Array.prototype.______array = '______array'; var JSON = { org: 'http://www.JSON.org', copyright: '(c)2005 JSON.org', license: 'http://www.crockford.com/JSON/license.html', stringify: function(arg) { var c, i, l, s = '', v; switch (typeof arg) { case 'object': if (arg) { if (arg.______array == '______array') { for (i = 0; i < arg.length; ++i) { v = this.stringify(arg[i]); if (s) { s += ',' } s += v } return '[' + s + ']' } else if (typeof arg.toString != 'undefined') { for (i in arg) { v = arg[i]; if (typeof v != 'undefined' && typeof v != 'function') { v = this.stringify(v); if (s) { s += ',' } s += this.stringify(i) + ':' + v } } return '{' + s + '}' } } return 'null'; case 'number': return isFinite(arg) ? String(arg) : 'null'; case 'string': l = arg.length; s = '"'; for (i = 0; i < l; i += 1) { c = arg.charAt(i); if (c >= ' ') { if (c == '\\' || c == '"') { s += '\\' } s += c } else { switch (c) { case '\b': s += '\\b'; break; case '\f': s += '\\f'; break; case '\n': s += '\\n'; break; case '\r': s += '\\r'; break; case '\t': s += '\\t'; break; default: c = c.charCodeAt(); s += '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16) } } } return s + '"'; case 'boolean': return String(arg); default: return 'null' } }, parse: function(text) { var at = 0; var ch = ' '; function error(m) { throw { name: 'JSONError', message: m, at: at - 1, text: text} } function next() { ch = text.charAt(at); at += 1; return ch } function white() { while (ch != '' && ch <= ' ') { next() } } function str() { var i, s = '', t, u; if (ch == '"') { outer: while (next()) { if (ch == '"') { next(); return s } else if (ch == '\\') { switch (next()) { case 'b': s += '\b'; break; case 'f': s += '\f'; break; case 'n': s += '\n'; break; case 'r': s += '\r'; break; case 't': s += '\t'; break; case 'u': u = 0; for (i = 0; i < 4; i += 1) { t = parseInt(next(), 16); if (!isFinite(t)) { break outer } u = u * 16 + t } s += String.fromCharCode(u); break; default: s += ch } } else { s += ch } } } error("Bad string") } function arr() { var a = []; if (ch == '[') { next(); white(); if (ch == ']') { next(); return a } while (ch) { a.push(val()); white(); if (ch == ']') { next(); return a } else if (ch != ',') { break } next(); white() } } error("Bad array") } function obj() { var k, o = {}; if (ch == '{') { next(); white(); if (ch == '}') { next(); return o } while (ch) { k = str(); white(); if (ch != ':') { break } next(); o[k] = val(); white(); if (ch == '}') { next(); return o } else if (ch != ',') { break } next(); white() } } error("Bad object") } function num() { var n = '', v; if (ch == '-') { n = '-'; next() } while (ch >= '0' && ch <= '9') { n += ch; next() } if (ch == '.') { n += '.'; while (next() && ch >= '0' && ch <= '9') { n += ch } } if (ch == 'e' || ch == 'E') { n += 'e'; next(); if (ch == '-' || ch == '+') { n += ch; next() } while (ch >= '0' && ch <= '9') { n += ch; next() } } v = +n; if (!isFinite(v)) { error("Bad number") } else { return v } } function word() { switch (ch) { case 't': if (next() == 'r' && next() == 'u' && next() == 'e') { next(); return true } break; case 'f': if (next() == 'a' && next() == 'l' && next() == 's' && next() == 'e') { next(); return false } break; case 'n': if (next() == 'u' && next() == 'l' && next() == 'l') { next(); return null } break } error("Syntax error") } function val() { white(); switch (ch) { case '{': return obj(); case '[': return arr(); case '"': return str(); case '-': return num(); default: return ch >= '0' && ch <= '9' ? num() : word() } } return val() } };