DDExpandedView.h

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#ifndef DDExpandedView_h
#define DDExpandedView_h

#include <cstddef>
#include <iosfwd>
#include <map>
#include <string>
#include <utility>
#include <vector>

#include "DetectorDescription/Core/interface/DDRotationMatrix.h"
#include "DetectorDescription/Core/interface/DDTranslation.h"
#include "DetectorDescription/Core/interface/DDCompactView.h"
#include "DetectorDescription/Core/interface/DDExpandedNode.h"
#include "DetectorDescription/Core/interface/DDLogicalPart.h"
#include "DetectorDescription/Core/interface/DDPosData.h"
#include "DetectorDescription/Core/interface/DDTransform.h"
#include "DetectorDescription/Core/interface/DDsvalues.h"
#include "DataFormats/Math/interface/GraphWalker.h"

class DDFilteredView;
class DDLogicalPart;
struct DDPosData;


class DDExpandedView
{
  friend class DDFilteredView;
  
public:
  using WalkerType = math::GraphWalker<DDLogicalPart, DDPosData* >;
  
  typedef std::vector<int> nav_type;
  typedef std::pair<int const *, size_t> NavRange;
  
  DDExpandedView(const DDCompactView &);
  
  virtual ~DDExpandedView();
  
  const DDLogicalPart & logicalPart() const;
  
  const DDTranslation & translation() const;
  
  const DDRotationMatrix & rotation() const;
  
  const DDGeoHistory & geoHistory() const;
  
  bool goTo(const nav_type &);
  bool goTo(NavRange);
  bool goTo(int const * newpos, size_t sz);

  nav_type navPos() const;
  
  nav_type copyNumbers() const;
  
  std::vector<const DDsvalues_type * > specifics() const;
  void specificsV(std::vector<const DDsvalues_type * > & vc ) const;

  DDsvalues_type mergedSpecifics() const;
  void mergedSpecificsV(DDsvalues_type & res) const;
  
  int copyno() const;
  
  // navigation 

  const DDGeoHistory & scope() const;
  
  bool setScope(const DDGeoHistory & hist, int depth=0);
  
  void clearScope();
  
  int depth() const;
    
  bool next(); 
  
  bool nextB();
  
  bool nextSibling();
  
  bool firstChild();
  
  bool parent();
  
  //bool hasChildren() const;
  
  void reset();
  
  /* was protected, now public; was named goTo, now goToHistory*/
  bool goToHistory(const DDGeoHistory & sc);
  
protected:
  bool descend(const DDGeoHistory & sc);

protected:
  WalkerType * walker_; 
  WalkerType w2_;
  const DDTranslation trans_;
  const DDRotationMatrix rot_;
  DDGeoHistory history_; 
  DDGeoHistory scope_; 
  unsigned int depth_; 
  const DDPosData * worldpos_ ; 
  std::vector<nav_type> nextBStack_;
};

std::string printNavType(int const * n, size_t sz);
inline std::ostream & operator<<(std::ostream & os, const DDExpandedView::nav_type & n) {
    os << printNavType(&n.front(),n.size());
    return os;
}
inline std::ostream & operator<<(std::ostream & os, const DDExpandedView::NavRange & n) {
    os << printNavType(n.first,n.second);
    return os;
}
#endif