/*!
- * Ext JS Library 3.1.0
- * Copyright(c) 2006-2009 Ext JS, LLC
+ * Ext JS Library 3.1.1
+ * Copyright(c) 2006-2010 Ext JS, LLC
* licensing@extjs.com
* http://www.extjs.com/license
*/
createAccessor : function(){
var re = /[\[\.]/;
return function(expr) {
- try {
- return(re.test(expr)) ?
- new Function('obj', 'return obj.' + expr) :
- function(obj){
- return obj[expr];
- };
- } catch(e){}
- return Ext.emptyFn;
+ if(Ext.isEmpty(expr)){
+ return Ext.emptyFn;
+ }
+ if(Ext.isFunction(expr)){
+ return expr;
+ }
+ var i = String(expr).search(re);
+ if(i >= 0){
+ return new Function('obj', 'return obj' + (i > 0 ? '.' : '') + expr);
+ }
+ return function(obj){
+ return obj[expr];
+ };
+
};
}(),