sl@0: // Copyright David Abrahams 2002.
sl@0: // Distributed under the Boost Software License, Version 1.0. (See
sl@0: // accompanying file LICENSE_1_0.txt or copy at
sl@0: // http://www.boost.org/LICENSE_1_0.txt)
sl@0: #ifndef REGISTERED_DWA2002710_HPP
sl@0: # define REGISTERED_DWA2002710_HPP
sl@0: # include <boost/python/type_id.hpp>
sl@0: # include <boost/python/converter/registry.hpp>
sl@0: # include <boost/python/converter/registrations.hpp>
sl@0: # include <boost/type_traits/transform_traits.hpp>
sl@0: # include <boost/type_traits/cv_traits.hpp>
sl@0: # include <boost/type_traits/is_void.hpp>
sl@0: # include <boost/detail/workaround.hpp>
sl@0: # include <boost/python/type_id.hpp>
sl@0: # include <boost/type.hpp>
sl@0: 
sl@0: namespace boost {
sl@0: 
sl@0: // You'll see shared_ptr mentioned in this header because we need to
sl@0: // note which types are shared_ptrs in their registrations, to
sl@0: // implement special shared_ptr handling for rvalue conversions.
sl@0: template <class T> class shared_ptr;
sl@0: 
sl@0: namespace python { namespace converter { 
sl@0: 
sl@0: struct registration;
sl@0: 
sl@0: namespace detail
sl@0: {
sl@0:   template <class T>
sl@0:   struct registered_base
sl@0:   {
sl@0:       static registration const& converters;
sl@0:   };
sl@0: }
sl@0: 
sl@0: template <class T>
sl@0: struct registered
sl@0:   : detail::registered_base<
sl@0:         typename add_reference<
sl@0:             typename add_cv<T>::type
sl@0:         >::type
sl@0:     >
sl@0: {
sl@0: };
sl@0: 
sl@0: # if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
sl@0:     && !BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1310))
sl@0: // collapses a few more types to the same static instance.  MSVC7.1
sl@0: // fails to strip cv-qualification from array types in typeid.  For
sl@0: // some reason we can't use this collapse there or array converters
sl@0: // will not be found.
sl@0: template <class T>
sl@0: struct registered<T&>
sl@0:   : registered<T> {};
sl@0: # endif
sl@0: 
sl@0: //
sl@0: // implementations
sl@0: //
sl@0: namespace detail
sl@0: {
sl@0:   inline void
sl@0:   register_shared_ptr0(...)
sl@0:   {
sl@0:   }
sl@0:   
sl@0:   template <class T>
sl@0:   inline void
sl@0:   register_shared_ptr0(shared_ptr<T>*)
sl@0:   {
sl@0:       registry::lookup_shared_ptr(type_id<shared_ptr<T> >());
sl@0:   }
sl@0:   
sl@0:   template <class T>
sl@0:   inline void
sl@0:   register_shared_ptr1(T const volatile*)
sl@0:   {
sl@0:       detail::register_shared_ptr0((T*)0);
sl@0:   }
sl@0:   
sl@0:   template <class T>
sl@0:   inline registration const& 
sl@0:   registry_lookup2(T&(*)())
sl@0:   {
sl@0:       detail::register_shared_ptr1((T*)0);
sl@0:       return registry::lookup(type_id<T&>());
sl@0:   }
sl@0: 
sl@0:   template <class T>
sl@0:   inline registration const& 
sl@0:   registry_lookup1(type<T>)
sl@0:   {
sl@0:       return registry_lookup2((T(*)())0);
sl@0:   }
sl@0: 
sl@0:   inline registration const& 
sl@0:   registry_lookup1(type<const volatile void>)
sl@0:   {
sl@0:       detail::register_shared_ptr1((void*)0);
sl@0:       return registry::lookup(type_id<void>());
sl@0:   }
sl@0: 
sl@0:   template <class T>
sl@0:   registration const& registered_base<T>::converters = detail::registry_lookup1(type<T>());
sl@0: 
sl@0: }
sl@0: 
sl@0: }}} // namespace boost::python::converter
sl@0: 
sl@0: #endif // REGISTERED_DWA2002710_HPP