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anikendra |
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/* Cassandra-compilant MAP v0.1.7 | Adapted by jcoc611 | Based on the following: */
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/*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */
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(function () {
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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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// A set of types used to distinguish objects from primitives.
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var objectTypes = {
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"function": true,
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"object": true
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};
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// Detect the `exports` object exposed by CommonJS implementations.
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var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
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// Use the `global` object exposed by Node (including Browserify via
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// `insert-module-globals`), Narwhal, and Ringo as the default context,
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// and the `window` object in browsers. Rhino exports a `global` function
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// instead.
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var root = objectTypes[typeof window] && window || this,
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freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global;
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if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) {
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root = freeGlobal;
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}
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// Public: Initializes JSON 3 using the given `context` object, attaching the
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// `stringify` and `parse` functions to the specified `exports` object.
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function runInContext(context, exports){
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context || (context = root["Object"]());
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exports || (exports = root["Object"]());
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// Native constructor aliases.
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var Number = context["Number"] || root["Number"],
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String = context["String"] || root["String"],
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Object = context["Object"] || root["Object"],
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Date = context["Date"] || root["Date"],
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SyntaxError = context["SyntaxError"] || root["SyntaxError"],
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TypeError = context["TypeError"] || root["TypeError"],
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Math = context["Math"] || root["Math"],
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nativeJSON = context["JSON"] || root["JSON"];
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// Delegate to the native `stringify` and `parse` implementations.
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if (typeof nativeJSON == "object" && nativeJSON) {
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exports.stringify = nativeJSON.stringify;
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exports.parse = nativeJSON.parse;
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}
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// Convenience aliases.
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var objectProto = Object.prototype,
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getClass = objectProto.toString,
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isProperty, forEach, undef;
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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 { isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 && isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708}catch(exception){}
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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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// 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] !== undef) {
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// Return cached feature test result.
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return has[name];
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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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// Do not use JSON as default.
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} else isSupported = false;
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return has[name] = !!isSupported;
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}
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// Common `[[Class]]` name aliases.
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var functionClass = "[object Function]",
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dateClass = "[object Date]",
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numberClass = "[object Number]",
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stringClass = "[object String]",
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arrayClass = "[object Array]",
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booleanClass = "[object Boolean]";
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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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// 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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// 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 = objectProto.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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// 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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// 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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// 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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// 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" && objectTypes[typeof 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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// 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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219 |
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// Internal: A map of control characters and their escaped equivalents.
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// [Cassandra]: uses single quotes.
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var Escapes = {
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92: "\\\\",
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//34: '\\" ',
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39: "\\'", // single quote escape
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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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// 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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// 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, useCharIndex = !charIndexBuggy || length > 10;
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var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value);
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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) {
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case 8: case 9: case 10: case 12: case 13: case 39: case 92:
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result += Escapes[charCode];
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break;
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default:
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if (charCode < 32) {
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result += unicodePrefix + toPaddedString(2, charCode.toString(16));
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break;
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}
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result += useCharIndex ? symbols[index] : value.charAt(index);
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}
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}
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return result + "'";
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};
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268 |
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// Internal: Recursively serializes an object. Implements the
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270 |
// `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
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271 |
var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
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var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
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try {
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274 |
// Necessary for host object support.
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value = object[property];
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276 |
} catch (exception) {}
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277 |
if (typeof value == "object" && value) {
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278 |
className = getClass.call(value);
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279 |
if (className == dateClass && !isProperty.call(value, "toJSON")) {
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280 |
if (value > -1 / 0 && value < 1 / 0) {
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281 |
// Dates are serialized according to the `Date#toJSON` method
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282 |
// specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
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283 |
// for the ISO 8601 date time string format.
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284 |
if (getDay) {
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285 |
// Manually compute the year, month, date, hours, minutes,
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286 |
// seconds, and milliseconds if the `getUTC*` methods are
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287 |
// buggy. Adapted from @Yaffle's `date-shim` project.
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288 |
date = floor(value / 864e5);
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289 |
for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
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for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
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291 |
date = 1 + date - getDay(year, month);
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292 |
// The `time` value specifies the time within the day (see ES
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293 |
// 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
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294 |
// to compute `A modulo B`, as the `%` operator does not
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295 |
// correspond to the `modulo` operation for negative numbers.
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296 |
time = (value % 864e5 + 864e5) % 864e5;
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297 |
// The hours, minutes, seconds, and milliseconds are obtained by
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// decomposing the time within the day. See section 15.9.1.10.
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299 |
hours = floor(time / 36e5) % 24;
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300 |
minutes = floor(time / 6e4) % 60;
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301 |
seconds = floor(time / 1e3) % 60;
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302 |
milliseconds = time % 1e3;
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303 |
} else {
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304 |
year = value.getUTCFullYear();
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305 |
month = value.getUTCMonth();
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306 |
date = value.getUTCDate();
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307 |
hours = value.getUTCHours();
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308 |
minutes = value.getUTCMinutes();
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309 |
seconds = value.getUTCSeconds();
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310 |
milliseconds = value.getUTCMilliseconds();
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311 |
}
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312 |
// Serialize extended years correctly.
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313 |
value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
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314 |
"-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
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315 |
// Months, dates, hours, minutes, and seconds should have two
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316 |
// digits; milliseconds should have three.
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|
317 |
"T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
|
|
|
318 |
// Milliseconds are optional in ES 5.0, but required in 5.1.
|
|
|
319 |
"." + toPaddedString(3, milliseconds) + "Z";
|
|
|
320 |
} else {
|
|
|
321 |
value = null;
|
|
|
322 |
}
|
|
|
323 |
} else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
|
|
|
324 |
// Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
|
|
|
325 |
// `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
|
|
|
326 |
// ignores all `toJSON` methods on these objects unless they are
|
|
|
327 |
// defined directly on an instance.
|
|
|
328 |
value = value.toJSON(property);
|
|
|
329 |
}
|
|
|
330 |
}
|
|
|
331 |
if (callback) {
|
|
|
332 |
// If a replacement function was provided, call it to obtain the value
|
|
|
333 |
// for serialization.
|
|
|
334 |
value = callback.call(object, property, value);
|
|
|
335 |
}
|
|
|
336 |
if (value === null) {
|
|
|
337 |
return "null";
|
|
|
338 |
}
|
|
|
339 |
className = getClass.call(value);
|
|
|
340 |
if (className == booleanClass) {
|
|
|
341 |
// Booleans are represented literally.
|
|
|
342 |
return "" + value;
|
|
|
343 |
} else if (className == numberClass) {
|
|
|
344 |
// JSON numbers must be finite. `Infinity` and `NaN` are serialized as
|
|
|
345 |
// `"null"`.
|
|
|
346 |
return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
|
|
|
347 |
} else if (className == stringClass) {
|
|
|
348 |
// Strings are double-quoted and escaped.
|
|
|
349 |
return quote("" + value);
|
|
|
350 |
}
|
|
|
351 |
// Recursively serialize objects and arrays.
|
|
|
352 |
if (typeof value == "object") {
|
|
|
353 |
// Check for cyclic structures. This is a linear search; performance
|
|
|
354 |
// is inversely proportional to the number of unique nested objects.
|
|
|
355 |
for (length = stack.length; length--;) {
|
|
|
356 |
if (stack[length] === value) {
|
|
|
357 |
// Cyclic structures cannot be serialized by `JSON.stringify`.
|
|
|
358 |
throw TypeError();
|
|
|
359 |
}
|
|
|
360 |
}
|
|
|
361 |
// Add the object to the stack of traversed objects.
|
|
|
362 |
stack.push(value);
|
|
|
363 |
results = [];
|
|
|
364 |
// Save the current indentation level and indent one additional level.
|
|
|
365 |
prefix = indentation;
|
|
|
366 |
indentation += whitespace;
|
|
|
367 |
if (className == arrayClass) {
|
|
|
368 |
// Recursively serialize array elements.
|
|
|
369 |
for (index = 0, length = value.length; index < length; index++) {
|
|
|
370 |
element = serialize(index, value, callback, properties, whitespace, indentation, stack);
|
|
|
371 |
results.push(element === undef ? "null" : element);
|
|
|
372 |
}
|
|
|
373 |
result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
|
|
|
374 |
} else {
|
|
|
375 |
// Recursively serialize object members. Members are selected from
|
|
|
376 |
// either a user-specified list of property names, or the object
|
|
|
377 |
// itself.
|
|
|
378 |
forEach(properties || value, function (property) {
|
|
|
379 |
var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
|
|
|
380 |
if (element !== undef) {
|
|
|
381 |
// According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
|
|
|
382 |
// is not the empty string, let `member` {quote(property) + ":"}
|
|
|
383 |
// be the concatenation of `member` and the `space` character."
|
|
|
384 |
// The "`space` character" refers to the literal space
|
|
|
385 |
// character, not the `space` {width} argument provided to
|
|
|
386 |
// `JSON.stringify`.
|
|
|
387 |
results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
|
|
|
388 |
}
|
|
|
389 |
});
|
|
|
390 |
result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
|
|
|
391 |
}
|
|
|
392 |
// Remove the object from the traversed object stack.
|
|
|
393 |
stack.pop();
|
|
|
394 |
return result;
|
|
|
395 |
}
|
|
|
396 |
};
|
|
|
397 |
|
|
|
398 |
// Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
|
|
|
399 |
exports.stringify = function (source, filter, width) {
|
|
|
400 |
var whitespace, callback, properties, className;
|
|
|
401 |
if (objectTypes[typeof filter] && filter) {
|
|
|
402 |
if ((className = getClass.call(filter)) == functionClass) {
|
|
|
403 |
callback = filter;
|
|
|
404 |
} else if (className == arrayClass) {
|
|
|
405 |
// Convert the property names array into a makeshift set.
|
|
|
406 |
properties = {};
|
|
|
407 |
for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
|
|
|
408 |
}
|
|
|
409 |
}
|
|
|
410 |
if (width) {
|
|
|
411 |
if ((className = getClass.call(width)) == numberClass) {
|
|
|
412 |
// Convert the `width` to an integer and create a string containing
|
|
|
413 |
// `width` number of space characters.
|
|
|
414 |
if ((width -= width % 1) > 0) {
|
|
|
415 |
for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
|
|
|
416 |
}
|
|
|
417 |
} else if (className == stringClass) {
|
|
|
418 |
whitespace = width.length <= 10 ? width : width.slice(0, 10);
|
|
|
419 |
}
|
|
|
420 |
}
|
|
|
421 |
// Opera <= 7.54u2 discards the values associated with empty string keys
|
|
|
422 |
// (`""`) only if they are used directly within an object member list
|
|
|
423 |
// (e.g., `!("" in { "": 1})`).
|
|
|
424 |
return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
|
|
|
425 |
};
|
|
|
426 |
|
|
|
427 |
|
|
|
428 |
// Public: Parses a JSON source string.
|
|
|
429 |
var fromCharCode = String.fromCharCode;
|
|
|
430 |
|
|
|
431 |
// Internal: A map of escaped control characters and their unescaped
|
|
|
432 |
// equivalents.
|
|
|
433 |
var Unescapes = {
|
|
|
434 |
92: "\\",
|
|
|
435 |
// 34: '"',
|
|
|
436 |
39: "'", // single quote
|
|
|
437 |
47: "/",
|
|
|
438 |
98: "\b",
|
|
|
439 |
116: "\t",
|
|
|
440 |
110: "\n",
|
|
|
441 |
102: "\f",
|
|
|
442 |
114: "\r"
|
|
|
443 |
};
|
|
|
444 |
|
|
|
445 |
// Internal: Stores the parser state.
|
|
|
446 |
var Index, Source;
|
|
|
447 |
|
|
|
448 |
// Internal: Resets the parser state and throws a `SyntaxError`.
|
|
|
449 |
var abort = function () {
|
|
|
450 |
Index = Source = null;
|
|
|
451 |
throw SyntaxError();
|
|
|
452 |
};
|
|
|
453 |
|
|
|
454 |
// Internal: Returns the next token, or `"$"` if the parser has reached
|
|
|
455 |
// the end of the source string. A token may be a string, number, `null`
|
|
|
456 |
// literal, or Boolean literal.
|
|
|
457 |
var lex = function () {
|
|
|
458 |
var source = Source, length = source.length, value, begin, position, isSigned, charCode;
|
|
|
459 |
while (Index < length) {
|
|
|
460 |
charCode = source.charCodeAt(Index);
|
|
|
461 |
switch (charCode) {
|
|
|
462 |
case 9: case 10: case 13: case 32:
|
|
|
463 |
// Skip whitespace tokens, including tabs, carriage returns, line
|
|
|
464 |
// feeds, and space characters.
|
|
|
465 |
Index++;
|
|
|
466 |
break;
|
|
|
467 |
case 123: case 125: case 91: case 93: case 58: case 44:
|
|
|
468 |
// Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
|
|
|
469 |
// the current position.
|
|
|
470 |
value = charIndexBuggy ? source.charAt(Index) : source[Index];
|
|
|
471 |
Index++;
|
|
|
472 |
return value;
|
|
|
473 |
case 39:
|
|
|
474 |
// `'` delimits a MAP string; advance to the next character and
|
|
|
475 |
// begin parsing the string. String tokens are prefixed with the
|
|
|
476 |
// sentinel `@` character to distinguish them from punctuators and
|
|
|
477 |
// end-of-string tokens.
|
|
|
478 |
for (value = "@", Index++; Index < length;) {
|
|
|
479 |
charCode = source.charCodeAt(Index);
|
|
|
480 |
if (charCode < 32) {
|
|
|
481 |
// Unescaped ASCII control characters (those with a code unit
|
|
|
482 |
// less than the space character) are not permitted.
|
|
|
483 |
abort();
|
|
|
484 |
} else if (charCode == 92) {
|
|
|
485 |
// A reverse solidus (`\`) marks the beginning of an escaped
|
|
|
486 |
// control character (including `"`, `\`, and `/`) or Unicode
|
|
|
487 |
// escape sequence.
|
|
|
488 |
charCode = source.charCodeAt(++Index);
|
|
|
489 |
switch (charCode) {
|
|
|
490 |
case 92: case 39: case 47: case 98: case 116: case 110: case 102: case 114:
|
|
|
491 |
// Revive escaped control characters.
|
|
|
492 |
value += Unescapes[charCode];
|
|
|
493 |
Index++;
|
|
|
494 |
break;
|
|
|
495 |
case 117:
|
|
|
496 |
// `\u` marks the beginning of a Unicode escape sequence.
|
|
|
497 |
// Advance to the first character and validate the
|
|
|
498 |
// four-digit code point.
|
|
|
499 |
begin = ++Index;
|
|
|
500 |
for (position = Index + 4; Index < position; Index++) {
|
|
|
501 |
charCode = source.charCodeAt(Index);
|
|
|
502 |
// A valid sequence comprises four hexdigits (case-
|
|
|
503 |
// insensitive) that form a single hexadecimal value.
|
|
|
504 |
if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
|
|
|
505 |
// Invalid Unicode escape sequence.
|
|
|
506 |
abort();
|
|
|
507 |
}
|
|
|
508 |
}
|
|
|
509 |
// Revive the escaped character.
|
|
|
510 |
value += fromCharCode("0x" + source.slice(begin, Index));
|
|
|
511 |
break;
|
|
|
512 |
default:
|
|
|
513 |
// Invalid escape sequence.
|
|
|
514 |
abort();
|
|
|
515 |
}
|
|
|
516 |
} else {
|
|
|
517 |
if (charCode == 39) {
|
|
|
518 |
// An unescaped double-quote character marks the end of the
|
|
|
519 |
// string.
|
|
|
520 |
break;
|
|
|
521 |
}
|
|
|
522 |
charCode = source.charCodeAt(Index);
|
|
|
523 |
begin = Index;
|
|
|
524 |
// Optimize for the common case where a string is valid.
|
|
|
525 |
while (charCode >= 32 && charCode != 92 && charCode != 39) {
|
|
|
526 |
charCode = source.charCodeAt(++Index);
|
|
|
527 |
}
|
|
|
528 |
// Append the string as-is.
|
|
|
529 |
value += source.slice(begin, Index);
|
|
|
530 |
}
|
|
|
531 |
}
|
|
|
532 |
if (source.charCodeAt(Index) == 39) {
|
|
|
533 |
// Advance to the next character and return the revived string.
|
|
|
534 |
Index++;
|
|
|
535 |
return value;
|
|
|
536 |
}
|
|
|
537 |
// Unterminated string.
|
|
|
538 |
abort();
|
|
|
539 |
default:
|
|
|
540 |
// Parse numbers and literals.
|
|
|
541 |
begin = Index;
|
|
|
542 |
// Advance past the negative sign, if one is specified.
|
|
|
543 |
if (charCode == 45) {
|
|
|
544 |
isSigned = true;
|
|
|
545 |
charCode = source.charCodeAt(++Index);
|
|
|
546 |
}
|
|
|
547 |
// Parse an integer or floating-point value.
|
|
|
548 |
if (charCode >= 48 && charCode <= 57) {
|
|
|
549 |
// Leading zeroes are interpreted as octal literals.
|
|
|
550 |
if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
|
|
|
551 |
// Illegal octal literal.
|
|
|
552 |
abort();
|
|
|
553 |
}
|
|
|
554 |
isSigned = false;
|
|
|
555 |
// Parse the integer component.
|
|
|
556 |
for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
|
|
|
557 |
// Floats cannot contain a leading decimal point; however, this
|
|
|
558 |
// case is already accounted for by the parser.
|
|
|
559 |
if (source.charCodeAt(Index) == 46) {
|
|
|
560 |
position = ++Index;
|
|
|
561 |
// Parse the decimal component.
|
|
|
562 |
for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
|
|
|
563 |
if (position == Index) {
|
|
|
564 |
// Illegal trailing decimal.
|
|
|
565 |
abort();
|
|
|
566 |
}
|
|
|
567 |
Index = position;
|
|
|
568 |
}
|
|
|
569 |
// Parse exponents. The `e` denoting the exponent is
|
|
|
570 |
// case-insensitive.
|
|
|
571 |
charCode = source.charCodeAt(Index);
|
|
|
572 |
if (charCode == 101 || charCode == 69) {
|
|
|
573 |
charCode = source.charCodeAt(++Index);
|
|
|
574 |
// Skip past the sign following the exponent, if one is
|
|
|
575 |
// specified.
|
|
|
576 |
if (charCode == 43 || charCode == 45) {
|
|
|
577 |
Index++;
|
|
|
578 |
}
|
|
|
579 |
// Parse the exponential component.
|
|
|
580 |
for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
|
|
|
581 |
if (position == Index) {
|
|
|
582 |
// Illegal empty exponent.
|
|
|
583 |
abort();
|
|
|
584 |
}
|
|
|
585 |
Index = position;
|
|
|
586 |
}
|
|
|
587 |
// Coerce the parsed value to a JavaScript number.
|
|
|
588 |
return +source.slice(begin, Index);
|
|
|
589 |
}
|
|
|
590 |
// A negative sign may only precede numbers.
|
|
|
591 |
if (isSigned) {
|
|
|
592 |
abort();
|
|
|
593 |
}
|
|
|
594 |
// `true`, `false`, and `null` literals.
|
|
|
595 |
if (source.slice(Index, Index + 4) == "true") {
|
|
|
596 |
Index += 4;
|
|
|
597 |
return true;
|
|
|
598 |
} else if (source.slice(Index, Index + 5) == "false") {
|
|
|
599 |
Index += 5;
|
|
|
600 |
return false;
|
|
|
601 |
} else if (source.slice(Index, Index + 4) == "null") {
|
|
|
602 |
Index += 4;
|
|
|
603 |
return null;
|
|
|
604 |
}
|
|
|
605 |
// Unrecognized token.
|
|
|
606 |
abort();
|
|
|
607 |
}
|
|
|
608 |
}
|
|
|
609 |
// Return the sentinel `$` character if the parser has reached the end
|
|
|
610 |
// of the source string.
|
|
|
611 |
return "$";
|
|
|
612 |
};
|
|
|
613 |
|
|
|
614 |
// Internal: Parses a JSON `value` token.
|
|
|
615 |
var get = function (value) {
|
|
|
616 |
var results, hasMembers;
|
|
|
617 |
if (value == "$") {
|
|
|
618 |
// Unexpected end of input.
|
|
|
619 |
abort();
|
|
|
620 |
}
|
|
|
621 |
if (typeof value == "string") {
|
|
|
622 |
if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
|
|
|
623 |
// Remove the sentinel `@` character.
|
|
|
624 |
return value.slice(1);
|
|
|
625 |
}
|
|
|
626 |
// Parse object and array literals.
|
|
|
627 |
if (value == "[") {
|
|
|
628 |
// Parses a JSON array, returning a new JavaScript array.
|
|
|
629 |
results = [];
|
|
|
630 |
for (;; hasMembers || (hasMembers = true)) {
|
|
|
631 |
value = lex();
|
|
|
632 |
// A closing square bracket marks the end of the array literal.
|
|
|
633 |
if (value == "]") {
|
|
|
634 |
break;
|
|
|
635 |
}
|
|
|
636 |
// If the array literal contains elements, the current token
|
|
|
637 |
// should be a comma separating the previous element from the
|
|
|
638 |
// next.
|
|
|
639 |
if (hasMembers) {
|
|
|
640 |
if (value == ",") {
|
|
|
641 |
value = lex();
|
|
|
642 |
if (value == "]") {
|
|
|
643 |
// Unexpected trailing `,` in array literal.
|
|
|
644 |
abort();
|
|
|
645 |
}
|
|
|
646 |
} else {
|
|
|
647 |
// A `,` must separate each array element.
|
|
|
648 |
abort();
|
|
|
649 |
}
|
|
|
650 |
}
|
|
|
651 |
// Elisions and leading commas are not permitted.
|
|
|
652 |
if (value == ",") {
|
|
|
653 |
abort();
|
|
|
654 |
}
|
|
|
655 |
results.push(get(value));
|
|
|
656 |
}
|
|
|
657 |
return results;
|
|
|
658 |
} else if (value == "{") {
|
|
|
659 |
// Parses a JSON object, returning a new JavaScript object.
|
|
|
660 |
results = {};
|
|
|
661 |
for (;; hasMembers || (hasMembers = true)) {
|
|
|
662 |
value = lex();
|
|
|
663 |
// A closing curly brace marks the end of the object literal.
|
|
|
664 |
if (value == "}") {
|
|
|
665 |
break;
|
|
|
666 |
}
|
|
|
667 |
// If the object literal contains members, the current token
|
|
|
668 |
// should be a comma separator.
|
|
|
669 |
if (hasMembers) {
|
|
|
670 |
if (value == ",") {
|
|
|
671 |
value = lex();
|
|
|
672 |
if (value == "}") {
|
|
|
673 |
// Unexpected trailing `,` in object literal.
|
|
|
674 |
abort();
|
|
|
675 |
}
|
|
|
676 |
} else {
|
|
|
677 |
// A `,` must separate each object member.
|
|
|
678 |
abort();
|
|
|
679 |
}
|
|
|
680 |
}
|
|
|
681 |
// Leading commas are not permitted, object property names must be
|
|
|
682 |
// double-quoted strings, and a `:` must separate each property
|
|
|
683 |
// name and value.
|
|
|
684 |
if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
|
|
|
685 |
abort();
|
|
|
686 |
}
|
|
|
687 |
results[value.slice(1)] = get(lex());
|
|
|
688 |
}
|
|
|
689 |
return results;
|
|
|
690 |
}
|
|
|
691 |
// Unexpected token encountered.
|
|
|
692 |
abort();
|
|
|
693 |
}
|
|
|
694 |
return value;
|
|
|
695 |
};
|
|
|
696 |
|
|
|
697 |
// Internal: Updates a traversed object member.
|
|
|
698 |
var update = function (source, property, callback) {
|
|
|
699 |
var element = walk(source, property, callback);
|
|
|
700 |
if (element === undef) {
|
|
|
701 |
delete source[property];
|
|
|
702 |
} else {
|
|
|
703 |
source[property] = element;
|
|
|
704 |
}
|
|
|
705 |
};
|
|
|
706 |
|
|
|
707 |
// Internal: Recursively traverses a parsed JSON object, invoking the
|
|
|
708 |
// `callback` function for each value. This is an implementation of the
|
|
|
709 |
// `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
|
|
|
710 |
var walk = function (source, property, callback) {
|
|
|
711 |
var value = source[property], length;
|
|
|
712 |
if (typeof value == "object" && value) {
|
|
|
713 |
// `forEach` can't be used to traverse an array in Opera <= 8.54
|
|
|
714 |
// because its `Object#hasOwnProperty` implementation returns `false`
|
|
|
715 |
// for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
|
|
|
716 |
if (getClass.call(value) == arrayClass) {
|
|
|
717 |
for (length = value.length; length--;) {
|
|
|
718 |
update(value, length, callback);
|
|
|
719 |
}
|
|
|
720 |
} else {
|
|
|
721 |
forEach(value, function (property) {
|
|
|
722 |
update(value, property, callback);
|
|
|
723 |
});
|
|
|
724 |
}
|
|
|
725 |
}
|
|
|
726 |
return callback.call(source, property, value);
|
|
|
727 |
};
|
|
|
728 |
|
|
|
729 |
// Public: `JSON.parse`. See ES 5.1 section 15.12.2.
|
|
|
730 |
exports.parse = function (source, callback) {
|
|
|
731 |
var result, value;
|
|
|
732 |
Index = 0;
|
|
|
733 |
Source = "" + source;
|
|
|
734 |
result = get(lex());
|
|
|
735 |
// If a JSON string contains multiple tokens, it is invalid.
|
|
|
736 |
if (lex() != "$") {
|
|
|
737 |
abort();
|
|
|
738 |
}
|
|
|
739 |
// Reset the parser state.
|
|
|
740 |
Index = Source = null;
|
|
|
741 |
return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
|
|
|
742 |
};
|
|
|
743 |
|
|
|
744 |
exports["runInContext"] = runInContext;
|
|
|
745 |
return exports;
|
|
|
746 |
};
|
|
|
747 |
// Creates an object and returns it with the .stringify, .parse, and .runInContext
|
|
|
748 |
root["cassandraMAP"] = {};
|
|
|
749 |
runInContext(root, freeExports||root["cassandraMAP"]);
|
|
|
750 |
|
|
|
751 |
}).call(this);
|