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    std::basic_fstream::basic_fstream

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    <metanoindex/>

     
    C++
     
    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_fstream
    Les fonctions membres
    Original:
    Member functions
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    basic_fstream::basic_fstream
    basic_fstream::operator= (C++11)
    basic_fstream::swap (C++11)
    basic_fstream::rdbuf
    Opérations sur les fichiers
    Original:
    File operations
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    basic_fstream::is_open
    basic_fstream::open
    basic_fstream::close
    Tiers fonctions
    Original:
    Non-member functions
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    basic_fstream::swap(std::basic_fstream) (C++11)
     
    <tbody> </tbody>
    basic_fstream();
    		 (1)
    basic_fstream( const char* filename, {{#pad:|13}} ios_base::openmode mode = ios_base::in|ios_base::out );
    		 (2)
    basic_fstream( const string& filename, {{#pad:|13}} ios_base::openmode mode = ios_base::in|ios_base::out );
    		 (3) (depuis C++11)
    basic_fstream( basic_fstream&& other );
    		 (4) (depuis C++11)
    basic_fstream( const basic_fstream& rhs) = delete;
    		 (5)
    Construit flux nouveau fichier .
    Original:
    Constructs new file stream.
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    1)
    Constructeur par défaut: construit un ruisseau qui n'est pas associé à un fichier: default-construit le std::basic_filebuf et construit la base avec le pointeur de ce défaut-construit membre std::basic_filebuf .
    Original:
    Default constructor: constructs a stream that is not associated with a file: default-constructs the std::basic_filebuf and constructs the base with the pointer to this default-constructed std::basic_filebuf member.
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    2)
    Tout d'abord, effectue les mêmes étapes que le constructeur par défaut, puis asssociate le flux avec un fichier en appelant rdbuf()->open(filename, mode).. Si l'appel open () renvoie un pointeur nul, définit setstate(failbit) .
    Original:
    First, performs the same steps as the default constructor, then asssociate the stream with a file by calling rdbuf()->open(filename, mode).. If the open() call returns a null pointer, sets setstate(failbit).
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    3)
    Même que basic_fstream(filename.c_str(), mode) .
    Original:
    Same as basic_fstream(filename.c_str(), mode).
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    4)
    Déplacez constructeur. Tout d'abord, mouvement construit à partir de la classe de base other (qui n'affecte pas le pointeur rdbuf()), puis déplacez-construit le membre std::basic_filebuf, puis appelle this->set_rdbuf() pour installer la nouvelle basic_filebuf que le pointeur rdbuf() dans la classe de base .
    Original:
    Move constructor. First, move-constructs the base class from other (which does not affect the rdbuf() pointer), then move-constructs the std::basic_filebuf member, then calls this->set_rdbuf() to install the new basic_filebuf as the rdbuf() pointer in the base class.
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    5)
    Le constructeur de copie est supprimée: cette classe n'est pas copiable .
    Original:
    The copy-constructor is deleted: this class is not copyable.
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    Paramètres

    filename -
    le nom du fichier à ouvrir
    Original:
    the name of the file to be opened
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    mode -
    spécifie le mode de flux ouvert. Il est de type masque, les constantes suivantes sont définies:
    Constante
    Original:
    Constant
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    		 Explanation
    app
    demander à l'extrémité du flux avant chaque écriture
    Original:
    seek to the end of stream before each write
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    binary
    ouvrir en mode binaire
    Original:
    open in binary mode
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    in
    ouvrir en lecture
    Original:
    open for reading
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    out
    ouvrir en écriture
    Original:
    open for writing
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    trunc
    jeter le contenu du courant lors de l'ouverture
    Original:
    discard the contents of the stream when opening
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    ate
    demander à l'extrémité du flux immédiatement après ouverture
    Original:
    seek to the end of stream immediately after open
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    Original:
    specifies stream open mode. It is bitmask type, the following constants are defined:
    Constante
    Original:
    Constant
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    		 Explanation
    app
    demander à l'extrémité du flux avant chaque écriture
    Original:
    seek to the end of stream before each write
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    binary
    ouvrir en mode binaire
    Original:
    open in binary mode
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    in
    ouvrir en lecture
    Original:
    open for reading
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    out
    ouvrir en écriture
    Original:
    open for writing
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    trunc
    jeter le contenu du courant lors de l'ouverture
    Original:
    discard the contents of the stream when opening
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    ate
    demander à l'extrémité du flux immédiatement après ouverture
    Original:
    seek to the end of stream immediately after open
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    other -
    un autre flux de fichier à utiliser comme source
    Original:
    another file stream to use as source
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    Exemple

    #include <fstream>
#include <utility>
#include <string>
int main()
{
std::fstream f0;
    std::fstream f1("test.bin", std::ios::binary);
    std::string name = "example.txt";
    std::fstream f2(name);
    std::fstream f3(std::move(f1));
}


    Voir aussi
    ouvre un fichier et l'associe avec le flux
    Original:
    opens a file and associates it with the stream
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    (fonction membre publique) [edit]
    ouvre un fichier et le configure comme la séquence de caractères associé
    Original:
    opens a file and configures it as the associated character sequence
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    (fonction membre publique de std::basic_filebuf) [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]
    Construit l'objet
    Original:
    constructs the object
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    (fonction membre publique de std::basic_iostream) [edit]