region.h

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway, 
University of London 2001 - 2022.
 
This file is part of BDSIM.
 
BDSIM 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 version 3 of the License.
 
BDSIM 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 BDSIM.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef REGION_H
#define REGION_H
 
#include <iomanip>
#include <iostream>
#include <string>
 
#include "published.h"
 
namespace GMAD
{
  class Region: public Published<Region>
  {
  public:
    std::string name; 
 
    double   defaultRangeCut;
    double   prodCutPhotons;
    double   prodCutElectrons;
    double   prodCutPositrons;
    double   prodCutProtons;
 
    Region();
    void clear();
    void print()const;
    template <typename T>
    void set_value(std::string property, T value);
 
  private:
    void PublishMembers();
  };
  
  template <typename T>
    void Region::set_value(std::string property, T value)
    {
#ifdef BDSDEBUG
      std::cout << "region> Setting value " << std::setw(25) << std::left << property << value << std::endl;
#endif
      // member method can throw runtime_error, catch and exit gracefully
      try {
        set(this,property,value);
      }
      catch(const std::runtime_error&) {
        std::cerr << "Error: region> unknown option \"" << property << "\" with value " << value  << std::endl;
        exit(1);
      }
    }
}
 
#endif