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std::wbuffer_convert::~wbuffer_convert

Da cppreference.com

 
 
Biblioteca localizações
Localidades e facetas
Original:
Locales and facets
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locale
Classificação de caracteres
Original:
Character classification
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Conversões
Original:
Conversions
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Facet classes base da categoria
Original:
Facet category base classes
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Categorias faceta
Original:
Facet categories
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Específicos da localidade facetas
Original:
Locale-specific facets
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Facetas de conversão de código
Original:
Code conversion facets
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codecvt_utf8(C++11)
codecvt_utf16(C++11)
C localidade
Original:
C locale
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std::wbuffer_convert
Funções de membro
Original:
Member functions
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wbuffer_convert::wbuffer_convert
wbuffer_convert::~wbuffer_convert
wbuffer_convert::rdbuf
wbuffer_convert::state
 
Defined in header <locale>
~wbuffer_convert();
Destrói o objeto wbuffer_convert e elimina o ponteiro para a faceta de conversão.
Original:
Destroys the wbuffer_convert object and deletes the pointer to the conversion facet.
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[editar] Notas

Algumas implementações são capazes de excluir qualquer faceta, incluindo os aspectos específicos da localidade com destruidores protegidas. Outras implementações requerem a faceta de ter um destruidor pública, semelhantes aos dos aspectos independentes de localidade de <codecvt>.
Original:
Some implementations are able to delete any facet, including the locale-specific facets with protected destructors. Other implementations require the facet to have a public destructor, similar to the the locale-independent facets from <codecvt>.
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[editar] Exemplo

#include <locale>
#include <utility>
#include <iostream>
#include <codecvt>
 
// utility wrapper to adapt locale-bound facets for wstring/wbuffer convert
template<class Facet>
struct deletable_facet : Facet
{
    template<class ...Args>
    deletable_facet(Args&& ...args) : Facet(std::forward<Args>(args)...) {}
    ~deletable_facet() {}
};
 
int main()
{
    // GB18030 / UCS4 conversion, using locale-based facet directly
    // typedef std::codecvt_byname<char32_t, char, std::mbstate_t> gbfacet_t;
    // Compiler error: "calling a protected destructor of codecvt_byname<> in ~wbuffer_convert"
    // std::wbuffer_convert<gbfacet_t, char32_t> gbto32(std::cout.rdbuf(),
    //                                        new gbfacet_t("zh_CN.gb18030"));
 
    // GB18030 / UCS4 conversion facet using a facet with public destructor
    typedef deletable_facet<std::codecvt_byname<char32_t, char, std::mbstate_t>> gbfacet_t;
    std::wbuffer_convert<gbfacet_t, char32_t> gbto32(std::cout.rdbuf(),
                                           new gbfacet_t("zh_CN.gb18030"));
} // destructor called here


[editar] Veja também

destrói o wstring_convert e sua faceta de conversão
Original:
destructs the wstring_convert and its conversion facet
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(of std::wstring_convert função pública membro) [edit]