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
22namespace android {
23namespace lshal {
24
25class Lshal;
26
27// Base class for all *Commands
28class Command {
29public:
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
44protected:
45    Lshal& mLshal;
46};
47
48
49}  // namespace lshal
50}  // namespace android
51
52#endif  // FRAMEWORK_NATIVE_CMDS_LSHAL_LIST_COMMAND_H_
53