Chris@16: // Copyright David Abrahams 2002.
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #ifndef OBJECT_ATTRIBUTES_DWA2002615_HPP
Chris@16: # define OBJECT_ATTRIBUTES_DWA2002615_HPP
Chris@16: 
Chris@16: # include <boost/python/detail/prefix.hpp>
Chris@16: 
Chris@16: # include <boost/python/proxy.hpp>
Chris@16: # include <boost/python/object_core.hpp>
Chris@16: # include <boost/python/object_protocol.hpp>
Chris@16: 
Chris@16: namespace boost { namespace python { namespace api {
Chris@16: 
Chris@16: struct const_attribute_policies
Chris@16: {
Chris@16:     typedef char const* key_type;
Chris@16:     static object get(object const& target, char const* key);
Chris@16:     static object get(object const& target, object const& key);
Chris@16: };
Chris@16:   
Chris@16: struct attribute_policies : const_attribute_policies
Chris@16: {
Chris@16:     static object const& set(object const& target, char const* key, object const& value);
Chris@16:     static void del(object const&target, char const* key);
Chris@16: };
Chris@16: 
Chris@16: struct const_objattribute_policies
Chris@16: {
Chris@16:     typedef object const key_type;
Chris@16:     static object get(object const& target, object const& key);
Chris@16: };
Chris@16:   
Chris@16: struct objattribute_policies : const_objattribute_policies
Chris@16: {
Chris@16:     static object const& set(object const& target, object const& key, object const& value);
Chris@16:     static void del(object const&target, object const& key);
Chris@16: };
Chris@16: 
Chris@16: //
Chris@16: // implementation
Chris@16: //
Chris@16: template <class U>
Chris@16: inline object_attribute object_operators<U>::attr(char const* name)
Chris@16: {
Chris@16:     object_cref2 x = *static_cast<U*>(this);
Chris@16:     return object_attribute(x, name);
Chris@16: }
Chris@16: 
Chris@16: template <class U>
Chris@16: inline const_object_attribute object_operators<U>::attr(char const* name) const
Chris@16: {
Chris@16:     object_cref2 x = *static_cast<U const*>(this);
Chris@16:     return const_object_attribute(x, name);
Chris@16: }
Chris@16: 
Chris@16: template <class U>
Chris@16: inline object_objattribute object_operators<U>::attr(object const& name)
Chris@16: {
Chris@16:     object_cref2 x = *static_cast<U*>(this);
Chris@16:     return object_objattribute(x, name);
Chris@16: }
Chris@16: 
Chris@16: template <class U>
Chris@16: inline const_object_objattribute object_operators<U>::attr(object const& name) const
Chris@16: {
Chris@16:     object_cref2 x = *static_cast<U const*>(this);
Chris@16:     return const_object_objattribute(x, name);
Chris@16: }
Chris@16: 
Chris@16: inline object const_attribute_policies::get(object const& target, char const* key)
Chris@16: {
Chris@16:     return python::getattr(target, key);
Chris@16: }
Chris@16: 
Chris@16: inline object const_objattribute_policies::get(object const& target, object const& key)
Chris@16: {
Chris@16:     return python::getattr(target, key);
Chris@16: }
Chris@16: 
Chris@16: inline object const& attribute_policies::set(
Chris@16:     object const& target
Chris@16:     , char const* key
Chris@16:     , object const& value)
Chris@16: {
Chris@16:     python::setattr(target, key, value);
Chris@16:     return value;
Chris@16: }
Chris@16: 
Chris@16: inline object const& objattribute_policies::set(
Chris@16:     object const& target
Chris@16:     , object const& key
Chris@16:     , object const& value)
Chris@16: {
Chris@16:     python::setattr(target, key, value);
Chris@16:     return value;
Chris@16: }
Chris@16: 
Chris@16: inline void attribute_policies::del(
Chris@16:     object const& target
Chris@16:     , char const* key)
Chris@16: {
Chris@16:     python::delattr(target, key);
Chris@16: }
Chris@16: 
Chris@16: inline void objattribute_policies::del(
Chris@16:     object const& target
Chris@16:     , object const& key)
Chris@16: {
Chris@16:     python::delattr(target, key);
Chris@16: }
Chris@16: 
Chris@16: }}} // namespace boost::python::api
Chris@16: 
Chris@16: #endif // OBJECT_ATTRIBUTES_DWA2002615_HPP