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