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 27 class Command { 28 public: Command(const std::string & name,const std::string & short_help_string,const std::string & long_help_string)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 ~Command()34 virtual ~Command() { 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 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 63 void RegisterCommand(const std::string& cmd_name, 64 const std::function<std::unique_ptr<Command>(void)>& callback); 65 void UnRegisterCommand(const std::string& cmd_name); 66 std::unique_ptr<Command> CreateCommandInstance(const std::string& cmd_name); 67 const std::vector<std::string> GetAllCommandNames(); 68 69 #endif // SIMPLE_PERF_COMMAND_H_ 70