1 /***************************************************************************
2 * Copyright (C) 2005-2018 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
29 typedef struct z_stream_s *z_streamp;
31 typedef struct mz_stream_s *z_streamp;
34 class Compressor : public QObject
39 enum CompressionLevel {
52 enum WriteBufferHint {
57 Compressor(QTcpSocket *socket, CompressionLevel level, QObject *parent = 0);
60 CompressionLevel compressionLevel() const { return _level; }
62 qint64 bytesAvailable() const;
64 qint64 read(char *data, qint64 maxSize);
65 qint64 write(const char *data, qint64 count, WriteBufferHint flush = Flush);
71 void error(Compressor::Error errorCode = StreamError);
82 CompressionLevel _level;
84 QByteArray _readBuffer;
85 QByteArray _writeBuffer;
87 QByteArray _inputBuffer;
88 QByteArray _outputBuffer;