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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
#ifndef _SFXBITSET_HXX
#define _SFXBITSET_HXX

#include <tools/solar.h>

class Range;

class BitSet
{
private:
    void CopyFrom( const BitSet& rSet );
    USHORT nBlocks;
    USHORT nCount;
    ULONG* pBitmap;
public:
    BitSet operator<<( USHORT nOffset ) const;
    BitSet operator>>( USHORT nOffset ) const;
    static USHORT CountBits( ULONG nBits );
    BOOL operator!() const;
    BitSet();
    BitSet( const BitSet& rOrig );
    BitSet( USHORT* pArray, USHORT nSize );
    ~BitSet();
    BitSet( const Range& rRange );
    USHORT Count() const;
    BitSet& operator=( const BitSet& rOrig );
    BitSet& operator=( USHORT nBit );
    BitSet operator|( const BitSet& rSet ) const;
    BitSet operator|( USHORT nBit ) const;
    BitSet& operator|=( const BitSet& rSet );
    BitSet& operator|=( USHORT nBit );
    BitSet operator-( const BitSet& rSet ) const;
    BitSet operator-( USHORT nId ) const;
    BitSet& operator-=( const BitSet& rSet );
    BitSet& operator-=( USHORT nBit );
    BitSet operator&( const BitSet& rSet ) const;
    BitSet& operator&=( const BitSet& rSet );
    BitSet operator^( const BitSet& rSet ) const;
    BitSet operator^( USHORT nBit ) const;
    BitSet& operator^=( const BitSet& rSet );
    BitSet& operator^=( USHORT nBit );
    BOOL IsRealSubSet( const BitSet& rSet ) const;
    BOOL IsSubSet( const BitSet& rSet ) const;
    BOOL IsRealSuperSet( const BitSet& rSet ) const;
    BOOL Contains( USHORT nBit ) const;
    BOOL IsSuperSet( const BitSet& rSet ) const;
    BOOL operator==( const BitSet& rSet ) const;
    BOOL operator==( USHORT nBit ) const;
    BOOL operator!=( const BitSet& rSet ) const;
    BOOL operator!=( USHORT nBit ) const;

};
//--------------------------------------------------------------------

// returns TRUE if the set is empty



inline BOOL BitSet::operator!() const
{
    return nCount == 0;
}
//--------------------------------------------------------------------

// returns the number of bits in the bitset

inline USHORT BitSet::Count() const
{
    return nCount;
}
//--------------------------------------------------------------------

// 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|( USHORT 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-( USHORT ) 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^( USHORT ) 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^=( USHORT )
{
    // crash!!!
    return BitSet();
}
#endif
//--------------------------------------------------------------------

// determines if the other bitset is a real superset

inline BOOL BitSet::IsRealSubSet( const BitSet& ) const
{
    return FALSE;
}
//--------------------------------------------------------------------

// detsermines if the other bitset is a superset or equal

inline BOOL BitSet::IsSubSet( const BitSet& ) const
{
    return FALSE;
}
//--------------------------------------------------------------------

// determines if the other bitset is a real subset

inline BOOL BitSet::IsRealSuperSet( const BitSet& ) const
{
    return FALSE;
}

//--------------------------------------------------------------------

// determines if the other bitset is a subset or equal

inline BOOL BitSet::IsSuperSet( const BitSet& ) const
{
    return FALSE;
}
//--------------------------------------------------------------------

// determines if the bit is the only one in the bitset

inline BOOL BitSet::operator==( USHORT ) const
{
    return FALSE;
}
//--------------------------------------------------------------------

// determines if the bitsets aren't equal

inline BOOL BitSet::operator!=( const BitSet& rSet ) const
{
    return !( *this == rSet );
}
//--------------------------------------------------------------------

// determines if the bitset doesn't contain only this bit

inline BOOL BitSet::operator!=( USHORT nBit ) const
{
    return !( *this == nBit );
}
//--------------------------------------------------------------------

class IndexBitSet : BitSet
{
public:
  USHORT GetFreeIndex();
  void ReleaseIndex(USHORT i){*this-=i;}
};


#endif