2 Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <boost/optional.hpp>
23 class locked_stringstream;
27 extern bool empty_or_white_space (std::string s);
28 extern void remove_unicode_bom (boost::optional<std::string>& line);
29 extern boost::optional<std::string> get_line_stringstream (locked_stringstream* str);
30 extern boost::optional<std::string> get_line_file (FILE* f);