1 /* 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef HIPERF_SUBCOMMAND_H_ 16 #define HIPERF_SUBCOMMAND_H_ 17 18 #include <cstdlib> 19 #include <string> 20 #include "utilities.h" 21 22 namespace OHOS { 23 namespace Developtools { 24 namespace HiPerf { 25 class SubCommand { 26 public: SubCommand(const std::string & name,const std::string & brief,const std::string & help)27 SubCommand(const std::string &name, const std::string &brief, const std::string &help) 28 : name_(name), brief_(brief), help_(help) 29 { 30 } 31 ~SubCommand()32 virtual ~SubCommand() {} 33 Name()34 const std::string &Name() const 35 { 36 return name_; 37 } Brief()38 const std::string &Brief() const 39 { 40 return brief_; 41 } Help()42 const std::string &Help() const 43 { 44 return help_; 45 } 46 47 // parse option first 48 bool OnSubCommandOptions(std::vector<std::string> args); 49 50 // some help cmd OnPreSubCommand()51 bool OnPreSubCommand() 52 { 53 if (showHelp_) { 54 printf("%s\n", Help().c_str()); 55 return true; 56 } 57 return false; 58 }; 59 DumpOptions()60 virtual void DumpOptions() const {}; 61 62 // args should be empty after all the args processed ParseOption(std::vector<std::string> & args)63 virtual bool ParseOption(std::vector<std::string> &args) 64 { 65 args.clear(); // all the args is processed 66 return true; 67 } 68 69 // return false means cmd failed 70 virtual bool OnSubCommand(std::vector<std::string> &args) = 0; 71 // some test code will use this for simple OnSubCommand(std::string stringArgs)72 bool OnSubCommand(std::string stringArgs) 73 { 74 auto args = StringSplit(stringArgs, " "); 75 return OnSubCommand(args); 76 }; 77 78 // called from main 79 static bool RegisterSubCommand(std::string, std::unique_ptr<SubCommand>); 80 81 // get some cmd 82 static const std::map<std::string, std::unique_ptr<SubCommand>> &GetSubCommands(); 83 static SubCommand *FindSubCommand(std::string); 84 85 // for test code 86 static void ClearSubCommands(); 87 88 protected: 89 const std::string name_; 90 const std::string brief_; 91 std::string help_; 92 bool dumpOptions_ = false; 93 bool showHelp_ = false; 94 }; 95 } // namespace HiPerf 96 } // namespace Developtools 97 } // namespace OHOS 98 #endif