Method Convert

cpp/src/arrow/csv/converter.cc:533–548

        decoder_(type_, options_, static_cast<const TrieCache*>(trie_cache_.get())) {}

  Result<std::shared_ptr<Array>> Convert(const BlockParser& parser,
                                         int32_t col_index) override {
    NullBuilder builder(pool_);

    auto visit = [&](const uint8_t* data, uint32_t size, bool quoted) -> Status {
      if (ARROW_PREDICT_TRUE(decoder_.IsNull(data, size, quoted))) {
        return builder.AppendNull();
      } else {
        return GenericConversionError(type_, data, size);
      }
    };
    RETURN_NOT_OK(parser.VisitColumn(col_index, visit));
    std::shared_ptr<Array> res;
    RETURN_NOT_OK(builder.Finish(&res));
    return res;
  }

 protected:
  Status Initialize() override { return decoder_.Initialize(); }