1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
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 
16 #ifndef SEHAP_CONTEXTS_TRIE_H
17 #define SEHAP_CONTEXTS_TRIE_H
18 
19 #include <string>
20 #include <unordered_map>
21 
22 typedef struct NodeTypeInfo {
23     bool isEnd = false;
24     std::string domain;
25     std::string type;
26 } NodeTypeInfo;
27 
28 class SehapContextsTrie {
29 public:
SehapContextsTrie()30     SehapContextsTrie() {};
~SehapContextsTrie()31     ~SehapContextsTrie() {};
32 
33     bool Insert(const std::string &paraName, const std::string &domain, const std::string &type);
34     std::string Search(const std::string &paraName, bool isDomain);
35     void Clear();
36 
37     NodeTypeInfo prefixInfo;
38     NodeTypeInfo matchedInfo;
39 
40 private:
41     std::vector<std::string> SplitString(const std::string &paraName);
42     SehapContextsTrie* FindChild(const std::string &element);
43     std::unordered_map<std::string, SehapContextsTrie *> children;
44 };
45 #endif // SEHAP_CONTEXTS_TRIE_H
46