Varianti

    std::towctrans

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    <metanoindex/>

     
    C++
     
    Stringhe libreria
    Null-stringhe terminate
    Original:
    Null-terminated strings
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    Byte stringhe
    Multibyte stringhe
    Stringhe larghe
    Classi
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    Classes
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    basic_string
    char_traits
     
    Stringhe larghe null-terminated
    Funzioni
    Original:
    Functions
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    Carattere manipolazione
    Original:
    Character manipulation
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    Le conversioni in formati numerici
    Original:
    Conversions to numeric formats
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    Della gestione delle stringhe
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    String manipulation
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    Matrice manipolazione
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    Array manipulation
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    wmemcpy
    wmemmove
    wmemcmp
    wmemchr
    wmemset
     
    <tbody> </tbody>
    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
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    desc -
    la mappatura LC_CTYPE, ottenuto da una chiamata a std::wctrans
    Original:
    the LC_CTYPE mapping, obtained from a call to std::wctrans
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    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
    cerca una categoria mappatura personaggio nella versione locale corrente C
    Original:
    looks up a character mapping category in the current C locale
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    (funzione) [modifica]
    C documentation for towctrans