File: BZipFileDevice.h

package info (click to toggle)
sonic-visualiser 5.2.1-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 24,744 kB
  • sloc: cpp: 158,888; ansic: 11,920; sh: 1,785; makefile: 517; xml: 64; perl: 31
file content (56 lines) | stat: -rw-r--r-- 1,320 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
/* -*- 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 SV_BZIP_FILE_DEVICE_H
#define SV_BZIP_FILE_DEVICE_H

#include <QIODevice>
#include <QFile>

#include <bzlib.h>

namespace sv {

class BZipFileDevice : public QIODevice
{
    Q_OBJECT

public:
    BZipFileDevice(QString fileName);
    virtual ~BZipFileDevice();
    
    bool open(OpenMode mode) override;
    void close() override;

    virtual bool isOK() const;

    bool isSequential() const override { return true; }

protected:
    qint64 readData(char *data, qint64 maxSize) override;
    qint64 writeData(const char *data, qint64 maxSize) override;

    QString m_fileName;

    QFile m_qfile;
    FILE *m_file;
    BZFILE *m_bzFile;
    bool m_atEnd;
    bool m_ok;
};

} // end namespace sv

#endif