From cb1dc1eba6e129e01b70572a6eac681e63d50c26 Mon Sep 17 00:00:00 2001 From: "Taylor C. Richberger" Date: Thu, 5 May 2016 13:30:35 -0600 Subject: fix readme example --- README.md | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'README.md') diff --git a/README.md b/README.md index 2ff204d..a3b0989 100644 --- a/README.md +++ b/README.md @@ -189,6 +189,43 @@ Group validation failed somewhere! ## Argument flags, Positional arguments, lists ```c++ +#include +#include +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 integer(parser, "integer", "The integer flag", args::Matcher({'i'})); + args::ArgFlagList characters(parser, "characters", "The character flag", args::Matcher({'c'})); + args::PosArg foo(parser, "foo", "The foo position"); + args::PosArgList 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 -- cgit v1.2.1