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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /src/tools/qbitarray.h
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
Add Qt3 development HEAD version
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+/****************************************************************************
+**
+** Definition of QBitArray class
+**
+** Created : 940118
+**
+** Copyright (C) 1992-2008 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 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 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 &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