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// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
#ifndef DUNE_PYTHON_GRID_OBJECT_HH
#define DUNE_PYTHON_GRID_OBJECT_HH
#include <type_traits>
#include <utility>
#include <dune/common/typeutilities.hh>
namespace Dune
{
namespace Python
{
namespace detail
{
template< class GridObject >
inline static const decltype( std::declval< const GridObject & >().gridView() )&
gridView ( const GridObject &gridObject, PriorityTag< 3 > )
{
return gridObject.gridView();
}
template< class GridObject >
inline static const decltype( std::declval< const GridObject & >().entitySet().gridView() )&
gridView ( const GridObject &gridObject, PriorityTag< 2 > )
{
return gridObject.entitySet().gridView();
}
template< class GridObject >
inline static const decltype( std::declval< const typename GridObject::GridPartType::GridViewType & >() )&
gridView ( const GridObject &gridObject, PriorityTag< 1 > )
{
return gridObject.gridPart();
}
} // namespace detail
// gridView
// --------
template< class GridObject >
inline static const auto& gridView ( const GridObject &gridObject )
{
return detail::gridView( gridObject, PriorityTag< 42 >() );
}
namespace detail
{
namespace GridObjectTraits
{
using Dune::Python::gridView;
template< class GridObject >
using GridView = std::decay_t< decltype( gridView( std::declval< const GridObject & >() ) ) >;
template< class GridObject >
typename GridObject::EntitySet::Element element ( const GridObject &, PriorityTag< 1 > );
template< class GridObject >
typename GridView< GridObject >::template Codim< 0 >::Entity element ( const GridObject &, PriorityTag< 0 > );
template< class GridObject >
typename GridObject::EntitySet::LocalCoordinate localCoordinate ( const GridObject &, PriorityTag< 1 > );
template< class GridObject >
typename GridView< GridObject >::template Codim< 0 >::Geometry::LocalCoordinate localCoordinate ( const GridObject &, PriorityTag< 0 > );
} // namespace GridObjectTraits
} // namespace detail
// GridObjectTraits
// ----------------
template< class GridObject >
struct GridObjectTraits
{
typedef decltype( detail::GridObjectTraits::element( std::declval< const GridObject & >(), PriorityTag< 42 >() ) ) Element;
typedef decltype( detail::GridObjectTraits::localCoordinate( std::declval< const GridObject & >(), PriorityTag< 42 >() ) ) LocalCoordinate;
};
} // namespace Python
} // namespace Dune
#endif // #ifndef DUNE_PYTHON_GRID_OBJECT_HH
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