1 /* Copyright (c) 2003-2005 MySQL AB
2 Use is subject to license terms
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; version 2 of the License.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
16
17 #ifndef SECTION_READER_HPP
18 #define SECTION_READER_HPP
19
20 #include <ndb_types.h>
21
22 class SectionReader {
23 public:
24 SectionReader(struct SegmentedSectionPtr &,
25 class SectionSegmentPool &);
26
27 void reset();
28 bool step(Uint32 len);
29 bool getWord(Uint32 * dst);
30 bool peekWord(Uint32 * dst) const ;
31 bool peekWords(Uint32 * dst, Uint32 len) const;
32 Uint32 getSize() const;
33 bool getWords(Uint32 * dst, Uint32 len);
34
35 private:
36 Uint32 m_pos;
37 Uint32 m_len;
38 class SectionSegmentPool & m_pool;
39 class SectionSegment * m_head;
40 class SectionSegment * m_currentSegment;
41 };
42
43 inline
getSize() const44 Uint32 SectionReader::getSize() const
45 {
46 return m_len;
47 }
48
49 #endif
50