comparison DEPENDENCIES/generic/include/boost/archive/impl/basic_text_iprimitive.ipp @ 16:2665513ce2d3

Add boost headers
author Chris Cannam
date Tue, 05 Aug 2014 11:11:38 +0100
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15:663ca0da4350 16:2665513ce2d3
1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
2 // basic_text_iprimitive.ipp:
3
4 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
5 // Distributed under the Boost Software License, Version 1.0. (See
6 // 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 <cstddef> // size_t
12 #include <cstddef> // NULL
13
14 #include <boost/config.hpp>
15 #if defined(BOOST_NO_STDC_NAMESPACE)
16 namespace std{
17 using ::size_t;
18 } // namespace std
19 #endif
20
21 #include <boost/serialization/throw_exception.hpp>
22 #include <boost/serialization/pfto.hpp>
23
24 #include <boost/archive/basic_text_iprimitive.hpp>
25 #include <boost/archive/codecvt_null.hpp>
26 #include <boost/archive/add_facet.hpp>
27
28 #include <boost/archive/iterators/remove_whitespace.hpp>
29 #include <boost/archive/iterators/istream_iterator.hpp>
30 #include <boost/archive/iterators/binary_from_base64.hpp>
31 #include <boost/archive/iterators/transform_width.hpp>
32
33 namespace boost {
34 namespace archive {
35
36 namespace {
37 template<class CharType>
38 bool is_whitespace(CharType c);
39
40 template<>
41 bool is_whitespace(char t){
42 return 0 != std::isspace(t);
43 }
44
45 #ifndef BOOST_NO_CWCHAR
46 template<>
47 bool is_whitespace(wchar_t t){
48 return 0 != std::iswspace(t);
49 }
50 #endif
51 }
52
53 // translate base64 text into binary and copy into buffer
54 // until buffer is full.
55 template<class IStream>
56 BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
57 basic_text_iprimitive<IStream>::load_binary(
58 void *address,
59 std::size_t count
60 ){
61 typedef BOOST_DEDUCED_TYPENAME IStream::char_type CharType;
62
63 if(0 == count)
64 return;
65
66 BOOST_ASSERT(
67 static_cast<std::size_t>((std::numeric_limits<std::streamsize>::max)())
68 > (count + sizeof(CharType) - 1)/sizeof(CharType)
69 );
70
71 if(is.fail())
72 boost::serialization::throw_exception(
73 archive_exception(archive_exception::input_stream_error)
74 );
75 // convert from base64 to binary
76 typedef BOOST_DEDUCED_TYPENAME
77 iterators::transform_width<
78 iterators::binary_from_base64<
79 iterators::remove_whitespace<
80 iterators::istream_iterator<CharType>
81 >
82 ,CharType
83 >
84 ,8
85 ,6
86 ,CharType
87 >
88 binary;
89
90 binary i = binary(
91 BOOST_MAKE_PFTO_WRAPPER(
92 iterators::istream_iterator<CharType>(is)
93 )
94 );
95
96 char * caddr = static_cast<char *>(address);
97
98 // take care that we don't increment anymore than necessary
99 while(count-- > 0){
100 *caddr++ = static_cast<char>(*i++);
101 }
102
103 // skip over any excess input
104 for(;;){
105 BOOST_DEDUCED_TYPENAME IStream::int_type r;
106 r = is.get();
107 if(is.eof())
108 break;
109 if(is_whitespace(static_cast<CharType>(r)))
110 break;
111 }
112 }
113
114 template<class IStream>
115 BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
116 basic_text_iprimitive<IStream>::basic_text_iprimitive(
117 IStream &is_,
118 bool no_codecvt
119 ) :
120 #ifndef BOOST_NO_STD_LOCALE
121 is(is_),
122 flags_saver(is_),
123 precision_saver(is_),
124 archive_locale(NULL),
125 locale_saver(* is_.rdbuf())
126 {
127 if(! no_codecvt){
128 archive_locale.reset(
129 add_facet(
130 std::locale::classic(),
131 new codecvt_null<BOOST_DEDUCED_TYPENAME IStream::char_type>
132 )
133 );
134 is.imbue(* archive_locale);
135 }
136 is >> std::noboolalpha;
137 }
138 #else
139 is(is_),
140 flags_saver(is_),
141 precision_saver(is_)
142 {}
143 #endif
144
145 template<class IStream>
146 BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
147 basic_text_iprimitive<IStream>::~basic_text_iprimitive(){
148 is.sync();
149 }
150
151 } // namespace archive
152 } // namespace boost