Cleaner runner.

This commit is contained in:
2019-09-12 12:18:47 +02:00
parent 5cead82bee
commit 54c704a821

View File

@@ -6,51 +6,55 @@
namespace po = boost::program_options;
struct AoCOptions {
int day;
bool part2;
aoc2019::solution_t implementation;
bool run_timer;
};
static AoCOptions parse_options(const int argc, const char *argv[]) {
AoCOptions options{};
int day;
bool part2;
po::options_description desc("Allowed options");
desc.add_options()
("day", po::value<int>(&options.day)->required(), "The day to run.")
("part2,2", po::bool_switch(&options.part2), "Whether to run part 2.")
("day", po::value<int>(&day)->required(), "The day to run.")
("part2,2", po::bool_switch(&part2), "Whether to run part 2.")
("timer,t", po::bool_switch(&options.run_timer), "Show the execution time.");
po::positional_options_description positionals;
positionals.add("day", 1);
po::variables_map vm;
try {
po::variables_map vm;
po::store(po::command_line_parser(argc, argv).options(desc).positional(positionals).run(), vm);
po::notify(vm);
po::store(po::command_line_parser(argc, argv).options(desc).positional(positionals).run(), vm);
po::notify(vm);
return options;
options.implementation = aoc2019::get_implementation(day, part2);
return options;
} catch (po::error &argument_error) {
std::cerr << argument_error.what() << std::endl;
std::exit(1);
} catch (std::out_of_range &) {
std::cerr << "Invalid day: " << day
<< ".\n Valid range: [1, 25].\n";
std::exit(1);
}
}
int main(int argc, const char *argv[]) {
try {
const auto options = parse_options(argc, argv);
const auto options = parse_options(argc, argv);
const aoc2019::solution_t solution = aoc2019::get_implementation(options.day, options.part2);
if (solution != nullptr) {
const auto start = std::chrono::high_resolution_clock::now();
solution(std::cin, std::cout);
if (options.run_timer) {
const std::chrono::duration<double> duration = std::chrono::high_resolution_clock::now() - start;
std::cerr << "Time taken: " << duration.count() << "s\n";
}
return 0;
} else {
std::cerr << "Unimplemented.\n";
return 1;
if (options.implementation != nullptr) {
const auto start = std::chrono::high_resolution_clock::now();
options.implementation(std::cin, std::cout);
if (options.run_timer) {
const std::chrono::duration<double> duration = std::chrono::high_resolution_clock::now() - start;
std::cerr << "Time taken: " << duration.count() << "s\n";
}
} catch (po::required_option &ignored) {
return 1;
} catch (std::out_of_range &ignored) {
std::cerr << "Invalid day.\n";
return 0;
} else {
std::cerr << "Unimplemented.\n";
return 1;
}
}