source: NonGTP/Boost/boost/archive/impl/basic_binary_oprimitive.ipp @ 857

Revision 857, 3.9 KB checked in by igarcia, 19 years ago (diff)
Line 
1/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
2// basic_binary_oprimitive.ipp:
3
4// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
5// Use, modification and distribution is subject to the Boost Software
6// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7// http://www.boost.org/LICENSE_1_0.txt)
8
9//  See http://www.boost.org for updates, documentation, and revision history.
10
11#include <ostream>
12
13#include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME
14
15#include <cstring>
16#if defined(BOOST_NO_STDC_NAMESPACE) && ! defined(__LIBCOMO__)
17namespace std{
18    using ::strlen;
19} // namespace std
20#endif
21
22#include <boost/scoped_ptr.hpp>
23
24#ifndef BOOST_NO_CWCHAR
25#include <cwchar>
26#ifdef BOOST_NO_STDC_NAMESPACE
27namespace std{ using ::wcslen; }
28#endif
29
30#endif
31#include <boost/archive/codecvt_null.hpp>
32#include <boost/archive/add_facet.hpp>
33#include <boost/detail/no_exceptions_support.hpp>
34
35namespace boost {
36namespace archive {
37
38//////////////////////////////////////////////////////////////////////
39// implementation of basic_binary_oprimitive
40
41template<class Archive, class OStream>
42BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
43basic_binary_oprimitive<Archive, OStream>::init()
44{
45    // record native sizes of fundamental types
46    // this is to permit detection of attempts to pass
47    // native binary archives accross incompatible machines.
48    // This is not foolproof but its better than nothing.
49    this->This()->save(static_cast<unsigned char>(sizeof(int)));
50    this->This()->save(static_cast<unsigned char>(sizeof(long)));
51    this->This()->save(static_cast<unsigned char>(sizeof(float)));
52    this->This()->save(static_cast<unsigned char>(sizeof(double)));
53    // for checking endianness
54    this->This()->save(int(1));
55}
56
57template<class Archive, class OStream>
58BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
59basic_binary_oprimitive<Archive, OStream>::save(const char * s)
60{
61    std::size_t l = std::strlen(s);
62    this->This()->save(l);
63    save_binary(s, l);
64}
65
66template<class Archive, class OStream>
67BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
68basic_binary_oprimitive<Archive, OStream>::save(const std::string &s)
69{
70    std::size_t l = static_cast<unsigned int>(s.size());
71    this->This()->save(l);
72    save_binary(s.data(), l);
73}
74
75#ifndef BOOST_NO_CWCHAR
76template<class Archive, class OStream>
77BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
78basic_binary_oprimitive<Archive, OStream>::save(const wchar_t * ws)
79{
80    std::size_t l = std::wcslen(ws);
81    this->This()->save(l);
82    save_binary(ws, l * sizeof(wchar_t) / sizeof(char));
83}
84
85#ifndef BOOST_NO_STD_WSTRING
86template<class Archive, class OStream>
87BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
88basic_binary_oprimitive<Archive, OStream>::save(const std::wstring &ws)
89{
90    std::size_t l = ws.size();
91    this->This()->save(l);
92    save_binary(ws.data(), l * sizeof(wchar_t) / sizeof(char));
93}
94#endif
95#endif
96
97template<class Archive, class OStream>
98BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
99basic_binary_oprimitive<Archive, OStream>::basic_binary_oprimitive(
100    OStream &os_,
101    bool no_codecvt
102) :
103    os(os_),
104    archive_locale(NULL),
105    locale_saver(os)
106{
107    if(! no_codecvt){
108        archive_locale.reset(
109            add_facet(
110                std::locale::classic(),
111                new codecvt_null<BOOST_DEDUCED_TYPENAME OStream::char_type>
112            )
113        );
114        os.imbue(* archive_locale);
115    }
116}
117
118// scoped_ptr requires that g be a complete type at time of
119// destruction so define destructor here rather than in the header
120template<class Archive, class OStream>
121BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
122basic_binary_oprimitive<Archive, OStream>::~basic_binary_oprimitive(){
123    BOOST_TRY {
124        os.flush();
125        }
126    BOOST_CATCH(...){}
127        BOOST_CATCH_END
128}
129
130} // namespace archive
131} // namespace boost
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