mirror of
https://gitlab.kitware.com/vtk/vtk-m
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63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_cont_internal_DynamicTransform_h
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#define vtk_m_cont_internal_DynamicTransform_h
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#include <vtkm/cont/CastAndCall.h>
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#include <vtkm/internal/IndexTag.h>
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#include <utility>
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namespace vtkm
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{
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namespace cont
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{
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namespace internal
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{
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/// This functor can be used as the transform in the \c DynamicTransformCont
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/// method of \c FunctionInterface. It will allow dynamic objects like
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/// \c DynamicArray to be cast to their concrete types for templated operation.
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///
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struct DynamicTransform
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{
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template <typename InputType, typename ContinueFunctor, vtkm::IdComponent Index>
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VTKM_CONT void operator()(const InputType& input,
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const ContinueFunctor& continueFunc,
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vtkm::internal::IndexTag<Index>) const
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{
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this->DoTransform(
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input,
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continueFunc,
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typename vtkm::cont::internal::DynamicTransformTraits<InputType>::DynamicTag());
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}
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private:
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template <typename InputType, typename ContinueFunctor>
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VTKM_CONT void DoTransform(const InputType& input,
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const ContinueFunctor& continueFunc,
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vtkm::cont::internal::DynamicTransformTagStatic) const
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{
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continueFunc(input);
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}
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template <typename InputType, typename ContinueFunctor>
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VTKM_CONT void DoTransform(const InputType& dynamicInput,
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const ContinueFunctor& continueFunc,
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vtkm::cont::internal::DynamicTransformTagCastAndCall) const
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{
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CastAndCall(dynamicInput, continueFunc);
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}
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};
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}
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}
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} // namespace vtkm::cont::internal
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#endif //vtk_m_cont_internal_DynamicTransform_h
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