1 files changed, 72 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Query/Language/NamespaceDescription.php b/www/wiki/extensions/SemanticMediaWiki/src/Query/Language/NamespaceDescription.php
new file mode 100644
index 00000000..405f8a40
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Query/Language/NamespaceDescription.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace SMW\Query\Language;
+
+use SMW\Localizer;
+
+/**
+ * Description of all pages within a given wiki namespace, given by a numerical
+ * constant. Corresponds to a class restriction with a special class that
+ * characterises the given namespace (or at least that is how one could map
+ * this to OWL etc.).
+ *
+ * @license GNU GPL v2+
+ * @since 1.6
+ *
+ * @author Markus Krötzsch
+ */
+class NamespaceDescription extends Description {
+
+	/**
+	 * @var integer
+	 */
+	private $namespace;
+
+	/**
+	 * @param integer $namespace
+	 */
+	public function __construct( $namespace ) {
+		$this->namespace = $namespace;
+	}
+
+	/**
+	 * @see Description::getFingerprint
+	 * @since 2.5
+	 *
+	 * @return string
+	 */
+	public function getFingerprint() {
+		// Avoid a simple `int` which may interfere with an associative array
+		// when compounding hash strings from different descriptions
+		return 'N:' . md5( $this->namespace );
+	}
+
+	/**
+	 * @return integer
+	 */
+	public function getNamespace() {
+		return $this->namespace;
+	}
+
+	public function getQueryString( $asValue = false ) {
+
+		$localizedNamespaceText = Localizer::getInstance()->getNamespaceTextById( $this->namespace );
+
+		$prefix = $this->namespace == NS_CATEGORY ? ':' : '';
+
+		if ( $asValue ) {
+			return ' <q>[[' . $prefix . $localizedNamespaceText . ':+]]</q> ';
+		}
+
+		return '[[' . $prefix . $localizedNamespaceText . ':+]]';
+	}
+
+	public function isSingleton() {
+		return false;
+	}
+
+	public function getQueryFeatures() {
+		return SMW_NAMESPACE_QUERY;
+	}
+
+}