/*
The MIT License

Copyright (c) 2009 Blair Mitchelmore

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

/*
Source

http://plugins.jquery.com/project/query-object
*/

/*
Version

2.1.7
*/

/*
Example

var url = location.search;
var queryString = $.query.toString();
//url -> "http://www.example.com?searchText=green+day+american+idiot&pageIndex=1&pageSize=20"
//queryString -> "?searchText=green+day+american+idiot&pageIndex=1&pageSize=20"
*/

new function(settings) {
    // Various Settings
    var $separator = settings.separator || '&';
    var $spaces = settings.spaces === false ? false : true;
    var $suffix = settings.suffix === false ? '' : '[]';
    var $prefix = settings.prefix === false ? false : true;
    var $hash = $prefix ? settings.hash === true ? "#" : "?" : "";
    var $numbers = settings.numbers === false ? false : true;

    jQuery.query = new function() {
        var is = function(o, t) {
            return o != undefined && o !== null && (!!t ? o.constructor == t : true);
        };
        var parse = function(path) {
            var m, rx = /\[([^[]*)\]/g, match = /^([^[]+)(\[.*\])?$/.exec(path), base = match[1], tokens = [];
            while (m = rx.exec(match[2])) tokens.push(m[1]);
            return [base, tokens];
        };
        var set = function(target, tokens, value) {
            var o, token = tokens.shift();
            if (typeof target != 'object') target = null;
            if (token === "") {
                if (!target) target = [];
                if (is(target, Array)) {
                    target.push(tokens.length == 0 ? value : set(null, tokens.slice(0), value));
                } else if (is(target, Object)) {
                    var i = 0;
                    while (target[i++] != null);
                    target[--i] = tokens.length == 0 ? value : set(target[i], tokens.slice(0), value);
                } else {
                    target = [];
                    target.push(tokens.length == 0 ? value : set(null, tokens.slice(0), value));
                }
            } else if (token && token.match(/^\s*[0-9]+\s*$/)) {
                var index = parseInt(token, 10);
                if (!target) target = [];
                target[index] = tokens.length == 0 ? value : set(target[index], tokens.slice(0), value);
            } else if (token) {
                var index = token.replace(/^\s*|\s*$/g, "");
                if (!target) target = {};
                if (is(target, Array)) {
                    var temp = {};
                    for (var i = 0; i < target.length; ++i) {
                        temp[i] = target[i];
                    }
                    target = temp;
                }
                target[index] = tokens.length == 0 ? value : set(target[index], tokens.slice(0), value);
            } else {
                return value;
            }
            return target;
        };

        var queryObject = function(a) {
            var self = this;
            self.keys = {};

            if (a.queryObject) {
                jQuery.each(a.get(), function(key, val) {
                    self.SET(key, val);
                });
            } else {
                jQuery.each(arguments, function() {
                    var q = "" + this;
                    q = q.replace(/^[?#]/, ''); // remove any leading ? || #
                    q = q.replace(/[;&]$/, ''); // remove any trailing & || ;
                    if ($spaces) q = q.replace(/[+]/g, ' '); // replace +'s with spaces

                    jQuery.each(q.split(/[&;]/), function() {
                        var key = decodeURIComponent(this.split('=')[0] || "");
                        var val = decodeURIComponent(this.split('=')[1] || "");

                        if (!key) return;

                        if ($numbers) {
                            if (/^[+-]?[0-9]+\.[0-9]*$/.test(val)) // simple float regex
                                val = parseFloat(val);
                            else if (/^[+-]?[0-9]+$/.test(val)) // simple int regex
                                val = parseInt(val, 10);
                        }

                        val = (!val && val !== 0) ? true : val;

                        if (val !== false && val !== true && typeof val != 'number')
                            val = val;

                        self.SET(key, val);
                    });
                });
            }
            return self;
        };

        queryObject.prototype = {
            queryObject: true,
            has: function(key, type) {
                var value = this.get(key);
                return is(value, type);
            },
            GET: function(key) {
                if (!is(key)) return this.keys;
                var parsed = parse(key), base = parsed[0], tokens = parsed[1];
                var target = this.keys[base];
                while (target != null && tokens.length != 0) {
                    target = target[tokens.shift()];
                }
                return typeof target == 'number' ? target : target || "";
            },
            get: function(key) {
                var target = this.GET(key);
                if (is(target, Object))
                    return jQuery.extend(true, {}, target);
                else if (is(target, Array))
                    return target.slice(0);
                return target;
            },
            SET: function(key, val) {
                var value = !is(val) ? null : val;
                var parsed = parse(key), base = parsed[0], tokens = parsed[1];
                var target = this.keys[base];
                this.keys[base] = set(target, tokens.slice(0), value);
                return this;
            },
            set: function(key, val) {
                return this.copy().SET(key, val);
            },
            REMOVE: function(key) {
                return this.SET(key, null).COMPACT();
            },
            remove: function(key) {
                return this.copy().REMOVE(key);
            },
            EMPTY: function() {
                var self = this;
                jQuery.each(self.keys, function(key, value) {
                    delete self.keys[key];
                });
                return self;
            },
            load: function(url) {
                var hash = url.replace(/^.*?[#](.+?)(?:\?.+)?$/, "$1");
                var search = url.replace(/^.*?[?](.+?)(?:#.+)?$/, "$1");
                return new queryObject(url.length == search.length ? '' : search, url.length == hash.length ? '' : hash);
            },
            empty: function() {
                return this.copy().EMPTY();
            },
            copy: function() {
                return new queryObject(this);
            },
            COMPACT: function() {
                function build(orig) {
                    var obj = typeof orig == "object" ? is(orig, Array) ? [] : {} : orig;
                    if (typeof orig == 'object') {
                        function add(o, key, value) {
                            if (is(o, Array))
                                o.push(value);
                            else
                                o[key] = value;
                        }
                        jQuery.each(orig, function(key, value) {
                            if (!is(value)) return true;
                            add(obj, key, build(value));
                        });
                    }
                    return obj;
                }
                this.keys = build(this.keys);
                return this;
            },
            compact: function() {
                return this.copy().COMPACT();
            },
            toString: function() {
                var i = 0, queryString = [], chunks = [], self = this;
                var encode = function(str) {
                    str = str + "";
                    if ($spaces) str = str.replace(/ /g, "+");
                    return encodeURIComponent(str);
                };
                var addFields = function(arr, key, value) {
                    if (!is(value) || value === false) return;
                    var o = [encode(key)];
                    if (value !== true) {
                        o.push("=");
                        o.push(encode(value));
                    }
                    arr.push(o.join(""));
                };
                var build = function(obj, base) {
                    var newKey = function(key) {
                        return !base || base == "" ? [key].join("") : [base, "[", key, "]"].join("");
                    };
                    jQuery.each(obj, function(key, value) {
                        if (typeof value == 'object')
                            build(value, newKey(key));
                        else
                            addFields(chunks, newKey(key), value);
                    });
                };

                build(this.keys);

                if (chunks.length > 0) queryString.push($hash);
                queryString.push(chunks.join($separator));

                return queryString.join("");
            }
        };

        return new queryObject(location.search, location.hash);
    };
} (jQuery.query || {}); // Pass in jQuery.query as settings object