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