| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_SAFE_JSON_SAFE_JSON_PARSER_H_ |
| #define COMPONENTS_SAFE_JSON_SAFE_JSON_PARSER_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/callback.h" |
| |
| namespace base { |
| class Value; |
| } |
| |
| namespace safe_json { |
| |
| // SafeJsonParser parses a given JSON safely via a platform-dependent mechanism |
| // (like parsing it in a utility process or in a memory-safe environment). |
| // Internally, an instance of this class is created when Parse() is called and |
| // is kept alive until one of the two callbacks is called, after which it |
| // deletes itself. |
| class SafeJsonParser { |
| public: |
| using SuccessCallback = base::Callback<void(std::unique_ptr<base::Value>)>; |
| using ErrorCallback = base::Callback<void(const std::string&)>; |
| |
| using Factory = SafeJsonParser* (*)(const std::string& unsafe_json, |
| const SuccessCallback& success_callback, |
| const ErrorCallback& error_callback); |
| |
| // Starts parsing the passed in |unsafe_json| and calls either |
| // |success_callback| or |error_callback| when finished. |
| static void Parse(const std::string& unsafe_json, |
| const SuccessCallback& success_callback, |
| const ErrorCallback& error_callback); |
| |
| static void SetFactoryForTesting(Factory factory); |
| |
| protected: |
| virtual ~SafeJsonParser() {} |
| |
| private: |
| virtual void Start() = 0; |
| }; |
| |
| } // namespace safe_json |
| |
| #endif // COMPONENTS_SAFE_JSON_SAFE_JSON_PARSER_H_ |