| // Copyright 2012 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| |
| /** |
| * @fileoverview Defines a class for parsing JSON using eval. |
| */ |
| |
| goog.provide('goog.json.EvalJsonProcessor'); |
| |
| goog.require('goog.json'); |
| goog.require('goog.json.Processor'); |
| goog.require('goog.json.Serializer'); |
| |
| |
| |
| /** |
| * A class that parses and stringifies JSON using eval (as implemented in |
| * goog.json). |
| * Adapts {@code goog.json} to the {@code goog.json.Processor} interface. |
| * |
| * @param {?goog.json.Replacer=} opt_replacer An optional replacer to use during |
| * serialization. |
| * @param {?boolean=} opt_useUnsafeParsing Whether to use goog.json.unsafeParse |
| * for parsing. Safe parsing is very slow on large strings. On the other |
| * hand, unsafe parsing uses eval() without checking whether the string is |
| * valid, so it should only be used if you trust the source of the string. |
| * @constructor |
| * @implements {goog.json.Processor} |
| * @final |
| */ |
| goog.json.EvalJsonProcessor = function(opt_replacer, opt_useUnsafeParsing) { |
| /** |
| * @type {goog.json.Serializer} |
| * @private |
| */ |
| this.serializer_ = new goog.json.Serializer(opt_replacer); |
| |
| /** |
| * @type {function(string): *} |
| * @private |
| */ |
| this.parser_ = opt_useUnsafeParsing ? goog.json.unsafeParse : goog.json.parse; |
| }; |
| |
| |
| /** @override */ |
| goog.json.EvalJsonProcessor.prototype.stringify = function(object) { |
| return this.serializer_.serialize(object); |
| }; |
| |
| |
| /** @override */ |
| goog.json.EvalJsonProcessor.prototype.parse = function(s) { |
| return this.parser_(s); |
| }; |