os/ossrv/ossrv_pub/boost_apis/boost/python/object_attributes.hpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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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_ATTRIBUTES_DWA2002615_HPP
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# define OBJECT_ATTRIBUTES_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_attribute_policies
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{
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    typedef char const* key_type;
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    static object get(object const& target, char const* key);
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};
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struct attribute_policies : const_attribute_policies
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{
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    static object const& set(object const& target, char const* key, object const& value);
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    static void del(object const&target, char 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_attribute object_operators<U>::attr(char const* name)
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{
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    object_cref2 x = *static_cast<U*>(this);
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    return object_attribute(x, name);
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}
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template <class U>
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inline const_object_attribute object_operators<U>::attr(char const* name) const
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{
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    object_cref2 x = *static_cast<U const*>(this);
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    return const_object_attribute(x, name);
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}
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inline object const_attribute_policies::get(object const& target, char const* key)
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{
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    return python::getattr(target, key);
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}
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inline object const& attribute_policies::set(
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    object const& target
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    , char const* key
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    , object const& value)
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{
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    python::setattr(target, key, value);
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    return value;
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}
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inline void attribute_policies::del(
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    object const& target
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    , char const* key)
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{
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    python::delattr(target, key);
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}
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}}} // namespace boost::python::api
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#endif // OBJECT_ATTRIBUTES_DWA2002615_HPP