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

Revision 857, 3.1 KB checked in by igarcia, 19 years ago (diff)
RevLine 
[857]1/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
2// basic_text_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 <boost/pfto.hpp>
12
13#include <boost/archive/basic_text_oprimitive.hpp>
14#include <boost/archive/codecvt_null.hpp>
15#include <boost/archive/add_facet.hpp>
16
17#include <boost/archive/iterators/base64_from_binary.hpp>
18#include <boost/archive/iterators/insert_linebreaks.hpp>
19#include <boost/archive/iterators/transform_width.hpp>
20#include <boost/archive/iterators/ostream_iterator.hpp>
21#include <boost/detail/no_exceptions_support.hpp>
22
23namespace boost {
24namespace archive {
25
26// translate to base64 and copy in to buffer.
27template<class OStream>
28BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
29basic_text_oprimitive<OStream>::save_binary(
30    const void *address,
31    std::size_t count
32){
33    typedef BOOST_DEDUCED_TYPENAME OStream::char_type CharType;
34   
35    if(0 == count)
36        return;
37   
38    if(os.fail())
39        boost::throw_exception(archive_exception(archive_exception::stream_error));
40       
41    os.put('\n');
42   
43    typedef
44        boost::archive::iterators::insert_linebreaks<
45            boost::archive::iterators::base64_from_binary<
46                boost::archive::iterators::transform_width<
47                    const char *,
48                    6,
49                    8
50                >
51            >
52            ,72
53            ,const char // cwpro8 needs this
54        >
55        base64_text;
56
57    boost::archive::iterators::ostream_iterator<CharType> oi(os);
58    std::copy(
59        base64_text(BOOST_MAKE_PFTO_WRAPPER(static_cast<const char *>(address))),
60        base64_text(
61            BOOST_MAKE_PFTO_WRAPPER(static_cast<const char *>(address) + count)
62        ),
63        oi
64    );
65    std::size_t padding = 2 - count % 3;
66    if(padding > 1)
67        *oi = '=';
68        if(padding > 2)
69            *oi = '=';
70
71}
72
73template<class OStream>
74BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
75basic_text_oprimitive<OStream>::basic_text_oprimitive(
76    OStream & os_,
77    bool no_codecvt
78) :
79    os(os_),
80    flags_saver(os_),
81    precision_saver(os_),
82    archive_locale(NULL),
83    locale_saver(os_)
84{
85    if(! no_codecvt){
86        archive_locale.reset(
87            add_facet(
88                std::locale::classic(),
89                new codecvt_null<BOOST_DEDUCED_TYPENAME OStream::char_type>
90            )
91        );
92        os.imbue(* archive_locale);
93    }
94    os << std::noboolalpha;
95}
96
97template<class OStream>
98BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
99basic_text_oprimitive<OStream>::~basic_text_oprimitive(){
100        BOOST_TRY{
101                os.flush();
102        }
103        BOOST_CATCH(...){}
104        BOOST_CATCH_END
105}
106
107} //namespace boost
108} //namespace archive
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