1448 lines
38 KiB
PHP
1448 lines
38 KiB
PHP
<?php
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/**
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* Contains the LanguageConverter class and ConverterRule class
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* @ingroup Language
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*
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* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
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* @file
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*/
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/**
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* Base class for language conversion.
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* @ingroup Language
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*
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* @author Zhengzhu Feng <zhengzhu@gmail.com>
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* @maintainers fdcn <fdcn64@gmail.com>, shinjiman <shinjiman@gmail.com>, PhiLiP <philip.npc@gmail.com>
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*/
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class LanguageConverter {
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var $mMainLanguageCode;
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var $mVariants, $mVariantFallbacks, $mVariantNames;
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var $mTablesLoaded = false;
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var $mTables;
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var $mNamespaceTables;
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// 'bidirectional' 'unidirectional' 'disable' for each variant
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var $mManualLevel;
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var $mCacheKey;
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var $mLangObj;
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var $mFlags;
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var $mDescCodeSep = ':', $mDescVarSep = ';';
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var $mUcfirst = false;
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var $mConvRuleTitle = false;
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var $mURLVariant;
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var $mUserVariant;
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var $mHeaderVariant;
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var $mMaxDepth = 10;
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var $mVarSeparatorPattern;
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const CACHE_VERSION_KEY = 'VERSION 6';
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/**
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* Constructor
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*
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* @param $langobj The Language Object
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* @param $maincode String: the main language code of this language
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* @param $variants Array: the supported variants of this language
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* @param $variantfallbacks Array: the fallback language of each variant
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* @param $flags Array: defining the custom strings that maps to the flags
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* @param $manualLevel Array: limit for supported variants
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*/
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public function __construct( $langobj, $maincode,
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$variants = array(),
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$variantfallbacks = array(),
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$flags = array(),
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$manualLevel = array() ) {
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$this->mLangObj = $langobj;
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$this->mMainLanguageCode = $maincode;
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global $wgDisabledVariants;
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$this->mVariants = array();
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foreach ( $variants as $variant ) {
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if ( !in_array( $variant, $wgDisabledVariants ) ) {
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$this->mVariants[] = $variant;
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}
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}
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$this->mVariantFallbacks = $variantfallbacks;
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global $wgLanguageNames;
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$this->mVariantNames = $wgLanguageNames;
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$this->mCacheKey = wfMemcKey( 'conversiontables', $maincode );
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$f = array(
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// 'S' show converted text
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// '+' add rules for alltext
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// 'E' the gave flags is error
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// these flags above are reserved for program
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'A' => 'A', // add rule for convert code (all text convert)
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'T' => 'T', // title convert
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'R' => 'R', // raw content
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'D' => 'D', // convert description (subclass implement)
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'-' => '-', // remove convert (not implement)
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'H' => 'H', // add rule for convert code
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// (but no display in placed code )
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'N' => 'N' // current variant name
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);
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$this->mFlags = array_merge( $f, $flags );
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foreach ( $this->mVariants as $v ) {
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if ( array_key_exists( $v, $manualLevel ) ) {
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$this->mManualLevel[$v] = $manualLevel[$v];
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} else {
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$this->mManualLevel[$v] = 'bidirectional';
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}
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$this->mNamespaceTables[$v] = array();
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$this->mFlags[$v] = $v;
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}
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}
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/**
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* @public
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*/
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function getVariants() {
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return $this->mVariants;
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}
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/**
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* In case some variant is not defined in the markup, we need
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* to have some fallback. For example, in zh, normally people
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* will define zh-hans and zh-hant, but less so for zh-sg or zh-hk.
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* when zh-sg is preferred but not defined, we will pick zh-hans
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* in this case. Right now this is only used by zh.
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*
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* @param $v String: the language code of the variant
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* @return string array The code of the fallback language or false if there
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* is no fallback
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*/
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public function getVariantFallbacks( $v ) {
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if ( isset( $this->mVariantFallbacks[$v] ) ) {
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return $this->mVariantFallbacks[$v];
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}
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return $this->mMainLanguageCode;
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}
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/**
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* Get the title produced by the conversion rule.
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* @returns String
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*/
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function getConvRuleTitle() {
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return $this->mConvRuleTitle;
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}
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/**
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* Get preferred language variants.
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* @param $fromUser Boolean: get it from $wgUser's preferences
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* @param $fromHeader Boolean: get it from Accept-Language
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* @return String: the preferred language code
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*/
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public function getPreferredVariant( $fromUser = true, $fromHeader = false ) {
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global $wgDefaultLanguageVariant;
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$req = $this->getURLVariant();
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if ( $fromUser && !$req ) {
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$req = $this->getUserVariant();
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}
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if ( $fromHeader && !$req ) {
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$req = $this->getHeaderVariant();
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}
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if ( $wgDefaultLanguageVariant && !$req ) {
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$req = $this->validateVariant( $wgDefaultLanguageVariant );
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}
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// This function, unlike the other get*Variant functions, is
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// not memoized (i.e. there return value is not cached) since
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// new information might appear during processing after this
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// is first called.
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if ( $req ) {
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return $req;
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}
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return $this->mMainLanguageCode;
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}
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/**
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* Validate the variant
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* @param $v String: the variant to validate
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* @return Mixed: returns the variant if it is valid, null otherwise
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*/
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function validateVariant( $v = null ) {
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if ( $v !== null && in_array( $v, $this->mVariants ) ) {
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return $v;
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}
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return null;
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}
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/**
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* Get the variant specified in the URL
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*
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* @return Mixed: variant if one found, false otherwise.
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*/
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function getURLVariant() {
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global $wgRequest;
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$ret = null;
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if ( $this->mURLVariant ) {
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return $this->mURLVariant;
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}
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// see if the preference is set in the request
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$ret = $wgRequest->getText( 'variant' );
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if ( !$ret ) {
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$ret = $wgRequest->getVal( 'uselang' );
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}
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return $this->mURLVariant = $this->validateVariant( $ret );
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}
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/**
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* Determine if the user has a variant set.
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*
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* @return Mixed: variant if one found, false otherwise.
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*/
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function getUserVariant() {
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global $wgUser;
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$ret = null;
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// memoizing this function wreaks havoc on parserTest.php
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/* if ( $this->mUserVariant ) { */
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/* return $this->mUserVariant; */
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/* } */
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// get language variant preference from logged in users
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// Don't call this on stub objects because that causes infinite
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// recursion during initialisation
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if ( $wgUser->isLoggedIn() ) {
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$ret = $wgUser->getOption( 'variant' );
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}
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else {
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// figure out user lang without constructing wgLang to avoid
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// infinite recursion
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$ret = $wgUser->getOption( 'language' );
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}
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return $this->mUserVariant = $this->validateVariant( $ret );
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}
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/**
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* Determine the language variant from the Accept-Language header.
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*
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* @return Mixed: variant if one found, false otherwise.
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*/
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function getHeaderVariant() {
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global $wgRequest;
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$ret = null;
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if ( $this->mHeaderVariant ) {
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return $this->mHeaderVariant;
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}
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// see if some supported language variant is set in the
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// http header.
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$acceptLanguage = $wgRequest->getHeader( 'Accept-Language' );
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if ( !$acceptLanguage ) {
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return null;
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}
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// explode by comma
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$result = StringUtils::explode( ',', strtolower( $acceptLanguage ) );
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$languages = array();
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foreach ( $result as $elem ) {
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// if $elem likes 'zh-cn;q=0.9'
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if ( ( $posi = strpos( $elem, ';' ) ) !== false ) {
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// get the real language code likes 'zh-cn'
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$languages[] = substr( $elem, 0, $posi );
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} else {
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$languages[] = $elem;
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}
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}
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$fallback_languages = array();
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foreach ( $languages as $language ) {
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// strip whitespace
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$language = trim( $language );
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$this->mHeaderVariant = $this->validateVariant( $language );
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if ( $this->mHeaderVariant ) {
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break;
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}
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// To see if there are fallbacks of current language.
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// We record these fallback variants, and process
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// them later.
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$fallbacks = $this->getVariantFallbacks( $language );
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if ( is_string( $fallbacks ) ) {
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$fallback_languages[] = $fallbacks;
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} elseif ( is_array( $fallbacks ) ) {
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$fallback_languages =
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array_merge( $fallback_languages,
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$fallbacks );
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}
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}
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if ( !$this->mHeaderVariant ) {
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// process fallback languages now
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$fallback_languages = array_unique( $fallback_languages );
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foreach ( $fallback_languages as $language ) {
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$this->mHeaderVariant = $this->validateVariant( $language );
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if ( $this->mHeaderVariant ) {
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break;
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}
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}
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}
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return $this->mHeaderVariant;
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}
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/**
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* Caption convert, base on preg_replace_callback.
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*
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* To convert text in "title" or "alt", like '<img alt="text" ... '
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* or '<span title="text" ... '
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*
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* @return String like ' alt="yyyy"' or ' title="yyyy"'
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* @private
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*/
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function captionConvert( $matches ) {
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$toVariant = $this->getPreferredVariant();
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$title = $matches[1];
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$text = $matches[2];
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// we convert captions except URL
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if ( !strpos( $text, '://' ) ) {
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$text = $this->translate( $text, $toVariant );
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}
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return " $title=\"$text\"";
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}
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/**
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* Dictionary-based conversion.
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*
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* @param $text String: the text to be converted
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* @param $toVariant String: the target language code
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* @return String: the converted text
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* @private
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*/
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function autoConvert( $text, $toVariant = false ) {
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$fname = 'LanguageConverter::autoConvert';
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wfProfileIn( $fname );
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if ( !$this->mTablesLoaded ) {
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$this->loadTables();
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}
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if ( !$toVariant ) {
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$toVariant = $this->getPreferredVariant();
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if ( !$toVariant ) {
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return $text;
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}
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}
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/* we convert everything except:
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1. html markups (anything between < and >)
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2. html entities
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3. place holders created by the parser
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*/
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global $wgParser;
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if ( isset( $wgParser ) && $wgParser->UniqPrefix() != '' ) {
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$marker = '|' . $wgParser->UniqPrefix() . '[\-a-zA-Z0-9]+';
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} else {
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$marker = '';
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}
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// this one is needed when the text is inside an html markup
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$htmlfix = '|<[^>]+$|^[^<>]*>';
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// disable convert to variants between <code></code> tags
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$codefix = '<code>.+?<\/code>|';
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// disable convertsion of <script type="text/javascript"> ... </script>
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$scriptfix = '<script.*?>.*?<\/script>|';
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// disable conversion of <pre xxxx> ... </pre>
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$prefix = '<pre.*?>.*?<\/pre>|';
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$reg = '/' . $codefix . $scriptfix . $prefix .
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'<[^>]+>|&[a-zA-Z#][a-z0-9]+;' . $marker . $htmlfix . '/s';
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$matches = preg_split( $reg, $text, - 1, PREG_SPLIT_OFFSET_CAPTURE );
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$m = array_shift( $matches );
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$ret = $this->translate( $m[0], $toVariant );
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$mstart = $m[1] + strlen( $m[0] );
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// enable convertsion of '<img alt="xxxx" ... '
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// or '<span title="xxxx" ... '
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$captionpattern = '/\s(title|alt)\s*=\s*"([\s\S]*?)"/';
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$trtext = '';
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$trtextmark = "\0";
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$notrtext = array();
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foreach ( $matches as $m ) {
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$mark = substr( $text, $mstart, $m[1] - $mstart );
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$mark = preg_replace_callback( $captionpattern,
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array( &$this, 'captionConvert' ),
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$mark );
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// Let's convert the trtext only once,
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// it would give us more performance improvement
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$notrtext[] = $mark;
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$trtext .= $m[0] . $trtextmark;
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$mstart = $m[1] + strlen( $m[0] );
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}
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$notrtext[] = '';
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$trtext = $this->translate( $trtext, $toVariant );
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$trtext = StringUtils::explode( $trtextmark, $trtext );
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foreach ( $trtext as $t ) {
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$ret .= array_shift( $notrtext );
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$ret .= $t;
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}
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wfProfileOut( $fname );
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return $ret;
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}
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/**
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* Translate a string to a variant.
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* Doesn't process markup or do any of that other stuff, for that use
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* convert().
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*
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* @param $text String: text to convert
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* @param $variant String: variant language code
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* @return String: translated text
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* @private
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*/
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function translate( $text, $variant ) {
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wfProfileIn( __METHOD__ );
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// If $text is empty or only includes spaces, do nothing
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// Otherwise translate it
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if ( trim( $text ) ) {
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if ( !$this->mTablesLoaded ) {
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$this->loadTables();
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}
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$text = $this->mTables[$variant]->replace( $text );
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}
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wfProfileOut( __METHOD__ );
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return $text;
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}
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/**
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* Convert text to all supported variants.
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*
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* @param $text String: the text to be converted
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* @return Array of string
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*/
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public function autoConvertToAllVariants( $text ) {
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$fname = 'LanguageConverter::autoConvertToAllVariants';
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wfProfileIn( $fname );
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if ( !$this->mTablesLoaded ) {
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$this->loadTables();
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}
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$ret = array();
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foreach ( $this->mVariants as $variant ) {
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$ret[$variant] = $this->translate( $text, $variant );
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}
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wfProfileOut( $fname );
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return $ret;
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}
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/**
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* Convert link text to all supported variants.
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*
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* @param $text String: the text to be converted
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* @return Array of string
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*/
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public function convertLinkToAllVariants( $text ) {
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if ( !$this->mTablesLoaded ) {
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$this->loadTables();
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}
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$ret = array();
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$tarray = StringUtils::explode( '-{', $text );
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$first = true;
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foreach ( $tarray as $txt ) {
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if ( $first ) {
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$first = false;
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foreach ( $this->mVariants as $variant ) {
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$ret[$variant] = $this->translate( $txt, $variant );
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}
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continue;
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}
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$marked = explode( '}-', $txt, 2 );
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foreach ( $this->mVariants as $variant ) {
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$ret[$variant] .= '-{' . $marked[0] . '}-';
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if ( array_key_exists( 1, $marked ) ) {
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$ret[$variant] .= $this->translate( $marked[1], $variant );
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}
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}
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}
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return $ret;
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}
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|
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/**
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* Prepare manual conversion table.
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* @private
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*/
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function applyManualConv( $convRule ) {
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// use syntax -{T|zh:TitleZh;zh-tw:TitleTw}- for custom
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// conversion in title
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$this->mConvRuleTitle = $convRule->getTitle();
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// apply manual conversion table to global table
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$convTable = $convRule->getConvTable();
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$action = $convRule->getRulesAction();
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foreach ( $convTable as $variant => $pair ) {
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if ( !$this->validateVariant( $variant ) ) {
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continue;
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}
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if ( $action == 'add' ) {
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foreach ( $pair as $from => $to ) {
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// to ensure that $from and $to not be left blank
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// so $this->translate() could always return a string
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if ( $from || $to ) {
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// more efficient than array_merge(), about 2.5 times.
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$this->mTables[$variant]->setPair( $from, $to );
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}
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}
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} elseif ( $action == 'remove' ) {
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$this->mTables[$variant]->removeArray( $pair );
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}
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}
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}
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/**
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* Convert namespace.
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* @param $title String: the title included namespace
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* @return Array of string
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* @private
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*/
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function convertNamespace( $title, $variant ) {
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$splittitle = explode( ':', $title, 2 );
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if ( count( $splittitle ) < 2 ) {
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return $title;
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}
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if ( isset( $this->mNamespaceTables[$variant][$splittitle[0]] ) ) {
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$splittitle[0] = $this->mNamespaceTables[$variant][$splittitle[0]];
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}
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$ret = implode( ':', $splittitle );
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return $ret;
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}
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|
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/**
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* Convert text to different variants of a language. The automatic
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* conversion is done in autoConvert(). Here we parse the text
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* marked with -{}-, which specifies special conversions of the
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* text that can not be accomplished in autoConvert().
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*
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* 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 $text String: text to be converted
|
|
* @return String: converted text
|
|
*/
|
|
public function convert( $text ) {
|
|
global $wgDisableLangConversion;
|
|
if ( $wgDisableLangConversion ) return $text;
|
|
|
|
$variant = $this->getPreferredVariant();
|
|
|
|
return $this->recursiveConvertTopLevel( $text, $variant );
|
|
}
|
|
|
|
protected function recursiveConvertTopLevel( $text, $variant, $depth = 0 ) {
|
|
$startPos = 0;
|
|
$out = '';
|
|
$length = strlen( $text );
|
|
while ( $startPos < $length ) {
|
|
$m = false;
|
|
$pos = strpos( $text, '-{', $startPos );
|
|
|
|
if ( $pos === false ) {
|
|
// No more markup, append final segment
|
|
$out .= $this->autoConvert( substr( $text, $startPos ), $variant );
|
|
$startPos = $length;
|
|
return $out;
|
|
}
|
|
|
|
// Markup found
|
|
// Append initial segment
|
|
$out .= $this->autoConvert( substr( $text, $startPos, $pos - $startPos ), $variant );
|
|
|
|
// Advance position
|
|
$startPos = $pos;
|
|
|
|
// Do recursive conversion
|
|
$out .= $this->recursiveConvertRule( $text, $variant, $startPos, $depth + 1 );
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
protected function recursiveConvertRule( $text, $variant, &$startPos, $depth = 0 ) {
|
|
// Quick sanity check (no function calls)
|
|
if ( $text[$startPos] !== '-' || $text[$startPos + 1] !== '{' ) {
|
|
throw new MWException( __METHOD__.': invalid input string' );
|
|
}
|
|
|
|
$startPos += 2;
|
|
$inner = '';
|
|
$warningDone = false;
|
|
$length = strlen( $text );
|
|
|
|
while ( $startPos < $length ) {
|
|
$m = false;
|
|
preg_match( '/-\{|\}-/', $text, $m, PREG_OFFSET_CAPTURE, $startPos );
|
|
if ( !$m ) {
|
|
// Unclosed rule
|
|
break;
|
|
}
|
|
|
|
$token = $m[0][0];
|
|
$pos = $m[0][1];
|
|
|
|
// Markup found
|
|
// Append initial segment
|
|
$inner .= substr( $text, $startPos, $pos - $startPos );
|
|
|
|
// Advance position
|
|
$startPos = $pos;
|
|
|
|
switch ( $token ) {
|
|
case '-{':
|
|
// Check max depth
|
|
if ( $depth >= $this->mMaxDepth ) {
|
|
$inner .= '-{';
|
|
if ( !$warningDone ) {
|
|
$inner .= '<span class="error">' .
|
|
wfMsgForContent( 'language-converter-depth-warning',
|
|
$this->mMaxDepth ) .
|
|
'</span>';
|
|
$warningDone = true;
|
|
}
|
|
$startPos += 2;
|
|
continue;
|
|
}
|
|
// Recursively parse another rule
|
|
$inner .= $this->recursiveConvertRule( $text, $variant, $startPos, $depth + 1 );
|
|
break;
|
|
case '}-':
|
|
// Apply the rule
|
|
$startPos += 2;
|
|
$rule = new ConverterRule( $inner, $this );
|
|
$rule->parse( $variant );
|
|
$this->applyManualConv( $rule );
|
|
return $rule->getDisplay();
|
|
default:
|
|
throw new MWException( __METHOD__.': invalid regex match' );
|
|
}
|
|
}
|
|
|
|
// Unclosed rule
|
|
if ( $startPos < $length ) {
|
|
$inner .= substr( $text, $startPos );
|
|
}
|
|
$startPos = $length;
|
|
return '-{' . $this->autoConvert( $inner, $variant );
|
|
}
|
|
|
|
/**
|
|
* 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 $link String: the name of the link
|
|
* @param $nt Mixed: the title object of the link
|
|
* @param $ignoreOtherCond Boolean: to disable other conditions when
|
|
* we need to transclude a template or update a category's link
|
|
* @return Null, the input parameters may be modified upon return
|
|
*/
|
|
public function findVariantLink( &$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' );
|
|
$linkconvert = $wgRequest->getText( 'linkconvert', 'yes' );
|
|
$disableLinkConversion = $wgDisableLangConversion
|
|
|| $wgDisableTitleConversion;
|
|
$linkBatch = new LinkBatch();
|
|
|
|
$ns = NS_MAIN;
|
|
|
|
if ( $disableLinkConversion ||
|
|
( !$ignoreOtherCond &&
|
|
( $isredir == 'no'
|
|
|| $action == 'edit'
|
|
|| $action == 'submit'
|
|
|| $linkconvert == 'no'
|
|
|| $wgUser->getOption( 'noconvertlink' ) == 1 ) ) ) {
|
|
return;
|
|
}
|
|
|
|
if ( is_object( $nt ) ) {
|
|
$ns = $nt->getNamespace();
|
|
}
|
|
|
|
$variants = $this->autoConvertToAllVariants( $link );
|
|
if ( $variants == false ) { // give up
|
|
return;
|
|
}
|
|
|
|
$titles = array();
|
|
|
|
foreach ( $variants as $v ) {
|
|
if ( $v != $link ) {
|
|
$varnt = Title::newFromText( $v, $ns );
|
|
if ( !is_null( $varnt ) ) {
|
|
$linkBatch->addObj( $varnt );
|
|
$titles[] = $varnt;
|
|
}
|
|
}
|
|
}
|
|
|
|
// fetch all variants in single query
|
|
$linkBatch->execute();
|
|
|
|
foreach ( $titles as $varnt ) {
|
|
if ( $varnt->getArticleID() > 0 ) {
|
|
$nt = $varnt;
|
|
$link = $varnt->getText();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns language specific hash options.
|
|
*/
|
|
public function getExtraHashOptions() {
|
|
$variant = $this->getPreferredVariant();
|
|
return '!' . $variant ;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
*/
|
|
function loadTables( $fromcache = true ) {
|
|
global $wgMemc;
|
|
if ( $this->mTablesLoaded ) {
|
|
return;
|
|
}
|
|
wfProfileIn( __METHOD__ );
|
|
$this->mTablesLoaded = true;
|
|
$this->mTables = false;
|
|
if ( $fromcache ) {
|
|
wfProfileIn( __METHOD__ . '-cache' );
|
|
$this->mTables = $wgMemc->get( $this->mCacheKey );
|
|
wfProfileOut( __METHOD__ . '-cache' );
|
|
}
|
|
if ( !$this->mTables
|
|
|| !array_key_exists( self::CACHE_VERSION_KEY, $this->mTables ) ) {
|
|
wfProfileIn( __METHOD__ . '-recache' );
|
|
// not in cache, or we need a fresh reload.
|
|
// 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 );
|
|
$this->mTables[$var]->mergeArray( $cached );
|
|
}
|
|
|
|
$this->postLoadTables();
|
|
$this->mTables[self::CACHE_VERSION_KEY] = true;
|
|
|
|
$wgMemc->set( $this->mCacheKey, $this->mTables, 43200 );
|
|
wfProfileOut( __METHOD__ . '-recache' );
|
|
}
|
|
wfProfileOut( __METHOD__ );
|
|
}
|
|
|
|
/**
|
|
* Hook for post processig after conversion tables are loaded.
|
|
*
|
|
*/
|
|
function postLoadTables() { }
|
|
|
|
/**
|
|
* Reload the conversion tables.
|
|
*
|
|
* @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.
|
|
*
|
|
*/
|
|
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();
|
|
}
|
|
|
|
if ( strpos( $code, '/' ) === false ) {
|
|
$txt = $wgMessageCache->get( 'Conversiontable', true, $code );
|
|
if( $txt === false ){
|
|
# FIXME: this method doesn't seem to be expecting
|
|
# this possible outcome...
|
|
$txt = '<Conversiontable>';
|
|
}
|
|
} 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/...|...]]
|
|
$linkhead = $this->mLangObj->getNsText( NS_MEDIAWIKI ) .
|
|
':Conversiontable';
|
|
$subs = StringUtils::explode( '[[', $txt );
|
|
$sublinks = array();
|
|
foreach ( $subs as $sub ) {
|
|
$link = explode( ']]', $sub, 2 );
|
|
if ( count( $link ) != 2 ) {
|
|
continue;
|
|
}
|
|
$b = explode( '|', $link[0], 2 );
|
|
$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 = StringUtils::explode( '-{', $txt );
|
|
$ret = array();
|
|
$first = true;
|
|
foreach ( $blocks as $block ) {
|
|
if ( $first ) {
|
|
// Skip the part before the first -{
|
|
$first = false;
|
|
continue;
|
|
}
|
|
$mappings = explode( '}-', $block, 2 );
|
|
$stripped = str_replace( array( "'", '"', '*', '#' ), '',
|
|
$mappings[0] );
|
|
$table = StringUtils::explode( ';', $stripped );
|
|
foreach ( $table as $t ) {
|
|
$m = explode( '=>', $t, 3 );
|
|
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 );
|
|
}
|
|
}
|
|
|
|
if ( $this->mUcfirst ) {
|
|
foreach ( $ret as $k => $v ) {
|
|
$ret[Language::ucfirst( $k )] = Language::ucfirst( $v );
|
|
}
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Enclose a string with the "no conversion" tag. This is used by
|
|
* various functions in the Parser.
|
|
*
|
|
* @param $text String: text to be tagged for no conversion
|
|
* @param $noParse Unused (?)
|
|
* @return String: the tagged text
|
|
*/
|
|
public function markNoConversion( $text, $noParse = false ) {
|
|
# don't mark if already marked
|
|
if ( strpos( $text, '-{' ) || strpos( $text, '}-' ) ) {
|
|
return $text;
|
|
}
|
|
|
|
$ret = "-{R|$text}-";
|
|
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
|
|
*/
|
|
function OnArticleSaveComplete( $article, $user, $text, $summary, $isminor,
|
|
$iswatch, $section, $flags, $revision ) {
|
|
$titleobj = $article->getTitle();
|
|
if ( $titleobj->getNamespace() == NS_MEDIAWIKI ) {
|
|
$title = $titleobj->getDBkey();
|
|
$t = explode( '/', $title, 3 );
|
|
$c = count( $t );
|
|
if ( $c > 1 && $t[0] == 'Conversiontable' ) {
|
|
if ( $this->validateVariant( $t[1] ) ) {
|
|
$this->reloadTables();
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Armour rendered math against conversion.
|
|
* Wrap math into rawoutput -{R| math }- syntax.
|
|
*/
|
|
public function armourMath( $text ) {
|
|
// we need to convert '-{' and '}-' to '-{' and '}-'
|
|
// to avoid a unwanted '}-' appeared after the math-image.
|
|
$text = strtr( $text, array( '-{' => '-{', '}-' => '}-' ) );
|
|
$ret = "-{R|$text}-";
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Get the cached separator pattern for ConverterRule::parseRules()
|
|
*/
|
|
function getVarSeparatorPattern() {
|
|
if ( is_null( $this->mVarSeparatorPattern ) ) {
|
|
// varsep_pattern for preg_split:
|
|
// text should be splited by ";" only if a valid variant
|
|
// name exist after the markup, for example:
|
|
// -{zh-hans:<span style="font-size:120%;">xxx</span>;zh-hant:\
|
|
// <span style="font-size:120%;">yyy</span>;}-
|
|
// we should split it as:
|
|
// array(
|
|
// [0] => 'zh-hans:<span style="font-size:120%;">xxx</span>'
|
|
// [1] => 'zh-hant:<span style="font-size:120%;">yyy</span>'
|
|
// [2] => ''
|
|
// )
|
|
$pat = '/;\s*(?=';
|
|
foreach ( $this->mVariants as $variant ) {
|
|
// zh-hans:xxx;zh-hant:yyy
|
|
$pat .= $variant . '\s*:|';
|
|
// xxx=>zh-hans:yyy; xxx=>zh-hant:zzz
|
|
$pat .= '[^;]*?=>\s*' . $variant . '\s*:|';
|
|
}
|
|
$pat .= '\s*$)/';
|
|
$this->mVarSeparatorPattern = $pat;
|
|
}
|
|
return $this->mVarSeparatorPattern;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parser for rules of language conversion , parse rules in -{ }- tag.
|
|
* @ingroup Language
|
|
* @author fdcn <fdcn64@gmail.com>, PhiLiP <philip.npc@gmail.com>
|
|
*/
|
|
class ConverterRule {
|
|
var $mText; // original text in -{text}-
|
|
var $mConverter; // LanguageConverter object
|
|
var $mManualCodeError = '<strong class="error">code error!</strong>';
|
|
var $mRuleDisplay = '';
|
|
var $mRuleTitle = false;
|
|
var $mRules = '';// string : the text of the rules
|
|
var $mRulesAction = 'none';
|
|
var $mFlags = array();
|
|
var $mVariantFlags = 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 $text String: the text between -{ and }-
|
|
* @param $converter LanguageConverter object
|
|
*/
|
|
public function __construct( $text, $converter ) {
|
|
$this->mText = $text;
|
|
$this->mConverter = $converter;
|
|
}
|
|
|
|
/**
|
|
* Check if variants array in convert array.
|
|
*
|
|
* @param $variants Array or string: variant language code
|
|
* @return String: translated text
|
|
*/
|
|
public function getTextInBidtable( $variants ) {
|
|
$variants = (array)$variants;
|
|
if ( !$variants ) {
|
|
return false;
|
|
}
|
|
foreach ( $variants as $variant ) {
|
|
if ( isset( $this->mBidtable[$variant] ) ) {
|
|
return $this->mBidtable[$variant];
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Parse flags with syntax -{FLAG| ... }-
|
|
* @private
|
|
*/
|
|
function parseFlags() {
|
|
$text = $this->mText;
|
|
$flags = array();
|
|
$variantFlags = array();
|
|
|
|
$sepPos = strpos( $text, '|' );
|
|
if ( $sepPos !== false ) {
|
|
$validFlags = $this->mConverter->mFlags;
|
|
$f = StringUtils::explode( ';', substr( $text, 0, $sepPos ) );
|
|
foreach ( $f as $ff ) {
|
|
$ff = trim( $ff );
|
|
if ( isset( $validFlags[$ff] ) ) {
|
|
$flags[$validFlags[$ff]] = true;
|
|
}
|
|
}
|
|
$text = strval( substr( $text, $sepPos + 1 ) );
|
|
}
|
|
|
|
if ( !$flags ) {
|
|
$flags['S'] = true;
|
|
} elseif ( isset( $flags['R'] ) ) {
|
|
$flags = array( 'R' => true );// remove other flags
|
|
} elseif ( isset( $flags['N'] ) ) {
|
|
$flags = array( 'N' => true );// remove other flags
|
|
} elseif ( isset( $flags['-'] ) ) {
|
|
$flags = array( '-' => true );// remove other flags
|
|
} elseif ( count( $flags ) == 1 && isset( $flags['T'] ) ) {
|
|
$flags['H'] = true;
|
|
} elseif ( isset( $flags['H'] ) ) {
|
|
// replace A flag, and remove other flags except T
|
|
$temp = array( '+' => true, 'H' => true );
|
|
if ( isset( $flags['T'] ) ) {
|
|
$temp['T'] = true;
|
|
}
|
|
if ( isset( $flags['D'] ) ) {
|
|
$temp['D'] = true;
|
|
}
|
|
$flags = $temp;
|
|
} else {
|
|
if ( isset( $flags['A'] ) ) {
|
|
$flags['+'] = true;
|
|
$flags['S'] = true;
|
|
}
|
|
if ( isset( $flags['D'] ) ) {
|
|
unset( $flags['S'] );
|
|
}
|
|
// try to find flags like "zh-hans", "zh-hant"
|
|
// allow syntaxes like "-{zh-hans;zh-hant|XXXX}-"
|
|
$variantFlags = array_intersect( array_keys( $flags ), $this->mConverter->mVariants );
|
|
if ( $variantFlags ) {
|
|
$variantFlags = array_flip( $variantFlags );
|
|
$flags = array();
|
|
}
|
|
}
|
|
$this->mVariantFlags = $variantFlags;
|
|
$this->mRules = $text;
|
|
$this->mFlags = $flags;
|
|
}
|
|
|
|
/**
|
|
* Generate conversion table.
|
|
* @private
|
|
*/
|
|
function parseRules() {
|
|
$rules = $this->mRules;
|
|
$flags = $this->mFlags;
|
|
$bidtable = array();
|
|
$unidtable = array();
|
|
$variants = $this->mConverter->mVariants;
|
|
$varsep_pattern = $this->mConverter->getVarSeparatorPattern();
|
|
|
|
$choice = preg_split( $varsep_pattern, $rules );
|
|
|
|
foreach ( $choice as $c ) {
|
|
$v = explode( ':', $c, 2 );
|
|
if ( count( $v ) != 2 ) {
|
|
// syntax error, skip
|
|
continue;
|
|
}
|
|
$to = trim( $v[1] );
|
|
$v = trim( $v[0] );
|
|
$u = explode( '=>', $v, 2 );
|
|
// if $to is empty, strtr() could return a wrong result
|
|
if ( count( $u ) == 1 && $to && in_array( $v, $variants ) ) {
|
|
$bidtable[$v] = $to;
|
|
} elseif ( count( $u ) == 2 ) {
|
|
$from = trim( $u[0] );
|
|
$v = trim( $u[1] );
|
|
if ( array_key_exists( $v, $unidtable )
|
|
&& !is_array( $unidtable[$v] )
|
|
&& $to
|
|
&& in_array( $v, $variants ) ) {
|
|
$unidtable[$v] = array( $from => $to );
|
|
} elseif ( $to && in_array( $v, $variants ) ) {
|
|
$unidtable[$v][$from] = $to;
|
|
}
|
|
}
|
|
// syntax error, pass
|
|
if ( !isset( $this->mConverter->mVariantNames[$v] ) ) {
|
|
$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 ) {
|
|
$bidtable = $this->mBidtable;
|
|
$unidtable = $this->mUnidtable;
|
|
|
|
if ( count( $bidtable ) + count( $unidtable ) == 0 ) {
|
|
return $this->mRules;
|
|
} else {
|
|
// 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 $disp;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generate conversion table for all text.
|
|
* @private
|
|
*/
|
|
function generateConvTable() {
|
|
// Special case optimisation
|
|
if ( !$this->mBidtable && !$this->mUnidtable ) {
|
|
$this->mConvTable = array();
|
|
return;
|
|
}
|
|
|
|
$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 ( !isset( $bidtable[$v] ) ) {
|
|
$variantFallbacks =
|
|
$this->mConverter->getVariantFallbacks( $v );
|
|
$vf = $this->getTextInBidtable( $variantFallbacks );
|
|
if ( $vf ) {
|
|
$bidtable[$v] = $vf;
|
|
}
|
|
}
|
|
|
|
if ( isset( $bidtable[$v] ) ) {
|
|
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 */
|
|
if ( ( $manLevel[$v] == 'bidirectional' || $manLevel[$v] == 'unidirectional' )
|
|
&& isset( $unidtable[$v] ) )
|
|
{
|
|
if ( isset( $this->mConvTable[$v] ) ) {
|
|
$this->mConvTable[$v] = array_merge( $this->mConvTable[$v], $unidtable[$v] );
|
|
} else {
|
|
$this->mConvTable[$v] = $unidtable[$v];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse rules and flags.
|
|
* @public
|
|
*/
|
|
function parse( $variant = NULL ) {
|
|
if ( !$variant ) {
|
|
$variant = $this->mConverter->getPreferredVariant();
|
|
}
|
|
|
|
$variants = $this->mConverter->mVariants;
|
|
$this->parseFlags();
|
|
$flags = $this->mFlags;
|
|
|
|
// convert to specified variant
|
|
// syntax: -{zh-hans;zh-hant[;...]|<text to convert>}-
|
|
if ( $this->mVariantFlags ) {
|
|
// check if current variant in flags
|
|
if ( isset( $this->mVariantFlags[$variant] ) ) {
|
|
// then convert <text to convert> to current language
|
|
$this->mRules = $this->mConverter->autoConvert( $this->mRules,
|
|
$variant );
|
|
} else { // if current variant no in flags,
|
|
// then we check its fallback variants.
|
|
$variantFallbacks =
|
|
$this->mConverter->getVariantFallbacks( $variant );
|
|
foreach ( $variantFallbacks as $variantFallback ) {
|
|
// if current variant's fallback exist in flags
|
|
if ( isset( $this->mVariantFlags[$variantFallback] ) ) {
|
|
// then convert <text to convert> to fallback language
|
|
$this->mRules =
|
|
$this->mConverter->autoConvert( $this->mRules,
|
|
$variantFallback );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
$this->mFlags = $flags = array( 'R' => true );
|
|
}
|
|
|
|
if ( !isset( $flags['R'] ) && !isset( $flags['N'] ) ) {
|
|
// decode => HTML entities modified by Sanitizer::removeHTMLtags
|
|
$this->mRules = str_replace( '=>', '=>', $this->mRules );
|
|
$this->parseRules();
|
|
}
|
|
$rules = $this->mRules;
|
|
|
|
if ( !$this->mBidtable && !$this->mUnidtable ) {
|
|
if ( isset( $flags['+'] ) || isset( $flags['-'] ) ) {
|
|
// fill all variants if text in -{A/H/-|text} without rules
|
|
foreach ( $this->mConverter->mVariants as $v ) {
|
|
$this->mBidtable[$v] = $rules;
|
|
}
|
|
} elseif ( !isset( $flags['N'] ) && !isset( $flags['T'] ) ) {
|
|
$this->mFlags = $flags = array( 'R' => true );
|
|
}
|
|
}
|
|
|
|
$this->mRuleDisplay = false;
|
|
foreach ( $flags as $flag => $unused ) {
|
|
switch ( $flag ) {
|
|
case 'R':
|
|
// if we don't do content convert, still strip the -{}- tags
|
|
$this->mRuleDisplay = $rules;
|
|
break;
|
|
case 'N':
|
|
// process N flag: output current variant name
|
|
$ruleVar = trim( $rules );
|
|
if ( isset( $this->mConverter->mVariantNames[$ruleVar] ) ) {
|
|
$this->mRuleDisplay = $this->mConverter->mVariantNames[$ruleVar];
|
|
} else {
|
|
$this->mRuleDisplay = '';
|
|
}
|
|
break;
|
|
case 'D':
|
|
// process D flag: output rules description
|
|
$this->mRuleDisplay = $this->getRulesDesc();
|
|
break;
|
|
case 'H':
|
|
// process H,- flag or T only: output nothing
|
|
$this->mRuleDisplay = '';
|
|
break;
|
|
case '-':
|
|
$this->mRulesAction = 'remove';
|
|
$this->mRuleDisplay = '';
|
|
break;
|
|
case '+':
|
|
$this->mRulesAction = 'add';
|
|
$this->mRuleDisplay = '';
|
|
break;
|
|
case 'S':
|
|
$this->mRuleDisplay = $this->getRuleConvertedStr( $variant );
|
|
break;
|
|
case 'T':
|
|
$this->mRuleTitle = $this->getRuleConvertedStr( $variant );
|
|
$this->mRuleDisplay = '';
|
|
break;
|
|
default:
|
|
// ignore unknown flags (but see error case below)
|
|
}
|
|
}
|
|
if ( $this->mRuleDisplay === false ) {
|
|
$this->mRuleDisplay = $this->mManualCodeError;
|
|
}
|
|
|
|
$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;
|
|
}
|
|
}
|