]> git.stg.codes - stg.git/blobdiff - libs/smux/constr_CHOICE.c
More std::jthread
[stg.git] / libs / smux / constr_CHOICE.c
index a20a0505dd11692897e638dd8aaac1b394725a16..6116e6a6b0b47d989300d409c63a4241c0d10ff4 100644 (file)
@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2003, 2004, 2005, 2006 Lev Walkin <vlm@lionet.info>.
+ * Copyright (c) 2003, 2004, 2005, 2006, 2007 Lev Walkin <vlm@lionet.info>.
  * All rights reserved.
  * Redistribution and modifications are permitted subject to BSD license.
  */
 #include <asn_internal.h>
 #include <constr_CHOICE.h>
+#include <per_opentype.h>
 
 /*
  * Number of bytes left for this structure.
@@ -182,11 +183,11 @@ CHOICE_decode_ber(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
                }
 
                do {
-                       asn_TYPE_tag2member_t *t2m;
+                       const asn_TYPE_tag2member_t *t2m;
                        asn_TYPE_tag2member_t key;
 
                        key.el_tag = tlv_tag;
-                       t2m = (asn_TYPE_tag2member_t *)bsearch(&key,
+                       t2m = (const asn_TYPE_tag2member_t *)bsearch(&key,
                                        specs->tag2el, specs->tag2el_count,
                                        sizeof(specs->tag2el[0]), _search4tag);
                        if(t2m) {
@@ -363,7 +364,7 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr,
        size_t computed_size = 0;
        int present;
 
-       if(!sptr) _ASN_ENCODE_FAILED;
+       if(!sptr) ASN__ENCODE_FAILED;
 
        ASN_DEBUG("%s %s as CHOICE",
                cb?"Encoding":"Estimating", td->name);
@@ -379,9 +380,9 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr,
                if(present == 0 && td->elements_count == 0) {
                        /* The CHOICE is empty?! */
                        erval.encoded = 0;
-                       _ASN_ENCODED_OK(erval);
+                       ASN__ENCODED_OK(erval);
                }
-               _ASN_ENCODE_FAILED;
+               ASN__ENCODE_FAILED;
        }
 
        /*
@@ -393,10 +394,10 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr,
                if(memb_ptr == 0) {
                        if(elm->optional) {
                                erval.encoded = 0;
-                               _ASN_ENCODED_OK(erval);
+                               ASN__ENCODED_OK(erval);
                        }
                        /* Mandatory element absent */
-                       _ASN_ENCODE_FAILED;
+                       ASN__ENCODE_FAILED;
                }
        } else {
                memb_ptr = (void *)((char *)sptr + elm->memb_offset);
@@ -423,7 +424,7 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr,
                ret = der_write_tags(td, erval.encoded, tag_mode, 1, tag,
                        cb, app_key);
                if(ret == -1)
-                       _ASN_ENCODE_FAILED;
+                       ASN__ENCODE_FAILED;
                computed_size += ret;
        }
 
@@ -444,7 +445,7 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr,
 }
 
 ber_tlv_tag_t
-CHOICE_outmost_tag(asn_TYPE_descriptor_t *td, const void *ptr, int tag_mode, ber_tlv_tag_t tag) {
+CHOICE_outmost_tag(const asn_TYPE_descriptor_t *td, const void *ptr, int tag_mode, ber_tlv_tag_t tag) {
        asn_CHOICE_specifics_t *specs = (asn_CHOICE_specifics_t *)td->specifics;
        int present;
 
@@ -457,7 +458,7 @@ CHOICE_outmost_tag(asn_TYPE_descriptor_t *td, const void *ptr, int tag_mode, ber
        present = _fetch_present_idx(ptr, specs->pres_offset, specs->pres_size);
 
        if(present > 0 || present <= td->elements_count) {
-               asn_TYPE_member_t *elm = &td->elements[present-1];
+               const asn_TYPE_member_t *elm = &td->elements[present-1];
                const void *memb_ptr;
 
                if(elm->flags & ATF_POINTER) {
@@ -482,7 +483,7 @@ CHOICE_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
        int present;
 
        if(!sptr) {
-               _ASN_CTFAIL(app_key, td,
+               ASN__CTFAIL(app_key, td, sptr,
                        "%s: value not given (%s:%d)",
                        td->name, __FILE__, __LINE__);
                return -1;
@@ -501,7 +502,7 @@ CHOICE_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
                        if(!memb_ptr) {
                                if(elm->optional)
                                        return 0;
-                               _ASN_CTFAIL(app_key, td,
+                               ASN__CTFAIL(app_key, td, sptr,
                                        "%s: mandatory CHOICE element %s absent (%s:%d)",
                                        td->name, elm->name, __FILE__, __LINE__);
                                return -1;
@@ -524,7 +525,7 @@ CHOICE_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
                        return ret;
                }
        } else {
-               _ASN_CTFAIL(app_key, td,
+               ASN__CTFAIL(app_key, td, sptr,
                        "%s: no CHOICE element given (%s:%d)",
                        td->name, __FILE__, __LINE__);
                return -1;
@@ -534,7 +535,7 @@ CHOICE_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
 #undef XER_ADVANCE
 #define        XER_ADVANCE(num_bytes)  do {                    \
                size_t num = num_bytes;                 \
-               buf_ptr = ((const char *)buf_ptr) + num;\
+               buf_ptr = (const void *)(((const char *)buf_ptr) + num); \
                size -= num;                            \
                consumed_myself += num;                 \
        } while(0)
@@ -639,11 +640,12 @@ CHOICE_decode_xer(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
                 * Get the next part of the XML stream.
                 */
                ch_size = xer_next_token(&ctx->context, buf_ptr, size, &ch_type);
-               switch(ch_size) {
-               case -1: RETURN(RC_FAIL);
-               case 0:  RETURN(RC_WMORE);
-               default:
+               if(ch_size == -1) {
+            RETURN(RC_FAIL);
+        } else {
                        switch(ch_type) {
+                       case PXER_WMORE:
+                RETURN(RC_WMORE);
                        case PXER_COMMENT:      /* Got XML comment */
                        case PXER_TEXT:         /* Ignore free-standing text */
                                XER_ADVANCE(ch_size);   /* Skip silently */
@@ -779,7 +781,7 @@ CHOICE_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
        int present;
 
        if(!sptr)
-               _ASN_ENCODE_FAILED;
+               ASN__ENCODE_FAILED;
 
        /*
         * Figure out which CHOICE element is encoded.
@@ -787,7 +789,7 @@ CHOICE_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
        present = _fetch_present_idx(sptr, specs->pres_offset,specs->pres_size);
 
        if(present <= 0 || present > td->elements_count) {
-               _ASN_ENCODE_FAILED;
+               ASN__ENCODE_FAILED;
        }  else {
                asn_enc_rval_t tmper;
                asn_TYPE_member_t *elm = &td->elements[present-1];
@@ -797,30 +799,30 @@ CHOICE_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
 
                if(elm->flags & ATF_POINTER) {
                        memb_ptr = *(void **)((char *)sptr + elm->memb_offset);
-                       if(!memb_ptr) _ASN_ENCODE_FAILED;
+                       if(!memb_ptr) ASN__ENCODE_FAILED;
                } else {
                        memb_ptr = (void *)((char *)sptr + elm->memb_offset);
                }
 
                er.encoded = 0;
 
-                if(!(flags & XER_F_CANONICAL)) _i_ASN_TEXT_INDENT(1, ilevel);
-               _ASN_CALLBACK3("<", 1, mname, mlen, ">", 1);
+                if(!(flags & XER_F_CANONICAL)) 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;
 
-               _ASN_CALLBACK3("</", 2, mname, mlen, ">", 1);
+               ASN__CALLBACK3("</", 2, mname, mlen, ">", 1);
 
                er.encoded += 5 + (2 * mlen) + tmper.encoded;
        }
 
-       if(!(flags & XER_F_CANONICAL)) _i_ASN_TEXT_INDENT(1, ilevel - 1);
+       if(!(flags & XER_F_CANONICAL)) ASN__TEXT_INDENT(1, ilevel - 1);
 
-       _ASN_ENCODED_OK(er);
+       ASN__ENCODED_OK(er);
 cb_failed:
-       _ASN_ENCODE_FAILED;
+       ASN__ENCODE_FAILED;
 }
 
 asn_dec_rval_t
@@ -835,15 +837,15 @@ CHOICE_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
        void *st = *sptr;
        int value;
 
-       if(_ASN_STACK_OVERFLOW_CHECK(opt_codec_ctx))
-               _ASN_DECODE_FAILED;
+       if(ASN__STACK_OVERFLOW_CHECK(opt_codec_ctx))
+               ASN__DECODE_FAILED;
 
        /*
         * Create the target structure if it is not present already.
         */
        if(!st) {
                st = *sptr = CALLOC(1, specs->struct_size);
-               if(!st) _ASN_DECODE_FAILED;
+               if(!st) ASN__DECODE_FAILED;
        }
 
        if(constraints) ct = &constraints->value;
@@ -852,27 +854,25 @@ CHOICE_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
 
        if(ct && ct->flags & APC_EXTENSIBLE) {
                value = per_get_few_bits(pd, 1);
-               if(value < 0) _ASN_DECODE_STARVED;
+               if(value < 0) ASN__DECODE_STARVED;
                if(value) ct = 0;       /* Not restricted */
        }
 
        if(ct && ct->range_bits >= 0) {
                value = per_get_few_bits(pd, ct->range_bits);
-               if(value < 0) _ASN_DECODE_STARVED;
+               if(value < 0) ASN__DECODE_STARVED;
                ASN_DEBUG("CHOICE %s got index %d in range %d",
                        td->name, value, ct->range_bits);
                if(value > ct->upper_bound)
-                       _ASN_DECODE_FAILED;
+                       ASN__DECODE_FAILED;
        } else {
                if(specs->ext_start == -1)
-                       _ASN_DECODE_FAILED;
+                       ASN__DECODE_FAILED;
                value = uper_get_nsnnwn(pd);
-               if(value < 0) _ASN_DECODE_STARVED;
+               if(value < 0) ASN__DECODE_STARVED;
                value += specs->ext_start;
                if(value >= td->elements_count)
-                       _ASN_DECODE_FAILED;
-               ASN_DEBUG("NOT IMPLEMENTED YET");
-               _ASN_DECODE_FAILED;
+                       ASN__DECODE_FAILED;
        }
 
        /* Adjust if canonical order is different from natural order */
@@ -892,11 +892,17 @@ CHOICE_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
        }
        ASN_DEBUG("Discovered CHOICE %s encodes %s", td->name, elm->name);
 
-       rv = elm->type->uper_decoder(opt_codec_ctx, elm->type,
+       if(ct && ct->range_bits >= 0) {
+               rv = elm->type->uper_decoder(opt_codec_ctx, elm->type,
+                       elm->per_constraints, memb_ptr2, pd);
+       } else {
+               rv = uper_open_type_get(opt_codec_ctx, elm->type,
                        elm->per_constraints, memb_ptr2, pd);
+       }
+
        if(rv.code != RC_OK)
-               ASN_DEBUG("Failed to decode %s in %s (CHOICE)",
-                       elm->name, td->name);
+               ASN_DEBUG("Failed to decode %s in %s (CHOICE) %d",
+                       elm->name, td->name, rv.code);
        return rv;
 }
    
@@ -908,8 +914,9 @@ CHOICE_encode_uper(asn_TYPE_descriptor_t *td,
        asn_per_constraint_t *ct;
        void *memb_ptr;
        int present;
+       int present_enc;
 
-       if(!sptr) _ASN_ENCODE_FAILED;
+       if(!sptr) ASN__ENCODE_FAILED;
 
        ASN_DEBUG("Encoding %s as CHOICE", td->name);
 
@@ -925,55 +932,61 @@ CHOICE_encode_uper(asn_TYPE_descriptor_t *td,
         * can't deduce what to encode in the choice type.
         */
        if(present <= 0 || present > td->elements_count)
-               _ASN_ENCODE_FAILED;
+               ASN__ENCODE_FAILED;
        else
                present--;
 
+       ASN_DEBUG("Encoding %s CHOICE element %d", td->name, present);
+
        /* Adjust if canonical order is different from natural order */
        if(specs->canonical_order)
-               present = specs->canonical_order[present];
-
-       ASN_DEBUG("Encoding %s CHOICE element %d", td->name, present);
+               present_enc = specs->canonical_order[present];
+       else
+               present_enc = present;
 
        if(ct && ct->range_bits >= 0) {
-               if(present < ct->lower_bound
-               || present > ct->upper_bound) {
+               if(present_enc < ct->lower_bound
+               || present_enc > ct->upper_bound) {
                        if(ct->flags & APC_EXTENSIBLE) {
                                if(per_put_few_bits(po, 1, 1))
-                                       _ASN_ENCODE_FAILED;
+                                       ASN__ENCODE_FAILED;
                        } else {
-                               _ASN_ENCODE_FAILED;
+                               ASN__ENCODE_FAILED;
                        }
                        ct = 0;
                }
        }
        if(ct && ct->flags & APC_EXTENSIBLE)
                if(per_put_few_bits(po, 0, 1))
-                       _ASN_ENCODE_FAILED;
-
-       if(ct && ct->range_bits >= 0) {
-               if(per_put_few_bits(po, present, ct->range_bits))
-                       _ASN_ENCODE_FAILED;
-       } else {
-               if(specs->ext_start == -1)
-                       _ASN_ENCODE_FAILED;
-               if(uper_put_nsnnwn(po, present - specs->ext_start))
-                       _ASN_ENCODE_FAILED;
-               ASN_DEBUG("NOT IMPLEMENTED YET");
-               _ASN_ENCODE_FAILED;
-       }
+                       ASN__ENCODE_FAILED;
 
        elm = &td->elements[present];
        if(elm->flags & ATF_POINTER) {
                /* Member is a pointer to another structure */
                memb_ptr = *(void **)((char *)sptr + elm->memb_offset);
-               if(!memb_ptr) _ASN_ENCODE_FAILED;
+               if(!memb_ptr) ASN__ENCODE_FAILED;
        } else {
                memb_ptr = (char *)sptr + elm->memb_offset;
        }
 
-       return elm->type->uper_encoder(elm->type, elm->per_constraints,
+       if(ct && ct->range_bits >= 0) {
+               if(per_put_few_bits(po, present_enc, ct->range_bits))
+                       ASN__ENCODE_FAILED;
+
+               return elm->type->uper_encoder(elm->type, elm->per_constraints,
                        memb_ptr, po);
+       } else {
+               asn_enc_rval_t rval;
+               if(specs->ext_start == -1)
+                       ASN__ENCODE_FAILED;
+               if(uper_put_nsnnwn(po, present_enc - specs->ext_start))
+                       ASN__ENCODE_FAILED;
+               if(uper_open_type_put(elm->type, elm->per_constraints,
+                       memb_ptr, po))
+                       ASN__ENCODE_FAILED;
+               rval.encoded = 0;
+               ASN__ENCODED_OK(rval);
+       }
 }
    
 
@@ -1020,7 +1033,7 @@ CHOICE_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
 
 void
 CHOICE_free(asn_TYPE_descriptor_t *td, void *ptr, int contents_only) {
-       asn_CHOICE_specifics_t *specs = td ? (asn_CHOICE_specifics_t *)td->specifics : NULL;
+       asn_CHOICE_specifics_t *specs = (asn_CHOICE_specifics_t *)td->specifics;
        int present;
 
        if(!td || !ptr)