Files
SimControl/examples/modhelp.cpp
Henry Winkel 147125babf Squashed 'libs/cli11/' content from commit dcbcb47
git-subtree-dir: libs/cli11
git-subtree-split: dcbcb4721dda5dab0a56d9faaaee50e6a30f7758
2022-09-15 09:51:20 +02:00

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C++

// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#include <CLI/CLI.hpp>
#include <iostream>
#include <string>
int main(int argc, char **argv) {
CLI::App test{R"raw(Modify the help print so that argument values are accessible.
Note that this will not shortcut `->required` and other similar options.)raw"};
// Remove help flag because it shortcuts all processing
test.set_help_flag();
// Add custom flag that activates help
auto *help = test.add_flag("-h,--help", "Request help");
std::string some_option;
test.add_option("-a", some_option, "Some description");
try {
test.parse(argc, argv);
if(*help)
throw CLI::CallForHelp();
} catch(const CLI::Error &e) {
std::cout << "Option -a string in help: " << some_option << std::endl;
return test.exit(e);
}
std::cout << "Option -a string: " << some_option << std::endl;
return 0;
}