+++ /dev/null
-/*-
- * Copyright (c) 2003, 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
- * Redistribution and modifications are permitted subject to BSD license.
- */
-#include <asn_internal.h>
-#include <asn_codecs_prim.h>
-#include <BOOLEAN.h>
-
-/*
- * BOOLEAN basic type description.
- */
-static const ber_tlv_tag_t asn_DEF_BOOLEAN_tags[] = {
- (ASN_TAG_CLASS_UNIVERSAL | (1 << 2))
-};
-asn_TYPE_descriptor_t asn_DEF_BOOLEAN = {
- "BOOLEAN",
- "BOOLEAN",
- BOOLEAN_free,
- BOOLEAN_print,
- asn_generic_no_constraint,
- BOOLEAN_decode_ber,
- BOOLEAN_encode_der,
- BOOLEAN_decode_xer,
- BOOLEAN_encode_xer,
- BOOLEAN_decode_uper, /* Unaligned PER decoder */
- BOOLEAN_encode_uper, /* Unaligned PER encoder */
- 0, /* Use generic outmost tag fetcher */
- asn_DEF_BOOLEAN_tags,
- sizeof(asn_DEF_BOOLEAN_tags) / sizeof(asn_DEF_BOOLEAN_tags[0]),
- asn_DEF_BOOLEAN_tags, /* Same as above */
- sizeof(asn_DEF_BOOLEAN_tags) / sizeof(asn_DEF_BOOLEAN_tags[0]),
- 0, /* No PER visible constraints */
- 0, 0, /* No members */
- 0 /* No specifics */
-};
-
-/*
- * Decode BOOLEAN type.
- */
-asn_dec_rval_t
-BOOLEAN_decode_ber(asn_codec_ctx_t *opt_codec_ctx,
- asn_TYPE_descriptor_t *td,
- void **bool_value, const void *buf_ptr, size_t size,
- int tag_mode) {
- BOOLEAN_t *st = (BOOLEAN_t *)*bool_value;
- asn_dec_rval_t rval;
- ber_tlv_len_t length;
- ber_tlv_len_t lidx;
-
- if(st == NULL) {
- st = (BOOLEAN_t *)(*bool_value = CALLOC(1, sizeof(*st)));
- if(st == NULL) {
- rval.code = RC_FAIL;
- rval.consumed = 0;
- return rval;
- }
- }
-
- ASN_DEBUG("Decoding %s as BOOLEAN (tm=%d)",
- td->name, tag_mode);
-
- /*
- * Check tags.
- */
- rval = ber_check_tags(opt_codec_ctx, td, 0, buf_ptr, size,
- tag_mode, 0, &length, 0);
- if(rval.code != RC_OK)
- return rval;
-
- ASN_DEBUG("Boolean length is %d bytes", (int)length);
-
- buf_ptr = ((const char *)buf_ptr) + rval.consumed;
- size -= rval.consumed;
- if(length > (ber_tlv_len_t)size) {
- rval.code = RC_WMORE;
- rval.consumed = 0;
- return rval;
- }
-
- /*
- * Compute boolean value.
- */
- for(*st = 0, lidx = 0;
- (lidx < length) && *st == 0; lidx++) {
- /*
- * Very simple approach: read bytes until the end or
- * value is already TRUE.
- * BOOLEAN is not supposed to contain meaningful data anyway.
- */
- *st |= ((const uint8_t *)buf_ptr)[lidx];
- }
-
- rval.code = RC_OK;
- rval.consumed += length;
-
- ASN_DEBUG("Took %ld/%ld bytes to encode %s, value=%d",
- (long)rval.consumed, (long)length,
- td->name, *st);
-
- return rval;
-}
-
-asn_enc_rval_t
-BOOLEAN_encode_der(asn_TYPE_descriptor_t *td, void *sptr,
- int tag_mode, ber_tlv_tag_t tag,
- asn_app_consume_bytes_f *cb, void *app_key) {
- asn_enc_rval_t erval;
- BOOLEAN_t *st = (BOOLEAN_t *)sptr;
-
- erval.encoded = der_write_tags(td, 1, tag_mode, 0, tag, cb, app_key);
- if(erval.encoded == -1) {
- erval.failed_type = td;
- erval.structure_ptr = sptr;
- return erval;
- }
-
- if(cb) {
- uint8_t bool_value;
-
- bool_value = *st ? 0xff : 0; /* 0xff mandated by DER */
-
- if(cb(&bool_value, 1, app_key) < 0) {
- erval.encoded = -1;
- erval.failed_type = td;
- erval.structure_ptr = sptr;
- return erval;
- }
- }
-
- erval.encoded += 1;
-
- ASN__ENCODED_OK(erval);
-}
-
-
-/*
- * Decode the chunk of XML text encoding INTEGER.
- */
-static enum xer_pbd_rval
-BOOLEAN__xer_body_decode(asn_TYPE_descriptor_t *td, void *sptr, const void *chunk_buf, size_t chunk_size) {
- BOOLEAN_t *st = (BOOLEAN_t *)sptr;
- const char *p = (const char *)chunk_buf;
-
- (void)td;
-
- if(chunk_size && p[0] == 0x3c /* '<' */) {
- switch(xer_check_tag(chunk_buf, chunk_size, "false")) {
- case XCT_BOTH:
- /* "<false/>" */
- *st = 0;
- break;
- case XCT_UNKNOWN_BO:
- if(xer_check_tag(chunk_buf, chunk_size, "true")
- != XCT_BOTH)
- return XPBD_BROKEN_ENCODING;
- /* "<true/>" */
- *st = 1; /* Or 0xff as in DER?.. */
- break;
- default:
- return XPBD_BROKEN_ENCODING;
- }
- return XPBD_BODY_CONSUMED;
- } else {
- return XPBD_BROKEN_ENCODING;
- }
-}
-
-
-asn_dec_rval_t
-BOOLEAN_decode_xer(asn_codec_ctx_t *opt_codec_ctx,
- asn_TYPE_descriptor_t *td, void **sptr, const char *opt_mname,
- const void *buf_ptr, size_t size) {
-
- return xer_decode_primitive(opt_codec_ctx, td,
- sptr, sizeof(BOOLEAN_t), opt_mname, buf_ptr, size,
- BOOLEAN__xer_body_decode);
-}
-
-asn_enc_rval_t
-BOOLEAN_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) {
- const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
- asn_enc_rval_t er;
-
- (void)ilevel;
- (void)flags;
-
- if(!st) ASN__ENCODE_FAILED;
-
- if(*st) {
- ASN__CALLBACK("<true/>", 7);
- er.encoded = 7;
- } else {
- ASN__CALLBACK("<false/>", 8);
- er.encoded = 8;
- }
-
- ASN__ENCODED_OK(er);
-cb_failed:
- ASN__ENCODE_FAILED;
-}
-
-int
-BOOLEAN_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
- asn_app_consume_bytes_f *cb, void *app_key) {
- const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
- const char *buf;
- size_t buflen;
-
- (void)td; /* Unused argument */
- (void)ilevel; /* Unused argument */
-
- if(st) {
- if(*st) {
- buf = "TRUE";
- buflen = 4;
- } else {
- buf = "FALSE";
- buflen = 5;
- }
- } else {
- buf = "<absent>";
- buflen = 8;
- }
-
- return (cb(buf, buflen, app_key) < 0) ? -1 : 0;
-}
-
-void
-BOOLEAN_free(asn_TYPE_descriptor_t *td, void *ptr, int contents_only) {
- if(td && ptr && !contents_only) {
- FREEMEM(ptr);
- }
-}
-
-asn_dec_rval_t
-BOOLEAN_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
- asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
- asn_dec_rval_t rv;
- BOOLEAN_t *st = (BOOLEAN_t *)*sptr;
-
- (void)opt_codec_ctx;
- (void)constraints;
-
- if(!st) {
- st = (BOOLEAN_t *)(*sptr = MALLOC(sizeof(*st)));
- if(!st) ASN__DECODE_FAILED;
- }
-
- /*
- * Extract a single bit
- */
- switch(per_get_few_bits(pd, 1)) {
- case 1: *st = 1; break;
- case 0: *st = 0; break;
- case -1: default: ASN__DECODE_STARVED;
- }
-
- ASN_DEBUG("%s decoded as %s", td->name, *st ? "TRUE" : "FALSE");
-
- rv.code = RC_OK;
- rv.consumed = 1;
- return rv;
-}
-
-
-asn_enc_rval_t
-BOOLEAN_encode_uper(asn_TYPE_descriptor_t *td,
- asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
- const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
- asn_enc_rval_t er = { 0, 0, 0 };
-
- (void)constraints;
-
- if(!st) ASN__ENCODE_FAILED;
-
- if(per_put_few_bits(po, *st ? 1 : 0, 1))
- ASN__ENCODE_FAILED;
-
- ASN__ENCODED_OK(er);
-}
git.stg.codes / stg.git / blobdiff