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