1 /*
2  * Copyright (C) 2010 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 #ifndef _INIT_INIT_PARSER_H_
18 #define _INIT_INIT_PARSER_H_
19 
20 #include <map>
21 #include <string>
22 #include <vector>
23 
24 class SectionParser {
25 public:
~SectionParser()26     virtual ~SectionParser() {
27     }
28     virtual bool ParseSection(const std::vector<std::string>& args,
29                               std::string* err) = 0;
30     virtual bool ParseLineSection(const std::vector<std::string>& args,
31                                   const std::string& filename, int line,
32                                   std::string* err) const = 0;
33     virtual void EndSection() = 0;
34     virtual void EndFile(const std::string& filename) = 0;
35 };
36 
37 class Parser {
38 public:
39     static Parser& GetInstance();
40     void DumpState() const;
41     bool ParseConfig(const std::string& path);
42     void AddSectionParser(const std::string& name,
43                           std::unique_ptr<SectionParser> parser);
44 
45 private:
46     Parser();
47 
48     void ParseData(const std::string& filename, const std::string& data);
49     bool ParseConfigFile(const std::string& path);
50     bool ParseConfigDir(const std::string& path);
51 
52     std::map<std::string, std::unique_ptr<SectionParser>> section_parsers_;
53 };
54 
55 #endif
56