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/*
* bytestream.h - base class for bytestreams
* Copyright (C) 2003 Justin Karneges
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef CS_BYTESTREAM_H
#define CS_BYTESTREAM_H
#include <qobject.h>
#include <qcstring.h>
// CS_NAMESPACE_BEGIN
// CS_EXPORT_BEGIN
class ByteStream : public QObject
{
Q_OBJECT
public:
enum Error { ErrRead, ErrWrite, ErrCustom = 10 };
ByteStream(QObject *parent=0);
virtual ~ByteStream()=0;
virtual bool isOpen() const;
virtual void close();
virtual void write(const QByteArray &);
virtual QByteArray read(int bytes=0);
virtual int bytesAvailable() const;
virtual int bytesToWrite() const;
void write(const QCString &);
static void appendArray(QByteArray *a, const QByteArray &b);
static QByteArray takeArray(QByteArray *from, int size=0, bool del=true);
signals:
void connectionClosed();
void delayedCloseFinished();
void readyRead();
void bytesWritten(int);
void error(int);
protected:
void clearReadBuffer();
void clearWriteBuffer();
void appendRead(const QByteArray &);
void appendWrite(const QByteArray &);
QByteArray takeRead(int size=0, bool del=true);
QByteArray takeWrite(int size=0, bool del=true);
QByteArray & readBuf();
QByteArray & writeBuf();
virtual int tryWrite();
private:
//! \if _hide_doc_
class Private;
Private *d;
//! \endif
};
// CS_EXPORT_END
// CS_NAMESPACE_END
#endif
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