python/include/boost/python/converter/pointer_type_id.hpp at develop · auserj/python · GitHub

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// Copyright David Abrahams 2002.

// Distributed under the Boost Software License, Version 1.0. (See

// accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

#ifndef POINTER_TYPE_ID_DWA2002222_HPP

# define POINTER_TYPE_ID_DWA2002222_HPP

# include <boost/python/type_id.hpp>

# include <boost/python/detail/type_traits.hpp>

namespace boost { namespace python { namespace converter {

namespace detail

{

template <bool is_ref = false>

struct pointer_typeid_select

{

template <class T>

static inline type_info execute(T*(*)() = 0)

{

return type_id<T>();

}

};

template <>

struct pointer_typeid_select<true>

{

template <class T>

static inline type_info execute(T* const volatile&(*)() = 0)

{

return type_id<T>();

}

template <class T>

static inline type_info execute(T*volatile&(*)() = 0)

{

return type_id<T>();

}

template <class T>

static inline type_info execute(T*const&(*)() = 0)

{

return type_id<T>();

}

template <class T>

static inline type_info execute(T*&(*)() = 0)

{

return type_id<T>();

}

};

}

// Usage: pointer_type_id<T>()

// Returns a type_info associated with the type pointed

// to by T, which may be a pointer or a reference to a pointer.

template <class T>

type_info pointer_type_id(T(*)() = 0)

{

return detail::pointer_typeid_select<

boost::python::detail::is_lvalue_reference<T>::value

>::execute((T(*)())0);

}

}}} // namespace boost::python::converter

#endif // POINTER_TYPE_ID_DWA2002222_HPP

python/include/boost/python/converter/pointer_type_id.hpp at develop · auserj/python · GitHub

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