/**

* License: Apache 2.0 with LLVM Exception or GPL v3

*

* Author: Jesse Laning

*/

#include <iostream>

#include <iterator>

#include "argparse.h"

using namespace argparse;

int main(int argc, const char* argv[]) {

ArgumentParser parser("example", "Argument parser example");

parser.add_argument()

.names({"-v", "--verbose"})

.description("verbose level")

.required(true);

parser.add_argument("-t", "--test", "test", true)

.position(ArgumentParser::Argument::Position::LAST);

parser.add_argument("-d", "--dtest", "dtest", true).position(0);

parser.enable_help();

auto err = parser.parse(argc, argv);

if (err) {

std::cout << err << std::endl;

return -1;

}

if (parser.exists("help")) {

parser.print_help();

return 0;

}

if (parser.exists("v")) {

switch (parser.get<unsigned int>("v")) {

case 2:

std::cout << "an even more verbose string" << std::endl;

#ifdef __clang__

[[clang::fallthrough]];

#endif

// fall through

case 1:

std::cout << "a verbose string" << std::endl;

#ifdef __clang__

[[clang::fallthrough]];

#endif

// fall through

default:

std::cout << "some verbosity" << std::endl;

}

}

if (parser.exists("test")) {

std::cout << parser.get<std::string>("test") << std::endl;

}

if (parser.exists("dtest")) {

std::cout << parser.get<std::string>("dtest") << std::endl;

}

}