104 lines
3.4 KiB
JavaScript
104 lines
3.4 KiB
JavaScript
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var JSON = (function () {
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var m = {
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'\b': '\\b',
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'\t': '\\t',
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'\n': '\\n',
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'\f': '\\f',
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'\r': '\\r',
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'"' : '\\"',
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'\\': '\\\\'
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},
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s = {
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'boolean': function (x) {
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return String(x);
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},
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number: function (x) {
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return isFinite(x) ? String(x) : 'null';
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},
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string: function (x) {
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if (/["\\\x00-\x1f]/.test(x)) {
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x = x.replace(/([\x00-\x1f\\"])/g, function(a, b) {
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var c = m[b];
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if (c) {
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return c;
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}
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c = b.charCodeAt();
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return '\\u00' +
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Math.floor(c / 16).toString(16) +
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(c % 16).toString(16);
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});
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}
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return '"' + x + '"';
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},
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object: function (x) {
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if (x) {
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var a = [], b, f, i, l, v;
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if (x instanceof Array) {
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a[0] = '[';
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l = x.length;
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for (i = 0; i < l; i += 1) {
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v = x[i];
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f = s[typeof v];
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if (f) {
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v = f(v);
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if (typeof v == 'string') {
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if (b) {
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a[a.length] = ',';
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}
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a[a.length] = v;
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b = true;
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}
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}
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}
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a[a.length] = ']';
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} else if (x instanceof Object) {
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a[0] = '{';
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for (i in x) {
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v = x[i];
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f = s[typeof v];
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if (f) {
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v = f(v);
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if (typeof v == 'string') {
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if (b) {
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a[a.length] = ',';
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}
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a.push(s.string(i), ':', v);
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b = true;
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}
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}
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}
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a[a.length] = '}';
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} else {
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return;
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}
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return a.join('');
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}
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return 'null';
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}
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};
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return {
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copyright: '(c)2005 JSON.org',
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license: 'http://www.crockford.com/JSON/license.html',
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stringify: function (v) {
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var f = s[typeof v];
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if (f) {
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v = f(v);
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if (typeof v == 'string') {
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return v;
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}
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}
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return null;
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},
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parse: function (text) {
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try {
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return !(/[^,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]/.test(
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text.replace(/"(\\.|[^"\\])*"/g, ''))) &&
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eval('(' + text + ')');
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} catch (e) {
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return false;
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}
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}
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};
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}());
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