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// -*- C++ -*-
//=============================================================================
/**
* @file Dynamic_Bitset.h
*
* $Id$
*
* @author Huang-Ming Huang <hh1@cse.wustl.edu>
*/
//=============================================================================
#ifndef DYNAMIC_BITSET_H
#define DYNAMIC_BITSET_H
#include "ace/config-all.h"
#include "ace/OS_NS_string.h"
/**
*
*/
class Dynamic_Bitset
{
typedef unsigned block;
typedef unsigned size_type;
enum {
BYTES_PER_BLOCK = sizeof(block),
BITS_PER_BLOCK = sizeof(block)*8
};
public:
class reference {
public:
typedef unsigned size_type;
reference(Dynamic_Bitset* bitset, size_type bit);
reference operator = (bool val);
operator bool () const;
private:
Dynamic_Bitset* bitset_;
size_type bit_;
};
Dynamic_Bitset(size_type size=0);
~Dynamic_Bitset();
Dynamic_Bitset(const Dynamic_Bitset& other);
Dynamic_Bitset& operator = (const Dynamic_Bitset& other);
Dynamic_Bitset& operator &=(const Dynamic_Bitset& other);
reference operator[](size_type bit);
size_type size() const;
bool test(size_type bit) const;
void set(size_type bit, bool val = true);
void flip();
void resize(size_type num_bits, bool value = false);
friend bool operator == (const Dynamic_Bitset& lhs, const Dynamic_Bitset& rhs);
private:
size_type buffer_size_;
size_type bit_size_;
block* buffer_;
};
bool operator == (const Dynamic_Bitset& lhs, const Dynamic_Bitset& rhs);
Dynamic_Bitset operator & (const Dynamic_Bitset& lhs, const Dynamic_Bitset& rhs);
#if defined (__ACE_INLINE__)
#include "Dynamic_Bitset.inl"
#endif /* __ACE_INLINE__ */
#endif
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