1 /*
2  * Copyright 2022 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 <map>
20 #include <vector>
21 
22 #include "parent_def.h"
23 
24 class PacketDependency {
25  private:
26   std::map<std::string, std::vector<std::string>> dependencies;
27   std::map<std::string, std::vector<std::string>> children_dependencies;
28 
29   std::set<std::string> CollectInitialParseAndMatchFields(
30       const ParentDef* parent,
31       std::map<std::string, std::set<std::string>>& initial_parse_and_match_fields) const;
32   void FinalizeParseAndMatchFields(
33       const ParentDef* parent,
34       std::map<std::string, std::set<std::string>>& initial_parse_and_match_fields,
35       std::vector<std::string>& available_fields);
36 
37  public:
38   PacketDependency(const ParentDef* root);
39   std::vector<std::string>& GetDependencies(const std::string& packet_name);
40   std::vector<std::string>& GetChildrenDependencies(const std::string& packet_name);
41 };
42