#ifndef TGeomIdFinder_hxx_seen
#define TGeomIdFinder_hxx_seen

#include <string>
#include <vector>

#include "EoaCore.hxx"
#include "IGeomIdManager.hxx"

namespace COMET
{
  /// An exception thrown by a IGeomIdFinder when it doesn't want to follow
  /// a particular branch of the geometry.
  OA_EXCEPTION(EGeomIdStop,EoaCore);

  class IGeomIdFinder;
}

/// Find the TGeoNode associated with a geometry id.
class COMET::IGeomIdFinder
{
public:
  IGeomIdFinder() {}
  virtual ~IGeomIdFinder() {}

  /// Check to see if the current root node corresponds to a known
  /// IGeometryId.  If it does, then add the node to the fGeoNodeMap.  This
  /// can throw an EGeomIdStop exception to prevent searching any deeper in
  /// the geometry.
  virtual bool Search(const std::vector<std::string>& names,
                      IGeometryId& id)
  {
    return false;
  }

protected:
  /// Get module number (N) from node string like XXXXX_N_0.
  /// @return the number, but -1 when the given name is not proper.
  int ModuleNo(const std::string& name);

  /// Get module number (N) from node string like XXXXX_N_0.
  /// The node string is specified by 'position' of the given string vector 'names'
  /// @return the number, but -1 when the given name is not proper
  ///         or position is out of range.
  int ModuleNo(const std::vector<std::string>& names, unsigned int position);

  /// Combine strings in node name vector (for debugging).
  std::string GetFullNodePath(const std::vector<std::string>& names);

}; // End of class IGeomIdFinder
#endif