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# quuid.h

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

    /****************************************************************************
    ** $Id: qt/quuid.h   3.3.4   edited Nov 4 2003 $
    **
    ** Definition of QUuid class
    **
    ** Created : 010523
    **
    ** Copyright (C) 1992-2003 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 QUUID_H
    #define QUUID_H

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

    #include <string.h>

    #if defined(Q_OS_WIN32)
    #ifndef GUID_DEFINED
    #define GUID_DEFINED
    typedef struct _GUID
    {
        ulong   Data1;
        ushort  Data2;
        ushort  Data3;
        uchar   Data4[ 8 ];
    } GUID, *REFGUID, *LPGUID;
    #endif
    #endif

    struct Q_EXPORT QUuid
    {
        enum Variant {
    	VarUnknown	=-1,
    	NCS		= 0, // 0 - -
    	DCE		= 2, // 1 0 -
    	Microsoft	= 6, // 1 1 0
    	Reserved	= 7  // 1 1 1
        };

        enum Version {
    	VerUnknown	=-1,
    	Time		= 1, // 0 0 0 1
    	EmbeddedPOSIX	= 2, // 0 0 1 0
    	Name		= 3, // 0 0 1 1
    	Random		= 4  // 0 1 0 0
        };

        QUuid()
        {
    	memset( this, 0, sizeof(QUuid) );
        }
        QUuid( uint l, ushort w1, ushort w2, uchar b1, uchar b2, uchar b3, uchar b4, uchar b5, uchar b6, uchar b7, uchar b8 )
        {
    	data1 = l;
    	data2 = w1;
    	data3 = w2;
    	data4[0] = b1;
    	data4[1] = b2;
    	data4[2] = b3;
    	data4[3] = b4;
    	data4[4] = b5;
    	data4[5] = b6;
    	data4[6] = b7;
    	data4[7] = b8;
        }
        QUuid( const QUuid &uuid )
        {
    	memcpy( this, &uuid, sizeof(QUuid) );
        }
    #ifndef QT_NO_QUUID_STRING
        QUuid( const QString & );
        QUuid( const char * );
        QString toString() const;
        operator QString() const { return toString(); }
    #endif
        bool isNull() const;

        QUuid &operator=(const QUuid &orig )
        {
    	memcpy( this, &orig, sizeof(QUuid) );
    	return *this;
        }

        bool operator==(const QUuid &orig ) const
        {
    	uint i;
    	if ( data1 != orig.data1 || data2 != orig.data2 ||
    	     data3 != orig.data3 )
    	    return FALSE;

    	for( i = 0; i < 8; i++ )
    	    if ( data4[i] != orig.data4[i] )
    		return FALSE;

    	return TRUE;
        }

        bool operator!=(const QUuid &orig ) const
        {
    	return !( *this == orig );
        }

        bool operator<(const QUuid &other ) const;
        bool operator>(const QUuid &other ) const;

    #if defined(Q_OS_WIN32)
        // On Windows we have a type GUID that is used by the platform API, so we
        // provide convenience operators to cast from and to this type.
        QUuid( const GUID &guid )
        {
    	memcpy( this, &guid, sizeof(GUID) );
        }

        QUuid &operator=(const GUID &orig )
        {
    	memcpy( this, &orig, sizeof(QUuid) );
    	return *this;
        }

        operator GUID() const
        {
    	GUID guid = { data1, data2, data3, { data4[0], data4[1], data4[2], data4[3], data4[4], data4[5], data4[6], data4[7] } };
    	return guid;
        }

        bool operator==( const GUID &guid ) const
        {
    	uint i;
    	if ( data1 != guid.Data1 || data2 != guid.Data2 ||
    	     data3 != guid.Data3 )
    	    return FALSE;

    	for( i = 0; i < 8; i++ )
    	    if ( data4[i] != guid.Data4[i] )
    		return FALSE;

    	return TRUE;
        }

        bool operator!=( const GUID &guid ) const
        {
    	return !( *this == guid );
        }
    #endif
        static QUuid createUuid();
        QUuid::Variant variant() const;
        QUuid::Version version() const;

        uint    data1;
        ushort  data2;
        ushort  data3;
        uchar   data4[ 8 ];
    };

    #ifndef QT_NO_DATASTREAM
    Q_EXPORT QDataStream &operator<<( QDataStream &, const QUuid & );
    Q_EXPORT QDataStream &operator>>( QDataStream &, QUuid & );
    #endif

    #endif //QUUID_H