Method parse

src/driver/argument_parser.hpp:646–696

    }

    bool parse(const std::vector<std::string>& args)
    {
        std::unordered_map<std::string, unsigned> keywords;
        for(auto&& arg : arguments)
        {
            for(auto&& flag : arg.flags)
                keywords[flag] = arg.nargs + 1;
        }
        auto arg_map = generic_parse(args, [&](const std::string& x) { return keywords[x]; });
        std::list<const argument*> missing_arguments;
        std::unordered_set<std::string> groups_used;
        for(auto&& arg : arguments)
        {
            bool used  = false;
            auto flags = arg.flags;
            if(flags.empty())
                flags = {""};
            for(auto&& flag : flags)
            {
                if(arg_map.count(flag) > 0)
                {
                    if(run_action(arg, flag, arg_map[flag]))
                        return true;
                    used = true;
                }
            }
            if(used and not arg.group.empty())
                groups_used.insert(arg.group);
            if(arg.required and not used)
                missing_arguments.push_back(&arg);
        }
        // Remove arguments from a group that is being used
        missing_arguments.remove_if(
            [&](const argument* arg) { return groups_used.count(arg->group); });
        if(not missing_arguments.empty())
        {
            std::cout << color::fg_red << color::bold << "error: " << color::reset;
            std::cout << "The following required arguments were not provided:" << std::endl;
            std::cout << "       " << color::fg_red
                      << join_strings(get_argument_usages(std::move(missing_arguments)), " ")
                      << color::reset << std::endl;
            std::cout << std::endl;
            auto required_usages = get_argument_usages(get_required_arguments());
            print_usage(required_usages);
            print_try_help();
            return true;
        }
        for(auto&& action : actions)
            action(*this);
        return false;
    }

    void set_exe_name(const std::string& s) { exe_name = s; }