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authorPierre Schmitz <pierre@archlinux.de>2008-08-15 01:29:47 +0200
committerPierre Schmitz <pierre@archlinux.de>2008-08-15 01:29:47 +0200
commit370e83bb0dfd0c70de268c93bf07ad5ee0897192 (patch)
tree491674f4c242e4d6ba0d04eafa305174c35a3391 /languages/LanguageConverter.php
parentf4debf0f12d0524d2b2427c55ea3f16b680fad97 (diff)
Update auf 1.13.0
Diffstat (limited to 'languages/LanguageConverter.php')
-rw-r--r--languages/LanguageConverter.php896
1 files changed, 612 insertions, 284 deletions
diff --git a/languages/LanguageConverter.php b/languages/LanguageConverter.php
index 08171c0a..bbf15971 100644
--- a/languages/LanguageConverter.php
+++ b/languages/LanguageConverter.php
@@ -1,58 +1,95 @@
<?php
+
/**
- * @addtogroup Language
- *
- * @author Zhengzhu Feng <zhengzhu@gmail.com>
- * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
- */
+ * Contains the LanguageConverter class and ConverterRule class
+ * @ingroup Language
+ *
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
+ * @file
+ */
+/**
+ * base class for language convert
+ * @ingroup Language
+ *
+ * @author Zhengzhu Feng <zhengzhu@gmail.com>
+ * @maintainers fdcn <fdcn64@gmail.com>, shinjiman <shinjiman@gmail.com>
+ */
class LanguageConverter {
var $mPreferredVariant='';
var $mMainLanguageCode;
- var $mVariants, $mVariantFallbacks;
+ var $mVariants, $mVariantFallbacks, $mVariantNames;
var $mTablesLoaded = false;
var $mTables;
var $mTitleDisplay='';
var $mDoTitleConvert=true, $mDoContentConvert=true;
+ var $mManualLevel; // 'bidirectional' 'unidirectional' 'disable' for each variants
var $mTitleFromFlag = false;
var $mCacheKey;
var $mLangObj;
var $mMarkup;
var $mFlags;
+ var $mDescCodeSep = ':',$mDescVarSep = ';';
var $mUcfirst = false;
- const CACHE_VERSION_KEY = 'VERSION 5';
+ const CACHE_VERSION_KEY = 'VERSION 6';
/**
- * Constructor
+ * 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
+ * @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
* @param array $flags array defining the custom strings that maps to the flags
- * @access public
- */
+ * @param array $manualLevel limit for supported variants
+ * @public
+ */
function __construct($langobj, $maincode,
$variants=array(),
$variantfallbacks=array(),
$markup=array(),
- $flags = array()) {
+ $flags = array(),
+ $manualLevel = array() ) {
$this->mLangObj = $langobj;
$this->mMainLanguageCode = $maincode;
$this->mVariants = $variants;
$this->mVariantFallbacks = $variantfallbacks;
+ global $wgLanguageNames;
+ $this->mVariantNames = $wgLanguageNames;
$this->mCacheKey = wfMemcKey( 'conversiontables', $maincode );
- $m = array('begin'=>'-{', 'flagsep'=>'|', 'codesep'=>':',
- 'varsep'=>';', 'end'=>'}-');
+ $m = array(
+ 'begin'=>'-{',
+ 'flagsep'=>'|',
+ 'unidsep'=>'=>', //for unidirectional conversion
+ 'codesep'=>':',
+ 'varsep'=>';',
+ 'end'=>'}-'
+ );
$this->mMarkup = array_merge($m, $markup);
- $f = array('A'=>'A', 'T'=>'T', 'R' => 'R');
+ $f = array(
+ // 'S' show converted text
+ // '+' add rules for alltext
+ // 'E' the gave flags is error
+ // these flags above are reserved for program
+ 'A'=>'A', // add rule for convert code (all text convert)
+ 'T'=>'T', // title convert
+ 'R'=>'R', // raw content
+ 'D'=>'D', // convert description (subclass implement)
+ '-'=>'-', // remove convert (not implement)
+ 'H'=>'H', // add rule for convert code (but no display in placed code )
+ 'N'=>'N' // current variant name
+ );
$this->mFlags = array_merge($f, $flags);
+ foreach( $this->mVariants as $v)
+ $this->mManualLevel[$v]=array_key_exists($v,$manualLevel)
+ ?$manualLevel[$v]
+ :'bidirectional';
}
/**
- * @access public
- */
+ * @public
+ */
function getVariants() {
return $this->mVariants;
}
@@ -60,31 +97,45 @@ class LanguageConverter {
/**
* 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
+ * will define zh-hans and zh-hant, but less so for zh-sg or zh-hk.
+ * when zh-sg is preferred but not defined, we will pick zh-hans
* in this case. right now this is only used by zh.
*
* @param string $v the language code of the variant
- * @return string the code of the fallback language or false if there is no fallback
- * @private
- */
- function getVariantFallback($v) {
- return $this->mVariantFallbacks[$v];
+ * @return string array the code of the fallback language or false if there is no fallback
+ * @public
+ */
+ function getVariantFallbacks($v) {
+ if( isset( $this->mVariantFallbacks[$v] ) ) {
+ return $this->mVariantFallbacks[$v];
+ }
+ return $this->mMainLanguageCode;
}
-
/**
* get preferred language variants.
* @param boolean $fromUser Get it from $wgUser's preferences
- * @return string the preferred language code
- * @access public
- */
+ * @return string the preferred language code
+ * @public
+ */
function getPreferredVariant( $fromUser = true ) {
global $wgUser, $wgRequest, $wgVariantArticlePath, $wgDefaultLanguageVariant;
if($this->mPreferredVariant)
return $this->mPreferredVariant;
+ // figure out user lang without constructing wgLang to avoid infinite recursion
+ if( $fromUser )
+ $defaultUserLang = $wgUser->getOption( 'language' );
+ else
+ $defaultUserLang = $this->mMainLanguageCode;
+ $userLang = $wgRequest->getVal( 'uselang', $defaultUserLang );
+ // see if interface language is same as content, if not, prevent conversion
+ if( ! in_array( $userLang, $this->mVariants ) ){
+ $this->mPreferredVariant = $this->mMainLanguageCode; // no conversion
+ return $this->mPreferredVariant;
+ }
+
// see if the preference is set in the request
$req = $wgRequest->getText( 'variant' );
if( in_array( $req, $this->mVariants ) ) {
@@ -140,15 +191,15 @@ class LanguageConverter {
return $this->mMainLanguageCode;
}
-
+
/**
- * dictionary-based conversion
- *
- * @param string $text the text to be converted
- * @param string $toVariant the target language code
- * @return string the converted text
- * @private
- */
+ * dictionary-based conversion
+ *
+ * @param string $text the text to be converted
+ * @param string $toVariant the target language code
+ * @return string the converted text
+ * @private
+ */
function autoConvert($text, $toVariant=false) {
$fname="LanguageConverter::autoConvert";
@@ -168,9 +219,9 @@ class LanguageConverter {
3. place holders created by the parser
*/
global $wgParser;
- if (isset($wgParser))
+ if (isset($wgParser) && $wgParser->UniqPrefix()!=''){
$marker = '|' . $wgParser->UniqPrefix() . '[\-a-zA-Z0-9]+';
- else
+ } else
$marker = "";
// this one is needed when the text is inside an html markup
@@ -180,9 +231,11 @@ class LanguageConverter {
$codefix = '<code>.+?<\/code>|';
// disable convertsion of <script type="text/javascript"> ... </script>
$scriptfix = '<script.*?>.*?<\/script>|';
+ // disable conversion of <pre xxxx> ... </pre>
+ $prefix = '<pre.*?>.*?<\/pre>|';
+
+ $reg = '/'.$codefix . $scriptfix . $prefix . '<[^>]+>|&[a-zA-Z#][a-z0-9]+;' . $marker . $htmlfix . '/s';
- $reg = '/'.$codefix . $scriptfix . '<[^>]+>|&[a-zA-Z#][a-z0-9]+;' . $marker . $htmlfix . '/s';
-
$matches = preg_split($reg, $text, -1, PREG_SPLIT_OFFSET_CAPTURE);
$m = array_shift($matches);
@@ -205,6 +258,7 @@ class LanguageConverter {
* @param string $text Text to convert
* @param string $variant Variant language code
* @return string Translated text
+ * @private
*/
function translate( $text, $variant ) {
wfProfileIn( __METHOD__ );
@@ -216,12 +270,12 @@ class LanguageConverter {
}
/**
- * convert text to all supported variants
- *
- * @param string $text the text to be converted
- * @return array of string
- * @public
- */
+ * convert text to all supported variants
+ *
+ * @param string $text the text to be converted
+ * @return array of string
+ * @public
+ */
function autoConvertToAllVariants($text) {
$fname="LanguageConverter::autoConvertToAllVariants";
wfProfileIn( $fname );
@@ -238,12 +292,12 @@ class LanguageConverter {
}
/**
- * convert link text to all supported variants
- *
- * @param string $text the text to be converted
- * @return array of string
- * @public
- */
+ * convert link text to all supported variants
+ *
+ * @param string $text the text to be converted
+ * @return array of string
+ * @public
+ */
function convertLinkToAllVariants($text) {
if( !$this->mTablesLoaded )
$this->loadTables();
@@ -271,7 +325,32 @@ class LanguageConverter {
/**
+ * apply manual conversion
+ * @private
+ */
+ function applyManualConv($convRule){
+ // use syntax -{T|zh:TitleZh;zh-tw:TitleTw}- for custom conversion in title
+ $title = $convRule->getTitle();
+ if($title){
+ $this->mTitleFromFlag = true;
+ $this->mTitleDisplay = $title;
+ }
+
+ //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;
+ if( $action=="add" )
+ $this->mTables[$v]->mergeArray($t);
+ elseif ( $action=="remove" )
+ $this->mTables[$v]->removeArray($t);
+ }
+ }
+
+ /**
* Convert text using a parser object for context
+ * @public
*/
function parserConvert( $text, &$parser ) {
global $wgDisableLangConversion;
@@ -291,39 +370,31 @@ class LanguageConverter {
}
/**
- * Parse flags with syntax -{FLAG| ... }-
- *
+ * convert title
+ * @private
*/
- function parseFlags($marked){
- $flags = array();
-
- // process flag only if the flag is valid
- if(strlen($marked) < 2 || !(in_array($marked[0],$this->mFlags) && $marked[1]=='|' ) )
- return array($marked,array());
-
- $tt = explode($this->mMarkup['flagsep'], $marked, 2);
-
- if(sizeof($tt) == 2) {
- $f = explode($this->mMarkup['varsep'], $tt[0]);
- foreach($f as $ff) {
- $ff = trim($ff);
- if(array_key_exists($ff, $this->mFlags) &&
- !array_key_exists($this->mFlags[$ff], $flags))
- $flags[] = $this->mFlags[$ff];
- }
- $rules = $tt[1];
- }
- else
- $rules = $marked;
+ function convertTitle($text){
+ // check for __NOTC__ tag
+ if( !$this->mDoTitleConvert ) {
+ $this->mTitleDisplay = $text;
+ return $text;
+ }
- if( !in_array('R',$flags) ){
- //FIXME: may cause trouble here...
- //strip &nbsp; since it interferes with the parsing, plus,
- //all spaces should be stripped in this tag anyway.
- $rules = str_replace('&nbsp;', '', $rules);
- }
+ // use the title from the T flag if any
+ if($this->mTitleFromFlag){
+ $this->mTitleFromFlag = false;
+ return $this->mTitleDisplay;
+ }
- return array($rules,$flags);
+ global $wgRequest;
+ $isredir = $wgRequest->getText( 'redirect', 'yes' );
+ $action = $wgRequest->getText( 'action' );
+ if ( $isredir == 'no' || $action == 'edit' ) {
+ return $text;
+ } else {
+ $this->mTitleDisplay = $this->convert($text);
+ return $this->mTitleDisplay;
+ }
}
/**
@@ -334,136 +405,50 @@ class LanguageConverter {
*
* syntax of the markup:
* -{code1:text1;code2:text2;...}- or
+ * -{flags|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
- */
+ *
+ * @param string $text text to be converted
+ * @param bool $isTitle whether this conversion is for the article title
+ * @return string converted text
+ * @public
+ */
function convert( $text , $isTitle=false) {
- $mw =& MagicWord::get( 'notitleconvert' );
+
+ $mw =& MagicWord::get( 'notitleconvert' );
if( $mw->matchAndRemove( $text ) )
$this->mDoTitleConvert = false;
-
- $mw =& MagicWord::get( 'nocontentconvert' );
+ $mw =& MagicWord::get( 'nocontentconvert' );
if( $mw->matchAndRemove( $text ) ) {
$this->mDoContentConvert = false;
}
// no conversion if redirecting
- $mw =& MagicWord::get( 'redirect' );
+ $mw =& MagicWord::get( 'redirect' );
if( $mw->matchStart( $text ))
return $text;
- if( $isTitle ) {
-
- // use the title from the T flag if any
- if($this->mTitleFromFlag){
- $this->mTitleFromFlag = false;
- return $this->mTitleDisplay;
- }
-
- // check for __NOTC__ tag
- if( !$this->mDoTitleConvert ) {
- $this->mTitleDisplay = $text;
- return $text;
- }
-
- global $wgRequest;
- $isredir = $wgRequest->getText( 'redirect', 'yes' );
- $action = $wgRequest->getText( 'action' );
- if ( $isredir == 'no' || $action == 'edit' ) {
- return $text;
- }
- else {
- $this->mTitleDisplay = $this->convert($text);
- return $this->mTitleDisplay;
- }
- }
+ // for title convertion
+ if ($isTitle) return $this->convertTitle($text);
$plang = $this->getPreferredVariant();
- if( isset( $this->mVariantFallbacks[$plang] ) ) {
- $fallback = $this->mVariantFallbacks[$plang];
- } else {
- $fallback = $this->mMainLanguageCode;
- }
-
- $tarray = explode($this->mMarkup['begin'], $text);
- $tfirst = array_shift($tarray);
- if($this->mDoContentConvert)
- $text = $this->autoConvert($tfirst);
- else
- $text = $tfirst;
- foreach($tarray as $txt) {
- $marked = explode($this->mMarkup['end'], $txt, 2);
-
- // strip the flags from syntax like -{T| ... }-
- list($rules,$flags) = $this->parseFlags($marked[0]);
-
- // proces R flag: output raw content of -{ ... }-
- if( in_array('R',$flags) ){
- $disp = $rules;
- } else if( $this->mDoContentConvert){
- // parse the contents -{ ... }-
- $carray = $this->parseManualRule($rules, $flags);
-
- $disp = '';
- if(array_key_exists($plang, $carray)) {
- $disp = $carray[$plang];
- } else if(array_key_exists($fallback, $carray)) {
- $disp = $carray[$fallback];
- }
- } else{
- // if we don't do content convert, still strip the -{}- tags
- $disp = $rules;
- $flags = array();
- }
-
- if($disp) {
- // use syntax -{T|zh:TitleZh;zh-tw:TitleTw}- for custom conversion in title
- if(in_array('T', $flags)){
- $this->mTitleFromFlag = true;
- $this->mTitleDisplay = $disp;
- }
- else
- $text .= $disp;
-
- // use syntax -{A|zh:WordZh;zh-tw:WordTw}- to introduce a custom mapping between
- // words WordZh and WordTw in the whole text
- if(in_array('A', $flags)) {
-
- /* fill in the missing variants, if any,
- with fallbacks */
- foreach($this->mVariants as $v) {
- if(!array_key_exists($v, $carray)) {
- $vf = $this->getVariantFallback($v);
- if(array_key_exists($vf, $carray))
- $carray[$v] = $carray[$vf];
- }
- }
+ $tarray = explode($this->mMarkup['end'], $text);
+ $text = '';
+ foreach($tarray as $txt) {
+ $marked = explode($this->mMarkup['begin'], $txt, 2);
- foreach($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]->setPair($carray[$vfrom], $carray[$vto]);
- }
- }
- }
- }
- else {
+ if( $this->mDoContentConvert )
+ $text .= $this->autoConvert($marked[0],$plang);
+ else
$text .= $marked[0];
- }
+
if(array_key_exists(1, $marked)){
- if( $this->mDoContentConvert )
- $text .= $this->autoConvert($marked[1]);
- else
- $text .= $marked[1];
+ // strip the flags from syntax like -{T| ... }-
+ $crule = new ConverterRule($marked[1], $this);
+ $crule->parse($plang);
+
+ $text .= $crule->getDisplay();
+ $this->applyManualConv($crule);
}
}
@@ -471,32 +456,6 @@ class LanguageConverter {
}
/**
- * parse the manually marked conversion rule
- * @param string $rule the text of the rule
- * @return array of the translation in each variant
- * @private
- */
- function parseManualRule($rules, $flags=array()) {
-
- $choice = explode($this->mMarkup['varsep'], $rules);
- $carray = array();
- if(sizeof($choice) == 1) {
- /* a single choice */
- foreach($this->mVariants as $v)
- $carray[$v] = $choice[0];
- }
- else {
- foreach($choice as $c) {
- $v = explode($this->mMarkup['codesep'], $c);
- if(sizeof($v) != 2) // syntax error, skip
- continue;
- $carray[trim($v[0])] = trim($v[1]);
- }
- }
- return $carray;
- }
-
- /**
* if a language supports multiple variants, it is
* possible that non-existing link in one variant
* actually exists in another variant. this function
@@ -505,7 +464,7 @@ class LanguageConverter {
* @param string $link the name of the link
* @param mixed $nt the title object of the link
* @return null the input parameters may be modified upon return
- * @access public
+ * @public
*/
function findVariantLink( &$link, &$nt ) {
global $wgDisableLangConversion;
@@ -546,29 +505,29 @@ class LanguageConverter {
}
/**
- * returns language specific hash options
- *
- * @access public
- */
+ * returns language specific hash options
+ *
+ * @public
+ */
function getExtraHashOptions() {
$variant = $this->getPreferredVariant();
return '!' . $variant ;
}
/**
- * get title text as defined in the body of the article text
- *
- * @access public
- */
+ * get title text as defined in the body of the article text
+ *
+ * @public
+ */
function getParsedTitle() {
return $this->mTitleDisplay;
}
/**
- * a write lock to the cache
- *
- * @private
- */
+ * a write lock to the cache
+ *
+ * @private
+ */
function lockCache() {
global $wgMemc;
$success = false;
@@ -581,10 +540,10 @@ class LanguageConverter {
}
/**
- * unlock cache
- *
- * @private
- */
+ * unlock cache
+ *
+ * @private
+ */
function unlockCache() {
global $wgMemc;
$wgMemc->delete($this->mCacheKey . "lock");
@@ -592,20 +551,20 @@ class LanguageConverter {
/**
- * Load default conversion tables
- * This method must be implemented in derived class
- *
- * @private
- */
+ * Load default conversion tables
+ * This method must be implemented in derived class
+ *
+ * @private
+ */
function loadDefaultTables() {
$name = get_class($this);
wfDie("Must implement loadDefaultTables() method in class $name");
}
/**
- * load conversion tables either from the cache or the disk
- * @private
- */
+ * load conversion tables either from the cache or the disk
+ * @private
+ */
function loadTables($fromcache=true) {
global $wgMemc;
if( $this->mTablesLoaded )
@@ -642,16 +601,16 @@ class LanguageConverter {
}
/**
- * Hook for post processig after conversion tables are loaded
- *
- */
+ * Hook for post processig after conversion tables are loaded
+ *
+ */
function postLoadTables() {}
/**
- * Reload the conversion tables
- *
- * @private
- */
+ * Reload the conversion tables
+ *
+ * @private
+ */
function reloadTables() {
if($this->mTables)
unset($this->mTables);
@@ -661,20 +620,18 @@ class LanguageConverter {
/**
- * 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
- *
- * @private
+ * 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 $wgMessageCache;
@@ -690,8 +647,17 @@ class LanguageConverter {
if(array_key_exists($key, $parsed))
return array();
-
- $txt = $wgMessageCache->get( $key, true, true, true );
+ if ( strpos( $code, '/' ) === false ) {
+ $txt = $wgMessageCache->get( 'Conversiontable', true, $code );
+ } else {
+ $title = Title::makeTitleSafe( NS_MEDIAWIKI, "Conversiontable/$code" );
+ if ( $title && $title->exists() ) {
+ $article = new Article( $title );
+ $txt = $article->getContents();
+ } else {
+ $txt = '';
+ }
+ }
// get all subpage links of the form
// [[MediaWiki:conversiontable/zh-xx/...|...]]
@@ -757,37 +723,33 @@ class LanguageConverter {
*
* @param string $text text to be tagged for no conversion
* @return string the tagged text
- */
+ * @public
+ */
function markNoConversion($text, $noParse=false) {
# don't mark if already marked
if(strpos($text, $this->mMarkup['begin']) ||
strpos($text, $this->mMarkup['end']))
return $text;
- $ret = $this->mMarkup['begin'] . $text . $this->mMarkup['end'];
+ $ret = $this->mMarkup['begin'] .'R|'. $text . $this->mMarkup['end'];
return $ret;
}
/**
* convert the sorting key for category links. this should make different
* keys that are variants of each other map to the same key
- */
+ */
function convertCategoryKey( $key ) {
return $key;
}
/**
- * hook to refresh the cache of conversion tables when
- * MediaWiki:conversiontable* is updated
- * @private
- */
+ * hook to refresh the cache of conversion tables when
+ * MediaWiki:conversiontable* is updated
+ * @private
+ */
function OnArticleSaveComplete($article, $user, $text, $summary, $isminor, $iswatch, $section, $flags, $revision) {
$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);
@@ -803,11 +765,377 @@ class LanguageConverter {
/**
* Armour rendered math against conversion
* Wrap math into rawoutput -{R| math }- syntax
+ * @public
*/
function armourMath($text){
$ret = $this->mMarkup['begin'] . 'R|' . $text . $this->mMarkup['end'];
return $ret;
}
+}
+
+/**
+ * parser for rules of language conversion , parse rules in -{ }- tag
+ * @ingroup Language
+ * @author fdcn <fdcn64@gmail.com>
+ */
+class ConverterRule {
+ var $mText; // original text in -{text}-
+ var $mConverter; // LanguageConverter object
+ var $mManualCodeError='<strong class="error">code error!</strong>';
+ var $mRuleDisplay = '',$mRuleTitle=false;
+ var $mRules = '';// string : the text of the rules
+ var $mRulesAction = 'none';
+ var $mFlags = array();
+ var $mConvTable = array();
+ var $mBidtable = array();// array of the translation in each variant
+ var $mUnidtable = array();// array of the translation in each variant
+
+ /**
+ * Constructor
+ *
+ * @param string $text the text between -{ and }-
+ * @param object $converter a LanguageConverter object
+ * @access public
+ */
+ function __construct($text,$converter){
+ $this->mText = $text;
+ $this->mConverter=$converter;
+ foreach($converter->mVariants as $v){
+ $this->mConvTable[$v]=array();
+ }
+ }
+
+ /**
+ * check if variants array in convert array
+ *
+ * @param string $variant Variant language code
+ * @return string Translated text
+ * @public
+ */
+ function getTextInBidtable($variants){
+ if(is_string($variants)){ $variants=array($variants); }
+ if(!is_array($variants)) return false;
+ foreach ($variants as $variant){
+ if(array_key_exists($variant, $this->mBidtable)){
+ return $this->mBidtable[$variant];
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Parse flags with syntax -{FLAG| ... }-
+ * @private
+ */
+ function parseFlags(){
+ $text = $this->mText;
+ if(strlen($text) < 2 ) {
+ $this->mFlags = array( 'R' );
+ $this->mRules = $text;
+ return;
+ }
+
+ $flags = array();
+ $markup = $this->mConverter->mMarkup;
+ $validFlags = $this->mConverter->mFlags;
+
+ $tt = explode($markup['flagsep'], $text, 2);
+ if(count($tt) == 2) {
+ $f = explode($markup['varsep'], $tt[0]);
+ foreach($f as $ff) {
+ $ff = trim($ff);
+ if(array_key_exists($ff, $validFlags) &&
+ !in_array($validFlags[$ff], $flags))
+ $flags[] = $validFlags[$ff];
+ }
+ $rules = $tt[1];
+ } else {
+ $rules = $text;
+ }
+
+ //check flags
+ if( in_array('R',$flags) ){
+ $flags = array('R');// remove other flags
+ } elseif ( in_array('N',$flags) ){
+ $flags = array('N');// remove other flags
+ } elseif ( in_array('-',$flags) ){
+ $flags = array('-');// remove other flags
+ } elseif (count($flags)==1 && $flags[0]=='T'){
+ $flags[]='H';
+ } elseif ( in_array('H',$flags) ){
+ // replace A flag, and remove other flags except T
+ $temp=array('+','H');
+ if(in_array('T',$flags)) $temp[] = 'T';
+ if(in_array('D',$flags)) $temp[] = 'D';
+ $flags = $temp;
+ } else {
+ if ( in_array('A',$flags)) {
+ $flags[]='+';
+ $flags[]='S';
+ }
+ if ( in_array('D',$flags) )
+ $flags=array_diff($flags,array('S'));
+ }
+ if ( count($flags)==0 )
+ $flags = array('S');
+ $this->mRules=$rules;
+ $this->mFlags=$flags;
+ }
+
+ /**
+ * generate conversion table
+ * @private
+ */
+ function parseRules() {
+ $rules = $this->mRules;
+ $flags = $this->mFlags;
+ $bidtable = array();
+ $unidtable = array();
+ $markup = $this->mConverter->mMarkup;
+
+ $choice = explode($markup['varsep'], $rules );
+ foreach($choice as $c) {
+ $v = explode($markup['codesep'], $c);
+ if(count($v) != 2)
+ continue;// syntax error, skip
+ $to=trim($v[1]);
+ $v=trim($v[0]);
+ $u = explode($markup['unidsep'], $v);
+ if(count($u) == 1) {
+ $bidtable[$v] = $to;
+ } else if(count($u) == 2){
+ $from=trim($u[0]);$v=trim($u[1]);
+ if( array_key_exists($v,$unidtable) && !is_array($unidtable[$v]) )
+ $unidtable[$v]=array($from=>$to);
+ else
+ $unidtable[$v][$from]=$to;
+ }
+ // syntax error, pass
+ if (!array_key_exists($v,$this->mConverter->mVariantNames)){
+ $bidtable = array();
+ $unidtable = array();
+ break;
+ }
+ }
+ $this->mBidtable = $bidtable;
+ $this->mUnidtable = $unidtable;
+ }
+
+ /**
+ * @private
+ */
+ function getRulesDesc(){
+ $codesep = $this->mConverter->mDescCodeSep;
+ $varsep = $this->mConverter->mDescVarSep;
+ $text='';
+ foreach($this->mBidtable as $k => $v)
+ $text .= $this->mConverter->mVariantNames[$k]."$codesep$v$varsep";
+ foreach($this->mUnidtable as $k => $a)
+ foreach($a as $from=>$to)
+ $text.=$from.'⇒'.$this->mConverter->mVariantNames[$k]."$codesep$to$varsep";
+ return $text;
+ }
+
+ /**
+ * Parse rules conversion
+ * @private
+ */
+ function getRuleConvertedStr($variant,$doConvert){
+ $bidtable = $this->mBidtable;
+ $unidtable = $this->mUnidtable;
+
+ if( count($bidtable) + count($unidtable) == 0 ){
+ return $this->mRules;
+ } elseif ($doConvert){// the text converted
+ // display current variant in bidirectional array
+ $disp = $this->getTextInBidtable($variant);
+ // or display current variant in fallbacks
+ if(!$disp)
+ $disp = $this->getTextInBidtable(
+ $this->mConverter->getVariantFallbacks($variant));
+ // or display current variant in unidirectional array
+ if(!$disp && array_key_exists($variant,$unidtable)){
+ $disp = array_values($unidtable[$variant]);
+ $disp = $disp[0];
+ }
+ // or display frist text under disable manual convert
+ if(!$disp && $this->mConverter->mManualLevel[$variant]=='disable') {
+ if(count($bidtable)>0){
+ $disp = array_values($bidtable);
+ $disp = $disp[0];
+ } else {
+ $disp = array_values($unidtable);
+ $disp = array_values($disp[0]);
+ $disp = $disp[0];
+ }
+ }
+ return $disp;
+ } else {// no convert
+ return $this->mRules;
+ }
+ }
+
+ /**
+ * generate conversion table for all text
+ * @private
+ */
+ function generateConvTable(){
+ $flags = $this->mFlags;
+ $bidtable = $this->mBidtable;
+ $unidtable = $this->mUnidtable;
+ $manLevel = $this->mConverter->mManualLevel;
+
+ $vmarked=array();
+ foreach($this->mConverter->mVariants as $v) {
+ /* for bidirectional array
+ fill in the missing variants, if any,
+ with fallbacks */
+ if(!array_key_exists($v, $bidtable)) {
+ $variantFallbacks = $this->mConverter->getVariantFallbacks($v);
+ $vf = $this->getTextInBidtable($variantFallbacks);
+ if($vf) $bidtable[$v] = $vf;
+ }
+
+ if(array_key_exists($v,$bidtable)){
+ foreach($vmarked as $vo){
+ // use syntax: -{A|zh:WordZh;zh-tw:WordTw}-
+ // or -{H|zh:WordZh;zh-tw:WordTw}- or -{-|zh:WordZh;zh-tw:WordTw}-
+ // to introduce a custom mapping between
+ // words WordZh and WordTw in the whole text
+ if($manLevel[$v]=='bidirectional'){
+ $this->mConvTable[$v][$bidtable[$vo]]=$bidtable[$v];
+ }
+ if($manLevel[$vo]=='bidirectional'){
+ $this->mConvTable[$vo][$bidtable[$v]]=$bidtable[$vo];
+ }
+ }
+ $vmarked[]=$v;
+ }
+ /*for unidirectional array
+ fill to convert tables */
+ $allow_unid = $manLevel[$v]=='bidirectional'
+ || $manLevel[$v]=='unidirectional';
+ if($allow_unid && array_key_exists($v,$unidtable)){
+ $ct=$this->mConvTable[$v];
+ $this->mConvTable[$v] = array_merge($ct,$unidtable[$v]);
+ }
+ }
+ }
+
+ /**
+ * Parse rules and flags
+ * @public
+ */
+ function parse($variant){
+ if(!$variant) $variant = $this->mConverter->getPreferredVariant();
+ $this->parseFlags();
+ $flags = $this->mFlags;
+ if( !in_array('R',$flags) || !in_array('N',$flags) ){
+ //FIXME: may cause trouble here...
+ //strip &nbsp; since it interferes with the parsing, plus,
+ //all spaces should be stripped in this tag anyway.
+ $this->mRules = str_replace('&nbsp;', '', $this->mRules);
+ // decode => HTML entities modified by Sanitizer::removeHTMLtags
+ $this->mRules = str_replace('=&gt;','=>',$this->mRules);
+
+ $this->parseRules();
+ }
+ $rules = $this->mRules;
+
+ if(count($this->mBidtable)==0 && count($this->mUnidtable)==0){
+ if(in_array('+',$flags) || in_array('-',$flags))
+ // fill all variants if text in -{A/H/-|text} without rules
+ foreach($this->mConverter->mVariants as $v)
+ $this->mBidtable[$v] = $rules;
+ elseif (!in_array('N',$flags) && !in_array('T',$flags) )
+ $this->mFlags = $flags = array('R');
+ }
+
+ if( in_array('R',$flags) ) {
+ // if we don't do content convert, still strip the -{}- tags
+ $this->mRuleDisplay = $rules;
+ } elseif ( in_array('N',$flags) ){
+ // proces N flag: output current variant name
+ $this->mRuleDisplay = $this->mConverter->mVariantNames[trim($rules)];
+ } elseif ( in_array('D',$flags) ){
+ // proces D flag: output rules description
+ $this->mRuleDisplay = $this->getRulesDesc();
+ } elseif ( in_array('H',$flags) || in_array('-',$flags) ) {
+ // proces H,- flag or T only: output nothing
+ $this->mRuleDisplay = '';
+ } elseif ( in_array('S',$flags) ){
+ $this->mRuleDisplay = $this->getRuleConvertedStr($variant,
+ $this->mConverter->mDoContentConvert);
+ } else {
+ $this->mRuleDisplay= $this->mManualCodeError;
+ }
+ // proces T flag
+ if ( in_array('T',$flags) ) {
+ $this->mRuleTitle = $this->getRuleConvertedStr($variant,
+ $this->mConverter->mDoTitleConvert);
+ }
+
+ if (in_array('-', $flags))
+ $this->mRulesAction='remove';
+ if (in_array('+', $flags))
+ $this->mRulesAction='add';
+
+ $this->generateConvTable();
+ }
+
+ /**
+ * @public
+ */
+ function hasRules(){
+ // TODO:
+ }
+
+ /**
+ * get display text on markup -{...}-
+ * @public
+ */
+ function getDisplay(){
+ return $this->mRuleDisplay;
+ }
+ /**
+ * get converted title
+ * @public
+ */
+ function getTitle(){
+ return $this->mRuleTitle;
+ }
+
+ /**
+ * return how deal with conversion rules
+ * @public
+ */
+ function getRulesAction(){
+ return $this->mRulesAction;
+ }
+
+ /**
+ * get conversion table ( bidirectional and unidirectional conversion table )
+ * @public
+ */
+ function getConvTable(){
+ return $this->mConvTable;
+ }
+
+ /**
+ * get conversion rules string
+ * @public
+ */
+ function getRules(){
+ return $this->mRules;
+ }
+
+ /**
+ * get conversion flags
+ * @public
+ */
+ function getFlags(){
+ return $this->mFlags;
+ }
}