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Cleaner runner.

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Bert Peters
2019-09-12 12:18:47 +02:00
parent 5cead82bee
commit 54c704a821
1 changed files with 30 additions and 26 deletions
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56
2019/src/runner.cpp
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@@ -6,51 +6,55 @@
namespace po = boost::program_options; namespace po = boost::program_options;
struct AoCOptions { struct AoCOptions {
int day; aoc2019::solution_t implementation;
bool part2;
bool run_timer; bool run_timer;
}; };
static AoCOptions parse_options(const int argc, const char *argv[]) { static AoCOptions parse_options(const int argc, const char *argv[]) {
AoCOptions options{}; AoCOptions options{};
int day;
bool part2;
po::options_description desc("Allowed options"); po::options_description desc("Allowed options");
desc.add_options() desc.add_options()
("day", po::value<int>(&options.day)->required(), "The day to run.") ("day", po::value<int>(&day)->required(), "The day to run.")
("part2,2", po::bool_switch(&options.part2), "Whether to run part 2.") ("part2,2", po::bool_switch(&part2), "Whether to run part 2.")
("timer,t", po::bool_switch(&options.run_timer), "Show the execution time."); ("timer,t", po::bool_switch(&options.run_timer), "Show the execution time.");
po::positional_options_description positionals; po::positional_options_description positionals;
positionals.add("day", 1); 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::store(po::command_line_parser(argc, argv).options(desc).positional(positionals).run(), vm);
po::notify(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[]) { 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 (options.implementation != nullptr) {
if (solution != nullptr) { const auto start = std::chrono::high_resolution_clock::now();
const auto start = std::chrono::high_resolution_clock::now(); options.implementation(std::cin, std::cout);
solution(std::cin, std::cout); if (options.run_timer) {
if (options.run_timer) { const std::chrono::duration<double> duration = std::chrono::high_resolution_clock::now() - start;
const std::chrono::duration<double> duration = std::chrono::high_resolution_clock::now() - start; std::cerr << "Time taken: " << duration.count() << "s\n";
std::cerr << "Time taken: " << duration.count() << "s\n";
}
return 0;
} else {
std::cerr << "Unimplemented.\n";
return 1;
} }
} catch (po::required_option &ignored) { return 0;
return 1; } else {
} catch (std::out_of_range &ignored) { std::cerr << "Unimplemented.\n";
std::cerr << "Invalid day.\n";
return 1; return 1;
} }
} }