boost/serialization/collections_load_imp.hpp
#ifndef BOOST_SERIALIZATION_COLLECTIONS_LOAD_IMP_HPP
#define BOOST_SERIALIZATION_COLLECTIONS_LOAD_IMP_HPP
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
#if defined(_MSC_VER) && (_MSC_VER <= 1020)
# pragma warning (disable : 4786) // too long name, harmless warning
#endif
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// collections_load_imp.hpp: serialization for loading stl collections
// (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.
// helper function templates for serialization of collections
#include <cassert>
#include <cstddef> // size_t
#include <boost/config.hpp> // msvc 6.0 needs this for warning suppression
#if defined(BOOST_NO_STDC_NAMESPACE)
namespace std{
using ::size_t;
} // namespace std
#endif
#include <boost/detail/workaround.hpp>
#include <boost/serialization/access.hpp>
#include <boost/serialization/nvp.hpp>
#include <boost/serialization/detail/stack_constructor.hpp>
#include <boost/serialization/collection_size_type.hpp>
namespace boost{
namespace serialization {
namespace stl {
//////////////////////////////////////////////////////////////////////
// implementation of serialization for STL containers
//
// sequential container input
template<class Archive, class Container>
struct archive_input_seq
{
inline void operator()(
Archive &ar,
Container &s,
const unsigned int v
){
typedef BOOST_DEDUCED_TYPENAME Container::value_type type;
detail::stack_construct<Archive, type> t(ar, v);
// borland fails silently w/o full namespace
ar >> boost::serialization::make_nvp("item", t.reference());
s.push_back(t.reference());
ar.reset_object_address(& s.back() , & t.reference());
}
};
// map input
template<class Archive, class Container>
struct archive_input_map
{
inline void operator()(
Archive &ar,
Container &s,
const unsigned int v
){
typedef BOOST_DEDUCED_TYPENAME Container::value_type type;
detail::stack_construct<Archive, type> t(ar, v);
// borland fails silently w/o full namespace
ar >> boost::serialization::make_nvp("item", t.reference());
std::pair<BOOST_DEDUCED_TYPENAME Container::const_iterator, bool> result =
s.insert(t.reference());
// note: the following presumes that the map::value_type was NOT tracked
// in the archive. This is the usual case, but here there is no way
// to determine that.
if(result.second){
ar.reset_object_address(
& (result.first->second),
& t.reference().second
);
}
}
};
// multimap input
template<class Archive, class Container>
struct archive_input_multimap
{
inline void operator()(
Archive &ar,
Container &s,
const unsigned int v
){
typedef BOOST_DEDUCED_TYPENAME Container::value_type type;
detail::stack_construct<Archive, type> t(ar, v);
// borland fails silently w/o full namespace
ar >> boost::serialization::make_nvp("item", t.reference());
BOOST_DEDUCED_TYPENAME Container::const_iterator result
= s.insert(t.reference());
// note: the following presumes that the map::value_type was NOT tracked
// in the archive. This is the usual case, but here there is no way
// to determine that.
ar.reset_object_address(
& result->second,
& t.reference()
);
}
};
// set input
template<class Archive, class Container>
struct archive_input_set
{
inline void operator()(
Archive &ar,
Container &s,
const unsigned int v
){
typedef BOOST_DEDUCED_TYPENAME Container::value_type type;
detail::stack_construct<Archive, type> t(ar, v);
// borland fails silently w/o full namespace
ar >> boost::serialization::make_nvp("item", t.reference());
std::pair<BOOST_DEDUCED_TYPENAME Container::const_iterator, bool> result =
s.insert(t.reference());
if(result.second)
ar.reset_object_address(& (* result.first), & t.reference());
}
};
// multiset input
template<class Archive, class Container>
struct archive_input_multiset
{
inline void operator()(
Archive &ar,
Container &s,
const unsigned int v
){
typedef BOOST_DEDUCED_TYPENAME Container::value_type type;
detail::stack_construct<Archive, type> t(ar, v);
// borland fails silently w/o full namespace
ar >> boost::serialization::make_nvp("item", t.reference());
BOOST_DEDUCED_TYPENAME Container::const_iterator result
= s.insert(t.reference());
ar.reset_object_address(& (* result), & t.reference());
}
};
template<class Container>
class reserve_imp
{
public:
void operator()(Container &s, std::size_t count) const {
s.reserve(count);
}
};
template<class Container>
class no_reserve_imp
{
public:
void operator()(Container & /* s */, std::size_t /* count */) const{}
};
template<class Archive, class Container, class InputFunction, class R>
inline void load_collection(Archive & ar, Container &s)
{
s.clear();
// retrieve number of elements
collection_size_type count;
unsigned int item_version;
ar >> BOOST_SERIALIZATION_NVP(count);
if(3 < ar.get_library_version())
ar >> BOOST_SERIALIZATION_NVP(item_version);
else
item_version = 0;
R rx;
rx(s, count);
std::size_t c = count;
InputFunction ifunc;
while(c-- > 0){
ifunc(ar, s, item_version);
}
}
} // namespace stl
} // namespace serialization
} // namespace boost
#endif //BOOST_SERIALIZATION_COLLECTIONS_LOAD_IMP_HPP