Files
luos/gulliver/js/json/core/json.js
2010-12-02 23:34:41 +00:00

149 lines
4.3 KiB
JavaScript
Executable File

/* PACKAGE : json.js 2007-03-21
*/
if (!Object.prototype.toJSONString) {
Array.prototype.toJSONString = function () {
var a = ['['],
b,
i,
l = this.length,
v;
function p(s) {
if (b) {
a.push(',');
}
a.push(s);
b = true;
}
for (i = 0; i < l; i += 1) {
v = this[i];
switch (typeof v) {
case 'undefined':
case 'function':
case 'unknown':
break;
case 'object':
if (v) {
if (typeof v.toJSONString === 'function') {
p(v.toJSONString());
}
} else {
p("null");
}
break;
default:
p(v.toJSONString());
}
}
a.push(']');
return a.join('');
};
Boolean.prototype.toJSONString = function () {
return String(this);
};
Date.prototype.toJSONString = function () {
function f(n) {
return n < 10 ? '0' + n : n;
}
return '"' + this.getFullYear() + '-' +
f(this.getMonth() + 1) + '-' +
f(this.getDate()) + 'T' +
f(this.getHours()) + ':' +
f(this.getMinutes()) + ':' +
f(this.getSeconds()) + '"';
};
Number.prototype.toJSONString = function () {
return isFinite(this) ? String(this) : "null";
};
Object.prototype.toJSONString = function () {
var a = ['{'],
b,
k,
v;
function p(s) {
if (b) {
a.push(',');
}
a.push(k.toJSONString(), ':', s);
b = true;
}
for (k in this) {
if (this.hasOwnProperty(k)) {
v = this[k];
switch (typeof v) {
case 'undefined':
case 'function':
case 'unknown':
break;
case 'object':
if (v) {
if (typeof v.toJSONString === 'function') {
p(v.toJSONString());
}
} else {
p("null");
}
break;
default:
p(v.toJSONString());
}
}
}
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);
}