1 files changed, 133 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Deserializers/DVDescriptionDeserializer/RecordValueDescriptionDeserializer.php b/www/wiki/extensions/SemanticMediaWiki/src/Deserializers/DVDescriptionDeserializer/RecordValueDescriptionDeserializer.php
new file mode 100644
index 00000000..3d08be24
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Deserializers/DVDescriptionDeserializer/RecordValueDescriptionDeserializer.php
@@ -0,0 +1,133 @@
+<?php
+
+namespace SMW\Deserializers\DVDescriptionDeserializer;
+
+use InvalidArgumentException;
+use SMW\DataValueFactory;
+use SMW\DataValues\ReferenceValue;
+use SMW\Query\Language\Conjunction;
+use SMW\Query\Language\SomeProperty;
+use SMW\Query\Language\ThingDescription;
+use SMWRecordValue as RecordValue;
+
+/**
+ * @private
+ *
+ * @license GNU GPL v2+
+ * @since 2.3
+ *
+ * @author mwjames
+ */
+class RecordValueDescriptionDeserializer extends DescriptionDeserializer {
+
+	/**
+	 * @since 2.3
+	 *
+	 * {@inheritDoc}
+	 */
+	public function isDeserializerFor( $serialization ) {
+		return $serialization instanceof RecordValue || $serialization instanceof ReferenceValue;
+	}
+
+	/**
+	 * @since 2.3
+	 *
+	 * @param string $value
+	 *
+	 * @return Description
+	 * @throws InvalidArgumentException
+	 */
+	public function deserialize( $value ) {
+
+		if ( !is_string( $value ) ) {
+			throw new InvalidArgumentException( 'value needs to be a string' );
+		}
+
+		if ( $value === '' ) {
+			$this->addError( wfMessage( 'smw_novalues' )->text() );
+			return new ThingDescription();
+		}
+
+		$subdescriptions = [];
+		$values = $this->dataValue->getValuesFromString( $value );
+
+		$valueIndex = 0; // index in value array
+		$propertyIndex = 0; // index in property list
+
+		foreach ( $this->dataValue->getPropertyDataItems() as $diProperty ) {
+
+			// stop if there are no values left
+			if ( !is_array( $values ) || !array_key_exists( $valueIndex, $values ) ) {
+				break;
+			}
+
+			$description = $this->getDescriptionForProperty(
+				$diProperty,
+				$values,
+				$valueIndex,
+				$propertyIndex
+			);
+
+			if ( $description !== null ) {
+				 $subdescriptions[] = $description;
+			}
+
+			++$propertyIndex;
+		}
+
+		if ( $subdescriptions === [] ) {
+			$this->addError( wfMessage( 'smw_novalues' )->text() );
+		}
+
+		return $this->getDescriptionFor( $subdescriptions );
+	}
+
+	private function getDescriptionFor( $subdescriptions ) {
+		switch ( count( $subdescriptions ) ) {
+			case 0:
+			return new ThingDescription();
+			case 1:
+			return reset( $subdescriptions );
+			default:
+			return new Conjunction( $subdescriptions );
+		}
+	}
+
+	private function getDescriptionForProperty( $diProperty, $values, &$valueIndex, $propertyIndex ) {
+
+		$values[$valueIndex] = str_replace( "-3B", ";", $values[$valueIndex] );
+		$beforePrepareValue = $values[$valueIndex];
+
+		$description = null;
+		$comparator = SMW_CMP_EQ;
+
+		$this->prepareValue( $values[$valueIndex], $comparator );
+
+		// generating the DVs:
+		if ( ( $values[$valueIndex] === '' ) || ( $values[$valueIndex] == '?' ) ) { // explicit omission
+			$valueIndex++;
+			return $description;
+		}
+
+		$dataValue = DataValueFactory::getInstance()->newDataValueByProperty(
+			$diProperty,
+			$values[$valueIndex],
+			false,
+			$this->dataValue->getContextPage()
+		);
+
+		if ( $dataValue->isValid() ) { // valid DV: keep
+			$description = new SomeProperty(
+				$diProperty,
+				$dataValue->getQueryDescription( $beforePrepareValue )
+			);
+			$valueIndex++;
+		} elseif ( ( count( $values ) - $valueIndex ) == ( count( $this->dataValue->getProperties() ) - $propertyIndex ) ) {
+			$this->addError( $dataValue->getErrors() );
+			++$valueIndex;
+		}
+
+		return $description;
+	}
+
+}