/****************************************************************************

** 

**

** 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&);; }

inline QDataStream &QDataStream::operator>>( Q_UINT16 &i )

{ return *this >> (Q_INT16&);; }

inline QDataStream &QDataStream::operator>>( Q_UINT32 &i )

{ return *this >> (Q_INT32&);; }

inline QDataStream &QDataStream::operator>>( Q_UINT64 &i )

{ return *this >> (Q_INT64&);; }

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