Mercurial > hg > svcore
annotate data/fileio/BZipFileDevice.h @ 749:0f8a6dda8ac1
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author | Chris Cannam |
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date | Mon, 03 Sep 2012 11:10:51 +0100 |
parents | 8ee6cf529c4e |
children | b3cb0edc25cd |
rev | line source |
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Chris@148 | 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ |
Chris@148 | 2 |
Chris@148 | 3 /* |
Chris@148 | 4 Sonic Visualiser |
Chris@148 | 5 An audio file viewer and annotation editor. |
Chris@148 | 6 Centre for Digital Music, Queen Mary, University of London. |
Chris@148 | 7 This file copyright 2006 Chris Cannam. |
Chris@148 | 8 |
Chris@148 | 9 This program is free software; you can redistribute it and/or |
Chris@148 | 10 modify it under the terms of the GNU General Public License as |
Chris@148 | 11 published by the Free Software Foundation; either version 2 of the |
Chris@148 | 12 License, or (at your option) any later version. See the file |
Chris@148 | 13 COPYING included with this distribution for more information. |
Chris@148 | 14 */ |
Chris@148 | 15 |
Chris@148 | 16 #ifndef _BZIP_FILE_DEVICE_H_ |
Chris@148 | 17 #define _BZIP_FILE_DEVICE_H_ |
Chris@148 | 18 |
Chris@148 | 19 #include <QIODevice> |
Chris@148 | 20 |
Chris@148 | 21 #include <bzlib.h> |
Chris@148 | 22 |
Chris@148 | 23 class BZipFileDevice : public QIODevice |
Chris@148 | 24 { |
Chris@148 | 25 Q_OBJECT |
Chris@148 | 26 |
Chris@148 | 27 public: |
Chris@148 | 28 BZipFileDevice(QString fileName); |
Chris@148 | 29 virtual ~BZipFileDevice(); |
Chris@148 | 30 |
Chris@148 | 31 virtual bool open(OpenMode mode); |
Chris@148 | 32 virtual void close(); |
Chris@148 | 33 |
Chris@207 | 34 virtual bool isOK() const; |
Chris@207 | 35 |
Chris@148 | 36 virtual bool isSequential() const { return true; } |
Chris@148 | 37 |
Chris@148 | 38 protected: |
Chris@148 | 39 virtual qint64 readData(char *data, qint64 maxSize); |
Chris@148 | 40 virtual qint64 writeData(const char *data, qint64 maxSize); |
Chris@148 | 41 |
Chris@148 | 42 QString m_fileName; |
Chris@148 | 43 |
Chris@148 | 44 FILE *m_file; |
Chris@148 | 45 BZFILE *m_bzFile; |
Chris@148 | 46 bool m_atEnd; |
Chris@207 | 47 bool m_ok; |
Chris@148 | 48 }; |
Chris@148 | 49 |
Chris@148 | 50 #endif |