Implement URIScheme and subclasses except for mailto. Remove fragment from components, as it is scheme independent.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@218 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/URIScheme/news.php

@@ -0,0 +1,19 @@
+<?php
+
+require_once 'HTMLPurifier/URIScheme.php';
+
+class HTMLPurifier_URIScheme_news extends HTMLPurifier_URIScheme {
+    
+    function validateComponents(
+        $userinfo, $host, $port, $path, $query, $config
+    ) {
+        list($userinfo, $host, $port, $path, $query) = 
+            parent::validateComponents(
+                $userinfo, $host, $port, $path, $query, $config );
+        // typecode check needed on path
+        return array(null, null, null, $path, null);
+    }
+    
+}
+
+?>