1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
#ifndef BOOST_ARCHIVE_BASIC_BINARY_OPRIMITIVE_HPP
#define BOOST_ARCHIVE_BASIC_BINARY_OPRIMITIVE_HPP
// MS compatible compilers support #pragma once
#if defined(_MSC_VER)
# pragma once
#endif
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// basic_binary_oprimitive.hpp
// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for updates, documentation, and revision history.
// archives stored as native binary - this should be the fastest way
// to archive the state of a group of obects. It makes no attempt to
// convert to any canonical form.
// IN GENERAL, ARCHIVES CREATED WITH THIS CLASS WILL NOT BE READABLE
// ON PLATFORM APART FROM THE ONE THEY ARE CREATE ON
#include <iosfwd>
#include <boost/assert.hpp>
#include <locale>
#include <streambuf> // basic_streambuf
#include <string>
#include <cstddef> // size_t
#include <boost/config.hpp>
#if defined(BOOST_NO_STDC_NAMESPACE)
namespace std{
using ::size_t;
} // namespace std
#endif
#include <boost/cstdint.hpp>
#include <boost/integer.hpp>
#include <boost/integer_traits.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/serialization/throw_exception.hpp>
#include <boost/archive/basic_streambuf_locale_saver.hpp>
#include <boost/archive/archive_exception.hpp>
#include <boost/serialization/is_bitwise_serializable.hpp>
#include <boost/mpl/placeholders.hpp>
#include <boost/serialization/array.hpp>
#include <boost/archive/detail/auto_link_archive.hpp>
#include <boost/archive/detail/abi_prefix.hpp> // must be the last header
namespace boost {
namespace archive {
/////////////////////////////////////////////////////////////////////////
// class basic_binary_oprimitive - binary output of prmitives
template<class Archive, class Elem, class Tr>
class basic_binary_oprimitive {
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
friend class save_access;
protected:
#else
public:
#endif
std::basic_streambuf<Elem, Tr> & m_sb;
// return a pointer to the most derived class
Archive * This(){
return static_cast<Archive *>(this);
}
#ifndef BOOST_NO_STD_LOCALE
boost::scoped_ptr<std::locale> archive_locale;
basic_streambuf_locale_saver<Elem, Tr> locale_saver;
#endif
// default saving of primitives.
template<class T>
void save(const T & t)
{
save_binary(& t, sizeof(T));
}
/////////////////////////////////////////////////////////
// fundamental types that need special treatment
// trap usage of invalid uninitialized boolean which would
// otherwise crash on load.
void save(const bool t){
BOOST_ASSERT(0 == static_cast<int>(t) || 1 == static_cast<int>(t));
save_binary(& t, sizeof(t));
}
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
save(const std::string &s);
#ifndef BOOST_NO_STD_WSTRING
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
save(const std::wstring &ws);
#endif
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
save(const char * t);
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
save(const wchar_t * t);
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
init();
BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
basic_binary_oprimitive(
std::basic_streambuf<Elem, Tr> & sb,
bool no_codecvt
);
BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
~basic_binary_oprimitive();
public:
// we provide an optimized save for all fundamental types
// typedef serialization::is_bitwise_serializable<mpl::_1>
// use_array_optimization;
// workaround without using mpl lambdas
struct use_array_optimization {
template <class T>
#if defined(BOOST_NO_DEPENDENT_NESTED_DERIVATIONS)
struct apply {
typedef typename boost::serialization::is_bitwise_serializable< T >::type type;
};
#else
struct apply : public boost::serialization::is_bitwise_serializable< T > {};
#endif
};
// the optimized save_array dispatches to save_binary
template <class ValueType>
void save_array(boost::serialization::array<ValueType> const& a, unsigned int)
{
save_binary(a.address(),a.count()*sizeof(ValueType));
}
void save_binary(const void *address, std::size_t count);
};
template<class Archive, class Elem, class Tr>
inline void
basic_binary_oprimitive<Archive, Elem, Tr>::save_binary(
const void *address,
std::size_t count
){
//BOOST_ASSERT(
// static_cast<std::size_t>((std::numeric_limits<std::streamsize>::max)()) >= count
//);
// note: if the following assertions fail
// a likely cause is that the output stream is set to "text"
// mode where by cr characters recieve special treatment.
// be sure that the output stream is opened with ios::binary
//if(os.fail())
// boost::serialization::throw_exception(
// archive_exception(archive_exception::output_stream_error)
// );
// figure number of elements to output - round up
count = ( count + sizeof(Elem) - 1)
/ sizeof(Elem);
BOOST_ASSERT(count <= std::size_t(boost::integer_traits<std::streamsize>::const_max));
std::streamsize scount = m_sb.sputn(
static_cast<const Elem *>(address),
static_cast<std::streamsize>(count)
);
if(count != static_cast<std::size_t>(scount))
boost::serialization::throw_exception(
archive_exception(archive_exception::output_stream_error)
);
//os.write(
// static_cast<const typename OStream::char_type *>(address),
// count
//);
//BOOST_ASSERT(os.good());
}
} //namespace boost
} //namespace archive
#include <boost/archive/detail/abi_suffix.hpp> // pop pragmas
#endif // BOOST_ARCHIVE_BASIC_BINARY_OPRIMITIVE_HPP
|