| 1 | /*
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| 2 | * bytestream.h - base class for bytestreams
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| 3 | * Copyright (C) 2003 Justin Karneges
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| 4 | *
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| 5 | * This library is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU Lesser General Public
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| 7 | * License as published by the Free Software Foundation; either
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| 8 | * version 2.1 of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This library is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | * Lesser General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU Lesser General Public
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| 16 | * License along with this library; if not, write to the Free Software
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| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 18 | *
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| 19 | */
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| 20 |
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| 21 | #ifndef CS_BYTESTREAM_H
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| 22 | #define CS_BYTESTREAM_H
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| 23 |
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| 24 | #include<qobject.h>
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| 25 | #include<qcstring.h>
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| 26 |
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| 27 | // CS_NAMESPACE_BEGIN
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| 28 |
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| 29 | // CS_EXPORT_BEGIN
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| 30 | class ByteStream : public QObject
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| 31 | {
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| 32 | Q_OBJECT
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| 33 | public:
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| 34 | enum Error { ErrRead, ErrWrite, ErrCustom = 10 };
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| 35 | ByteStream(QObject *parent=0);
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| 36 | virtual ~ByteStream()=0;
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| 37 |
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| 38 | virtual bool isOpen() const;
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| 39 | virtual void close();
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| 40 | virtual void write(const QByteArray &);
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| 41 | virtual QByteArray read(int bytes=0);
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| 42 | virtual int bytesAvailable() const;
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| 43 | virtual int bytesToWrite() const;
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| 44 |
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| 45 | void write(const QCString &);
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| 46 |
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| 47 | static void appendArray(QByteArray *a, const QByteArray &b);
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| 48 | static QByteArray takeArray(QByteArray *from, int size=0, bool del=true);
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| 49 |
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| 50 | signals:
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| 51 | void connectionClosed();
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| 52 | void delayedCloseFinished();
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| 53 | void readyRead();
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| 54 | void bytesWritten(int);
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| 55 | void error(int);
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| 56 |
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| 57 | protected:
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| 58 | void clearReadBuffer();
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| 59 | void clearWriteBuffer();
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| 60 | void appendRead(const QByteArray &);
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| 61 | void appendWrite(const QByteArray &);
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| 62 | QByteArray takeRead(int size=0, bool del=true);
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| 63 | QByteArray takeWrite(int size=0, bool del=true);
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| 64 | QByteArray & readBuf();
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| 65 | QByteArray & writeBuf();
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| 66 | virtual int tryWrite();
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| 67 |
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| 68 | private:
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| 69 | //! \if _hide_doc_
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| 70 | class Private;
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| 71 | Private *d;
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| 72 | //! \endif
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| 73 | };
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| 74 | // CS_EXPORT_END
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| 75 |
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| 76 | // CS_NAMESPACE_END
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| 77 |
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| 78 | #endif
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