1 /* runfilter.h: run an external filter and capture its output in a std::string. 2 * 3 * Copyright (C) 2007 Olly Betts 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program 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 program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 #ifndef OMEGA_INCLUDED_RUNFILTER_H 21 #define OMEGA_INCLUDED_RUNFILTER_H 22 23 #include <string> 24 25 /// Exception thrown if we encounter a read error. 26 struct ReadError { }; 27 28 /// Exception thrown if the filter program isn't found. 29 struct NoSuchFilter { }; 30 31 /// Run command @a cmd, capture its stdout, and return it as a std::string. 32 std::string stdout_to_string(const std::string &cmd); 33 34 #endif // OMEGA_INCLUDED_RUNFILTER_H 35