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// Copyright David Abrahams 2002.
// 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 OBJECT_ITEMS_DWA2002615_HPP
# define OBJECT_ITEMS_DWA2002615_HPP

# include <boost/python/detail/prefix.hpp>

# include <boost/python/proxy.hpp>
# include <boost/python/object_core.hpp>
# include <boost/python/object_protocol.hpp>

namespace boost { namespace python { namespace api {

struct const_item_policies
{
    typedef object key_type;
    static object get(object const& target, object const& key);
};
  
struct item_policies : const_item_policies
{
    static object const& set(object const& target, object const& key, object const& value);
    static void del(object const& target, object const& key);
};

//
// implementation
//
template <class U>
inline object_item
object_operators<U>::operator[](object_cref key)
{
    object_cref2 x = *static_cast<U*>(this);
    return object_item(x, key);
}

template <class U>
inline const_object_item
object_operators<U>::operator[](object_cref key) const
{
    object_cref2 x = *static_cast<U const*>(this);
    return const_object_item(x, key);
}

template <class U>
template <class T>
inline const_object_item
object_operators<U>::operator[](T const& key) const
{
    return (*this)[object(key)];
}

template <class U>
template <class T>
inline object_item
object_operators<U>::operator[](T const& key)
{
    return (*this)[object(key)];
}

inline object const_item_policies::get(object const& target, object const& key)
{
    return getitem(target, key);
}

inline object const& item_policies::set(
    object const& target
    , object const& key
    , object const& value)
{
    setitem(target, key, value);
    return value;
}

inline void item_policies::del(
    object const& target
    , object const& key)
{
    delitem(target, key);
}

}}} // namespace boost::python::api

#endif // OBJECT_ITEMS_DWA2002615_HPP