* @return Language
*/
protected static function newFromCode( $code ) {
- global $IP;
- static $recursionLevel = 0;
-
// Protect against path traversal below
if ( !Language::isValidCode( $code )
|| strcspn( $code, ":/\\\000" ) !== strlen( $code ) )
return $lang;
}
- if ( $code == 'en' ) {
- $class = 'Language';
- } else {
- $class = 'Language' . str_replace( '-', '_', ucfirst( $code ) );
- if ( !defined( 'MW_COMPILED' ) ) {
- // Preload base classes to work around APC/PHP5 bug
- if ( file_exists( "$IP/languages/classes/$class.deps.php" ) ) {
- include_once( "$IP/languages/classes/$class.deps.php" );
- }
- if ( file_exists( "$IP/languages/classes/$class.php" ) ) {
- include_once( "$IP/languages/classes/$class.php" );
- }
- }
+ // Check if there is a language class for the code
+ $class = self::classFromCode( $code );
+ self::preloadLanguageClass( $class );
+ if ( MWInit::classExists( $class ) ) {
+ $lang = new $class;
+ return $lang;
}
- if ( $recursionLevel > 5 ) {
- throw new MWException( "Language fallback loop detected when creating class $class\n" );
- }
+ // Keep trying the fallback list until we find an existing class
+ $fallbacks = Language::getFallbacksFor( $code );
+ foreach ( $fallbacks as $fallbackCode ) {
+ if ( !Language::isValidBuiltInCode( $fallbackCode ) ) {
+ throw new MWException( "Invalid fallback '$fallbackCode' in fallback sequence for '$code'" );
+ }
- if ( !MWInit::classExists( $class ) ) {
- $fallback = Language::getFallbackFor( $code );
- ++$recursionLevel;
- $lang = Language::newFromCode( $fallback );
- --$recursionLevel;
- $lang->setCode( $code );
- } else {
- $lang = new $class;
+ $class = self::classFromCode( $fallbackCode );
+ self::preloadLanguageClass( $class );
+ if ( MWInit::classExists( $class ) ) {
+ $lang = Language::newFromCode( $fallbackCode );
+ $lang->setCode( $code );
+ return $lang;
+ }
}
- return $lang;
+
+ throw new MWException( "Invalid fallback sequence for language '$code'" );
}
/**
return preg_match( '/^[a-z0-9-]*$/i', $code );
}
+ public static function classFromCode( $code ) {
+ if ( $code == 'en' ) {
+ return 'Language';
+ } else {
+ return 'Language' . str_replace( '-', '_', ucfirst( $code ) );
+ }
+ }
+
+ public static function preloadLanguageClass( $class ) {
+ global $IP;
+
+ if ( $class === 'Language' ) {
+ return;
+ }
+
+ if ( !defined( 'MW_COMPILED' ) ) {
+ // Preload base classes to work around APC/PHP5 bug
+ if ( file_exists( "$IP/languages/classes/$class.deps.php" ) ) {
+ include_once( "$IP/languages/classes/$class.deps.php" );
+ }
+ if ( file_exists( "$IP/languages/classes/$class.php" ) ) {
+ include_once( "$IP/languages/classes/$class.php" );
+ }
+ }
+ }
+
/**
* Get the LocalisationCache instance
*
function initContLang() { }
/**
+ * Same as getFallbacksFor for current language.
* @return array|bool
+ * @deprecated in 1.19
*/
function getFallbackLanguageCode() {
- if ( $this->mCode === 'en' ) {
- return false;
- } else {
- return self::$dataCache->getItem( $this->mCode, 'fallback' );
- }
+ wfDeprecated( __METHOD__ );
+ return self::getFallbackFor( $this->mCode );
+ }
+
+ /**
+ * @return array
+ * @since 1.19
+ */
+ function getFallbackLanguages() {
+ return self::getFallbacksFor( $this->mCode );
}
/**
* @param $newWords array
*/
function addMagicWordsByLang( $newWords ) {
- $code = $this->getCode();
- $fallbackChain = array();
- while ( $code && !in_array( $code, $fallbackChain ) ) {
- $fallbackChain[] = $code;
- $code = self::getFallbackFor( $code );
- }
- if ( !in_array( 'en', $fallbackChain ) ) {
- $fallbackChain[] = 'en';
- }
+ $fallbackChain = $this->getFallbackLanguages();
$fallbackChain = array_reverse( $fallbackChain );
foreach ( $fallbackChain as $code ) {
if ( isset( $newWords[$code] ) ) {
}
/**
- * Get the fallback for a given language
+ * Get the first fallback for a given language
*
* @param $code string
*
*/
static function getFallbackFor( $code ) {
if ( $code === 'en' ) {
- // Shortcut
return false;
} else {
- return self::getLocalisationCache()->getItem( $code, 'fallback' );
+ $fallbacks = self::getFallbacksFor( $code );
+ $first = array_shift( $fallbacks );
+ return $first;
+ }
+ }
+
+ /**
+ * Get the ordered list of fallback languages.
+ *
+ * @since 1.19
+ * @param $code string Language code
+ * @return array
+ */
+ static function getFallbacksFor( $code ) {
+ if ( $code === 'en' ) {
+ return array();
+ } else {
+ $v = self::getLocalisationCache()->getItem( $code, 'fallback' );
+ $v = array_map( 'trim', explode( ',', $v ) );
+ if ( $v[count( $v ) - 1] !== 'en' ) {
+ $v[] = 'en';
+ }
+ return $v;
}
}
dépôts / lhc / web / wiklou.git / commitdiff