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tqt3/src/tools/ntqbitarray.h

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/****************************************************************************
**
** Definition of TQBitArray class
**
** Created : 940118
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the tools module of the TQt 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 files LICENSE.GPL2
** and LICENSE.GPL3 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 TQt 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.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** 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 TQBITARRAY_H
#define TQBITARRAY_H
#ifndef QT_H
#include "ntqstring.h"
#endif // QT_H
/*****************************************************************************
TQBitVal class; a context class for TQBitArray::operator[]
*****************************************************************************/
class TQBitArray;
class Q_EXPORT TQBitVal
{
private:
TQBitArray *array;
uint index;
public:
TQBitVal( TQBitArray *a, uint i ) : array(a), index(i) {}
operator int();
TQBitVal &operator=( const TQBitVal &v );
TQBitVal &operator=( bool v );
};
/*****************************************************************************
TQBitArray class
*****************************************************************************/
class Q_EXPORT TQBitArray : public TQByteArray
{
public:
TQBitArray();
TQBitArray( uint size );
TQBitArray( const TQBitArray &a ) : TQByteArray( a ) {}
TQBitArray &operator=( const TQBitArray & );
uint size() const;
bool resize( uint size );
bool fill( bool v, int size = -1 );
void detach();
TQBitArray 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;
TQBitVal operator[]( int index );
bool operator[]( int index ) const;
TQBitArray &operator&=( const TQBitArray & );
TQBitArray &operator|=( const TQBitArray & );
TQBitArray &operator^=( const TQBitArray & );
TQBitArray operator~() const;
protected:
struct bitarr_data : public TQGArray::array_data {
uint nbits;
};
array_data *newData() { return new bitarr_data; }
void deleteData( array_data *d ) { delete (bitarr_data*)d; }
private:
void pad0();
};
inline TQBitArray &TQBitArray::operator=( const TQBitArray &a )
{ return (TQBitArray&)assign( a ); }
inline uint TQBitArray::size() const
{ return ((bitarr_data*)sharedBlock())->nbits; }
inline void TQBitArray::setBit( uint index, bool value )
{ if ( value ) setBit(index); else clearBit(index); }
inline bool TQBitArray::at( uint index ) const
{ return testBit(index); }
inline TQBitVal TQBitArray::operator[]( int index )
{ return TQBitVal( (TQBitArray*)this, index ); }
inline bool TQBitArray::operator[]( int index ) const
{ return testBit( index ); }
/*****************************************************************************
Misc. TQBitArray operator functions
*****************************************************************************/
Q_EXPORT TQBitArray operator&( const TQBitArray &, const TQBitArray & );
Q_EXPORT TQBitArray operator|( const TQBitArray &, const TQBitArray & );
Q_EXPORT TQBitArray operator^( const TQBitArray &, const TQBitArray & );
inline TQBitVal::operator int()
{
return array->testBit( index );
}
inline TQBitVal &TQBitVal::operator=( const TQBitVal &v )
{
array->setBit( index, v.array->testBit(v.index) );
return *this;
}
inline TQBitVal &TQBitVal::operator=( bool v )
{
array->setBit( index, v );
return *this;
}
/*****************************************************************************
TQBitArray stream functions
*****************************************************************************/
#ifndef TQT_NO_DATASTREAM
Q_EXPORT TQDataStream &operator<<( TQDataStream &, const TQBitArray & );
Q_EXPORT TQDataStream &operator>>( TQDataStream &, TQBitArray & );
#endif
#endif // TQBITARRAY_H