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148 lines
4.0 KiB
148 lines
4.0 KiB
// 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_SLICES_DWA2002615_HPP |
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# define OBJECT_SLICES_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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# include <boost/python/handle.hpp> |
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# include <utility> |
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namespace boost { namespace python { namespace api { |
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struct const_slice_policies |
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{ |
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typedef std::pair<handle<>, handle<> > key_type; |
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static object get(object const& target, key_type const& key); |
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}; |
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struct slice_policies : const_slice_policies |
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{ |
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static object const& set(object const& target, key_type const& key, object const& value); |
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static void del(object const& target, key_type const& key); |
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}; |
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template <class T, class U> |
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inline slice_policies::key_type slice_key(T x, U y) |
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{ |
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return slice_policies::key_type(handle<>(x), handle<>(y)); |
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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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object_slice |
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object_operators<U>::slice(object_cref start, object_cref finish) |
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{ |
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object_cref2 x = *static_cast<U*>(this); |
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return object_slice(x, api::slice_key(borrowed(start.ptr()), borrowed(finish.ptr()))); |
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} |
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template <class U> |
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const_object_slice |
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object_operators<U>::slice(object_cref start, object_cref finish) const |
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{ |
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object_cref2 x = *static_cast<U const*>(this); |
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return const_object_slice(x, api::slice_key(borrowed(start.ptr()), borrowed(finish.ptr()))); |
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} |
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template <class U> |
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object_slice |
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object_operators<U>::slice(slice_nil, object_cref finish) |
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{ |
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object_cref2 x = *static_cast<U*>(this); |
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return object_slice(x, api::slice_key(allow_null((PyObject*)0), borrowed(finish.ptr()))); |
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} |
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template <class U> |
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const_object_slice |
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object_operators<U>::slice(slice_nil, object_cref finish) const |
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{ |
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object_cref2 x = *static_cast<U const*>(this); |
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return const_object_slice(x, api::slice_key(allow_null((PyObject*)0), borrowed(finish.ptr()))); |
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} |
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template <class U> |
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object_slice |
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object_operators<U>::slice(slice_nil, slice_nil) |
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{ |
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object_cref2 x = *static_cast<U*>(this); |
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return object_slice(x, api::slice_key(allow_null((PyObject*)0), allow_null((PyObject*)0))); |
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} |
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template <class U> |
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const_object_slice |
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object_operators<U>::slice(slice_nil, slice_nil) const |
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{ |
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object_cref2 x = *static_cast<U const*>(this); |
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return const_object_slice(x, api::slice_key(allow_null((PyObject*)0), allow_null((PyObject*)0))); |
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} |
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template <class U> |
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object_slice |
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object_operators<U>::slice(object_cref start, slice_nil) |
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{ |
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object_cref2 x = *static_cast<U*>(this); |
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return object_slice(x, api::slice_key(borrowed(start.ptr()), allow_null((PyObject*)0))); |
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} |
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template <class U> |
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const_object_slice |
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object_operators<U>::slice(object_cref start, slice_nil) const |
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{ |
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object_cref2 x = *static_cast<U const*>(this); |
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return const_object_slice(x, api::slice_key(borrowed(start.ptr()), allow_null((PyObject*)0))); |
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} |
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# if !defined(BOOST_MSVC) || BOOST_MSVC > 1300 |
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template <class U> |
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template <class T, class V> |
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inline const_object_slice |
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object_operators<U>::slice(T const& start, V const& end) const |
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{ |
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return this->slice( |
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typename slice_bound<T>::type(start) |
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, typename slice_bound<V>::type(end)); |
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} |
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template <class U> |
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template <class T, class V> |
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inline object_slice |
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object_operators<U>::slice(T const& start, V const& end) |
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{ |
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return this->slice( |
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typename slice_bound<T>::type(start) |
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, typename slice_bound<V>::type(end)); |
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} |
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# endif |
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inline object const_slice_policies::get(object const& target, key_type const& key) |
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{ |
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return getslice(target, key.first, key.second); |
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} |
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inline object const& slice_policies::set( |
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object const& target |
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, key_type const& key |
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, object const& value) |
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{ |
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setslice(target, key.first, key.second, value); |
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return value; |
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} |
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inline void slice_policies::del( |
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object const& target |
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, key_type const& key) |
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{ |
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delslice(target, key.first, key.second); |
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} |
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}}} // namespace boost::python::api |
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#endif // OBJECT_SLICES_DWA2002615_HPP
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