arrow/csv/test_common.h

0001 // Licensed to the Apache Software Foundation (ASF) under one
0002 // or more contributor license agreements.  See the NOTICE file
0003 // distributed with this work for additional information
0004 // regarding copyright ownership.  The ASF licenses this file
0005 // to you under the Apache License, Version 2.0 (the
0006 // "License"); you may not use this file except in compliance
0007 // with the License.  You may obtain a copy of the License at
0008 //
0009 //   http://www.apache.org/licenses/LICENSE-2.0
0010 //
0011 // Unless required by applicable law or agreed to in writing,
0012 // software distributed under the License is distributed on an
0013 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
0014 // KIND, either express or implied.  See the License for the
0015 // specific language governing permissions and limitations
0016 // under the License.
0017
0018 #pragma once
0019
0020 #include <functional>
0021 #include <memory>
0022 #include <string>
0023 #include <vector>
0024
0025 #include "arrow/csv/parser.h"
0026 #include "arrow/testing/visibility.h"
0027
0028 namespace arrow {
0029 namespace csv {
0030
0031 ARROW_TESTING_EXPORT
0032 std::string MakeCSVData(std::vector<std::string> lines);
0033
0034 // Make a BlockParser from a vector of lines representing a CSV file
0035 ARROW_TESTING_EXPORT
0036 void MakeCSVParser(std::vector<std::string> lines, ParseOptions options, int32_t num_cols,
0037                    MemoryPool* pool, std::shared_ptr<BlockParser>* out);
0038
0039 ARROW_TESTING_EXPORT
0040 void MakeCSVParser(std::vector<std::string> lines, ParseOptions options,
0041                    std::shared_ptr<BlockParser>* out);
0042
0043 ARROW_TESTING_EXPORT
0044 void MakeCSVParser(std::vector<std::string> lines, std::shared_ptr<BlockParser>* out);
0045
0046 // Make a BlockParser from a vector of strings representing a single CSV column
0047 ARROW_TESTING_EXPORT
0048 void MakeColumnParser(std::vector<std::string> items, std::shared_ptr<BlockParser>* out);
0049
0050 ARROW_TESTING_EXPORT
0051 Result<std::shared_ptr<Buffer>> MakeSampleCsvBuffer(
0052     size_t num_rows, std::function<bool(size_t row_num)> is_valid = {});
0053
0054 }  // namespace csv
0055 }  // namespace arrow