//  Copyright David Abrahams 2001.

 // 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 REGISTRY_DWA20011127_HPP

 # define REGISTRY_DWA20011127_HPP

 # include <boost/python/type_id.hpp>

 # include <boost/python/converter/to_python_function_type.hpp>

 # include <boost/python/converter/rvalue_from_python_data.hpp>

 # include <boost/python/converter/constructor_function.hpp>

 # include <boost/python/converter/convertible_function.hpp>

 namespace boost { namespace python { namespace converter {

 struct registration;

 // This namespace acts as a sort of singleton

 namespace registry

 {

   // Get the registration corresponding to the type, creating it if necessary

   BOOST_PYTHON_DECL registration const& lookup(type_info);

   // Get the registration corresponding to the type, creating it if

   // necessary.  Use this first when the type is a shared_ptr.

   BOOST_PYTHON_DECL registration const& lookup_shared_ptr(type_info);

   // Return a pointer to the corresponding registration, if one exists

   BOOST_PYTHON_DECL registration const* query(type_info);

   BOOST_PYTHON_DECL void insert(to_python_function_t, type_info);

   // Insert an lvalue from_python converter

   BOOST_PYTHON_DECL void insert(void* (*convert)(PyObject*), type_info);

   // Insert an rvalue from_python converter

   BOOST_PYTHON_DECL void insert(

       convertible_function

       , constructor_function

       , type_info

       );

   // Insert an rvalue from_python converter at the tail of the

   // chain. Used for implicit conversions

   BOOST_PYTHON_DECL void push_back(

       convertible_function

       , constructor_function

       , type_info

       );

 }

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

 #endif // REGISTRY_DWA20011127_HPP