this->mMarkup['end'], $text );
                $text = '';
 
-               $marks = array();
                foreach ( $tarray as $txt ) {
+
                        $marked = explode( $this->mMarkup['begin'], $txt, 2 );
+
+                       if( $this->mDoContentConvert )
+                               // Bug 19620: should convert a string immediately after a new rule added.
+                               $text .= $this->autoConvert( $marked[0], $plang );
+                       else
+                               $text .= $marked[0];
+
                        if ( array_key_exists( 1, $marked ) ) {
                                $crule = new ConverterRule($marked[1], $this);
                                $crule->parse( $plang );
-                               $marked[1] = $crule->getDisplay();
-                               $this->prepareManualConv( $crule );
+                               $text .= $crule->getDisplay();
+                               $this->applyManualConv( $crule );
                        }
                        else
-                               $marked[0] .= $this->mMarkup['end'];
-                       array_push( $marks, $marked );
-               }
-               $this->applyManualConv();
-               foreach ( $marks as $marked ) {
-                       if( $this->mDoContentConvert )
-                               $text .= $this->autoConvert( $marked[0], $plang );
-                       else
-                               $text .= $marked[0];
-                       if( array_key_exists( 1, $marked ) )
-                               $text .= $marked[1];
+                               $text .= $this->mMarkup['end'];
+
                }
+
                // Remove the last delimiter (wasn't real)
                $text = substr( $text, 0, -strlen( $this->mMarkup['end'] ) );
-
                return $text;
        }
 
@@ -568,6 +571,11 @@ class LanguageConverter {
         * @public
         */
        function findVariantLink( &$link, &$nt, $ignoreOtherCond = false ) {
+               # If the article has already existed, there is no need to
+               # check it again, otherwise it may cause a fault.
+               if ( is_object( $nt ) && $nt->exists() )
+                       return;
+
                global $wgDisableLangConversion, $wgDisableTitleConversion, $wgRequest, $wgUser;
                $isredir = $wgRequest->getText( 'redirect', 'yes' );
                $action = $wgRequest->getText( 'action' );
@@ -581,7 +589,7 @@ class LanguageConverter {
                        || $action == 'submit' || $linkconvert == 'no' || $wgUser->getOption('noconvertlink') == 1 ) ) )
                        return;
 
-               if(is_object($nt))
+               if ( is_object( $nt ) )
                        $ns = $nt->getNamespace();
 
                $variants = $this->autoConvertToAllVariants($link);
@@ -673,7 +681,7 @@ class LanguageConverter {
         * load conversion tables either from the cache or the disk
         * @private
         */
-       function loadTables( $fromcache = true ) {
+       function loadTables($fromcache=true) {
                global $wgMemc;
                if( $this->mTablesLoaded )
                        return;
@@ -691,14 +699,9 @@ class LanguageConverter {
                        // we will first load the default tables
                        // then update them using things in MediaWiki:Zhconversiontable/*
                        $this->loadDefaultTables();
-                       foreach( $this->mVariants as $var ) {
-                               $cached = $this->parseCachedTable( $var );
-                               // load group convert table, e.g. [[MediaWiki:Groupconversiontable-StarTrek]].
-                               foreach( $this->mGroups as $group ) {
-                                       $cachedgroup = $this->parseCachedTable( $var, '', true, "Groupconversiontable-$group" );
-                                       $cached = array_merge( $cached, $cachedgroup );
-                               }
-                               $this->mTables[$var]->mergeArray( $cached );
+                       foreach($this->mVariants as $var) {
+                               $cached = $this->parseCachedTable($var);
+                               $this->mTables[$var]->mergeArray($cached);
                        }
 
                        $this->postLoadTables();
@@ -746,24 +749,24 @@ class LanguageConverter {
         *      and will be parsed recursively if $recursive=true
         *
         */
-       function parseCachedTable($code, $subpage='', $recursive=true, $table='Conversiontable') {
+       function parseCachedTable($code, $subpage='', $recursive=true) {
                global $wgMessageCache;
                static $parsed = array();
 
                if(!is_object($wgMessageCache))
                        return array();
 
-               $key = "$table/".$code;
+               $key = 'Conversiontable/'.$code;
                if($subpage)
                        $key .= '/' . $subpage;
 
                if(array_key_exists($key, $parsed))
                        return array();
-               
+
                if ( strpos( $code, '/' ) === false ) {
-                       $txt = $wgMessageCache->get( $table, true, $code );
+                       $txt = $wgMessageCache->get( 'Conversiontable', true, $code );
                } else {
-                       $title = Title::makeTitleSafe( NS_MEDIAWIKI, "$table/$code" );
+                       $title = Title::makeTitleSafe( NS_MEDIAWIKI, "Conversiontable/$code" );
                        if ( $title && $title->exists() ) {
                                $article = new Article( $title );
                                $txt = $article->getContents();
@@ -771,9 +774,10 @@ class LanguageConverter {
                                $txt = '';
                        }
                }
+
                // get all subpage links of the form
                // [[MediaWiki:conversiontable/zh-xx/...|...]]
-               $linkhead = $this->mLangObj->getNsText(NS_MEDIAWIKI) . ":$table";
+               $linkhead = $this->mLangObj->getNsText(NS_MEDIAWIKI) . ':Conversiontable';
                $subs = explode('[[', $txt);
                $sublinks = array();
                foreach( $subs as $sub ) {
@@ -792,6 +796,7 @@ class LanguageConverter {
                        }
                }
 
+
                // parse the mappings in this page
                $blocks = explode($this->mMarkup['begin'], $txt);
                array_shift($blocks);
@@ -885,17 +890,6 @@ class LanguageConverter {
                $ret = $this->mMarkup['begin'] . 'R|' . $text . $this->mMarkup['end'];
                return $ret;
        }
-       
-       /**
-        * Callback function for magicword 'groupconvert'
-        *
-        * @param string $group: the group name called for
-        * @return blank string
-        */
-       function groupConvert( $group ) {
-               $this->mGroups[] = $group;
-               return '';
-       }
 }
 
 /**