gctl_examples/examples/flags_parser_ex.cpp
2024-09-10 20:19:20 +08:00

70 lines
3.2 KiB
C++

/********************************************************
* ██████╗ ██████╗████████╗██╗
* ██╔════╝ ██╔════╝╚══██╔══╝██║
* ██║ ███╗██║ ██║ ██║
* ██║ ██║██║ ██║ ██║
* ╚██████╔╝╚██████╗ ██║ ███████╗
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
* Geophysical Computational Tools & Library (GCTL)
*
* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
*
* GCTL is distributed under a dual licensing scheme. You can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either version 2
* of the License, or (at your option) any later version. You should have
* received a copy of the GNU Lesser General Public License along with this
* program. If not, see <http://www.gnu.org/licenses/>.
*
* If the terms and conditions of the LGPL v.2. would prevent you from using
* the GCTL, please consider the option to obtain a commercial license for a
* fee. These licenses are offered by the GCTL's original author. As a rule,
* licenses are provided "as-is", unlimited in time for a one time fee. Please
* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
* to include some description of your company and the realm of its activities.
* Also add information on how to contact you by electronic and paper mail.
******************************************************/
#include "gctl/utility.h"
int main(int argc, char *argv[])
{
try{
int on_screen = 0;
// 配置命令行参数与相关信息
gctl::flags_parser fp;
fp.set_proname("Test_Pro");
fp.set_proinfo("This is an example of the flags_parser class.");
fp.add_opt('i', "infile", required_argument, NULL, "Input file name.", "<filename>", true);
fp.add_opt('o', "outfile", required_argument, NULL, "Output file name.", "<filename>", true);
fp.add_opt('r', "range", required_argument, NULL, "Griding range.", "<xmin>/<xmax>/<ymin>/<ymax>", false);
fp.add_opt('f', "filter", optional_argument, NULL, "Applying filter. A name may attached to the option", "[filer-name]", false);
fp.add_opt(1, "screen", no_argument, &on_screen, "Show screen.", 0, false); // 不需要特别去拾取 只要触发getopt_long就会自动被识别
fp.add_opt('h', "help", no_argument, NULL, "Show help information.", 0, false);
fp.configure(argc, argv);
if(argc == 1 || fp.set_opt("help"))
{
fp.show_help_page();
return 0;
}
std::string in_name, out_name, range, filter;
fp.get_argv({'i', 'o', 'r', 'f'}, {&in_name, &out_name, &range, &filter});
if (filter == "NO_ARG") filter = "Gaussian";
// 查看是否通过强制参数检查
if (!fp.pass_mandatory()) return 0;
std::cout << in_name << std::endl;
std::cout << out_name << std::endl;
std::cout << range << std::endl;
std::cout << filter << std::endl;
if (on_screen) std::cout << "-s option is set." << std::endl;
}
catch(std::exception &e)
{
GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}
return 0;
}