1 // Copyright (C) 2019 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef API_LEVEL_H_ 16 #define API_LEVEL_H_ 17 18 #include <istream> 19 #include <map> 20 #include <optional> 21 #include <string> 22 23 24 namespace header_checker { 25 namespace utils { 26 27 28 using ApiLevel = int; 29 30 constexpr ApiLevel FUTURE_API_LEVEL = 10000; 31 32 class ApiLevelMap { 33 public: ApiLevelMap()34 ApiLevelMap() : codename_to_api_level_{{"current", FUTURE_API_LEVEL}} {} 35 36 // Load a json object and return whether the operation succeeds. 37 bool Load(std::istream &stream); 38 39 std::optional<ApiLevel> Parse(const std::string &api) const; 40 41 private: 42 std::map<std::string, ApiLevel> codename_to_api_level_; 43 }; 44 45 46 } // namespace utils 47 } // namespace header_checker 48 49 50 #endif // API_LEVEL_H_ 51