std::towctrans — cppreference.com

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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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
desc	-	la cartographie LC_CTYPE, obtenu par un appel à 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.

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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]