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<?php |
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namespace SMW\Query\PrintRequest; |
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use SMW\Query\PrintRequest; |
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use SMW\Localizer; |
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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 Markus Krötzsch |
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* @author mwjames |
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*/ |
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class Serializer { |
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/** |
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* @since 2.5 |
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* |
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* @param PrintRequest $printRequest |
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* @param boolean $showparams that sets if the serialization should include |
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* the extra print request parameters |
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* |
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* @return string |
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*/ |
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102 |
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public static function serialize( PrintRequest $printRequest, $showparams = false ) { |
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$parameters = ''; |
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if ( $showparams ) { |
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foreach ( $printRequest->getParameters() as $key => $value ) { |
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$parameters .= "|+" . $key . "=" . $value; |
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} |
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} |
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102 |
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switch ( $printRequest->getMode() ) { |
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case PrintRequest::PRINT_CATS: |
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return self::doSerializeCat( $printRequest, $parameters ); |
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case PrintRequest::PRINT_CCAT: |
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return self::doSerializeCcat( $printRequest, $parameters ); |
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case PrintRequest::PRINT_CHAIN: |
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case PrintRequest::PRINT_PROP: |
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return self::doSerializeProp( $printRequest, $parameters ); |
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case PrintRequest::PRINT_THIS: |
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return self::doSerializeThis( $printRequest, $parameters ); |
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default: |
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return ''; |
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} |
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return ''; // no current serialisation |
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} |
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private static function doSerializeCat( $printRequest, $parameters ) { |
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$catlabel = Localizer::getInstance()->getNamespaceTextById( NS_CATEGORY ); |
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$result = '?' . $catlabel; |
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if ( $printRequest->getLabel() != $catlabel ) { |
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$result .= '=' . $printRequest->getLabel(); |
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} |
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return $result . $parameters; |
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} |
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private static function doSerializeCcat( $printRequest, $parameters ) { |
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$printname = $printRequest->getData()->getPrefixedText(); |
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$result = '?' . $printname; |
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if ( $printRequest->getOutputFormat() != 'x' ) { |
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$result .= '#' . $printRequest->getOutputFormat(); |
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} |
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if ( $printRequest->getLabel() != $printname ) { |
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$result .= '=' . $printRequest->getLabel(); |
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} |
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return $result . $parameters; |
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} |
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private static function doSerializeProp( $printRequest, $parameters ) { |
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$printname = ''; |
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$label = $printRequest->getLabel(); |
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$data = $printRequest->getData(); |
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if ( $data->isVisible() ) { |
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// #1564 |
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// Use the canonical form for predefined properties to ensure |
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// that local representations are for display but points to |
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// the correct property |
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if ( $printRequest->isMode( PrintRequest::PRINT_CHAIN ) ) { |
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$printname = $data->getDataItem()->getString(); |
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// If the preferred label and invoked label are the same |
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// then no additional label is required as the label is |
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// recognized as being available by the system |
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if ( $label === $data->getLastPropertyChainValue()->getDataItem()->getPreferredLabel() ) { |
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$label = $printname; |
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} |
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} else { |
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$printname = $printRequest->getData()->getDataItem()->getCanonicalLabel(); |
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if ( $label === $data->getDataItem()->getPreferredLabel() ) { |
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$label = $printname; |
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} |
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} |
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} |
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$result = '?' . $printname; |
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if ( $printRequest->getOutputFormat() !== '' ) { |
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$result .= '#' . $printRequest->getOutputFormat(); |
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} |
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if ( $printname != $label ) { |
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$result .= '=' . $label; |
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} |
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return $result . $parameters; |
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} |
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private static function doSerializeThis( $printRequest, $parameters ) { |
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$result = '?'; |
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if ( $printRequest->getLabel() !== '' ) { |
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$result .= '=' . $printRequest->getLabel(); |
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} |
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if ( $printRequest->getOutputFormat() !== '' ) { |
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$result .= '#' . $printRequest->getOutputFormat(); |
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} |
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return $result . $parameters; |
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} |
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} |
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SemanticMediaWiki /
SemanticMediaWiki
This check looks for unreachable code. It uses sophisticated control flow analysis techniques to find statements which will never be executed.
Unreachable code is most often the result of
return,dieorexitstatements that have been added for debug purposes.In the above example, the last
return falsewill never be executed, because a return statement has already been met in every possible execution path.