+++ /dev/null
-/*-
- * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
- * Redistribution and modifications are permitted subject to BSD license.
- */
-#include <asn_internal.h>
-#include <BIT_STRING.h>
-#include <asn_internal.h>
-
-/*
- * BIT STRING basic type description.
- */
-static ber_tlv_tag_t asn_DEF_BIT_STRING_tags[] = {
- (ASN_TAG_CLASS_UNIVERSAL | (3 << 2))
-};
-static asn_OCTET_STRING_specifics_t asn_DEF_BIT_STRING_specs = {
- sizeof(BIT_STRING_t),
- offsetof(BIT_STRING_t, _asn_ctx),
- 1, /* Special indicator that this is a BIT STRING type */
-};
-asn_TYPE_descriptor_t asn_DEF_BIT_STRING = {
- "BIT STRING",
- "BIT_STRING",
- OCTET_STRING_free, /* Implemented in terms of OCTET STRING */
- BIT_STRING_print,
- BIT_STRING_constraint,
- OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */
- OCTET_STRING_encode_der, /* Implemented in terms of OCTET STRING */
- OCTET_STRING_decode_xer_binary,
- BIT_STRING_encode_xer,
- OCTET_STRING_decode_uper, /* Unaligned PER decoder */
- OCTET_STRING_encode_uper, /* Unaligned PER encoder */
- 0, /* Use generic outmost tag fetcher */
- asn_DEF_BIT_STRING_tags,
- sizeof(asn_DEF_BIT_STRING_tags)
- / sizeof(asn_DEF_BIT_STRING_tags[0]),
- asn_DEF_BIT_STRING_tags, /* Same as above */
- sizeof(asn_DEF_BIT_STRING_tags)
- / sizeof(asn_DEF_BIT_STRING_tags[0]),
- 0, /* No PER visible constraints */
- 0, 0, /* No members */
- &asn_DEF_BIT_STRING_specs
-};
-
-/*
- * BIT STRING generic constraint.
- */
-int
-BIT_STRING_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
- asn_app_constraint_failed_f *ctfailcb, void *app_key) {
- const BIT_STRING_t *st = (const BIT_STRING_t *)sptr;
-
- if(st && st->buf) {
- if(st->size == 1 && st->bits_unused) {
- _ASN_CTFAIL(app_key, td,
- "%s: invalid padding byte (%s:%d)",
- td->name, __FILE__, __LINE__);
- return -1;
- }
- } else {
- _ASN_CTFAIL(app_key, td,
- "%s: value not given (%s:%d)",
- td->name, __FILE__, __LINE__);
- return -1;
- }
-
- return 0;
-}
-
-static char *_bit_pattern[16] = {
- "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111",
- "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111"
-};
-
-asn_enc_rval_t
-BIT_STRING_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
- int ilevel, enum xer_encoder_flags_e flags,
- asn_app_consume_bytes_f *cb, void *app_key) {
- asn_enc_rval_t er;
- char scratch[128];
- char *p = scratch;
- char *scend = scratch + (sizeof(scratch) - 10);
- const BIT_STRING_t *st = (const BIT_STRING_t *)sptr;
- int xcan = (flags & XER_F_CANONICAL);
- uint8_t *buf;
- uint8_t *end;
-
- if(!st || !st->buf)
- _ASN_ENCODE_FAILED;
-
- er.encoded = 0;
-
- buf = st->buf;
- end = buf + st->size - 1; /* Last byte is special */
-
- /*
- * Binary dump
- */
- for(; buf < end; buf++) {
- int v = *buf;
- int nline = xcan?0:(((buf - st->buf) % 8) == 0);
- if(p >= scend || nline) {
- er.encoded += p - scratch;
- _ASN_CALLBACK(scratch, p - scratch);
- p = scratch;
- if(nline) _i_ASN_TEXT_INDENT(1, ilevel);
- }
- memcpy(p + 0, _bit_pattern[v >> 4], 4);
- memcpy(p + 4, _bit_pattern[v & 0x0f], 4);
- p += 8;
- }
-
- if(!xcan && ((buf - st->buf) % 8) == 0)
- _i_ASN_TEXT_INDENT(1, ilevel);
- er.encoded += p - scratch;
- _ASN_CALLBACK(scratch, p - scratch);
- p = scratch;
-
- if(buf == end) {
- int v = *buf;
- int ubits = st->bits_unused;
- int i;
- for(i = 7; i >= ubits; i--)
- *p++ = (v & (1 << i)) ? 0x31 : 0x30;
- er.encoded += p - scratch;
- _ASN_CALLBACK(scratch, p - scratch);
- }
-
- if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel - 1);
-
- _ASN_ENCODED_OK(er);
-cb_failed:
- _ASN_ENCODE_FAILED;
-}
-
-
-/*
- * BIT STRING specific contents printer.
- */
-int
-BIT_STRING_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
- asn_app_consume_bytes_f *cb, void *app_key) {
- static const char *h2c = "0123456789ABCDEF";
- char scratch[64];
- const BIT_STRING_t *st = (const BIT_STRING_t *)sptr;
- uint8_t *buf;
- uint8_t *end;
- char *p = scratch;
-
- (void)td; /* Unused argument */
-
- if(!st || !st->buf)
- return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
-
- ilevel++;
- buf = st->buf;
- end = buf + st->size;
-
- /*
- * Hexadecimal dump.
- */
- for(; buf < end; buf++) {
- if((buf - st->buf) % 16 == 0 && (st->size > 16)
- && buf != st->buf) {
- _i_INDENT(1);
- /* Dump the string */
- if(cb(scratch, p - scratch, app_key) < 0) return -1;
- p = scratch;
- }
- *p++ = h2c[*buf >> 4];
- *p++ = h2c[*buf & 0x0F];
- *p++ = 0x20;
- }
-
- if(p > scratch) {
- p--; /* Eat the tailing space */
-
- if((st->size > 16)) {
- _i_INDENT(1);
- }
-
- /* Dump the incomplete 16-bytes row */
- if(cb(scratch, p - scratch, app_key) < 0)
- return -1;
- }
-
- return 0;
-}
-