1 files changed, 125 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Exporter/XsdValueMapper.php b/www/wiki/extensions/SemanticMediaWiki/src/Exporter/XsdValueMapper.php
new file mode 100644
index 00000000..80eb5795
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Exporter/XsdValueMapper.php
@@ -0,0 +1,125 @@
+<?php
+
+namespace SMW\Exporter;
+
+use RuntimeException;
+use SMWDataItem as DataItem;
+use SMWDIBlob as DIBlob;
+use SMWDIBoolean as DIBoolean;
+use SMWDINumber as DINumber;
+use SMWDITime as DITime;
+
+/**
+ * This class only maps primitive types (string, boolean, integers ) mostly to
+ * be encoded as literal and all other dataitems are handled separately.
+ *
+ * @license GNU GPL v2+
+ * @since 2.2
+ *
+ * @author Markus Krötzsch
+ * @author mwjames
+ */
+class XsdValueMapper {
+
+	/**
+	 * @var string
+	 */
+	private $xsdValue = '';
+
+	/**
+	 * @var string
+	 */
+	private $xsdType = '';
+
+	/**
+	 * @since 2.2
+	 *
+	 * @param DataItem $dataItem
+	 *
+	 * @throws RuntimeException
+	 */
+	public function map( DataItem $dataItem ) {
+
+		if ( $dataItem instanceof DIBoolean ) {
+			$this->parseToBooleanValue( $dataItem );
+		} elseif ( $dataItem instanceof DINumber ) {
+			$this->parseToDoubleValue( $dataItem );
+		} elseif ( $dataItem instanceof DIBlob ) {
+			$this->parseToStringValue( $dataItem );
+		} elseif ( $dataItem instanceof DITime && $dataItem->getCalendarModel() === DITime::CM_GREGORIAN ) {
+			$this->parseToTimeValueForGregorianCalendarModel( $dataItem );
+		} else {
+			throw new RuntimeException( "Cannot match the dataItem of type " . $dataItem->getDIType() );
+		}
+	}
+
+	/**
+	 * @since 2.2
+	 *
+	 * @return string
+	 */
+	public function getXsdValue() {
+		return $this->xsdValue;
+	}
+
+	/**
+	 * @since 2.2
+	 *
+	 * @return string
+	 */
+	public function getXsdType() {
+		return $this->xsdType;
+	}
+
+	private function parseToStringValue( DIBlob $dataItem ) {
+		$this->xsdValue = smwfHTMLtoUTF8( $dataItem->getString() );
+		$this->xsdType = 'http://www.w3.org/2001/XMLSchema#string';
+	}
+
+	private function parseToDoubleValue( DINumber $dataItem ) {
+		$this->xsdValue = strval( $dataItem->getNumber() );
+		$this->xsdType = 'http://www.w3.org/2001/XMLSchema#double';
+	}
+
+	private function parseToBooleanValue( DIBoolean $dataItem ) {
+		$this->xsdValue = $dataItem->getBoolean() ? 'true' : 'false';
+		$this->xsdType = 'http://www.w3.org/2001/XMLSchema#boolean';
+	}
+
+	private function parseToTimeValueForGregorianCalendarModel( DITime $dataItem  ) {
+
+		if ( $dataItem->getYear() > 0 ) {
+			$xsdvalue = str_pad( $dataItem->getYear(), 4, "0", STR_PAD_LEFT );
+		} else {
+			$xsdvalue = '-' . str_pad( 1 - $dataItem->getYear(), 4, "0", STR_PAD_LEFT );
+		}
+
+		$xsdtype = 'http://www.w3.org/2001/XMLSchema#gYear';
+
+		if ( $dataItem->getPrecision() >= DITime::PREC_YM ) {
+			$xsdtype = 'http://www.w3.org/2001/XMLSchema#gYearMonth';
+			$xsdvalue .= '-' . str_pad( $dataItem->getMonth(), 2, "0", STR_PAD_LEFT );
+			if ( $dataItem->getPrecision() >= DITime::PREC_YMD ) {
+				$xsdtype = 'http://www.w3.org/2001/XMLSchema#date';
+				$xsdvalue .= '-' . str_pad( $dataItem->getDay(), 2, "0", STR_PAD_LEFT );
+				if ( $dataItem->getPrecision() == DITime::PREC_YMDT ) {
+					$xsdtype = 'http://www.w3.org/2001/XMLSchema#dateTime';
+					$xsdvalue .= 'T' .
+						sprintf( "%02d", $dataItem->getHour() ) . ':' .
+						sprintf( "%02d", $dataItem->getMinute()) . ':' .
+						sprintf( "%02d", $dataItem->getSecond() );
+				}
+
+				// https://www.w3.org/TR/2005/NOTE-timezone-20051013/
+				// "Time zone identification in the date and time types relies
+				// entirely on time zone offset from UTC."
+				// Zone offset Z indicates UTC
+				$xsdvalue .= 'Z';
+			}
+		}
+
+		$this->xsdValue = $xsdvalue;
+		$this->xsdType = $xsdtype;
+	}
+
+}