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 <string>
21 #include <vector>
22 
23 #include <base/macros.h>
24 
25 class Command {
26  public:
Command(const std::string & name,const std::string & short_help_string,const std::string & long_help_string)27   Command(const std::string& name, const std::string& short_help_string,
28           const std::string& long_help_string)
29       : name_(name), short_help_string_(short_help_string), long_help_string_(long_help_string) {
30     RegisterCommand(this);
31   }
32 
~Command()33   virtual ~Command() {
34     UnRegisterCommand(this);
35   }
36 
Name()37   const std::string& Name() const {
38     return name_;
39   }
40 
ShortHelpString()41   const std::string& ShortHelpString() const {
42     return short_help_string_;
43   }
44 
LongHelpString()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   static Command* FindCommandByName(const std::string& cmd_name);
52   static const std::vector<Command*>& GetAllCommands();
53 
54  private:
55   const std::string name_;
56   const std::string short_help_string_;
57   const std::string long_help_string_;
58 
59   static void RegisterCommand(Command* cmd);
60   static void UnRegisterCommand(Command* cmd);
61 
62   DISALLOW_COPY_AND_ASSIGN(Command);
63 };
64 
65 #endif  // SIMPLE_PERF_COMMAND_H_
66