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
|
/*-
* Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#include <UniversalString.h>
/*
* UniversalString basic type description.
*/
static ber_tlv_tag_t asn1_DEF_UniversalString_tags[] = {
(ASN_TAG_CLASS_UNIVERSAL | (28 << 2)), /* [UNIVERSAL 28] IMPLICIT ...*/
(ASN_TAG_CLASS_UNIVERSAL | (4 << 2)) /* ... OCTET STRING */
};
asn1_TYPE_descriptor_t asn1_DEF_UniversalString = {
"UniversalString",
asn_generic_no_constraint,
OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */
OCTET_STRING_encode_der, /* Implemented in terms of OCTET STRING */
UniversalString_print, /* Convert into UTF8 and print */
OCTET_STRING_free,
0, /* Use generic outmost tag fetcher */
asn1_DEF_UniversalString_tags,
sizeof(asn1_DEF_UniversalString_tags)
/ sizeof(asn1_DEF_UniversalString_tags[0]) - 1,
asn1_DEF_UniversalString_tags,
sizeof(asn1_DEF_UniversalString_tags)
/ sizeof(asn1_DEF_UniversalString_tags[0]),
-1, /* Both ways are fine */
0, 0, /* No members */
0 /* No specifics */
};
int
UniversalString_print(asn1_TYPE_descriptor_t *td, const void *sptr, int ilevel,
asn_app_consume_bytes_f *cb, void *app_key) {
const UniversalString_t *st = (const UniversalString_t *)sptr;
uint32_t *wchar;
uint32_t *wend;
char scratch[128]; /* Scratchpad buffer */
char *p;
(void)td; /* Unused argument */
(void)ilevel; /* Unused argument */
if(!st || !st->buf) return cb("<absent>", 8, app_key);
wchar = (uint32_t *)st->buf;
wend = (uint32_t *)(st->buf + st->size);
for(p = scratch; wchar < wend; wchar++) {
uint32_t wc = (((uint8_t *)wchar)[0] << 24)
| (((uint8_t *)wchar)[1] << 16)
| (((uint8_t *)wchar)[2] << 8)
| ((uint8_t *)wchar)[3]; /* 4 bytes */
if(sizeof(scratch) - (p - scratch) < 6) {
if(cb(scratch, p - scratch, app_key))
return -1;
p = scratch;
}
if(wc < 0x80) {
*p++ = (char)wc;
} else if(wc < 0x800) {
*p++ = 0xc0 | ((wc >> 6));
*p++ = 0x80 | ((wc & 0x3f));
} else if(wc < 0x10000) {
*p++ = 0xe0 | ((wc >> 12));
*p++ = 0x80 | ((wc >> 6) & 0x3f);
*p++ = 0x80 | ((wc & 0x3f));
} else if(wc < 0x200000) {
*p++ = 0xf0 | ((wc >> 18));
*p++ = 0x80 | ((wc >> 12) & 0x3f);
*p++ = 0x80 | ((wc >> 6) & 0x3f);
*p++ = 0x80 | ((wc & 0x3f));
} else if(wc < 0x4000000) {
*p++ = 0xf8 | ((wc >> 24));
*p++ = 0x80 | ((wc >> 18) & 0x3f);
*p++ = 0x80 | ((wc >> 12) & 0x3f);
*p++ = 0x80 | ((wc >> 6) & 0x3f);
*p++ = 0x80 | ((wc & 0x3f));
} else {
*p++ = 0xfc | ((wc >> 30) & 0x1);
*p++ = 0x80 | ((wc >> 24) & 0x3f);
*p++ = 0x80 | ((wc >> 18) & 0x3f);
*p++ = 0x80 | ((wc >> 12) & 0x3f);
*p++ = 0x80 | ((wc >> 6) & 0x3f);
*p++ = 0x80 | ((wc & 0x3f));
}
}
return cb(scratch, p - scratch, app_key);
}
|
