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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <string>
#include <jsonpb/error_or.h>
#include <google/protobuf/message.h>
namespace android {
namespace jsonpb {
namespace internal {
ErrorOr<std::monostate> JsonStringToMessage(const std::string& content,
google::protobuf::Message* message);
} // namespace internal
// TODO: JsonStringToMessage is a newly added function in protobuf
// and is not yet available in the android tree. Replace this function with
// https://developers.google.com/protocol-buffers/docs/reference/cpp/google.protobuf.util.json_util#JsonStringToMessage.details
// when the android tree gets updated
template <typename T>
ErrorOr<T> JsonStringToMessage(const std::string& content) {
ErrorOr<T> ret;
auto error = internal::JsonStringToMessage(content, &*ret);
if (!error.ok()) {
return MakeError<T>(error.error());
}
return ret;
}
// TODO: MessageToJsonString is a newly added function in protobuf
// and is not yet available in the android tree. Replace this function with
// https://developers.google.com/protocol-buffers/docs/reference/cpp/google.protobuf.util.json_util#MessageToJsonString.details
// when the android tree gets updated.
//
// The new MessageToJsonString also allows preserving proto field names. However,
// the function here can't. Hence, a field name "foo_bar" without json_name option
// will be "fooBar" in the final output. Additional checks are needed to ensure
// that doesn't happen.
ErrorOr<std::string> MessageToJsonString(const google::protobuf::Message& message);
} // namespace jsonpb
} // namespace android
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