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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qbitarray.h</h1>

<p>This is the verbatim text of the qbitarray.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<pre>
/****************************************************************************
** $Id: qt/qbitarray.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of QBitArray class
**
** Created : 940118
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file.  Licensees holding valid Qt
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef QBITARRAY_H
#define QBITARRAY_H

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


/*****************************************************************************
  QBitVal class; a context class for QBitArray::operator[]
 *****************************************************************************/

class QBitArray;

class Q_EXPORT QBitVal
{
private:
    QBitArray *array;
    uint    index;
public:
    QBitVal( QBitArray *a, uint i ) : array(a), index(i) {}
    operator int();
    QBitVal &amp;operator=( const QBitVal &amp;v );
    QBitVal &amp;operator=( bool v );
};


/*****************************************************************************
  QBitArray class
 *****************************************************************************/

class Q_EXPORT QBitArray : public QByteArray
{
public:
    QBitArray();
    QBitArray( uint size );
    QBitArray( const QBitArray &amp;a ) : QByteArray( a ) {}

    QBitArray &amp;operator=( const QBitArray &amp; );

    uint    size() const;
    bool    resize( uint size );

    bool    fill( bool v, int size = -1 );

    void    detach();
    QBitArray copy() const;

    bool    testBit( uint index ) const;
    void    setBit( uint index );
    void    setBit( uint index, bool value );
    void    clearBit( uint index );
    bool    toggleBit( uint index );

    bool    at( uint index ) const;
    QBitVal operator[]( int index );
    bool operator[]( int index ) const;

    QBitArray &amp;operator&amp;=( const QBitArray &amp; );
    QBitArray &amp;operator|=( const QBitArray &amp; );
    QBitArray &amp;operator^=( const QBitArray &amp; );
    QBitArray  operator~() const;

protected:
    struct bitarr_data : public QGArray::array_data {
	uint   nbits;
    };
    array_data *newData()		    { return new bitarr_data; }
    void	deleteData( array_data *d ) { delete (bitarr_data*)d; }
private:
    void    pad0();
};


inline QBitArray &amp;QBitArray::operator=( const QBitArray &amp;a )
{ return (QBitArray&amp;)assign( a ); }

inline uint QBitArray::size() const
{ return ((bitarr_data*)sharedBlock())-&gt;nbits; }

inline void QBitArray::setBit( uint index, bool value )
{ if ( value ) setBit(index); else clearBit(index); }

inline bool QBitArray::at( uint index ) const
{ return testBit(index); }

inline QBitVal QBitArray::operator[]( int index )
{ return QBitVal( (QBitArray*)this, index ); }

inline bool QBitArray::operator[]( int index ) const
{ return testBit( index ); }


/*****************************************************************************
  Misc. QBitArray operator functions
 *****************************************************************************/

Q_EXPORT QBitArray operator&amp;( const QBitArray &amp;, const QBitArray &amp; );
Q_EXPORT QBitArray operator|( const QBitArray &amp;, const QBitArray &amp; );
Q_EXPORT QBitArray operator^( const QBitArray &amp;, const QBitArray &amp; );


inline QBitVal::operator int()
{
    return array-&gt;testBit( index );
}

inline QBitVal &amp;QBitVal::operator=( const QBitVal &amp;v )
{
    array-&gt;setBit( index, v.array-&gt;testBit(v.index) );
    return *this;
}

inline QBitVal &amp;QBitVal::operator=( bool v )
{
    array-&gt;setBit( index, v );
    return *this;
}


/*****************************************************************************
  QBitArray stream functions
 *****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QBitArray &amp; );
Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QBitArray &amp; );
#endif

#endif // QBITARRAY_H
</pre>
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