Method gen_help

src/common/cmdargparser.cpp:875–910

std::string SingleCommand::gen_help(const std::string arg0)
{
    std::stringstream r;
    r << arg0 << ": " << command << " - " << description << std::endl;
    r << std::endl;

    std::stringstream cmt_before;
    for (const auto &c : comments)
    {
        cmt_before << c.GetComment(CommentPlacement::BEFORE_OPTS);
    }
    if (!cmt_before.str().empty())
    {
        r << cmt_before.str() << std::endl;
    }

    for (const auto &opt : options)
    {
        for (const auto &l : opt->gen_help_line())
        {
            r << "   " << l << std::endl;
        }
    }

    std::stringstream cmt_after;
    for (const auto &c : comments)
    {
        cmt_after << c.GetComment(CommentPlacement::AFTER_OPTS);
    }
    if (!cmt_after.str().empty())
    {
        r << std::endl
          << cmt_after.str();
    }
    return r.str();
}