SectionReader.hpp
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上传日期:2022-05-23
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文件大小:1k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef SECTION_READER_HPP
- #define SECTION_READER_HPP
- #include <ndb_types.h>
- class SectionReader {
- public:
- SectionReader(struct SegmentedSectionPtr &,
- class SectionSegmentPool &);
- void reset();
- bool step(Uint32 len);
- bool getWord(Uint32 * dst);
- bool peekWord(Uint32 * dst) const ;
- bool peekWords(Uint32 * dst, Uint32 len) const;
- Uint32 getSize() const;
- bool getWords(Uint32 * dst, Uint32 len);
- private:
- Uint32 m_pos;
- Uint32 m_len;
- class SectionSegmentPool & m_pool;
- class SectionSegment * m_head;
- class SectionSegment * m_currentSegment;
- };
- inline
- Uint32 SectionReader::getSize() const
- {
- return m_len;
- }
- #endif