idgridpart/intersectioniterator.hh

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#ifndef DUNE_FEM_GRIDPART_IDGRIDPART_INTERSECTIONITERATOR_HH
#define DUNE_FEM_GRIDPART_IDGRIDPART_INTERSECTIONITERATOR_HH
 
#include <type_traits>
#include <utility>
 
#include <dune/grid/common/intersectioniterator.hh>
 
#include <dune/fem/gridpart/idgridpart/intersection.hh>
 
namespace Dune
{
 
  namespace Fem
  {
 
    // IdIntersectionIterator
    // ----------------------
 
    template< class GridFamily >
    class IdIntersectionIterator
    {
      typedef IdIntersectionIterator< GridFamily > ThisType;
 
      typedef typename std::remove_const< GridFamily >::type::Traits Traits;
 
      typedef typename Traits::HostGridPartType::IntersectionIteratorType HostIntersectionIteratorType;
 
      typedef IdIntersection< const GridFamily > IntersectionImplType;
 
    public:
      typedef Dune::Intersection< const GridFamily, IntersectionImplType > Intersection;
      typedef typename Traits::ExtraData  ExtraData;
 
      IdIntersectionIterator () = default;
 
      IdIntersectionIterator ( ExtraData data, HostIntersectionIteratorType hostIterator )
      : data_( std::move( data ) ),
        hostIterator_( std::move( hostIterator ) )
      {}
 
      bool equals ( const ThisType &other ) const
      {
        return hostIterator_ == other.hostIterator_;
      }
 
      void increment ()
      {
        ++hostIterator_;
      }
 
      Intersection dereference () const
      {
        return IntersectionImplType( data(), *hostIterator_ );
      }
 
      const ExtraData &data () const { return data_; }
 
    protected:
      ExtraData data_;
      HostIntersectionIteratorType hostIterator_;
    };
 
  } // namespace Fem
 
} // namespace Dune
 
#endif // #ifndef DUNE_FEM_GRIDPART_IDGRIDPART_INTERSECTIONITERATOR_HH