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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // This class is called by the WebResourceService in a sandboxed process | 5 // This class is called by the WebResourceService in a sandboxed process |
6 // to unpack data retrieved from a web resource feed. Right now, it | 6 // to unpack data retrieved from a web resource feed. Right now, it |
7 // takes a string of data in JSON format, parses it, and hands it back | 7 // takes a string of data in JSON format, parses it, and hands it back |
8 // to the WebResourceService as a list of items. In the future | 8 // to the WebResourceService as a list of items. In the future |
9 // it will be set up to unpack and verify image data in addition to | 9 // it will be set up to unpack and verify image data in addition to |
10 // just parsing a JSON feed. | 10 // just parsing a JSON feed. |
11 | 11 |
12 #ifndef CHROME_COMMON_WEB_RESOURCE_WEB_RESOURCE_UNPACKER_H_ | 12 #ifndef CHROME_COMMON_WEB_RESOURCE_WEB_RESOURCE_UNPACKER_H_ |
13 #define CHROME_COMMON_WEB_RESOURCE_WEB_RESOURCE_UNPACKER_H_ | 13 #define CHROME_COMMON_WEB_RESOURCE_WEB_RESOURCE_UNPACKER_H_ |
14 #pragma once | 14 #pragma once |
15 | 15 |
16 #include <string> | 16 #include <string> |
17 | 17 |
18 #include "base/basictypes.h" | 18 #include "base/basictypes.h" |
19 #include "base/memory/scoped_ptr.h" | 19 #include "base/memory/scoped_ptr.h" |
20 | 20 |
| 21 namespace base { |
21 class DictionaryValue; | 22 class DictionaryValue; |
| 23 } |
22 | 24 |
23 class WebResourceUnpacker { | 25 class WebResourceUnpacker { |
24 public: | 26 public: |
25 static const char* kInvalidDataTypeError; | 27 static const char* kInvalidDataTypeError; |
26 static const char* kUnexpectedJSONFormatError; | 28 static const char* kUnexpectedJSONFormatError; |
27 | 29 |
28 explicit WebResourceUnpacker(const std::string &resource_data); | 30 explicit WebResourceUnpacker(const std::string &resource_data); |
29 ~WebResourceUnpacker(); | 31 ~WebResourceUnpacker(); |
30 | 32 |
31 // This does the actual parsing. In case of an error, error_message_ | 33 // This does the actual parsing. In case of an error, error_message_ |
32 // is set to an appropriate value. | 34 // is set to an appropriate value. |
33 bool Run(); | 35 bool Run(); |
34 | 36 |
35 // Returns the last error message set by Run(). | 37 // Returns the last error message set by Run(). |
36 const std::string& error_message() { return error_message_; } | 38 const std::string& error_message() { return error_message_; } |
37 | 39 |
38 // Gets data which has been parsed by Run(). | 40 // Gets data which has been parsed by Run(). |
39 DictionaryValue* parsed_json() { | 41 base::DictionaryValue* parsed_json() { |
40 return parsed_json_.get(); | 42 return parsed_json_.get(); |
41 } | 43 } |
42 | 44 |
43 private: | 45 private: |
44 // Holds the string which is to be parsed. | 46 // Holds the string which is to be parsed. |
45 std::string resource_data_; | 47 std::string resource_data_; |
46 | 48 |
47 // Holds the result of JSON parsing of resource_data_. | 49 // Holds the result of JSON parsing of resource_data_. |
48 scoped_ptr<DictionaryValue> parsed_json_; | 50 scoped_ptr<base::DictionaryValue> parsed_json_; |
49 | 51 |
50 // Holds the last error message produced by Run(). | 52 // Holds the last error message produced by Run(). |
51 std::string error_message_; | 53 std::string error_message_; |
52 | 54 |
53 DISALLOW_COPY_AND_ASSIGN(WebResourceUnpacker); | 55 DISALLOW_COPY_AND_ASSIGN(WebResourceUnpacker); |
54 }; | 56 }; |
55 | 57 |
56 #endif // CHROME_COMMON_WEB_RESOURCE_WEB_RESOURCE_UNPACKER_H_ | 58 #endif // CHROME_COMMON_WEB_RESOURCE_WEB_RESOURCE_UNPACKER_H_ |
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