Function search_node

src/traffic_ctl/FileConfigCommand.cc:122–150

}

std::pair<bool, YAML::Node>
search_node(swoc::TextView variable, YAML::Node root, bool create)
{
  auto const key{variable.take_prefix_at('.')};
  auto const key_str = std::string{key.data(), key.size()};
  if (variable.empty()) {
    if (root.IsMap() && root[key_str]) {
      return {true, root[key_str]};
    } else {
      if (create) {
        YAML::Node n;
        root[key_str] = n;
        return {true, n}; // new one created;
      } else {
        return NOT_FOUND;
      }
    }
  }
  if (!root[key_str]) {
    if (create) {
      YAML::Node n;
      root[key_str] = n;
      return search_node(variable, n, create);
    }
  } else {
    return search_node(variable, root[key_str], create);
  }
  return NOT_FOUND;
}
} // namespace

YAML::Node