undouble_quote.hh

00001 // This file is a part of Aurelia.
00002 // Copyright (C) 2010  Valentin David
00003 // Copyright (C) 2010  University of Bergen
00004 //
00005 // This program is free software: you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License as published by
00007 // the Free Software Foundation, either version 3 of the License, or
00008 // (at your option) any later version.
00009 //
00010 // This program is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 // GNU General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU General Public License
00016 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
00017 #ifndef __UNDOUBLE_QUOTE_HH
00018 # define __UNDOUBLE_QUOTE_HH
00019 
00020 #include <string>
00021 #include "../strategies.hh"
00022 
00023 namespace aurelia {
00024 
00027   struct  undouble_quote_strategy {
00028     std::string operator()(const std::string& s) const {
00029       if ((s[0] == '"') && (s[s.size()-1] == '"')) {
00030         return std::string(s, 1, s.size()-2);
00031       }
00032       throw failure();
00033     }
00034   };
00035 
00040   undouble_quote_strategy undouble_quote;
00041 
00042 }
00043 
00044 #endif