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media / base / media_serializers_base.h [blame]
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_BASE_MEDIA_SERIALIZERS_BASE_H_
#define MEDIA_BASE_MEDIA_SERIALIZERS_BASE_H_
#include <vector>
#include "base/strings/string_util.h"
#include "base/values.h"
#include "media/base/media_export.h"
namespace media {
namespace internal {
// Serializer specializer struct.
// All the types that base::Value's constructor can take should be passed
// by non-const values. (int, bool, std::string, char*, etc).
template <typename T>
struct MediaSerializer {
static inline base::Value Serialize(T value) { return base::Value(value); }
};
// A debug struct for converting things which should only be serialized during
// unittests.
template <typename T>
struct MediaSerializerDebug {
static inline base::Value Serialize(T value) {
return MediaSerializer<T>::Serialize(std::move(value));
}
};
// a special serializer for strings, because base::Value checks
// IsStringUTF8AllowingNoncharacters.
template <>
struct MediaSerializer<std::string> {
static inline base::Value Serialize(const std::string& string) {
if (base::IsStringUTF8AllowingNoncharacters(string))
return base::Value(string);
return base::Value("");
}
};
} // namespace internal
template <typename T>
base::Value MediaSerialize(const T& t) {
return internal::MediaSerializer<T>::Serialize(t);
}
template <typename T>
base::Value MediaSerializeForTesting(const T& t) {
return internal::MediaSerializerDebug<T>::Serialize(t);
}
} // namespace media
#endif // MEDIA_BASE_MEDIA_SERIALIZERS_BASE_H_