2 * Copyright (c) 2003, 2004, 2006 Lev Walkin <vlm@lionet.info>.
4 * Redistribution and modifications are permitted subject to BSD license.
6 #include <asn_internal.h>
7 #include <constr_SEQUENCE_OF.h>
8 #include <asn_SEQUENCE_OF.h>
11 * The DER encoder of the SEQUENCE OF type.
14 SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
15 int tag_mode, ber_tlv_tag_t tag,
16 asn_app_consume_bytes_f *cb, void *app_key) {
17 asn_TYPE_member_t *elm = td->elements;
18 asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(ptr);
19 size_t computed_size = 0;
20 ssize_t encoding_size = 0;
24 ASN_DEBUG("Estimating size of SEQUENCE OF %s", td->name);
27 * Gather the length of the underlying members sequence.
29 for(edx = 0; edx < list->count; edx++) {
30 void *memb_ptr = list->array[edx];
31 if(!memb_ptr) continue;
32 erval = elm->type->der_encoder(elm->type, memb_ptr,
35 if(erval.encoded == -1)
37 computed_size += erval.encoded;
41 * Encode the TLV for the sequence itself.
43 encoding_size = der_write_tags(td, computed_size, tag_mode, 1, tag,
45 if(encoding_size == -1) {
47 erval.failed_type = td;
48 erval.structure_ptr = ptr;
52 computed_size += encoding_size;
54 erval.encoded = computed_size;
55 _ASN_ENCODED_OK(erval);
58 ASN_DEBUG("Encoding members of SEQUENCE OF %s", td->name);
63 for(edx = 0; edx < list->count; edx++) {
64 void *memb_ptr = list->array[edx];
65 if(!memb_ptr) continue;
66 erval = elm->type->der_encoder(elm->type, memb_ptr,
69 if(erval.encoded == -1)
71 encoding_size += erval.encoded;
74 if(computed_size != (size_t)encoding_size) {
76 * Encoded size is not equal to the computed size.
79 erval.failed_type = td;
80 erval.structure_ptr = ptr;
82 erval.encoded = computed_size;
83 erval.structure_ptr = 0;
84 erval.failed_type = 0;
91 SEQUENCE_OF_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
92 int ilevel, enum xer_encoder_flags_e flags,
93 asn_app_consume_bytes_f *cb, void *app_key) {
95 asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
96 asn_TYPE_member_t *elm = td->elements;
97 asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(sptr);
98 const char *mname = specs->as_XMLValueList
99 ? 0 : ((*elm->name) ? elm->name : elm->type->xml_tag);
100 unsigned int mlen = mname ? strlen(mname) : 0;
101 int xcan = (flags & XER_F_CANONICAL);
104 if(!sptr) _ASN_ENCODE_FAILED;
108 for(i = 0; i < list->count; i++) {
109 asn_enc_rval_t tmper;
110 void *memb_ptr = list->array[i];
111 if(!memb_ptr) continue;
114 if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel);
115 _ASN_CALLBACK3("<", 1, mname, mlen, ">", 1);
118 tmper = elm->type->xer_encoder(elm->type, memb_ptr,
119 ilevel + 1, flags, cb, app_key);
120 if(tmper.encoded == -1) return tmper;
121 if(tmper.encoded == 0 && specs->as_XMLValueList) {
122 const char *name = elm->type->xml_tag;
123 size_t len = strlen(name);
124 if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel + 1);
125 _ASN_CALLBACK3("<", 1, name, len, "/>", 2);
129 _ASN_CALLBACK3("</", 2, mname, mlen, ">", 1);
133 er.encoded += (2 * mlen) + tmper.encoded;
136 if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel - 1);
144 SEQUENCE_OF_encode_uper(asn_TYPE_descriptor_t *td,
145 asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
146 asn_anonymous_sequence_ *list;
147 asn_per_constraint_t *ct;
149 asn_TYPE_member_t *elm = td->elements;
152 if(!sptr) _ASN_ENCODE_FAILED;
153 list = _A_SEQUENCE_FROM_VOID(sptr);
157 ASN_DEBUG("Encoding %s as SEQUENCE OF (%d)", td->name, list->count);
159 if(constraints) ct = &constraints->size;
160 else if(td->per_constraints) ct = &td->per_constraints->size;
163 /* If extensible constraint, check if size is in root */
165 int not_in_root = (list->count < ct->lower_bound
166 || list->count > ct->upper_bound);
167 ASN_DEBUG("lb %ld ub %ld %s",
168 ct->lower_bound, ct->upper_bound,
169 ct->flags & APC_EXTENSIBLE ? "ext" : "fix");
170 if(ct->flags & APC_EXTENSIBLE) {
171 /* Declare whether size is in extension root */
172 if(per_put_few_bits(po, not_in_root, 1))
174 if(not_in_root) ct = 0;
175 } else if(not_in_root && ct->effective_bits >= 0)
179 if(ct && ct->effective_bits >= 0) {
180 /* X.691, #19.5: No length determinant */
181 if(per_put_few_bits(po, list->count - ct->lower_bound,
186 for(seq = -1; seq < list->count;) {
189 if(ct && ct->effective_bits >= 0) {
190 mayEncode = list->count;
192 mayEncode = uper_put_length(po, list->count - seq);
193 if(mayEncode < 0) _ASN_ENCODE_FAILED;
197 void *memb_ptr = list->array[seq++];
198 if(!memb_ptr) _ASN_ENCODE_FAILED;
199 er = elm->type->uper_encoder(elm->type,
200 elm->per_constraints, memb_ptr, po);