- Moved general conversion code from LanguageZh.php to LanguageConverter.php (new file);
- Add fake LanguageConverter object to the main language object. Languages that need real conversion functionality should implement their own converter object derived from LanguageConverter;
- As an example, LanguageZh.php now implements the conversion through the converter object.
'contributionsall' => 'all',
);
+/* a fake language converter */
+class fakeConverter {
+ var $mLang;
+ function fakeConverter($langobj) {$this->mLang = $langobj;}
+ function convert($t, $i) {return $t;}
+ function getVariants() { return array( strtolower( substr( get_class( $this->mLang ), 8 ) ) ); }
+ function getPreferredVariant() {return strtolower( substr( get_class( $this->mLang ), 8 ) );}
+ function findVariantLink(&$l, &$n) {}
+ function getExtraHashOptions() {return '';}
+ function getParsedTitle() {return '';}
+ function markNoConversion($text) {return $text;}
+}
+
#--------------------------------------------------------------------------
# Internationalisation code
#--------------------------------------------------------------------------
class Language {
+ var $mConverter;
function Language() {
+
# Copies any missing values in the specified arrays from En to the current language
$fillin = array( 'wgSysopSpecialPages', 'wgValidSpecialPages', 'wgDeveloperSpecialPages' );
$name = get_class( $this );
+
if( strpos( $name, 'language' ) == 0){
$lang = ucfirst( substr( $name, 8 ) );
foreach( $fillin as $arrname ){
}
}
}
+ $this->mConverter = new fakeConverter($this);
}
/**
# convert text to different variants of a language.
function convert( $text , $isTitle=false) {
- return $text;
+ return $this->mConverter->convert($text, $isTitle);
}
/**
* @return array an array of language codes
*/
function getVariants() {
- $lang = strtolower( substr( get_class( $this ), 8 ) );
- return array( $lang );
+ return $this->mConverter->getVariants();
}
- /**
- * in case some variant is not defined in the markup, we need
- * to have some fallback. for example, in zh, normally people
- * will define zh-cn and zh-tw, but less so for zh-sg or zh-hk.
- * when zh-sg is preferred but not defined, we will pick zh-cn
- * in this case. right now this is only used by zh.
- *
- * @param string $v the language code of the variant
- * @return string the code of the fallback language or false if there is no fallback
- */
- function getVariantFallback( $v ) {
- return false;
- }
function getPreferredVariant() {
- return strtolower( substr( get_class( $this ), 8 ) );
+ return $this->mConverter->getPreferredVariant();
}
/**
* @return null the input parameters may be modified upon return
*/
function findVariantLink( &$link, &$nt ) {
- return;
+ $this->mConverter->findVariantLink($link, $nt);
}
/**
* @access public
*/
function getExtraHashOptions() {
- return '';
+ return $this->mConverter->getExtraHashOptions();
+ }
+
+ /**
+ * for languages that support multiple variants, the title of an
+ * article may be displayed differently in different variants. this
+ * function returns the apporiate title defined in the body of the article.
+ *
+ * @return string
+ */
+ function getParsedTitle() {
+ return $this->mConverter->getParsedTitle();
}
+ /**
+ * Enclose a string with the "no conversion" tag. This is used by
+ * various functions in the Parser
+ *
+ * @param string $text text to be tagged for no conversion
+ * @return string the tagged text
+ */
+ function markNoConversion( $text ) {
+ return $this->mConverter->markNoConversion( $text );
+ }
+
/**
* A regular expression to match legal word-trailing characters
* which should be merged onto a link of the form [[foo]]bar.
return $this;
}
- /**
- * for languages that support multiple variants, the title of an
- * article may be displayed differently in different variants. this
- * function returns the apporiate title defined in the body of the article.
- *
- * @return string
- */
- function getParsedTitle() {
- return '';
- }
}
--- /dev/null
+<?php
+/*
+ Copyright (C) 2005 by Zhengzhu Feng (zhengzhu@gmail.com)
+
+ This file is distributed under the terms of GPL
+
+*/
+
+/**
+ * @package MediaWiki
+ * @subpackage Language
+ */
+
+class LanguageConverter {
+ var $mPreferredVariant='';
+ var $mMainLanguageCode;
+ var $mVariants, $mVariantFallbacks;
+ var $mTablesLoaded = false;
+ var $mTables;
+ var $mTitleDisplay='';
+ var $mDoTitleConvert=true, $mDoContentConvert=true;
+ var $mCacheKey;
+ var $mLangObj;
+ var $mMarkup;
+ /**
+ * Constructor
+ *
+ * @param string $maincode the main language code of this language
+ * @param array $variants the supported variants of this language
+ * @param array $variantfallback the fallback language of each variant
+ * @param array $markup array defining the markup used for manual conversion
+ * @access public
+ */
+ function LanguageConverter($langobj, $maincode,
+ $variants=array(),
+ $variantfallbacks=array(),
+ $markup=array('begin'=>'-{',
+ 'codesep'=>':',
+ 'varsep'=>';',
+ 'end'=>'}-')) {
+ global $wgDBname;
+ $this->mLangObj = $langobj;
+ $this->mMainLanguageCode = $maincode;
+ $this->mVariants = $variants;
+ $this->mVariantFallbacks = $variantfallbacks;
+ $this->mCacheKey = $wgDBname . ":conversiontables";
+ $this->mMarkup = $markup;
+ }
+
+ /**
+ * @access public
+ */
+ function getVariants() {
+ return $this->mVariants;
+ }
+
+ /**
+ * in case some variant is not defined in the markup, we need
+ * to have some fallback. for example, in zh, normally people
+ * will define zh-cn and zh-tw, but less so for zh-sg or zh-hk.
+ * when zh-sg is preferred but not defined, we will pick zh-cn
+ * in this case. right now this is only used by zh.
+ *
+ * @param string $v the language code of the variant
+ * @return string the code of the fallback language or false if there is no fallback
+ * @access private
+ */
+ function getVariantFallback($v) {
+ return $this->mVariantFallbacks[$v];
+ }
+
+
+ /**
+ * get preferred language variants.
+ * @return string the preferred language code
+ * @access public
+ */
+ function getPreferredVariant() {
+ global $wgUser, $wgRequest;
+
+ if($this->mPreferredVariant)
+ return $this->mPreferredVariant;
+
+ // see if the preference is set in the request
+ $req = $wgRequest->getText( 'variant' );
+ if( in_array( $req, $this->mVariants ) ) {
+ $this->mPreferredVariant = $req;
+ return $req;
+ }
+
+ // get language variant preference from logged in users
+ if(is_object($wgUser) && $wgUser->isLoggedIn() ) {
+ $this->mPreferredVariant = $wgUser->getOption('variant');
+ }
+
+ # FIXME rewrite code for parsing http header. The current code
+ # is written specific for detecting zh- variants
+ if( !$this->mPreferredVariant ) {
+ // see if some zh- variant is set in the http header,
+ $this->mPreferredVariant=$this->mMainLanguageCode;
+ if(array_key_exists('HTTP_ACCEPT_LANGUAGE', $_SERVER)) {
+ $header = str_replace( '_', '-', strtolower($_SERVER["HTTP_ACCEPT_LANGUAGE"]));
+ $zh = strstr($header, 'zh-');
+ if($zh) {
+ $this->mPreferredVariant = substr($zh,0,5);
+ }
+ }
+ }
+
+ return $this->mPreferredVariant;
+ }
+
+ /**
+ * dictionary-based conversion
+ *
+ * @param string $text the text to be converted
+ * @param string $toVariant the target language code
+ * @return string the converted text
+ * @access private
+ */
+ function autoConvert($text, $toVariant=false) {
+ $fname="LanguageConverter::autoConvert";
+ wfProfileIn( $fname );
+
+ if(!$this->mTablesLoaded)
+ $this->loadTables();
+
+ if(!$toVariant)
+ $toVariant = $this->getPreferredVariant();
+ if(!in_array($toVariant, $this->mVariants))
+ return $text;
+
+ $ret = '';
+
+ $a = explode('<', $text);
+ $a0 = array_shift($a);
+ $ret .= strtr($a0, $this->mTables[$toVariant]);
+ foreach( $a as $aa ) {
+ $b = explode('>', $aa, 2);
+ $ret .= '<' . $b[0];
+ if(sizeof($b) == 2)
+ $ret .= '>' . strtr($b[1], $this->mTables[$toVariant]);
+ }
+
+# /* put back the marker if any */
+# if(!empty($reg)) {
+# $reg = '<'.$reg.'>';
+# $ret = preg_replace('/'.$reg.'/', '${1}', $ret);
+# }
+#
+ wfProfileOut( $fname );
+ return $ret;
+ }
+
+ /**
+ * convert text to all supported variants
+ *
+ * @param string $text the text to be converted
+ * @return array of string
+ * @access private
+ */
+ function autoConvertToAllVariants($text) {
+ $fname="LanguageConverter::autoConvertToAllVariants";
+ wfProfileIn( $fname );
+ if( !$this->mTablesLoaded )
+ $this->loadTables();
+
+ $ret = array();
+ foreach($this->mVariants as $variant) {
+ $ret[$variant] = strtr($text, $this->mTables[$variant]);
+ }
+ wfProfileOut( $fname );
+ return $ret;
+ }
+
+ /**
+ * convert text to different variants of a language. the automatic
+ * conversion is done in autoConvert(). here we parse the text
+ * marked with -{}-, which specifies special conversions of the
+ * text that can not be accomplished in autoConvert()
+ *
+ * syntax of the markup:
+ * -{code1:text1;code2:text2;...}- or
+ * -{text}- in which case no conversion should take place for text
+ *
+ * @param string $text text to be converted
+ * @param bool $isTitle whether this conversion is for the article title
+ * @return string converted text
+ * @access public
+ */
+ function convert( $text , $isTitle=false) {
+ global $wgDisableLangConversion;
+ if($wgDisableLangConversion)
+ return $text;
+
+ $mw =& MagicWord::get( MAG_NOTITLECONVERT );
+ if( $mw->matchAndRemove( $text ) )
+ $this->mDoTitleConvert = false;
+
+ $mw =& MagicWord::get( MAG_NOCONTENTCONVERT );
+ if( $mw->matchAndRemove( $text ) ) {
+ $this->mDoContentConvert = false;
+ }
+
+ // no conversion if redirecting
+ $mw =& MagicWord::get( MAG_REDIRECT );
+ if( $mw->matchStart( $text ))
+ return $text;
+
+ if( $isTitle ) {
+ if( !$this->mDoTitleConvert ) {
+ $this->mTitleDisplay = $text;
+ return $text;
+ }
+ if( !empty($this->mTitleDisplay))
+ return $this->mTitleDisplay;
+
+ global $wgRequest;
+ $isredir = $wgRequest->getText( 'redirect', 'yes' );
+ $action = $wgRequest->getText( 'action' );
+ if ( $isredir == 'no' || $action == 'edit' ) {
+ return $text;
+ }
+ else {
+ $this->mTitleDisplay = $this->autoConvert($text);
+ return $this->mTitleDisplay;
+ }
+ }
+
+ if( !$this->mDoContentConvert )
+ return $text;
+
+ $search = array('/('.UNIQ_PREFIX.'-[a-zA-Z0-9]+)/', //nowiki marker
+ '/(&[a-z#][a-z0-9]+;)/', //html entities
+ );
+ $replace = $this->mMarkup['begin'].'${1}'.$this->mMarkup['end'];
+
+ $text = preg_replace($search, $replace, $text);
+
+ $plang = $this->getPreferredVariant();
+ $fallback = $this->mVariantFallbacks[$plang];
+ $tarray = explode($this->mMarkup['begin'], $text);
+ $tfirst = array_shift($tarray);
+ $text = $this->autoConvert($tfirst);
+ foreach($tarray as $txt) {
+ $marked = explode($this->mMarkup['end'], $txt);
+
+ //strip since it interferes with the parsing, plus,
+ //all spaces should be stripped in this tag anyway.
+ $marked[0] = str_replace(' ', '', $marked[0]);
+
+ /* see if this conversion has special meaning
+ # for article title:
+ -{T|zh-cn:foo;zh-tw:bar}-
+ # convert all occurence of foo/bar in this article:
+ -{A|zh-cn:foo;zh-tw:bar}-
+ */
+ $flag = '';
+ $choice = false;
+ $tt = explode("|", $marked[0], 2);
+ if(sizeof($tt) == 2) {
+ $flag = trim($tt[0]);
+ $choice = explode(";", $tt[1]);
+ }
+
+ if(!$choice) {
+ $choice = explode($this->mMarkup['varsep'], $marked[0]);
+ }
+ $disp = '';
+ $carray = array();
+ if(!array_key_exists(1, $choice)) {
+ /* a single choice */
+ $disp = $choice[0];
+
+ /* fill the carray if the conversion is for the whole article*/
+ if($flag == 'A') {
+ foreach($this->mVariants as $v) {
+ $carray[$v] = $disp;
+ }
+ }
+ }
+ else {
+ foreach($choice as $c) {
+ $v = explode($this->mMarkup['codesep'], $c);
+ if(sizeof($v) != 2) // syntax error, skip
+ continue;
+ $carray[trim($v[0])] = trim($v[1]);
+ }
+ if(array_key_exists($plang, $carray))
+ $disp = $carray[$plang];
+ else if(array_key_exists($fallback, $carray))
+ $disp = $carray[$fallback];
+ }
+ if(empty($disp)) { // syntax error
+ $text .= $marked[0];
+ }
+ else {
+ if($flag == 'T') // for title only
+ $this->mTitleDisplay = $disp;
+ else {
+ $text .= $disp;
+ if($flag == 'A') {
+ /* modify the conversion table for this session*/
+
+ /* fill in the missing variants, if any,
+ with fallbacks */
+ foreach($this->mVariants as $v) {
+ if(!array_key_exists($v, $carray)) {
+ $vf = $this->getVariantFallback($v);
+ if(array_key_exists($vf, $carray))
+ $carray[$v] = $carray[$vf];
+ }
+ }
+ foreach($this->mVariants as $vfrom) {
+ if(!array_key_exists($vfrom, $carray))
+ continue;
+ foreach($this->mVariants as $vto) {
+ if($vfrom == $vto)
+ continue;
+ if(!array_key_exists($vto, $carray))
+ continue;
+ $this->mTables[$vto][$carray[$vfrom]] = $carray[$vto];
+ }
+ }
+ }
+ }
+ }
+ if(array_key_exists(1, $marked))
+ $text .= $this->autoConvert($marked[1]);
+ }
+
+ return $text;
+ }
+
+
+ /**
+ * if a language supports multiple variants, it is
+ * possible that non-existing link in one variant
+ * actually exists in another variant. this function
+ * tries to find it. See e.g. LanguageZh.php
+ *
+ * @param string $link the name of the link
+ * @param mixed $nt the title object of the link
+ * @return null the input parameters may be modified upon return
+ * @access public
+ */
+ function findVariantLink( &$link, &$nt ) {
+ static $count=0; //used to limit this operation
+ static $cache=array();
+ global $wgDisableLangConversion;
+ $pref = $this->getPreferredVariant();
+ if( $count > 50 )
+ return;
+ $count++;
+ $variants = $this->autoConvertToAllVariants($link);
+ if($variants == false) //give up
+ return;
+ foreach( $variants as $v ) {
+ if(isset($cache[$v]))
+ continue;
+ $cache[$v] = 1;
+ $varnt = Title::newFromText( $v );
+ if( $varnt && $varnt->getArticleID() > 0 ) {
+ $nt = $varnt;
+ if( !$wgDisableLangConversion && $pref != 'zh' )
+ $link = $v;
+ break;
+ }
+ }
+ }
+
+ /**
+ * returns language specific hash options
+ *
+ * @access public
+ */
+ function getExtraHashOptions() {
+ $variant = $this->getPreferredVariant();
+ return '!' . $variant ;
+ }
+
+ /**
+ * get title text as defined in the body of the article text
+ *
+ * @access public
+ */
+ function getParsedTitle() {
+ return $this->mTitleDisplay;
+ }
+
+ /**
+ * a write lock to the cache
+ *
+ * @access private
+ */
+ function lockCache() {
+ global $wgMemc;
+ $success = false;
+ for($i=0; $i<30; $i++) {
+ if($success = $wgMemc->add($this->mCacheKey . "lock", 1, 10))
+ break;
+ sleep(1);
+ }
+ return $success;
+ }
+
+ /**
+ * unlock cache
+ *
+ * @access private
+ */
+ function unlockCache() {
+ global $wgMemc;
+ $wgMemc->delete($this->mCacheKey . "lock");
+ }
+
+
+ /**
+ * Load default conversion tables
+ * This method must be implemented in derived class
+ *
+ * @access private
+ */
+ function loadDefaultTables() {
+ $name = get_class($this);
+ die("Must implement loadDefaultTables() method in class $name");
+ }
+
+ /**
+ * load conversion tables either from the cache or the disk
+ * @access private
+ */
+ function loadTables($fromcache=true) {
+ global $wgMemc;
+ if( $this->mTablesLoaded )
+ return;
+ $this->mTablesLoaded = true;
+ if($fromcache) {
+ $this->mTables = $wgMemc->get( $this->mCacheKey );
+ if( !empty( $this->mTables ) ) //all done
+ return;
+ }
+ // not in cache, or we need a fresh reload.
+ // we will first load the default tables
+ // then update them using things in MediaWiki:Zhconversiontable/*
+ global $wgMessageCache;
+ $this->loadDefaultTables();
+ foreach($this->mVariants as $var) {
+ $cached = $this->parseCachedTable($var);
+ $this->mTables[$var] = array_merge($this->mTables[$var], $cached);
+ }
+
+ $this->postLoadTables();
+
+ if($this->lockCache()) {
+ $wgMemc->set($this->mCacheKey, $this->mTables, 43200);
+ $this->unlockCache();
+ }
+ }
+
+ /**
+ * Hook for post processig after conversion tables are loaded
+ *
+ */
+ function postLoadTables() {}
+
+ /* deprecated? */
+ function updateTablexxxx($code, $table) {
+ global $wgMemc;
+ if(!$this->mTablesLoaded)
+ $this->loadTables();
+
+ $this->mTables[$code] = array_merge($this->mTables[$code], $table);
+ if($this->lockCache()) {
+ $wgMemc->delete($this->mCacheKey);
+ $wgMemc->set($this->mCacheKey, $this->mTables, 43200);
+ $this->unlockCache();
+ }
+ }
+
+ /**
+ * Reload the conversion tables
+ *
+ * @access private
+ */
+ function reloadTables() {
+ if($this->mTables)
+ unset($this->mTables);
+ $this->mTablesLoaded = false;
+ $this->loadTables(false);
+ }
+
+
+ /**
+ * parse the conversion table stored in the cache
+ *
+ * the tables should be in blocks of the following form:
+
+ * -{
+ * word => word ;
+ * word => word ;
+ * ...
+ * }-
+ *
+ * to make the tables more manageable, subpages are allowed
+ * and will be parsed recursively if $recursive=true
+ *
+ * @access private
+ */
+ function parseCachedTable($code, $subpage='', $recursive=true) {
+ global $wgMessageCache;
+ static $parsed = array();
+
+ if(!is_object($wgMessageCache))
+ return array();
+
+ $key = 'Conversiontable/'.$code;
+ if($subpage)
+ $key .= '/' . $subpage;
+
+ if(array_key_exists($key, $parsed))
+ return array();
+
+
+ $txt = $wgMessageCache->get( $key, true, true, true );
+
+ // get all subpage links of the form
+ // [[MediaWiki:conversiontable/zh-xx/...|...]]
+ $linkhead = $this->mLangObj->getNsText(NS_MEDIAWIKI) . ':Conversiontable';
+ $subs = explode('[[', $txt);
+ $sublinks = array();
+ foreach( $subs as $sub ) {
+ $link = explode(']]', $sub, 2);
+ if(count($link) != 2)
+ continue;
+ $b = explode('|', $link[0]);
+ $b = explode('/', trim($b[0]), 3);
+ if(count($b)==3)
+ $sublink = $b[2];
+ else
+ $sublink = '';
+
+ if($b[0] == $linkhead && $b[1] == $code) {
+ $sublinks[] = $sublink;
+ }
+ }
+
+
+ // parse the mappings in this page
+ $blocks = explode('-{', $txt);
+ array_shift($blocks);
+ $ret = array();
+ foreach($blocks as $block) {
+ $mappings = explode('}-', $block, 2);
+ $stripped = str_replace(array("'", '"', '*','#'), '', $mappings[0]);
+ $table = explode( ';', $stripped );
+ foreach( $table as $t ) {
+ $m = explode( '=>', $t );
+ if( count( $m ) != 2)
+ continue;
+ // trim any trailling comments starting with '//'
+ $tt = explode('//', $m[1], 2);
+ $ret[trim($m[0])] = trim($tt[0]);
+ }
+ }
+ $parsed[$key] = true;
+
+
+ // recursively parse the subpages
+ if($recursive) {
+ foreach($sublinks as $link) {
+ $s = $this->parseCachedTable($code, $link, $recursive);
+ $ret = array_merge($ret, $s);
+ }
+ }
+ return $ret;
+ }
+
+ /**
+ * Enclose a string with the "no conversion" tag. This is used by
+ * various functions in the Parser
+ *
+ * @param string $text text to be tagged for no conversion
+ * @return string the tagged text
+ */
+ function markNoConversion($text) {
+ $ret = $this->mMarkup['begin'] . $text . $this->mMarkup['end'];
+ }
+
+ /**
+ * hook to refresh the cache of conversion tables when
+ * MediaWiki:conversiontable* is updated
+ * @access private
+ */
+ function OnArticleSaveComplete($article, $user, $text, $summary, $isminor, $iswatch, $section) {
+ $titleobj = $article->getTitle();
+ if($titleobj->getNamespace() == NS_MEDIAWIKI) {
+ /*
+ global $wgContLang; // should be an LanguageZh.
+ if(get_class($wgContLang) != 'languagezh')
+ return true;
+ */
+ $title = $titleobj->getDBkey();
+ $t = explode('/', $title, 3);
+ $c = count($t);
+ if( $c > 1 && $t[0] == 'Conversiontable' ) {
+ if(in_array($t[1], $this->mVariants)) {
+ $this->reloadTables();
+ }
+ }
+ }
+ return true;
+ }
+}
+
+?>
\ No newline at end of file
* @package MediaWiki
* @subpackage Language
*/
+require_once( "LanguageConverter.php" );
require_once( "LanguageZh_cn.php");
require_once( "LanguageZh_tw.php");
require_once( "LanguageZh_sg.php");
require_once( "LanguageZh_hk.php");
-/*
- hook to refresh the cache of conversion tables when
- MediaWiki:zhconversiontable* is updated
-*/
-function zhOnArticleSaveComplete($article, $user, $text, $summary, $isminor, $iswatch, $section) {
- $titleobj = $article->getTitle();
- if($titleobj->getNamespace() == NS_MEDIAWIKI) {
- global $wgContLang; // should be an LanguageZh.
- if(get_class($wgContLang) != 'languagezh')
- return true;
-
- $title = $titleobj->getDBkey();
- $t = explode('/', $title, 3);
- $c = count($t);
- if( $c > 1 && $t[0] == 'Zhconversiontable' ) {
- if(in_array($t[1], array('zh-cn', 'zh-tw', 'zh-sg', 'zh-hk'))) {
- $wgContLang->reloadTables();
- }
- }
- }
- return true;
-}
-
-$wgHooks['ArticleSaveComplete'][] = 'zhOnArticleSaveComplete';
-
-/* class that handles both Traditional and Simplified Chinese
- right now it only distinguish zh_cn and zh_tw (actuall, zh_cn and
- non-zh_cn), will add support for zh_sg, zh_hk, etc, later.
-*/
-class LanguageZh extends LanguageZh_cn {
-
- var $mZhLanguageCode=false;
- var $mTables=false; //the mapping tables
- var $mTablesLoaded = false;
- var $mCacheKey;
- var $mDoTitleConvert = true, $mDoContentConvert = true;
- var $mTitleDisplay='';
- function LanguageZh() {
- global $wgDBname;
- $this->mCacheKey = $wgDBname . ":zhtables";
- }
-
- // a write lock
- function lockCache() {
- global $wgMemc;
- $success = false;
- for($i=0; $i<30; $i++) {
- if($success = $wgMemc->add($this->mCacheKey . "lock", 1, 10))
- break;
- sleep(1);
- }
- return $success;
- }
-
- function unlockCache() {
- global $wgMemc;
- $wgMemc->delete($this->mCacheKey . "lock");
- }
-
- function updateTable($code, $table) {
- global $wgMemc;
- if(!$this->mTablesLoaded)
- $this->loadTables();
-
- $this->mTables[$code] = array_merge($this->mTables[$code], $table);
- if($this->lockCache()) {
- $wgMemc->delete($this->mCacheKey);
- $wgMemc->set($this->mCacheKey, $this->mTables, 43200);
- $this->unlockCache();
- }
- }
-
- function reloadTables() {
- if($this->mTables)
- unset($this->mTables);
- $this->mTablesLoaded = false;
- $this->loadTables(false);
- }
-
- // load conversion tables either from the cache or the disk
- function loadTables($fromcache=true) {
- global $wgMemc;
- if( $this->mTablesLoaded )
- return;
- $this->mTablesLoaded = true;
- if($fromcache) {
- $this->mTables = $wgMemc->get( $this->mCacheKey );
- if( !empty( $this->mTables ) ) //all done
- return;
- }
- // not in cache, or we need a fresh reload.
- // we will first load the tables from file
- // then update them using things in MediaWiki:Zhconversiontable/*
- global $wgMessageCache;
+class ZhConverter extends LanguageConverter {
+ function loadDefaultTables() {
require( "includes/ZhConversion.php" );
$this->mTables = array();
$this->mTables['zh-cn'] = $zh2CN;
$this->mTables['zh-tw'] = $zh2TW;
- $this->mTables['zh-sg'] = $zh2SG;
- $this->mTables['zh-hk'] = $zh2HK;
-
- $cached = $this->parseCachedTable('zh-cn');
- $this->mTables['zh-cn'] = array_merge($this->mTables['zh-cn'], $cached);
-
- $cached = $this->parseCachedTable('zh-tw');
- $this->mTables['zh-tw'] = array_merge($this->mTables['zh-tw'], $cached);
-
- $cached = $this->parseCachedTable('zh-sg');
- $this->mTables['zh-sg'] = array_merge($this->mTables['zh-cn'], $this->mTables['zh-sg'], $cached);
-
- $cached = $this->parseCachedTable('zh-hk');
- $this->mTables['zh-hk'] = array_merge($this->mTables['zh-tw'], $this->mTables['zh-hk'], $cached);
- if($this->lockCache()) {
- $wgMemc->set($this->mCacheKey, $this->mTables, 43200);
- $this->unlockCache();
- }
+ $this->mTables['zh-sg'] = array_merge($zh2CN, $zh2SG);
+ $this->mTables['zh-hk'] = array_merge($zh2TW, $zh2HK);
+ $this->mTables['zh'] = array();
}
-
- /*
- parse the conversion table stored in the cache
-
- the tables should be in blocks of the following form:
-
- -{
- word => word ;
- word => word ;
- ...
- }-
-
- to make the tables more manageable, subpages are allowed
- and will be parsed recursively if $recursive=true
-
- */
- function parseCachedTable($code, $subpage='', $recursive=true) {
- global $wgMessageCache;
- static $parsed = array();
-
- if(!is_object($wgMessageCache))
- return array();
+ function postLoadTables() {
+ $this->mTables['zh-sg'] = array_merge($this->mTables['zh-cn'], $this->mTables['zh-sg']);
+ $this->mTables['zh-hk'] = array_merge($this->mTables['zh-tw'], $this->mTables['zh-hk']);
+ }
+}
- $key = 'zhconversiontable/'.$code;
- if($subpage)
- $key .= '/' . $subpage;
- if(array_key_exists($key, $parsed))
- return array();
+/* class that handles both Traditional and Simplified Chinese
+ right now it only distinguish zh_cn, zh_tw, zh_sg and zh_hk.
+*/
+class LanguageZh extends LanguageZh_cn {
-
- $txt = $wgMessageCache->get( $key, true, true, true );
-
- // get all subpage links of the form
- // [[MediaWiki:Zhconversiontable/zh-xx/...|...]]
- $linkhead = $this->getNsText(NS_MEDIAWIKI) . ':Zhconversiontable';
- $subs = explode('[[', $txt);
- $sublinks = array();
- foreach( $subs as $sub ) {
- $link = explode(']]', $sub, 2);
- if(count($link) != 2)
- continue;
- $b = explode('|', $link[0]);
- $b = explode('/', trim($b[0]), 3);
- if(count($b)==3)
- $sublink = $b[2];
- else
- $sublink = '';
-
- if($b[0] == $linkhead && $b[1] == $code) {
- $sublinks[] = $sublink;
- }
- }
-
-
- // parse the mappings in this page
- $blocks = explode('-{', $txt);
- array_shift($blocks);
- $ret = array();
- foreach($blocks as $block) {
- $mappings = explode('}-', $block, 2);
- $stripped = str_replace(array("'", '"', '*','#'), '', $mappings[0]);
- $table = explode( ';', $stripped );
- foreach( $table as $t ) {
- $m = explode( '=>', $t );
- if( count( $m ) != 2)
- continue;
- // trim any trailling comments starting with '//'
- $tt = explode('//', $m[1], 2);
- $ret[trim($m[0])] = trim($tt[0]);
- }
- }
- $parsed[$key] = true;
-
-
- // recursively parse the subpages
- if($recursive) {
- foreach($sublinks as $link) {
- $s = $this->parseCachedTable($code, $link, $recursive);
- $ret = array_merge($ret, $s);
- }
- }
- return $ret;
+ function LanguageZh() {
+ global $wgHooks;
+ $this->mConverter = new ZhConverter($this, 'zh',
+ array('zh', 'zh-cn', 'zh-tw', 'zh-sg', 'zh-hk'),
+ array('zh'=>'zh-cn',
+ 'zh-cn'=>'zh-sg',
+ 'zh-sg'=>'zh-cn',
+ 'zh-tw'=>'zh-hk',
+ 'zh-hk'=>'zh-tw'));
+ $wgHooks['ArticleSaveComplete'][] = $this->mConverter;
}
- /*
- get preferred language variants.
- */
- function getPreferredVariant() {
- global $wgUser, $wgRequest;
-
- if($this->mZhLanguageCode)
- return $this->mZhLanguageCode;
-
- // see if the preference is set in the request
- $zhreq = $wgRequest->getText( 'variant' );
- if( in_array( $zhreq, $this->getVariants() ) ) {
- $this->mZhLanguageCode = $zhreq;
- return $zhreq;
- }
-
- // get language variant preference from logged in users
- if( $wgUser->isLoggedIn() ) {
- $this->mZhLanguageCode = $wgUser->getOption('variant');
- }
-
- if( !$this->mZhLanguageCode ) {
- // see if some zh- variant is set in the http header,
- $this->mZhLanguageCode="zh";
- if(array_key_exists('HTTP_ACCEPT_LANGUAGE', $_SERVER)) {
- $header = str_replace( '_', '-', strtolower($_SERVER["HTTP_ACCEPT_LANGUAGE"]));
- $zh = strstr($header, 'zh-');
- if($zh) {
- $this->mZhLanguageCode = substr($zh,0,5);
- }
- }
- }
- return $this->mZhLanguageCode;
- }
# this should give much better diff info
function segmentForDiff( $text ) {
"\"$1\"", $text);
}
- function autoConvert($text, $toVariant=false) {
- $fname="LanguageZh::autoConvert";
- wfProfileIn( $fname );
-
- if(!$this->mTablesLoaded)
- $this->loadTables();
-
- if(!$toVariant)
- $toVariant = $this->getPreferredVariant();
- $ret = '';
- switch( $toVariant ) {
- case 'zh-cn': $ret = strtr($text, $this->mTables['zh-cn']);break;
- case 'zh-tw': $ret = strtr($text, $this->mTables['zh-tw']);break;
- case 'zh-sg': $ret = strtr($text, $this->mTables['zh-sg']);break;
- case 'zh-hk': $ret = strtr($text, $this->mTables['zh-hk']);break;
- default: $ret = $text;
- }
- wfProfileOut( $fname );
- return $ret;
- }
-
- function autoConvertToAllVariants($text) {
- $fname="LanguageZh::autoConvertToAllVariants";
- wfProfileIn( $fname );
- if( !$this->mTablesLoaded )
- $this->loadTables();
-
- $ret = array();
- $ret['zh-cn'] = strtr($text, $this->mTables['zh-cn']);
- $ret['zh-tw'] = strtr($text, $this->mTables['zh-tw']);
- $ret['zh-sg'] = strtr(strtr($text, $this->mTables['zh-cn']), $this->mTables['zh-sg']);
- $ret['zh-hk'] = strtr(strtr($text, $this->mTables['zh-tw']), $this->mTables['zh-hk']);
- wfProfileOut( $fname );
- return $ret;
- }
-
- # convert text to different variants of a language. the automatic
- # conversion is done in autoConvert(). here we parse the text
- # marked with -{}-, which specifies special conversions of the
- # text that can not be accomplished in autoConvert()
- #
- # syntax of the markup:
- # -{code1:text1;code2:text2;...}- or
- # -{text}- in which case no conversion should take place for text
- function convert( $text , $isTitle=false) {
- global $wgDisableLangConversion;
- if($wgDisableLangConversion)
- return $text;
-
- $mw =& MagicWord::get( MAG_NOTITLECONVERT );
- if( $mw->matchAndRemove( $text ) )
- $this->mDoTitleConvert = false;
-
- $mw =& MagicWord::get( MAG_NOCONTENTCONVERT );
- if( $mw->matchAndRemove( $text ) ) {
- $this->mDoContentConvert = false;
- }
-
- // no conversion if redirecting
- $mw =& MagicWord::get( MAG_REDIRECT );
- if( $mw->matchStart( $text ))
- return $text;
-
- if( $isTitle ) {
- if( !$this->mDoTitleConvert ) {
- $this->mTitleDisplay = $text;
- return $text;
- }
- if( !empty($this->mTitleDisplay))
- return $this->mTitleDisplay;
-
- global $wgRequest;
- $isredir = $wgRequest->getText( 'redirect', 'yes' );
- $action = $wgRequest->getText( 'action' );
- if ( $isredir == 'no' || $action == 'edit' ) {
- return $text;
- }
- else {
- $this->mTitleDisplay = $this->autoConvert($text);
- return $this->mTitleDisplay;
- }
- }
-
- if( !$this->mDoContentConvert )
- return $text;
-
- $plang = $this->getPreferredVariant();
- $fallback = $this->getVariantFallback($plang);
- $variants = $this->getVariants();
-
- $tarray = explode("-{", $text);
- $tfirst = array_shift($tarray);
- $text = $this->autoConvert($tfirst);
- foreach($tarray as $txt) {
- $marked = explode("}-", $txt);
-
- //strip since it interferes with the parsing, plus,
- //all spaces should be stripped in this tag anyway.
- $marked[0] = str_replace(' ', '', $marked[0]);
-
- /* see if this conversion has special meaning
- # for article title:
- -{T|zh-cn:foo;zh-tw:bar}-
- # convert all occurence of foo/bar in this article:
- -{A|zh-cn:foo;zh-tw:bar}-
- */
- $flag = '';
- $choice = false;
- $tt = explode("|", $marked[0], 2);
- if(sizeof($tt) == 2) {
- $flag = trim($tt[0]);
- $choice = explode(";", $tt[1]);
- }
-
- if(!$choice) {
- $choice = explode(";", $marked[0]);
- }
- $disp = '';
- $carray = array();
- if(!array_key_exists(1, $choice)) {
- /* a single choice */
- $disp = $choice[0];
-
- /* fill the carray if the conversion is for the whole article*/
- if($flag == 'A') {
- foreach($variants as $v)
- $carray[$v] = $disp;
- }
- }
- else {
- foreach($choice as $c) {
- $v = explode(":", $c);
- if(sizeof($v) != 2) // syntax error, skip
- continue;
- $carray[trim($v[0])] = trim($v[1]);
- }
- if(array_key_exists($plang, $carray))
- $disp = $carray[$plang];
- else if(array_key_exists($fallback, $carray))
- $disp = $carray[$fallback];
- }
- if(empty($disp)) { // syntax error
- $text .= $marked[0];
- }
- else {
- if($flag == 'T') // for title only
- $this->mTitleDisplay = $disp;
- else {
- $text .= $disp;
- if($flag == 'A') {
- /* modify the conversion table for this session*/
-
- /* fill in the missing variants, if any,
- with fallbacks */
- foreach($variants as $v) {
- if(!array_key_exists($v, $carray)) {
- $vf = $this->getVariantFallback($v);
- if(array_key_exists($vf, $carray))
- $carray[$v] = $carray[$vf];
- }
- }
- foreach($variants as $vfrom) {
- if(!array_key_exists($vfrom, $carray))
- continue;
- foreach($variants as $vto) {
- if($vfrom == $vto)
- continue;
- if(!array_key_exists($vto, $carray))
- continue;
- $this->mTables[$vto][$carray[$vfrom]] = $carray[$vto];
- }
- }
- }
- }
- }
- if(array_key_exists(1, $marked))
- $text .= $this->autoConvert($marked[1]);
- }
-
- return $text;
- }
-
-
- function getVariants() {
- return array("zh", "zh-cn", "zh-tw", "zh-sg", "zh-hk");
- }
-
- function getVariantFallback($v) {
- switch ($v) {
- case 'zh': return 'zh-cn'; break;
- case 'zh-cn': return 'zh-sg'; break;
- case 'zh-sg': return 'zh-cn'; break;
- case 'zh-tw': return 'zh-hk'; break;
- case 'zh-hk': return 'zh-tw'; break;
- }
- return false;
- }
-
// word segmentation
function stripForSearch( $string ) {
$fname="LanguageZh::stripForSearch";
//Traditional to Simplified is less ambiguous than the
//other way around
- $t = $this->autoConvert($t, 'zh-cn');
+ $t = $this->mConverter->autoConvert($t, 'zh-cn');
$t = LanguageUtf8::stripForSearch( $t );
wfProfileOut( $fname );
return $t;
function convertForSearchResult( $termsArray ) {
$terms = implode( '|', $termsArray );
- $terms = implode( '|', $this->autoConvertToAllVariants( $terms ) );
+ $terms = implode( '|', $this->mConverter->autoConvertToAllVariants( $terms ) );
$ret = array_unique( explode('|', $terms) );
return $ret;
}
- function findVariantLink( &$link, &$nt ) {
- static $count=0; //used to limit this operation
- static $cache=array();
- global $wgDisableLangConversion;
- $pref = $this->getPreferredVariant();
- if( $count > 50 )
- return;
- $count++;
- $variants = $this->autoConvertToAllVariants($link);
- if($variants == false) //give up
- return;
- foreach( $variants as $v ) {
- if(isset($cache[$v]))
- continue;
- $cache[$v] = 1;
- $varnt = Title::newFromText( $v );
- if( $varnt && $varnt->getArticleID() > 0 ) {
- $nt = $varnt;
- if( !$wgDisableLangConversion && $pref != 'zh' )
- $link = $v;
- break;
- }
- }
- }
-
- function getExtraHashOptions() {
- global $wgUser;
- $variant = $this->getPreferredVariant();
- return '!' . $variant ;
- }
-
- function getParsedTitle() {
- return $this->mTitleDisplay;
- }
}
?>