// Copyright 2017 Google Inc. All rights reserved.

//

// 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.

#include "src/text_format.h"

#include "port/protobuf.h"

namespace protobuf_mutator {

using protobuf::Message;

using protobuf::TextFormat;

bool ParseTextMessage(const uint8_t* data, size_t size, Message* output) {

  return ParseTextMessage({reinterpret_cast<const char*>(data), size}, output);

}

bool ParseTextMessage(const std::string& data, protobuf::Message* output) {

  output->Clear();

  TextFormat::Parser parser;

  parser.SetRecursionLimit(100);

  parser.AllowPartialMessage(true);

  parser.AllowUnknownField(true);

  if (!parser.ParseFromString(data, output)) {

    output->Clear();

    return false;

  }

  return true;

}

size_t SaveMessageAsText(const Message& message, uint8_t* data,

                         size_t max_size) {

  std::string result = SaveMessageAsText(message);

  if (result.size() <= max_size) {

    memcpy(data, result.data(), result.size());

    return result.size();

  }

  return 0;

}

std::string SaveMessageAsText(const protobuf::Message& message) {

  String tmp;

  if (!protobuf::TextFormat::PrintToString(message, &tmp)) return {};

  return tmp;

}

}  // namespace protobuf_mutator