mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-22 04:41:43 +03:00
116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
// 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 TO_PYTHON_INDIRECT_DWA200221_HPP
|
|
# define TO_PYTHON_INDIRECT_DWA200221_HPP
|
|
|
|
# include <boost/python/detail/prefix.hpp>
|
|
|
|
# include <boost/python/object/pointer_holder.hpp>
|
|
# include <boost/python/object/make_ptr_instance.hpp>
|
|
|
|
# include <boost/python/detail/none.hpp>
|
|
|
|
#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
|
|
# include <boost/python/converter/pytype_function.hpp>
|
|
#endif
|
|
|
|
# include <boost/python/refcount.hpp>
|
|
|
|
# include <boost/type_traits/is_pointer.hpp>
|
|
# include <boost/type_traits/is_polymorphic.hpp>
|
|
|
|
# include <boost/mpl/bool.hpp>
|
|
|
|
# if defined(__ICL) && __ICL < 600
|
|
# include <boost/shared_ptr.hpp>
|
|
# else
|
|
# include <memory>
|
|
# endif
|
|
|
|
namespace boost { namespace python {
|
|
|
|
template <class T, class MakeHolder>
|
|
struct to_python_indirect
|
|
{
|
|
template <class U>
|
|
inline PyObject*
|
|
operator()(U const& ref) const
|
|
{
|
|
return this->execute(const_cast<U&>(ref), is_pointer<U>());
|
|
}
|
|
#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
|
|
inline PyTypeObject const*
|
|
get_pytype()const
|
|
{
|
|
return converter::registered_pytype<T>::get_pytype();
|
|
}
|
|
#endif
|
|
private:
|
|
template <class U>
|
|
inline PyObject* execute(U* ptr, mpl::true_) const
|
|
{
|
|
// No special NULL treatment for references
|
|
if (ptr == 0)
|
|
return python::detail::none();
|
|
else
|
|
return this->execute(*ptr, mpl::false_());
|
|
}
|
|
|
|
template <class U>
|
|
inline PyObject* execute(U const& x, mpl::false_) const
|
|
{
|
|
U* const p = &const_cast<U&>(x);
|
|
if (is_polymorphic<U>::value)
|
|
{
|
|
if (PyObject* o = detail::wrapper_base_::owner(p))
|
|
return incref(o);
|
|
}
|
|
return MakeHolder::execute(p);
|
|
}
|
|
};
|
|
|
|
//
|
|
// implementations
|
|
//
|
|
namespace detail
|
|
{
|
|
struct make_owning_holder
|
|
{
|
|
template <class T>
|
|
static PyObject* execute(T* p)
|
|
{
|
|
// can't use auto_ptr with Intel 5 and VC6 Dinkum library
|
|
// for some reason. We get link errors against the auto_ptr
|
|
// copy constructor.
|
|
# if defined(__ICL) && __ICL < 600
|
|
typedef boost::shared_ptr<T> smart_pointer;
|
|
# elif __cplusplus < 201103L
|
|
typedef std::auto_ptr<T> smart_pointer;
|
|
# else
|
|
typedef std::unique_ptr<T> smart_pointer;
|
|
# endif
|
|
typedef objects::pointer_holder<smart_pointer, T> holder_t;
|
|
|
|
smart_pointer ptr(const_cast<T*>(p));
|
|
return objects::make_ptr_instance<T, holder_t>::execute(ptr);
|
|
}
|
|
};
|
|
|
|
struct make_reference_holder
|
|
{
|
|
template <class T>
|
|
static PyObject* execute(T* p)
|
|
{
|
|
typedef objects::pointer_holder<T*, T> holder_t;
|
|
T* q = const_cast<T*>(p);
|
|
return objects::make_ptr_instance<T, holder_t>::execute(q);
|
|
}
|
|
};
|
|
}
|
|
|
|
}} // namespace boost::python
|
|
|
|
#endif // TO_PYTHON_INDIRECT_DWA200221_HPP
|