__crt_stdio_input::scanset_buffer< UnsignedCharacter > Class Template Reference

#include <corecrt_internal_stdio_input.h>

Collaboration diagram for __crt_stdio_input::scanset_buffer< UnsignedCharacter >:

Public Member Functions
bool	is_usable () throw ()
void	set (UnsignedCharacter const c) throw ()
bool	test (UnsignedCharacter const c) const throw ()
void	reset () throw ()
void	invert () throw ()

Private Attributes
scanset_storage< sizeof(UnsignedCharacter)>	_storage

Detailed Description

template<typename UnsignedCharacter>
class __crt_stdio_input::scanset_buffer< UnsignedCharacter >

Definition at line 285 of file corecrt_internal_stdio_input.h.

Member Function Documentation

invert()

template<typename UnsignedCharacter >

void __crt_stdio_input::scanset_buffer< UnsignedCharacter >::invert ( ) throw ( )

inline

Definition at line 313 of file corecrt_internal_stdio_input.h.

    {
        unsigned char* const first{_storage.data()        };
        unsigned char* const last {first + _storage.size()};
 
        for (unsigned char* it{first}; it != last; ++it)
        {
            *it ^= static_cast<unsigned char>(-1);
        }
    }

Referenced by __crt_stdio_input::format_string_parser< Character >::scan_scanset_range().

is_usable()

template<typename UnsignedCharacter >

bool __crt_stdio_input::scanset_buffer< UnsignedCharacter >::is_usable ( ) throw ( )

inline

Definition at line 289 of file corecrt_internal_stdio_input.h.

    {
        return _storage.data() != nullptr;
    }

Referenced by __crt_stdio_input::format_string_parser< Character >::scan_scanset_range().

reset()

template<typename UnsignedCharacter >

void __crt_stdio_input::scanset_buffer< UnsignedCharacter >::reset ( ) throw ( )

inline

Definition at line 304 of file corecrt_internal_stdio_input.h.

    {
        unsigned char* const first{_storage.data()};
        if (!first)
            return;
 
        ::memset(first, 0, _storage.size());
    }

Referenced by __crt_stdio_input::format_string_parser< Character >::scan_scanset_range().

set()

template<typename UnsignedCharacter >

void __crt_stdio_input::scanset_buffer< UnsignedCharacter >::set ( UnsignedCharacter const  c ) throw ( )

inline

Definition at line 294 of file corecrt_internal_stdio_input.h.

    {
        _storage.data()[c / CHAR_BIT] |= 1 << (c % CHAR_BIT);
    }

Referenced by __crt_stdio_input::format_string_parser< Character >::scan_scanset_range().

test()

template<typename UnsignedCharacter >

bool __crt_stdio_input::scanset_buffer< UnsignedCharacter >::test ( UnsignedCharacter const  c ) const throw ( )

inline

Definition at line 299 of file corecrt_internal_stdio_input.h.

    {
        return (_storage.data()[c / CHAR_BIT] & 1 << (c % CHAR_BIT)) != 0;
    }

Referenced by __crt_stdio_input::input_processor< Character, InputAdapter >::is_character_allowed_in_string().

Member Data Documentation

_storage

template<typename UnsignedCharacter >

scanset_storage<sizeof(UnsignedCharacter)> __crt_stdio_input::scanset_buffer< UnsignedCharacter >::_storage

private

Definition at line 326 of file corecrt_internal_stdio_input.h.

Referenced by __crt_stdio_input::scanset_buffer< UnsignedCharacter >::invert(), __crt_stdio_input::scanset_buffer< UnsignedCharacter >::is_usable(), __crt_stdio_input::scanset_buffer< UnsignedCharacter >::reset(), __crt_stdio_input::scanset_buffer< UnsignedCharacter >::set(), and __crt_stdio_input::scanset_buffer< UnsignedCharacter >::test().

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

• sdk/lib/ucrt/inc/corecrt_internal_stdio_input.h