--- /dev/null
+/*-
+ * Copyright (c) 2003, 2004, 2006 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <constr_SEQUENCE_OF.h>
+#include <asn_SEQUENCE_OF.h>
+
+/*
+ * The DER encoder of the SEQUENCE OF type.
+ */
+asn_enc_rval_t
+SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
+ int tag_mode, ber_tlv_tag_t tag,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ asn_TYPE_member_t *elm = td->elements;
+ asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(ptr);
+ size_t computed_size = 0;
+ ssize_t encoding_size = 0;
+ asn_enc_rval_t erval;
+ int edx;
+
+ ASN_DEBUG("Estimating size of SEQUENCE OF %s", td->name);
+
+ /*
+ * Gather the length of the underlying members sequence.
+ */
+ for(edx = 0; edx < list->count; edx++) {
+ void *memb_ptr = list->array[edx];
+ if(!memb_ptr) continue;
+ erval = elm->type->der_encoder(elm->type, memb_ptr,
+ 0, elm->tag,
+ 0, 0);
+ if(erval.encoded == -1)
+ return erval;
+ computed_size += erval.encoded;
+ }
+
+ /*
+ * Encode the TLV for the sequence itself.
+ */
+ encoding_size = der_write_tags(td, computed_size, tag_mode, 1, tag,
+ cb, app_key);
+ if(encoding_size == -1) {
+ erval.encoded = -1;
+ erval.failed_type = td;
+ erval.structure_ptr = ptr;
+ return erval;
+ }
+
+ computed_size += encoding_size;
+ if(!cb) {
+ erval.encoded = computed_size;
+ _ASN_ENCODED_OK(erval);
+ }
+
+ ASN_DEBUG("Encoding members of SEQUENCE OF %s", td->name);
+
+ /*
+ * Encode all members.
+ */
+ for(edx = 0; edx < list->count; edx++) {
+ void *memb_ptr = list->array[edx];
+ if(!memb_ptr) continue;
+ erval = elm->type->der_encoder(elm->type, memb_ptr,
+ 0, elm->tag,
+ cb, app_key);
+ if(erval.encoded == -1)
+ return erval;
+ encoding_size += erval.encoded;
+ }
+
+ if(computed_size != (size_t)encoding_size) {
+ /*
+ * Encoded size is not equal to the computed size.
+ */
+ erval.encoded = -1;
+ erval.failed_type = td;
+ erval.structure_ptr = ptr;
+ } else {
+ erval.encoded = computed_size;
+ erval.structure_ptr = 0;
+ erval.failed_type = 0;
+ }
+
+ return erval;
+}
+
+asn_enc_rval_t
+SEQUENCE_OF_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;
+ asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
+ asn_TYPE_member_t *elm = td->elements;
+ asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(sptr);
+ const char *mname = specs->as_XMLValueList
+ ? 0 : ((*elm->name) ? elm->name : elm->type->xml_tag);
+ unsigned int mlen = mname ? strlen(mname) : 0;
+ int xcan = (flags & XER_F_CANONICAL);
+ int i;
+
+ if(!sptr) _ASN_ENCODE_FAILED;
+
+ er.encoded = 0;
+
+ for(i = 0; i < list->count; i++) {
+ asn_enc_rval_t tmper;
+ void *memb_ptr = list->array[i];
+ if(!memb_ptr) continue;
+
+ if(mname) {
+ if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel);
+ _ASN_CALLBACK3("<", 1, mname, mlen, ">", 1);
+ }
+
+ tmper = elm->type->xer_encoder(elm->type, memb_ptr,
+ ilevel + 1, flags, cb, app_key);
+ if(tmper.encoded == -1) return tmper;
+ if(tmper.encoded == 0 && specs->as_XMLValueList) {
+ const char *name = elm->type->xml_tag;
+ size_t len = strlen(name);
+ if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel + 1);
+ _ASN_CALLBACK3("<", 1, name, len, "/>", 2);
+ }
+
+ if(mname) {
+ _ASN_CALLBACK3("</", 2, mname, mlen, ">", 1);
+ er.encoded += 5;
+ }
+
+ er.encoded += (2 * mlen) + tmper.encoded;
+ }
+
+ if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel - 1);
+
+ _ASN_ENCODED_OK(er);
+cb_failed:
+ _ASN_ENCODE_FAILED;
+}
+
+asn_enc_rval_t
+SEQUENCE_OF_encode_uper(asn_TYPE_descriptor_t *td,
+ asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
+ asn_anonymous_sequence_ *list;
+ asn_per_constraint_t *ct;
+ asn_enc_rval_t er;
+ asn_TYPE_member_t *elm = td->elements;
+ int seq;
+
+ if(!sptr) _ASN_ENCODE_FAILED;
+ list = _A_SEQUENCE_FROM_VOID(sptr);
+
+ er.encoded = 0;
+
+ ASN_DEBUG("Encoding %s as SEQUENCE OF (%d)", td->name, list->count);
+
+ if(constraints) ct = &constraints->size;
+ else if(td->per_constraints) ct = &td->per_constraints->size;
+ else ct = 0;
+
+ /* If extensible constraint, check if size is in root */
+ if(ct) {
+ int not_in_root = (list->count < ct->lower_bound
+ || list->count > ct->upper_bound);
+ ASN_DEBUG("lb %ld ub %ld %s",
+ ct->lower_bound, ct->upper_bound,
+ ct->flags & APC_EXTENSIBLE ? "ext" : "fix");
+ if(ct->flags & APC_EXTENSIBLE) {
+ /* Declare whether size is in extension root */
+ if(per_put_few_bits(po, not_in_root, 1))
+ _ASN_ENCODE_FAILED;
+ if(not_in_root) ct = 0;
+ } else if(not_in_root && ct->effective_bits >= 0)
+ _ASN_ENCODE_FAILED;
+ }
+
+ if(ct && ct->effective_bits >= 0) {
+ /* X.691, #19.5: No length determinant */
+ if(per_put_few_bits(po, list->count - ct->lower_bound,
+ ct->effective_bits))
+ _ASN_ENCODE_FAILED;
+ }
+
+ for(seq = -1; seq < list->count;) {
+ ssize_t mayEncode;
+ if(seq < 0) seq = 0;
+ if(ct && ct->effective_bits >= 0) {
+ mayEncode = list->count;
+ } else {
+ mayEncode = uper_put_length(po, list->count - seq);
+ if(mayEncode < 0) _ASN_ENCODE_FAILED;
+ }
+
+ while(mayEncode--) {
+ void *memb_ptr = list->array[seq++];
+ if(!memb_ptr) _ASN_ENCODE_FAILED;
+ er = elm->type->uper_encoder(elm->type,
+ elm->per_constraints, memb_ptr, po);
+ if(er.encoded == -1)
+ _ASN_ENCODE_FAILED;
+ }
+ }
+
+ _ASN_ENCODED_OK(er);
+}
+
git.stg.codes / stg.git / blobdiff