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std::towctrans

De cppreference.com
< cpp‎ | string‎ | wide

 
 
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
 
Defined in header <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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Sommaire

[modifier] 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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[modifier] 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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[modifier] 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

[modifier] 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