std::towctrans – cppreference.com

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definiert in Header `<cwctype>`

`std::wint_t towctrans( std::wint_t wc, std::wctrans_t desc );`

Ordnet die Breitzeichen wc mit der aktuellen C Gebietsschemas LC_CTYPE Mapping Kategorie durch desc identifiziert .

Original:

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

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Parameter

ch	-	die breite Zeichen abzubilden 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	-	die LC_CTYPE Mapping, von einem Aufruf std::wctrans erhalten 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.

Rückgabewert

Das abgebildete Wert ch mit der Zuordnung durch desc in LC_CTYPE Facette der aktuellen C locale identifiziert .

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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Beispiel

Das folgende Beispiel zeigt Katakana zu Hiragana-Mapping

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

Siehe auch


	sieht eine Zeichenzuordnung Kategorie in der aktuellen C locale 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. (Funktion) [edit]