1 /* 2 * Copyright (C) 2017 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 FRAMEWORK_NATIVE_CMDS_LSHAL_COMMAND_H_ 18 #define FRAMEWORK_NATIVE_CMDS_LSHAL_COMMAND_H_ 19 20 #include "utils.h" 21 22 namespace android { 23 namespace lshal { 24 25 class Lshal; 26 27 // Base class for all *Commands 28 class Command { 29 public: Command(Lshal & lshal)30 Command(Lshal& lshal) : mLshal(lshal) {} 31 virtual ~Command() = default; 32 // Expect optind to be set by Lshal::main and points to the next argument 33 // to process. 34 virtual Status main(const Arg &arg) = 0; 35 36 virtual void usage() const = 0; 37 38 // e.g. "list" 39 virtual std::string getName() const = 0; 40 41 // e.g. "list HALs" 42 virtual std::string getSimpleDescription() const = 0; 43 44 protected: 45 Lshal& mLshal; 46 }; 47 48 49 } // namespace lshal 50 } // namespace android 51 52 #endif // FRAMEWORK_NATIVE_CMDS_LSHAL_LIST_COMMAND_H_ 53