Method to_config

simcore/framework/src/cli/cli.hpp:7766–7850

}

inline std::string ConfigBase::to_config(const App *app, bool default_also, bool write_description,
                                         std::string prefix) const {
  std::stringstream out;
  std::string commentLead;
  commentLead.push_back(commentChar);
  commentLead.push_back(' ');

  std::vector<std::string> groups = app->get_groups();
  bool defaultUsed = false;
  groups.insert(groups.begin(), std::string("Options"));
  if (write_description) {
    out << commentLead << app->get_description() << '\n';
  }
  for (auto &group : groups) {
    if (group == "Options" || group.empty()) {
      if (defaultUsed) {
        continue;
      }
      defaultUsed = true;
    }
    if (write_description && group != "Options" && !group.empty()) {
      out << '\n' << commentLead << group << " Options\n";
    }
    for (const Option *opt : app->get_options({})) {
      // Only process option with a long-name and configurable
      if (!opt->get_lnames().empty() && opt->get_configurable()) {
        if (opt->get_group() != group) {
          if (!(group == "Options" && opt->get_group().empty())) {
            continue;
          }
        }
        std::string name = prefix + opt->get_lnames()[0];
        std::string value = detail::ini_join(opt->reduced_results(), arraySeparator, arrayStart, arrayEnd);

        if (value.empty() && default_also) {
          if (!opt->get_default_str().empty()) {
            value = detail::convert_arg_for_ini(opt->get_default_str());
          } else if (opt->get_expected_min() == 0) {
            value = "false";
          }
        }

        if (!value.empty()) {
          if (write_description && opt->has_description()) {
            out << '\n';
            out << commentLead << detail::fix_newlines(commentLead, opt->get_description()) << '\n';
          }
          out << name << valueDelimiter << value << '\n';
        }
      }
    }
  }
  auto subcommands = app->get_subcommands({});
  for (const App *subcom : subcommands) {
    if (subcom->get_name().empty()) {
      if (write_description && !subcom->get_group().empty()) {
        out << '\n' << commentLead << subcom->get_group() << " Options\n";
      }