// 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.

#ifndef API_LEVEL_H_
#define API_LEVEL_H_

#include <istream>
#include <map>
#include <optional>
#include <string>


namespace header_checker {
namespace utils {


using ApiLevel = int;

constexpr ApiLevel FUTURE_API_LEVEL = 10000;

class ApiLevelMap {
 public:
  ApiLevelMap() : codename_to_api_level_{{"current", FUTURE_API_LEVEL}} {}

  // Load a json object and return whether the operation succeeds.
  bool Load(std::istream &stream);

  std::optional<ApiLevel> Parse(const std::string &api) const;

 private:
  std::map<std::string, ApiLevel> codename_to_api_level_;
};


}  // namespace utils
}  // namespace header_checker


#endif  // API_LEVEL_H_