1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/boost/ptr_container/detail/default_deleter.hpp Tue Mar 16 16:12:26 2010 +0000
1.3 @@ -0,0 +1,69 @@
1.4 +// (C) Copyright Jonathan Turkanis 2004-2005.
1.5 +// Distributed under the Boost Software License, Version 1.0. (See accompanying
1.6 +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
1.7 +
1.8 +// Contains the definition of move_ptrs::default_deleter, the default
1.9 +// Deleter template argument to move_ptr. Uses a technique of Daniel
1.10 +// Wallin to capture the type of a pointer at the time the deleter
1.11 +// is constructed, so that move_ptrs can delete objects of incomplete
1.12 +// type by default.
1.13 +
1.14 +#ifndef BOOST_MOVE_PTR_DEFAULT_DELETER_HPP_INCLUDED
1.15 +#define BOOST_MOVE_PTR_DEFAULT_DELETER_HPP_INCLUDED
1.16 +
1.17 +#include <boost/checked_delete.hpp>
1.18 +#include <boost/mpl/if.hpp>
1.19 +#include <boost/type_traits/is_array.hpp>
1.20 +#include <boost/type_traits/remove_bounds.hpp>
1.21 +
1.22 +namespace boost { namespace ptr_container_detail { namespace move_ptrs {
1.23 +
1.24 +namespace ptr_container_detail {
1.25 +
1.26 +template<typename T>
1.27 +struct deleter_base {
1.28 + typedef void (*deleter)(T*);
1.29 + deleter_base(deleter d) { delete_ = d; }
1.30 + void operator() (T* t) const { delete_(t); }
1.31 + static deleter delete_;
1.32 +};
1.33 +
1.34 +template<class T>
1.35 +typename deleter_base<T>::deleter
1.36 +deleter_base<T>::delete_;
1.37 +
1.38 +template<typename T>
1.39 +struct scalar_deleter : deleter_base<T> {
1.40 + typedef deleter_base<T> base;
1.41 + scalar_deleter() : base(do_delete) { }
1.42 + static void do_delete(T* t) { checked_delete(t); }
1.43 +};
1.44 +
1.45 +template<typename T>
1.46 +struct array_deleter
1.47 + : deleter_base<typename remove_bounds<T>::type>
1.48 +{
1.49 + typedef typename remove_bounds<T>::type element_type;
1.50 + typedef deleter_base<element_type> base;
1.51 + array_deleter() : base(do_delete) { }
1.52 + static void do_delete(element_type* t) { checked_array_delete(t); }
1.53 +};
1.54 +
1.55 +} // End namespace ptr_container_detail.
1.56 +
1.57 +template<typename T>
1.58 +struct default_deleter
1.59 + : mpl::if_<
1.60 + is_array<T>,
1.61 + ptr_container_detail::array_deleter<T>,
1.62 + ptr_container_detail::scalar_deleter<T>
1.63 + >::type
1.64 +{
1.65 + default_deleter() { }
1.66 + template<typename TT>
1.67 + default_deleter(default_deleter<TT> tt) { }
1.68 +};
1.69 +
1.70 +} } } // End namespaces ptr_container_detail, move_ptrs, boost.
1.71 +
1.72 +#endif // #ifndef BOOST_MOVE_PTR_DEFAULT_DELETER_HPP_INCLUDED