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* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* $Id$
*/
#if !defined(BITSET_HPP)
#define BITSET_HPP
#include <xercesc/util/XMemory.hpp>
#include <xercesc/util/PlatformUtils.hpp>
class XMLUTIL_EXPORT BitSet : public XMemory
{
public:
// -----------------------------------------------------------------------
// Constructors and Destructor
// -----------------------------------------------------------------------
BitSet( const unsigned int size
, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
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BitSet(const BitSet& toCopy);
~BitSet();
// -----------------------------------------------------------------------
// Equality methods
// -----------------------------------------------------------------------
bool equals(const BitSet& other) const;
// -----------------------------------------------------------------------
// Getter methods
// -----------------------------------------------------------------------
bool allAreCleared() const;
bool allAreSet() const;
unsigned int size() const;
bool get(const unsigned int index) const;
// -----------------------------------------------------------------------
// Setter methods
// -----------------------------------------------------------------------
void clear(const unsigned int index);
void clearAll();
void set(const unsigned int index);
// -----------------------------------------------------------------------
// Bitwise logical operations
// -----------------------------------------------------------------------
void andWith(const BitSet& other);
void orWith(const BitSet& other);
void xorWith(const BitSet& other);
// -----------------------------------------------------------------------
// Miscellaneous
// -----------------------------------------------------------------------
unsigned int hash(const unsigned int hashModulus) const;
private :
// -----------------------------------------------------------------------
// Unimplemented constructors
// -----------------------------------------------------------------------
David Abram Cargill
committed
BitSet();
BitSet& operator=(const BitSet&);
// -----------------------------------------------------------------------
// Private methods
// -----------------------------------------------------------------------
void ensureCapacity(const unsigned int bits);
// -----------------------------------------------------------------------
// Data members
//
// fBits
// The array of unsigned longs used to store the bits.
//
// fUnitLen
// The length of the storage array, in storage units not bits.
// -----------------------------------------------------------------------
MemoryManager* fMemoryManager;
unsigned long* fBits;
unsigned int fUnitLen;
};