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std::basic_ios

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< cpp‎ | io

 
 
D'entrée / sortie de bibliothèque
I / O manipulateurs
C-style I / O
Tampons
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf (obsolète)
Cours d'eau
Original:
Streams
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Abstractions
Original:
Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
Fichier E / O
Original:
File I/O
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basic_ifstream
basic_ofstream
basic_fstream
Chaîne I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Tableau I / O
Original:
Array I/O
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istrstream (obsolète)
ostrstream (obsolète)
strstream (obsolète)
Types
Original:
Types
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streamoff
streamsize
fpos
Interface catégorie d'erreur
Original:
Error category interface
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iostream_category (C++11)
io_errc (C++11)
 
std::basic_ios
Les fonctions membres
Original:
Member functions
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basic_ios::basic_ios
basic_ios::~basic_ios
Fonctions de l'État
Original:
State functions
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basic_ios::good
basic_ios::eof
basic_ios::fail
basic_ios::bad
basic_ios::operator!
basic_ios::operator bool
basic_ios::rdstate
basic_ios::setstate
basic_ios::clear
Mise en forme
Original:
Formatting
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basic_ios::copyfmt
basic_ios::fill
Divers
Original:
Miscellaneous
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basic_ios::exceptions
basic_ios::imbue
basic_ios::rdbuf
basic_ios::tie
basic_ios::narrow
basic_ios::widen
Protégé fonctions membres
Original:
Protected member functions
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basic_ios::init
basic_ios::move
basic_ios::swap
basic_ios::set_rdbuf
 
Defined in header <ios>
template<

    class CharT,
    class Traits = std::char_traits<CharT>

> class basic_ios;
Le basic_ios classe fournit des facilités pour l'interfaçage avec des objets qui ont l'interface basic_streambuf. Plusieurs objets basic_ios peut se référer à un objet basic_streambuf réelle. Les drapeaux courts de type de formatage à charge et état d'erreur est stocké dans la classe basic_ios .
Original:
The class basic_ios provides facilities for interfacing with objects that have basic_streambuf interface. Several basic_ios objects can refer to one actual basic_streambuf object. Character type dependent formatting flags and error state is stored in basic_ios class.
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cpp/io/ios basestd-basic ios-inheritance.svg
À propos de cette image

Inheritance diagram

Deux spécialisations pour les types de caractères communs sont également fournis:
Original:
Two specializations for common character types are also provided:
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Type d'
Original:
Type
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Definition
ios basic_ios<char>
wios basic_ios<wchar_t>

Sommaire

[modifier] Types de membres

Type du membre Définition
char_type CharT[edit]
traits_type Traits[edit]
int_type Traits::int_type[edit]
pos_type Traits::pos_type[edit]
off_type Traits::off_type[edit]

[modifier] Fonctions membres publiques

Construit l'objet
Original:
constructs the object
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(fonction membre publique) [edit]
Détruit l'objet
Original:
destructs the object
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(fonction membre publique) [edit]
operator=
l'opérateur d'affectation de copie est supprimée
Original:
the copy assignment operator is deleted
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(fonction membre publique)
Fonctions de l'État
Original:
State functions
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vérifie si aucune erreur n'est survenue dire opérations E / S sont disponibles
Original:
checks if no error has occurred i.e. I/O operations are available
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(fonction membre publique) [edit]
vérifie si fin de fichier a été atteinte
Original:
checks if end-of-file has been reached
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(fonction membre publique) [edit]
vérifie si une erreur irrécupérable s'est produite
Original:
checks if a recoverable error has occurred
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(fonction membre publique) [edit]
vérifie si une erreur irrécupérable s'est produite
Original:
checks if a non-recoverable error has occurred
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(fonction membre publique) [edit]
vérifie si une erreur s'est produite (synonyme de fail())
Original:
checks if an error has occurred (synonym of fail())
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(fonction membre publique) [edit]
(avant C++11)
(depuis C++11)
vérifie si aucune erreur ne s'est produite (synonyme de !fail())
Original:
checks if no error has occurred (synonym of !fail())
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(fonction membre publique) [edit]
retourne drapeaux nationaux
Original:
returns state flags
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(fonction membre publique) [edit]
définit des indicateurs d'état
Original:
sets state flags
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(fonction membre publique) [edit]
efface les indicateurs d'erreur et eof
Original:
clears error and eof flags
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(fonction membre publique) [edit]
Mise en forme
Original:
Formatting
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copies de formater l'information
Original:
copies formatting information
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(fonction membre publique) [edit]
gère le caractère de remplissage
Original:
manages the fill character
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(fonction membre publique) [edit]
Divers
Original:
Miscellaneous
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gère masque d'exception
Original:
manages exception mask
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(fonction membre publique) [edit]
définit les paramètres régionaux
Original:
sets the locale
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(fonction membre publique) [edit]
gère tampon de flux associé
Original:
manages associated stream buffer
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(fonction membre publique) [edit]
gère flux liés
Original:
manages tied stream
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(fonction membre publique) [edit]
rétrécit caractères
Original:
narrows characters
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(fonction membre publique) [edit]
widens characters
(fonction membre publique) [edit]

[modifier] Protégé fonctions membres

initialise un défaut std::basic_ios construit
Original:
initializes a default-constructed std::basic_ios
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(fonction membre protégée) [edit]
se déplace de l'autre, sauf pour std::basic_ios rdbuf
Original:
moves from another std::basic_ios except for rdbuf
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(fonction membre protégée) [edit]
swaps avec une autre std::basic_ios sauf pour rdbuf
Original:
swaps with another std::basic_ios except for rdbuf
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(fonction membre protégée) [edit]
remplace le rdbuf sans effacer l'état d'erreur
Original:
replaces the rdbuf without clearing its error state
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(fonction membre protégée) [edit]

Inherited from std::ios_base

Member functions

Mise en forme
Original:
Formatting
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gère indicateurs de format
Original:
manages format flags
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(fonction membre publique de std::ios_base) [edit]
active l'indicateur de format spécifique
Original:
sets specific format flag
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(fonction membre publique de std::ios_base) [edit]
clears specific format flag
(fonction membre publique de std::ios_base) [edit]
gère précision décimale des opérations en virgule flottante
Original:
manages decimal precision of floating point operations
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(fonction membre publique de std::ios_base) [edit]
manages field width
(fonction membre publique de std::ios_base) [edit]
Locales
Original:
Locales
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fixe locale
Original:
sets locale
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(fonction membre publique de std::ios_base) [edit]
retourne localisation en cours
Original:
returns current locale
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(fonction membre publique de std::ios_base) [edit]
Interne gamme extensible
Original:
Internal extensible array
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[
statique
Original:
static
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]
renvoie un entier ensemble du programme unique qui est sûr à utiliser comme indice de motpasse () et iword ()
Original:
returns a program-wide unique integer that is safe to use as index to pword() and iword()
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(fonction membre publique statique de std::ios_base) [edit]
redimensionne le stockage privé et le cas échéant un accès à l'élément de long à l'index donné
Original:
resizes the private storage if necessary and access to the long element at the given index
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(fonction membre publique de std::ios_base) [edit]
redimensionne le stockage privé et le cas échéant un accès à l'élément de void* à l'index donné
Original:
resizes the private storage if necessary and access to the void* element at the given index
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(fonction membre publique de std::ios_base) [edit]
Divers
Original:
Miscellaneous
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enregistre fonction de rappel d'événement
Original:
registers event callback function
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(fonction membre publique de std::ios_base) [edit]
[
statique
Original:
static
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]
définit si le C + + et C des bibliothèques d'entrées-sorties sont interopérables
Original:
sets whether C++ and C IO libraries are interoperable
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(fonction membre publique statique de std::ios_base) [edit]
Classes de membres
Original:
Member classes
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exception ruisseau
Original:
stream exception
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(classe membre publique de std::ios_base) [edit]
initialise les objets de flux standard
Original:
initializes standard stream objects
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(classe membre publique de std::ios_base) [edit]

Types de membres et de constantes
Original:
Member types and constants
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Type d'
Original:
Type
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Explanation
type de mode de flux ouvert Les constantes suivantes sont également définis:
Original:
stream open mode type The following constants are also defined:
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Constante
Original:
Constant
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Explanation[edit]
app
demander à l'extrémité du flux avant chaque écriture
Original:
seek to the end of stream before each write
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[edit]
binary
ouvrir en mode binaire
Original:
open in binary mode
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[edit]
in
ouvrir en lecture
Original:
open for reading
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[edit]
out
ouvrir en écriture
Original:
open for writing
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[edit]
trunc
jeter le contenu du courant lors de l'ouverture
Original:
discard the contents of the stream when opening
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[edit]
ate
demander à l'extrémité du flux immédiatement après ouverture
Original:
seek to the end of stream immediately after open
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[edit]

(typedef) [edit]
la mise en forme des drapeaux de type Les constantes suivantes sont également définis:
Original:
formatting flags type The following constants are also defined:
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Constante
Original:
Constant
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Explanation[edit]
dec
utiliser la base décimale pour l'entier I / O
Original:
use decimal base for integer I/O
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[edit]
oct
utiliser octal de base pour l'entier I / O
Original:
use octal base for integer I/O
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[edit]
hex
utiliser la base hexadécimale entier I / O
Original:
use hexadecimal base for integer I/O
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[edit]
basefield
dec|oct|hex|0. Utile pour masquer les opérations
Original:
dec|oct|hex|0. Useful for masking operations
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[edit]
left
réglage gauche (ajoute des caractères de remplissage à droite)
Original:
left adjustment (adds fill characters to the right)
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[edit]
right
réglage de droite (ajoute des caractères de remplissage à gauche)
Original:
right adjustment (adds fill characters to the left)
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[edit]
internal
ajustement interne (ajoute des caractères de remplissage au point interne désignée)
Original:
internal adjustment (adds fill characters to the internal designated point)
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[edit]
adjustfield
left|right|internal. Utile pour masquer les opérations
Original:
left|right|internal. Useful for masking operations
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[edit]
scientific
générer des types virgule flottante en utilisant la notation scientifique, ou une notation hexadécimale s'il est combiné avec fixe
Original:
generate floating point types using scientific notation, or hex notation if combined with fixed
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[edit]
fixed
générer des types virgule flottante en utilisant la notation fixe ou notation hexadécimale si elle est combinée avec les scientifiques
Original:
generate floating point types using fixed notation, or hex notation if combined with scientific
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[edit]
floatfield
scientific|fixed|(scientific|fixed)|0. Utile pour masquer les opérations
Original:
scientific|fixed|(scientific|fixed)|0. Useful for masking operations
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[edit]
boolalpha
insérer et d'extraire de type bool au format alphanumérique
Original:
insert and extract bool type in alphanumeric format
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[edit]
showbase
générer un préfixe indiquant la base numérique pour la sortie de nombre entier, nécessitent l'indicateur monnaie monétaire I / O
Original:
generate a prefix indicating the numeric base for integer output, require the currency indicator in monetary I/O
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[edit]
showpoint
générer un caractère point décimal sans condition pour la sortie de nombre à virgule flottante
Original:
generate a decimal-point character unconditionally for floating-point number output
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[edit]
showpos
générer un caractère + pour les non-négative de sortie numérique
Original:
generate a + character for non-negative numeric output
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[edit]
skipws
sauter espaces en tête avant les opérations d'entrée de certains
Original:
skip leading whitespace before certain input operations
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[edit]
unitbuf
rincer la sortie après chaque opération de sortie
Original:
flush the output after each output operation
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[edit]
uppercase
remplacer certaines lettres minuscules avec leurs uppercase
equivalents dans certaines opérations de sortie de sortie
Original:
replace certain lowercase letters with their uppercase
equivalents in certain output output operations
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[edit]

(typedef) [edit]
état du type de flux Les constantes suivantes sont également définis:
Original:
state of the stream type The following constants are also defined:
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Constante
Original:
Constant
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Explanation[edit]
goodbit
pas d'erreur
Original:
no error
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[edit]
badbit
erreur de flux irrécupérables
Original:
irrecoverable stream error
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[edit]
failbit
d'entrée / sortie de l'opération a échoué (erreur de formatage ou d'extraction)
Original:
input/output operation failed (formatting or extraction error)
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[edit]
eofbit
séquence d'entrée associé a atteint la fin de fichier
Original:
associated input sequence has reached end-of-file
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[edit]

(typedef) [edit]
cherchant type de direction Les constantes suivantes sont également définis:
Original:
seeking direction type The following constants are also defined:
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Constante
Original:
Constant
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Explanation[edit]
beg
le début d'un flux
Original:
the beginning of a stream
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[edit]
end
la fin d'un cours d'eau
Original:
the ending of a stream
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[edit]
cur
la position actuelle de l'indicateur de position courant
Original:
the current position of stream position indicator
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[edit]

(typedef) [edit]
spécifie le type d'événement
Original:
specifies event type
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(enum) [edit]
callback type de fonction
Original:
callback function type
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(typedef) [edit]