<?php
/**
- * Contains the LanguageConverter class and ConverterRule class
- *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* @file
* @ingroup Language
*/
+use MediaWiki\MediaWikiServices;
+
+use MediaWiki\Logger\LoggerFactory;
/**
* Base class for language conversion.
* @ingroup Language
*
* @author Zhengzhu Feng <zhengzhu@gmail.com>
- * @maintainers fdcn <fdcn64@gmail.com>, shinjiman <shinjiman@gmail.com>, PhiLiP <philip.npc@gmail.com>
+ * @author fdcn <fdcn64@gmail.com>
+ * @author shinjiman <shinjiman@gmail.com>
+ * @author PhiLiP <philip.npc@gmail.com>
*/
class LanguageConverter {
- var $mMainLanguageCode;
- var $mVariants, $mVariantFallbacks, $mVariantNames;
- var $mTablesLoaded = false;
- var $mTables;
+ /**
+ * languages supporting variants
+ * @since 1.20
+ * @var array
+ */
+ static public $languagesWithVariants = [
+ 'en',
+ 'gan',
+ 'iu',
+ 'kk',
+ 'ku',
+ 'shi',
+ 'sr',
+ 'tg',
+ 'uz',
+ 'zh',
+ ];
+
+ public $mMainLanguageCode;
+
+ /**
+ * @var string[]
+ */
+ public $mVariants;
+ public $mVariantFallbacks;
+ public $mVariantNames;
+ public $mTablesLoaded = false;
+ public $mTables;
// 'bidirectional' 'unidirectional' 'disable' for each variant
- var $mManualLevel;
- var $mCacheKey;
- var $mLangObj;
- var $mFlags;
- var $mDescCodeSep = ':', $mDescVarSep = ';';
- var $mUcfirst = false;
- var $mConvRuleTitle = false;
- var $mURLVariant;
- var $mUserVariant;
- var $mHeaderVariant;
- var $mMaxDepth = 10;
- var $mVarSeparatorPattern;
-
- const CACHE_VERSION_KEY = 'VERSION 6';
+ public $mManualLevel;
+
+ public $mLangObj;
+ public $mFlags;
+ public $mDescCodeSep = ':', $mDescVarSep = ';';
+ public $mUcfirst = false;
+ public $mConvRuleTitle = false;
+ public $mURLVariant;
+ public $mUserVariant;
+ public $mHeaderVariant;
+ public $mMaxDepth = 10;
+ public $mVarSeparatorPattern;
+
+ const CACHE_VERSION_KEY = 'VERSION 7';
/**
- * Constructor
- *
- * @param $langobj The Language Object
- * @param $maincode String: the main language code of this language
- * @param $variants Array: the supported variants of this language
- * @param $variantfallbacks Array: the fallback language of each variant
- * @param $flags Array: defining the custom strings that maps to the flags
- * @param $manualLevel Array: limit for supported variants
+ * @param Language $langobj
+ * @param string $maincode The main language code of this language
+ * @param string[] $variants The supported variants of this language
+ * @param array $variantfallbacks The fallback language of each variant
+ * @param array $flags Defining the custom strings that maps to the flags
+ * @param array $manualLevel Limit for supported variants
*/
- public function __construct( $langobj, $maincode,
- $variants = array(),
- $variantfallbacks = array(),
- $flags = array(),
- $manualLevel = array() ) {
- global $wgDisabledVariants, $wgLanguageNames;
+ public function __construct( $langobj, $maincode, $variants = [],
+ $variantfallbacks = [], $flags = [],
+ $manualLevel = [] ) {
+ global $wgDisabledVariants;
$this->mLangObj = $langobj;
$this->mMainLanguageCode = $maincode;
$this->mVariants = array_diff( $variants, $wgDisabledVariants );
$this->mVariantFallbacks = $variantfallbacks;
- $this->mVariantNames = $wgLanguageNames;
- $this->mCacheKey = wfMemcKey( 'conversiontables', $maincode );
- $defaultflags = array(
+ $this->mVariantNames = Language::fetchLanguageNames();
+ $defaultflags = [
// '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
- );
+ '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( $defaultflags, $flags );
foreach ( $this->mVariants as $v ) {
if ( array_key_exists( $v, $manualLevel ) ) {
* Get all valid variants.
* Call this instead of using $this->mVariants directly.
*
- * @return Array: contains all valid variants
+ * @return string[] Contains all valid variants
*/
public function getVariants() {
return $this->mVariants;
* 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 $variant String: the language code of the variant
- * @return String: The code of the fallback language or the
- * main code if there is no fallback
+ * @param string $variant The language code of the variant
+ * @return string|array The code of the fallback language or the
+ * main code if there is no fallback
*/
public function getVariantFallbacks( $variant ) {
if ( isset( $this->mVariantFallbacks[$variant] ) ) {
/**
* Get the title produced by the conversion rule.
- * @return String: The converted title text
+ * @return string The converted title text
*/
public function getConvRuleTitle() {
return $this->mConvRuleTitle;
/**
* Get preferred language variant.
- * @return String: the preferred language code
+ * @return string The preferred language code
*/
public function getPreferredVariant() {
global $wgDefaultLanguageVariant, $wgUser;
$req = $this->getURLVariant();
- if ( $wgUser->isLoggedIn() && !$req ) {
+ if ( $wgUser->isSafeToLoad() && $wgUser->isLoggedIn() && !$req ) {
$req = $this->getUserVariant();
- }
-
- elseif ( !$req ) {
+ } elseif ( !$req ) {
$req = $this->getHeaderVariant();
}
// not memoized (i.e. there return value is not cached) since
// new information might appear during processing after this
// is first called.
- if ( $req ) {
+ if ( $this->validateVariant( $req ) ) {
return $req;
}
return $this->mMainLanguageCode;
/**
* Get default variant.
- * This function would not be affected by user's settings or headers
- * @return String: the default variant code
+ * This function would not be affected by user's settings
+ * @return string The default variant code
*/
public function getDefaultVariant() {
global $wgDefaultLanguageVariant;
$req = $this->getURLVariant();
+ if ( !$req ) {
+ $req = $this->getHeaderVariant();
+ }
+
if ( $wgDefaultLanguageVariant && !$req ) {
$req = $this->validateVariant( $wgDefaultLanguageVariant );
}
/**
* Validate the variant
- * @param $variant String: the variant to validate
- * @return Mixed: returns the variant if it is valid, null otherwise
+ * @param string $variant The variant to validate
+ * @return mixed Returns the variant if it is valid, null otherwise
*/
- protected function validateVariant( $variant = null ) {
- if ( $variant !== null &&
- in_array( $variant, $this->mVariants ) ) {
+ public function validateVariant( $variant = null ) {
+ if ( $variant !== null && in_array( $variant, $this->mVariants ) ) {
return $variant;
}
return null;
/**
* Get the variant specified in the URL
*
- * @return Mixed: variant if one found, false otherwise.
+ * @return mixed Variant if one found, false otherwise.
*/
public function getURLVariant() {
global $wgRequest;
$ret = $wgRequest->getVal( 'uselang' );
}
- return $this->mURLVariant = $this->validateVariant( $ret );
+ $this->mURLVariant = $this->validateVariant( $ret );
+ return $this->mURLVariant;
}
/**
* Determine if the user has a variant set.
*
- * @return Mixed: variant if one found, false otherwise.
+ * @return mixed Variant if one found, false otherwise.
*/
protected function getUserVariant() {
- global $wgUser;
+ global $wgUser, $wgContLang;
// memoizing this function wreaks havoc on parserTest.php
- /* if ( $this->mUserVariant ) { */
- /* return $this->mUserVariant; */
- /* } */
+ /*
+ if ( $this->mUserVariant ) {
+ return $this->mUserVariant;
+ }
+ */
- // get language variant preference from logged in users
+ // Get language variant preference from logged in users
// Don't call this on stub objects because that causes infinite
// recursion during initialisation
- if ( $wgUser->isLoggedIn() ) {
- $ret = $wgUser->getOption( 'variant' );
+ if ( !$wgUser->isSafeToLoad() ) {
+ return false;
}
- else {
+ if ( $wgUser->isLoggedIn() ) {
+ if ( $this->mMainLanguageCode == $wgContLang->getCode() ) {
+ $ret = $wgUser->getOption( 'variant' );
+ } else {
+ $ret = $wgUser->getOption( 'variant-' . $this->mMainLanguageCode );
+ }
+ } else {
// figure out user lang without constructing wgLang to avoid
// infinite recursion
$ret = $wgUser->getOption( 'language' );
}
- return $this->mUserVariant = $this->validateVariant( $ret );
+ $this->mUserVariant = $this->validateVariant( $ret );
+ return $this->mUserVariant;
}
/**
* Determine the language variant from the Accept-Language header.
*
- * @return Mixed: variant if one found, false otherwise.
+ * @return mixed Variant if one found, false otherwise.
*/
protected function getHeaderVariant() {
global $wgRequest;
}
// see if some supported language variant is set in the
- // http header.
+ // HTTP header.
$languages = array_keys( $wgRequest->getAcceptLang() );
if ( empty( $languages ) ) {
return null;
}
- $fallback_languages = array();
+ $fallbackLanguages = [];
foreach ( $languages as $language ) {
$this->mHeaderVariant = $this->validateVariant( $language );
if ( $this->mHeaderVariant ) {
// We record these fallback variants, and process
// them later.
$fallbacks = $this->getVariantFallbacks( $language );
- if ( is_string( $fallbacks ) ) {
- $fallback_languages[] = $fallbacks;
+ if ( is_string( $fallbacks ) && $fallbacks !== $this->mMainLanguageCode ) {
+ $fallbackLanguages[] = $fallbacks;
} elseif ( is_array( $fallbacks ) ) {
- $fallback_languages =
- array_merge( $fallback_languages,
- $fallbacks );
+ $fallbackLanguages =
+ array_merge( $fallbackLanguages, $fallbacks );
}
}
if ( !$this->mHeaderVariant ) {
// process fallback languages now
- $fallback_languages = array_unique( $fallback_languages );
+ $fallback_languages = array_unique( $fallbackLanguages );
foreach ( $fallback_languages as $language ) {
$this->mHeaderVariant = $this->validateVariant( $language );
if ( $this->mHeaderVariant ) {
* If you want to parse rules, try to use convert() or
* convertTo().
*
- * @param $text String: the text to be converted
- * @param $toVariant String: the target language code
- * @return String: the converted text
+ * @param string $text The text to be converted
+ * @param bool|string $toVariant The target language code
+ * @return string The converted text
*/
public function autoConvert( $text, $toVariant = false ) {
- wfProfileIn( __METHOD__ );
-
$this->loadTables();
if ( !$toVariant ) {
$toVariant = $this->getPreferredVariant();
if ( !$toVariant ) {
- wfProfileOut( __METHOD__ );
return $text;
}
}
+ if ( $this->guessVariant( $text, $toVariant ) ) {
+ return $text;
+ }
/* we convert everything except:
- 1. html markups (anything between < and >)
- 2. html entities
- 3. place holders created by the parser
+ 1. HTML markups (anything between < and >)
+ 2. HTML entities
+ 3. placeholders created by the parser
+ IMPORTANT: Beware of failure from pcre.backtrack_limit (T124404).
+ Minimize use of backtracking where possible.
*/
- global $wgParser;
- if ( isset( $wgParser ) && $wgParser->UniqPrefix() != '' ) {
- $marker = '|' . $wgParser->UniqPrefix() . '[\-a-zA-Z0-9]+';
- } else {
- $marker = '';
- }
-
- // this one is needed when the text is inside an html markup
- $htmlfix = '|<[^>]+$|^[^<>]*>';
-
- // disable convert to variants between <code></code> tags
- $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';
+ $marker = '|' . Parser::MARKER_PREFIX . '[^\x7f]++\x7f';
+
+ // this one is needed when the text is inside an HTML markup
+ $htmlfix = '|<[^>\004]++(?=\004$)|^[^<>]*+>';
+
+ // Optimize for the common case where these tags have
+ // few or no children. Thus try and possesively get as much as
+ // possible, and only engage in backtracking when we hit a '<'.
+
+ // disable convert to variants between <code> tags
+ $codefix = '<code>[^<]*+(?:(?:(?!<\/code>).)[^<]*+)*+<\/code>|';
+ // disable conversion of <script> tags
+ $scriptfix = '<script[^>]*+>[^<]*+(?:(?:(?!<\/script>).)[^<]*+)*+<\/script>|';
+ // disable conversion of <pre> tags
+ $prefix = '<pre[^>]*+>[^<]*+(?:(?:(?!<\/pre>).)[^<]*+)*+<\/pre>|';
+ // The "|.*+)" at the end, is in case we missed some part of html syntax,
+ // we will fail securely (hopefully) by matching the rest of the string.
+ $htmlFullTag = '<(?:[^>=]*+(?>[^>=]*+=\s*+(?:"[^"]*"|\'[^\']*\'|[^\'">\s]*+))*+[^>=]*+>|.*+)|';
+
+ $reg = '/' . $codefix . $scriptfix . $prefix . $htmlFullTag .
+ '&[a-zA-Z#][a-z0-9]++;' . $marker . $htmlfix . '|\004$/s';
$startPos = 0;
$sourceBlob = '';
$literalBlob = '';
// Guard against delimiter nulls in the input
+ // (should never happen: see T159174)
$text = str_replace( "\000", '', $text );
+ $text = str_replace( "\004", '', $text );
+
+ $markupMatches = null;
+ $elementMatches = null;
+ // We add a marker (\004) at the end of text, to ensure we always match the
+ // entire text (Otherwise, pcre.backtrack_limit might cause silent failure)
while ( $startPos < strlen( $text ) ) {
- if ( preg_match( $reg, $text, $markupMatches, PREG_OFFSET_CAPTURE, $startPos ) ) {
+ if ( preg_match( $reg, $text . "\004", $markupMatches, PREG_OFFSET_CAPTURE, $startPos ) ) {
$elementPos = $markupMatches[0][1];
$element = $markupMatches[0][0];
+ if ( $element === "\004" ) {
+ // We hit the end.
+ $elementPos = strlen( $text );
+ $element = '';
+ } elseif ( substr( $element, -1 ) === "\004" ) {
+ // This can sometimes happen if we have
+ // unclosed html tags (For example
+ // when converting a title attribute
+ // during a recursive call that contains
+ // a < e.g. <div title="<">.
+ $element = substr( $element, 0, -1 );
+ }
} else {
- $elementPos = strlen( $text );
- $element = '';
+ // If we hit here, then Language Converter could be tricked
+ // into doing an XSS, so we refuse to translate.
+ // If non-crazy input manages to reach this code path,
+ // we should consider it a bug.
+ $log = LoggerFactory::getInstance( 'languageconverter' );
+ $log->error( "Hit pcre.backtrack_limit in " . __METHOD__
+ . ". Disabling language conversion for this page.",
+ [
+ "method" => __METHOD__,
+ "variant" => $toVariant,
+ "startOfText" => substr( $text, 0, 500 )
+ ]
+ );
+ return $text;
}
-
// Queue the part before the markup for translation in a batch
$sourceBlob .= substr( $text, $startPos, $elementPos - $startPos ) . "\000";
// Advance to the next position
- $startPos = $elementPos + strlen( $element );
+ $startPos = $elementPos + strlen( $element );
// Translate any alt or title attributes inside the matched element
- if ( $element !== '' && preg_match( '/^(<[^>\s]*)\s([^>]*)(.*)$/', $element,
- $elementMatches ) )
- {
+ if ( $element !== ''
+ && preg_match( '/^(<[^>\s]*+)\s([^>]*+)(.*+)$/', $element, $elementMatches )
+ ) {
+ // FIXME, this decodes entities, so if you have something
+ // like <div title="foo<bar"> the bar won't get
+ // translated since after entity decoding it looks like
+ // unclosed html and we call this method recursively
+ // on attributes.
$attrs = Sanitizer::decodeTagAttributes( $elementMatches[2] );
+ // Ensure self-closing tags stay self-closing.
+ $close = substr( $elementMatches[2], -1 ) === '/' ? ' /' : '';
$changed = false;
- foreach ( array( 'title', 'alt' ) as $attrName ) {
+ foreach ( [ 'title', 'alt' ] as $attrName ) {
if ( !isset( $attrs[$attrName] ) ) {
continue;
}
$attr = $attrs[$attrName];
// Don't convert URLs
if ( !strpos( $attr, '://' ) ) {
- $attr = $this->translate( $attr, $toVariant );
+ $attr = $this->recursiveConvertTopLevel( $attr, $toVariant );
}
-
- // Remove HTML tags to avoid disrupting the layout
- $attr = preg_replace( '/<[^>]+>/', '', $attr );
+
if ( $attr !== $attrs[$attrName] ) {
$attrs[$attrName] = $attr;
$changed = true;
}
}
if ( $changed ) {
- $element = $elementMatches[1] . Html::expandAttributes( $attrs ) .
- $elementMatches[3];
+ $element = $elementMatches[1] . Html::expandAttributes( $attrs ) .
+ $close . $elementMatches[3];
}
}
$literalBlob .= $element . "\000";
$literalIter->next();
}
- wfProfileOut( __METHOD__ );
return $output;
}
* Doesn't parse rules or do any of that other stuff, for that use
* convert() or convertTo().
*
- * @param $text String: text to convert
- * @param $variant String: variant language code
- * @return String: translated text
+ * @param string $text Text to convert
+ * @param string $variant Variant language code
+ * @return string Translated text
*/
public function translate( $text, $variant ) {
- wfProfileIn( __METHOD__ );
// If $text is empty or only includes spaces, do nothing
// Otherwise translate it
if ( trim( $text ) ) {
$this->loadTables();
$text = $this->mTables[$variant]->replace( $text );
}
- wfProfileOut( __METHOD__ );
return $text;
}
/**
* Call translate() to convert text to all valid variants.
*
- * @param $text String: the text to be converted
- * @return Array: variant => converted text
+ * @param string $text The text to be converted
+ * @return array Variant => converted text
*/
public function autoConvertToAllVariants( $text ) {
- wfProfileIn( __METHOD__ );
$this->loadTables();
- $ret = array();
+ $ret = [];
foreach ( $this->mVariants as $variant ) {
$ret[$variant] = $this->translate( $text, $variant );
}
- wfProfileOut( __METHOD__ );
return $ret;
}
- /**
- * Convert link text to all valid variants.
- * In the first, this function only convert text outside the
- * "-{" "}-" markups. Since the "{" and "}" are not allowed in
- * titles, the text will get all converted always.
- * So I removed this feature and deprecated the function.
- *
- * @param $text String: the text to be converted
- * @return Array: variant => converted text
- * @deprecated Use autoConvertToAllVariants() instead
- */
- public function convertLinkToAllVariants( $text ) {
- return $this->autoConvertToAllVariants( $text );
- }
-
/**
* Apply manual conversion rules.
*
- * @param $convRule Object: Object of ConverterRule
+ * @param ConverterRule $convRule
*/
protected function applyManualConv( $convRule ) {
// Use syntax -{T|zh-cn:TitleCN; zh-tw:TitleTw}- to custom
// title conversion.
- // Bug 24072: $mConvRuleTitle was overwritten by other manual
+ // T26072: $mConvRuleTitle was overwritten by other manual
// rule(s) not for title, this breaks the title conversion.
$newConvRuleTitle = $convRule->getTitle();
if ( $newConvRuleTitle ) {
}
if ( $action == 'add' ) {
+ // More efficient than array_merge(), about 2.5 times.
foreach ( $pair as $from => $to ) {
- // to ensure that $from and $to not be left blank
- // so $this->translate() could always return a string
- if ( $from || $to ) {
- // more efficient than array_merge(), about 2.5 times.
- $this->mTables[$variant]->setPair( $from, $to );
- }
+ $this->mTables[$variant]->setPair( $from, $to );
}
} elseif ( $action == 'remove' ) {
$this->mTables[$variant]->removeArray( $pair );
* Auto convert a Title object to a readable string in the
* preferred variant.
*
- *@param $title Object: a object of Title
- *@return String: converted title text
+ * @param Title $title A object of Title
+ * @return string Converted title text
*/
public function convertTitle( $title ) {
$variant = $this->getPreferredVariant();
$index = $title->getNamespace();
- if ( $index === NS_MAIN ) {
- $text = '';
+ if ( $index !== NS_MAIN ) {
+ $text = $this->convertNamespace( $index, $variant ) . ':';
} else {
- // first let's check if a message has given us a converted name
- $nsConvKey = 'conversion-ns' . $index;
- if ( !wfEmptyMsg( $nsConvKey ) ) {
- $text = wfMsgForContentNoTrans( $nsConvKey );
- } else {
- // the message does not exist, try retrieve it from the current
- // variant's namespace names.
- $langObj = $this->mLangObj->factory( $variant );
- $text = $langObj->getFormattedNsText( $index );
- }
- $text .= ':';
+ $text = '';
}
- $text .= $title->getText();
- $text = $this->translate( $text, $variant );
+ $text .= $this->translate( $title->getText(), $variant );
return $text;
}
+ /**
+ * Get the namespace display name in the preferred variant.
+ *
+ * @param int $index Namespace id
+ * @param string|null $variant Variant code or null for preferred variant
+ * @return string Namespace name for display
+ */
+ public function convertNamespace( $index, $variant = null ) {
+ if ( $index === NS_MAIN ) {
+ return '';
+ }
+
+ if ( $variant === null ) {
+ $variant = $this->getPreferredVariant();
+ }
+
+ $cache = MediaWikiServices::getInstance()->getLocalServerObjectCache();
+ $key = $cache->makeKey( 'languageconverter', 'namespace-text', $index, $variant );
+ $nsVariantText = $cache->get( $key );
+ if ( $nsVariantText !== false ) {
+ return $nsVariantText;
+ }
+
+ // First check if a message gives a converted name in the target variant.
+ $nsConvMsg = wfMessage( 'conversion-ns' . $index )->inLanguage( $variant );
+ if ( $nsConvMsg->exists() ) {
+ $nsVariantText = $nsConvMsg->plain();
+ }
+
+ // Then check if a message gives a converted name in content language
+ // which needs extra translation to the target variant.
+ if ( $nsVariantText === false ) {
+ $nsConvMsg = wfMessage( 'conversion-ns' . $index )->inContentLanguage();
+ if ( $nsConvMsg->exists() ) {
+ $nsVariantText = $this->translate( $nsConvMsg->plain(), $variant );
+ }
+ }
+
+ if ( $nsVariantText === false ) {
+ // No message exists, retrieve it from the target variant's namespace names.
+ $langObj = $this->mLangObj->factory( $variant );
+ $nsVariantText = $langObj->getFormattedNsText( $index );
+ }
+
+ $cache->set( $key, $nsVariantText, 60 );
+
+ return $nsVariantText;
+ }
+
/**
* Convert text to different variants of a language. The automatic
* conversion is done in autoConvert(). Here we parse the text
* -{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
+ * @param string $text Text to be converted
+ * @return string Converted text
*/
public function convert( $text ) {
$variant = $this->getPreferredVariant();
/**
* Same as convert() except a extra parameter to custom variant.
*
- * @param $text String: text to be converted
- * @param $variant String: the target variant code
- * @return String: converted text
+ * @param string $text Text to be converted
+ * @param string $variant The target variant code
+ * @return string Converted text
*/
public function convertTo( $text, $variant ) {
global $wgDisableLangConversion;
- if ( $wgDisableLangConversion ) return $text;
+ if ( $wgDisableLangConversion ) {
+ return $text;
+ }
+ // Reset converter state for a new converter run.
+ $this->mConvRuleTitle = false;
return $this->recursiveConvertTopLevel( $text, $variant );
}
* Recursively convert text on the outside. Allow to use nested
* markups to custom rules.
*
- * @param $text String: text to be converted
- * @param $variant String: the target variant code
- * @param $depth Integer: depth of recursion
- * @return String: converted text
+ * @param string $text Text to be converted
+ * @param string $variant The target variant code
+ * @param int $depth Depth of recursion
+ * @return string Converted text
*/
protected function recursiveConvertTopLevel( $text, $variant, $depth = 0 ) {
$startPos = 0;
$out = '';
$length = strlen( $text );
- while ( $startPos < $length ) {
- $pos = strpos( $text, '-{', $startPos );
-
- if ( $pos === false ) {
+ $shouldConvert = !$this->guessVariant( $text, $variant );
+ $continue = 1;
+
+ $noScript = '<script.*?>.*?<\/script>(*SKIP)(*FAIL)';
+ $noStyle = '<style.*?>.*?<\/style>(*SKIP)(*FAIL)';
+ // @codingStandardsIgnoreStart Generic.Files.LineLength.TooLong
+ $noHtml = '<(?:[^>=]*+(?>[^>=]*+=\s*+(?:"[^"]*"|\'[^\']*\'|[^\'">\s]*+))*+[^>=]*+>|.*+)(*SKIP)(*FAIL)';
+ // @codingStandardsIgnoreEnd
+ while ( $startPos < $length && $continue ) {
+ $continue = preg_match(
+ // Only match -{ outside of html.
+ "/$noScript|$noStyle|$noHtml|-\{/",
+ $text,
+ $m,
+ PREG_OFFSET_CAPTURE,
+ $startPos
+ );
+
+ if ( !$continue ) {
// No more markup, append final segment
- $out .= $this->autoConvert( substr( $text, $startPos ), $variant );
+ $fragment = substr( $text, $startPos );
+ $out .= $shouldConvert ? $this->autoConvert( $fragment, $variant ) : $fragment;
return $out;
}
- // Markup found
- // Append initial segment
- $out .= $this->autoConvert( substr( $text, $startPos, $pos - $startPos ), $variant );
+ // Offset of the match of the regex pattern.
+ $pos = $m[0][1];
- // Advance position
+ // Append initial segment
+ $fragment = substr( $text, $startPos, $pos - $startPos );
+ $out .= $shouldConvert ? $this->autoConvert( $fragment, $variant ) : $fragment;
+ // -{ marker found, not in attribute
+ // Advance position up to -{ marker.
$startPos = $pos;
-
// Do recursive conversion
+ // Note: This passes $startPos by reference, and advances it.
$out .= $this->recursiveConvertRule( $text, $variant, $startPos, $depth + 1 );
}
-
return $out;
}
/**
* Recursively convert text on the inside.
*
- * @param $text String: text to be converted
- * @param $variant String: the target variant code
- * @param $depth Integer: depth of recursion
- * @return String: converted text
+ * @param string $text Text to be converted
+ * @param string $variant The target variant code
+ * @param int &$startPos
+ * @param int $depth Depth of recursion
+ *
+ * @throws MWException
+ * @return string Converted text
*/
protected function recursiveConvertRule( $text, $variant, &$startPos, $depth = 0 ) {
// Quick sanity check (no function calls)
while ( $startPos < $length ) {
$m = false;
- preg_match( '/-\{|\}-/', $text, $m, PREG_OFFSET_CAPTURE, $startPos );
+ preg_match( '/-\{|\}-/', $text, $m, PREG_OFFSET_CAPTURE, $startPos );
if ( !$m ) {
// Unclosed rule
break;
$inner .= '-{';
if ( !$warningDone ) {
$inner .= '<span class="error">' .
- wfMsgForContent( 'language-converter-depth-warning',
- $this->mMaxDepth ) .
+ wfMessage( 'language-converter-depth-warning' )
+ ->numParams( $this->mMaxDepth )->inContentLanguage()->text() .
'</span>';
$warningDone = true;
}
}
/**
- * 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
+ * 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
+ * The input parameters may be modified upon return
*
- * @param $link String: the name of the link
- * @param $nt Mixed: the title object of the link
- * @param $ignoreOtherCond Boolean: to disable other conditions when
- * we need to transclude a template or update a category's link
- * @return Null, the input parameters may be modified upon return
+ * @param string &$link The name of the link
+ * @param Title &$nt The title object of the link
+ * @param bool $ignoreOtherCond To disable other conditions when
+ * we need to transclude a template or update a category's link
*/
public function findVariantLink( &$link, &$nt, $ignoreOtherCond = false ) {
# If the article has already existed, there is no need to
return;
}
- global $wgDisableLangConversion, $wgDisableTitleConversion, $wgRequest,
- $wgUser;
+ global $wgDisableLangConversion, $wgDisableTitleConversion, $wgRequest;
$isredir = $wgRequest->getText( 'redirect', 'yes' );
$action = $wgRequest->getText( 'action' );
+ if ( $action == 'edit' && $wgRequest->getBool( 'redlink' ) ) {
+ $action = 'view';
+ }
$linkconvert = $wgRequest->getText( 'linkconvert', 'yes' );
$disableLinkConversion = $wgDisableLangConversion
|| $wgDisableTitleConversion;
$ns = NS_MAIN;
if ( $disableLinkConversion ||
- ( !$ignoreOtherCond &&
- ( $isredir == 'no'
- || $action == 'edit'
- || $action == 'submit'
- || $linkconvert == 'no'
- || $wgUser->getOption( 'noconvertlink' ) == 1 ) ) ) {
+ ( !$ignoreOtherCond &&
+ ( $isredir == 'no'
+ || $action == 'edit'
+ || $action == 'submit'
+ || $linkconvert == 'no' ) ) ) {
return;
}
return;
}
- $titles = array();
+ $titles = [];
foreach ( $variants as $v ) {
if ( $v != $link ) {
/**
* Returns language specific hash options.
+ *
+ * @return string
*/
public function getExtraHashOptions() {
$variant = $this->getPreferredVariant();
- return '!' . $variant ;
+
+ return '!' . $variant;
+ }
+
+ /**
+ * Guess if a text is written in a variant. This should be implemented in subclasses.
+ *
+ * @param string $text The text to be checked
+ * @param string $variant Language code of the variant to be checked for
+ * @return bool True if $text appears to be written in $variant, false if not
+ *
+ * @author Nikola Smolenski <smolensk@eunet.rs>
+ * @since 1.19
+ */
+ public function guessVariant( $text, $variant ) {
+ return false;
}
/**
* This method must be implemented in derived class.
*
* @private
+ * @throws MWException
*/
function loadDefaultTables() {
- $name = get_class( $this );
- wfDie( "Must implement loadDefaultTables() method in class $name" );
+ $class = static::class;
+ throw new MWException( "Must implement loadDefaultTables() method in class $class" );
}
/**
* Load conversion tables either from the cache or the disk.
* @private
+ * @param bool $fromCache Load from memcached? Defaults to true.
*/
- function loadTables( $fromcache = true ) {
+ function loadTables( $fromCache = true ) {
+ global $wgLanguageConverterCacheType;
+
if ( $this->mTablesLoaded ) {
return;
}
- global $wgMemc;
- wfProfileIn( __METHOD__ );
+
$this->mTablesLoaded = true;
$this->mTables = false;
- if ( $fromcache ) {
- wfProfileIn( __METHOD__ . '-cache' );
- $this->mTables = $wgMemc->get( $this->mCacheKey );
- wfProfileOut( __METHOD__ . '-cache' );
+ $cache = ObjectCache::getInstance( $wgLanguageConverterCacheType );
+ $cacheKey = $cache->makeKey( 'conversiontables', $this->mMainLanguageCode );
+ if ( $fromCache ) {
+ $this->mTables = $cache->get( $cacheKey );
}
- if ( !$this->mTables
- || !array_key_exists( self::CACHE_VERSION_KEY, $this->mTables ) ) {
- wfProfileIn( __METHOD__ . '-recache' );
+ if ( !$this->mTables || !array_key_exists( self::CACHE_VERSION_KEY, $this->mTables ) ) {
// not in cache, or we need a fresh reload.
- // we will first load the default tables
- // then update them using things in MediaWiki:Zhconversiontable/*
+ // We will first load the default tables
+ // then update them using things in MediaWiki:Conversiontable/*
$this->loadDefaultTables();
foreach ( $this->mVariants as $var ) {
$cached = $this->parseCachedTable( $var );
$this->postLoadTables();
$this->mTables[self::CACHE_VERSION_KEY] = true;
- $wgMemc->set( $this->mCacheKey, $this->mTables, 43200 );
- wfProfileOut( __METHOD__ . '-recache' );
+ $cache->set( $cacheKey, $this->mTables, 43200 );
}
- wfProfileOut( __METHOD__ );
}
/**
- * Hook for post processig after conversion tables are loaded.
- *
+ * Hook for post processing after conversion tables are loaded.
*/
- function postLoadTables() { }
+ function postLoadTables() {
+ }
/**
* Reload the conversion tables.
*
+ * Also used by test suites which need to reset the converter state.
+ *
* @private
*/
- function reloadTables() {
+ private function reloadTables() {
if ( $this->mTables ) {
unset( $this->mTables );
}
+
$this->mTablesLoaded = false;
$this->loadTables( false );
}
-
/**
* Parse the conversion table stored in the cache.
*
* ...
* }-
*
- * To make the tables more manageable, subpages are allowed
- * and will be parsed recursively if $recursive == true.
+ * To make the tables more manageable, subpages are allowed
+ * and will be parsed recursively if $recursive == true.
*
+ * @param string $code Language code
+ * @param string $subpage Subpage name
+ * @param bool $recursive Parse subpages recursively? Defaults to true.
+ *
+ * @return array
*/
function parseCachedTable( $code, $subpage = '', $recursive = true ) {
- global $wgMessageCache;
- static $parsed = array();
-
- if ( !is_object( $wgMessageCache ) ) {
- return array();
- }
+ static $parsed = [];
$key = 'Conversiontable/' . $code;
if ( $subpage ) {
$key .= '/' . $subpage;
}
if ( array_key_exists( $key, $parsed ) ) {
- return array();
+ return [];
}
- 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>';
- }
+ $parsed[$key] = true;
+
+ if ( $subpage === '' ) {
+ $txt = MessageCache::singleton()->getMsgFromNamespace( $key, $code );
} else {
- $title = Title::makeTitleSafe( NS_MEDIAWIKI,
- "Conversiontable/$code" );
+ $txt = false;
+ $title = Title::makeTitleSafe( NS_MEDIAWIKI, $key );
if ( $title && $title->exists() ) {
- $article = new Article( $title );
- $txt = $article->getContents();
- } else {
- $txt = '';
+ $revision = Revision::newFromTitle( $title );
+ if ( $revision ) {
+ if ( $revision->getContentModel() == CONTENT_MODEL_WIKITEXT ) {
+ $txt = $revision->getContent( Revision::RAW )->getNativeData();
+ }
+
+ // @todo in the future, use a specialized content model, perhaps based on json!
+ }
}
}
+ # Nothing to parse if there's no text
+ if ( $txt === false || $txt === null || $txt === '' ) {
+ return [];
+ }
+
// get all subpage links of the form
- // [[MediaWiki:conversiontable/zh-xx/...|...]]
+ // [[MediaWiki:Conversiontable/zh-xx/...|...]]
$linkhead = $this->mLangObj->getNsText( NS_MEDIAWIKI ) .
':Conversiontable';
$subs = StringUtils::explode( '[[', $txt );
- $sublinks = array();
+ $sublinks = [];
foreach ( $subs as $sub ) {
$link = explode( ']]', $sub, 2 );
if ( count( $link ) != 2 ) {
// parse the mappings in this page
$blocks = StringUtils::explode( '-{', $txt );
- $ret = array();
+ $ret = [];
$first = true;
foreach ( $blocks as $block ) {
if ( $first ) {
$first = false;
continue;
}
- $mappings = explode( '}-', $block, 2 );
- $stripped = str_replace( array( "'", '"', '*', '#' ), '',
- $mappings[0] );
+ $mappings = explode( '}-', $block, 2 )[0];
+ $stripped = str_replace( [ "'", '"', '*', '#' ], '', $mappings );
$table = StringUtils::explode( ';', $stripped );
foreach ( $table as $t ) {
$m = explode( '=>', $t, 3 );
- if ( count( $m ) != 2 )
+ 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 );
+ $ret = $s + $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
+ * @param string $text Text to be tagged for no conversion
+ * @param bool $noParse Unused
+ * @return string The tagged text
*/
public function markNoConversion( $text, $noParse = false ) {
# don't mark if already marked
/**
* Convert the sorting key for category links. This should make different
* keys that are variants of each other map to the same key.
+ *
+ * @param string $key
+ *
+ * @return string
*/
function convertCategoryKey( $key ) {
return $key;
}
/**
- * Hook to refresh the cache of conversion tables when
- * MediaWiki:conversiontable* is updated.
- * @private
+ * Refresh the cache of conversion tables when
+ * MediaWiki:Conversiontable* is updated.
+ *
+ * @param Title $titleobj The Title of the page being updated
*/
- function OnArticleSaveComplete( $article, $user, $text, $summary, $isminor,
- $iswatch, $section, $flags, $revision ) {
- $titleobj = $article->getTitle();
+ public function updateConversionTable( Title $titleobj ) {
if ( $titleobj->getNamespace() == NS_MEDIAWIKI ) {
$title = $titleobj->getDBkey();
$t = explode( '/', $title, 3 );
}
}
}
- return true;
- }
-
- /**
- * Armour rendered math against conversion.
- * Escape special chars in parsed math text.(in most cases are img elements)
- */
- public function armourMath( $text ) {
- // convert '-{' and '}-' to '-{' and '}-' to prevent
- // any unwanted markup appearing in the math image tag.
- $text = strtr( $text, array( '-{' => '-{', '}-' => '}-' ) );
- return $text;
}
/**
* Get the cached separator pattern for ConverterRule::parseRules()
+ * @return string
*/
function getVarSeparatorPattern() {
if ( is_null( $this->mVarSeparatorPattern ) ) {
// 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>;}-
+ // <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] => ''
- // )
+ // [
+ // [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
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;
- $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();
- }
-
- $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;
- }
-}
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