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/*
* Copyright (C) 2010 Felix Geyer <debfx@fobos.de>
*
* 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 or (at your option)
* version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef KEEPASSX_HASHEDBLOCKSTREAM_H
#define KEEPASSX_HASHEDBLOCKSTREAM_H
#include <QSysInfo>
#include "streams/LayeredStream.h"
class HashedBlockStream : public LayeredStream
{
Q_OBJECT
public:
explicit HashedBlockStream(QIODevice* baseDevice);
HashedBlockStream(QIODevice* baseDevice, qint32 blockSize);
~HashedBlockStream();
bool reset() Q_DECL_OVERRIDE;
void close() Q_DECL_OVERRIDE;
protected:
qint64 readData(char* data, qint64 maxSize) Q_DECL_OVERRIDE;
qint64 writeData(const char* data, qint64 maxSize) Q_DECL_OVERRIDE;
private:
void init();
bool readHashedBlock();
bool writeHashedBlock();
static const QSysInfo::Endian ByteOrder;
qint32 m_blockSize;
QByteArray m_buffer;
int m_bufferPos;
quint32 m_blockIndex;
bool m_eof;
bool m_error;
};
#endif // KEEPASSX_HASHEDBLOCKSTREAM_H
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