git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 6599da04 JM |
1 | /* This is part of libio/iostream, providing -*- C++ -*- input/output. |
| 2 | Copyright (C) 1993 Free Software Foundation | |
| 3 | ||
| 4 | This file is part of the GNU IO Library. This library is free | |
| 5 | software; you can redistribute it and/or modify it under the | |
| 6 | terms of the GNU General Public License as published by the | |
| 7 | Free Software Foundation; either version 2, or (at your option) | |
| 8 | any later version. | |
| 9 | ||
| 10 | This library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | GNU General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU General Public License | |
| 16 | along with this library; see the file COPYING. If not, write to the Free | |
| 17 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 18 | ||
| 19 | As a special exception, if you link this library with files | |
| 20 | compiled with a GNU compiler to produce an executable, this does not cause | |
| 21 | the resulting executable to be covered by the GNU General Public License. | |
| 22 | This exception does not however invalidate any other reasons why | |
| 23 | the executable file might be covered by the GNU General Public License. */ | |
| 24 | ||
| 25 | /* Written by Per Bothner (bothner@cygnus.com). */ | |
| 26 | ||
| 27 | #ifndef _PFSTREAM_H | |
| 28 | #define _PFSTREAM_H | |
| 29 | #ifdef __GNUG__ | |
| 30 | #pragma interface | |
| 31 | #endif | |
| 32 | #include <fstream.h> | |
| 33 | ||
| 34 | extern "C++" { | |
| 35 | // ipfstream foo("NAME") is like: ifstream foo("NAME"). However, | |
| 36 | // if NAME starts *or ends* with a '|', the remainder of NAME is | |
| 37 | // evaluated as a shell command (using a procbuf), and all input | |
| 38 | // read from foo is whatever that shell writes to its standard output. | |
| 39 | // E.g. ipfstream foo("|zcat foo.Z") or ipfstream foo("zcat foo.Z|") | |
| 40 | // (These two forms are equivalent.) | |
| 41 | ||
| 42 | class ipfstream : public ifstream { | |
| 43 | public: | |
| 44 | ipfstream(const char *name, int mode=ios::in, int prot=0664); | |
| 45 | }; | |
| 46 | ||
| 47 | // opfstream foo("NAME") is like: ofstream foo("NAME"). | |
| 48 | // However, if NAME starts with a '|', the remainder of NAME is | |
| 49 | // evaluated as a shell command (using a procbuf), and all output | |
| 50 | // written to foo is piped to the standard input of that shell. | |
| 51 | // E.g. opfstream foo("|more"); | |
| 52 | ||
| 53 | class opfstream : public ofstream { | |
| 54 | public: | |
| 55 | opfstream(const char *name, int mode=ios::out, int prot=0664); | |
| 56 | }; | |
| 57 | } // extern "C++" | |
| 58 | #endif /*!_PFSTREAM_H*/ | |
| 59 |