-rw-r--r-- | qmake/include/qbitarray.h | 166 |
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diff --git a/qmake/include/qbitarray.h b/qmake/include/qbitarray.h new file mode 100644 index 0000000..65c5cd3 --- a/dev/null +++ b/qmake/include/qbitarray.h @@ -0,0 +1,166 @@ +/**************************************************************************** +** $Id$ +** +** Definition of QBitArray class +** +** Created : 940118 +** +** 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 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 &operator=( const QBitVal &v ); + QBitVal &operator=( bool v ); +}; + + +/***************************************************************************** + QBitArray class + *****************************************************************************/ + +class Q_EXPORT QBitArray : public QByteArray +{ +public: + QBitArray(); + QBitArray( uint size ); + QBitArray( const QBitArray &a ) : QByteArray( a ) {} + + QBitArray &operator=( const QBitArray & ); + + 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 &operator&=( const QBitArray & ); + QBitArray &operator|=( const QBitArray & ); + QBitArray &operator^=( const QBitArray & ); + 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 &QBitArray::operator=( const QBitArray &a ) +{ return (QBitArray&)assign( a ); } + +inline uint QBitArray::size() const +{ return ((bitarr_data*)sharedBlock())->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&( const QBitArray &, const QBitArray & ); +Q_EXPORT QBitArray operator|( const QBitArray &, const QBitArray & ); +Q_EXPORT QBitArray operator^( const QBitArray &, const QBitArray & ); + + +inline QBitVal::operator int() +{ + return array->testBit( index ); +} + +inline QBitVal &QBitVal::operator=( const QBitVal &v ) +{ + array->setBit( index, v.array->testBit(v.index) ); + return *this; +} + +inline QBitVal &QBitVal::operator=( bool v ) +{ + array->setBit( index, v ); + return *this; +} + + +/***************************************************************************** + QBitArray stream functions + *****************************************************************************/ +#ifndef QT_NO_DATASTREAM +Q_EXPORT QDataStream &operator<<( QDataStream &, const QBitArray & ); +Q_EXPORT QDataStream &operator>>( QDataStream &, QBitArray & ); +#endif + +#endif // QBITARRAY_H |