1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements. See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership. The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License. You may obtain a copy of the License at
8//
9// http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied. See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18#ifndef ARROW_CSV_CONVERTER_H
19#define ARROW_CSV_CONVERTER_H
20
21#include <cstdint>
22#include <memory>
23
24#include "arrow/csv/options.h"
25#include "arrow/util/macros.h"
26#include "arrow/util/visibility.h"
27
28namespace arrow {
29
30class Array;
31class DataType;
32class MemoryPool;
33class Status;
34
35namespace csv {
36
37class BlockParser;
38
39class ARROW_EXPORT Converter {
40 public:
41 Converter(const std::shared_ptr<DataType>& type, const ConvertOptions& options,
42 MemoryPool* pool);
43 virtual ~Converter() = default;
44
45 virtual Status Convert(const BlockParser& parser, int32_t col_index,
46 std::shared_ptr<Array>* out) = 0;
47
48 std::shared_ptr<DataType> type() const { return type_; }
49
50 static Status Make(const std::shared_ptr<DataType>& type, const ConvertOptions& options,
51 std::shared_ptr<Converter>* out);
52 static Status Make(const std::shared_ptr<DataType>& type, const ConvertOptions& options,
53 MemoryPool* pool, std::shared_ptr<Converter>* out);
54
55 protected:
56 ARROW_DISALLOW_COPY_AND_ASSIGN(Converter);
57
58 virtual Status Initialize() = 0;
59
60 const ConvertOptions options_;
61 MemoryPool* pool_;
62 std::shared_ptr<DataType> type_;
63};
64
65} // namespace csv
66} // namespace arrow
67
68#endif // ARROW_CSV_CONVERTER_H
69