87 lines
1.9 KiB
C++
87 lines
1.9 KiB
C++
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// Copyright David Abrahams 2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef OBJECT_ITEMS_DWA2002615_HPP
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# define OBJECT_ITEMS_DWA2002615_HPP
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# include <boost/python/detail/prefix.hpp>
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# include <boost/python/proxy.hpp>
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# include <boost/python/object_core.hpp>
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# include <boost/python/object_protocol.hpp>
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namespace boost { namespace python { namespace api {
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struct const_item_policies
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{
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typedef object key_type;
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static object get(object const& target, object const& key);
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};
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struct item_policies : const_item_policies
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{
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static object const& set(object const& target, object const& key, object const& value);
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static void del(object const& target, object const& key);
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};
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//
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// implementation
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//
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template <class U>
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inline object_item
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object_operators<U>::operator[](object_cref key)
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{
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object_cref2 x = *static_cast<U*>(this);
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return object_item(x, key);
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}
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template <class U>
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inline const_object_item
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object_operators<U>::operator[](object_cref key) const
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{
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object_cref2 x = *static_cast<U const*>(this);
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return const_object_item(x, key);
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}
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template <class U>
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template <class T>
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inline const_object_item
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object_operators<U>::operator[](T const& key) const
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{
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return (*this)[object(key)];
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}
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template <class U>
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template <class T>
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inline object_item
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object_operators<U>::operator[](T const& key)
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{
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return (*this)[object(key)];
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}
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inline object const_item_policies::get(object const& target, object const& key)
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{
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return getitem(target, key);
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}
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inline object const& item_policies::set(
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object const& target
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, object const& key
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, object const& value)
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{
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setitem(target, key, value);
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return value;
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}
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inline void item_policies::del(
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object const& target
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, object const& key)
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{
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delitem(target, key);
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}
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}}} // namespace boost::python::api
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#endif // OBJECT_ITEMS_DWA2002615_HPP
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