std::towctrans
De cppreference.com
<metanoindex/>
<tbody> </tbody>| Definido no cabeçalho <cwctype>
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std::wint_t towctrans( std::wint_t wc, std::wctrans_t desc ); |
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Mapas do caráter amplo
wc usando a categoria atual C locale LC_CTYPE mapeamento identificado por desc.Original:
Maps the wide character
wc using the current C locale's LC_CTYPE mapping category identified by desc.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Parâmetros
| ch | - | o caráter amplo para mapear
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 | - | o mapeamento LC_CTYPE, obtido a partir de uma chamada para 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. |
Valor de retorno
O valor de
ch mapeada usando o mapeamento identificado por desc em faceta LC_CTYPE da localidade C atual.Original:
The mapped value of
ch using the mapping identified by desc in LC_CTYPE facet of 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.
You can help to correct and verify the translation. Click here for instructions.
Exemplo
O exemplo a seguir demonstra katakana para o mapeamento de caracteres hiragana
Original:
The following example demonstrates katakana to hiragana character mapping
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
#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";
}
Saída:
katakana characters ヒラガナ are ひらがな in hiragana