Method validate

lib/config/config.cc:221–269

}

std::vector<std::string> Config::validate()
{
    std::vector<std::string> results;

    /* Ensure that only one item in each group is set. */

    std::map<const OptionGroupProto*, const OptionProto*> optionsByGroup;
    for (auto& [group, option, hasArgument] : _appliedOptions)
        if (group)
        {
            auto& o = optionsByGroup[group];
            if (o)
                results.push_back(
                    fmt::format("multiple mutually exclusive values set for "
                                "group '{}': valid values are: {}",
                        group->comment(),
                        getValidValues(*group)));
            o = option;
        }

    /* Ensure that every group has an option set. */

    for (const auto& group : base()->option_group())
    {
        if (!optionsByGroup.contains(&group))
        {
            results.push_back(
                fmt::format("no value set for group '{}': valid values are: {}",
                    group.comment(),
                    getValidValues(group)));
        }
    }

    /* Check option requirements. */

    for (auto [group, option, hasArgument] : _appliedOptions)
    {
        try
        {
            checkOptionValid(*option);
        }
        catch (const InapplicableOptionException& e)
        {
            results.push_back(e.message);
        }
    }

    return results;
}

void Config::validateAndThrow()
{