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@@ -0,0 +1,859 @@
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+/*! JSON v3.2.5 | http://bestiejs.github.io/json3 | Copyright 2012-2013, Kit Cambridge | http://kit.mit-license.org */
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+;(function (window) {
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+ // Convenience aliases.
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+ var getClass = {}.toString, isProperty, forEach, undef;
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+
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+ // Detect the `define` function exposed by asynchronous module loaders. The
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+ // strict `define` check is necessary for compatibility with `r.js`.
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+ var isLoader = typeof define === "function" && define.amd;
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+
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+ // Detect native implementations.
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+ var nativeJSON = typeof JSON == "object" && JSON;
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+
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+ // Set up the JSON 3 namespace, preferring the CommonJS `exports` object if
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+ // available.
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+ var JSON3 = typeof exports == "object" && exports && !exports.nodeType && exports;
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+
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+ if (JSON3 && nativeJSON) {
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+ // Explicitly delegate to the native `stringify` and `parse`
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+ // implementations in CommonJS environments.
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+ JSON3.stringify = nativeJSON.stringify;
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+ JSON3.parse = nativeJSON.parse;
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+ } else {
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+ // Export for web browsers, JavaScript engines, and asynchronous module
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+ // loaders, using the global `JSON` object if available.
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+ JSON3 = window.JSON = nativeJSON || {};
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+ }
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+
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+ // Test the `Date#getUTC*` methods. Based on work by @Yaffle.
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+ var isExtended = new Date(-3509827334573292);
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+ try {
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+ // The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
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+ // results for certain dates in Opera >= 10.53.
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+ isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
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+ // Safari < 2.0.2 stores the internal millisecond time value correctly,
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+ // but clips the values returned by the date methods to the range of
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+ // signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
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+ isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
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+ } catch (exception) {}
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+
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+ // Internal: Determines whether the native `JSON.stringify` and `parse`
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+ // implementations are spec-compliant. Based on work by Ken Snyder.
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+ function has(name) {
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+ if (has[name] != null) {
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+ // Return cached feature test result.
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+ return has[name];
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+ }
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+
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+ var isSupported;
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+ if (name == "bug-string-char-index") {
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+ // IE <= 7 doesn't support accessing string characters using square
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+ // bracket notation. IE 8 only supports this for primitives.
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+ isSupported = "a"[0] != "a";
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+ } else if (name == "json") {
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+ // Indicates whether both `JSON.stringify` and `JSON.parse` are
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+ // supported.
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+ isSupported = has("json-stringify") && has("json-parse");
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+ } else {
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+ var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
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+ // Test `JSON.stringify`.
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+ if (name == "json-stringify") {
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+ var stringify = JSON3.stringify, stringifySupported = typeof stringify == "function" && isExtended;
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+ if (stringifySupported) {
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+ // A test function object with a custom `toJSON` method.
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+ (value = function () {
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+ return 1;
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+ }).toJSON = value;
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+ try {
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+ stringifySupported =
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+ // Firefox 3.1b1 and b2 serialize string, number, and boolean
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+ // primitives as object literals.
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+ stringify(0) === "0" &&
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+ // FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
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+ // literals.
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+ stringify(new Number()) === "0" &&
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+ stringify(new String()) == '""' &&
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+ // FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
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+ // does not define a canonical JSON representation (this applies to
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+ // objects with `toJSON` properties as well, *unless* they are nested
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+ // within an object or array).
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+ stringify(getClass) === undef &&
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+ // IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
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+ // FF 3.1b3 pass this test.
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+ stringify(undef) === undef &&
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+ // Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
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+ // respectively, if the value is omitted entirely.
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+ stringify() === undef &&
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+ // FF 3.1b1, 2 throw an error if the given value is not a number,
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+ // string, array, object, Boolean, or `null` literal. This applies to
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+ // objects with custom `toJSON` methods as well, unless they are nested
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+ // inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
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+ // methods entirely.
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+ stringify(value) === "1" &&
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+ stringify([value]) == "[1]" &&
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+ // Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
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+ // `"[null]"`.
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+ stringify([undef]) == "[null]" &&
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+ // YUI 3.0.0b1 fails to serialize `null` literals.
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+ stringify(null) == "null" &&
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+ // FF 3.1b1, 2 halts serialization if an array contains a function:
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+ // `[1, true, getClass, 1]` serializes as "[1,true,],". These versions
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+ // of Firefox also allow trailing commas in JSON objects and arrays.
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+ // FF 3.1b3 elides non-JSON values from objects and arrays, unless they
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+ // define custom `toJSON` methods.
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+ stringify([undef, getClass, null]) == "[null,null,null]" &&
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+ // Simple serialization test. FF 3.1b1 uses Unicode escape sequences
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+ // where character escape codes are expected (e.g., `\b` => `\u0008`).
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+ stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
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+ // FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
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+ stringify(null, value) === "1" &&
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+ stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
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+ // JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
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+ // serialize extended years.
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+ stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
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+ // The milliseconds are optional in ES 5, but required in 5.1.
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+ stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
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+ // Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
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+ // four-digit years instead of six-digit years. Credits: @Yaffle.
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+ stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
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+ // Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
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+ // values less than 1000. Credits: @Yaffle.
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+ stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
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+ } catch (exception) {
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+ stringifySupported = false;
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+ }
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+ }
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+ isSupported = stringifySupported;
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+ }
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+ // Test `JSON.parse`.
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+ if (name == "json-parse") {
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+ var parse = JSON3.parse;
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+ if (typeof parse == "function") {
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+ try {
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+ // FF 3.1b1, b2 will throw an exception if a bare literal is provided.
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+ // Conforming implementations should also coerce the initial argument to
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+ // a string prior to parsing.
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+ if (parse("0") === 0 && !parse(false)) {
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+ // Simple parsing test.
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+ value = parse(serialized);
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+ var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
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+ if (parseSupported) {
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+ try {
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+ // Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
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+ parseSupported = !parse('"\t"');
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+ } catch (exception) {}
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+ if (parseSupported) {
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+ try {
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+ // FF 4.0 and 4.0.1 allow leading `+` signs, and leading and
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+ // trailing decimal points. FF 4.0, 4.0.1, and IE 9-10 also
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+ // allow certain octal literals.
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+ parseSupported = parse("01") !== 1;
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+ } catch (exception) {}
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+ }
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+ }
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+ }
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+ } catch (exception) {
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+ parseSupported = false;
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+ }
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+ }
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+ isSupported = parseSupported;
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+ }
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+ }
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+ return has[name] = !!isSupported;
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+ }
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+ has["bug-string-char-index"] = null;
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+ has["json"] = null;
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+ has["json-stringify"] = null;
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+ has["json-parse"] = null;
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+
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+ if (!has("json")) {
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+ // Common `[[Class]]` name aliases.
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+ var functionClass = "[object Function]";
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+ var dateClass = "[object Date]";
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+ var numberClass = "[object Number]";
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+ var stringClass = "[object String]";
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+ var arrayClass = "[object Array]";
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+ var booleanClass = "[object Boolean]";
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+
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+ // Detect incomplete support for accessing string characters by index.
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+ var charIndexBuggy = has("bug-string-char-index");
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+
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+ // Define additional utility methods if the `Date` methods are buggy.
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+ if (!isExtended) {
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+ var floor = Math.floor;
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+ // A mapping between the months of the year and the number of days between
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+ // January 1st and the first of the respective month.
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+ var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
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+ // Internal: Calculates the number of days between the Unix epoch and the
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+ // first day of the given month.
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+ var getDay = function (year, month) {
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+ return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
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+ };
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+ }
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+
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+ // Internal: Determines if a property is a direct property of the given
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+ // object. Delegates to the native `Object#hasOwnProperty` method.
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+ if (!(isProperty = {}.hasOwnProperty)) {
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+ isProperty = function (property) {
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+ var members = {}, constructor;
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+ if ((members.__proto__ = null, members.__proto__ = {
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+ // The *proto* property cannot be set multiple times in recent
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+ // versions of Firefox and SeaMonkey.
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+ "toString": 1
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+ }, members).toString != getClass) {
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+ // Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
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+ // supports the mutable *proto* property.
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+ isProperty = function (property) {
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+ // Capture and break the object's prototype chain (see section 8.6.2
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+ // of the ES 5.1 spec). The parenthesized expression prevents an
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+ // unsafe transformation by the Closure Compiler.
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+ var original = this.__proto__, result = property in (this.__proto__ = null, this);
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+ // Restore the original prototype chain.
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+ this.__proto__ = original;
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+ return result;
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+ };
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+ } else {
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+ // Capture a reference to the top-level `Object` constructor.
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+ constructor = members.constructor;
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+ // Use the `constructor` property to simulate `Object#hasOwnProperty` in
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+ // other environments.
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+ isProperty = function (property) {
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+ var parent = (this.constructor || constructor).prototype;
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+ return property in this && !(property in parent && this[property] === parent[property]);
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+ };
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+ }
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+ members = null;
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+ return isProperty.call(this, property);
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+ };
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+ }
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+
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+ // Internal: A set of primitive types used by `isHostType`.
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+ var PrimitiveTypes = {
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+ 'boolean': 1,
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+ 'number': 1,
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+ 'string': 1,
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+ 'undefined': 1
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+ };
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+
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+ // Internal: Determines if the given object `property` value is a
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+ // non-primitive.
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+ var isHostType = function (object, property) {
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+ var type = typeof object[property];
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+ return type == 'object' ? !!object[property] : !PrimitiveTypes[type];
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+ };
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+
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+ // Internal: Normalizes the `for...in` iteration algorithm across
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+ // environments. Each enumerated key is yielded to a `callback` function.
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+ forEach = function (object, callback) {
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+ var size = 0, Properties, members, property;
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+
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+ // Tests for bugs in the current environment's `for...in` algorithm. The
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+ // `valueOf` property inherits the non-enumerable flag from
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+ // `Object.prototype` in older versions of IE, Netscape, and Mozilla.
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+ (Properties = function () {
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+ this.valueOf = 0;
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+ }).prototype.valueOf = 0;
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+
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+ // Iterate over a new instance of the `Properties` class.
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+ members = new Properties();
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+ for (property in members) {
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+ // Ignore all properties inherited from `Object.prototype`.
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+ if (isProperty.call(members, property)) {
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+ size++;
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+ }
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+ }
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+ Properties = members = null;
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+
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+ // Normalize the iteration algorithm.
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+ if (!size) {
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+ // A list of non-enumerable properties inherited from `Object.prototype`.
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+ members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
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+ // IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
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+ // properties.
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+ forEach = function (object, callback) {
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+ var isFunction = getClass.call(object) == functionClass, property, length;
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+ var hasProperty = !isFunction && typeof object.constructor != 'function' && isHostType(object, 'hasOwnProperty') ? object.hasOwnProperty : isProperty;
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+ for (property in object) {
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+ // Gecko <= 1.0 enumerates the `prototype` property of functions under
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+ // certain conditions; IE does not.
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+ if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
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+ callback(property);
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+ }
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+ }
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+ // Manually invoke the callback for each non-enumerable property.
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+ for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
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+ };
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+ } else if (size == 2) {
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+ // Safari <= 2.0.4 enumerates shadowed properties twice.
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+ forEach = function (object, callback) {
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+ // Create a set of iterated properties.
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+ var members = {}, isFunction = getClass.call(object) == functionClass, property;
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+ for (property in object) {
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+ // Store each property name to prevent double enumeration. The
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+ // `prototype` property of functions is not enumerated due to cross-
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+ // environment inconsistencies.
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+ if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
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+ callback(property);
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+ }
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+ }
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+ };
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+ } else {
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+ // No bugs detected; use the standard `for...in` algorithm.
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+ forEach = function (object, callback) {
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+ var isFunction = getClass.call(object) == functionClass, property, isConstructor;
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+ for (property in object) {
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+ if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
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+ callback(property);
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+ }
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+ }
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+ // Manually invoke the callback for the `constructor` property due to
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+ // cross-environment inconsistencies.
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+ if (isConstructor || isProperty.call(object, (property = "constructor"))) {
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+ callback(property);
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+ }
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+ };
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+ }
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+ return forEach(object, callback);
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+ };
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+
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+ // Public: Serializes a JavaScript `value` as a JSON string. The optional
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+ // `filter` argument may specify either a function that alters how object and
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+ // array members are serialized, or an array of strings and numbers that
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+ // indicates which properties should be serialized. The optional `width`
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+ // argument may be either a string or number that specifies the indentation
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+ // level of the output.
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+ if (!has("json-stringify")) {
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+ // Internal: A map of control characters and their escaped equivalents.
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+ var Escapes = {
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+ 92: "\\\\",
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+ 34: '\\"',
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+ 8: "\\b",
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+ 12: "\\f",
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+ 10: "\\n",
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+ 13: "\\r",
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+ 9: "\\t"
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+ };
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+
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+ // Internal: Converts `value` into a zero-padded string such that its
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+ // length is at least equal to `width`. The `width` must be <= 6.
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+ var leadingZeroes = "000000";
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+ var toPaddedString = function (width, value) {
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+ // The `|| 0` expression is necessary to work around a bug in
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+ // Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
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+ return (leadingZeroes + (value || 0)).slice(-width);
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+ };
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+
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+ // Internal: Double-quotes a string `value`, replacing all ASCII control
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+ // characters (characters with code unit values between 0 and 31) with
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+ // their escaped equivalents. This is an implementation of the
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+ // `Quote(value)` operation defined in ES 5.1 section 15.12.3.
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+ var unicodePrefix = "\\u00";
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+ var quote = function (value) {
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+ var result = '"', index = 0, length = value.length, isLarge = length > 10 && charIndexBuggy, symbols;
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+ if (isLarge) {
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+ symbols = value.split("");
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+ }
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+ for (; index < length; index++) {
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+ var charCode = value.charCodeAt(index);
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+ // If the character is a control character, append its Unicode or
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+ // shorthand escape sequence; otherwise, append the character as-is.
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|
|
+ switch (charCode) {
|
|
|
+ case 8: case 9: case 10: case 12: case 13: case 34: case 92:
|
|
|
+ result += Escapes[charCode];
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ if (charCode < 32) {
|
|
|
+ result += unicodePrefix + toPaddedString(2, charCode.toString(16));
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ result += isLarge ? symbols[index] : charIndexBuggy ? value.charAt(index) : value[index];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return result + '"';
|
|
|
+ };
|
|
|
+
|
|
|
+ // Internal: Recursively serializes an object. Implements the
|
|
|
+ // `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
|
|
|
+ var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
|
|
|
+ var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, hasMembers, result;
|
|
|
+ try {
|
|
|
+ // Necessary for host object support.
|
|
|
+ value = object[property];
|
|
|
+ } catch (exception) {}
|
|
|
+ if (typeof value == "object" && value) {
|
|
|
+ className = getClass.call(value);
|
|
|
+ if (className == dateClass && !isProperty.call(value, "toJSON")) {
|
|
|
+ if (value > -1 / 0 && value < 1 / 0) {
|
|
|
+ // Dates are serialized according to the `Date#toJSON` method
|
|
|
+ // specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
|
|
|
+ // for the ISO 8601 date time string format.
|
|
|
+ if (getDay) {
|
|
|
+ // Manually compute the year, month, date, hours, minutes,
|
|
|
+ // seconds, and milliseconds if the `getUTC*` methods are
|
|
|
+ // buggy. Adapted from @Yaffle's `date-shim` project.
|
|
|
+ date = floor(value / 864e5);
|
|
|
+ for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
|
|
|
+ for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
|
|
|
+ date = 1 + date - getDay(year, month);
|
|
|
+ // The `time` value specifies the time within the day (see ES
|
|
|
+ // 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
|
|
|
+ // to compute `A modulo B`, as the `%` operator does not
|
|
|
+ // correspond to the `modulo` operation for negative numbers.
|
|
|
+ time = (value % 864e5 + 864e5) % 864e5;
|
|
|
+ // The hours, minutes, seconds, and milliseconds are obtained by
|
|
|
+ // decomposing the time within the day. See section 15.9.1.10.
|
|
|
+ hours = floor(time / 36e5) % 24;
|
|
|
+ minutes = floor(time / 6e4) % 60;
|
|
|
+ seconds = floor(time / 1e3) % 60;
|
|
|
+ milliseconds = time % 1e3;
|
|
|
+ } else {
|
|
|
+ year = value.getUTCFullYear();
|
|
|
+ month = value.getUTCMonth();
|
|
|
+ date = value.getUTCDate();
|
|
|
+ hours = value.getUTCHours();
|
|
|
+ minutes = value.getUTCMinutes();
|
|
|
+ seconds = value.getUTCSeconds();
|
|
|
+ milliseconds = value.getUTCMilliseconds();
|
|
|
+ }
|
|
|
+ // Serialize extended years correctly.
|
|
|
+ value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
|
|
|
+ "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
|
|
|
+ // Months, dates, hours, minutes, and seconds should have two
|
|
|
+ // digits; milliseconds should have three.
|
|
|
+ "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
|
|
|
+ // Milliseconds are optional in ES 5.0, but required in 5.1.
|
|
|
+ "." + toPaddedString(3, milliseconds) + "Z";
|
|
|
+ } else {
|
|
|
+ value = null;
|
|
|
+ }
|
|
|
+ } else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
|
|
|
+ // Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
|
|
|
+ // `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
|
|
|
+ // ignores all `toJSON` methods on these objects unless they are
|
|
|
+ // defined directly on an instance.
|
|
|
+ value = value.toJSON(property);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (callback) {
|
|
|
+ // If a replacement function was provided, call it to obtain the value
|
|
|
+ // for serialization.
|
|
|
+ value = callback.call(object, property, value);
|
|
|
+ }
|
|
|
+ if (value === null) {
|
|
|
+ return "null";
|
|
|
+ }
|
|
|
+ className = getClass.call(value);
|
|
|
+ if (className == booleanClass) {
|
|
|
+ // Booleans are represented literally.
|
|
|
+ return "" + value;
|
|
|
+ } else if (className == numberClass) {
|
|
|
+ // JSON numbers must be finite. `Infinity` and `NaN` are serialized as
|
|
|
+ // `"null"`.
|
|
|
+ return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
|
|
|
+ } else if (className == stringClass) {
|
|
|
+ // Strings are double-quoted and escaped.
|
|
|
+ return quote("" + value);
|
|
|
+ }
|
|
|
+ // Recursively serialize objects and arrays.
|
|
|
+ if (typeof value == "object") {
|
|
|
+ // Check for cyclic structures. This is a linear search; performance
|
|
|
+ // is inversely proportional to the number of unique nested objects.
|
|
|
+ for (length = stack.length; length--;) {
|
|
|
+ if (stack[length] === value) {
|
|
|
+ // Cyclic structures cannot be serialized by `JSON.stringify`.
|
|
|
+ throw TypeError();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Add the object to the stack of traversed objects.
|
|
|
+ stack.push(value);
|
|
|
+ results = [];
|
|
|
+ // Save the current indentation level and indent one additional level.
|
|
|
+ prefix = indentation;
|
|
|
+ indentation += whitespace;
|
|
|
+ if (className == arrayClass) {
|
|
|
+ // Recursively serialize array elements.
|
|
|
+ for (index = 0, length = value.length; index < length; hasMembers || (hasMembers = true), index++) {
|
|
|
+ element = serialize(index, value, callback, properties, whitespace, indentation, stack);
|
|
|
+ results.push(element === undef ? "null" : element);
|
|
|
+ }
|
|
|
+ result = hasMembers ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
|
|
|
+ } else {
|
|
|
+ // Recursively serialize object members. Members are selected from
|
|
|
+ // either a user-specified list of property names, or the object
|
|
|
+ // itself.
|
|
|
+ forEach(properties || value, function (property) {
|
|
|
+ var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
|
|
|
+ if (element !== undef) {
|
|
|
+ // According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
|
|
|
+ // is not the empty string, let `member` {quote(property) + ":"}
|
|
|
+ // be the concatenation of `member` and the `space` character."
|
|
|
+ // The "`space` character" refers to the literal space
|
|
|
+ // character, not the `space` {width} argument provided to
|
|
|
+ // `JSON.stringify`.
|
|
|
+ results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
|
|
|
+ }
|
|
|
+ hasMembers || (hasMembers = true);
|
|
|
+ });
|
|
|
+ result = hasMembers ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
|
|
|
+ }
|
|
|
+ // Remove the object from the traversed object stack.
|
|
|
+ stack.pop();
|
|
|
+ return result;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ // Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
|
|
|
+ JSON3.stringify = function (source, filter, width) {
|
|
|
+ var whitespace, callback, properties, className;
|
|
|
+ if (typeof filter == "function" || typeof filter == "object" && filter) {
|
|
|
+ if ((className = getClass.call(filter)) == functionClass) {
|
|
|
+ callback = filter;
|
|
|
+ } else if (className == arrayClass) {
|
|
|
+ // Convert the property names array into a makeshift set.
|
|
|
+ properties = {};
|
|
|
+ for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((getClass.call(value) == stringClass || getClass.call(value) == numberClass) && (properties[value] = 1)));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (width) {
|
|
|
+ if ((className = getClass.call(width)) == numberClass) {
|
|
|
+ // Convert the `width` to an integer and create a string containing
|
|
|
+ // `width` number of space characters.
|
|
|
+ if ((width -= width % 1) > 0) {
|
|
|
+ for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
|
|
|
+ }
|
|
|
+ } else if (className == stringClass) {
|
|
|
+ whitespace = width.length <= 10 ? width : width.slice(0, 10);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Opera <= 7.54u2 discards the values associated with empty string keys
|
|
|
+ // (`""`) only if they are used directly within an object member list
|
|
|
+ // (e.g., `!("" in { "": 1})`).
|
|
|
+ return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ // Public: Parses a JSON source string.
|
|
|
+ if (!has("json-parse")) {
|
|
|
+ var fromCharCode = String.fromCharCode;
|
|
|
+
|
|
|
+ // Internal: A map of escaped control characters and their unescaped
|
|
|
+ // equivalents.
|
|
|
+ var Unescapes = {
|
|
|
+ 92: "\\",
|
|
|
+ 34: '"',
|
|
|
+ 47: "/",
|
|
|
+ 98: "\b",
|
|
|
+ 116: "\t",
|
|
|
+ 110: "\n",
|
|
|
+ 102: "\f",
|
|
|
+ 114: "\r"
|
|
|
+ };
|
|
|
+
|
|
|
+ // Internal: Stores the parser state.
|
|
|
+ var Index, Source;
|
|
|
+
|
|
|
+ // Internal: Resets the parser state and throws a `SyntaxError`.
|
|
|
+ var abort = function() {
|
|
|
+ Index = Source = null;
|
|
|
+ throw SyntaxError();
|
|
|
+ };
|
|
|
+
|
|
|
+ // Internal: Returns the next token, or `"$"` if the parser has reached
|
|
|
+ // the end of the source string. A token may be a string, number, `null`
|
|
|
+ // literal, or Boolean literal.
|
|
|
+ var lex = function () {
|
|
|
+ var source = Source, length = source.length, value, begin, position, isSigned, charCode;
|
|
|
+ while (Index < length) {
|
|
|
+ charCode = source.charCodeAt(Index);
|
|
|
+ switch (charCode) {
|
|
|
+ case 9: case 10: case 13: case 32:
|
|
|
+ // Skip whitespace tokens, including tabs, carriage returns, line
|
|
|
+ // feeds, and space characters.
|
|
|
+ Index++;
|
|
|
+ break;
|
|
|
+ case 123: case 125: case 91: case 93: case 58: case 44:
|
|
|
+ // Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
|
|
|
+ // the current position.
|
|
|
+ value = charIndexBuggy ? source.charAt(Index) : source[Index];
|
|
|
+ Index++;
|
|
|
+ return value;
|
|
|
+ case 34:
|
|
|
+ // `"` delimits a JSON string; advance to the next character and
|
|
|
+ // begin parsing the string. String tokens are prefixed with the
|
|
|
+ // sentinel `@` character to distinguish them from punctuators and
|
|
|
+ // end-of-string tokens.
|
|
|
+ for (value = "@", Index++; Index < length;) {
|
|
|
+ charCode = source.charCodeAt(Index);
|
|
|
+ if (charCode < 32) {
|
|
|
+ // Unescaped ASCII control characters (those with a code unit
|
|
|
+ // less than the space character) are not permitted.
|
|
|
+ abort();
|
|
|
+ } else if (charCode == 92) {
|
|
|
+ // A reverse solidus (`\`) marks the beginning of an escaped
|
|
|
+ // control character (including `"`, `\`, and `/`) or Unicode
|
|
|
+ // escape sequence.
|
|
|
+ charCode = source.charCodeAt(++Index);
|
|
|
+ switch (charCode) {
|
|
|
+ case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
|
|
|
+ // Revive escaped control characters.
|
|
|
+ value += Unescapes[charCode];
|
|
|
+ Index++;
|
|
|
+ break;
|
|
|
+ case 117:
|
|
|
+ // `\u` marks the beginning of a Unicode escape sequence.
|
|
|
+ // Advance to the first character and validate the
|
|
|
+ // four-digit code point.
|
|
|
+ begin = ++Index;
|
|
|
+ for (position = Index + 4; Index < position; Index++) {
|
|
|
+ charCode = source.charCodeAt(Index);
|
|
|
+ // A valid sequence comprises four hexdigits (case-
|
|
|
+ // insensitive) that form a single hexadecimal value.
|
|
|
+ if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
|
|
|
+ // Invalid Unicode escape sequence.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Revive the escaped character.
|
|
|
+ value += fromCharCode("0x" + source.slice(begin, Index));
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ // Invalid escape sequence.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (charCode == 34) {
|
|
|
+ // An unescaped double-quote character marks the end of the
|
|
|
+ // string.
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ charCode = source.charCodeAt(Index);
|
|
|
+ begin = Index;
|
|
|
+ // Optimize for the common case where a string is valid.
|
|
|
+ while (charCode >= 32 && charCode != 92 && charCode != 34) {
|
|
|
+ charCode = source.charCodeAt(++Index);
|
|
|
+ }
|
|
|
+ // Append the string as-is.
|
|
|
+ value += source.slice(begin, Index);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (source.charCodeAt(Index) == 34) {
|
|
|
+ // Advance to the next character and return the revived string.
|
|
|
+ Index++;
|
|
|
+ return value;
|
|
|
+ }
|
|
|
+ // Unterminated string.
|
|
|
+ abort();
|
|
|
+ default:
|
|
|
+ // Parse numbers and literals.
|
|
|
+ begin = Index;
|
|
|
+ // Advance past the negative sign, if one is specified.
|
|
|
+ if (charCode == 45) {
|
|
|
+ isSigned = true;
|
|
|
+ charCode = source.charCodeAt(++Index);
|
|
|
+ }
|
|
|
+ // Parse an integer or floating-point value.
|
|
|
+ if (charCode >= 48 && charCode <= 57) {
|
|
|
+ // Leading zeroes are interpreted as octal literals.
|
|
|
+ if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
|
|
|
+ // Illegal octal literal.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ isSigned = false;
|
|
|
+ // Parse the integer component.
|
|
|
+ for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
|
|
|
+ // Floats cannot contain a leading decimal point; however, this
|
|
|
+ // case is already accounted for by the parser.
|
|
|
+ if (source.charCodeAt(Index) == 46) {
|
|
|
+ position = ++Index;
|
|
|
+ // Parse the decimal component.
|
|
|
+ for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
|
|
|
+ if (position == Index) {
|
|
|
+ // Illegal trailing decimal.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ Index = position;
|
|
|
+ }
|
|
|
+ // Parse exponents. The `e` denoting the exponent is
|
|
|
+ // case-insensitive.
|
|
|
+ charCode = source.charCodeAt(Index);
|
|
|
+ if (charCode == 101 || charCode == 69) {
|
|
|
+ charCode = source.charCodeAt(++Index);
|
|
|
+ // Skip past the sign following the exponent, if one is
|
|
|
+ // specified.
|
|
|
+ if (charCode == 43 || charCode == 45) {
|
|
|
+ Index++;
|
|
|
+ }
|
|
|
+ // Parse the exponential component.
|
|
|
+ for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
|
|
|
+ if (position == Index) {
|
|
|
+ // Illegal empty exponent.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ Index = position;
|
|
|
+ }
|
|
|
+ // Coerce the parsed value to a JavaScript number.
|
|
|
+ return +source.slice(begin, Index);
|
|
|
+ }
|
|
|
+ // A negative sign may only precede numbers.
|
|
|
+ if (isSigned) {
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ // `true`, `false`, and `null` literals.
|
|
|
+ if (source.slice(Index, Index + 4) == "true") {
|
|
|
+ Index += 4;
|
|
|
+ return true;
|
|
|
+ } else if (source.slice(Index, Index + 5) == "false") {
|
|
|
+ Index += 5;
|
|
|
+ return false;
|
|
|
+ } else if (source.slice(Index, Index + 4) == "null") {
|
|
|
+ Index += 4;
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ // Unrecognized token.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Return the sentinel `$` character if the parser has reached the end
|
|
|
+ // of the source string.
|
|
|
+ return "$";
|
|
|
+ };
|
|
|
+
|
|
|
+ // Internal: Parses a JSON `value` token.
|
|
|
+ var get = function (value) {
|
|
|
+ var results, hasMembers;
|
|
|
+ if (value == "$") {
|
|
|
+ // Unexpected end of input.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ if (typeof value == "string") {
|
|
|
+ if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
|
|
|
+ // Remove the sentinel `@` character.
|
|
|
+ return value.slice(1);
|
|
|
+ }
|
|
|
+ // Parse object and array literals.
|
|
|
+ if (value == "[") {
|
|
|
+ // Parses a JSON array, returning a new JavaScript array.
|
|
|
+ results = [];
|
|
|
+ for (;; hasMembers || (hasMembers = true)) {
|
|
|
+ value = lex();
|
|
|
+ // A closing square bracket marks the end of the array literal.
|
|
|
+ if (value == "]") {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ // If the array literal contains elements, the current token
|
|
|
+ // should be a comma separating the previous element from the
|
|
|
+ // next.
|
|
|
+ if (hasMembers) {
|
|
|
+ if (value == ",") {
|
|
|
+ value = lex();
|
|
|
+ if (value == "]") {
|
|
|
+ // Unexpected trailing `,` in array literal.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // A `,` must separate each array element.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Elisions and leading commas are not permitted.
|
|
|
+ if (value == ",") {
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ results.push(get(value));
|
|
|
+ }
|
|
|
+ return results;
|
|
|
+ } else if (value == "{") {
|
|
|
+ // Parses a JSON object, returning a new JavaScript object.
|
|
|
+ results = {};
|
|
|
+ for (;; hasMembers || (hasMembers = true)) {
|
|
|
+ value = lex();
|
|
|
+ // A closing curly brace marks the end of the object literal.
|
|
|
+ if (value == "}") {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ // If the object literal contains members, the current token
|
|
|
+ // should be a comma separator.
|
|
|
+ if (hasMembers) {
|
|
|
+ if (value == ",") {
|
|
|
+ value = lex();
|
|
|
+ if (value == "}") {
|
|
|
+ // Unexpected trailing `,` in object literal.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // A `,` must separate each object member.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Leading commas are not permitted, object property names must be
|
|
|
+ // double-quoted strings, and a `:` must separate each property
|
|
|
+ // name and value.
|
|
|
+ if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ results[value.slice(1)] = get(lex());
|
|
|
+ }
|
|
|
+ return results;
|
|
|
+ }
|
|
|
+ // Unexpected token encountered.
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ return value;
|
|
|
+ };
|
|
|
+
|
|
|
+ // Internal: Updates a traversed object member.
|
|
|
+ var update = function(source, property, callback) {
|
|
|
+ var element = walk(source, property, callback);
|
|
|
+ if (element === undef) {
|
|
|
+ delete source[property];
|
|
|
+ } else {
|
|
|
+ source[property] = element;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ // Internal: Recursively traverses a parsed JSON object, invoking the
|
|
|
+ // `callback` function for each value. This is an implementation of the
|
|
|
+ // `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
|
|
|
+ var walk = function (source, property, callback) {
|
|
|
+ var value = source[property], length;
|
|
|
+ if (typeof value == "object" && value) {
|
|
|
+ // `forEach` can't be used to traverse an array in Opera <= 8.54
|
|
|
+ // because its `Object#hasOwnProperty` implementation returns `false`
|
|
|
+ // for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
|
|
|
+ if (getClass.call(value) == arrayClass) {
|
|
|
+ for (length = value.length; length--;) {
|
|
|
+ update(value, length, callback);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ forEach(value, function (property) {
|
|
|
+ update(value, property, callback);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return callback.call(source, property, value);
|
|
|
+ };
|
|
|
+
|
|
|
+ // Public: `JSON.parse`. See ES 5.1 section 15.12.2.
|
|
|
+ JSON3.parse = function (source, callback) {
|
|
|
+ var result, value;
|
|
|
+ Index = 0;
|
|
|
+ Source = "" + source;
|
|
|
+ result = get(lex());
|
|
|
+ // If a JSON string contains multiple tokens, it is invalid.
|
|
|
+ if (lex() != "$") {
|
|
|
+ abort();
|
|
|
+ }
|
|
|
+ // Reset the parser state.
|
|
|
+ Index = Source = null;
|
|
|
+ return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
|
|
|
+ };
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Export for asynchronous module loaders.
|
|
|
+ if (isLoader) {
|
|
|
+ define(function () {
|
|
|
+ return JSON3;
|
|
|
+ });
|
|
|
+ }
|
|
|
+}(this));
|
Nathaniel van Diepen