share_directory.hpp

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#ifndef PSEUDO_SHARE_DIRECTORY_HPP
#define PSEUDO_SHARE_DIRECTORY_HPP
 
/*
 Copyright (C) 2018 Xavier Andrade
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.
 
 This program 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 Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
 
#include <string>
#include "config.h"
 
namespace pseudopotential {
 
class share_directory {
 
public:
  static void set(const std::string &dir) { directory() = dir; }
 
  static std::string get() {
    if (directory().size() != 0)
      return directory();
    return SHARE_DIR;
  }
 
private:
  static std::string &directory() {
    static std::string directory_;
    return directory_;
  }
};
 
} // namespace pseudopotential
 
#endif
 
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// mode: c++
// coding: utf-8
// End: