Implement Composite attribute definition.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@228 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/AttrDef/Composite.php

@@ -0,0 +1,22 @@
+<?php
+
+class HTMLPurifier_AttrDef_Composite extends HTMLPurifier_AttrDef
+{
+    
+    var $defs;
+    
+    function HTMLPurifier_AttrDef_Composite(&$defs) {
+        $this->defs =& $defs;
+    }
+    
+    function validate($string, $config, &$context) {
+        foreach ($this->defs as $i => $def) {
+            $result = $this->defs[$i]->validate($string, $config, $context);
+            if ($result !== false) return $result;
+        }
+        return false;
+    }
+    
+}
+
+?>