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113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// serializer_map.cpp:
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for updates, documentation, and revision history.
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#if (defined _MSC_VER) && (_MSC_VER == 1200)
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# pragma warning (disable : 4786) // too long name, harmless warning
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#endif
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#include <set>
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#include <utility>
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#define BOOST_ARCHIVE_SOURCE
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// include this to prevent linker errors when the
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// same modules are marked export and import.
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#define BOOST_SERIALIZATION_SOURCE
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#include <boost/serialization/config.hpp>
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#include <boost/serialization/throw_exception.hpp>
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#include <boost/archive/archive_exception.hpp>
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#include <boost/archive/detail/basic_serializer.hpp>
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#include <boost/archive/detail/basic_serializer_map.hpp>
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namespace boost {
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namespace serialization {
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class extended_type_info;
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}
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namespace archive {
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namespace detail {
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bool
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basic_serializer_map::type_info_pointer_compare::operator()(
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const basic_serializer * lhs, const basic_serializer * rhs
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) const {
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return *lhs < *rhs;
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}
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BOOST_ARCHIVE_DECL bool
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basic_serializer_map::insert(const basic_serializer * bs){
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// attempt to insert serializer into it's map
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// the following is commented out - rather than being just
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// deleted as a reminder not to try this.
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// const std::pair<map_type::iterator, bool> result =
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m_map.insert(bs);
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// At first it seemed like a good idea. It enforced the
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// idea that a type be exported from at most one code module
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// (DLL or mainline). This would enforce a "one definition rule"
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// across code modules. This seems a good idea to me.
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// But it seems that it's just too hard for many users to implement.
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// Ideally, I would like to make this exception a warning -
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// but there isn't anyway to do that.
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// if this fails, it's because it's been instantiated
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// in multiple modules - DLLS - a recipe for problems.
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// So trap this here
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// if(!result.second){
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// boost::serialization::throw_exception(
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// archive_exception(
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// archive_exception::multiple_code_instantiation,
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// bs->get_debug_info()
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// )
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// );
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// }
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return true;
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}
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BOOST_ARCHIVE_DECL void
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basic_serializer_map::erase(const basic_serializer * bs){
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map_type::iterator it = m_map.begin();
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map_type::iterator it_end = m_map.end();
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while(it != it_end){
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// note item 9 from Effective STL !!! it++
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if(*it == bs)
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m_map.erase(it++);
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else
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it++;
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}
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// note: we can't do this since some of the eti records
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// we're pointing to might be expired and the comparison
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// won't work. Leave this as a reminder not to "optimize" this.
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//it = m_map.find(bs);
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//assert(it != m_map.end());
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//if(*it == bs)
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// m_map.erase(it);
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}
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BOOST_ARCHIVE_DECL const basic_serializer *
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basic_serializer_map::find(
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const boost::serialization::extended_type_info & eti
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) const {
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const basic_serializer_arg bs(eti);
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map_type::const_iterator it;
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it = m_map.find(& bs);
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if(it == m_map.end()){
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BOOST_ASSERT(false);
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return 0;
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}
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return *it;
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}
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} // namespace detail
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} // namespace archive
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} // namespace boost
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