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 #include <string> 18 #include "utilities.h" 19 20 namespace OHOS { 21 namespace Developtools { 22 namespace HiPerf { 23 class SubCommand { 24 public: SubCommand(const std::string & name,const std::string & brief,const std::string & help)25 SubCommand(const std::string &name, const std::string &brief, const std::string &help) 26 : name_(name), brief_(brief), help_(help) 27 { 28 } 29 ~SubCommand()30 virtual ~SubCommand() {} 31 Name()32 const std::string &Name() const 33 { 34 return name_; 35 } Brief()36 const std::string &Brief() const 37 { 38 return brief_; 39 } Help()40 const std::string &Help() const 41 { 42 return help_; 43 } 44 45 // parse option first 46 bool OnSubCommandOptions(std::vector<std::string> args); 47 48 // some help cmd OnPreSubCommand()49 bool OnPreSubCommand() 50 { 51 if (showHelp_) { 52 printf("%s\n", Help().c_str()); 53 return true; 54 } 55 return false; 56 }; 57 DumpOptions()58 virtual void DumpOptions() const {} 59 60 // args should be empty after all the args processed ParseOption(std::vector<std::string> & args)61 virtual bool ParseOption(std::vector<std::string> &args) 62 { 63 args.clear(); // all the args is processed 64 return true; 65 } 66 67 // return false means cmd failed 68 virtual bool OnSubCommand(std::vector<std::string> &args) = 0; 69 // some test code will use this for simple OnSubCommand(std::string stringArgs)70 bool OnSubCommand(std::string stringArgs) 71 { 72 auto args = StringSplit(stringArgs, " "); 73 return OnSubCommand(args); 74 }; 75 76 // called from main 77 static bool RegisterSubCommand(std::string, std::unique_ptr<SubCommand>); 78 79 // get some cmd 80 static const std::map<std::string, std::unique_ptr<SubCommand>> &GetSubCommands(); 81 static SubCommand *FindSubCommand(std::string); 82 83 // for test code 84 static void ClearSubCommands(); 85 86 protected: 87 const std::string name_; 88 const std::string brief_; 89 std::string help_; 90 bool dumpOptions_ = false; 91 bool showHelp_ = false; 92 }; 93 } // namespace HiPerf 94 } // namespace Developtools 95 } // namespace OHOS 96 #endif // HIPERF_SUBCOMMAND_H_ 97