1 files changed, 164 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Query/PrintRequest/Serializer.php b/www/wiki/extensions/SemanticMediaWiki/src/Query/PrintRequest/Serializer.php
new file mode 100644
index 00000000..85523c9c
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Query/PrintRequest/Serializer.php
@@ -0,0 +1,164 @@
+<?php
+
+namespace SMW\Query\PrintRequest;
+
+use SMW\Localizer;
+use SMW\Query\PrintRequest;
+
+/**
+ * @license GNU GPL v2+
+ * @since 2.5
+ *
+ * @author Markus Krötzsch
+ * @author mwjames
+ */
+class Serializer {
+
+	/**
+	 * @since 2.5
+	 *
+	 * @param PrintRequest $printRequest
+	 * @param boolean $showparams that sets if the serialization should include
+	 * the extra print request parameters
+	 *
+	 * @return string
+	 */
+	public static function serialize( PrintRequest $printRequest, $showparams = false ) {
+		$parameters = '';
+
+		if ( $showparams ) {
+
+			// #2037 index is required as helper parameter during the result
+			// display but is not part of the original request
+			if ( $printRequest->getParameter( 'lang' ) ) {
+				$printRequest->removeParameter( 'index' );
+			};
+
+			foreach ( $printRequest->getParameters() as $key => $value ) {
+				$parameters .= "|+" . $key . "=" . $value;
+			}
+		}
+
+		switch ( $printRequest->getMode() ) {
+			case PrintRequest::PRINT_CATS:
+				return self::doSerializeCat( $printRequest, $parameters );
+			case PrintRequest::PRINT_CCAT:
+				return self::doSerializeCcat( $printRequest, $parameters );
+			case PrintRequest::PRINT_CHAIN:
+			case PrintRequest::PRINT_PROP:
+				return self::doSerializeProp( $printRequest, $parameters );
+			case PrintRequest::PRINT_THIS:
+				return self::doSerializeThis( $printRequest, $parameters );
+			default:
+				return '';
+		}
+
+		return ''; // no current serialisation
+	}
+
+	private static function doSerializeCat( $printRequest, $parameters ) {
+
+		$catlabel = Localizer::getInstance()->getNamespaceTextById( NS_CATEGORY );
+		$result = '?' . $catlabel;
+
+		if ( $printRequest->getLabel() != $catlabel ) {
+			$result .= '=' . $printRequest->getLabel();
+		}
+
+		return $result . $parameters;
+	}
+
+	private static function doSerializeCcat( $printRequest, $parameters ) {
+
+		$printname = $printRequest->getData()->getPrefixedText();
+		$result = '?' . $printname;
+
+		if ( $printRequest->getOutputFormat() != 'x' ) {
+			$result .= '#' . $printRequest->getOutputFormat();
+		}
+
+		if ( $printRequest->getLabel() != $printname ) {
+			$result .= '=' . $printRequest->getLabel();
+		}
+
+		return $result . $parameters;
+	}
+
+	private static function doSerializeProp( $printRequest, $parameters ) {
+
+		$printname = '';
+
+		$label = $printRequest->getLabel();
+		$data = $printRequest->getData();
+
+		if ( $data->isVisible() ) {
+			// #1564
+			// Use the canonical form for predefined properties to ensure
+			// that local representations are for display but points to
+			// the correct property
+			if ( $printRequest->isMode( PrintRequest::PRINT_CHAIN ) ) {
+				$printname = $data->getDataItem()->getString();
+				// If the preferred label and invoked label are the same
+				// then no additional label is required as the label is
+				// recognized as being available by the system
+				if ( $label === $data->getLastPropertyChainValue()->getDataItem()->getPreferredLabel() ) {
+					$label = $printname;
+				}
+			} else {
+
+				$printname = $data->getDataItem()->getCanonicalLabel();
+
+				if ( $label === $data->getDataItem()->getPreferredLabel() ) {
+					$label = $printname;
+				}
+
+				// Don't carry a localized label for a predefined property
+				// (fetched via the wikiValue)
+				if ( !$data->getDataItem()->isUserDefined() && $label === $data->getWikiValue() ) {
+					$label = $data->getDataItem()->getCanonicalLabel();
+				}
+			}
+		}
+
+		$result = '?' . $printname;
+
+		if ( $printRequest->getOutputFormat() !== '' ) {
+			$result .= '#' . $printRequest->getOutputFormat();
+		}
+
+		if ( $printname != $label && $label !== '' ) {
+			$result .= '=' . $label;
+		}
+
+		return $result . $parameters;
+	}
+
+	private static function doSerializeThis( $printRequest, $parameters ) {
+
+		$result = '?';
+
+		// Has leading ?#
+		if ( $printRequest->hasLabelMarker() ) {
+			$result .= '#';
+		}
+
+		if ( $printRequest->getLabel() !== '' ) {
+			$result .= '=' . $printRequest->getLabel();
+		}
+
+		$outputFormat = $printRequest->getOutputFormat();
+
+		if ( $outputFormat !== '' && $outputFormat !== false && $outputFormat !== null ) {
+
+			// Handle ?, ?#- vs. ?#Foo=#-
+			if ( $printRequest->getLabel() !== '' ) {
+				$result .= '#';
+			}
+
+			$result .= $outputFormat;
+		}
+
+		return $result . $parameters;
+	}
+
+}