55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef CSV_DATA_READER_H_
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#define CSV_DATA_READER_H_
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#include <vector>
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#include <string>
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#include <fstream>
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#include "share/ob_define.h"
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#include "lib/string/ob_string.h"
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namespace oceanbase
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{
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namespace blocksstable
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{
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class CSVDataReader
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{
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public:
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CSVDataReader();
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virtual ~CSVDataReader();
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int init(const char *file);
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int next_data(std::vector<common::ObString> &data);
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int reset()
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{
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ifs_.clear();
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ifs_.seekg(0, std::ios::beg);
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return common::OB_SUCCESS;
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}
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private:
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int parse_line();
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private:
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static const int64_t MAX_STR_LEN = 64L * 1024L;
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char *buf_;
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int64_t buf_size_;
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std::string cur_line_;
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std::vector<common::ObString> datas_;
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std::ifstream ifs_;
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};
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}
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}
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#endif // CSV_DATA_READER_H_
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