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 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 "command_parse.h"
17 #include <getopt.h>
18 #include <iostream>
19 namespace {
20 static struct option g_longOptions[] = {
21 {"width", required_argument, nullptr, static_cast<int>(MyOptIndex::OPT_INDEX_WIDTH)},
22 {"height", required_argument, nullptr, static_cast<int>(MyOptIndex::OPT_INDEX_HEIGHT)},
23 {"in", required_argument, nullptr, static_cast<int>(MyOptIndex::OPT_INDEX_INPUT)},
24 {"out", required_argument, nullptr, static_cast<int>(MyOptIndex::OPT_INDEX_OUTPUT)},
25 {"help", no_argument, nullptr, static_cast<int>(MyOptIndex::OPT_INDEX_HELP)},
26 {nullptr, 0, nullptr, static_cast<int>(MyOptIndex::OPT_INDEX_UNKONWN)}};
27 }
28
Parse(int argc,char * argv[],CommandOpt & opt)29 bool CommandParse::Parse(int argc, char *argv[], CommandOpt &opt)
30 {
31 while (1) {
32 int optionIndex = 0;
33 int c = getopt_long(argc, argv, "i:o:w:h:", g_longOptions, &optionIndex);
34 if (c == -1) {
35 break;
36 }
37 MyOptIndex index = static_cast<MyOptIndex>(c);
38 switch (index) {
39 case MyOptIndex::OPT_INDEX_INPUT:
40 opt.fileInput = optarg;
41 break;
42 case MyOptIndex::OPT_INDEX_OUTPUT:
43 opt.fileOutput = optarg;
44 break;
45 case MyOptIndex::OPT_INDEX_WIDTH:
46 opt.width = std::stoi(optarg);
47 break;
48 case MyOptIndex::OPT_INDEX_HEIGHT:
49 opt.height = std::stoi(optarg);
50 break;
51 default:
52 ShowUsage();
53 break;
54 }
55 }
56 if (opt.fileInput == "" || opt.fileOutput == "" || opt.width == 0 || opt.height == 0) {
57 return false;
58 }
59 return true;
60 }
61
ShowUsage()62 void CommandParse::ShowUsage()
63 {
64 std::cout << "Options:" << std::endl;
65 std::cout << " --help Print this help info." << std::endl;
66 std::cout << " -w, --width=width The video width." << std::endl;
67 std::cout << " -h, --height=height The video height." << std::endl;
68 std::cout << " -o, --out=FILE The file name for output file." << std::endl;
69 std::cout << " -i, --in=FILE The file name for input file." << std::endl;
70 }
71