Function EncodeJSONPrimitive

utilities/document/document_db.cc:302–332

encodes simple JSON members (meaning string, integer, etc) the end result of this will be lexicographically compared to each other

// encodes simple JSON members (meaning string, integer, etc)
// the end result of this will be lexicographically compared to each other
bool EncodeJSONPrimitive(const JSONDocument& json, std::string* dst) {
  // TODO(icanadi) revise this at some point, have a custom comparator
  switch (json.type()) {
    case JSONDocument::kNull:
      dst->push_back(kNull);
      break;
    case JSONDocument::kBool:
      dst->push_back(kBool);
      dst->push_back(static_cast<char>(json.GetBool()));
      break;
    case JSONDocument::kDouble:
      dst->push_back(kDouble);
      PutFixed64(dst, static_cast<uint64_t>(json.GetDouble()));
      break;
    case JSONDocument::kInt64:
      dst->push_back(kInt64);
      {
        auto val = json.GetInt64();
        dst->push_back((val < 0) ? '0' : '1');
        PutFixed64(dst, static_cast<uint64_t>(val));
      }
      break;
    case JSONDocument::kString:
      dst->push_back(kString);
      dst->append(json.GetString());
      break;
    default:
      return false;
  }
  return true;
}

}  // namespace