urllib.js

/**
 * © All rights reserved x9a.ru, 2013
 */
var queryString = new (function() {
    function parseParam(name, value, params) {
        if (name == '') {
            return false;
        }

        var pos = name.indexOf('['), parts = [];

        if (pos == 0) {
            return false;
        }

        parts[0] = pos != -1 ? name.substr(0, pos) : name;
        parts = pos != -1 ? parts.concat( name.substr(++pos).split('][') ) : parts;

        if ( parts.length > 1 ) {
            parts.push( parts.pop().split(']')[0] );
        }

        var part, cur = params, i = 0, len = parts.length;

        while (1) {
            part = parts[i];

            if ( i && /^(|0|[1-9]\d*)$/.test(part) ) {
                if (cur[''] === undefined) {
                    part = cur[''] = part * 1;
                }
                else if (part == '') {
                    part = ++cur[''];
                }
                else if (part > cur['']) {
                    cur[''] = part;
                }
            }

            if (++i == len) {
                break;
            }

            if (cur[part] === undefined) {
                cur[part] = {};
            }

            cur = cur[part];
        }

        cur[part] = decodeURIComponent(value);
    }

    function clean(obj) {
        delete obj[''];

        for (var i in obj) {
            if (typeof obj[i] == 'object') {
                clean(obj[i]);
            }
        }
    }

    this.parse = function(str, sep, eq) {
        if (typeof str != 'string') {
            return str;
        }

        eq = eq || '=';
        var parts = str.split(sep || '&'), i = 0, len = parts.length, params = {};

        while (i < len) {
            var part = parts[i++].split(eq);
            parseParam(part[0], part[1], params);
        }

        clean(params);
        return params;
    }

    this.parseQuery = function() {
        return this.parse( location.search.substr(1) );
    }

    function completeParams(params, obj, parts) {
        for (var i in obj) {
            if (typeof obj[i] == 'object') {
                parts.push(i);
                completeParams(params, obj[i], parts);
                parts.pop();
                continue;
            }

            var temp = parts.concat(i);
            params.push([temp[0] + ( temp.length > 1 ? '[' + temp.slice(1).join('][') + ']' : '' ), obj[i]]);
        }
    }

    this.stringify = function(obj, sep, eq) {
        sep = sep || '&';
        eq = eq || '=';
        var params = [];
        completeParams(params, obj, []);
        var i = 0, len = params.length, out = '';

        while (1) {
            out += params[i][0] + eq + encodeURIComponent(params[i][1]);

            if (++i == len) {
                break;
            }

            out += sep;
        }

        return out;
    }
})();

var cookies = queryString.parse(document.cookie, /;\s*/);

function setCookie(name, value, expires, path, domain, secure, httponly) {
    document.cookie = name + '=' + encodeURIComponent(value) + (expires === undefined ? '' : '; Expires=' + new Date(expires).toUTCString()) + (path ? '; Path=' + path : '')
        + (domain ? '; Domain=' + domain : '') + (secure ? '; Secure' : '') + (httponly ? '; HttpOnly' : '');
}
// setCookie('test', 'Test', new Date().getTime() + 24 * 3600000);

function deleteCookie(name, path, domain) {
    setCookie(name, '', 0, path, domain);
}


var url = {
    parse: function(str) {
        var matches = /^(?:(\S+):\/\/)?(?:([^:\s]*)(?::(\S*))?@)?(?:([^:/\s]*)(?::(\d*))?)([^?\s]*)?(?:\?([^#\s]*))?(?:#(\S*))?$/.exec(str);
        // console.log(matches);

        if (matches !== null) {
            var scheme = ['protocol', 'user', 'password', 'host', 'port', 'path', 'query', 'hash'], i = scheme.length, obj = {};

            while (i) {
                obj[ scheme[i - 1] ] = matches[i--];
            }

            obj.query = queryString.parse(obj.query);
            return obj;
        }

        return false;
    },

    stringify: function(obj) {
        return (obj.protocol ? obj.protocol + '://' : '') + (obj.user ? obj.user + (obj.password ? ':' + obj.password : '') + '@' : '') + (obj.host ? obj.host : '')
            + (obj.port ? ':' + obj.port : '')  + (obj.path ? obj.path : '') + (obj.query ? '?' + queryString.stringify(obj.query) : '') + (obj.hash ? '#' + obj.hash : '')
    }
}