Method _recognize

simcore/framework/src/cli/cli.hpp:6403–6421

Selects a Classifier enum based on the type of the current argument

  /// Selects a Classifier enum based on the type of the current argument
  detail::Classifier _recognize(const std::string &current, bool ignore_used_subcommands = true) const {
    std::string dummy1, dummy2;

    if (current == "--") return detail::Classifier::POSITIONAL_MARK;
    if (_valid_subcommand(current, ignore_used_subcommands)) return detail::Classifier::SUBCOMMAND;
    if (detail::split_long(current, dummy1, dummy2)) return detail::Classifier::LONG;
    if (detail::split_short(current, dummy1, dummy2)) {
      if (dummy1[0] >= '0' && dummy1[0] <= '9') {
        if (get_option_no_throw(std::string{'-', dummy1[0]}) == nullptr) {
          return detail::Classifier::NONE;
        }
      }
      return detail::Classifier::SHORT;
    }
    if ((allow_windows_style_options_) && (detail::split_windows_style(current, dummy1, dummy2)))
      return detail::Classifier::WINDOWS;
    if ((current == "++") && !name_.empty() && parent_ != nullptr) return detail::Classifier::SUBCOMMAND_TERMINATOR;
    return detail::Classifier::NONE;
  }

  // The parse function is now broken into several parts, and part of process