1 /*
2  * Copyright (c) 2023 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 
16 #include "setresolution_utils.h"
17 
18 #include <getopt.h>
19 #include <iostream>
20 #include <string>
21 
22 namespace OHOS {
PrintUsage(const std::string & cmdLine)23 void SetResolutionUtils::PrintUsage(const std::string& cmdLine)
24 {
25     std::cout << "usage: " << cmdLine.c_str() <<
26         " [-w width] [-h height] [-d dpi] [-m]" << std::endl;
27 }
28 
ProcessArgs(int argc,char * const argv[],CmdArgments & cmdArgments)29 bool SetResolutionUtils::ProcessArgs(int argc, char * const argv[], CmdArgments& cmdArgments)
30 {
31     int opt = 0;
32     const struct option longOption[] = {
33         { "width", required_argument, nullptr, 'w' },
34         { "height", required_argument, nullptr, 'h' },
35         { "dpi", required_argument, nullptr, 'd' },
36         { "help", required_argument, nullptr, 'm' },
37         { nullptr, 0, nullptr, 0 }
38     };
39     while ((opt = getopt_long(argc, argv, "w:h:d:m", longOption, nullptr)) != -1) {
40         switch (opt) {
41             case 'w': // output width
42                 cmdArgments.width = static_cast<uint32_t>(atoi(optarg));
43                 cmdArgments.isWidthSet = true;
44                 break;
45             case 'h': // output height
46                 cmdArgments.height = static_cast<uint32_t>(atoi(optarg));
47                 cmdArgments.isHeightSet = true;
48                 break;
49             case 'd': // output dpi
50                 cmdArgments.dpi = static_cast<uint32_t>(atoi(optarg));
51                 cmdArgments.isDpiSet = true;
52                 break;
53             case 'm': // help
54             default:
55                 SetResolutionUtils::PrintUsage(argv[0]);
56                 return false;
57         }
58     }
59     return true;
60 }
61 }