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# qdatastream.h

This is the verbatim text of the qdatastream.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/src/tools/qdatastream.h   2.3.2   edited 2001-01-26 $
    **
    ** Definition of QDataStream class
    **
    ** Created : 930831
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the tools module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
    ** licenses may use this file in accordance with the Qt Commercial License
    ** Agreement provided with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QDATASTREAM_H
    #define QDATASTREAM_H

    #ifndef QT_H
    #include "qiodevice.h"
    #include "qstring.h"
    #endif // QT_H

    #ifndef QT_NO_DATASTREAM
    class Q_EXPORT QDataStream                              // data stream class
    {
    public:
        QDataStream();
        QDataStream( QIODevice * );
        QDataStream( QByteArray, int mode );
        virtual ~QDataStream();

        QIODevice   *device() const;
        void         setDevice( QIODevice * );
        void         unsetDevice();

        bool         atEnd() const;
        bool         eof() const;

        enum ByteOrder { BigEndian, LittleEndian };
        int          byteOrder()    const;
        void         setByteOrder( int );

        bool         isPrintableData() const;
        void         setPrintableData( bool );

        int          version() const;
        void         setVersion( int );

        QDataStream &operator>>( Q_INT8 &i );
        QDataStream &operator>>( Q_UINT8 &i );
        QDataStream &operator>>( Q_INT16 &i );
        QDataStream &operator>>( Q_UINT16 &i );
        QDataStream &operator>>( Q_INT32 &i );
        QDataStream &operator>>( Q_UINT32 &i );
        QDataStream &operator>>( Q_INT64 &i );
        QDataStream &operator>>( Q_UINT64 &i );

        QDataStream &operator>>( float &f );
        QDataStream &operator>>( double &f );
        QDataStream &operator>>( char *&str );

        QDataStream &operator<<( Q_INT8 i );
        QDataStream &operator<<( Q_UINT8 i );
        QDataStream &operator<<( Q_INT16 i );
        QDataStream &operator<<( Q_UINT16 i );
        QDataStream &operator<<( Q_INT32 i );
        QDataStream &operator<<( Q_UINT32 i );
        QDataStream &operator<<( Q_INT64 i );
        QDataStream &operator<<( Q_UINT64 i );
        QDataStream &operator<<( float f );
        QDataStream &operator<<( double f );
        QDataStream &operator<<( const char *str );

        QDataStream &readBytes( char *&, uint &len );
        QDataStream &readRawBytes( char *, uint len );

        QDataStream &writeBytes( const char *, uint len );
        QDataStream &writeRawBytes( const char *, uint len );

    private:
        QIODevice   *dev;
        bool         owndev;
        int          byteorder;
        bool         printable;
        bool         noswap;
        int          ver;

    private:        // Disabled copy constructor and operator=
    #if defined(Q_DISABLE_COPY)
        QDataStream( const QDataStream & );
        QDataStream &operator=( const QDataStream & );
    #endif
    };

    /*****************************************************************************
      QDataStream inline functions
     *****************************************************************************/

    inline QIODevice *QDataStream::device() const
    { return dev; }

    inline bool QDataStream::atEnd() const
    { return dev ? dev->atEnd() : TRUE; }

    inline bool QDataStream::eof() const
    { return atEnd(); }

    inline int QDataStream::byteOrder() const
    { return byteorder; }

    inline bool QDataStream::isPrintableData() const
    { return printable; }

    inline void QDataStream::setPrintableData( bool p )
    { printable = p; }

    inline int QDataStream::version() const
    { return ver; }

    inline void QDataStream::setVersion( int v )
    { ver = v; }

    inline QDataStream &QDataStream::operator>>( Q_UINT8 &i )
    { return *this >> (Q_INT8&)i; }

    inline QDataStream &QDataStream::operator>>( Q_UINT16 &i )
    { return *this >> (Q_INT16&)i; }

    inline QDataStream &QDataStream::operator>>( Q_UINT32 &i )
    { return *this >> (Q_INT32&)i; }

    inline QDataStream &QDataStream::operator>>( Q_UINT64 &i )
    { return *this >> (Q_INT64&)i; }

    inline QDataStream &QDataStream::operator<<( Q_UINT8 i )
    { return *this << (Q_INT8)i; }

    inline QDataStream &QDataStream::operator<<( Q_UINT16 i )
    { return *this << (Q_INT16)i; }

    inline QDataStream &QDataStream::operator<<( Q_UINT32 i )
    { return *this << (Q_INT32)i; }

    inline QDataStream &QDataStream::operator<<( Q_UINT64 i )
    { return *this << (Q_INT64)i; }

    #endif // QT_NO_DATASTREAM
    #endif // QDATASTREAM_H