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- /****************************************************************************
- ** $Id: qbitarray.h,v 2.6 1998/07/03 00:09:43 hanord Exp $
- **
- ** Definition of QBitArray class
- **
- ** Created : 940118
- **
- ** Copyright (C) 1992-1998 Troll Tech AS. All rights reserved.
- **
- ** This file is part of Qt Free Edition, version 1.40.
- **
- ** See the file LICENSE included in the distribution for the usage
- ** and distribution terms, or http://www.troll.no/free-license.html.
- **
- ** IMPORTANT NOTE: You may NOT copy this file or any part of it into
- ** your own programs or libraries.
- **
- ** Please see http://www.troll.no/pricing.html for information about
- ** Qt Professional Edition, which is this same library but with a
- ** license which allows creation of commercial/proprietary software.
- **
- *****************************************************************************/
-
- #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 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 ) // ### Qt 2.0: change to bool
- {
- array->setBit( index, v );
- return *this;
- }
-
-
- /*****************************************************************************
- QBitArray stream functions
- *****************************************************************************/
-
- QDataStream &operator<<( QDataStream &, const QBitArray & );
- QDataStream &operator>>( QDataStream &, QBitArray & );
-
-
- #endif // QBITARRAY_H
-