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<?php
namespace SMW\Deserializers\DVDescriptionDeserializer;
use SMWDINumber as DINumber;
use SMWNumberValue as NumberValue;
/**
* @private
*
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class NumberValueDescriptionDeserializer extends DescriptionDeserializer {
/**
* @since 3.0
*
* {@inheritDoc}
*/
public function isDeserializerFor( $serialization ) {
return $serialization instanceof NumberValue;
}
/**
* @since 3.0
*
* @param string $value
*
* @return Description
*/
public function deserialize( $value ) {
$comparator = SMW_CMP_EQ;
$this->prepareValue( $value, $comparator );
if( $comparator !== SMW_CMP_LIKE && $comparator !== SMW_CMP_PRIM_LIKE ) {
$this->dataValue->setUserValue( $value );
if ( $this->dataValue->isValid() ) {
return $this->descriptionFactory->newValueDescription(
$this->dataValue->getDataItem(),
$this->dataValue->getProperty(),
$comparator
);
} else {
return $this->descriptionFactory->newThingDescription();
}
}
// Remove things that belong to SMW_CMP_LIKE
$value = str_replace( [ '~', '*', '!' ], '', $value );
$this->dataValue->setUserValue( $value );
if ( !$this->dataValue->isValid() ) {
return $this->descriptionFactory->newThingDescription();
}
$dataItem = $this->dataValue->getDataItem();
$property = $this->dataValue->getProperty();
if ( $this->getErrors() !== [] ) {
return $this->descriptionFactory->newThingDescription();
}
// in:/~ signals a range request for a number context
if ( $dataItem->getNumber() >= 0 ) {
// `[[Has number::in:99]]` -> `[[Has number:: [[≥0]] [[≤99]] ]]`)
$description = $this->descriptionFactory->newConjunction(
[
$this->descriptionFactory->newValueDescription( new DINumber( 0 ), $property, SMW_CMP_GEQ ),
$this->descriptionFactory->newValueDescription( $dataItem, $property, SMW_CMP_LEQ )
]
);
} else {
// `[[Has number::in:-100]]` -> `[[Has number:: [[≥-100]] [[≤0]] ]]`
$description = $this->descriptionFactory->newConjunction(
[
$this->descriptionFactory->newValueDescription( $dataItem, $property, SMW_CMP_GEQ ),
$this->descriptionFactory->newValueDescription( new DINumber( 0 ), $property,SMW_CMP_LEQ )
]
);
}
return $description;
}
}
|
