Class JsonDebugStringState

internal/json.cc:1648–1725

}

class JsonDebugStringState final {
 public:
  JsonDebugStringState(const JsonAccessor* absl_nonnull accessor,
                       std::string* absl_nonnull output)
      : accessor_(accessor), output_(output) {}

  void ValueDebugString(const google::protobuf::MessageLite& message) {
    const auto kind_case = accessor_->GetKindCase(message);
    switch (kind_case) {
      case google::protobuf::Value::KIND_NOT_SET:
        ABSL_FALLTHROUGH_INTENDED;
      case google::protobuf::Value::kNullValue:
        output_->append("null");
        break;
      case google::protobuf::Value::kBoolValue:
        if (accessor_->GetBoolValue(message)) {
          output_->append("true");
        } else {
          output_->append("false");
        }
        break;
      case google::protobuf::Value::kNumberValue:
        output_->append(
            JsonNumberDebugString(accessor_->GetNumberValue(message)));
        break;
      case google::protobuf::Value::kStringValue:
        output_->append(JsonStringDebugString(
            accessor_->GetStringValue(message, scratch_)));
        break;
      case google::protobuf::Value::kListValue:
        ListValueDebugString(accessor_->GetListValue(message));
        break;
      case google::protobuf::Value::kStructValue:
        StructDebugString(accessor_->GetStructValue(message));
        break;
      default:
        // Should not get here, but if for some terrible reason
        // `google.protobuf.Value` is expanded, just skip.
        break;
    }
  }

  void ListValueDebugString(const google::protobuf::MessageLite& message) {
    const int size = accessor_->ValuesSize(message);
    output_->push_back('[');
    for (int i = 0; i < size; ++i) {
      if (i > 0) {
        output_->append(", ");
      }
      ValueDebugString(accessor_->Values(message, i));
    }
    output_->push_back(']');
  }

  void StructDebugString(const google::protobuf::MessageLite& message) {
    const int size = accessor_->FieldsSize(message);
    std::string key_scratch;
    well_known_types::StringValue key;