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1 | #ifndef BOOST_ARCHIVE_BASIC_TEXT_IPRIMITIVE_HPP |
2 | #define BOOST_ARCHIVE_BASIC_TEXT_IPRIMITIVE_HPP | |
3 | ||
4 | // MS compatible compilers support #pragma once | |
5 | #if defined(_MSC_VER) | |
6 | # pragma once | |
7 | #endif | |
8 | ||
9 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
10 | // basic_text_iprimitive.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 | // archives stored as text - note these are templated on the basic | |
20 | // stream templates to accommodate wide (and other?) kind of characters | |
21 | // | |
22 | // Note the fact that on libraries without wide characters, ostream is | |
23 | // not a specialization of basic_ostream which in fact is not defined | |
24 | // in such cases. So we can't use basic_ostream<IStream::char_type> but rather | |
25 | // use two template parameters | |
26 | ||
27 | #include <locale> | |
28 | #include <cstddef> // size_t | |
29 | ||
30 | #include <boost/config.hpp> | |
31 | #if defined(BOOST_NO_STDC_NAMESPACE) | |
32 | namespace std{ | |
33 | using ::size_t; | |
34 | #if ! defined(BOOST_DINKUMWARE_STDLIB) && ! defined(__SGI_STL_PORT) | |
35 | using ::locale; | |
36 | #endif | |
37 | } // namespace std | |
38 | #endif | |
39 | ||
40 | #include <boost/io/ios_state.hpp> | |
41 | #include <boost/static_assert.hpp> | |
42 | ||
43 | #include <boost/detail/workaround.hpp> | |
44 | #if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1) | |
45 | #include <boost/archive/dinkumware.hpp> | |
46 | #endif | |
47 | #include <boost/serialization/throw_exception.hpp> | |
48 | #include <boost/archive/codecvt_null.hpp> | |
49 | #include <boost/archive/archive_exception.hpp> | |
50 | #include <boost/archive/basic_streambuf_locale_saver.hpp> | |
51 | #include <boost/archive/detail/abi_prefix.hpp> // must be the last header | |
52 | ||
53 | namespace boost { | |
54 | namespace archive { | |
55 | ||
56 | ///////////////////////////////////////////////////////////////////////// | |
57 | // class basic_text_iarchive - load serialized objects from a input text stream | |
58 | #if defined(_MSC_VER) | |
59 | #pragma warning( push ) | |
60 | #pragma warning( disable : 4244 4267 ) | |
61 | #endif | |
62 | ||
63 | template<class IStream> | |
64 | class BOOST_SYMBOL_VISIBLE basic_text_iprimitive { | |
65 | protected: | |
66 | IStream &is; | |
67 | io::ios_flags_saver flags_saver; | |
68 | io::ios_precision_saver precision_saver; | |
69 | ||
70 | #ifndef BOOST_NO_STD_LOCALE | |
71 | // note order! - if you change this, libstd++ will fail! | |
72 | // a) create new locale with new codecvt facet | |
73 | // b) save current locale | |
74 | // c) change locale to new one | |
75 | // d) use stream buffer | |
76 | // e) change locale back to original | |
77 | // f) destroy new codecvt facet | |
78 | boost::archive::codecvt_null<typename IStream::char_type> codecvt_null_facet; | |
79 | std::locale archive_locale; | |
80 | basic_istream_locale_saver< | |
81 | typename IStream::char_type, | |
82 | typename IStream::traits_type | |
83 | > locale_saver; | |
84 | #endif | |
85 | ||
86 | template<class T> | |
87 | void load(T & t) | |
88 | { | |
89 | if(is >> t) | |
90 | return; | |
91 | boost::serialization::throw_exception( | |
92 | archive_exception(archive_exception::input_stream_error) | |
93 | ); | |
94 | } | |
95 | ||
96 | void load(char & t) | |
97 | { | |
98 | short int i; | |
99 | load(i); | |
100 | t = i; | |
101 | } | |
102 | void load(signed char & t) | |
103 | { | |
104 | short int i; | |
105 | load(i); | |
106 | t = i; | |
107 | } | |
108 | void load(unsigned char & t) | |
109 | { | |
110 | unsigned short int i; | |
111 | load(i); | |
112 | t = i; | |
113 | } | |
114 | ||
115 | #ifndef BOOST_NO_INTRINSIC_WCHAR_T | |
116 | void load(wchar_t & t) | |
117 | { | |
118 | BOOST_STATIC_ASSERT(sizeof(wchar_t) <= sizeof(int)); | |
119 | int i; | |
120 | load(i); | |
121 | t = i; | |
122 | } | |
123 | #endif | |
124 | BOOST_ARCHIVE_OR_WARCHIVE_DECL | |
125 | basic_text_iprimitive(IStream &is, bool no_codecvt); | |
126 | BOOST_ARCHIVE_OR_WARCHIVE_DECL | |
127 | ~basic_text_iprimitive(); | |
128 | public: | |
129 | BOOST_ARCHIVE_OR_WARCHIVE_DECL void | |
130 | load_binary(void *address, std::size_t count); | |
131 | }; | |
132 | ||
133 | #if defined(_MSC_VER) | |
134 | #pragma warning( pop ) | |
135 | #endif | |
136 | ||
137 | } // namespace archive | |
138 | } // namespace boost | |
139 | ||
140 | #include <boost/archive/detail/abi_suffix.hpp> // pop pragmas | |
141 | ||
142 | #endif // BOOST_ARCHIVE_BASIC_TEXT_IPRIMITIVE_HPP |