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70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <memory>
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#include <string>
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#include "arrow/csv/options.h"
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#include "arrow/dataset/file_base.h"
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#include "arrow/dataset/type_fwd.h"
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#include "arrow/dataset/visibility.h"
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#include "arrow/util/iterator.h"
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namespace arrow {
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namespace fs {
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class FileSystem;
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} // namespace fs
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namespace dataset {
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class ARROW_DS_EXPORT CsvScanOptions : public FileScanOptions {
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public:
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std::string file_type() const override;
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private:
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csv::ParseOptions parse_options_;
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csv::ConvertOptions convert_options_;
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csv::ReadOptions read_options_;
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};
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class ARROW_DS_EXPORT CsvWriteOptions : public FileWriteOptions {
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public:
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std::string file_type() const override;
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};
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/// \brief A FileFormat implementation that reads from CSV files
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class ARROW_DS_EXPORT CsvFileFormat : public FileFormat {
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public:
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std::string name() const override;
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/// \brief Return true if the given file extension
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bool IsKnownExtension(const std::string& ext) const override;
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/// \brief Open a file for scanning
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Status ScanFile(const FileSource& location, std::shared_ptr<ScanOptions> scan_options,
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std::shared_ptr<ScanContext> scan_context,
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std::unique_ptr<ScanTaskIterator>* out) const override;
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};
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} // namespace dataset
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} // namespace arrow
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