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
24class SectionParser {
25public:
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
37class Parser {
38public:
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
45private:
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