string.matchUrl.js

/*	String.prototype.matchUrl	*/
;(function() {	//	quick and ez access to regex match on url string
	function matchUrl(url) {
		var	regMatch = void 0,
			araLabels = "url scheme authority path query fragment".split(" "),
			regUrl = /^(([^\:\/\?\#]+)\:)?(\/\/([^\/\?\#]*))?([^\?\#]*)(\?([^\#]*))?(\#(.*))?/,
			retVal = {
				url: null,
				scheme: null, authority: null,
				path: null, query: null,
				fragment: null, valid: null
			};
		"string" === typeof url && "" != url && (regMatch = url.match(regUrl));
		if ("object" === typeof regMatch) for (x in regMatch) araLabels[x] && (retVal[araLabels[x]] = regMatch[x]);
		retVal.scheme && retVal.authority && (retVal.valid = !0);
		return retVal
	};
	
	//	add as window variable
	window.hasOwnProperty("matchUrl")||(window.matchUrl=matchUrl);
	
	//	add as method of a String ( exp: "string".matchUrl(); )
	var name = 'matchUrl';
	function method() { return matchUrl(this.valueOf()); }
	Object['defineProperty'] && !String.prototype.hasOwnProperty(name)
		? Object.defineProperty(String.prototype, name, { value: method }) : String.prototype[name] = method;
	
	//	add as a jQuery extension
	if (window.hasOwnProperty('jQuery')) {
		jQuery.matchUrl || (jQuery.extend({
			matchUrl: function() {
				var args = Array.prototype.slice.call(arguments, 0);
				for (var x in args) if (args[x] instanceof jQuery && args[x][0] && args[x][0] instanceof Element) args[x] = args[x].text();
				return matchUrl.apply(this, args);
			}
		}),
		jQuery.fn.extend({
			matchUrl: function() {
				var args = Array.prototype.slice.call(arguments, 0);
				return jQuery.matchUrl.apply(this, args.concat([jQuery(this)]))
			}
		}))
	}
})();