12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFUUID.h"
#import "OFString.h"
#import "OFInvalidArgumentException.h"
@implementation OFUUID
+ (instancetype)UUID
{
return [[[self alloc] init] autorelease];
}
|
>
>
>
>
>
|
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFUUID.h"
#import "OFArray.h"
#import "OFString.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
#define bytesSize 16
@implementation OFUUID
+ (instancetype)UUID
{
return [[[self alloc] init] autorelease];
}
|
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
}
- (instancetype)initWithUUIDBytes: (const unsigned char [16])bytes
{
self = [super init];
memcpy(_bytes, bytes, sizeof(_bytes));
return self;
}
- (bool)isEqual: (id)object
{
OFUUID *UUID;
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
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
|
}
- (instancetype)initWithUUIDBytes: (const unsigned char [16])bytes
{
self = [super init];
memcpy(_bytes, bytes, sizeof(_bytes));
return self;
}
static void
decode(OFArray OF_GENERIC(OFString *) *components, size_t componentIndex,
size_t componentLength, unsigned char *bytes, size_t *i)
{
void *pool = objc_autoreleasePoolPush();
OFString *component = [components objectAtIndex: componentIndex];
const char *cString;
if (component.UTF8StringLength != componentLength)
@throw [OFInvalidFormatException exception];
if (*i + componentLength / 2 > bytesSize)
@throw [OFOutOfRangeException exception];
cString = component.UTF8String;
for (size_t j = 0; j < componentLength; j += 2) {
uint8_t value;
if (cString[j] >= '0' && cString[j] <= '9')
value = cString[j] - '0';
else if (cString[j] >= 'a' && cString[j] <= 'f')
value = cString[j] - 'a' + 10;
else if (cString[j] >= 'A' && cString[j] <= 'F')
value = cString[j] - 'A' + 10;
else
@throw [OFInvalidFormatException exception];
value <<= 4;
if (cString[j + 1] >= '0' && cString[j + 1] <= '9')
value |= cString[j + 1] - '0';
else if (cString[j + 1] >= 'a' && cString[j + 1] <= 'f')
value |= cString[j + 1] - 'a' + 10;
else if (cString[j + 1] >= 'A' && cString[j + 1] <= 'F')
value |= cString[j + 1] - 'A' + 10;
else
@throw [OFInvalidFormatException exception];
bytes[(*i)++] = value;
}
objc_autoreleasePoolPop(pool);
}
- (instancetype)initWithUUIDString: (OFString *)string
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
size_t i = 0;
OFArray OF_GENERIC(OFString *) *components =
[string componentsSeparatedByString: @"-"];
if (components.count != 5)
@throw [OFInvalidFormatException exception];
decode(components, 0, 8, _bytes, &i);
decode(components, 1, 4, _bytes, &i);
decode(components, 2, 4, _bytes, &i);
decode(components, 3, 4, _bytes, &i);
decode(components, 4, 12, _bytes, &i);
OFEnsure(i == 16);
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (bool)isEqual: (id)object
{
OFUUID *UUID;
|