1/*
2 * Copyright (C) 2015 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 SIMPLE_PERF_COMMAND_H_
18#define SIMPLE_PERF_COMMAND_H_
19
20#include <functional>
21#include <memory>
22#include <string>
23#include <vector>
24
25#include <android-base/macros.h>
26
27class Command {
28 public:
29  Command(const std::string& name, const std::string& short_help_string,
30          const std::string& long_help_string)
31      : name_(name), short_help_string_(short_help_string), long_help_string_(long_help_string) {
32  }
33
34  virtual ~Command() {
35  }
36
37  const std::string& Name() const {
38    return name_;
39  }
40
41  const std::string& ShortHelpString() const {
42    return short_help_string_;
43  }
44
45  const std::string LongHelpString() const {
46    return long_help_string_;
47  }
48
49  virtual bool Run(const std::vector<std::string>& args) = 0;
50
51 protected:
52  bool NextArgumentOrError(const std::vector<std::string>& args, size_t* pi);
53  void ReportUnknownOption(const std::vector<std::string>& args, size_t i);
54
55 private:
56  const std::string name_;
57  const std::string short_help_string_;
58  const std::string long_help_string_;
59
60  DISALLOW_COPY_AND_ASSIGN(Command);
61};
62
63void RegisterCommand(const std::string& cmd_name,
64                     const std::function<std::unique_ptr<Command>(void)>& callback);
65void UnRegisterCommand(const std::string& cmd_name);
66std::unique_ptr<Command> CreateCommandInstance(const std::string& cmd_name);
67const std::vector<std::string> GetAllCommandNames();
68bool RunSimpleperfCmd(int argc, char** argv);
69
70#endif  // SIMPLE_PERF_COMMAND_H_
71