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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 #include "base/json/json_value_serializer.h" | 5 #include "base/json/json_value_serializer.h" |
| 6 | 6 |
| 7 #include "base/file_util.h" | 7 #include "base/file_util.h" |
| 8 #include "base/json/json_reader.h" | 8 #include "base/json/json_reader.h" |
| 9 #include "base/json/json_writer.h" | 9 #include "base/json/json_writer.h" |
| 10 #include "base/string_util.h" | 10 #include "base/string_util.h" |
| 11 | 11 |
| 12 const char* JSONFileValueSerializer::kAccessDenied = "Access denied."; | 12 const char* JSONFileValueSerializer::kAccessDenied = "Access denied."; |
| 13 const char* JSONFileValueSerializer::kCannotReadFile = "Can't read file."; | 13 const char* JSONFileValueSerializer::kCannotReadFile = "Can't read file."; |
| 14 const char* JSONFileValueSerializer::kFileLocked = "File locked."; | 14 const char* JSONFileValueSerializer::kFileLocked = "File locked."; |
| 15 const char* JSONFileValueSerializer::kNoSuchFile = "File doesn't exist."; | 15 const char* JSONFileValueSerializer::kNoSuchFile = "File doesn't exist."; |
| 16 | 16 |
| 17 JSONStringValueSerializer::~JSONStringValueSerializer() {} | 17 JSONStringValueSerializer::~JSONStringValueSerializer() {} |
| 18 | 18 |
| 19 bool JSONStringValueSerializer::Serialize(const Value& root) { | 19 bool JSONStringValueSerializer::Serialize(const Value& root) { |
| 20 return SerializeInternal(root, false); | |
| 21 } | |
| 22 | |
| 23 bool JSONStringValueSerializer::SerializeAndOmitBinaryValues( | |
| 24 const Value& root) { | |
| 25 return SerializeInternal(root, true); | |
| 26 } | |
| 27 | |
| 28 bool JSONStringValueSerializer::SerializeInternal(const Value& root, | |
| 29 bool omit_binary_values) { | |
| 30 if (!json_string_ || initialized_with_const_string_) | 20 if (!json_string_ || initialized_with_const_string_) |
| 31 return false; | 21 return false; |
| 32 | 22 |
| 33 base::JSONWriter::WriteWithOptions( | 23 base::JSONWriter::Write(&root, pretty_print_, json_string_); |
| 34 &root, | |
| 35 pretty_print_, | |
| 36 omit_binary_values ? base::JSONWriter::OPTIONS_OMIT_BINARY_VALUES : 0, | |
| 37 json_string_); | |
| 38 return true; | 24 return true; |
| 39 } | 25 } |
| 40 | 26 |
| 41 Value* JSONStringValueSerializer::Deserialize(int* error_code, | 27 Value* JSONStringValueSerializer::Deserialize(int* error_code, |
| 42 std::string* error_str) { | 28 std::string* error_str) { |
| 43 if (!json_string_) | 29 if (!json_string_) |
| 44 return NULL; | 30 return NULL; |
| 45 | 31 |
| 46 return base::JSONReader::ReadAndReturnError(*json_string_, | 32 return base::JSONReader::ReadAndReturnError(*json_string_, |
| 47 allow_trailing_comma_, | 33 allow_trailing_comma_, |
| 48 error_code, | 34 error_code, |
| 49 error_str); | 35 error_str); |
| 50 } | 36 } |
| 51 | 37 |
| 52 /******* File Serializer *******/ | 38 /******* File Serializer *******/ |
| 53 | 39 |
| 54 bool JSONFileValueSerializer::Serialize(const Value& root) { | 40 bool JSONFileValueSerializer::Serialize(const Value& root) { |
| 55 return SerializeInternal(root, false); | |
| 56 } | |
| 57 | |
| 58 bool JSONFileValueSerializer::SerializeAndOmitBinaryValues(const Value& root) { | |
| 59 return SerializeInternal(root, true); | |
| 60 } | |
| 61 | |
| 62 bool JSONFileValueSerializer::SerializeInternal(const Value& root, | |
| 63 bool omit_binary_values) { | |
| 64 std::string json_string; | 41 std::string json_string; |
| 65 JSONStringValueSerializer serializer(&json_string); | 42 JSONStringValueSerializer serializer(&json_string); |
| 66 serializer.set_pretty_print(true); | 43 serializer.set_pretty_print(true); |
| 67 bool result = omit_binary_values ? | 44 bool result = serializer.Serialize(root); |
| 68 serializer.SerializeAndOmitBinaryValues(root) : | |
| 69 serializer.Serialize(root); | |
| 70 if (!result) | 45 if (!result) |
| 71 return false; | 46 return false; |
| 72 | 47 |
| 73 int data_size = static_cast<int>(json_string.size()); | 48 int data_size = static_cast<int>(json_string.size()); |
| 74 if (file_util::WriteFile(json_file_path_, | 49 if (file_util::WriteFile(json_file_path_, |
| 75 json_string.data(), | 50 json_string.data(), |
| 76 data_size) != data_size) | 51 data_size) != data_size) |
| 77 return false; | 52 return false; |
| 78 | 53 |
| 79 return true; | 54 return true; |
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| 124 if (error_code) | 99 if (error_code) |
| 125 *error_code = error; | 100 *error_code = error; |
| 126 if (error_str) | 101 if (error_str) |
| 127 *error_str = GetErrorMessageForCode(error); | 102 *error_str = GetErrorMessageForCode(error); |
| 128 return NULL; | 103 return NULL; |
| 129 } | 104 } |
| 130 | 105 |
| 131 JSONStringValueSerializer serializer(json_string); | 106 JSONStringValueSerializer serializer(json_string); |
| 132 return serializer.Deserialize(error_code, error_str); | 107 return serializer.Deserialize(error_code, error_str); |
| 133 } | 108 } |
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