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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_SLICES_DWA2002615_HPP
#
define
OBJECT_SLICES_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
>
#
include
<
boost/python/handle.hpp
>
#
include
<
utility
>
namespace
boost
{
namespace
python
{
namespace
api
{
struct
const_slice_policies
{
typedef
std::pair<handle<>, handle<> > key_type;
static
object
get
(object
const
& target, key_type
const
& key);
};
struct
slice_policies
: const_slice_policies
{
static
object
const
&
set
(object
const
& target, key_type
const
& key, object
const
& value);
static
void
del
(object
const
& target, key_type
const
& key);
};
template
<
class
T
,
class
U
>
inline
slice_policies::key_type
slice_key
(T x, U y)
{
return
slice_policies::key_type
(handle<>(x), handle<>(y));
}
//
//
implementation
//
template
<
class
U
>
object_slice
object_operators<U>::slice(object_cref start, object_cref finish)
{
object_cref2 x = *
static_cast
<U*>(
this
);
return
object_slice
(x,
api::slice_key
(
borrowed
(start.
ptr
()),
borrowed
(finish.
ptr
())));
}
template
<
class
U
>
const_object_slice
object_operators<U>::slice(object_cref start, object_cref finish)
const
{
object_cref2 x = *
static_cast
<U
const
*>(
this
);
return
const_object_slice
(x,
api::slice_key
(
borrowed
(start.
ptr
()),
borrowed
(finish.
ptr
())));
}
template
<
class
U
>
object_slice
object_operators<U>::slice(slice_nil, object_cref finish)
{
object_cref2 x = *
static_cast
<U*>(
this
);
return
object_slice
(x,
api::slice_key
(
allow_null
((PyObject*)
0
),
borrowed
(finish.
ptr
())));
}
template
<
class
U
>
const_object_slice
object_operators<U>::slice(slice_nil, object_cref finish)
const
{
object_cref2 x = *
static_cast
<U
const
*>(
this
);
return
const_object_slice
(x,
api::slice_key
(
allow_null
((PyObject*)
0
),
borrowed
(finish.
ptr
())));
}
template
<
class
U
>
object_slice
object_operators<U>::slice(slice_nil, slice_nil)
{
object_cref2 x = *
static_cast
<U*>(
this
);
return
object_slice
(x,
api::slice_key
(
allow_null
((PyObject*)
0
),
allow_null
((PyObject*)
0
)));
}
template
<
class
U
>
const_object_slice
object_operators<U>::slice(slice_nil, slice_nil)
const
{
object_cref2 x = *
static_cast
<U
const
*>(
this
);
return
const_object_slice
(x,
api::slice_key
(
allow_null
((PyObject*)
0
),
allow_null
((PyObject*)
0
)));
}
template
<
class
U
>
object_slice
object_operators<U>::slice(object_cref start, slice_nil)
{
object_cref2 x = *
static_cast
<U*>(
this
);
return
object_slice
(x,
api::slice_key
(
borrowed
(start.
ptr
()),
allow_null
((PyObject*)
0
)));
}
template
<
class
U
>
const_object_slice
object_operators<U>::slice(object_cref start, slice_nil)
const
{
object_cref2 x = *
static_cast
<U
const
*>(
this
);
return
const_object_slice
(x,
api::slice_key
(
borrowed
(start.
ptr
()),
allow_null
((PyObject*)
0
)));
}
template
<
class
U
>
template
<
class
T
,
class
V
>
inline
const_object_slice
object_operators<U>::slice(T
const
& start, V
const
& end)
const
{
return
this
->
slice
(
typename
slice_bound<T>::
type
(start)
,
typename
slice_bound<V>::
type
(end));
}
template
<
class
U
>
template
<
class
T
,
class
V
>
inline
object_slice
object_operators<U>::slice(T
const
& start, V
const
& end)
{
return
this
->
slice
(
typename
slice_bound<T>::
type
(start)
,
typename
slice_bound<V>::
type
(end));
}
inline
object
const_slice_policies::get
(object
const
& target, key_type
const
& key)
{
return
getslice
(target, key.
first
, key.
second
);
}
inline
object
const
&
slice_policies::set
(
object
const
& target
, key_type
const
& key
, object
const
& value)
{
setslice
(target, key.
first
, key.
second
, value);
return
value;
}
inline
void
slice_policies::del
(
object
const
& target
, key_type
const
& key)
{
delslice
(target, key.
first
, key.
second
);
}
}}}
//
namespace boost::python::api
#
endif
//
OBJECT_SLICES_DWA2002615_HPP
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