]> git.stg.codes - stg.git/blobdiff - libs/smux/constr_SEQUENCE_OF.c
Merge remote-tracking branch 'github/master'
[stg.git] / libs / smux / constr_SEQUENCE_OF.c
index aa101176d649ee2b26e3616e88197d9488991bb2..2fdc38f2a5cbf2f89208e39586a0b7a23328ea5d 100644 (file)
  * 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);
+SEQUENCE_OF_encode_der(const asn_TYPE_descriptor_t *td, const 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;
+       const asn_anonymous_sequence_ *list = _A_CSEQUENCE_FROM_VOID(ptr);
        size_t computed_size = 0;
        ssize_t encoding_size = 0;
        asn_enc_rval_t erval;
@@ -29,7 +29,7 @@ SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
        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,
+               erval = elm->type->op->der_encoder(elm->type, memb_ptr,
                        0, elm->tag,
                        0, 0);
                if(erval.encoded == -1)
@@ -52,7 +52,7 @@ SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
        computed_size += encoding_size;
        if(!cb) {
                erval.encoded = computed_size;
-               _ASN_ENCODED_OK(erval);
+               ASN__ENCODED_OK(erval);
        }
 
        ASN_DEBUG("Encoding members of SEQUENCE OF %s", td->name);
@@ -63,7 +63,7 @@ SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
        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,
+               erval = elm->type->op->der_encoder(elm->type, memb_ptr,
                        0, elm->tag,
                        cb, app_key);
                if(erval.encoded == -1)
@@ -88,121 +88,197 @@ SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
 }
 
 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;
+SEQUENCE_OF_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr,
+                       int ilevel, enum xer_encoder_flags_e flags,
+                       asn_app_consume_bytes_f *cb, void *app_key) {
+    asn_enc_rval_t er;
+    const asn_SET_OF_specifics_t *specs = (const asn_SET_OF_specifics_t *)td->specifics;
+    const asn_TYPE_member_t *elm = td->elements;
+    const asn_anonymous_sequence_ *list = _A_CSEQUENCE_FROM_VOID(sptr);
+    const char *mname = specs->as_XMLValueList
+                            ? 0
+                            : ((*elm->name) ? elm->name : elm->type->xml_tag);
+    size_t mlen = mname ? strlen(mname) : 0;
+    int xcan = (flags & XER_F_CANONICAL);
+    int i;
 
-               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(!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) ASN__TEXT_INDENT(1, ilevel);
+            ASN__CALLBACK3("<", 1, mname, mlen, ">", 1);
+        }
+
+        tmper = elm->type->op->xer_encoder(elm->type, memb_ptr, ilevel + 1,
+                                           flags, cb, app_key);
+        if(tmper.encoded == -1) return tmper;
+        er.encoded += tmper.encoded;
+        if(tmper.encoded == 0 && specs->as_XMLValueList) {
+            const char *name = elm->type->xml_tag;
+            size_t len = strlen(name);
+            if(!xcan) ASN__TEXT_INDENT(1, ilevel + 1);
+            ASN__CALLBACK3("<", 1, name, len, "/>", 2);
+        }
 
-       if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel - 1);
+        if(mname) {
+            ASN__CALLBACK3("</", 2, mname, mlen, ">", 1);
+        }
+    }
 
-       _ASN_ENCODED_OK(er);
+    if(!xcan) ASN__TEXT_INDENT(1, ilevel - 1);
+
+    ASN__ENCODED_OK(er);
 cb_failed:
-       _ASN_ENCODE_FAILED;
+    ASN__ENCODE_FAILED;
 }
 
+#ifndef ASN_DISABLE_PER_SUPPORT
+
 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;
+SEQUENCE_OF_encode_uper(const asn_TYPE_descriptor_t *td,
+                        const asn_per_constraints_t *constraints,
+                        const void *sptr, asn_per_outp_t *po) {
+    const asn_anonymous_sequence_ *list;
+       const asn_per_constraint_t *ct;
        asn_enc_rval_t er;
-       asn_TYPE_member_t *elm = td->elements;
-       int seq;
+       const asn_TYPE_member_t *elm = td->elements;
+       size_t encoded_edx;
 
-       if(!sptr) _ASN_ENCODE_FAILED;
-       list = _A_SEQUENCE_FROM_VOID(sptr);
+       if(!sptr) ASN__ENCODE_FAILED;
+    list = _A_CSEQUENCE_FROM_VOID(sptr);
 
-       er.encoded = 0;
+    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(constraints) ct = &constraints->size;
+    else if(td->encoding_constraints.per_constraints)
+        ct = &td->encoding_constraints.per_constraints->size;
+    else ct = 0;
 
-       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;
-       }
+    /* 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;
+        }
 
-       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;
-               }
-       }
+    }
+
+    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;
+    } else if(list->count == 0) {
+        /* When the list is empty add only the length determinant
+         * X.691, #20.6 and #11.9.4.1
+         */
+        if (uper_put_length(po, 0, 0)) {
+            ASN__ENCODE_FAILED;
+        }
+        ASN__ENCODED_OK(er);
+    }
+
+    for(encoded_edx = 0; (ssize_t)encoded_edx < list->count;) {
+        ssize_t may_encode;
+        size_t edx;
+        int need_eom = 0;
 
-       _ASN_ENCODED_OK(er);
+        if(ct && ct->effective_bits >= 0) {
+            may_encode = list->count;
+        } else {
+            may_encode =
+                uper_put_length(po, list->count - encoded_edx, &need_eom);
+            if(may_encode < 0) ASN__ENCODE_FAILED;
+        }
+
+        for(edx = encoded_edx; edx < encoded_edx + may_encode; edx++) {
+            void *memb_ptr = list->array[edx];
+            if(!memb_ptr) ASN__ENCODE_FAILED;
+            er = elm->type->op->uper_encoder(
+                elm->type, elm->encoding_constraints.per_constraints, memb_ptr,
+                po);
+            if(er.encoded == -1) ASN__ENCODE_FAILED;
+        }
+
+        if(need_eom && uper_put_length(po, 0, 0))
+            ASN__ENCODE_FAILED; /* End of Message length */
+
+        encoded_edx += may_encode;
+    }
+
+       ASN__ENCODED_OK(er);
 }
 
+#endif  /* ASN_DISABLE_PER_SUPPORT */
+
+int
+SEQUENCE_OF_compare(const asn_TYPE_descriptor_t *td, const void *aptr,
+               const void *bptr) {
+    const asn_anonymous_sequence_ *a = _A_CSEQUENCE_FROM_VOID(aptr);
+    const asn_anonymous_sequence_ *b = _A_CSEQUENCE_FROM_VOID(bptr);
+    ssize_t idx;
+
+    if(a && b) {
+        ssize_t common_length = (a->count < b->count ? a->count : b->count);
+        for(idx = 0; idx < common_length; idx++) {
+            int ret = td->elements->type->op->compare_struct(
+                td->elements->type, a->array[idx], b->array[idx]);
+            if(ret) return ret;
+        }
+
+        if(idx < b->count) /* more elements in b */
+            return -1;    /* a is shorter, so put it first */
+        if(idx < a->count) return 1;
+
+    } else if(!a) {
+        return -1;
+    } else if(!b) {
+        return 1;
+    }
+
+    return 0;
+}
+
+
+asn_TYPE_operation_t asn_OP_SEQUENCE_OF = {
+       SEQUENCE_OF_free,
+       SEQUENCE_OF_print,
+       SEQUENCE_OF_compare,
+       SEQUENCE_OF_decode_ber,
+       SEQUENCE_OF_encode_der,
+       SEQUENCE_OF_decode_xer,
+       SEQUENCE_OF_encode_xer,
+#ifdef ASN_DISABLE_OER_SUPPORT
+       0,
+       0,
+#else
+       SEQUENCE_OF_decode_oer, /* Same as SET OF decoder. */
+       SEQUENCE_OF_encode_oer, /* Same as SET OF encoder */
+#endif  /* ASN_DISABLE_OER_SUPPORT */
+#ifdef ASN_DISABLE_PER_SUPPORT
+       0,
+       0,
+#else
+       SEQUENCE_OF_decode_uper, /* Same as SET OF decoder */
+       SEQUENCE_OF_encode_uper,
+#endif /* ASN_DISABLE_PER_SUPPORT */
+       SEQUENCE_OF_random_fill,
+       0       /* Use generic outmost tag fetcher */
+};
+