--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/stdapis/boost/serialization/void_cast.hpp Tue Mar 16 16:12:26 2010 +0000
@@ -0,0 +1,200 @@
+#ifndef BOOST_SERIALIZATION_VOID_CAST_HPP
+#define BOOST_SERIALIZATION_VOID_CAST_HPP
+
+// MS compatible compilers support #pragma once
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// void_cast.hpp: interface for run-time casting of void pointers.
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
+// Use, modification and distribution is subject to 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)
+// gennadiy.rozental@tfn.com
+
+// See http://www.boost.org for updates, documentation, and revision history.
+
+#include <boost/smart_cast.hpp>
+#include <boost/mpl/eval_if.hpp>
+#include <boost/mpl/identity.hpp>
+
+#include <boost/serialization/config.hpp>
+#include <boost/serialization/force_include.hpp>
+#include <boost/serialization/type_info_implementation.hpp>
+
+#include <boost/config/abi_prefix.hpp> // must be the last header
+
+#ifdef BOOST_MSVC
+# pragma warning(push)
+# pragma warning(disable : 4251 4231 4660 4275)
+#endif
+
+namespace boost {
+namespace serialization {
+
+class BOOST_SERIALIZATION_DECL(BOOST_PP_EMPTY()) extended_type_info;
+
+// Given a void *, assume that it really points to an instance of one type
+// and alter it so that it would point to an instance of a related type.
+// Return the altered pointer. If there exists no sequence of casts that
+// can transform from_type to to_type, return a NULL.
+
+BOOST_SERIALIZATION_DECL(void const *)
+void_upcast(
+ extended_type_info const & derived_type,
+ extended_type_info const & base_type,
+ void const * const t,
+ bool top = true
+);
+
+inline void *
+void_upcast(
+ extended_type_info const & derived_type_,
+ extended_type_info const & base_type_,
+ void * const t
+){
+ return const_cast<void*>(void_upcast(
+ derived_type_,
+ base_type_,
+ const_cast<void const *>(t)
+ ));
+}
+
+BOOST_SERIALIZATION_DECL(void const *)
+void_downcast(
+ extended_type_info const & derived_type,
+ extended_type_info const & base_type,
+ void const * const t,
+ bool top = true
+);
+
+inline void *
+void_downcast(
+ extended_type_info const & derived_type_,
+ extended_type_info const & base_type_,
+ void * const t
+){
+ return const_cast<void*>(void_downcast(
+ derived_type_,
+ base_type_,
+ const_cast<void const *>(t)
+ ));
+}
+
+namespace void_cast_detail {
+
+// note: can't be abstract because an instance is used as a search argument
+class BOOST_SERIALIZATION_DECL(BOOST_PP_EMPTY()) void_caster
+{
+ friend struct void_caster_compare ;
+ friend
+ BOOST_SERIALIZATION_DECL(void const *)
+ boost::serialization::void_upcast(
+ const extended_type_info & derived_type,
+ const extended_type_info & base_type,
+ const void * t,
+ bool top
+ );
+ friend
+ BOOST_SERIALIZATION_DECL(void const *)
+ boost::serialization::void_downcast(
+ const extended_type_info & derived_type,
+ const extended_type_info & base_type,
+ const void * t,
+ bool top
+ );
+ // each derived class must re-implement these;
+ virtual void const * upcast(void const * t) const = 0;
+ virtual void const * downcast(void const * t) const = 0;
+ // Data members
+ extended_type_info const & m_derived_type;
+ extended_type_info const & m_base_type;
+protected:
+ static void static_register(const void_caster *);
+public:
+ // Constructor
+ void_caster(
+ extended_type_info const & derived_type_,
+ extended_type_info const & base_type_
+ );
+ // predicate used to determine if this void caster includes
+ // a particular eti *
+ bool includes(const extended_type_info * eti) const;
+ virtual ~void_caster();
+private:
+ // cw 8.3 requires this!!
+ void_caster& operator=(void_caster const&);
+};
+
+template <class Derived, class Base>
+class void_caster_primitive :
+ public void_caster
+{
+ virtual void const* downcast( void const * t ) const {
+ Derived * d = boost::smart_cast<const Derived *, const Base *>(
+ static_cast<const Base *>(t)
+ );
+ return d;
+ }
+ virtual void const* upcast(void const * t) const {
+ Base * b = boost::smart_cast<const Base *, const Derived *>(
+ static_cast<const Derived *>(t)
+ );
+ return b;
+ }
+
+public:
+ static const void_caster_primitive instance;
+ void_caster_primitive() BOOST_USED;
+};
+
+template <class Derived, class Base>
+void_caster_primitive<Derived, Base>::void_caster_primitive() :
+ void_caster(
+ * type_info_implementation<Derived>::type::get_instance(),
+ * type_info_implementation<Base>::type::get_instance()
+ )
+{
+ this->static_register(& instance);
+}
+
+// the purpose of this class is to create to->from and from->to instances
+// of void_caster_primitive for each related pair of types. This has to be
+// done a pre-execution time - hence the usage of static variable.
+template<class Derived, class Base>
+const void_caster_primitive<Derived, Base>
+ void_caster_primitive<Derived, Base>::instance;
+
+} // void_cast_detail
+
+// Register a base/derived pair. This indicates that it is possible
+// to upcast a void pointer from Derived to Base and downcast a
+// void pointer from Base to Derived. Note bogus arguments to workaround
+// bug in msvc 6.0
+template<class Derived, class Base>
+BOOST_DLLEXPORT
+inline const void_cast_detail::void_caster & void_cast_register(
+ const Derived * dnull,
+ const Base * bnull
+) BOOST_USED;
+template<class Derived, class Base>
+BOOST_DLLEXPORT
+inline const void_cast_detail::void_caster & void_cast_register(
+ const Derived * /* dnull = NULL */,
+ const Base * /* bnull = NULL */
+){
+ return void_cast_detail::void_caster_primitive<
+ const Derived,
+ const Base
+ >::instance;
+}
+
+} // namespace serialization
+} // namespace boost
+
+#include <boost/config/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
+
+#endif // BOOST_SERIALIZATION_VOID_CAST_HPP