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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
// Boost uuid_io.hpp header file ----------------------------------------------//
// Copyright 2009 Andy Tompkins.
// Distributed under 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)
// Revision History
// 20 Mar 2009 - Initial Revision
// 28 Nov 2009 - disabled deprecated warnings for MSVC
#ifndef BOOST_UUID_IO_HPP
#define BOOST_UUID_IO_HPP
#include <boost/uuid/uuid.hpp>
#include <ios>
#include <ostream>
#include <istream>
#include <boost/io/ios_state.hpp>
#include <locale>
#include <algorithm>
#if defined(_MSC_VER)
#pragma warning(push) // Save warning settings.
#pragma warning(disable : 4996) // Disable deprecated std::ctype<char>::widen, std::copy
#endif
namespace boost {
namespace uuids {
template <typename ch, typename char_traits>
std::basic_ostream<ch, char_traits>& operator<<(std::basic_ostream<ch, char_traits> &os, uuid const& u)
{
io::ios_flags_saver flags_saver(os);
io::basic_ios_fill_saver<ch, char_traits> fill_saver(os);
const typename std::basic_ostream<ch, char_traits>::sentry ok(os);
if (ok) {
const std::streamsize width = os.width(0);
const std::streamsize uuid_width = 36;
const std::ios_base::fmtflags flags = os.flags();
const typename std::basic_ios<ch, char_traits>::char_type fill = os.fill();
if (flags & (std::ios_base::right | std::ios_base::internal)) {
for (std::streamsize i=uuid_width; i<width; i++) {
os << fill;
}
}
os << std::hex;
os.fill(os.widen('0'));
std::size_t i=0;
for (uuid::const_iterator i_data = u.begin(); i_data!=u.end(); ++i_data, ++i) {
os.width(2);
os << static_cast<unsigned int>(*i_data);
if (i == 3 || i == 5 || i == 7 || i == 9) {
os << os.widen('-');
}
}
if (flags & std::ios_base::left) {
for (std::streamsize s=uuid_width; s<width; s++) {
os << fill;
}
}
os.width(0); //used the width so reset it
}
return os;
}
template <typename ch, typename char_traits>
std::basic_istream<ch, char_traits>& operator>>(std::basic_istream<ch, char_traits> &is, uuid &u)
{
const typename std::basic_istream<ch, char_traits>::sentry ok(is);
if (ok) {
unsigned char data[16];
typedef std::ctype<ch> ctype_t;
ctype_t const& ctype = std::use_facet<ctype_t>(is.getloc());
ch xdigits[16];
{
char szdigits[] = "0123456789ABCDEF";
ctype.widen(szdigits, szdigits+16, xdigits);
}
ch*const xdigits_end = xdigits+16;
ch c;
for (std::size_t i=0; i<u.size() && is; ++i) {
is >> c;
c = ctype.toupper(c);
ch* f = std::find(xdigits, xdigits_end, c);
if (f == xdigits_end) {
is.setstate(std::ios_base::failbit);
break;
}
unsigned char byte = static_cast<unsigned char>(std::distance(&xdigits[0], f));
is >> c;
c = ctype.toupper(c);
f = std::find(xdigits, xdigits_end, c);
if (f == xdigits_end) {
is.setstate(std::ios_base::failbit);
break;
}
byte <<= 4;
byte |= static_cast<unsigned char>(std::distance(&xdigits[0], f));
data[i] = byte;
if (is) {
if (i == 3 || i == 5 || i == 7 || i == 9) {
is >> c;
if (c != is.widen('-')) is.setstate(std::ios_base::failbit);
}
}
}
if (is) {
std::copy(data, data+16, u.begin());
}
}
return is;
}
namespace detail {
inline char to_char(size_t i) {
if (i <= 9) {
return static_cast<char>('0' + i);
} else {
return static_cast<char>('a' + (i-10));
}
}
inline wchar_t to_wchar(size_t i) {
if (i <= 9) {
return static_cast<wchar_t>(L'0' + i);
} else {
return static_cast<wchar_t>(L'a' + (i-10));
}
}
} // namespace detail
inline std::string to_string(uuid const& u)
{
std::string result;
result.reserve(36);
std::size_t i=0;
for (uuid::const_iterator it_data = u.begin(); it_data!=u.end(); ++it_data, ++i) {
const size_t hi = ((*it_data) >> 4) & 0x0F;
result += detail::to_char(hi);
const size_t lo = (*it_data) & 0x0F;
result += detail::to_char(lo);
if (i == 3 || i == 5 || i == 7 || i == 9) {
result += '-';
}
}
return result;
}
#ifndef BOOST_NO_STD_WSTRING
inline std::wstring to_wstring(uuid const& u)
{
std::wstring result;
result.reserve(36);
std::size_t i=0;
for (uuid::const_iterator it_data = u.begin(); it_data!=u.end(); ++it_data, ++i) {
const size_t hi = ((*it_data) >> 4) & 0x0F;
result += detail::to_wchar(hi);
const size_t lo = (*it_data) & 0x0F;
result += detail::to_wchar(lo);
if (i == 3 || i == 5 || i == 7 || i == 9) {
result += L'-';
}
}
return result;
}
#endif
}} //namespace boost::uuids
#if defined(_MSC_VER)
#pragma warning(pop) // Restore warnings to previous state.
#endif
#endif // BOOST_UUID_IO_HPP
|
Swift