string_utils.hpp

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// ====================================================================
// This file is part of FlexibleSUSY.
//
// FlexibleSUSY is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation, either version 3 of the License,
// or (at your option) any later version.
//
// FlexibleSUSY is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FlexibleSUSY.  If not, see
// <http://www.gnu.org/licenses/>.
// ====================================================================
 
#ifndef STRING_UTILS_H
#define STRING_UTILS_H
 
#include <string>
#include <sstream>
#include <vector>
 
namespace flexiblesusy {
 
std::string concat(const std::vector<std::string>&);
 
 
std::string concat(const std::vector<std::string>&, const std::string&);
 
 
std::string concat(const std::vector<std::string>&, char);
 
 
template <class InputIterator>
std::string concat(InputIterator start, InputIterator end, const std::string& separator)
{
   std::ostringstream result;
 
   for (InputIterator it = start; it != end; ++it) {
      if (it != start) {
         result << separator;
      }
      result << *it;
   }
 
   return result.str();
}
 
 
template <class InputIterator>
std::string concat(InputIterator start, InputIterator end, char separator)
{
   return concat(start, end, std::string(1, separator));
}
 
} // namespace flexiblesusy
 
#endif