Function GetString

env/env_yaml.cc:91–102

}

std::string GetString(absl::string_view yaml, const YAML::Node& node) {
  if (!node.IsDefined() || !node.IsScalar()) {
    return "";
  }
  try {
    return node.as<std::string>();
  } catch (YAML::Exception& e) {
    // This should never happen since we already checked that the node is a
    // scalar and all scalars can be converted to strings.
    return "";
  }
}

bool IsBinary(const YAML::Node& node) {
  return node.Tag() == "!!binary" || node.Tag() == "tag:yaml.org,2002:binary";