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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -189,6 +189,43 @@ Group validation failed somewhere! ## Argument flags, Positional arguments, lists ```c++ +#include <iostream> +#include <args.hxx> +int main(int argc, char **argv) +{ + args::ArgumentParser parser("This is a test program.", "This goes after the options."); + args::HelpFlag help(parser, "help", "Display this help menu", args::Matcher({'h'}, {"help"})); + args::ArgFlag<int> integer(parser, "integer", "The integer flag", args::Matcher({'i'})); + args::ArgFlagList<char> characters(parser, "characters", "The character flag", args::Matcher({'c'})); + args::PosArg<std::string> foo(parser, "foo", "The foo position"); + args::PosArgList<double> numbers(parser, "numbers", "The numbers position list"); + try + { + parser.ParseCLI(argc, argv); + } + catch (args::Help) + { + std::cout << parser.Help(); + return 0; + } + catch (args::ParseError e) + { + std::cerr << e.what() << std::endl; + std::cerr << parser.Help(); + return 1; + } + catch (args::ValidationError e) + { + std::cerr << e.what() << std::endl; + std::cerr << parser.Help(); + return 1; + } + if (integer) { std::cout << "i: " << integer.value << std::endl; } + if (characters) { for (const auto ch: characters.values) { std::cout << "c: " << ch << std::endl; } } + if (foo) { std::cout << "f: " << foo.value << std::endl; } + if (numbers) { for (const auto nm: numbers.values) { std::cout << "n: " << nm << std::endl; } } + return 0; +} ``` ```shell |