This is the verbatim text of the qbitarry.h include file. It is is provided only for illustration; the copyright remains with Troll Tech
/**************************************************************************** ** $Id: qbitarry.h,v 2.1 1996/11/22 18:32:40 agulbra Exp $ ** ** Definition of QBitArray class ** ** Created : 940118 ** ** Copyright (C) 1994-1996 by Troll Tech AS. All rights reserved. ** *****************************************************************************/ #ifndef QBITARRY_H #define QBITARRY_H #include "qstring.h" /***************************************************************************** QBitVal class; a context class for QBitArray::operator[] *****************************************************************************/ class QBitArray; class 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=( int v ); }; /***************************************************************************** QBitArray class *****************************************************************************/ class 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 ); 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 ); } /***************************************************************************** Misc. QBitArray operator functions *****************************************************************************/ QBitArray operator&( const QBitArray &, const QBitArray & ); QBitArray operator|( const QBitArray &, const QBitArray & ); 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=( int v ) { array->setBit( index, v ); return *this; } /***************************************************************************** QBitArray stream functions *****************************************************************************/ QDataStream &operator<<( QDataStream &, const QBitArray & ); QDataStream &operator>>( QDataStream &, QBitArray & ); #endif // QBITARRY_H