std::basic_fstream::basic_fstream
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< cpp | io | basic fstream
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| basic_fstream(); |
(1) | |
| basic_fstream( const char* filename, ios_base::openmode mode = ios_base::in|ios_base::out ); |
(2) | |
| basic_fstream( const string& filename, ios_base::openmode mode = ios_base::in|ios_base::out ); |
(3) | (C++11およびそれ以降) |
| basic_fstream( basic_fstream&& other ); |
(4) | (C++11およびそれ以降) |
| basic_fstream( const basic_fstream& rhs) = delete; |
(5) | |
新しいファイル·ストリームを構築し.
Original:
Constructs new file stream.
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1)
デフォルトコンストラクタは：ファイルに関連付けられていないストリームを構築します。std::basic_filebufのデフォルトは-構築し、このデフォルト·構築std::basic_filebufメンバへのポインタを持つ基盤を構築し.
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)
最初に、デフォルトコンストラクタと同じ手順を実行し、その後rdbuf()->open(filename, mode).を呼び出すことによって、ファイルを使用してストリームをasssociate。 open（）の呼び出しはnullポインタを返す場合は、setstate(failbit)設定.
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)
basic_fstream(filename.c_str(), mode)と同じ.
Original:
Same as basic_fstream(filename.c_str(), mode).
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4)
コンストラクタを移動します。まず、
otherから基底クラス（rdbuf()ポインタには影響しませんが）ムーブ構築し、その後、std::basic_filebuf部材を移動させる構築物this->set_rdbuf()は、基本クラスでbasic_filebufポインタとして新しいrdbuf()をインストールするために呼び出し.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.The text has been machine-translated via Google Translate.
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5)
コピーコンストラクタは削除されます：このクラスがコピーできません.
Original:
The copy-constructor is deleted: this class is not copyable.
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[編集] パラメータ
| filename | - | ファイルの名前を開くことができます
Original: the name of the file to be opened The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| mode | - | ストリームのオープンモードを指定します。それはビットマスク型ですが、以下の定数が定義されています：
Original: specifies stream open mode. It is bitmask type, the following constants are defined:
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| other | - | ソースとして使用する別のファイルストリーム
Original: another file stream to use as source The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
[編集] 例
このコードを実行します
#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)); }
[編集] も参照してください
| ストリームとファイルと関連付け、それを開きます Original: opens a file and associates it with the stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (パブリックメンバ関数) | |
| ファイルを開き、関連した文字シーケンスとして設定されます Original: opens a file and configures it as the associated character sequence The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (パブリックメンバ関数of std::basic_filebuf)
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| そのエラー状態をクリアせずに rdbufを置き換えますOriginal: replaces the rdbuf without clearing its error stateThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (protectedメンバー関数) | |
| オブジェクトを作成します Original: constructs the object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (パブリックメンバ関数of std::basic_iostream)
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