+++ /dev/null
-/*
- json.js
- 2006-04-28
-
- This file adds these methods to JavaScript:
-
- object.toJSONString()
-
- This method produces a JSON text from an object. The
- object must not contain any cyclical references.
-
- array.toJSONString()
-
- This method produces a JSON text from an array. The
- array must not contain any cyclical references.
-
- string.parseJSON()
-
- This method parses a JSON text to produce an object or
- array. It will return false if there is an error.
-*/
-(function () {
- var m = {
- '\b': '\\b',
- '\t': '\\t',
- '\n': '\\n',
- '\f': '\\f',
- '\r': '\\r',
- '"' : '\\"',
- '\\': '\\\\'
- },
- s = {
- array: function (x) {
- var a = ['['], b, f, i, l = x.length, v;
- for (i = 0; i < l; i += 1) {
- v = x[i];
- f = s[typeof v];
- if (f) {
- v = f(v);
- if (typeof v == 'string') {
- if (b) {
- a[a.length] = ',';
- }
- a[a.length] = v;
- b = true;
- }
- }
- }
- a[a.length] = ']';
- return a.join('');
- },
- 'boolean': function (x) {
- return String(x);
- },
- 'null': function (x) {
- return "null";
- },
- number: function (x) {
- return isFinite(x) ? String(x) : 'null';
- },
- object: function (x) {
- if (x) {
- if (x instanceof Array) {
- return s.array(x);
- }
- var a = ['{'], b, f, i, v;
- for (i in x) {
- v = x[i];
- f = s[typeof v];
- if (f) {
- v = f(v);
- if (typeof v == 'string') {
- if (b) {
- a[a.length] = ',';
- }
- a.push(s.string(i), ':', v);
- b = true;
- }
- }
- }
- a[a.length] = '}';
- return a.join('');
- }
- return 'null';
- },
- string: function (x) {
- if (/["\\\x00-\x1f]/.test(x)) {
- x = x.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 '"' + x + '"';
- }
- };
-
- Object.toJSON = function(obj) {
- return s.object(obj);
- };
-})();
-
-String.prototype.parseJSON = function () {
- try {
- return !(/[^,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]/.test(
- this.replace(/"(\\.|[^"\\])*"/g, ''))) &&
- eval('(' + this + ')');
- } catch (e) {
- return false;
- }
-};
-