EdgeIterator.h

#ifndef PSCF_EDGE_ITERATOR_H
#define PSCF_EDGE_ITERATOR_H
 
/*
* PSCF - Polymer Self-Consistent Field Theory
*
* Copyright 2016 - 2022, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/
 
#include <pscf/chem/PolymerSpecies.h>   
 
namespace Pscf { 
 
   // Forward reference
   class PolymerSpecies;
 
   using namespace Util;
 
   class EdgeIterator 
   {
 
   public:
 
      EdgeIterator(PolymerSpecies const & polymer);
   
      ~EdgeIterator();
 
      void begin(int sourceId, int targetId);
 
      EdgeIterator& operator ++ ();
 
      int currentEdgeId() const;
 
      int currentVertexId() const;
 
      bool isEnd() const;
 
      bool notEnd() const;
 
   private:
 
      // Index of current edge.
      int currentEdgeId_;
 
      // Index of current vertex.
      int currentVertexId_;
 
      // Index of target edge.
      int targetEdgeId_;
 
      // Index of target vertex.
      int targetVertexId_;
 
      // Pointer to associated PolymerSpecies object.
      PolymerSpecies const * polymerPtr_;
 
   };
 
}
#endif