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Copy pathobject_attributes.hpp
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116 lines (97 loc) · 2.95 KB
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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_ATTRIBUTES_DWA2002615_HPP
# define OBJECT_ATTRIBUTES_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_attribute_policies
{
typedef char const* key_type;
static object get(object const& target, char const* key);
static object get(object const& target, object const& key);
};
struct attribute_policies : const_attribute_policies
{
static object const& set(object const& target, char const* key, object const& value);
static void del(object const&target, char const* key);
};
struct const_objattribute_policies
{
typedef object const key_type;
static object get(object const& target, object const& key);
};
struct objattribute_policies : const_objattribute_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_attribute object_operators<U>::attr(char const* name)
{
object_cref2 x = *static_cast<U*>(this);
return object_attribute(x, name);
}
template <class U>
inline const_object_attribute object_operators<U>::attr(char const* name) const
{
object_cref2 x = *static_cast<U const*>(this);
return const_object_attribute(x, name);
}
template <class U>
inline object_objattribute object_operators<U>::attr(object const& name)
{
object_cref2 x = *static_cast<U*>(this);
return object_objattribute(x, name);
}
template <class U>
inline const_object_objattribute object_operators<U>::attr(object const& name) const
{
object_cref2 x = *static_cast<U const*>(this);
return const_object_objattribute(x, name);
}
inline object const_attribute_policies::get(object const& target, char const* key)
{
return python::getattr(target, key);
}
inline object const_objattribute_policies::get(object const& target, object const& key)
{
return python::getattr(target, key);
}
inline object const& attribute_policies::set(
object const& target
, char const* key
, object const& value)
{
python::setattr(target, key, value);
return value;
}
inline object const& objattribute_policies::set(
object const& target
, object const& key
, object const& value)
{
python::setattr(target, key, value);
return value;
}
inline void attribute_policies::del(
object const& target
, char const* key)
{
python::delattr(target, key);
}
inline void objattribute_policies::del(
object const& target
, object const& key)
{
python::delattr(target, key);
}
}}} // namespace boost::python::api
#endif // OBJECT_ATTRIBUTES_DWA2002615_HPP