BDSAperturePointsLoader.hh

/* 
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 BDSAPERTUREPOINTSLOADER_H
#define BDSAPERTUREPOINTSLOADER_H
#include "BDSFourVector.hh"
 
#include "G4String.hh"
#include "G4TwoVector.hh"
#include "G4Types.hh"
 
#include <map>
#include <vector>
 
template <class T>
class BDSAperturePointsLoader
{
public:
  BDSAperturePointsLoader();
  ~BDSAperturePointsLoader();
 
  std::vector<G4TwoVector>* Load(const G4String& fileName,
                                 G4double unit = 1.0) const;
};
 
class BDSAperturePointsCache
{
public:
  static BDSAperturePointsCache* Instance();
  
  ~BDSAperturePointsCache();
 
  void ClearCachedFiles();
 
  std::vector<G4TwoVector>* FindCachedFile(const G4String& fileNameAndUnits) const;
 
  void CacheFile(const G4String& fileNameAndUnits,
                 std::vector<G4TwoVector>* contents);
  
private:
  BDSAperturePointsCache() = default;
  
  static BDSAperturePointsCache* instance;
  
  std::map<G4String, std::vector<G4TwoVector>*> cachedFiles;
};
 
namespace BDS
{
  std::vector<G4TwoVector>* LoadAperturePoints(const G4String& fileName,
                                               const G4String& unit = "");
}
 
#endif