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<?php |
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namespace SMW\ExtraneousLanguage; |
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use RuntimeException; |
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/** |
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* @license GNU GPL v2+ |
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* @since 2.5 |
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* |
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* @author mwjames |
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*/ |
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class LanguageFallbackFinder { |
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/** |
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* @var languageFileContentsReader |
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*/ |
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private $languageFileContentsReader; |
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/** |
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* @var string |
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*/ |
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private $canonicalFallbackLanguageCode = 'en'; |
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/** |
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* @var array |
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*/ |
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private $fallbackLanguages = array(); |
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/** |
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* @since 2.5 |
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* |
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* @param languageFileContentsReader $languageFileContentsReader |
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*/ |
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public function __construct( LanguageFileContentsReader $languageFileContentsReader ) { |
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$this->languageFileContentsReader = $languageFileContentsReader; |
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} |
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/** |
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* @since 2.5 |
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*/ |
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public function emptyByLanguageCode( $languageCode ) { |
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unset( $this->fallbackLanguages[strtolower( trim( $languageCode ) )] ); |
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} |
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/** |
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* @since 2.5 |
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* |
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* @return string |
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*/ |
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public function getCanonicalFallbackLanguageCode() { |
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return $this->canonicalFallbackLanguageCode; |
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} |
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/** |
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* @since 2.5 |
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* |
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* @param string $languageCode |
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* |
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* @return string |
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*/ |
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public function getFallbackLanguageBy( $languageCode = '' ) { |
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$languageCode = strtolower( trim( $languageCode ) ); |
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if ( isset( $this->fallbackLanguages[$languageCode] ) ) { |
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return $this->fallbackLanguages[$languageCode]; |
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} |
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$index = 'fallbackLanguage'; |
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// Unknown, use the default |
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if ( $languageCode === '' ) { |
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return $this->canonicalFallbackLanguageCode; |
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} |
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try { |
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$contents = $this->languageFileContentsReader->readByLanguageCode( $languageCode ); |
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} catch ( RuntimeException $e ) { |
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$this->fallbackLanguages[$languageCode] = $this->canonicalFallbackLanguageCode; |
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} |
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// Get customized fallbackLanguage |
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if ( isset( $contents[$index] ) ) { |
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$this->fallbackLanguages[$languageCode] = $contents[$index]; |
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} |
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// The ultimate defense line, fallback was not set, or is false or empty |
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// which means use the canonicalFallbackLanguageCode |
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if ( |
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!isset( $contents[$index] ) || |
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$this->fallbackLanguages[$languageCode] === false || |
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$this->fallbackLanguages[$languageCode] === '' ) { |
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$this->fallbackLanguages[$languageCode] = $this->canonicalFallbackLanguageCode; |
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} |
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return $this->fallbackLanguages[$languageCode]; |
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} |
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} |
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SemanticMediaWiki /
SemanticMediaWiki
