Namespace
Varianti

std::wstring_convert

Da cppreference.com.
< cpp‎ | locale

 
 
Localizzazioni libreria
Impostazioni internazionali e sfaccettature
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Locales and facets
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locale
Carattere classificazione
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Character classification
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Conversioni
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Conversions
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wstring_convert(C++11)
wbuffer_convert(C++11)
Facet categoria classi di base
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Facet category base classes
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Facet categorie
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Facet categories
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Locale specifici aspetti
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Locale-specific facets
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Codice di conversione sfaccettature
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Code conversion facets
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codecvt_utf8(C++11)
codecvt_utf16(C++11)
C locale
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C locale
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std::wstring_convert
Membri funzioni
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Member functions
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wstring_convert::wstring_convert
wstring_convert::~wstring_convert
wstring_convert::from_bytes
wstring_convert::to_bytes
wstring_convert::converted
wstring_convert::state
 
Defined in header <locale>
template< class Codecvt,

          class Elem = wchar_t,
          class Wide_alloc = std::allocator<Elem>,
          class Byte_alloc = std::allocator<char> >

class wstring_convert;
(dal C++11)
Modello std::wstring_convert classe esegue conversioni tra std::string stringa di byte e std::basic_string<Elem> stringa di larghezza, con un individuo di conversione Codecvt codice sfaccettatura. std::wstring_convert si assume la proprietà della faccetta di conversione, e non può usare un aspetto gestito da un locale. Le sfaccettature tipo utilizzabili con std::wstring_convert sono std::codecvt_utf8 per UTF-8/UCS2 e UTF-8/UCS4 conversioni e std::codecvt_utf8_utf16 per UTF-8/UTF-16 conversioni.
Original:
Class template std::wstring_convert performs conversions between byte string std::string and wide string std::basic_string<Elem>, using an individual code conversion facet Codecvt. std::wstring_convert assumes ownership of the conversion facet, and cannot use a facet managed by a locale. The standard facets suitable for use with std::wstring_convert are std::codecvt_utf8 for UTF-8/UCS2 and UTF-8/UCS4 conversions and std::codecvt_utf8_utf16 for UTF-8/UTF-16 conversions.
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[modifica] Membri tipi

Membro tipo
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Member type
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Definition
byte_string std::basic_string<char, char_traits<char>, Byte_alloc>
wide_string std::basic_string<Elem, char_traits<Elem>, Wide_alloc>
state_type Codecvt::state_type
int_type wide_string::traits_type::int_type

[modifica] Membri funzioni

costruisce un nuovo wstring_convert
Original:
constructs a new wstring_convert
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(membro pubblico funzione) [edit]
distrugge la wstring_convert e il suo aspetto di conversione
Original:
destructs the wstring_convert and its conversion facet
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(membro pubblico funzione) [edit]
converte una stringa di byte in una stringa di larghezza
Original:
converts a byte string into a wide string
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(membro pubblico funzione) [edit]
converte una stringa larga in una stringa di byte
Original:
converts a wide string into a byte string
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(membro pubblico funzione) [edit]
restituisce il numero di caratteri convertiti con successo
Original:
returns the number of characters successfully converted
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(membro pubblico funzione) [edit]
restituisce lo stato corrente conversione
Original:
returns the current conversion state
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(membro pubblico funzione) [edit]

[modifica] Vedi anche

Character
conversions
narrow multibyte
(char)
UTF-8
(char)
UTF-16
(char16_t)
UTF-16 mbrtoc16 / c16rtomb codecvt<char16_t, char, mbstate_t>
codecvt_utf8_utf16<char16_t>
codecvt_utf8_utf16<char32_t>
codecvt_utf8_utf16<wchar_t>
N/A
UCS2 No codecvt_utf8<char16_t> codecvt_utf16<char16_t>
UTF-32/UCS4
(char32_t)
mbrtoc32 / c32rtomb codecvt<char32_t, char, mbstate_t>
codecvt_utf8<char32_t>
codecvt_utf16<char32_t>
UCS2/UCS4
(wchar_t)
No codecvt_utf8<wchar_t> codecvt_utf16<wchar_t>
wide
(wchar_t)
codecvt<wchar_t, char, mbstate_t>
mbsrtowcs / wcsrtombs
No No
esegue la conversione tra un buffer di flusso di byte e un buffer ampio filone
Original:
performs conversion between a byte stream buffer and a wide stream buffer
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(classe template) [edit]
converte tra UTF-8 e UCS2/UCS4
Original:
converts between UTF-8 and UCS2/UCS4
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(classe template) [edit]
converts between UTF-8 and UTF-16
(classe template) [edit]