bitstring::reference Class Reference

#include <bitstring.h>

Collaboration diagram for bitstring::reference:

Public Member Functions
	reference (bitstring &bs, size_t pos)
	~reference ()
reference &	operator= (bool x)
reference &	operator= (const reference &j)
bool	operator~ () const
	operator bool () const
reference &	flip ()

Private Member Functions
	reference ()

Private Attributes
_ul *	_word
size_t	_bitpos

Friends
class	bitstring

Constructor & Destructor Documentation

reference() [1/2]

bitstring::reference::reference ( )

private

reference() [2/2]

bitstring::reference::reference ( bitstring &  bs, size_t  pos  )

inline

    {
      _word = bs.getword_atPos( pos );
      _bitpos = pos % BITS_PER_WORD;
    }

References _bitpos, _word, BITS_PER_WORD, and bitstring::getword_atPos().

~reference()

bitstring::reference::~reference ( )

inline

    { }

Member Function Documentation

flip()

reference& bitstring::reference::flip ( )

inline

    {
      *_word ^= ( 1UL << ( _bitpos % BITS_PER_WORD ) );
      return *this;
    }

References _bitpos, _word, and BITS_PER_WORD.

operator bool()

bitstring::reference::operator bool ( ) const

inline

    { return (*(_word) & ( 1UL << ( _bitpos % BITS_PER_WORD ) ) ) != 0; }

References _bitpos, _word, and BITS_PER_WORD.

operator=() [1/2]

reference& bitstring::reference::operator= ( bool  x )

inline

    {
      if (x)
        *_word |= ( 1UL << ( _bitpos % BITS_PER_WORD ) );
      else
        *_word &= ~( 1UL << ( _bitpos % BITS_PER_WORD ) );
      return *this;
    }

References _bitpos, _word, and BITS_PER_WORD.

operator=() [2/2]

reference& bitstring::reference::operator= ( const reference &  j )

inline

    {
      if ((*(j._word) & ( 1UL << ( j._bitpos % BITS_PER_WORD ) ) ))
        *_word |= ( 1UL << ( _bitpos % BITS_PER_WORD ) );
      else
        *_word &= ~( 1UL << ( _bitpos % BITS_PER_WORD ) );
      return *this;
    }

References _bitpos, _word, and BITS_PER_WORD.

operator~()

bool bitstring::reference::operator~ ( ) const

inline

    { return (*(_word) & ( 1UL << ( _bitpos % BITS_PER_WORD ) ) ) == 0; }

References _bitpos, _word, and BITS_PER_WORD.

Friends And Related Function Documentation

bitstring

friend class bitstring

friend

Member Data Documentation

_bitpos

size_t bitstring::reference::_bitpos

private

Referenced by flip(), operator bool(), operator=(), operator~(), and reference().

_word

_ul* bitstring::reference::_word

private

Referenced by flip(), operator bool(), operator=(), operator~(), and reference().

---

The documentation for this class was generated from the following file:

• bitstring.h