/**
 * JSON V1 & V2
 *
 */

/**
 * JSON V1
 *  arrayToJSONString
 *  booleanToJSONString
 *  dateToJSONString
 *  numberToJSONString
 *  objectToJSONString
 */

function arrayToJSONString( inputArray ) {
        var a = ['['],  // The array holding the text fragments.
            b,          // A boolean indicating that a comma is required.
            i,          // Loop counter.
            l = inputArray.length,
            v;          // The value to be stringified.

        function p(s) {


            if (b) {
                a.push(',');
            }
            a.push(s);
            b = true;
        }


        for (i = 0; i < l; i += 1) {
            v = inputArray[i];
            switch (typeof v) {


            case 'object':
                if (v) {
//                    if (typeof v.toJSONString === 'function') {
                        p( objectToJSONString( v ) );
//                    }
                } else {
                    p("null");
                }
                break;

            case 'string':
                p( v.toJSONString() );
                break;
            case 'number':
                p( numberToJSONString( v ) );
                break;
            case 'boolean':
                p( booleanToJSONString( v ) );
                break;

            }
        }

        a.push(']');
        return a.join('');
};


function booleanToJSONString( inputBoolean ) {
        return String(inputBoolean);
};


function dateToJSONString( inputDate ) {

        function f(n) {

            return n < 10 ? '0' + n : n;
        }

        return '"' + inputDate.getFullYear() + '-' +
                f(inputDate.getMonth() + 1) + '-' +
                f(inputDate.getDate()) + 'T' +
                f(inputDate.getHours()) + ':' +
                f(inputDate.getMinutes()) + ':' +
                f(inputDate.getSeconds()) + '"';
};


function numberToJSONString( inputNumber ) {
        return isFinite(inputNumber) ? String(inputNumber) : "null";
};


function objectToJSONString( inputObject ) {
        var a = ['{'],  // The array holding the text fragments.
            b,          // A boolean indicating that a comma is required.
            k,          // The current key.
            v;          // The current value.

        function p(s) {


            if (b) {
                a.push(',');
            }
            a.push( k.toJSONString(), ':', s);
            b = true;
        }


        for (k in inputObject) {
            if (inputObject.hasOwnProperty(k)) {
                v = inputObject[k];
                switch (typeof v) {


                case 'object':
                    if (v) {
//                        if (typeof v.toJSONString === 'function') {
                            p( objectToJSONString( v ) );
//                        }
                    } else {
                        p("null");
                    }
                    break;

                case 'string':
                    p( v.toJSONString() );
                    break;
                case 'number':
                    p( numberToJSONString( v ) );
                    break;
                case 'boolean':
                    p( booleanToJSONString( v ) );
                    break;

                }
            }
        }

        a.push('}');
        return a.join('');
};


    (function (s) {

        var m = {
            '\b': '\\b',
            '\t': '\\t',
            '\n': '\\n',
            '\f': '\\f',
            '\r': '\\r',
            '"' : '\\"',
            '\\': '\\\\'
        };


        s.parseJSON = function (filter) {

            try {
                if (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.
                        test(this)) {

                    var j = eval('(' + this + ')');

                    if (typeof filter === 'function') {

                        function walk(k, v) {
                            if (v && typeof v === 'object') {
                                for (var i in v) {
                                    if (v.hasOwnProperty(i)) {
                                        v[i] = walk(i, v[i]);
                                    }
                                }
                            }
                            return filter(k, v);
                        }

                        j = walk('', j);
                    }
                    return j;
                }
            } catch (e) {

            }
            throw new SyntaxError("parseJSON");
        };


        s.toJSONString = function () {

            if (/["\\\x00-\x1f]/.test(this)) {
                return '"' + this.replace(/([\x00-\x1f\\"])/g, function(a, b) {
                    var c = m[b];
                    if (c) {
                        return c;
                    }
                    c = b.charCodeAt();
                    return '\\u00' +
                        Math.floor(c / 16).toString(16) +
                        (c % 16).toString(16);
                }) + '"';
            }
            return '"' + this + '"';
        };
    })(String.prototype);

/**
 * JSON V2
 *  stringify
 *  toJSON
 *  parse
 */

if (!this.JSON) {
    this.JSON = {};
}

(function () {

    function f(n) {
        // Format integers to have at least two digits.
        return n < 10 ? '0' + n : n;
    }

    if (typeof Date.prototype.toJSON !== 'function') {

        Date.prototype.toJSON = function (key) {

            return isFinite(this.valueOf()) ?
                   this.getUTCFullYear()   + '-' +
                 f(this.getUTCMonth() + 1) + '-' +
                 f(this.getUTCDate())      + 'T' +
                 f(this.getUTCHours())     + ':' +
                 f(this.getUTCMinutes())   + ':' +
                 f(this.getUTCSeconds())   + 'Z' : null;
        };

        String.prototype.toJSON =
        Number.prototype.toJSON =
        Boolean.prototype.toJSON = function (key) {
            return this.valueOf();
        };
    }

    var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
        escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
        gap,
        indent,
        meta = {    // table of character substitutions
            '\b': '\\b',
            '\t': '\\t',
            '\n': '\\n',
            '\f': '\\f',
            '\r': '\\r',
            '"' : '\\"',
            '\\': '\\\\'
        },
        rep;


    function quote(string) {

        escapable.lastIndex = 0;
        return escapable.test(string) ?
            '"' + string.replace(escapable, function (a) {
                var c = meta[a];
                return typeof c === 'string' ? c :
                    '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
            }) + '"' :
            '"' + string + '"';
    }


    function str(key, holder) {

        var i,          // The loop counter.
            k,          // The member key.
            v,          // The member value.
            length,
            mind = gap,
            partial,
            value = holder[key];

        if (value && typeof value === 'object' &&
                typeof value.toJSON === 'function') {
            value = value.toJSON(key);
        }

        if (typeof rep === 'function') {
            value = rep.call(holder, key, value);
        }

        switch (typeof value) {
        case 'string':
            return quote(value);

        case 'number':

            return isFinite(value) ? String(value) : 'null';

        case 'boolean':
        case 'null':

            return String(value);

        case 'object':

            if (!value) {
                return 'null';
            }


            gap += indent;
            partial = [];


            if (Object.prototype.toString.apply(value) === '[object Array]') {


                length = value.length;
                for (i = 0; i < length; i += 1) {
                    partial[i] = str(i, value) || 'null';
                }

                v = partial.length === 0 ? '[]' :
                    gap ? '[\n' + gap +
                            partial.join(',\n' + gap) + '\n' +
                                mind + ']' :
                          '[' + partial.join(',') + ']';
                gap = mind;
                return v;
            }


            if (rep && typeof rep === 'object') {
                length = rep.length;
                for (i = 0; i < length; i += 1) {
                    k = rep[i];
                    if (typeof k === 'string') {
                        v = str(k, value);
                        if (v) {
                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
                        }
                    }
                }
            } else {


                for (k in value) {
                    if (Object.hasOwnProperty.call(value, k)) {
                        v = str(k, value);
                        if (v) {
                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
                        }
                    }
                }
            }

            v = partial.length === 0 ? '{}' :
                gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
                        mind + '}' : '{' + partial.join(',') + '}';
            gap = mind;
            return v;
        }
    }


    if (typeof JSON.stringify !== 'function') {
        JSON.stringify = function (value, replacer, space) {

            var i;
            gap = '';
            indent = '';


            if (typeof space === 'number') {
                for (i = 0; i < space; i += 1) {
                    indent += ' ';
                }


            } else if (typeof space === 'string') {
                indent = space;
            }


            rep = replacer;
            if (replacer && typeof replacer !== 'function' &&
                    (typeof replacer !== 'object' ||
                     typeof replacer.length !== 'number')) {
                throw new Error('JSON.stringify');
            }


            return str('', {'': value});
        };
    }


    if (typeof JSON.parse !== 'function') {
        JSON.parse = function (text, reviver) {


            var j;

            function walk(holder, key) {

                var k, v, value = holder[key];
                if (value && typeof value === 'object') {
                    for (k in value) {
                        if (Object.hasOwnProperty.call(value, k)) {
                            v = walk(value, k);
                            if (v !== undefined) {
                                value[k] = v;
                            } else {
                                delete value[k];
                            }
                        }
                    }
                }
                return reviver.call(holder, key, value);
            }


            cx.lastIndex = 0;
            if (cx.test(text)) {
                text = text.replace(cx, function (a) {
                    return '\\u' +
                        ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
                });
            }


            if (/^[\],:{}\s]*$/.
test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {


                j = eval('(' + text + ')');


                return typeof reviver === 'function' ?
                    walk({'': j}, '') : j;
            }


            throw new SyntaxError('JSON.parse');
        };
    }
}());