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Diffstat (limited to 'storage/ndb/src/kernel/vm/SectionReader.hpp')
-rw-r--r-- | storage/ndb/src/kernel/vm/SectionReader.hpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/storage/ndb/src/kernel/vm/SectionReader.hpp b/storage/ndb/src/kernel/vm/SectionReader.hpp new file mode 100644 index 00000000000..b51006b6128 --- /dev/null +++ b/storage/ndb/src/kernel/vm/SectionReader.hpp @@ -0,0 +1,49 @@ +/* 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 |