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
199
200
201
|
/* NSString+MAPIStore.m - this file is part of SOGo
*
* Copyright (C) 2010-2012 Inverse inc.
*
* Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <talloc.h>
#include <stdbool.h>
#import <Foundation/NSData.h>
#import "NSString+MAPIStore.h"
#undef DEBUG
#include <talloc.h>
#include <util/time.h>
#include <mapistore/mapistore.h>
@implementation NSString (MAPIStoreDataTypes)
+ (id) stringWithGUID: (const struct GUID *) guid
{
char *guidString;
NSString *newString;
guidString = GUID_string (NULL, guid);
newString = [self stringWithUTF8String: guidString];
talloc_free (guidString);
return newString;
}
- (void) extractGUID: (struct GUID *) guid
{
GUID_from_string ([self UTF8String], guid);
}
- (char *) asUnicodeInMemCtx: (void *) memCtx
{
char *unicode;
NSData *encoded;
if ([self length] > 0)
{
encoded = [self dataUsingEncoding: NSUTF8StringEncoding];
unicode = talloc_strndup (memCtx, [encoded bytes], [encoded length]);
}
else
unicode = talloc_memdup (memCtx, "", 1);
return unicode;
}
- (char) _decodeHexByte: (char) byteChar
{
char newByte;
if (byteChar >= 48 && byteChar <= 57)
newByte = (uint8_t) byteChar - 48;
else if (byteChar >= 65 && byteChar <= 70)
newByte = (uint8_t) byteChar - 55;
else if (byteChar >= 97 && byteChar <= 102)
newByte = (uint8_t) byteChar - 87;
else
newByte = -1;
return newByte;
}
- (BOOL) _decodeHexByte: (uint8_t *) byte
atPos: (NSUInteger) pos
{
BOOL error = NO;
char newByte;
unichar byteChar;
byteChar = [self characterAtIndex: pos];
if (byteChar < 256)
{
newByte = [self _decodeHexByte: (char) byteChar];
if (newByte == -1)
error = YES;
else
*byte = newByte;
}
else
error = YES;
return error;
}
- (BOOL) _decodeHexPair: (uint8_t *) byte
atPos: (NSUInteger) pos
{
BOOL error;
uint8_t lowValue, highValue;
error = [self _decodeHexByte: &highValue atPos: pos];
if (!error)
{
error = [self _decodeHexByte: &lowValue atPos: pos + 1];
if (!error)
*byte = highValue << 4 | lowValue;
}
return error;
}
- (NSData *) convertHexStringToBytes
{
NSUInteger count, strLen, bytesLen;
uint8_t *bytes, *currentByte;
NSData *decoded = nil;
BOOL error = NO;
strLen = [self length];
if ((strLen % 2) == 0)
{
bytesLen = strLen / 2;
bytes = NSZoneCalloc (NULL, bytesLen, sizeof (uint8_t));
currentByte = bytes;
for (count = 0; !error && count < strLen; count += 2)
{
error = [self _decodeHexPair: currentByte atPos: count];
currentByte++;
}
if (error)
NSZoneFree (NULL, bytes);
else
decoded = [NSData dataWithBytesNoCopy: bytes
length: bytesLen
freeWhenDone: YES];
}
return decoded;
}
- (NSString *) stringByReplacingPercentEscapesUsingEncoding: (NSStringEncoding) encoding
{
NSString *newString;
NSData *data;
NSUInteger count, length, newCount;
const char *bytes;
char *newBytes;
char newByte0, newByte1;
data = [self dataUsingEncoding: NSASCIIStringEncoding];
if (data)
{
length = [data length];
bytes = [data bytes];
newBytes = NSZoneMalloc (NULL, sizeof (char) * length);
newCount = 0;
for (count = 0; count < length; count++)
{
if (bytes[count] == '%')
{
newByte0 = [self _decodeHexByte: bytes[count+1]];
newByte1 = [self _decodeHexByte: bytes[count+2]];
if ((newByte0 != -1) && (newByte1 != -1))
{
newBytes[newCount] = (((newByte0 << 4) & 0xf0)
| (newByte1 & 0x0f));
count += 2;
}
else
newBytes[newCount] = bytes[count];
}
else
newBytes[newCount] = bytes[count];
newCount++;
}
data = [NSData dataWithBytesNoCopy: newBytes length: newCount freeWhenDone: YES];
newString = [[NSString alloc]
initWithData: data encoding: encoding];
[newString autorelease];
}
else
newString = nil;
return newString;
}
@end
|
