533 lines
17 KiB
C++
533 lines
17 KiB
C++
|
#ifndef BOOST_ARCHIVE_OSERIALIZER_HPP
|
||
|
|
#define BOOST_ARCHIVE_OSERIALIZER_HPP
|
||
|
|
|
||
|
|
// MS compatible compilers support #pragma once
|
||
|
|
#if defined(_MSC_VER)
|
||
|
|
# pragma once
|
||
|
|
#pragma inline_depth(511)
|
||
|
|
#pragma inline_recursion(on)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(__MWERKS__)
|
||
|
|
#pragma inline_depth(511)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
|
||
|
|
// oserializer.hpp: interface for serialization system.
|
||
|
|
|
||
|
|
// (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)
|
||
|
|
|
||
|
|
// See http://www.boost.org for updates, documentation, and revision history.
|
||
|
|
|
||
|
|
#include <boost/assert.hpp>
|
||
|
|
#include <cstddef> // NULL
|
||
|
|
|
||
|
|
#include <boost/config.hpp>
|
||
|
|
#include <boost/static_assert.hpp>
|
||
|
|
#include <boost/detail/workaround.hpp>
|
||
|
|
|
||
|
|
#include <boost/mpl/eval_if.hpp>
|
||
|
|
#include <boost/mpl/equal_to.hpp>
|
||
|
|
#include <boost/mpl/greater_equal.hpp>
|
||
|
|
#include <boost/mpl/identity.hpp>
|
||
|
|
#include <boost/mpl/bool_fwd.hpp>
|
||
|
|
|
||
|
|
#ifndef BOOST_SERIALIZATION_DEFAULT_TYPE_INFO
|
||
|
|
#include <boost/serialization/extended_type_info_typeid.hpp>
|
||
|
|
#endif
|
||
|
|
#include <boost/serialization/throw_exception.hpp>
|
||
|
|
#include <boost/serialization/smart_cast.hpp>
|
||
|
|
#include <boost/serialization/assume_abstract.hpp>
|
||
|
|
#include <boost/serialization/static_warning.hpp>
|
||
|
|
|
||
|
|
#include <boost/type_traits/is_pointer.hpp>
|
||
|
|
#include <boost/type_traits/is_enum.hpp>
|
||
|
|
#include <boost/type_traits/is_const.hpp>
|
||
|
|
#include <boost/type_traits/is_polymorphic.hpp>
|
||
|
|
#include <boost/type_traits/remove_extent.hpp>
|
||
|
|
|
||
|
|
#include <boost/serialization/serialization.hpp>
|
||
|
|
#include <boost/serialization/version.hpp>
|
||
|
|
#include <boost/serialization/level.hpp>
|
||
|
|
#include <boost/serialization/tracking.hpp>
|
||
|
|
#include <boost/serialization/type_info_implementation.hpp>
|
||
|
|
#include <boost/serialization/nvp.hpp>
|
||
|
|
#include <boost/serialization/void_cast.hpp>
|
||
|
|
#include <boost/serialization/array.hpp>
|
||
|
|
#include <boost/serialization/collection_size_type.hpp>
|
||
|
|
#include <boost/serialization/singleton.hpp>
|
||
|
|
|
||
|
|
#include <boost/archive/archive_exception.hpp>
|
||
|
|
#include <boost/archive/detail/basic_oarchive.hpp>
|
||
|
|
#include <boost/archive/detail/basic_oserializer.hpp>
|
||
|
|
#include <boost/archive/detail/basic_pointer_oserializer.hpp>
|
||
|
|
#include <boost/archive/detail/archive_serializer_map.hpp>
|
||
|
|
#include <boost/archive/detail/check.hpp>
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
|
||
|
|
namespace serialization {
|
||
|
|
class extended_type_info;
|
||
|
|
} // namespace serialization
|
||
|
|
|
||
|
|
namespace archive {
|
||
|
|
|
||
|
|
// an accessor to permit friend access to archives. Needed because
|
||
|
|
// some compilers don't handle friend templates completely
|
||
|
|
class save_access {
|
||
|
|
public:
|
||
|
|
template<class Archive>
|
||
|
|
static void end_preamble(Archive & ar){
|
||
|
|
ar.end_preamble();
|
||
|
|
}
|
||
|
|
template<class Archive, class T>
|
||
|
|
static void save_primitive(Archive & ar, const T & t){
|
||
|
|
ar.end_preamble();
|
||
|
|
ar.save(t);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
#ifdef BOOST_MSVC
|
||
|
|
# pragma warning(push)
|
||
|
|
# pragma warning(disable : 4511 4512)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template<class Archive, class T>
|
||
|
|
class oserializer : public basic_oserializer
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
// private constructor to inhibit any existence other than the
|
||
|
|
// static one
|
||
|
|
public:
|
||
|
|
explicit BOOST_DLLEXPORT oserializer() :
|
||
|
|
basic_oserializer(
|
||
|
|
boost::serialization::singleton<
|
||
|
|
typename
|
||
|
|
boost::serialization::type_info_implementation< T >::type
|
||
|
|
>::get_const_instance()
|
||
|
|
)
|
||
|
|
{}
|
||
|
|
virtual BOOST_DLLEXPORT void save_object_data(
|
||
|
|
basic_oarchive & ar,
|
||
|
|
const void *x
|
||
|
|
) const BOOST_USED;
|
||
|
|
virtual bool class_info() const {
|
||
|
|
return boost::serialization::implementation_level< T >::value
|
||
|
|
>= boost::serialization::object_class_info;
|
||
|
|
}
|
||
|
|
virtual bool tracking(const unsigned int /* flags */) const {
|
||
|
|
return boost::serialization::tracking_level< T >::value == boost::serialization::track_always
|
||
|
|
|| (boost::serialization::tracking_level< T >::value == boost::serialization::track_selectively
|
||
|
|
&& serialized_as_pointer());
|
||
|
|
}
|
||
|
|
virtual version_type version() const {
|
||
|
|
return version_type(::boost::serialization::version< T >::value);
|
||
|
|
}
|
||
|
|
virtual bool is_polymorphic() const {
|
||
|
|
return boost::is_polymorphic< T >::value;
|
||
|
|
}
|
||
|
|
virtual ~oserializer(){}
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef BOOST_MSVC
|
||
|
|
# pragma warning(pop)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template<class Archive, class T>
|
||
|
|
BOOST_DLLEXPORT void oserializer<Archive, T>::save_object_data(
|
||
|
|
basic_oarchive & ar,
|
||
|
|
const void *x
|
||
|
|
) const {
|
||
|
|
// make sure call is routed through the highest interface that might
|
||
|
|
// be specialized by the user.
|
||
|
|
BOOST_STATIC_ASSERT(boost::is_const< T >::value == false);
|
||
|
|
boost::serialization::serialize_adl(
|
||
|
|
boost::serialization::smart_cast_reference<Archive &>(ar),
|
||
|
|
* static_cast<T *>(const_cast<void *>(x)),
|
||
|
|
version()
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef BOOST_MSVC
|
||
|
|
# pragma warning(push)
|
||
|
|
# pragma warning(disable : 4511 4512)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template<class Archive, class T>
|
||
|
|
class pointer_oserializer :
|
||
|
|
public basic_pointer_oserializer
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
const basic_oserializer &
|
||
|
|
get_basic_serializer() const {
|
||
|
|
return boost::serialization::singleton<
|
||
|
|
oserializer<Archive, T>
|
||
|
|
>::get_const_instance();
|
||
|
|
}
|
||
|
|
virtual BOOST_DLLEXPORT void save_object_ptr(
|
||
|
|
basic_oarchive & ar,
|
||
|
|
const void * x
|
||
|
|
) const BOOST_USED;
|
||
|
|
public:
|
||
|
|
pointer_oserializer();
|
||
|
|
~pointer_oserializer();
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef BOOST_MSVC
|
||
|
|
# pragma warning(pop)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template<class Archive, class T>
|
||
|
|
BOOST_DLLEXPORT void pointer_oserializer<Archive, T>::save_object_ptr(
|
||
|
|
basic_oarchive & ar,
|
||
|
|
const void * x
|
||
|
|
) const {
|
||
|
|
BOOST_ASSERT(NULL != x);
|
||
|
|
// make sure call is routed through the highest interface that might
|
||
|
|
// be specialized by the user.
|
||
|
|
T * t = static_cast<T *>(const_cast<void *>(x));
|
||
|
|
const unsigned int file_version = boost::serialization::version< T >::value;
|
||
|
|
Archive & ar_impl
|
||
|
|
= boost::serialization::smart_cast_reference<Archive &>(ar);
|
||
|
|
boost::serialization::save_construct_data_adl<Archive, T>(
|
||
|
|
ar_impl,
|
||
|
|
t,
|
||
|
|
file_version
|
||
|
|
);
|
||
|
|
ar_impl << boost::serialization::make_nvp(NULL, * t);
|
||
|
|
}
|
||
|
|
|
||
|
|
template<class Archive, class T>
|
||
|
|
pointer_oserializer<Archive, T>::pointer_oserializer() :
|
||
|
|
basic_pointer_oserializer(
|
||
|
|
boost::serialization::singleton<
|
||
|
|
typename
|
||
|
|
boost::serialization::type_info_implementation< T >::type
|
||
|
|
>::get_const_instance()
|
||
|
|
)
|
||
|
|
{
|
||
|
|
// make sure appropriate member function is instantiated
|
||
|
|
boost::serialization::singleton<
|
||
|
|
oserializer<Archive, T>
|
||
|
|
>::get_mutable_instance().set_bpos(this);
|
||
|
|
archive_serializer_map<Archive>::insert(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
template<class Archive, class T>
|
||
|
|
pointer_oserializer<Archive, T>::~pointer_oserializer(){
|
||
|
|
archive_serializer_map<Archive>::erase(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
template<class Archive>
|
||
|
|
struct save_non_pointer_type {
|
||
|
|
// note this bounces the call right back to the archive
|
||
|
|
// with no runtime overhead
|
||
|
|
struct save_primitive {
|
||
|
|
template<class T>
|
||
|
|
static void invoke(Archive & ar, const T & t){
|
||
|
|
save_access::save_primitive(ar, t);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
// same as above but passes through serialization
|
||
|
|
struct save_only {
|
||
|
|
template<class T>
|
||
|
|
static void invoke(Archive & ar, const T & t){
|
||
|
|
// make sure call is routed through the highest interface that might
|
||
|
|
// be specialized by the user.
|
||
|
|
boost::serialization::serialize_adl(
|
||
|
|
ar,
|
||
|
|
const_cast<T &>(t),
|
||
|
|
::boost::serialization::version< T >::value
|
||
|
|
);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
// adds class information to the archive. This includes
|
||
|
|
// serialization level and class version
|
||
|
|
struct save_standard {
|
||
|
|
template<class T>
|
||
|
|
static void invoke(Archive &ar, const T & t){
|
||
|
|
ar.save_object(
|
||
|
|
& t,
|
||
|
|
boost::serialization::singleton<
|
||
|
|
oserializer<Archive, T>
|
||
|
|
>::get_const_instance()
|
||
|
|
);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// adds class information to the archive. This includes
|
||
|
|
// serialization level and class version
|
||
|
|
struct save_conditional {
|
||
|
|
template<class T>
|
||
|
|
static void invoke(Archive &ar, const T &t){
|
||
|
|
//if(0 == (ar.get_flags() & no_tracking))
|
||
|
|
save_standard::invoke(ar, t);
|
||
|
|
//else
|
||
|
|
// save_only::invoke(ar, t);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
template<class T>
|
||
|
|
static void invoke(Archive & ar, const T & t){
|
||
|
|
typedef
|
||
|
|
typename mpl::eval_if<
|
||
|
|
// if its primitive
|
||
|
|
mpl::equal_to<
|
||
|
|
boost::serialization::implementation_level< T >,
|
||
|
|
mpl::int_<boost::serialization::primitive_type>
|
||
|
|
>,
|
||
|
|
mpl::identity<save_primitive>,
|
||
|
|
// else
|
||
|
|
typename mpl::eval_if<
|
||
|
|
// class info / version
|
||
|
|
mpl::greater_equal<
|
||
|
|
boost::serialization::implementation_level< T >,
|
||
|
|
mpl::int_<boost::serialization::object_class_info>
|
||
|
|
>,
|
||
|
|
// do standard save
|
||
|
|
mpl::identity<save_standard>,
|
||
|
|
// else
|
||
|
|
typename mpl::eval_if<
|
||
|
|
// no tracking
|
||
|
|
mpl::equal_to<
|
||
|
|
boost::serialization::tracking_level< T >,
|
||
|
|
mpl::int_<boost::serialization::track_never>
|
||
|
|
>,
|
||
|
|
// do a fast save
|
||
|
|
mpl::identity<save_only>,
|
||
|
|
// else
|
||
|
|
// do a fast save only tracking is turned off
|
||
|
|
mpl::identity<save_conditional>
|
||
|
|
> > >::type typex;
|
||
|
|
check_object_versioning< T >();
|
||
|
|
typex::invoke(ar, t);
|
||
|
|
}
|
||
|
|
template<class T>
|
||
|
|
static void invoke(Archive & ar, T & t){
|
||
|
|
check_object_level< T >();
|
||
|
|
check_object_tracking< T >();
|
||
|
|
invoke(ar, const_cast<const T &>(t));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template<class Archive>
|
||
|
|
struct save_pointer_type {
|
||
|
|
struct abstract
|
||
|
|
{
|
||
|
|
template<class T>
|
||
|
|
static const basic_pointer_oserializer * register_type(Archive & /* ar */){
|
||
|
|
// it has? to be polymorphic
|
||
|
|
BOOST_STATIC_ASSERT(boost::is_polymorphic< T >::value);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
struct non_abstract
|
||
|
|
{
|
||
|
|
template<class T>
|
||
|
|
static const basic_pointer_oserializer * register_type(Archive & ar){
|
||
|
|
return ar.register_type(static_cast<T *>(NULL));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template<class T>
|
||
|
|
static const basic_pointer_oserializer * register_type(Archive &ar, T & /*t*/){
|
||
|
|
// there should never be any need to save an abstract polymorphic
|
||
|
|
// class pointer. Inhibiting code generation for this
|
||
|
|
// permits abstract base classes to be used - note: exception
|
||
|
|
// virtual serialize functions used for plug-ins
|
||
|
|
typedef
|
||
|
|
typename mpl::eval_if<
|
||
|
|
boost::serialization::is_abstract< T >,
|
||
|
|
mpl::identity<abstract>,
|
||
|
|
mpl::identity<non_abstract>
|
||
|
|
>::type typex;
|
||
|
|
return typex::template register_type< T >(ar);
|
||
|
|
}
|
||
|
|
|
||
|
|
struct non_polymorphic
|
||
|
|
{
|
||
|
|
template<class T>
|
||
|
|
static void save(
|
||
|
|
Archive &ar,
|
||
|
|
T & t
|
||
|
|
){
|
||
|
|
const basic_pointer_oserializer & bpos =
|
||
|
|
boost::serialization::singleton<
|
||
|
|
pointer_oserializer<Archive, T>
|
||
|
|
>::get_const_instance();
|
||
|
|
// save the requested pointer type
|
||
|
|
ar.save_pointer(& t, & bpos);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
struct polymorphic
|
||
|
|
{
|
||
|
|
template<class T>
|
||
|
|
static void save(
|
||
|
|
Archive &ar,
|
||
|
|
T & t
|
||
|
|
){
|
||
|
|
typename
|
||
|
|
boost::serialization::type_info_implementation< T >::type const
|
||
|
|
& i = boost::serialization::singleton<
|
||
|
|
typename
|
||
|
|
boost::serialization::type_info_implementation< T >::type
|
||
|
|
>::get_const_instance();
|
||
|
|
|
||
|
|
boost::serialization::extended_type_info const * const this_type = & i;
|
||
|
|
|
||
|
|
// retrieve the true type of the object pointed to
|
||
|
|
// if this assertion fails its an error in this library
|
||
|
|
BOOST_ASSERT(NULL != this_type);
|
||
|
|
|
||
|
|
const boost::serialization::extended_type_info * true_type =
|
||
|
|
i.get_derived_extended_type_info(t);
|
||
|
|
|
||
|
|
// note:if this exception is thrown, be sure that derived pointer
|
||
|
|
// is either registered or exported.
|
||
|
|
if(NULL == true_type){
|
||
|
|
boost::serialization::throw_exception(
|
||
|
|
archive_exception(
|
||
|
|
archive_exception::unregistered_class,
|
||
|
|
"derived class not registered or exported"
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// if its not a pointer to a more derived type
|
||
|
|
const void *vp = static_cast<const void *>(&t);
|
||
|
|
if(*this_type == *true_type){
|
||
|
|
const basic_pointer_oserializer * bpos = register_type(ar, t);
|
||
|
|
ar.save_pointer(vp, bpos);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// convert pointer to more derived type. if this is thrown
|
||
|
|
// it means that the base/derived relationship hasn't be registered
|
||
|
|
vp = serialization::void_downcast(
|
||
|
|
*true_type,
|
||
|
|
*this_type,
|
||
|
|
static_cast<const void *>(&t)
|
||
|
|
);
|
||
|
|
if(NULL == vp){
|
||
|
|
boost::serialization::throw_exception(
|
||
|
|
archive_exception(
|
||
|
|
archive_exception::unregistered_cast,
|
||
|
|
true_type->get_debug_info(),
|
||
|
|
this_type->get_debug_info()
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// since true_type is valid, and this only gets made if the
|
||
|
|
// pointer oserializer object has been created, this should never
|
||
|
|
// fail
|
||
|
|
const basic_pointer_oserializer * bpos
|
||
|
|
= static_cast<const basic_pointer_oserializer *>(
|
||
|
|
boost::serialization::singleton<
|
||
|
|
archive_serializer_map<Archive>
|
||
|
|
>::get_const_instance().find(*true_type)
|
||
|
|
);
|
||
|
|
BOOST_ASSERT(NULL != bpos);
|
||
|
|
if(NULL == bpos)
|
||
|
|
boost::serialization::throw_exception(
|
||
|
|
archive_exception(
|
||
|
|
archive_exception::unregistered_class,
|
||
|
|
"derived class not registered or exported"
|
||
|
|
)
|
||
|
|
);
|
||
|
|
ar.save_pointer(vp, bpos);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template<class T>
|
||
|
|
static void save(
|
||
|
|
Archive & ar,
|
||
|
|
const T & t
|
||
|
|
){
|
||
|
|
check_pointer_level< T >();
|
||
|
|
check_pointer_tracking< T >();
|
||
|
|
typedef typename mpl::eval_if<
|
||
|
|
is_polymorphic< T >,
|
||
|
|
mpl::identity<polymorphic>,
|
||
|
|
mpl::identity<non_polymorphic>
|
||
|
|
>::type type;
|
||
|
|
type::save(ar, const_cast<T &>(t));
|
||
|
|
}
|
||
|
|
|
||
|
|
template<class TPtr>
|
||
|
|
static void invoke(Archive &ar, const TPtr t){
|
||
|
|
register_type(ar, * t);
|
||
|
|
if(NULL == t){
|
||
|
|
basic_oarchive & boa
|
||
|
|
= boost::serialization::smart_cast_reference<basic_oarchive &>(ar);
|
||
|
|
boa.save_null_pointer();
|
||
|
|
save_access::end_preamble(ar);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
save(ar, * t);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template<class Archive>
|
||
|
|
struct save_enum_type
|
||
|
|
{
|
||
|
|
template<class T>
|
||
|
|
static void invoke(Archive &ar, const T &t){
|
||
|
|
// convert enum to integers on save
|
||
|
|
const int i = static_cast<int>(t);
|
||
|
|
ar << boost::serialization::make_nvp(NULL, i);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template<class Archive>
|
||
|
|
struct save_array_type
|
||
|
|
{
|
||
|
|
template<class T>
|
||
|
|
static void invoke(Archive &ar, const T &t){
|
||
|
|
typedef typename boost::remove_extent< T >::type value_type;
|
||
|
|
|
||
|
|
save_access::end_preamble(ar);
|
||
|
|
// consider alignment
|
||
|
|
std::size_t c = sizeof(t) / (
|
||
|
|
static_cast<const char *>(static_cast<const void *>(&t[1]))
|
||
|
|
- static_cast<const char *>(static_cast<const void *>(&t[0]))
|
||
|
|
);
|
||
|
|
boost::serialization::collection_size_type count(c);
|
||
|
|
ar << BOOST_SERIALIZATION_NVP(count);
|
||
|
|
ar << serialization::make_array(static_cast<value_type const*>(&t[0]),count);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // detail
|
||
|
|
|
||
|
|
template<class Archive, class T>
|
||
|
|
inline void save(Archive & ar, /*const*/ T &t){
|
||
|
|
typedef
|
||
|
|
typename mpl::eval_if<is_pointer< T >,
|
||
|
|
mpl::identity<detail::save_pointer_type<Archive> >,
|
||
|
|
//else
|
||
|
|
typename mpl::eval_if<is_enum< T >,
|
||
|
|
mpl::identity<detail::save_enum_type<Archive> >,
|
||
|
|
//else
|
||
|
|
typename mpl::eval_if<is_array< T >,
|
||
|
|
mpl::identity<detail::save_array_type<Archive> >,
|
||
|
|
//else
|
||
|
|
mpl::identity<detail::save_non_pointer_type<Archive> >
|
||
|
|
>
|
||
|
|
>
|
||
|
|
>::type typex;
|
||
|
|
typex::invoke(ar, t);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace archive
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif // BOOST_ARCHIVE_OSERIALIZER_HPP
|