Method fromJson

source/game/StarVersioningDatabase.cpp:46–54

}

VersionedJson VersionedJson::fromJson(Json const& source) {
  // Old versions of VersionedJson used '__' to distinguish between actual
  // content and versioned content, but this is no longer necessary or
  // relevant.
  auto id = source.optString("id").orMaybe(source.optString("__id"));
  auto version = source.optUInt("version").orMaybe(source.optUInt("__version"));
  auto content = source.opt("content").orMaybe(source.opt("__content"));
  return {*id, (VersionNumber)*version, *content};
}

bool VersionedJson::empty() const {
  return content.isNull();