fstream.h
资源名称:Vc_STL.rar [点击查看]
上传用户:sichengcw
上传日期:2009-02-17
资源大小:202k
文件大小:3k
源码类别:
STL
开发平台:
Visual C++
- /* This is part of libio/iostream, providing -*- C++ -*- input/output.
- Copyright (C) 1993 Free Software Foundation
- This file is part of the GNU IO Library. This library is free
- software; you can redistribute it and/or modify it under the
- terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option)
- any later version.
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this library; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- As a special exception, if you link this library with files
- compiled with a GNU compiler to produce an executable, this does not cause
- the resulting executable to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
- #ifndef _FSTREAM_H
- #define _FSTREAM_H
- #ifdef __GNUG__
- #pragma interface
- #endif
- #include <iostream.h>
- extern "C++" {
- class fstreambase : virtual public ios {
- #ifdef _IO_NEW_STREAMS
- mutable filebuf __my_fb; // mutable so rdbuf() can be const
- #endif
- void __fb_init ();
- public:
- fstreambase();
- fstreambase(int fd);
- fstreambase(int fd, char *p, int l); /* Deprecated */
- fstreambase(const char *name, int mode, int prot=0664);
- void close();
- #ifdef _IO_NEW_STREAMS
- filebuf* rdbuf() const { return &__my_fb; }
- #else
- filebuf* rdbuf() const { return (filebuf*) ios::rdbuf(); }
- #endif
- void open(const char *name, int mode, int prot=0664);
- int is_open() const { return rdbuf()->is_open(); }
- void setbuf(char *ptr, int len) { rdbuf()->setbuf(ptr, len); }
- void attach(int fd);
- #ifdef _STREAM_COMPAT
- int filedesc() { return rdbuf()->fd(); }
- fstreambase& raw() { rdbuf()->setbuf(NULL, 0); return *this; }
- #endif
- };
- class ifstream : public fstreambase, public istream {
- public:
- ifstream() : fstreambase() { }
- ifstream(int fd) : fstreambase(fd) { }
- ifstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/
- ifstream(const char *name, int mode=ios::in, int prot=0664)
- : fstreambase(name, mode, prot) { }
- void open(const char *name, int mode=ios::in, int prot=0664)
- { fstreambase::open(name, mode, prot); }
- };
- class ofstream : public fstreambase, public ostream {
- public:
- ofstream() : fstreambase() { }
- ofstream(int fd) : fstreambase(fd) { }
- ofstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/
- ofstream(const char *name, int mode=ios::out, int prot=0664)
- : fstreambase(name, mode, prot) { }
- void open(const char *name, int mode=ios::out, int prot=0664)
- { fstreambase::open(name, mode, prot); }
- };
- class fstream : public fstreambase, public iostream {
- public:
- fstream() : fstreambase() { }
- fstream(int fd) : fstreambase(fd) { }
- fstream(const char *name, int mode, int prot=0664)
- : fstreambase(name, mode, prot) { }
- fstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/
- void open(const char *name, int mode, int prot=0664)
- { fstreambase::open(name, mode, prot); }
- };
- } // extern "C++"
- #endif /*!_FSTREAM_H*/