_Bitmap Struct Reference

Public Member Functions
	_Bitmap ()
template<class _Elem >
void	_Mark (_Elem _Ch)
template<class _Elem >
bool	_Find (_Elem _Ch) const

Private Attributes
unsigned char	_Chrs [_Bmp_size]

Constructor & Destructor Documentation

_Bitmap::_Bitmap ( )

inline

        {   // construct
        _CSTD memset(_Chrs, '\0', _Bmp_size);
        }

Member Function Documentation

template<class _Elem >

bool _Bitmap::_Find ( _Elem  _Ch ) const

inline

        {   // return true if _Ch is marked
        static_assert(is_unsigned<_Elem>::value, "_Elem must be unsigned");
        unsigned int _Wide = _Ch;
        return ((_Chrs[_Wide >> _Bmp_shift] & (1 << (_Wide & _Bmp_mask))) != 0);
        }

template<class _Elem >

void _Bitmap::_Mark ( _Elem  _Ch )

inline

        {   // mark character _Ch
        static_assert(is_unsigned<_Elem>::value, "_Elem must be unsigned");
        unsigned int _Wide = _Ch;
        _Chrs[_Wide >> _Bmp_shift] |= (1 << (_Wide & _Bmp_mask));
        }

Member Data Documentation

unsigned char _Bitmap::_Chrs[_Bmp_size]

private

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

• VS2017/inc/regex