is_vtk_writable.hpp

/*
 * is_vtk_writable.hpp
 *
 *  Created on: Jul 18, 2016
 *      Author: i-bird
 */

#ifndef OPENFPM_IO_SRC_VTKWRITER_IS_VTK_WRITABLE_HPP_
#define OPENFPM_IO_SRC_VTKWRITER_IS_VTK_WRITABLE_HPP_

template<typename T, bool is_w>
struct vtk_type
{
    typedef decltype(std::declval<T>().get_vtk(0)) type;
};

template<typename T>
struct vtk_type<T,false>
{
    typedef void type;
};

template<typename ObjType, typename Sfinae = void>
struct is_custom_vtk_writable: std::false_type {};

template<typename ObjType>
struct is_custom_vtk_writable <ObjType, typename Void< typename ObjType::is_vtk_writable >::type> : std::true_type
{};

template<typename ObjType, typename Sfinae = void>
struct is_vtk_vector_dims: std::false_type {};

template<typename ObjType, bool has_dims = is_vtk_vector_dims<ObjType>::value >
struct vtk_dims
{
    enum
    {
        value = 1
    };
};

template<typename ObjType >
struct vtk_dims<ObjType,true>
{
    enum
    {
        value = ObjType::dims
    };
};

template<typename ObjType>
struct is_vtk_vector_dims<ObjType, typename Void< decltype(ObjType::dims) >::type> : std::true_type
{};

template<typename T>
struct is_vtk_writable
{
    typedef T base;

    enum
    {
        value = is_custom_vtk_writable<T>::value
    };
};

template<>
struct is_vtk_writable<float>
{
    typedef float base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<double>
{
    typedef double base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<char>
{
    typedef char base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<unsigned char>
{
    typedef unsigned char base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<short>
{
    typedef short base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<unsigned short>
{
    typedef unsigned short base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<int>
{
    typedef int base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<unsigned int>
{
    typedef unsigned int base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<long int>
{
    typedef int base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<unsigned long int>
{
    typedef unsigned int base;

    enum
    {
        value = true
    };
};

template<>
struct is_vtk_writable<bool>
{
    typedef bool base;

    enum
    {
        value = true
    };
};

#endif /* OPENFPM_IO_SRC_VTKWRITER_IS_VTK_WRITABLE_HPP_ */