vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | /*- |
| 2 | * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved. |
| 3 | * Redistribution and modifications are permitted subject to BSD license. |
| 4 | */ |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 5 | #include <asn_internal.h> |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 6 | #include <UniversalString.h> |
| 7 | |
| 8 | /* |
| 9 | * UniversalString basic type description. |
| 10 | */ |
| 11 | static ber_tlv_tag_t asn1_DEF_UniversalString_tags[] = { |
vlm | 72425de | 2004-09-13 08:31:01 +0000 | [diff] [blame] | 12 | (ASN_TAG_CLASS_UNIVERSAL | (28 << 2)), /* [UNIVERSAL 28] IMPLICIT ...*/ |
| 13 | (ASN_TAG_CLASS_UNIVERSAL | (4 << 2)) /* ... OCTET STRING */ |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 14 | }; |
| 15 | asn1_TYPE_descriptor_t asn1_DEF_UniversalString = { |
| 16 | "UniversalString", |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 17 | OCTET_STRING_free, |
| 18 | UniversalString_print, /* Convert into UTF8 and print */ |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 19 | asn_generic_no_constraint, |
| 20 | OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */ |
| 21 | OCTET_STRING_encode_der, /* Implemented in terms of OCTET STRING */ |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 22 | 0, /* Not implemented yet */ |
| 23 | UniversalString_encode_xer, /* Conver into UTF8 */ |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 24 | 0, /* Use generic outmost tag fetcher */ |
| 25 | asn1_DEF_UniversalString_tags, |
| 26 | sizeof(asn1_DEF_UniversalString_tags) |
vlm | 72425de | 2004-09-13 08:31:01 +0000 | [diff] [blame] | 27 | / sizeof(asn1_DEF_UniversalString_tags[0]) - 1, |
| 28 | asn1_DEF_UniversalString_tags, |
| 29 | sizeof(asn1_DEF_UniversalString_tags) |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 30 | / sizeof(asn1_DEF_UniversalString_tags[0]), |
vlm | e413c12 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 31 | 0, 0, /* No members */ |
vlm | b42843a | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 32 | 0 /* No specifics */ |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 33 | }; |
| 34 | |
| 35 | |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 36 | static ssize_t |
| 37 | UniversalString__dump(const UniversalString_t *st, |
| 38 | asn_app_consume_bytes_f *cb, void *app_key) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 39 | char scratch[128]; /* Scratchpad buffer */ |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 40 | char *p = scratch; |
| 41 | ssize_t wrote = 0; |
| 42 | uint8_t *ch; |
| 43 | uint8_t *end; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 44 | |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 45 | ch = st->buf; |
| 46 | end = (st->buf + st->size); |
| 47 | for(end -= 3; ch < end; ch += 4) { |
| 48 | uint32_t wc = (ch[0] << 24) |
| 49 | | (ch[1] << 16) |
| 50 | | (ch[2] << 8) |
| 51 | | ch[3]; /* 4 bytes */ |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 52 | if(sizeof(scratch) - (p - scratch) < 6) { |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 53 | wrote += p - scratch; |
| 54 | if(cb(scratch, p - scratch, app_key) < 0) |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 55 | return -1; |
| 56 | p = scratch; |
| 57 | } |
| 58 | if(wc < 0x80) { |
| 59 | *p++ = (char)wc; |
| 60 | } else if(wc < 0x800) { |
| 61 | *p++ = 0xc0 | ((wc >> 6)); |
| 62 | *p++ = 0x80 | ((wc & 0x3f)); |
| 63 | } else if(wc < 0x10000) { |
| 64 | *p++ = 0xe0 | ((wc >> 12)); |
| 65 | *p++ = 0x80 | ((wc >> 6) & 0x3f); |
| 66 | *p++ = 0x80 | ((wc & 0x3f)); |
| 67 | } else if(wc < 0x200000) { |
| 68 | *p++ = 0xf0 | ((wc >> 18)); |
| 69 | *p++ = 0x80 | ((wc >> 12) & 0x3f); |
| 70 | *p++ = 0x80 | ((wc >> 6) & 0x3f); |
| 71 | *p++ = 0x80 | ((wc & 0x3f)); |
| 72 | } else if(wc < 0x4000000) { |
| 73 | *p++ = 0xf8 | ((wc >> 24)); |
| 74 | *p++ = 0x80 | ((wc >> 18) & 0x3f); |
| 75 | *p++ = 0x80 | ((wc >> 12) & 0x3f); |
| 76 | *p++ = 0x80 | ((wc >> 6) & 0x3f); |
| 77 | *p++ = 0x80 | ((wc & 0x3f)); |
| 78 | } else { |
| 79 | *p++ = 0xfc | ((wc >> 30) & 0x1); |
| 80 | *p++ = 0x80 | ((wc >> 24) & 0x3f); |
| 81 | *p++ = 0x80 | ((wc >> 18) & 0x3f); |
| 82 | *p++ = 0x80 | ((wc >> 12) & 0x3f); |
| 83 | *p++ = 0x80 | ((wc >> 6) & 0x3f); |
| 84 | *p++ = 0x80 | ((wc & 0x3f)); |
| 85 | } |
| 86 | } |
| 87 | |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 88 | wrote += p - scratch; |
| 89 | if(cb(scratch, p - scratch, app_key) < 0) |
| 90 | return -1; |
| 91 | |
| 92 | return wrote; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 93 | } |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 94 | |
| 95 | asn_enc_rval_t |
| 96 | UniversalString_encode_xer(asn1_TYPE_descriptor_t *td, void *sptr, |
| 97 | int ilevel, enum xer_encoder_flags_e flags, |
| 98 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 99 | const UniversalString_t *st = (const UniversalString_t *)sptr; |
| 100 | asn_enc_rval_t er; |
| 101 | |
| 102 | (void)ilevel; |
| 103 | (void)flags; |
| 104 | |
| 105 | if(!st || !st->buf) |
| 106 | _ASN_ENCODE_FAILED; |
| 107 | |
| 108 | er.encoded = UniversalString__dump(st, cb, app_key); |
| 109 | if(er.encoded < 0) _ASN_ENCODE_FAILED; |
| 110 | |
| 111 | return er; |
| 112 | } |
| 113 | |
| 114 | int |
| 115 | UniversalString_print(asn1_TYPE_descriptor_t *td, const void *sptr, int ilevel, |
| 116 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 117 | const UniversalString_t *st = (const UniversalString_t *)sptr; |
| 118 | |
| 119 | (void)td; /* Unused argument */ |
| 120 | (void)ilevel; /* Unused argument */ |
| 121 | |
vlm | 6678cb1 | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 122 | if(!st || !st->buf) return (cb("<absent>", 8, app_key) < 0) ? -1 : 0; |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 123 | |
| 124 | if(UniversalString__dump(st, cb, app_key) < 0) |
| 125 | return -1; |
| 126 | |
| 127 | return 0; |
| 128 | } |
| 129 | |