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<?php |
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namespace SMW\DataValues\ValueValidators; |
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use SMWDataValue as DataValue; |
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use SMW\ApplicationFactory; |
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use SMW\DIProperty; |
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/** |
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* @private |
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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 PropertySpecificationConstraintValueValidator implements ConstraintValueValidator { |
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/** |
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* @var boolean |
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*/ |
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private $hasConstraintViolation = false; |
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/** |
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* @var array |
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*/ |
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private static $inMemoryLabelToLanguageTracer = array(); |
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/** |
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* @since 2.5 |
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* |
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* {@inheritDoc} |
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*/ |
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public function hasConstraintViolation() { |
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return $this->hasConstraintViolation; |
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} |
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/** |
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* @since 2.5 |
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* |
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* {@inheritDoc} |
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*/ |
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public function validate( $dataValue ) { |
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$this->hasConstraintViolation = false; |
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if ( |
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!$dataValue instanceof DataValue || |
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$dataValue->getProperty() === null || |
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$dataValue->getContextPage() === null || |
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$dataValue->getContextPage()->getNamespace() !== SMW_NS_PROPERTY ) { |
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return $this->hasConstraintViolation; |
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} |
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if ( $dataValue->getProperty()->getKey() === '_PPLB' ) { |
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return $this->doValidateCodifiedPreferredPropertyLabelConstraints( $dataValue ); |
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} |
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} |
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private function doValidateCodifiedPreferredPropertyLabelConstraints( $dataValue ) { |
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// Annotated but not enabled |
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if ( !$dataValue->isEnabledFeature( SMW_DV_PPLB ) ) { |
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return $dataValue->addErrorMsg( |
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array( |
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'smw-datavalue-feature-not-supported', |
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'SMW_DV_PPLB' |
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) |
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); |
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} |
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$value = $dataValue->toArray(); |
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$dbKey = $dataValue->getContextPage()->getDBKey(); |
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// Language has been already assigned! |
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if ( ( $isKnownBy = $this->isKnownByLabelAndLanguage( $value, $dbKey ) ) !== false ) { |
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$dataValue->addErrorMsg( |
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array( |
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'smw-property-preferred-label-language-combination-exists', |
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$value['_TEXT'], |
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$value['_LCODE'], |
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$isKnownBy |
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) |
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); |
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} |
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} |
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private function isKnownByLabelAndLanguage( $value, $dbkey ) { |
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$lang = isset( $value['_LCODE'] ) ? $value['_LCODE'] : false; |
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if ( !isset( self::$inMemoryLabelToLanguageTracer[$dbkey] ) ) { |
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self::$inMemoryLabelToLanguageTracer[$dbkey] = array(); |
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} |
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if ( $lang && !isset( self::$inMemoryLabelToLanguageTracer[$dbkey][$lang] ) ) { |
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self::$inMemoryLabelToLanguageTracer[$dbkey][$lang] = $value['_TEXT']; |
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} |
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if ( $lang && self::$inMemoryLabelToLanguageTracer[$dbkey][$lang] !== $value['_TEXT'] ) { |
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return self::$inMemoryLabelToLanguageTracer[$dbkey][$lang]; |
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} |
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return false; |
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} |
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} |
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SemanticMediaWiki /
SemanticMediaWiki
