Method ConvertToJson

common/legacy_value.cc:431–468

}

absl::Status LegacyListValue::ConvertToJson(
    const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,
    google::protobuf::MessageFactory* absl_nonnull message_factory,
    google::protobuf::Message* absl_nonnull json) const {
  {
    ABSL_DCHECK(descriptor_pool != nullptr);
    ABSL_DCHECK(message_factory != nullptr);
    ABSL_DCHECK(json != nullptr);
    ABSL_DCHECK_EQ(json->GetDescriptor()->well_known_type(),
                   google::protobuf::Descriptor::WELLKNOWNTYPE_VALUE);

    google::protobuf::Arena arena;
    const google::protobuf::Message* wrapped =
        MaybeWrapValueToMessage(json->GetDescriptor(), message_factory,
                                CelValue::CreateList(impl_), &arena);
    if (wrapped == nullptr) {
      return absl::UnknownError("failed to convert legacy list to JSON");
    }

    if (wrapped->GetDescriptor() == json->GetDescriptor()) {
      // We can directly use google::protobuf::Message::Copy().
      json->CopyFrom(*wrapped);
    } else {
      // Equivalent descriptors but not identical. Must serialize and
      // deserialize.
      absl::Cord serialized;
      if (!wrapped->SerializePartialToString(&serialized)) {
        return absl::UnknownError(absl::StrCat("failed to serialize message: ",
                                               wrapped->GetTypeName()));
      }
      if (!json->ParsePartialFromString(serialized)) {
        return absl::UnknownError(
            absl::StrCat("failed to parsed message: ", json->GetTypeName()));
      }
    }
    return absl::OkStatus();
  }
}

absl::Status LegacyListValue::ConvertToJsonArray(
    const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,