StringConvert.h

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00001 //
00002 // Copyright (C) 2006 Institut fuer Telematik, Universitaet Karlsruhe (TH)
00003 //
00004 // This program is free software; you can redistribute it and/or
00005 // modify it under the terms of the GNU General Public License
00006 // as published by the Free Software Foundation; either version 2
00007 // of the License, or (at your option) any later version.
00008 //
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00017 //
00018 
00024 #include <cexception.h>
00025 #include <iostream>
00026 #include <sstream>
00027 #include <string>
00028 
00029 template <class t> t convertString( const std::string& str) {
00030     std::istringstream s(str);
00031     t buf;
00032     if (!(s >> buf)) {
00033         throw( cException("convertString: parsing of string %s failed", str.c_str()) );
00034     }
00035     return buf;
00036 }
00037 
00038 template <class t> std::string convertToString( const t& val) {
00039     std::ostringstream s;
00040     if (!(s << val)) {
00041         throw( cException("convertToString: cannot convert value to string") );
00042     }
00043     return s.str();
00044 }
00045 
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