QuaZIP: quazip/quacrc32.h Source File

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quacrc32.h
1 #ifndef QUACRC32_H
2 #define QUACRC32_H
3
4 /*
5 Copyright (C) 2005-2014 Sergey A. Tachenov
6
7 This file is part of QuaZIP.
8
9 QuaZIP is free software: you can redistribute it and/or modify
10 it under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation, either version 2.1 of the License, or
12 (at your option) any later version.
13
14 QuaZIP is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public License
20 along with QuaZIP. If not, see <http://www.gnu.org/licenses/>.
21
22 See COPYING file for the full LGPL text.
23
24 Original ZIP package is copyrighted by Gilles Vollant and contributors,
25 see quazip/(un)zip.h files for details. Basically it's the zlib license.
26 */
27
28 #include "quachecksum32.h"
29
31
35 class QUAZIP_EXPORT QuaCrc32 : public QuaChecksum32 {
36
37 public:
38 QuaCrc32();
39
40 quint32 calculate(const QByteArray &data);
41
42 void reset();
43 void update(const QByteArray &buf);
44 quint32 value();
45
46 private:
47 quint32 checksum;
48 };
49
50 #endif //QUACRC32_H
QuaChecksum32::calculate
virtual quint32 calculate(const QByteArray &data)=0
Calculates the checksum for data.
QuaChecksum32::value
virtual quint32 value()=0
Value of the checksum calculated for the stream passed throw update().
QuaChecksum32
Checksum interface.
Definition: quachecksum32.h:52
QuaChecksum32::update
virtual void update(const QByteArray &buf)=0
Updates the calculated checksum for the stream.
QuaCrc32
CRC32 checksum.
Definition: quacrc32.h:35
QuaChecksum32::reset
virtual void reset()=0
Resets the calculation on a checksun for a stream.