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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // A JSON parser. Converts strings of JSON into a Value object (see | 5 // A JSON parser. Converts strings of JSON into a Value object (see |
6 // base/values.h). | 6 // base/values.h). |
7 // http://www.ietf.org/rfc/rfc4627.txt?number=4627 | 7 // http://www.ietf.org/rfc/rfc4627.txt?number=4627 |
8 // | 8 // |
9 // Known limitations/deviations from the RFC: | 9 // Known limitations/deviations from the RFC: |
10 // - Only knows how to parse ints within the range of a signed 32 bit int and | 10 // - Only knows how to parse ints within the range of a signed 32 bit int and |
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29 #define BASE_JSON_JSON_READER_H_ | 29 #define BASE_JSON_JSON_READER_H_ |
30 | 30 |
31 #include <string> | 31 #include <string> |
32 | 32 |
33 #include "base/base_export.h" | 33 #include "base/base_export.h" |
34 #include "base/basictypes.h" | 34 #include "base/basictypes.h" |
35 #include "base/memory/scoped_ptr.h" | 35 #include "base/memory/scoped_ptr.h" |
36 #include "base/strings/string_piece.h" | 36 #include "base/strings/string_piece.h" |
37 | 37 |
38 namespace base { | 38 namespace base { |
| 39 |
39 class Value; | 40 class Value; |
40 | 41 |
41 namespace internal { | 42 namespace internal { |
42 class JSONParser; | 43 class JSONParser; |
43 } | 44 } |
44 } | |
45 | |
46 namespace base { | |
47 | 45 |
48 enum JSONParserOptions { | 46 enum JSONParserOptions { |
49 // Parses the input strictly according to RFC 4627, except for where noted | 47 // Parses the input strictly according to RFC 4627, except for where noted |
50 // above. | 48 // above. |
51 JSON_PARSE_RFC = 0, | 49 JSON_PARSE_RFC = 0, |
52 | 50 |
53 // Allows commas to exist after the last element in structures. | 51 // Allows commas to exist after the last element in structures. |
54 JSON_ALLOW_TRAILING_COMMAS = 1 << 0, | 52 JSON_ALLOW_TRAILING_COMMAS = 1 << 0, |
55 | 53 |
56 // The parser can perform optimizations by placing hidden data in the root of | 54 // The parser can perform optimizations by placing hidden data in the root of |
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127 // numbers if appropriate. | 125 // numbers if appropriate. |
128 std::string GetErrorMessage() const; | 126 std::string GetErrorMessage() const; |
129 | 127 |
130 private: | 128 private: |
131 scoped_ptr<internal::JSONParser> parser_; | 129 scoped_ptr<internal::JSONParser> parser_; |
132 }; | 130 }; |
133 | 131 |
134 } // namespace base | 132 } // namespace base |
135 | 133 |
136 #endif // BASE_JSON_JSON_READER_H_ | 134 #endif // BASE_JSON_JSON_READER_H_ |
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