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Viewing changes to src/common/compressor.h

  • Committer: Package Import Robot
  • Author(s): Scott Kitterman
  • Date: 2014-02-18 23:18:25 UTC
  • mto: This revision was merged to the branch mainline in revision 98.
  • Revision ID: package-import@ubuntu.com-20140218231825-hfgaeo3nmszt2pth
Tags: upstream-0.10~beta1
Import upstream version 0.10~beta1

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src/common/compressor.h
 
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/***************************************************************************
 
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 *   Copyright (C) 2005-2014 by the Quassel Project                        *
 
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 *   devel@quassel-irc.org                                                 *
 
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 *                                                                         *
 
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 *   This program is free software; you can redistribute it and/or modify  *
 
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 *   it under the terms of the GNU General Public License as published by  *
 
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 *   the Free Software Foundation; either version 2 of the License, or     *
 
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 *   (at your option) version 3.                                           *
 
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 *                                                                         *
 
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 *   This program is distributed in the hope that it will be useful,       *
 
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 
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 *   GNU General Public License for more details.                          *
 
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 *                                                                         *
 
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 *   You should have received a copy of the GNU General Public License     *
 
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 *   along with this program; if not, write to the                         *
 
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 *   Free Software Foundation, Inc.,                                       *
 
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 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
 
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 ***************************************************************************/
 
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#ifndef COMPRESSOR_H
 
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#define COMPRESSOR_H
 
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#include <QObject>
 
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class QTcpSocket;
 
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typedef struct mz_stream_s *z_streamp;
 
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class Compressor : public QObject
 
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{
 
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    Q_OBJECT
 
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public:
 
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    enum CompressionLevel {
 
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        NoCompression,
 
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        DefaultCompression,
 
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        BestCompression,
 
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        BestSpeed
 
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    };
 
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    enum Error {
 
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        NoError,
 
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        StreamError,
 
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        DeviceError
 
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    };
 
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    enum WriteBufferHint {
 
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        NoFlush,
 
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        Flush
 
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    };
 
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    Compressor(QTcpSocket *socket, CompressionLevel level, QObject *parent = 0);
 
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    ~Compressor();
 
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    CompressionLevel compressionLevel() const { return _level; }
 
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    qint64 bytesAvailable() const;
 
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    qint64 read(char *data, qint64 maxSize);
 
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    qint64 write(const char *data, qint64 count, WriteBufferHint flush = Flush);
 
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    void flush();
 
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signals:
 
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    void readyRead();
 
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    void error(Compressor::Error errorCode = StreamError);
 
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private slots:
 
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    void readData();
 
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private:
 
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    bool initStreams();
 
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    void writeData();
 
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private:
 
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    QTcpSocket *_socket;
 
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    CompressionLevel _level;
 
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    QByteArray _readBuffer;
 
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    QByteArray _writeBuffer;
 
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    QByteArray _inputBuffer;
 
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    QByteArray _outputBuffer;
 
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    z_streamp _inflater;
 
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    z_streamp _deflater;
 
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};
 
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#endif