1 files changed, 47 insertions, 0 deletions
diff --git a/includes/parser/CoreLinkFunctions.php b/includes/parser/CoreLinkFunctions.php
new file mode 100644
index 00000000..d6d11880
--- /dev/null
+++ b/includes/parser/CoreLinkFunctions.php
@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * Various core link functions, registered in Parser::firstCallInit()
+ * @ingroup Parser
+ */
+class CoreLinkFunctions {
+	static function register( $parser ) {
+		$parser->setLinkHook( NS_CATEGORY, array( __CLASS__, 'categoryLinkHook' ) );
+		return true;
+	}
+
+	static function defaultLinkHook( $parser, $holders, $markers,
+			Title $title, $titleText, &$displayText = null, &$leadingColon = false ) {
+		if( isset($displayText) && $markers->findMarker( $displayText ) ) {
+			# There are links inside of the displayText
+			# For backwards compatibility the deepest links are dominant so this
+			# link should not be handled
+			$displayText = $markers->expand($displayText);
+			# Return false so that this link is reverted back to WikiText
+			return false;
+		}
+		return $holders->makeHolder( $title, isset($displayText) ? $displayText : $titleText, '', '', '' );
+	}
+	
+	static function categoryLinkHook( $parser, $holders, $markers,
+			Title $title, $titleText, &$sortText = null, &$leadingColon = false ) {
+		global $wgContLang;
+		# When a category link starts with a : treat it as a normal link
+		if( $leadingColon ) return true;
+		if( isset($sortText) && $markers->findMarker( $sortText ) ) {
+			# There are links inside of the sortText
+			# For backwards compatibility the deepest links are dominant so this
+			# link should not be handled
+			$sortText = $markers->expand($sortText);
+			# Return false so that this link is reverted back to WikiText
+			return false;
+		}
+		if( !isset($sortText) ) $sortText = $parser->getDefaultSort();
+		$sortText = Sanitizer::decodeCharReferences( $sortText );
+		$sortText = str_replace( "\n", '', $sortText );
+		$sortText = $wgContLang->convertCategoryKey( $sortText );
+		$parser->mOutput->addCategory( $title->getDBkey(), $sortText );
+		return '';
+	}
+	
+}