2 * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
3 * Redistribution and modifications are permitted subject to BSD license.
5 #include <asn_internal.h>
6 #include <UniversalString.h>
7 #include <UTF8String.h>
10 * UniversalString basic type description.
12 static const ber_tlv_tag_t asn_DEF_UniversalString_tags[] = {
13 (ASN_TAG_CLASS_UNIVERSAL | (28 << 2)), /* [UNIVERSAL 28] IMPLICIT ...*/
14 (ASN_TAG_CLASS_UNIVERSAL | (4 << 2)) /* ... OCTET STRING */
16 asn_OCTET_STRING_specifics_t asn_SPC_UniversalString_specs = {
17 sizeof(UniversalString_t),
18 offsetof(UniversalString_t, _asn_ctx),
19 ASN_OSUBV_U32 /* 32-bits character */
21 static asn_per_constraints_t asn_DEF_UniversalString_per_constraints = {
22 { APC_CONSTRAINED, 32, 32, 0, 2147483647 },
23 { APC_SEMI_CONSTRAINED, -1, -1, 0, 0 },
26 asn_TYPE_operation_t asn_OP_UniversalString = {
28 UniversalString_print, /* Convert into UTF8 and print */
30 OCTET_STRING_decode_ber,
31 OCTET_STRING_encode_der,
32 UniversalString_decode_xer, /* Convert from UTF-8 */
33 UniversalString_encode_xer, /* Convert into UTF-8 */
34 #ifdef ASN_DISABLE_OER_SUPPORT
38 OCTET_STRING_decode_oer,
39 OCTET_STRING_encode_oer,
40 #endif /* ASN_DISABLE_OER_SUPPORT */
41 #ifdef ASN_DISABLE_PER_SUPPORT
47 OCTET_STRING_decode_uper,
48 OCTET_STRING_encode_uper,
49 OCTET_STRING_decode_aper,
50 OCTET_STRING_encode_aper,
51 #endif /* ASN_DISABLE_PER_SUPPORT */
52 OCTET_STRING_random_fill,
53 0 /* Use generic outmost tag fetcher */
55 asn_TYPE_descriptor_t asn_DEF_UniversalString = {
58 &asn_OP_UniversalString,
59 asn_DEF_UniversalString_tags,
60 sizeof(asn_DEF_UniversalString_tags)
61 / sizeof(asn_DEF_UniversalString_tags[0]) - 1,
62 asn_DEF_UniversalString_tags,
63 sizeof(asn_DEF_UniversalString_tags)
64 / sizeof(asn_DEF_UniversalString_tags[0]),
65 { 0, &asn_DEF_UniversalString_per_constraints, UniversalString_constraint },
66 0, 0, /* No members */
67 &asn_SPC_UniversalString_specs
71 UniversalString_constraint(const asn_TYPE_descriptor_t *td, const void *sptr,
72 asn_app_constraint_failed_f *ctfailcb,
74 const UniversalString_t *st = (const UniversalString_t *)sptr;
78 ASN__CTFAIL(app_key, td, sptr,
79 "%s: invalid size %" ASN_PRI_SIZE " not divisible by 4 (%s:%d)",
80 td->name, st->size, __FILE__, __LINE__);
84 ASN__CTFAIL(app_key, td, sptr, "%s: value not given (%s:%d)", td->name,
93 UniversalString__dump(const UniversalString_t *st,
94 asn_app_consume_bytes_f *cb, void *app_key) {
95 char scratch[128]; /* Scratchpad buffer */
102 end = (st->buf + st->size);
103 for(end -= 3; ch < end; ch += 4) {
104 uint32_t wc = (ch[0] << 24)
107 | ch[3]; /* 4 bytes */
108 if(sizeof(scratch) - (p - scratch) < 6) {
109 wrote += p - scratch;
110 if(cb(scratch, p - scratch, app_key) < 0)
116 } else if(wc < 0x800) {
117 *p++ = 0xc0 | ((wc >> 6));
118 *p++ = 0x80 | ((wc & 0x3f));
119 } else if(wc < 0x10000) {
120 *p++ = 0xe0 | ((wc >> 12));
121 *p++ = 0x80 | ((wc >> 6) & 0x3f);
122 *p++ = 0x80 | ((wc & 0x3f));
123 } else if(wc < 0x200000) {
124 *p++ = 0xf0 | ((wc >> 18));
125 *p++ = 0x80 | ((wc >> 12) & 0x3f);
126 *p++ = 0x80 | ((wc >> 6) & 0x3f);
127 *p++ = 0x80 | ((wc & 0x3f));
128 } else if(wc < 0x4000000) {
129 *p++ = 0xf8 | ((wc >> 24));
130 *p++ = 0x80 | ((wc >> 18) & 0x3f);
131 *p++ = 0x80 | ((wc >> 12) & 0x3f);
132 *p++ = 0x80 | ((wc >> 6) & 0x3f);
133 *p++ = 0x80 | ((wc & 0x3f));
135 *p++ = 0xfc | ((wc >> 30) & 0x1);
136 *p++ = 0x80 | ((wc >> 24) & 0x3f);
137 *p++ = 0x80 | ((wc >> 18) & 0x3f);
138 *p++ = 0x80 | ((wc >> 12) & 0x3f);
139 *p++ = 0x80 | ((wc >> 6) & 0x3f);
140 *p++ = 0x80 | ((wc & 0x3f));
144 wrote += p - scratch;
145 if(cb(scratch, p - scratch, app_key) < 0)
152 UniversalString_decode_xer(const asn_codec_ctx_t *opt_codec_ctx,
153 const asn_TYPE_descriptor_t *td, void **sptr,
154 const char *opt_mname, const void *buf_ptr,
158 rc = OCTET_STRING_decode_xer_utf8(opt_codec_ctx, td, sptr, opt_mname,
160 if(rc.code == RC_OK) {
162 * Now we have a whole string in UTF-8 format.
163 * Convert it into UCS-4.
168 #ifndef WORDS_BIGENDIAN
169 int little_endian = 1;
173 st = (UTF8String_t *)*sptr;
175 wcs_len = UTF8String_to_wcs(st, 0, 0);
177 wcs = (uint32_t *)MALLOC(4 * (wcs_len + 1));
178 if(wcs == 0 || UTF8String_to_wcs(st, wcs, wcs_len) != wcs_len) {
183 wcs[wcs_len] = 0; /* nul-terminate */
186 #ifndef WORDS_BIGENDIAN
187 if(*(char *)&little_endian) {
188 /* Swap byte order in encoding */
190 uint32_t *wc_end = wcs + wcs_len;
191 for(; wc < wc_end; wc++) {
192 /* *wc = htonl(*wc); */
194 *((uint8_t *)wc + 0) = wch >> 24;
195 *((uint8_t *)wc + 1) = wch >> 16;
196 *((uint8_t *)wc + 2) = wch >> 8;
197 *((uint8_t *)wc + 3) = wch;
200 #endif /* WORDS_BIGENDIAN */
203 st->buf = (uint8_t *)wcs;
204 st->size = 4 * wcs_len;
210 UniversalString_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr,
211 int ilevel, enum xer_encoder_flags_e flags,
212 asn_app_consume_bytes_f *cb, void *app_key) {
213 const UniversalString_t *st = (const UniversalString_t *)sptr;
214 asn_enc_rval_t er = {0,0,0};
222 er.encoded = UniversalString__dump(st, cb, app_key);
223 if(er.encoded < 0) ASN__ENCODE_FAILED;
229 UniversalString_print(const asn_TYPE_descriptor_t *td, const void *sptr,
230 int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
231 const UniversalString_t *st = (const UniversalString_t *)sptr;
233 (void)td; /* Unused argument */
234 (void)ilevel; /* Unused argument */
236 if(!st || !st->buf) return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
238 if(UniversalString__dump(st, cb, app_key) < 0)