std::towctrans

 

C++

Linguaggio

Concetti

Libreria di Utilità

Stringhe

Contenitori

Algoritmi

Iteratori

Libreria matematca

Input/output

Localizzazione

Espressioni regolari(C++11)

Operazioni atomicche(C++11)

Multithreading(C++11)

 

Stringhe libreria

Null-stringhe terminate Original: Null-terminated strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Byte stringhe

Multibyte stringhe

Stringhe larghe

Classi Original: Classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string

char_traits

 

Stringhe larghe null-terminated

Funzioni Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Carattere manipolazione Original: Character manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
iswalnum iswalpha iswlower iswupper iswdigit iswxdigit iswblank (C++11) wctype iswctype	iswcntrl iswgraph iswspace iswprint iswpunct towlower towupper wctrans towctrans
Le conversioni in formati numerici Original: Conversions to numeric formats The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
wcstol wcstoll wcstoul wcstoull	wcstof wcstod wcstold
Della gestione delle stringhe Original: String manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
wcslen wcscpy wcsncpy wcscat wcsncat wcscmp wcscoll wcsncmp	wcsxfrm wcschr wcsrchr wcspbrk wcsspn wcscspn wcsstr wcstok
Matrice manipolazione Original: Array manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
wmemcpy
wmemmove
wmemcmp
wmemchr
wmemset

 

Elemento definito nell'header <cwctype>
std::wint_t towctrans( std::wint_t wc, std::wctrans_t desc );

Mappe il carattere ampio wc utilizzando categoria LC_CTYPE mappatura della corrente C locale è identificato da desc.

Original:

Maps the wide character wc using the current C locale's LC_CTYPE mapping category identified by desc.

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Parametri

ch	-	il carattere esteso per mappare Original: the wide character to map The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
desc	-	la mappatura LC_CTYPE, ottenuto da una chiamata a std::wctrans Original: the LC_CTYPE mapping, obtained from a call to std::wctrans The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valore di ritorno

Il valore mappato del ch utilizzando il mapping identificato da desc in aspetto LC_CTYPE della versione locale corrente C.

Original:

The mapped value of ch using the mapping identified by desc in LC_CTYPE facet of the current C locale.

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Esempio

L'esempio seguente mostra la mappatura katakana hiragana carattere

Original:

The following example demonstrates katakana to hiragana character mapping

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#include <clocale>#include <cwctype>#include <iostream>#include <algorithm>   std::wstring tohira(std::wstring str){std::transform(str.begin(), str.end(), str.begin(), [](wchar_t c){return std::towctrans(c, std::wctrans("tojhira"));});return str;}   int main(){std::setlocale(LC_ALL, "ja_JP.UTF-8");std::wstring kana = L"ヒラガナ";std::wcout<<"katakana characters "<< kana <<" are "<< tohira(kana)<<" in hiragana\n";}

Output:

katakana characters ヒラガナ are ひらがな in hiragana

Vedi anche

wctrans	cerca una categoria mappatura personaggio nella versione locale corrente C Original: looks up a character mapping category in the current C locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione)
C documentation for towctrans