1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
2 // basic_text_iprimitive.ipp:
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)
9 // See http://www.boost.org for updates, documentation, and revision history.
11 #include <cstddef> // size_t
12 #include <cstddef> // NULL
14 #include <boost/config.hpp>
15 #if defined(BOOST_NO_STDC_NAMESPACE)
21 #include <boost/serialization/throw_exception.hpp>
22 #include <boost/serialization/pfto.hpp>
24 #include <boost/archive/basic_text_iprimitive.hpp>
25 #include <boost/archive/codecvt_null.hpp>
26 #include <boost/archive/add_facet.hpp>
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>
37 template<class CharType>
38 static inline bool is_whitespace(CharType c);
41 inline bool is_whitespace(char t){
42 return 0 != std::isspace(t);
45 #ifndef BOOST_NO_CWCHAR
47 inline bool is_whitespace(wchar_t t){
48 return 0 != std::iswspace(t);
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(
61 typedef typename IStream::char_type CharType;
67 static_cast<std::size_t>((std::numeric_limits<std::streamsize>::max)())
68 > (count + sizeof(CharType) - 1)/sizeof(CharType)
72 boost::serialization::throw_exception(
73 archive_exception(archive_exception::input_stream_error)
75 // convert from base64 to binary
77 iterators::transform_width<
78 iterators::binary_from_base64<
79 iterators::remove_whitespace<
80 iterators::istream_iterator<CharType>
91 BOOST_MAKE_PFTO_WRAPPER(
92 iterators::istream_iterator<CharType>(is)
96 char * caddr = static_cast<char *>(address);
98 // take care that we don't increment anymore than necessary
100 *caddr++ = static_cast<char>(*i++);
103 // skip over any excess input
105 typename IStream::int_type r;
109 if(detail::is_whitespace(static_cast<CharType>(r)))
114 template<class IStream>
115 BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
116 basic_text_iprimitive<IStream>::basic_text_iprimitive(
120 #ifndef BOOST_NO_STD_LOCALE
123 precision_saver(is_),
124 archive_locale(NULL),
125 locale_saver(* is_.rdbuf())
128 archive_locale.reset(
130 std::locale::classic(),
131 new codecvt_null<typename IStream::char_type>
134 is.imbue(* archive_locale);
136 is >> std::noboolalpha;
145 template<class IStream>
146 BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
147 basic_text_iprimitive<IStream>::~basic_text_iprimitive(){
151 } // namespace archive