boost/python/converter/registrations.hpp
// Copyright David Abrahams 2002. Permission to copy, use,
// modify, sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided
// "as is" without express or implied warranty, and with no claim as
// to its suitability for any purpose.
#ifndef REGISTRATIONS_DWA2002223_HPP
# define REGISTRATIONS_DWA2002223_HPP
# include <boost/python/detail/prefix.hpp>
# include <boost/python/type_id.hpp>
# include <boost/python/converter/convertible_function.hpp>
# include <boost/python/converter/constructor_function.hpp>
# include <boost/python/converter/to_python_function_type.hpp>
# include <boost/detail/workaround.hpp>
namespace boost { namespace python { namespace converter {
struct lvalue_from_python_chain
{
convertible_function convert;
lvalue_from_python_chain* next;
};
struct rvalue_from_python_chain
{
convertible_function convertible;
constructor_function construct;
rvalue_from_python_chain* next;
};
struct BOOST_PYTHON_DECL registration
{
public: // member functions
explicit registration(type_info);
// Convert the appropriately-typed data to Python
PyObject* to_python(void const volatile*) const;
// Return the class object, or raise an appropriate Python
// exception if no class has been registered.
PyTypeObject* get_class_object() const;
public: // data members. So sue me.
const python::type_info target_type;
// The chain of eligible from_python converters when an lvalue is required
lvalue_from_python_chain* lvalue_chain;
// The chain of eligible from_python converters when an rvalue is acceptable
rvalue_from_python_chain* rvalue_chain;
// The class object associated with this type
PyTypeObject* m_class_object;
// The unique to_python converter for the associated C++ type.
to_python_function_t m_to_python;
# if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003))
private:
void operator=(registration); // This is not defined, and just keeps MWCW happy.
# endif
};
//
// implementations
//
inline registration::registration(type_info target_type)
: target_type(target_type)
, lvalue_chain(0)
, rvalue_chain(0)
, m_class_object(0)
, m_to_python(0)
{}
inline bool operator<(registration const& lhs, registration const& rhs)
{
return lhs.target_type < rhs.target_type;
}
}}} // namespace boost::python::converter
#endif // REGISTRATIONS_DWA2002223_HPP