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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_SAFE_JSON_SAFE_JSON_PARSER_H_ | 5 #ifndef COMPONENTS_SAFE_JSON_SAFE_JSON_PARSER_H_ |
6 #define COMPONENTS_SAFE_JSON_SAFE_JSON_PARSER_H_ | 6 #define COMPONENTS_SAFE_JSON_SAFE_JSON_PARSER_H_ |
7 | 7 |
| 8 #include <memory> |
8 #include <string> | 9 #include <string> |
9 | 10 |
10 #include "base/callback.h" | 11 #include "base/callback.h" |
11 #include "base/memory/scoped_ptr.h" | |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 class Value; | 14 class Value; |
15 } | 15 } |
16 | 16 |
17 namespace safe_json { | 17 namespace safe_json { |
18 | 18 |
19 // SafeJsonParser parses a given JSON safely via a platform-dependent mechanism | 19 // SafeJsonParser parses a given JSON safely via a platform-dependent mechanism |
20 // (like parsing it in a utility process or in a memory-safe environment). | 20 // (like parsing it in a utility process or in a memory-safe environment). |
21 // Internally, an instance of this class is created when Parse() is called and | 21 // Internally, an instance of this class is created when Parse() is called and |
22 // is kept alive until one of the two callbacks is called, after which it | 22 // is kept alive until one of the two callbacks is called, after which it |
23 // deletes itself. | 23 // deletes itself. |
24 class SafeJsonParser { | 24 class SafeJsonParser { |
25 public: | 25 public: |
26 using SuccessCallback = base::Callback<void(scoped_ptr<base::Value>)>; | 26 using SuccessCallback = base::Callback<void(std::unique_ptr<base::Value>)>; |
27 using ErrorCallback = base::Callback<void(const std::string&)>; | 27 using ErrorCallback = base::Callback<void(const std::string&)>; |
28 | 28 |
29 using Factory = SafeJsonParser* (*)(const std::string& unsafe_json, | 29 using Factory = SafeJsonParser* (*)(const std::string& unsafe_json, |
30 const SuccessCallback& success_callback, | 30 const SuccessCallback& success_callback, |
31 const ErrorCallback& error_callback); | 31 const ErrorCallback& error_callback); |
32 | 32 |
33 // Starts parsing the passed in |unsafe_json| and calls either | 33 // Starts parsing the passed in |unsafe_json| and calls either |
34 // |success_callback| or |error_callback| when finished. | 34 // |success_callback| or |error_callback| when finished. |
35 static void Parse(const std::string& unsafe_json, | 35 static void Parse(const std::string& unsafe_json, |
36 const SuccessCallback& success_callback, | 36 const SuccessCallback& success_callback, |
37 const ErrorCallback& error_callback); | 37 const ErrorCallback& error_callback); |
38 | 38 |
39 static void SetFactoryForTesting(Factory factory); | 39 static void SetFactoryForTesting(Factory factory); |
40 | 40 |
41 protected: | 41 protected: |
42 virtual ~SafeJsonParser() {} | 42 virtual ~SafeJsonParser() {} |
43 | 43 |
44 private: | 44 private: |
45 virtual void Start() = 0; | 45 virtual void Start() = 0; |
46 }; | 46 }; |
47 | 47 |
48 } // namespace safe_json | 48 } // namespace safe_json |
49 | 49 |
50 #endif // COMPONENTS_SAFE_JSON_SAFE_JSON_PARSER_H_ | 50 #endif // COMPONENTS_SAFE_JSON_SAFE_JSON_PARSER_H_ |
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