DDScope.h

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#ifndef DDCore_DDScope_h
#define DDCore_DDScope_h

#include <iosfwd>
#include <vector>

#include "DetectorDescription/Core/interface/DDExpandedNode.h"

enum dd_scope_class { different_branch, subtree, supertree, delete_action };


struct DDScopeClassification
{
  dd_scope_class operator()( const DDGeoHistory &, const DDGeoHistory & ) const;
};  


class DDScope
{
  friend std::ostream & operator<<( std::ostream &, const DDScope & );
  
public:
  typedef std::vector<DDGeoHistory> scope_type;
  
  DDScope( void );
  
  DDScope( const DDGeoHistory &, int depth = 0 );
  
  ~DDScope( void );
  

  bool addScope( const DDGeoHistory & s );
  
  void setDepth( int );  
  
  int depth( void ) const;
  
  const scope_type & scope( void ) const;
  
protected:
  scope_type subtrees_;
  DDScopeClassification classify_;
  int depth_;
};

std::ostream & operator<<( std::ostream &, const DDScope & );

#endif