QuaZip  quazip-1-4
quaziodevice.h
1 #ifndef QUAZIP_QUAZIODEVICE_H
2 #define QUAZIP_QUAZIODEVICE_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 <QtCore/QIODevice>
29 #include "quazip_global.h"
30 
31 #include <zlib.h>
32 
33 class QuaZIODevicePrivate;
34 
36 
41 class QUAZIP_EXPORT QuaZIODevice: public QIODevice {
42  friend class QuaZIODevicePrivate;
43  Q_OBJECT
44 public:
46 
50  QuaZIODevice(QIODevice *io, QObject *parent = nullptr);
52  ~QuaZIODevice() override;
54 
74  virtual bool flush();
76 
80  bool open(QIODevice::OpenMode mode) override;
82 
86  void close() override;
88  QIODevice *getIoDevice() const;
90  bool isSequential() const override;
92  bool atEnd() const override;
94  qint64 bytesAvailable() const override;
95 protected:
97  qint64 readData(char *data, qint64 maxSize) override;
99  qint64 writeData(const char *data, qint64 maxSize) override;
100 private:
101  QuaZIODevicePrivate *d;
102 };
103 #endif // QUAZIP_QUAZIODEVICE_H
QuaZIODevice::atEnd
bool atEnd() const override
Returns true iff the end of the compressed stream is reached.
Definition: quaziodevice.cpp:325
QuaZIODevice::readData
qint64 readData(char *data, qint64 maxSize) override
Implementation of QIODevice::readData().
Definition: quaziodevice.cpp:218
QuaZIODevice::isSequential
bool isSequential() const override
Returns true.
Definition: quaziodevice.cpp:320
QuaZIODevice::~QuaZIODevice
~QuaZIODevice() override
Destructor.
Definition: quaziodevice.cpp:163
QuaZIODevice::bytesAvailable
qint64 bytesAvailable() const override
Returns the number of the bytes buffered.
Definition: quaziodevice.cpp:333
QuaZIODevice::getIoDevice
QIODevice * getIoDevice() const
Returns the underlying device.
Definition: quaziodevice.cpp:170
QuaZIODevice::writeData
qint64 writeData(const char *data, qint64 maxSize) override
Implementation of QIODevice::writeData().
Definition: quaziodevice.cpp:279
QuaZIODevice::QuaZIODevice
QuaZIODevice(QIODevice *io, QObject *parent=nullptr)
Constructor.
Definition: quaziodevice.cpp:156
QuaZIODevice::flush
virtual bool flush()
Flushes data waiting to be written.
Definition: quaziodevice.cpp:315
QuaZIODevice::close
void close() override
Closes this device, but not the underlying one.
Definition: quaziodevice.cpp:202
QuaZIODevice
A class to compress/decompress QIODevice.
Definition: quaziodevice.h:41
QuaZIODevice::open
bool open(QIODevice::OpenMode mode) override
Opens the device.
Definition: quaziodevice.cpp:175