Repo created

TMessagesProj/jni/voip/webrtc/base/value_conversions.h

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+// 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_