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1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <memory>
20 #include <optional>
21 #include <string>
22 #include <unordered_map>
23 #include <vector>
24 
25 namespace cuttlefish {
26 
27 class FlagInfo {
28  public:
29   using FlagInfoFieldMap = std::unordered_map<std::string, std::string>;
30   static std::unique_ptr<FlagInfo> Create(
31       const FlagInfoFieldMap& field_value_map);
Name()32   const std::string& Name() const { return name_; }
Type()33   const std::string& Type() const { return type_; }
34 
35  private:
36   // field_value_map must have needed fields; guaranteed by the factory
37   // function, static Create().
FlagInfo(const FlagInfoFieldMap & field_value_map)38   FlagInfo(const FlagInfoFieldMap& field_value_map)
39       : name_(field_value_map.at("name")), type_(field_value_map.at("type")) {}
40 
41   // TODO(kwstephenkim): add more fields
42   std::string name_;
43   std::string type_;
44 };
45 
46 using FlagInfoPtr = std::unique_ptr<FlagInfo>;
47 
48 std::optional<std::vector<FlagInfoPtr>> CollectFlagsFromHelpxml(
49     const std::string& xml_str);
50 
51 }  // namespace cuttlefish
52