1 files changed, 287 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/DataValues/KeywordValue.php b/www/wiki/extensions/SemanticMediaWiki/src/DataValues/KeywordValue.php
new file mode 100644
index 00000000..b14e7d7a
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/DataValues/KeywordValue.php
@@ -0,0 +1,287 @@
+<?php
+
+namespace SMW\DataValues;
+
+use SMW\DIProperty;
+use SMW\Localizer;
+use SMWDataItem as DataItem;
+use SMWDIBlob as DIBlob;
+use SMWInfolink as Infolink;
+
+/**
+ * @private
+ *
+ * @license GNU GPL v2+
+ * @since 3.0
+ *
+ * @author mwjames
+ */
+class KeywordValue extends StringValue {
+
+	/**
+	 * DV identifier
+	 */
+	const TYPE_ID = '_keyw';
+
+	/**
+	 * @var string|null
+	 */
+	private $uri = null;
+
+	/**
+	 * @param string $typeid
+	 */
+	public function __construct( $typeid = '' ) {
+		parent::__construct( self::TYPE_ID );
+	}
+
+	/**
+	 * @see DataValue::parseUserValue
+	 *
+	 * @param string $value
+	 */
+	protected function parseUserValue( $value ) {
+
+		// For the normal blob field setup multi-byte requires more space and
+		// since we use the o_hash field to store the normalized content and
+		// as match field, ensure to have enough space to actually store
+		// a mb keyword
+		$maxLength = mb_detect_encoding( $value, 'ASCII', true ) ? 150 : 85;
+
+		if ( mb_strlen( $value, 'utf8' ) > $maxLength ) {
+			$this->addErrorMsg( [ 'smw-datavalue-keyword-maximum-length', $maxLength ] );
+			return;
+		}
+
+		if ( $this->getOption( self::OPT_QUERY_COMP_CONTEXT ) || $this->getOption( self::OPT_QUERY_CONTEXT ) ) {
+			$value = DIBlob::normalize( $value );
+		}
+
+		if ( $this->m_caption === false ) {
+			$this->m_caption = $value;
+		}
+
+		parent::parseUserValue( $value );
+
+		$this->m_dataitem->setOption( 'is.keyword', true );
+	}
+
+	/**
+	 * @see DataValue::getDataItem
+	 */
+	public function getDataItem() {
+
+		if ( $this->isValid() && $this->getOption( 'is.search' ) ) {
+			return new DIBlob( DIBlob::normalize( $this->m_dataitem->getString() ) );
+		}
+
+		return parent::getDataItem();
+	}
+
+	/**
+	 * @see DataValue::getShortWikiText
+	 *
+	 * @param string $value
+	 */
+	public function getShortWikiText( $linker = null ) {
+
+		if ( !$this->isValid() ) {
+			return '';
+		}
+
+		if ( !$this->m_caption ) {
+			$this->m_caption = $this->m_dataitem->getString();
+		}
+
+		if ( $linker === null ) {
+			return $this->m_caption;
+		}
+
+		$uri = $this->makeUri(
+			$this->m_dataitem->getString(),
+			SMW_OUTPUT_WIKI,
+			$linker
+		);
+
+		if ( $uri === '' ) {
+			return $this->m_caption;
+		}
+
+		return $uri;
+	}
+
+	/**
+	 * @see StringValue::getShortHTMLText
+	 */
+	public function getShortHTMLText( $linker = null ) {
+
+		if ( !$this->isValid() ) {
+			return '';
+		}
+
+		if ( !$this->m_caption ) {
+			$this->m_caption = $this->m_dataitem->getString();
+		}
+
+		if ( $linker === null ) {
+			return $this->m_caption;
+		}
+
+		$uri = $this->makeUri(
+			$this->m_dataitem->getString(),
+			SMW_OUTPUT_HTML,
+			$linker
+		);
+
+		if ( $uri === '' ) {
+			return $this->m_caption;
+		}
+
+		return $uri;
+	}
+
+	/**
+	 * @see StringValue::getLongWikiText
+	 */
+	public function getLongWikiText( $linked = null ) {
+		return $this->getShortWikiText( $linked );
+	}
+
+	/**
+	 * @see StringValue::getLongHTMLText
+	 */
+	public function getLongHTMLText( $linker = null ) {
+		return $this->getShortHTMLText( $linker );
+	}
+
+	/**
+	 * @since 2.5
+	 *
+	 * @return DataItem
+	 */
+	public function getUri() {
+
+		if ( !$this->isValid() ) {
+			return '';
+		}
+
+		$uri = $this->makeUri(
+			$this->m_dataitem->getString(),
+			SMW_OUTPUT_RAW
+		);
+
+		if ( $uri === '' ) {
+			return '';
+		}
+
+		$dataValue = $this->dataValueServiceFactory->getDataValueFactory()->newDataValueByType(
+			'_uri',
+			$uri
+		);
+
+		return $dataValue->getDataItem();
+	}
+
+	private function makeUri( $value, $outputformat, $linker = null ) {
+
+		if ( $this->uri !== null ) {
+			return $this->uri;
+		}
+
+		$propertySpecificationLookup = $this->dataValueServiceFactory->getPropertySpecificationLookup();
+
+		// Formatter schema?
+		$dataItems = $propertySpecificationLookup->getSpecification(
+			$this->getProperty(),
+			new DIProperty( '_FORMAT_SCHEMA' )
+		);
+
+		if ( $dataItems === [] ) {
+			return '';
+		}
+
+		$dataItem = end( $dataItems );
+
+		$dataItems = $propertySpecificationLookup->getSpecification(
+			$dataItem,
+			new DIProperty( '_SCHEMA_DEF' )
+		);
+
+		if ( $dataItems === [] ) {
+			return '';
+		}
+
+		$dataItem = end( $dataItems );
+
+		$link = $this->getFormatLink( $dataItem, $value );
+
+		if ( $link === '' ) {
+			return '';
+		}
+
+		$this->uri = $link->getText( $outputformat );
+
+		$this->uri = Localizer::getInstance()->getCanonicalizedUrlByNamespace(
+			NS_SPECIAL,
+			$this->uri
+		);
+
+		return $this->uri;
+	}
+
+	private function getFormatLink( $dataItem, $value ) {
+
+		$infolink = '';
+
+		$data = json_decode(
+			$dataItem->getString(),
+			true
+		);
+
+		// Schema enforced
+		if ( $data['type'] !== 'LINK_FORMAT_SCHEMA' ) {
+			return '';
+		}
+
+		if ( !isset( $data['rule']['link_to'] ) ) {
+			return '';
+		}
+
+		$link_to = $data['rule']['link_to'];
+		$label = $this->getProperty()->getLabel();
+
+		if ( $link_to === 'SPECIAL_ASK' ) {
+			$infolink = Infolink::newInternalLink( $this->m_caption, ':Special:Ask', false, [] );
+			$infolink->setParameter( "[[$label::$value]]", false );
+			$infolink->setCompactLink( $this->getOption( KeywordValue::OPT_COMPACT_INFOLINKS, false ) );
+
+			foreach ( $data['rule']['parameters'] as $key => $value ) {
+
+				if ( $key === 'title' || $key === 'msg' ) {
+					$key = "b$key";
+				}
+
+				if ( $key === 'printouts' ) {
+					foreach ( $value as $v ) {
+						$infolink->setParameter( "?$v" );
+					}
+				} else {
+					$infolink->setParameter( $value, $key );
+				}
+			}
+
+		} elseif ( $link_to === 'SPECIAL_SEARCH_BY_PROPERTY' ) {
+			$infolink = Infolink::newInternalLink( $this->m_caption, ':Special:SearchByProperty', false, [] );
+			$infolink->setCompactLink( $this->getOption( KeywordValue::OPT_COMPACT_INFOLINKS, false ) );
+			$infolink->setParameter( ":$label" );
+			$infolink->setParameter( $value );
+		}
+
+		return $infolink;
+	}
+
+	private function makeNonlinkedWikiText( $url ) {
+		return str_replace( ':', '&#58;', $url );
+	}
+
+}