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-rw-r--r--sw/inc/SwBitArray.hxx185
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diff --git a/sw/inc/SwBitArray.hxx b/sw/inc/SwBitArray.hxx
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-/*************************************************************************
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * Copyright 2008 by Sun Microsystems, Inc.
- *
- * OpenOffice.org - a multi-platform office productivity suite
- *
- * $RCSfile: SwBitArray.hxx,v $
- * $Revision: 1.6 $
- *
- * 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 _SW_BIT_ARRAY_HXX
-#define _SW_BIT_ARRAY_HXX
-
-#include <swtypes.hxx>
-#if OSL_DEBUG_LEVEL > 1
-#include <iostream>
-#endif
-
-/**
- a bit array
-*/
-class SwBitArray
-{
- /**
- size of a group of bits
- */
- static const size_t mGroupSize = sizeof(sal_uInt32);
-
- /**
- Returns number of groups.
-
- @return number of groups
- */
- size_t calcSize() const { return (nSize - 1)/ mGroupSize + 1; }
-
- /**
- array of group of bits
- */
- sal_uInt32 * mArray;
-
- /**
- number of groups
- */
- sal_uInt32 nSize;
-
- /**
- Returns group of bits according to an index.
-
- @param n index to search for
-
- @return group of bits according to given index
- */
- sal_uInt32 * GetGroup(sal_uInt32 n) const { return &mArray[n/mGroupSize]; }
-
-public:
- SwBitArray(sal_uInt32 _nSize);
- SwBitArray(const SwBitArray & rArray);
- ~SwBitArray();
-
- /**
- Returns if an index is valid.
-
- @retval TRUE the index is valid
- @retval FALSE else
- */
- BOOL IsValid(sal_uInt32 n) const;
-
- /**
- Returns the number of bits stored in the array.
-
- @return number of bits in the array
- */
- sal_uInt32 Size() const { return nSize; }
-
- /**
- Sets/unsets a bit.
-
- @param n index of bit to set/unset
- @param nValue -TRUE set the bit
- -FALSE unset the bit
- */
- void Set(sal_uInt32 n, BOOL nValue);
-
- /**
- Unsets all bits of the array.
- */
- void Reset();
-
- /**
- Returns if a certain bit in the array is set.
-
- @param n index of the bit in question
-
- @retval TRUE the bit is set
- @retval FALSE else
- */
- BOOL Get(sal_uInt32 n) const;
-
- /**
- Assigns a bit array to this bit array.
-
- @param rArray array to assign
-
- rArray must have the same size as this array. Otherwise this
- array will not be altered.
- */
- SwBitArray & operator = (const SwBitArray & rArray);
-
- /**
- Returns the bitwise AND of two bit arrays.
-
- @param rA
- @param rB the arrays to combine
-
- @return bitwise AND of rA and rB
- */
- friend SwBitArray operator & (const SwBitArray & rA,
- const SwBitArray & rB);
-
- /**
- Returns the bitwise OR of two bit arrays.
-
- @param rA
- @param rB the arrays to combine
-
- @return bitwise OR of rA and rB
- */
- friend SwBitArray operator | (const SwBitArray & rA,
- const SwBitArray & rB);
-
- /**
- Returns the bitwise XOR of two bit arrays.
-
- @param rA
- @param rB the arrays to combine
-
- @return bitwise XOR of rA and rB
- */
- friend SwBitArray operator ^ (const SwBitArray & rA,
- const SwBitArray & rB);
-
- /**
- Returns the bitwise NOT of an arrays.
-
- @param rA the array to negate
-
- @return bitwise NOT of rA
- */
- friend SwBitArray operator ~ (const SwBitArray & rA);
-
-#if OSL_DEBUG_LEVEL > 1
- /**
- output operator
-
- @param o output stream
- @param rBitArray bit array to output
-
- @return o after the output
- */
- friend std::ostream & operator <<
- (std::ostream & o, const SwBitArray & rBitArray);
-#endif
-};
-
-
-#endif // _SW_BIT_ARRAY_HXX