#882

Committed 31 Aug 2023 07:44PM UTC coverage: 41.798% (-44.7%) from 86.546%

Build # #882

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0.0

/libs/core/program_options/examples/first.cpp

// Copyright Vladimir Prus 2002-2004.
//  SPDX-License-Identifier: BSL-1.0
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)

/* The simplest usage of the library.
 */

#include <hpx/modules/program_options.hpp>

#include <iostream>

#include <hpx/config/warnings_prefix.hpp>

namespace po = hpx::program_options;
using namespace std;

int main(int ac, char* av[])
{
    try
    {
        po::options_description desc("Allowed options");
        // clang-format off
        desc.add_options()
            ("help", "produce help message")
            ("compression", po::value<double>(), "set compression level")
        ;
        // clang-format on

        po::variables_map vm;
        po::store(po::command_line_parser(ac, av)
                      .allow_unregistered()
                      .options(desc)
                      .run(),
            vm);
        po::notify(vm);

        if (vm.count("help"))
        {
            cout << desc << "\n";
            return 0;
        }

        if (vm.count("compression"))
        {
            cout << "Compression level was set to "
                 << vm["compression"].as<double>() << ".\n";
        }
        else
        {
            cout << "Compression level was not set.\n";
        }
    }
    catch (exception const& e)
    {
        cerr << "error: " << e.what() << "\n";
        return 1;
    }
    catch (...)
    {
        cerr << "Exception of unknown type!\n";
    }
    return 0;
}

1	// Copyright Vladimir Prus 2002-2004.
2	// SPDX-License-Identifier: BSL-1.0
3	// Distributed under the Boost Software License, Version 1.0.
4	// (See accompanying file LICENSE_1_0.txt
5	// or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7	/* The simplest usage of the library.
8	*/
9
10	#include <hpx/modules/program_options.hpp>
11
12	#include <iostream>
13
14	#include <hpx/config/warnings_prefix.hpp>
15
16	namespace po = hpx::program_options;
17	using namespace std;	×
18
19	int main(int ac, char* av[])
20	{
21	try	×
22	{
23	po::options_description desc("Allowed options");	×
24	// clang-format off	×
25	desc.add_options()	×
26	("help", "produce help message")
27	("compression", po::value<double>(), "set compression level")
28	;
29	// clang-format on	×
30		×
31	po::variables_map vm;
32	po::store(po::command_line_parser(ac, av)
33	.allow_unregistered()	×
34	.options(desc)
35	.run(),	×
36	vm);
37	po::notify(vm);	×
38
39	if (vm.count("help"))	×
40	{
41	cout << desc << "\n";
42	return 0;
43	}	×
44
45	if (vm.count("compression"))
46	{	×
47	cout << "Compression level was set to "
48	<< vm["compression"].as<double>() << ".\n";
49	}
50	else	×
51	{
52	cout << "Compression level was not set.\n";	×
53	}	×
54	}
55	catch (exception const& e)	×
56	{
57	cerr << "error: " << e.what() << "\n";	×
58	return 1;	×
59	}
60	catch (...)	×
61	{	×
62	cerr << "Exception of unknown type!\n";
63	}
64	return 0;
65	}

STEllAR-GROUP / hpx / #882

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