source: NonGTP/Boost/boost/archive/binary_wiarchive.hpp @ 857

Revision 857, 2.9 KB checked in by igarcia, 19 years ago (diff)
Line 
1#ifndef BOOST_ARCHIVE_BINARY_WIARCHIVE_HPP
2#define BOOST_ARCHIVE_BINARY_WIARCHIVE_HPP
3
4// MS compatible compilers support #pragma once
5#if defined(_MSC_VER) && (_MSC_VER >= 1020)
6# pragma once
7#endif
8
9/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
10// binary_wiarchive.hpp
11
12// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
13// Use, modification and distribution is subject to the Boost Software
14// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
15// http://www.boost.org/LICENSE_1_0.txt)
16
17//  See http://www.boost.org for updates, documentation, and revision history.
18
19#include <boost/config.hpp>
20#ifdef BOOST_NO_STD_WSTREAMBUF
21#error "wide char i/o not supported on this platform"
22#else
23
24#include <istream>
25#include <boost/archive/detail/auto_link_warchive.hpp>
26#include <boost/archive/basic_binary_iprimitive.hpp>
27#include <boost/archive/basic_binary_iarchive.hpp>
28
29#include <boost/archive/detail/abi_prefix.hpp> // must be the last header
30
31namespace boost {
32namespace archive {
33
34template<class Archive>
35class binary_wiarchive_impl :
36    public basic_binary_iprimitive<Archive, std::wistream>,
37    public basic_binary_iarchive<Archive>
38{
39#ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
40public:
41#else
42    friend class detail::interface_iarchive<Archive>;
43    friend class basic_binary_iarchive<Archive>;
44    friend class load_access;
45protected:
46#endif
47    // note: the following should not needed - but one compiler (vc 7.1)
48    // fails to compile one test (test_shared_ptr) without it !!!
49    template<class T>
50    void load_override(T & t, BOOST_PFTO int){
51        basic_binary_iarchive<Archive>::load_override(t, 0);
52    }
53    void init(){
54        basic_binary_iarchive<Archive>::init();
55        basic_binary_iprimitive<Archive, std::wistream>::init();
56    }
57    binary_wiarchive_impl(std::wistream & is, unsigned int flags) :
58        basic_binary_iprimitive<Archive, std::wistream>(
59            is,
60            0 != (flags & no_codecvt)
61        ),
62        basic_binary_iarchive<Archive>(flags)
63    {
64        if(0 == (flags & no_header))
65            init();
66    }
67};
68
69// do not derive from this class.  If you want to extend this functionality
70// via inhertance, derived from binary_iarchive_impl instead.  This will
71// preserve correct static polymorphism.
72class binary_wiarchive :
73    public binary_wiarchive_impl<binary_wiarchive>
74{
75public:
76    binary_wiarchive(std::wistream & is, unsigned int flags = 0) :
77        binary_wiarchive_impl<binary_wiarchive>(is, flags)
78    {}
79};
80
81} // namespace archive
82} // namespace boost
83
84// required by smart_cast for compilers not implementing
85// partial template specialization
86BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(boost::archive::binary_wiarchive)
87
88#include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
89
90#endif // BOOST_NO_STD_WSTREAMBUF
91#endif // BOOST_ARCHIVE_BINARY_WIARCHIVE_HPP
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