// JQuery URL Parser plugin - https://github.com/allmarkedup/jQuery-URL-Parser
// Written by Mark Perkins, mark@allmarkedup.com
// License: http://unlicense.org/ (i.e. do what you want with it!)

; (function ($, undefined) {

	var tag2attr = {
		a: 'href',
		img: 'src',
		form: 'action',
		base: 'href',
		script: 'src',
		iframe: 'src',
		link: 'href'
	},

key = ["source", "protocol", "authority", "userInfo", "user", "password", "host", "port", "relative", "path", "directory", "file", "query", "fragment"], // keys available to query

aliases = { "anchor": "fragment" }, // aliases for backwards compatability

parser = {
	strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/, //less intuitive, more accurate to the specs
	loose: /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/ // more intuitive, fails on relative paths and deviates from specs
},

querystring_parser = /(?:^|&|;)([^&=;]*)=?([^&;]*)/g, // supports both ampersand and semicolon-delimted query string key/value pairs

fragment_parser = /(?:^|&|;)([^&=;]*)=?([^&;]*)/g; // supports both ampersand and semicolon-delimted fragment key/value pairs

	function parseUri(url, strictMode) {
		var str = decodeURI(url),
res = parser[strictMode || false ? "strict" : "loose"].exec(str),
uri = { attr: {}, param: {}, seg: {} },
i = 14;

		while (i--) {
			uri.attr[key[i]] = res[i] || "";
		}

		// build query and fragment parameters

		uri.param['query'] = {};
		uri.param['fragment'] = {};

		uri.attr['query'].replace(querystring_parser, function ($0, $1, $2) {
			if ($1) {
				uri.param['query'][$1] = $2;
			}
		});

		uri.attr['fragment'].replace(fragment_parser, function ($0, $1, $2) {
			if ($1) {
				uri.param['fragment'][$1] = $2;
			}
		});

		// split path and fragement into segments

		uri.seg['path'] = uri.attr.path.replace(/^\/+|\/+$/g, '').split('/');

		uri.seg['fragment'] = uri.attr.fragment.replace(/^\/+|\/+$/g, '').split('/');

		// compile a 'base' domain attribute

		uri.attr['base'] = uri.attr.host ? uri.attr.protocol + "://" + uri.attr.host + (uri.attr.port ? ":" + uri.attr.port : '') : '';

		return uri;
	};

	function getAttrName(elm) {
		var tn = elm.tagName;
		if (tn !== undefined) return tag2attr[tn.toLowerCase()];
		return tn;
	}

	$.fn.url = function (strictMode) {
		var url = '';

		if (this.length) {
			url = $(this).attr(getAttrName(this[0])) || '';
		}

		return $.url(url, strictMode);
	};

	$.url = function (url, strictMode) {
		if (arguments.length === 1 && url === true) {
			strictMode = true;
			url = undefined;
		}

		strictMode = strictMode || false;
		url = url || window.location.toString();

		return {

			data: parseUri(url, strictMode),

			// get various attributes from the URI
			attr: function (attr) {
				attr = aliases[attr] || attr;
				return attr !== undefined ? this.data.attr[attr] : this.data.attr;
			},

			// return query string parameters
			param: function (param) {
				return param !== undefined ? this.data.param.query[param] : this.data.param.query;
			},

			// return fragment parameters
			fparam: function (param) {
				return param !== undefined ? this.data.param.fragment[param] : this.data.param.fragment;
			},

			// return path segments
			segment: function (seg) {
				if (seg === undefined) {
					return this.data.seg.path;
				}
				else {
					seg = seg < 0 ? this.data.seg.path.length + seg : seg - 1; // negative segments count from the end
					return this.data.seg.path[seg];
				}
			},

			// return fragment segments
			fsegment: function (seg) {
				if (seg === undefined) {
					return this.data.seg.fragment;
				}
				else {
					seg = seg < 0 ? this.data.seg.fragment.length + seg : seg - 1; // negative segments count from the end
					return this.data.seg.fragment[seg];
				}
			}

		};

	};

})(jQuery);