std::basic_stringbuf::basic_stringbuf
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explicit basic_stringbuf(std::ios_base::openmode which = std::ios_base::in | std::ios_base::out); |
(1) | |
explicit basic_stringbuf (const std::basic_string<CharT, traits, Allocator>& new_str, std::ios_base::openmode which = std::ios_base::in | std::ios_base::out); |
(2) | |
basic_stringbuf(const basic_stringbuf& rhs) = delete; |
(3) | |
basic_stringbuf(basic_stringbuf&& rhs); |
(4) | (desde C++11) |
1)
Construye un objeto
std::basic_stringbuf: inicializa la clase base llamando al constructor por defecto de std::basic_streambuf, inicializa la secuencia de caracteres con una cadena vacía, y establece el modo para which .Original:
Constructs a
std::basic_stringbuf object: initializes the base class by calling the default constructor of std::basic_streambuf, initializes the character sequence with an empty string, and sets the mode to which.The text has been machine-translated via Google Translate.
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2)
Construye un objeto
std::basic_stringbuf mediante la realización de la misma inicialización como 1), seguido por la inicialización de la secuencia de caracteres asociado como si se aplicase str (new_str)
.Original:
str(new_str)
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Original:
Constructs a
std::basic_stringbuf object by performing the same initialization as 1), followed by initializing the associated character sequence as if by calling str (new_str)
.Original:
str(new_str)
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3)
El constructor de copia se suprime
std::basic_stringbuf no es CopyConstructibleOriginal:
The copy constructor is deleted;
std::basic_stringbuf is not CopyConstructibleThe text has been machine-translated via Google Translate.
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4)
Move-construye un objeto
std::basic_stringbuf moviendo todo el estado de otro objeto std::basic_stringbuf rhs, incluyendo la cadena asociada, la modalidad abierta, el lugar, y todo otro estado. Después del movimiento, los seis punteros de std::basic_streambuf en *this están garantizados para ser diferentes de los punteros correspondientes en el rhs-movido desde menos nulo .Original:
Move-constructs a
std::basic_stringbuf object by moving all state from another std::basic_stringbuf object rhs, including the associated string, the open mode, the locale, and all other state. After the move, the six pointers of std::basic_streambuf in *this are guaranteed to be different from the corresponding pointers in the moved-from rhs unless null.The text has been machine-translated via Google Translate.
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Parámetros
| new_str | - | un
basic_string utiliza para inicializar el buffer Original: a basic_string used to initialize the buffer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | ||||||||||||||||||||||||||||||||
| rhs | - | otro
basic_stringbuf Original: another basic_stringbuf The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | ||||||||||||||||||||||||||||||||
| mode | - | especifica el modo de transmisión abierta. Es el tipo de máscara de bits, las siguientes constantes son definidas:
Original: specifies stream open mode. It is bitmask type, the following constants are defined:
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Notas
Por lo general convocada por el constructor de std::basic_stringstream .
Original:
Typically called by the constructor of std::basic_stringstream.
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El nivel de soporte para los modos que no sean abiertas y std::ios_base::in std::ios_base::out varía entre implementaciones. C + 11 especifica explícitamente el apoyo a std::ios_base::ate en
str() y en este constructor, pero std::ios_base::app, std::ios_base::trunc y std::ios_base::binary tener efectos diferentes en las distintas aplicaciones .Original:
The level of support for the open modes other than std::ios_base::in and std::ios_base::out varies among implementations. C++11 explicitly specifies the support for std::ios_base::ate in
str() and in this constructor, but std::ios_base::app, std::ios_base::trunc, and std::ios_base::binary have different effects on different implementations.The text has been machine-translated via Google Translate.
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Ejemplo
Demuestra una llamada al constructor de basic_stringbuf directamente .
Original:
Demonstrates calling the constructor of basic_stringbuf directly.
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Ejecuta este código
#include <iostream>
#include <sstream>
int main()
{
// default constructor (mode = in|out)
std::stringbuf buf1;
buf1.sputc('1');
std::cout << &buf1 << '\n';
// string constructor in at-end mode (C++11)
std::stringbuf buf2("test", std::ios_base::in
| std::ios_base::out
| std::ios_base::ate);
buf2.sputc('1');
std::cout << &buf2 << '\n';
// append mode test (results differ among compilers)
std::stringbuf buf3("test", std::ios_base::in
| std::ios_base::out
| std::ios_base::app);
buf3.sputc('1');
buf3.pubseekpos(1);
buf3.sputc('2');
std::cout << &buf3 << '\n';
}
Salida:
1
test1
est12 (Sun Studio) 2st1 (GCC)
Ver también
construye la corriente de cadena Original: constructs the string stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función miembro pública de std::basic_stringstream)
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