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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// serializer_map.cpp:
// (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.
#if (defined _MSC_VER) && (_MSC_VER == 1200)
# pragma warning (disable : 4786) // too long name, harmless warning
#endif
#include <set>
#include <utility>
#define BOOST_ARCHIVE_SOURCE
// include this to prevent linker errors when the
// same modules are marked export and import.
#define BOOST_SERIALIZATION_SOURCE
#include <boost/serialization/config.hpp>
#include <boost/serialization/throw_exception.hpp>
#include <boost/archive/archive_exception.hpp>
#include <boost/archive/detail/basic_serializer.hpp>
#include <boost/archive/detail/basic_serializer_map.hpp>
namespace boost {
namespace serialization {
class extended_type_info;
}
namespace archive {
namespace detail {
bool
basic_serializer_map::type_info_pointer_compare::operator()(
const basic_serializer * lhs, const basic_serializer * rhs
) const {
return *lhs < *rhs;
}
BOOST_ARCHIVE_DECL bool
basic_serializer_map::insert(const basic_serializer * bs){
// attempt to insert serializer into it's map
// the following is commented out - rather than being just
// deleted as a reminder not to try this.
// const std::pair<map_type::iterator, bool> result =
m_map.insert(bs);
// At first it seemed like a good idea. It enforced the
// idea that a type be exported from at most one code module
// (DLL or mainline). This would enforce a "one definition rule"
// across code modules. This seems a good idea to me.
// But it seems that it's just too hard for many users to implement.
// Ideally, I would like to make this exception a warning -
// but there isn't anyway to do that.
// if this fails, it's because it's been instantiated
// in multiple modules - DLLS - a recipe for problems.
// So trap this here
// if(!result.second){
// boost::serialization::throw_exception(
// archive_exception(
// archive_exception::multiple_code_instantiation,
// bs->get_debug_info()
// )
// );
// }
return true;
}
BOOST_ARCHIVE_DECL void
basic_serializer_map::erase(const basic_serializer * bs){
map_type::iterator it = m_map.begin();
map_type::iterator it_end = m_map.end();
while(it != it_end){
// note item 9 from Effective STL !!! it++
if(*it == bs)
m_map.erase(it++);
else
it++;
}
// note: we can't do this since some of the eti records
// we're pointing to might be expired and the comparison
// won't work. Leave this as a reminder not to "optimize" this.
//it = m_map.find(bs);
//assert(it != m_map.end());
//if(*it == bs)
// m_map.erase(it);
}
BOOST_ARCHIVE_DECL const basic_serializer *
basic_serializer_map::find(
const boost::serialization::extended_type_info & eti
) const {
const basic_serializer_arg bs(eti);
map_type::const_iterator it;
it = m_map.find(& bs);
if(it == m_map.end()){
BOOST_ASSERT(false);
return 0;
}
return *it;
}
} // namespace detail
} // namespace archive
} // namespace boost
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