Added parseUri to util, cleaned up.

lib/util.js

@@ -1,4 +1,10 @@
 
+/**
+ * engine.io-client
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
 /**
  * Inheritance.
  *
@@ -55,8 +61,6 @@ util.ua.webkit = 'undefined' != typeof navigator &&
 util.ua.gecko = 'undefined' != typeof navigator && 
   /gecko/i.test(navigator.userAgent);
 
-// end
-
 /**
  * XHR request helper.
  *
@@ -87,3 +91,29 @@ util.request = function request (xdomain) {
     } catch(e) { }
   }
 };
+
+/**
+ * Parses an URI
+ *
+ * @author Steven Levithan <stevenlevithan.com> (MIT license)
+ * @api public
+ */
+
+var re = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
+
+var parts = [
+    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host'
+  , 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
+];
+
+exports.parseUri = function (str) {
+  var m = re.exec(str || '')
+    , uri = {}
+    , i = 14;
+
+  while (i--) {
+    uri[parts[i]] = m[i] || '';
+  }
+
+  return uri;
+};