office-gobmx/sfx2/inc/bitset.hxx
2011-01-07 17:35:15 +01:00

257 lines
7.1 KiB
C++

/*************************************************************************
*
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*
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*
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*
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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*
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#ifndef _SFXBITSET_HXX
#define _SFXBITSET_HXX
#include <tools/solar.h>
class Range;
class BitSet
{
private:
void CopyFrom( const BitSet& rSet );
sal_uInt16 nBlocks;
sal_uInt16 nCount;
sal_uIntPtr* pBitmap;
public:
BitSet operator<<( sal_uInt16 nOffset ) const;
BitSet operator>>( sal_uInt16 nOffset ) const;
static sal_uInt16 CountBits( sal_uIntPtr nBits );
sal_Bool operator!() const;
BitSet();
BitSet( const BitSet& rOrig );
BitSet( sal_uInt16* pArray, sal_uInt16 nSize );
~BitSet();
BitSet( const Range& rRange );
sal_uInt16 Count() const;
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 );
sal_Bool IsRealSubSet( const BitSet& rSet ) const;
sal_Bool IsSubSet( const BitSet& rSet ) const;
sal_Bool IsRealSuperSet( const BitSet& rSet ) const;
sal_Bool Contains( sal_uInt16 nBit ) const;
sal_Bool IsSuperSet( const BitSet& rSet ) const;
sal_Bool operator==( const BitSet& rSet ) const;
sal_Bool operator==( sal_uInt16 nBit ) const;
sal_Bool operator!=( const BitSet& rSet ) const;
sal_Bool operator!=( sal_uInt16 nBit ) const;
};
//--------------------------------------------------------------------
// returns sal_True if the set is empty
inline sal_Bool BitSet::operator!() const
{
return nCount == 0;
}
//--------------------------------------------------------------------
// returns the number of bits in the bitset
inline sal_uInt16 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|( 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 other bitset is a real superset
inline sal_Bool BitSet::IsRealSubSet( const BitSet& ) const
{
return sal_False;
}
//--------------------------------------------------------------------
// detsermines if the other bitset is a superset or equal
inline sal_Bool BitSet::IsSubSet( const BitSet& ) const
{
return sal_False;
}
//--------------------------------------------------------------------
// determines if the other bitset is a real subset
inline sal_Bool BitSet::IsRealSuperSet( const BitSet& ) const
{
return sal_False;
}
//--------------------------------------------------------------------
// determines if the other bitset is a subset or equal
inline sal_Bool BitSet::IsSuperSet( const BitSet& ) const
{
return sal_False;
}
//--------------------------------------------------------------------
// determines if the bit is the only one in the bitset
inline sal_Bool BitSet::operator==( sal_uInt16 ) const
{
return sal_False;
}
//--------------------------------------------------------------------
// determines if the bitsets aren't equal
inline sal_Bool BitSet::operator!=( const BitSet& rSet ) const
{
return !( *this == rSet );
}
//--------------------------------------------------------------------
// determines if the bitset doesn't contain only this bit
inline sal_Bool BitSet::operator!=( sal_uInt16 nBit ) const
{
return !( *this == nBit );
}
//--------------------------------------------------------------------
class IndexBitSet : BitSet
{
public:
sal_uInt16 GetFreeIndex();
void ReleaseIndex(sal_uInt16 i){*this-=i;}
};
#endif