| // Copyright (c) 2012 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 BASE_VALUE_CONVERSIONS_H_ |
| #define BASE_VALUE_CONVERSIONS_H_ |
| |
| // This file contains methods to convert things to a |Value| and back. |
| |
| #include <memory> |
| |
| #include "base/base_export.h" |
| #include "base/compiler_specific.h" |
| |
| namespace base { |
| |
| class FilePath; |
| class Time; |
| class TimeDelta; |
| class UnguessableToken; |
| class Value; |
| |
| // In GetValueAs*() functions, the caller owns the object pointed by the output |
| // parameter, e.g. |file_path|. If false is returned, the value of the object |
| // pointed by the output parameter is not changed. It is okay to pass nullptr to |
| // the output parameter. |
| |
| // Warning: The Values involved could be stored on persistent storage like files |
| // on disks. Therefore, changes in implementation could lead to data corruption |
| // and must be done with caution. |
| |
| BASE_EXPORT Value CreateFilePathValue(const FilePath& in_value); |
| BASE_EXPORT bool GetValueAsFilePath(const Value& value, |
| FilePath* file_path) WARN_UNUSED_RESULT; |
| |
| BASE_EXPORT Value CreateTimeValue(const Time& time); |
| BASE_EXPORT bool GetValueAsTime(const Value& value, |
| Time* time) WARN_UNUSED_RESULT; |
| |
| BASE_EXPORT Value CreateTimeDeltaValue(const TimeDelta& time_delta); |
| BASE_EXPORT bool GetValueAsTimeDelta(const Value& value, |
| TimeDelta* time_delta) WARN_UNUSED_RESULT; |
| |
| BASE_EXPORT Value CreateUnguessableTokenValue(const UnguessableToken& token); |
| BASE_EXPORT bool GetValueAsUnguessableToken(const Value& value, |
| UnguessableToken* token) |
| WARN_UNUSED_RESULT; |
| |
| } // namespace base |
| |
| #endif // BASE_VALUE_CONVERSIONS_H_ |