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    std::towctrans

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    <metanoindex/>

     
    C++
     
    Bibliothèque de chaînes de caractères
    Chaînes à zéro terminal
    Original:
    Null-terminated strings
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    Les chaînes d'octets
    Chaines multi-octets
    Les chaînes étendues
    Classes
    Original:
    Classes
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    basic_string
    char_traits
     
    Chaînes à zéro terminal de large
    Fonctions
    Original:
    Functions
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    Manipulation caractère
    Original:
    Character manipulation
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    Conversion aux formats numériques
    Original:
    Conversions to numeric formats
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    La manipulation de chaînes
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    String manipulation
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    La manipulation des tableaux
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    Array manipulation
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    wmemcpy
    wmemmove
    wmemcmp
    wmemchr
    wmemset
     
    <tbody> </tbody>
    Déclaré dans l'en-tête <cwctype>
    std::wint_t towctrans( std::wint_t wc, std::wctrans_t desc );
    Cartes wc le caractère large en utilisant le courant catégorie C LC_CTYPE locale de cartographie identifié par desc .
    Original:
    Maps the wide character wc using the current C locale's LC_CTYPE mapping category identified by desc.
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    Paramètres

    ch -
    le caractère large de cartographier
    Original:
    the wide character to map
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    desc -
    la cartographie LC_CTYPE, obtenu par un appel à std::wctrans
    Original:
    the LC_CTYPE mapping, obtained from a call to std::wctrans
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    Retourne la valeur

    La valeur mappée de ch l'aide de la cartographie identifié par desc dans la facette LC_CTYPE de la localisation en cours 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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    Exemple

    L'exemple suivant montre katakana à mappage de caractères hiragana
    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";
}

    Résultat : 

    katakana characters ヒラガナ are ひらがな in hiragana

    Voir aussi
    lève une catégorie mappage des caractères dans la locale courante C
    Original:
    looks up a character mapping category in the current C locale
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    (fonction) [edit]
    C documentation for towctrans