gridpart2gridview.hh

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#ifndef DUNE_FEM_GRIDPART_COMMON_GRIDPART2GRIDVIEW_HH
#define DUNE_FEM_GRIDPART_COMMON_GRIDPART2GRIDVIEW_HH
 
#warning "This header should not be needed anymore. Remove it from the include list!"
 
#include <cassert>
 
#include <dune/common/exceptions.hh>
 
#include <dune/grid/common/gridenums.hh>
#include <dune/grid/common/gridview.hh>
 
namespace Dune
{
 
#ifdef USING_DUNE_PYTHON
  namespace FemPy
  {
    namespace detail
    {
      template< class Grid >
      inline static void addGridModificationListener ( const Grid &grid );
    }
  }
#endif
  namespace Fem
  {
 
    template< class GridPart >
    class GridPart2GridViewImpl;
 
 
    template< class GridPart >
    struct GridPart2GridViewTraits
    {
      typedef GridPart2GridViewImpl< GridPart > GridViewImp;
 
      typedef typename GridPart::GridType Grid;
      typedef typename GridPart::IndexSetType IndexSet;
      typedef typename GridPart::IntersectionIteratorType IntersectionIterator;
 
      typedef typename IntersectionIterator::Intersection Intersection;
 
      typedef typename GridPart::CommunicationType Communication;
 
      template< int codim >
      struct Codim
      : public Grid::Traits::template Codim< codim >
      {
        typedef typename GridPart::template Codim< codim >::EntityType Entity;
 
        typedef typename GridPart::template Codim< codim >::GeometryType Geometry;
        typedef typename GridPart::template Codim< codim >::LocalGeometryType LocalGeometry;
 
        template< PartitionIteratorType pitype >
        struct Partition
        {
          typedef typename GridPart::template Codim< codim >::template Partition< pitype >::IteratorType Iterator;
        };
 
        typedef typename Partition< All_Partition >::Iterator Iterator;
      };
 
      static const bool conforming = GridPart::Traits::conforming;
    };
 
 
    template< class GridPart >
    class GridPart2GridViewImpl
    {
      typedef GridPart2GridViewImpl< GridPart > ThisType;
 
    public:
      typedef typename GridPart::ctype ctype;
 
      typedef GridPart GridPartType;
 
      typedef GridPart2GridViewTraits< GridPartType > Traits;
 
      typedef typename Traits::Grid Grid;
 
      typedef typename Traits::IndexSet IndexSet;
 
      typedef typename Traits::Intersection Intersection;
 
      typedef typename Traits::IntersectionIterator IntersectionIterator;
 
      typedef typename Traits::Communication Communication;
 
      template< int codim >
      struct Codim
      : public Traits::template Codim< codim >
      {};
 
      enum { conforming = Traits::conforming };
 
      enum { dimension = GridPartType::dimension };
      enum { dimensionworld = GridPartType::dimensionworld };
 
      explicit GridPart2GridViewImpl ( const GridPartType &gridPart )
        : gridPartStorage_(nullptr)
        , gridPart_( &gridPart )
      {}
      template< class... Args,
          std::enable_if_t< std::is_constructible< GridPartType, Args..., ThisType*  >::value, int > = 0 >
      GridPart2GridViewImpl( Args &&... args )
      : gridPartStorage_(new GridPartType( std::forward< Args >( args )..., this) )
      , gridPart_(gridPartStorage_.get())
      {
#ifdef USING_DUNE_PYTHON
        // add grid modification listener (if not registered)
        FemPy::detail::addGridModificationListener( gridPart().grid() );
#endif
      }
 
      ~GridPart2GridViewImpl()
      {}
 
      const Grid &grid () const
      {
        return gridPart().grid();
      }
 
      const IndexSet &indexSet () const
      {
        return gridPart().indexSet();
      }
 
      int size ( int codim ) const
      {
        return indexSet().size( codim );
      }
 
      int size ( const GeometryType &type ) const
      {
        return indexSet().size( type );
      }
 
      template<class EntityType>
      bool contains (const EntityType& e) const
      {
        return indexSet().contains(e);
      }
 
      template< int codim >
      typename Codim< codim >::Iterator begin () const
      {
        return begin< codim, All_Partition >();
      }
 
      template< int codim, PartitionIteratorType pitype >
      typename Codim< codim >::template Partition< pitype >::Iterator begin () const
      {
        return gridPart().template begin< codim, pitype >();
      }
 
      template< int codim >
      typename Codim< codim >::Iterator end () const
      {
        return end< codim, All_Partition >();
      }
 
      template< int codim, PartitionIteratorType pitype >
      typename Codim< codim >::template Partition< pitype >::Iterator end () const
      {
        return gridPart().template end< codim, pitype >();
      }
 
      IntersectionIterator ibegin ( const typename Codim< 0 >::Entity &entity ) const
      {
        return gridPart().ibegin( entity );
      }
 
      IntersectionIterator iend ( const typename Codim< 0 >::Entity &entity ) const
      {
        return gridPart().iend( entity );
      }
 
      const Communication &comm () const
      {
        return gridPart().comm();
      }
 
      int overlapSize ( int codim ) const
      {
        DUNE_THROW( NotImplemented, "Method ghostSize() not implemented yet" );
      }
 
      int ghostSize( int codim ) const
      {
        DUNE_THROW( NotImplemented, "Method ghostSize() not implemented yet" );
      }
 
      template< class DataHandleImp, class DataType >
      void communicate ( CommDataHandleIF< DataHandleImp, DataType > &data,
                         InterfaceType iftype,
                         CommunicationDirection dir ) const
      {
        gridPart().communicate( data, iftype, dir );
      }
 
      const GridPartType &gridPart () const {
        assert( gridPart_ );
        return *gridPart_;
      }
 
    private:
      std::shared_ptr<GridPartType> gridPartStorage_;
      const GridPartType *gridPart_;
    };
 
 
 
    template< class GridPart >
    class GridPart2GridView
    : public GridView< GridPart2GridViewTraits< GridPart > >
    {
      typedef GridPart2GridView< GridPart > ThisType;
      typedef GridView< GridPart2GridViewTraits< GridPart > > BaseType;
 
      typedef typename BaseType::GridViewImp GridViewImp;
 
    public:
      explicit GridPart2GridView ( const GridPart &gridPart )
      : BaseType( GridViewImp( gridPart ) )
      {}
    };
 
  } // namespace Fem
 
} // namespace Dune
 
#endif // #ifndef DUNE_FEM_GRIDPART_COMMON_GRIDPART2GRIDVIEW_HH