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#include <seqan3/argument_parser/all.hpp>
#include <seqan3/range/views/all.hpp>
#include <seqan3/range/views/get.hpp>
namespace foo
{
enum class bar
{
one,
two,
three
};
// Specialise a mapping from an identifying string to the respective value of your type bar.
auto enumeration_names(bar)
{
return std::unordered_map<std::string_view, bar>{{"one", bar::one}, {"two", bar::two}, {"three", bar::three}};;
}
} // namespace foo
int main(int argc, char const * argv[])
{
foo::bar value{};
seqan3::argument_parser parser{"my_program", argc, argv};
// Because of the enumeration_names function
// you can now add an option that takes a value of type bar:
parser.add_option(value, 'f', "foo", "Give me a foo value.", seqan3::option_spec::DEFAULT,
seqan3::value_list_validator{(seqan3::enumeration_names<foo::bar> | seqan3::views::get<1>)});
try
{
parser.parse();
}
catch (seqan3::argument_parser_error const & ext) // the user did something wrong
{
std::cerr << "[PARSER ERROR] " << ext.what() << "\n"; // customize your error message
return -1;
}
}
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