Mercurial > hg > svcore
diff data/fileio/BZipFileDevice.h @ 148:1a42221a1522
* Reorganising code base. This revision will not compile.
author | Chris Cannam |
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date | Mon, 31 Jul 2006 11:49:58 +0000 |
parents | |
children | 8ee6cf529c4e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/data/fileio/BZipFileDevice.h Mon Jul 31 11:49:58 2006 +0000 @@ -0,0 +1,47 @@ +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* + Sonic Visualiser + An audio file viewer and annotation editor. + Centre for Digital Music, Queen Mary, University of London. + This file copyright 2006 Chris Cannam. + + 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. See the file + COPYING included with this distribution for more information. +*/ + +#ifndef _BZIP_FILE_DEVICE_H_ +#define _BZIP_FILE_DEVICE_H_ + +#include <QIODevice> + +#include <bzlib.h> + +class BZipFileDevice : public QIODevice +{ + Q_OBJECT + +public: + BZipFileDevice(QString fileName); + virtual ~BZipFileDevice(); + + virtual bool open(OpenMode mode); + virtual void close(); + + virtual bool isSequential() const { return true; } + +protected: + virtual qint64 readData(char *data, qint64 maxSize); + virtual qint64 writeData(const char *data, qint64 maxSize); + + QString m_fileName; + + FILE *m_file; + BZFILE *m_bzFile; + bool m_atEnd; +}; + +#endif