source: NonGTP/Boost/boost/multi_index/detail/archive_constructed.hpp @ 857

Revision 857, 1.8 KB checked in by igarcia, 19 years ago (diff)
Line 
1/* Copyright 2003-2005 Joaquín M López Muñoz.
2 * Distributed under the Boost Software License, Version 1.0.
3 * (See accompanying file LICENSE_1_0.txt or copy at
4 * http://www.boost.org/LICENSE_1_0.txt)
5 *
6 * See http://www.boost.org/libs/multi_index for library home page.
7 */
8
9#ifndef BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_HPP
10#define BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_HPP
11
12#if defined(_MSC_VER)&&(_MSC_VER>=1200)
13#pragma once
14#endif
15
16#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
17#include <boost/aligned_storage.hpp>
18#include <boost/detail/no_exceptions_support.hpp>
19#include <boost/noncopyable.hpp>
20#include <boost/serialization/serialization.hpp>
21
22namespace boost{
23
24namespace multi_index{
25
26namespace detail{
27
28/* constructs a stack-based object from a serialization archive */
29
30template<typename T>
31struct archive_constructed:private noncopyable
32{
33  template<class Archive>
34  archive_constructed(Archive& ar,const unsigned int version)
35  {
36    serialization::load_construct_data_adl(ar,&get(),version);
37    BOOST_TRY{
38      ar>>get();
39    }
40    BOOST_CATCH(...){
41      (&get())->~T();
42      BOOST_RETHROW;
43    }
44    BOOST_CATCH_END
45  }
46
47  template<class Archive>
48  archive_constructed(const char* name,Archive& ar,const unsigned int version)
49  {
50    serialization::load_construct_data_adl(ar,&get(),version);
51    BOOST_TRY{
52      ar>>serialization::make_nvp(name,get());
53    }
54    BOOST_CATCH(...){
55      (&get())->~T();
56      BOOST_RETHROW;
57    }
58    BOOST_CATCH_END
59  }
60
61  ~archive_constructed()
62  {
63    (&get())->~T();
64  }
65
66  T& get(){return *static_cast<T*>(space.address());}
67
68private:
69  aligned_storage<sizeof(T)> space;
70};
71
72} /* namespace multi_index::detail */
73
74} /* namespace multi_index */
75
76} /* namespace boost */
77
78#endif
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