Espaços nominais
Variantes
    Ações

      std::ctype

      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::ctype
      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.
      ctype::ctype
      ctype::~ctype
      ctype::is
      ctype::do_is
      ctype::scan_id
      ctype::do_scan_id
      ctype::scan_not
      ctype::do_scan_not
      ctype::toupper
      ctype::do_toupper
      ctype::tolower
      ctype::do_tolower
      ctype::widen
      ctype::do_widen
      ctype::narrow
      ctype::do_narrow
       
      <tbody> </tbody>
      Definido no cabeçalho <locale>
      template< class CharT > class ctype;
      Classe ctype encapsula funcionalidades de classificação de caracteres. Todas as operações realizadas através de fluxo de entrada std::basic_istream<charT> usar o std::ctype<charT> do local imbuído no fluxo de identificar caracteres de espaço para geração de tokens de entrada. Operações de saída de fluxo para aplicar std::ctype<charT>::widen() estreitos-caráter argumentos antes da saída.
      Original:
      Class ctype encapsulates character classification features. All stream input operations performed through std::basic_istream<charT> use the std::ctype<charT> of the locale imbued in the stream to identify whitespace characters for input tokenization. Stream output operations apply std::ctype<charT>::widen() to narrow-character arguments prior to output.
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      cpp/locale/ctype basecpp/locale/locale/facet

      Inheritance diagram

      Duas especializações são fornecidos pela biblioteca padrão
      Original:
      Two specializations are provided by the standard library
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Defined in header <locale>
      std::ctype<char>
      fornece equivalentes da classificação de localidade "C". Esta especialização usa pesquisa de tabela para classificação de caracteres
      Original:
      provides equivalents of the "C" locale classification. This specialization uses table lookup for character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      std::ctype<wchar_t>
      fornece equivalentes caracteres largos do local classificação "C"
      Original:
      provides wide character equivalents of the "C" locale classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Tipos de membro

      Tipo de membro
      Original:
      Member type
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      		 Definition
      char_type CharT

      Funções de membro
      constrói uma faceta ctype novo
      Original:
      constructs a new ctype facet
      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)
      destrói uma faceta ctype
      Original:
      destructs a ctype facet
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (protegido função de membro)
      Invoca do_is
      Original:
      invokes do_is
      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]
      Invoca do_scan_is
      Original:
      invokes do_scan_is
      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]
      Invoca do_scan_not
      Original:
      invokes do_scan_not
      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]
      Invoca do_toupper
      Original:
      invokes do_toupper
      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]
      Invoca do_tolower
      Original:
      invokes do_tolower
      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]
      Invoca do_widen
      Original:
      invokes do_widen
      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]
      Invoca do_narrow
      Original:
      invokes do_narrow
      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]

      Protegido funções de membro

      [virtual]
      classifica um personagem ou uma sequência de caracteres
      Original:
      classifies a character or a character sequence
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (virtual protegido função de membro) [edit]
      [virtual]
      localiza o primeiro caractere em uma seqüência que está de acordo com a classificação dada
      Original:
      locates the first character in a sequence that conforms to given classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (virtual protegido função de membro) [edit]
      [virtual]
      localiza o primeiro caractere em uma seqüência que não classificação givne
      Original:
      locates the first character in a sequence that fails givne classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (virtual protegido função de membro) [edit]
      [virtual]
      converte um caractere ou caracteres em maiúsculas
      Original:
      converts a character or characters to uppercase
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (virtual protegido função de membro) [edit]
      [virtual]
      converte um caractere ou caracteres em letras minúsculas
      Original:
      converts a character or characters to lowercase
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (virtual protegido função de membro) [edit]
      [virtual]
      converte um caractere ou caracteres de char para charT
      Original:
      converts a character or characters from char to charT
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (virtual protegido função de membro) [edit]
      [virtual]
      converte um caractere ou caracteres de charT para char
      Original:
      converts a character or characters from charT to char
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (virtual protegido função de membro) [edit]

      Objetos Membros

      static std::locale::id id
      ' ID da localidade
      Original:
      id of the locale
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (objeto membro público)

      Herdado de std::ctype_base

      Member types

      Tipo
      Original:
      Type
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      		 Definition
      mask
      bitmask tipo não especificado (tipo de enumeração, inteiro, ou bitset)
      Original:
      unspecified bitmask type (enumeration, integer type, or bitset)
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Member constants

      space
      [estática]
      o valor de mask classificação de caracteres identificando espaços em branco
      Original:
      the value of mask identifying whitespace character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      print
      [estática]
      o valor de mask identificar classificação de caracteres impressos
      Original:
      the value of mask identifying printable character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      cntrl
      [estática]
      o valor de mask classificação identificar controle personagem
      Original:
      the value of mask identifying control character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      upper
      [estática]
      o valor de mask identificar classificação de caracteres em letras maiúsculas
      Original:
      the value of mask identifying uppercase character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      lower
      [estática]
      o valor de mask identificar classificação de caracteres em letras minúsculas
      Original:
      the value of mask identifying lowercase character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      alpha
      [estática]
      o valor de mask identificar classificação caractere alfabético
      Original:
      the value of mask identifying alphabetic character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      digit
      [estática]
      o valor de identificação de classificação mask caractere de dígito
      Original:
      the value of mask identifying digit character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      punct
      [estática]
      o valor de identificação de classificação mask pontuação personagem
      Original:
      the value of mask identifying punctuation character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      xdigit
      [estática]
      o valor de mask identificar classificação de caracteres hexadecimal dígitos
      Original:
      the value of mask identifying hexadecimal digit character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      blank
      [estática] (C++11)
      o valor de mask identificar classificação de caracteres em branco
      Original:
      the value of mask identifying blank character classification
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (membro estático público constante)
      alnum
      [estática]
      		 alpha | digit
      (membro estático público constante)
      graph
      [estática]
      		 alnum | punct
      (membro estático público constante)

      Exemplo

      O exemplo a seguir demonstra a modificação de uma ctype diferente <char> ctype tokenizar de um arquivo CSV
      Original:
      The following example demonstrates modification of a ctype other than ctype<char> to tokenize of a CSV file
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      #include <iostream>
#include <locale>
#include <sstream>
 
struct csv_whitespace : std::ctype<wchar_t> {
    bool do_is(mask m, char_type c) const
    {   
        if ((m & space) && c == L' ') {
            return false; // space will NOT be classified as whitespace
        }
        if ((m & space) && c == L',') {
            return true; // comma will be classified as whitespace
        }
        return ctype::do_is(m, c); // leave the rest to the parent class
    } 
};
 
int main()
{
    std::wstring in = L"Column 1,Column 2,Column 3\n123,456,789";
    std::wstring token;
 
    std::wcout << "default locale:\n";
    std::wistringstream s1(in);
    while (s1 >> token) {
        std::wcout << "  " << token << '\n';
    }
 
    std::wcout << "locale with modified ctype:\n";
    std::wistringstream s2(in);
    s2.imbue(std::locale(s2.getloc(), new csv_whitespace()));
    while (s2 >> token) {
        std::wcout << "  " << token<< '\n';
    }
}

      Saída: 

      default locale:
  Column
  1,Column
  2,Column
  3
  123,456,789
locale with modified ctype:
  Column 1
  Column 2
  Column 3
  123
  456
  789

      Veja também
      especialização de std::ctype para char tipo
      Original:
      specialization of std::ctype for type char
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (especialização modelo. classe)
      define categorias de classificação de caracteres
      Original:
      defines character classification categories
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (modelo de classe)
      cria uma faceta ctype para a localidade chamada
      Original:
      creates a ctype facet for the named locale
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (modelo de classe)
      Morty Proxy This is a proxified and sanitized view of the page, visit original site.