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std::towctrans

Da cppreference.com
< cpp‎ | string‎ | wide

 
 
Biblioteca cordas
Strings terminadas
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Null-terminated strings
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Cadeias de bytes
Multibyte cordas
Cordas de largura
Classes
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Classes
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basic_string
char_traits
 
Strings terminadas largura
Funções
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Functions
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Manipulação personagem
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Character manipulation
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Conversões para formatos numéricos
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Conversions to numeric formats
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Manipulação de cadeia
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String manipulation
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Manipulação matriz
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Array manipulation
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Defined in header <cwctype>
std::wint_t towctrans( std::wint_t wc, std::wctrans_t desc );
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.
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Índice

[editar] Parâmetros

ch -
o caráter amplo para mapear
Original:
the wide character to map
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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
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[editar] 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.
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[editar] Exemplo

O exemplo a seguir demonstra katakana para o mapeamento de caracteres hiragana
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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

[editar] Veja também

olha uma categoria de mapeamento de caracteres na localidade C atual
Original:
looks up a character mapping category in the current C locale
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(função) [edit]
C documentation for towctrans