__crt_stdio_input Namespace Reference

Classes
class	console_input_adapter
class	format_string_parser
class	input_processor
class	scanset_buffer
class	scanset_storage
class	scanset_storage< sizeof(char)>
class	scanset_storage< sizeof(wchar_t)>
class	stream_input_adapter
class	string_input_adapter
struct	uintn_t_impl
struct	uintn_t_impl< 4 >
struct	uintn_t_impl< 8 >

Typedefs
template<size_t N>
using	uintn_t = typename uintn_t_impl< N >::type

Enumerations
enum class	format_directive_kind {   unknown_error , end_of_string , whitespace , literal_character ,   conversion_specifier }
enum class	length_modifier {   none , hh , h , l ,   ll , j , z , t ,   L , I32 , I64 , T ,   enumerator_count }
enum class	conversion_mode {   character , string , signed_unknown , signed_decimal ,   unsigned_octal , unsigned_decimal , unsigned_hexadecimal , floating_point ,   scanset , report_character_count , enumerator_count }

Functions
template<template< typename > class InputAdapter, typename Character >
__acrt_stdio_char_traits< Character >::int_type __cdecl	skip_whitespace (InputAdapter< Character > &adapter, _locale_t const locale)
size_t __cdecl	to_integer_length (length_modifier const length) throw ()
size_t __cdecl	to_floating_point_length (length_modifier const length) throw ()
bool __cdecl	is_length_valid (conversion_mode const mode, length_modifier const length) throw ()

Typedef Documentation

uintn_t

template<size_t N>

using __crt_stdio_input::uintn_t = typedef typename uintn_t_impl<N>::type

Definition at line 448 of file corecrt_internal_stdio_input.h.

Enumeration Type Documentation

conversion_mode

enum class __crt_stdio_input::conversion_mode

strong

Enumerator
character
string
signed_unknown
signed_decimal
unsigned_octal
unsigned_decimal
unsigned_hexadecimal
floating_point
scanset
report_character_count
enumerator_count

Definition at line 401 of file corecrt_internal_stdio_input.h.

{
    character,
    string,
 
    signed_unknown,
    signed_decimal,
    unsigned_octal,
    unsigned_decimal,
    unsigned_hexadecimal,
 
    floating_point,
 
    scanset,
 
    report_character_count,
 
    enumerator_count
};

format_directive_kind

enum class __crt_stdio_input::format_directive_kind

strong

Enumerator
unknown_error
end_of_string
whitespace
literal_character
conversion_specifier

Definition at line 340 of file corecrt_internal_stdio_input.h.

{
    unknown_error,
    end_of_string,
    whitespace,
    literal_character,
    conversion_specifier
};

length_modifier

enum class __crt_stdio_input::length_modifier

strong

Enumerator
none
hh
h
l
ll
j
z
t
L
I32
I64
T
enumerator_count

Definition at line 349 of file corecrt_internal_stdio_input.h.

{
    none,
    hh,
    h,
    l,
    ll,
    j,
    z,
    t,
    L,
    I32,
    I64,
    T,
    enumerator_count
};

Function Documentation

is_length_valid()

bool __cdecl __crt_stdio_input::is_length_valid ( conversion_mode const  mode, length_modifier const  length  ) throw ( )

inline

Definition at line 421 of file corecrt_internal_stdio_input.h.

{
    static unsigned char const constraints
        [static_cast<size_t>(conversion_mode::enumerator_count)]
        [static_cast<size_t>(length_modifier::enumerator_count)]
    {
                                     /* none hh   h    l    ll   j    z    t    L    I32  I64  T */
        /* character              */ {  1  , 0  , 1  , 1  , 1  , 0  , 0  , 0  , 1  , 0  , 0  , 1  },
        /* string                 */ {  1  , 0  , 1  , 1  , 1  , 0  , 0  , 0  , 1  , 0  , 0  , 1  },
        /* signed decimal         */ {  1  , 1  , 1  , 1  , 1  , 1  , 1  , 1  , 0  , 1  , 1  , 0  },
        /* signed unknown         */ {  1  , 1  , 1  , 1  , 1  , 1  , 1  , 1  , 0  , 1  , 1  , 0  },
        /* unsigned octal         */ {  1  , 1  , 1  , 1  , 1  , 1  , 1  , 1  , 0  , 1  , 1  , 0  },
        /* unsigned decimal       */ {  1  , 1  , 1  , 1  , 1  , 1  , 1  , 1  , 0  , 1  , 1  , 0  },
        /* unsigned hexadecimal   */ {  1  , 1  , 1  , 1  , 1  , 1  , 1  , 1  , 0  , 1  , 1  , 0  },
        /* floating point         */ {  1  , 0  , 0  , 1  , 0  , 0  , 0  , 0  , 1  , 0  , 0  , 0  },
        /* scanset                */ {  1  , 0  , 0  , 1  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 1  },
        /* report character count */ {  1  , 1  , 1  , 1  , 1  , 1  , 1  , 1  , 0  , 1  , 1  , 0  }
    };
 
    return constraints[static_cast<size_t>(mode)][static_cast<size_t>(length)] != 0;
}

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

skip_whitespace()

template<template< typename > class InputAdapter, typename Character >

__acrt_stdio_char_traits< Character >::int_type __cdecl __crt_stdio_input::skip_whitespace	(	InputAdapter< Character > &	adapter,
		_locale_t const	locale
	)

Definition at line 195 of file corecrt_internal_stdio_input.h.

{
    using traits             = __acrt_stdio_char_traits<Character>;
    using char_type          = Character;
    using unsigned_char_type = typename traits::unsigned_char_type;
    using int_type           = typename traits::int_type;
 
    int_type c;
 
    do
    {
        c = adapter.get();
 
        if (c == traits::eof)
            break;
    }
    while (__crt_strtox::is_space(static_cast<char_type>(c), locale));
 
    return c;
}

to_floating_point_length()

size_t __cdecl __crt_stdio_input::to_floating_point_length ( length_modifier const  length ) throw ( )

inline

Definition at line 387 of file corecrt_internal_stdio_input.h.

{
    switch (length)
    {
    case length_modifier::none: return sizeof(float      );
    case length_modifier::l:    return sizeof(double     );
    case length_modifier::L:    return sizeof(long double);
 
    default:
        _ASSERTE(("Unexpected length specifier", false));
        return 0;
    }
}

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

to_integer_length()

size_t __cdecl __crt_stdio_input::to_integer_length ( length_modifier const  length ) throw ( )

inline

Definition at line 366 of file corecrt_internal_stdio_input.h.

{
    switch (length)
    {
    case length_modifier::none: return sizeof(int      );
    case length_modifier::hh:   return sizeof(char     );
    case length_modifier::h:    return sizeof(short    );
    case length_modifier::l:    return sizeof(long     );
    case length_modifier::ll:   return sizeof(long long);
    case length_modifier::j:    return sizeof(intmax_t );
    case length_modifier::z:    return sizeof(size_t   );
    case length_modifier::t:    return sizeof(ptrdiff_t);
    case length_modifier::I32:  return sizeof(int32_t  );
    case length_modifier::I64:  return sizeof(int64_t  );
 
    default:
        _ASSERTE(("Unexpected length specifier", false));
        return 0;
    }
}

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