[857] | 1 | // Copyright David Abrahams 2002.
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| 2 | // Distributed under the Boost Software License, Version 1.0. (See
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| 3 | // accompanying file LICENSE_1_0.txt or copy at
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| 4 | // http://www.boost.org/LICENSE_1_0.txt)
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| 5 | #ifndef OBJECT_ATTRIBUTES_DWA2002615_HPP
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| 6 | # define OBJECT_ATTRIBUTES_DWA2002615_HPP
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| 7 |
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| 8 | # include <boost/python/detail/prefix.hpp>
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| 9 |
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| 10 | # include <boost/python/proxy.hpp>
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| 11 | # include <boost/python/object_core.hpp>
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| 12 | # include <boost/python/object_protocol.hpp>
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| 13 |
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| 14 | namespace boost { namespace python { namespace api {
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| 15 |
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| 16 | struct const_attribute_policies
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| 17 | {
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| 18 | typedef char const* key_type;
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| 19 | static object get(object const& target, char const* key);
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| 20 | };
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| 21 |
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| 22 | struct attribute_policies : const_attribute_policies
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| 23 | {
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| 24 | static object const& set(object const& target, char const* key, object const& value);
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| 25 | static void del(object const&target, char const* key);
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| 26 | };
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| 27 |
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| 28 | //
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| 29 | // implementation
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| 30 | //
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| 31 | template <class U>
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| 32 | inline object_attribute object_operators<U>::attr(char const* name)
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| 33 | {
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| 34 | object_cref2 x = *static_cast<U*>(this);
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| 35 | return object_attribute(x, name);
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| 36 | }
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| 37 |
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| 38 | template <class U>
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| 39 | inline const_object_attribute object_operators<U>::attr(char const* name) const
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| 40 | {
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| 41 | object_cref2 x = *static_cast<U const*>(this);
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| 42 | return const_object_attribute(x, name);
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| 43 | }
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| 44 |
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| 45 | inline object const_attribute_policies::get(object const& target, char const* key)
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| 46 | {
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| 47 | return python::getattr(target, key);
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| 48 | }
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| 49 |
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| 50 | inline object const& attribute_policies::set(
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| 51 | object const& target
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| 52 | , char const* key
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| 53 | , object const& value)
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| 54 | {
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| 55 | python::setattr(target, key, value);
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| 56 | return value;
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| 57 | }
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| 58 |
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| 59 | inline void attribute_policies::del(
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| 60 | object const& target
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| 61 | , char const* key)
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| 62 | {
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| 63 | python::delattr(target, key);
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| 64 | }
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| 65 |
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| 66 | }}} // namespace boost::python::api
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| 67 |
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| 68 | #endif // OBJECT_ATTRIBUTES_DWA2002615_HPP
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