From 183851b06bd6c52f3cae5375f433da720d410447 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Wed, 11 Oct 2006 18:12:39 +0000
Subject: MediaWiki 1.7.1 wiederhergestellt

---
 includes/SpecialDoubleRedirects.php | 107 ++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 includes/SpecialDoubleRedirects.php

(limited to 'includes/SpecialDoubleRedirects.php')

diff --git a/includes/SpecialDoubleRedirects.php b/includes/SpecialDoubleRedirects.php
new file mode 100644
index 00000000..fe480f60
--- /dev/null
+++ b/includes/SpecialDoubleRedirects.php
@@ -0,0 +1,107 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class DoubleRedirectsPage extends PageQueryPage {
+
+	function getName() {
+		return 'DoubleRedirects';
+	}
+
+	function isExpensive( ) { return true; }
+	function isSyndicated() { return false; }
+
+	function getPageHeader( ) {
+		#FIXME : probably need to add a backlink to the maintenance page.
+		return '<p>'.wfMsg("doubleredirectstext")."</p><br />\n";
+	}
+
+	function getSQLText( &$dbr, $namespace = null, $title = null ) {
+		
+		extract( $dbr->tableNames( 'page', 'pagelinks' ) );
+
+		$limitToTitle = !( $namespace === null && $title === null );
+		$sql = $limitToTitle ? "SELECT" : "SELECT 'DoubleRedirects' as type," ;
+		$sql .=
+			 " pa.page_namespace as namespace, pa.page_title as title," .
+			 " pb.page_namespace as nsb, pb.page_title as tb," .
+			 " pc.page_namespace as nsc, pc.page_title as tc" .
+		   " FROM $pagelinks AS la, $pagelinks AS lb, $page AS pa, $page AS pb, $page AS pc" .
+		   " WHERE pa.page_is_redirect=1 AND pb.page_is_redirect=1" .
+			 " AND la.pl_from=pa.page_id" .
+			 " AND la.pl_namespace=pb.page_namespace" .
+			 " AND la.pl_title=pb.page_title" .
+			 " AND lb.pl_from=pb.page_id" .
+			 " AND lb.pl_namespace=pc.page_namespace" .
+			 " AND lb.pl_title=pc.page_title";
+
+		if( $limitToTitle ) {
+			$encTitle = $dbr->addQuotes( $title );
+			$sql .= " AND pa.page_namespace=$namespace" .
+					" AND pa.page_title=$encTitle";
+		}
+
+		return $sql;
+	}
+	
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		return $this->getSQLText( $dbr );
+	}
+
+	function getOrder() {
+		return '';
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgContLang;
+	
+		$fname = 'DoubleRedirectsPage::formatResult';
+		$titleA = Title::makeTitle( $result->namespace, $result->title );
+
+		if ( $result && !isset( $result->nsb ) ) {
+			$dbr =& wfGetDB( DB_SLAVE );
+			$sql = $this->getSQLText( $dbr, $result->namespace, $result->title );
+			$res = $dbr->query( $sql, $fname );
+			if ( $res ) {
+				$result = $dbr->fetchObject( $res );
+				$dbr->freeResult( $res );
+			}
+		}
+		if ( !$result ) {
+			return '';
+		}
+
+		$titleB = Title::makeTitle( $result->nsb, $result->tb );
+		$titleC = Title::makeTitle( $result->nsc, $result->tc );
+
+		$linkA = $skin->makeKnownLinkObj( $titleA,'', 'redirect=no' );
+		$edit = $skin->makeBrokenLinkObj( $titleA, "(".wfMsg("qbedit").")" , 'redirect=no');
+		$linkB = $skin->makeKnownLinkObj( $titleB, '', 'redirect=no' );
+		$linkC = $skin->makeKnownLinkObj( $titleC );
+		$arr = $wgContLang->isRTL() ? '&larr;' : '&rarr;';
+
+		return( "{$linkA} {$edit} {$arr} {$linkB} {$arr} {$linkC}" );
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialDoubleRedirects() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$sdr = new DoubleRedirectsPage();
+
+	return $sdr->doQuery( $offset, $limit );
+
+}
+?>
-- 
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