158 lines
4.2 KiB
C++
158 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SFX2_INC_BITSET_HXX
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#define INCLUDED_SFX2_INC_BITSET_HXX
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class BitSet
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{
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private:
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void CopyFrom( const BitSet& rSet );
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sal_uInt16 nBlocks;
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sal_uInt16 nCount;
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sal_uInt32* pBitmap;
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public:
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BitSet operator<<( sal_uInt16 nOffset ) const;
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BitSet operator>>( sal_uInt16 nOffset ) const;
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static sal_uInt16 CountBits(sal_uInt32 nBits);
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bool operator!() const;
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BitSet();
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BitSet( const BitSet& rOrig );
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~BitSet();
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sal_uInt16 Count() const;
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BitSet& operator=( const BitSet& rOrig );
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BitSet& operator=( sal_uInt16 nBit );
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BitSet operator|( const BitSet& rSet ) const;
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BitSet operator|( sal_uInt16 nBit ) const;
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BitSet& operator|=( const BitSet& rSet );
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BitSet& operator|=( sal_uInt16 nBit );
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BitSet operator-( const BitSet& rSet ) const;
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BitSet operator-( sal_uInt16 nId ) const;
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BitSet& operator-=( const BitSet& rSet );
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BitSet& operator-=( sal_uInt16 nBit );
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BitSet operator&( const BitSet& rSet ) const;
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BitSet& operator&=( const BitSet& rSet );
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BitSet operator^( const BitSet& rSet ) const;
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BitSet operator^( sal_uInt16 nBit ) const;
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BitSet& operator^=( const BitSet& rSet );
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BitSet& operator^=( sal_uInt16 nBit );
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bool Contains( sal_uInt16 nBit ) const;
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bool operator==( const BitSet& rSet ) const;
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bool operator!=( const BitSet& rSet ) const;
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};
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// returns sal_True if the set is empty
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inline bool BitSet::operator!() const
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{
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return nCount == 0;
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}
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// returns the number of bits in the bitset
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inline sal_uInt16 BitSet::Count() const
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{
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return nCount;
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}
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// creates the union of two bitset
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inline BitSet BitSet::operator|( const BitSet& rSet ) const
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{
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return BitSet(*this) |= rSet;
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}
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// creates the union of a bitset with a single bit
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inline BitSet BitSet::operator|( sal_uInt16 nBit ) const
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{
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return BitSet(*this) |= nBit;
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}
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// creates the asymetric difference
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inline BitSet BitSet::operator-( const BitSet& ) const
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{
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return BitSet();
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}
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// creates the asymetric difference with a single bit
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inline BitSet BitSet::operator-( sal_uInt16 ) const
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{
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return BitSet();
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}
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// removes the bits contained in rSet
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inline BitSet& BitSet::operator-=( const BitSet& )
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{
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return *this;
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}
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// creates the intersection with another bitset
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inline BitSet BitSet::operator&( const BitSet& ) const
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{
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return BitSet();
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}
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// intersects with another bitset
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inline BitSet& BitSet::operator&=( const BitSet& )
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{
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return *this;
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}
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// creates the symetric difference with another bitset
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inline BitSet BitSet::operator^( const BitSet& ) const
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{
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return BitSet();
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}
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// creates the symetric difference with a single bit
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inline BitSet BitSet::operator^( sal_uInt16 ) const
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{
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return BitSet();
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}
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// builds the symetric difference with another bitset
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inline BitSet& BitSet::operator^=( const BitSet& )
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{
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return *this;
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}
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#ifdef BITSET_READY
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// builds the symetric difference with a single bit
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inline BitSet& BitSet::operator^=( sal_uInt16 )
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{
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// crash!!!
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return BitSet();
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}
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#endif
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// determines if the bitsets aren't equal
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inline bool BitSet::operator!=( const BitSet& rSet ) const
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{
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return !( *this == rSet );
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}
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class IndexBitSet : BitSet
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{
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public:
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sal_uInt16 GetFreeIndex();
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void ReleaseIndex(sal_uInt16 i){*this-=i;}
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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