From 2d2026c9062ee47d94eb23b89d5862a8d0c9fb34 Mon Sep 17 00:00:00 2001
From: Aryeh Gregor <simetrical@users.mediawiki.org>
Date: Fri, 20 Oct 2006 03:28:05 +0000
Subject: [PATCH] Added escapeClass static function to Sanitizer and updated
 last commit to use it instead of escapeId.

---
 includes/Sanitizer.php    | 19 +++++++++++++++++++
 includes/Skin.php         |  2 +-
 includes/SkinTemplate.php |  2 +-
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/includes/Sanitizer.php b/includes/Sanitizer.php
index 185679f6cd..7d9ccc0fb7 100644
--- a/includes/Sanitizer.php
+++ b/includes/Sanitizer.php
@@ -736,6 +736,25 @@ class Sanitizer {
 		return str_replace( array_keys( $replace ), array_values( $replace ), $id );
 	}
 
+	/**
+	 * Given a value, escape it so that it can be used as a CSS class and
+	 * return it.
+	 *
+	 * TODO: For extra validity, input should be validated UTF-8.
+	 *
+	 * @link http://www.w3.org/TR/CSS21/syndata.html Valid characters/format
+	 *
+	 * @param string $class
+	 * @return string
+	 */
+	static function escapeClass( $class ) {
+		// Convert ugly stuff to underscores and kill underscores in ugly places
+		return rtrim(preg_replace(
+			array('/(^[0-9\\-])|[\\x00-\\x20!"#$%&\'()*+,.\\/:;<=>?@[\\]^`{|}~]|\\xC2\\xA0/','/_+/'),
+			'_',
+			$class ), '_');
+	}
+
 	/**
 	 * Regex replace callback for armoring links against further processing.
 	 * @param array $matches
diff --git a/includes/Skin.php b/includes/Skin.php
index ea9dd2152a..d07bbb2451 100644
--- a/includes/Skin.php
+++ b/includes/Skin.php
@@ -478,7 +478,7 @@ END;
 			$a['onload'] .= 'setupRightClickEdit()';
 		}
 		$a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
-		' page-'.Sanitizer::escapeId( $wgTitle->getPrefixedText() );
+		' '.Sanitizer::escapeId( 'page-'.$wgTitle->getPrefixedText() );
 		return $a;
 	}
 
diff --git a/includes/SkinTemplate.php b/includes/SkinTemplate.php
index 20d88ba6f2..ff3c1d11ac 100644
--- a/includes/SkinTemplate.php
+++ b/includes/SkinTemplate.php
@@ -190,7 +190,7 @@ class SkinTemplate extends Skin {
 		$tpl->set( 'title', $wgOut->getPageTitle() );
 		$tpl->set( 'pagetitle', $wgOut->getHTMLTitle() );
 		$tpl->set( 'displaytitle', $wgOut->mPageLinkTitle );
-		$tpl->set( 'pageclass', 'page-'.Sanitizer::escapeId( $wgTitle->getPrefixedText() ) );
+		$tpl->set( 'pageclass', Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() ) );
 
 		$nsname = @$wgCanonicalNamespaceNames[ $this->mTitle->getNamespace() ];
 		if ( $nsname === NULL ) $nsname = $this->mTitle->getNsText();
-- 
2.20.1