Espaços nominais
Variantes
    Ações

      std::wbuffer_convert::rdbuf

      De cppreference.com

      This page has been machine-translated from the English version of the wiki using Google Translate.

      The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here.

      Click here for the English version of this page

      <metanoindex/>

       
      C++
       
      Biblioteca localizações
      Localidades e facetas
      Original:
      Locales and facets
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Classificação de caracteres
      Original:
      Character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Conversões
      Original:
      Conversions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Facet classes base da categoria
      Original:
      Facet category base classes
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Categorias faceta
      Original:
      Facet categories
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Específicos da localidade facetas
      Original:
      Locale-specific facets
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Facetas de conversão de código
      Original:
      Code conversion facets
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      C localidade
      Original:
      C locale
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
       
      std::wbuffer_convert
      Funções de membro
      Original:
      Member functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      wbuffer_convert::wbuffer_convert
      wbuffer_convert::~wbuffer_convert
      wbuffer_convert::rdbuf
      wbuffer_convert::state
       
      <tbody> </tbody>
      Definido no cabeçalho <locale>
      std::streambuf* rdbuf() const;
      		 (1)
      std::streambuf* rdbuf( std::streambuf* bytebuf );
      		 (2)

      1)

      retorna o ponteiro para o fluxo de bytes subjacente
      Original:
      returns the pointer to the underlying byte stream
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      2)

      substitui o fluxo de bytes associado com bytebuf
      Original:
      replaces the associated byte stream with bytebuf
      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

      1)

      o fluxo de bytes atual subjacente
      Original:
      the current underlying byte stream
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      2)

      o fluxo de bytes anterior
      Original:
      the previous byte stream
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Exemplo

      #include <iostream>
#include <sstream>
#include <locale>
#include <codecvt>
int main()
{
    // convert UTF-8 to UCS4
    std::stringbuf utf8buf(u8"z\u00df\u6c34\U0001d10b");  // or u8"zß水𝄋"
                       // or "\x7a\xc3\x9f\xe6\xb0\xb4\xf0\x9d\x84\x8b";
    std::wbuffer_convert<std::codecvt_utf8<wchar_t>> conv(&utf8buf);
    std::wistream ucsbuf(&conv);
    std::cout << "Reading from a UTF-8 stringbuf via wbuffer_convert:\n";
    for(wchar_t c; ucsbuf.get(c); )
        std::cout << std::hex << std::showbase << c << '\n';
 
    // reuse the same wbuffer_convert to handle UCS4 to UTF-8 output
    conv.rdbuf(std::cout.rdbuf());
    std::wostream out(&conv);
    std::cout << "Sending UCS4 data to std::cout via wbuffer_convert:\n";
    out << L"z\u00df\u6c34\U0001d10b\n";
}

      Saída: 

      Reading from a UTF-8 stringbuf via wbuffer_convert:
0x7a
0xdf
0x6c34
0x1d10b
Sending UCS4 data to std::cout via wbuffer_convert:
zß水𝄋

      Veja também
      constrói um novo wbuffer_convert
      Original:
      constructs a new wbuffer_convert
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (função pública membro) [edit]