Home | History | Annotate | Download | only in simpleperf
      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:
     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 
     33   virtual ~Command() {
     34     UnRegisterCommand(this);
     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   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