DDLElementRegistry.h

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#ifndef DETECTOR_DESCRIPTION_PARSER_DDL_ELEMENT_REGISTRY_H
#define DETECTOR_DESCRIPTION_PARSER_DDL_ELEMENT_REGISTRY_H

#include "DetectorDescription/Base/interface/Singleton.h"
#include "DetectorDescription/Base/interface/Singleton.icc"
#include "DetectorDescription/ExprAlgo/interface/ExprEvalSingleton.h"

#include <CLHEP/Evaluator/Evaluator.h>
#include <string>
#include <map>
#include <memory>

class DDXMLElement;


class DDLElementRegistry
{

 public:
  typedef std::map <std::string, std::shared_ptr<DDXMLElement> > RegistryMap;

  DDLElementRegistry();

  ~DDLElementRegistry();
  
  void registerElement(const std::string& name, DDXMLElement*);


  std::shared_ptr<DDXMLElement> getElement(const std::string& name); 

  ClhepEvaluator &evaluator() { return ExprEvalSingleton::instance(); }

 private:
  RegistryMap registry_;
};

typedef DDI::Singleton<DDLElementRegistry> DDLGlobalRegistry;

#endif