QuaZip  quazip-1-4
quagzipfile.h
1 #ifndef QUAZIP_QUAGZIPFILE_H
2 #define QUAZIP_QUAGZIPFILE_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 QuaGzipFilePrivate;
34 
36 
39 class QUAZIP_EXPORT QuaGzipFile: public QIODevice {
40  Q_OBJECT
41 public:
43 
46  QuaGzipFile();
48 
52  QuaGzipFile(QObject *parent);
54 
58  QuaGzipFile(const QString &fileName, QObject *parent = nullptr);
60  ~QuaGzipFile() override;
62  void setFileName(const QString& fileName);
64  QString getFileName() const;
66 
73  bool isSequential() const override;
75 
79  bool open(QIODevice::OpenMode mode) override;
81 
87  virtual bool open(int fd, QIODevice::OpenMode mode);
89 
93  virtual bool flush();
95  void close() override;
96 protected:
98  qint64 readData(char *data, qint64 maxSize) override;
100  qint64 writeData(const char *data, qint64 maxSize) override;
101 private:
102  // not implemented by design to disable copy
103  QuaGzipFile(const QuaGzipFile &that);
104  QuaGzipFile& operator=(const QuaGzipFile &that);
105  QuaGzipFilePrivate *d;
106 };
107 
108 #endif // QUAZIP_QUAGZIPFILE_H
QuaGzipFile::getFileName
QString getFileName() const
Returns the name of the GZIP file.
Definition: quagzipfile.cpp:118
QuaGzipFile::close
void close() override
Closes the file.
Definition: quagzipfile.cpp:153
QuaGzipFile
GZIP file.
Definition: quagzipfile.h:39
QuaGzipFile::isSequential
bool isSequential() const override
Returns true.
Definition: quagzipfile.cpp:123
QuaGzipFile::open
bool open(QIODevice::OpenMode mode) override
Opens the file.
Definition: quagzipfile.cpp:128
QuaGzipFile::writeData
qint64 writeData(const char *data, qint64 maxSize) override
Implementation of QIODevice::writeData().
Definition: quagzipfile.cpp:164
QuaGzipFile::flush
virtual bool flush()
Flushes data to file.
Definition: quagzipfile.cpp:148
QuaGzipFile::~QuaGzipFile
~QuaGzipFile() override
Destructor.
Definition: quagzipfile.cpp:105
QuaGzipFile::QuaGzipFile
QuaGzipFile()
Empty constructor.
Definition: quagzipfile.cpp:88
QuaGzipFile::setFileName
void setFileName(const QString &fileName)
Sets the name of the GZIP file to be opened.
Definition: quagzipfile.cpp:113
QuaGzipFile::readData
qint64 readData(char *data, qint64 maxSize) override
Implementation of QIODevice::readData().
Definition: quagzipfile.cpp:159