From 47a1e38e789a34758d36b69dfdd325f5487b98f2 Mon Sep 17 00:00:00 2001
From: Aryeh Gregor <simetrical@users.mediawiki.org>
Date: Mon, 4 Aug 2008 19:36:20 +0000
Subject: [PATCH] Make good-faith effort to run BrokenLink hook in
 Linker::link().  No parser-test regressions, and it shouldn't change behavior
 unless Xml::expandAttributes() and Sanitizer::decodeTagAttributes() aren't
 inverses up to normalization.

---
 includes/Linker.php | 18 +++++++++++++++++-
 includes/Xml.php    |  4 ++--
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/includes/Linker.php b/includes/Linker.php
index b913ebf10c..476245ce2f 100644
--- a/includes/Linker.php
+++ b/includes/Linker.php
@@ -205,8 +205,24 @@ class Linker {
 			$text = $this->linkText( $target );
 		}
 
+		# Compat cruft :(
+		if( in_array( 'broken', $options ) ) {
+			$hookQuery = wfArrayToCGI( $query );
+			$hookUrl = $attribs['href'];
+			$hookAttribs = $attribs;
+			unset( $hookAttribs['href'] );
+			$hookAttribs = Xml::expandAttributes( $hookAttribs );
+			$hookPrefix = $hookInside = $hookTrail = '';
+			wfRunHooks( 'BrokenLink', array( $this, $target, $hookQuery,
+				&$hookUrl, &$hookAttribs, &$hookPrefix, &$text, &$hookInside,
+				&$hookTrail ) );
+			$attribs = Sanitizer::decodeTagAttributes( $hookAttribs );
+			$attribs['href'] = $hookUrl;
+			$text = "$hookPrefix$text$hookInside";
+		}
+
 		$ret = Xml::openElement( 'a', $attribs )
-			. $text
+			. $text . ( isset( $hookTrail ) ? $hookTrail : '' )
 			. Xml::closeElement( 'a' );
 
 		wfProfileOut( __METHOD__ );
diff --git a/includes/Xml.php b/includes/Xml.php
index 7db9ee8cca..1551878518 100644
--- a/includes/Xml.php
+++ b/includes/Xml.php
@@ -41,7 +41,7 @@ class Xml {
 	 * Return null if no attributes given.
 	 * @param $attribs Array of attributes for an XML element
 	 */
-	private static function expandAttributes( $attribs ) {
+	public static function expandAttributes( $attribs ) {
 		$out = '';
 		if( is_null( $attribs ) ) {
 			return null;
@@ -682,4 +682,4 @@ class XmlSelect {
 		return Xml::tags( 'select', $this->attributes, implode( "\n", $this->options ) );
 	}
 
-}
\ No newline at end of file
+}
-- 
2.20.1