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 OBJECT_ATTRIBUTES_DWA2002615_HPP
sl@0: # define OBJECT_ATTRIBUTES_DWA2002615_HPP
sl@0: 
sl@0: # include <boost/python/detail/prefix.hpp>
sl@0: 
sl@0: # include <boost/python/proxy.hpp>
sl@0: # include <boost/python/object_core.hpp>
sl@0: # include <boost/python/object_protocol.hpp>
sl@0: 
sl@0: namespace boost { namespace python { namespace api {
sl@0: 
sl@0: struct const_attribute_policies
sl@0: {
sl@0:     typedef char const* key_type;
sl@0:     static object get(object const& target, char const* key);
sl@0: };
sl@0:   
sl@0: struct attribute_policies : const_attribute_policies
sl@0: {
sl@0:     static object const& set(object const& target, char const* key, object const& value);
sl@0:     static void del(object const&target, char const* key);
sl@0: };
sl@0: 
sl@0: //
sl@0: // implementation
sl@0: //
sl@0: template <class U>
sl@0: inline object_attribute object_operators<U>::attr(char const* name)
sl@0: {
sl@0:     object_cref2 x = *static_cast<U*>(this);
sl@0:     return object_attribute(x, name);
sl@0: }
sl@0: 
sl@0: template <class U>
sl@0: inline const_object_attribute object_operators<U>::attr(char const* name) const
sl@0: {
sl@0:     object_cref2 x = *static_cast<U const*>(this);
sl@0:     return const_object_attribute(x, name);
sl@0: }
sl@0: 
sl@0: inline object const_attribute_policies::get(object const& target, char const* key)
sl@0: {
sl@0:     return python::getattr(target, key);
sl@0: }
sl@0: 
sl@0: inline object const& attribute_policies::set(
sl@0:     object const& target
sl@0:     , char const* key
sl@0:     , object const& value)
sl@0: {
sl@0:     python::setattr(target, key, value);
sl@0:     return value;
sl@0: }
sl@0: 
sl@0: inline void attribute_policies::del(
sl@0:     object const& target
sl@0:     , char const* key)
sl@0: {
sl@0:     python::delattr(target, key);
sl@0: }
sl@0: 
sl@0: }}} // namespace boost::python::api
sl@0: 
sl@0: #endif // OBJECT_ATTRIBUTES_DWA2002615_HPP