forked from boostorg/serialization
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathportable_binary_oarchive.cpp
More file actions
98 lines (83 loc) · 2.52 KB
/
portable_binary_oarchive.cpp
File metadata and controls
98 lines (83 loc) · 2.52 KB
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
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// portable_binary_oarchive.cpp
// (C) Copyright 2002-7 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.
#include <ostream>
#include <boost/predef/other/endian.h>
#include "portable_binary_oarchive.hpp"
void
portable_binary_oarchive::save_impl(
const boost::intmax_t l,
const char maxsize
){
char size = 0;
if(l == 0){
this->primitive_base_t::save(size);
return;
}
boost::intmax_t ll;
bool negative = (l < 0);
if(negative)
ll = -l;
else
ll = l;
do{
ll >>= CHAR_BIT;
++size;
}while(ll != 0);
this->primitive_base_t::save(
static_cast<char>(negative ? -size : size)
);
if(negative)
ll = -l;
else
ll = l;
char * cptr = reinterpret_cast<char *>(& ll);
#if BOOST_ENDIAN_BIG_BYTE
cptr += (sizeof(boost::intmax_t) - size);
if(m_flags & endian_little)
reverse_bytes(size, cptr);
#else
if(m_flags & endian_big)
reverse_bytes(size, cptr);
#endif
this->primitive_base_t::save_binary(cptr, size);
}
void
portable_binary_oarchive::init(unsigned int flags) {
if(m_flags == (endian_big | endian_little)){
boost::serialization::throw_exception(
portable_binary_oarchive_exception()
);
}
if(0 == (flags & boost::archive::no_header)){
// write signature in an archive version independent manner
const std::string file_signature(
boost::archive::BOOST_ARCHIVE_SIGNATURE()
);
* this << file_signature;
// write library version
const boost::archive::library_version_type v(
boost::archive::BOOST_ARCHIVE_VERSION()
);
* this << v;
}
save(static_cast<unsigned char>(m_flags >> CHAR_BIT));
}
#include <boost/archive/impl/archive_serializer_map.ipp>
#include <boost/archive/impl/basic_binary_oprimitive.ipp>
namespace boost {
namespace archive {
namespace detail {
template class archive_serializer_map<portable_binary_oarchive>;
}
template class basic_binary_oprimitive<
portable_binary_oarchive,
std::ostream::char_type,
std::ostream::traits_type
> ;
} // namespace archive
} // namespace boost