vtk-m/vtkm/cont/arg/TypeCheckTagArray.h

78 lines
2.2 KiB
C++

//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//
// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#ifndef vtk_m_cont_arg_TypeCheckTagArray_h
#define vtk_m_cont_arg_TypeCheckTagArray_h
#include <vtkm/cont/arg/TypeCheck.h>
#include <vtkm/ListTag.h>
#include <vtkm/cont/ArrayHandle.h>
namespace vtkm
{
namespace cont
{
namespace arg
{
/// The Array type check passes for any object that behaves like an \c
/// ArrayHandle class and can be passed to the ArrayIn and ArrayOut transports.
///
template <typename TypeList>
struct TypeCheckTagArray
{
VTKM_IS_LIST_TAG(TypeList);
};
namespace detail
{
template <typename TypeList, typename ArrayType, bool IsArray>
struct TypeCheckArrayValueType;
template <typename TypeList, typename ArrayType>
struct TypeCheckArrayValueType<TypeList, ArrayType, true>
{
static constexpr bool value = vtkm::ListContains<TypeList, typename ArrayType::ValueType>::value;
};
template <typename TypeList, typename ArrayType>
struct TypeCheckArrayValueType<TypeList, ArrayType, false>
{
static constexpr bool value = false;
};
} // namespace detail
template <typename TypeList, typename ArrayType>
struct TypeCheck<TypeCheckTagArray<TypeList>, ArrayType>
{
static constexpr bool value = detail::TypeCheckArrayValueType<
TypeList,
ArrayType,
vtkm::cont::internal::ArrayHandleCheck<ArrayType>::type::value>::value;
};
}
}
} // namespace vtkm::cont::arg
#endif //vtk_m_cont_arg_TypeCheckTagArray_h