SIM-115: update simulator to use latest E2SM KPM version 3

[sim/e2-interface.git] / e2sim / asn1c / constr_CHOICE_jer.c

diff --git a/e2sim/asn1c/constr_CHOICE_jer.c b/e2sim/asn1c/constr_CHOICE_jer.c
new file mode 100644 (file)
index 0000000..22d5090
--- /dev/null
+++ b/e2sim/asn1c/constr_CHOICE_jer.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2017 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>
+
+/*
+ * Return a standardized complex structure.
+ */
+#undef RETURN
+#define RETURN(_code)                     \
+    do {                                  \
+        rval.code = _code;                \
+        rval.consumed = consumed_myself;  \
+        return rval;                      \
+    } while(0)
+
+#undef JER_ADVANCE
+#define JER_ADVANCE(num_bytes)                                    \
+    do {                                                          \
+        size_t num = num_bytes;                                   \
+        buf_ptr = (const void *)(((const char *)buf_ptr) + num);  \
+        size -= num;                                              \
+        consumed_myself += num;                                   \
+    } while(0)
+
+asn_enc_rval_t
+CHOICE_encode_jer(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+                  enum jer_encoder_flags_e flags, asn_app_consume_bytes_f *cb,
+                  void *app_key) {
+    const asn_CHOICE_specifics_t *specs =
+        (const asn_CHOICE_specifics_t *)td->specifics;
+    asn_enc_rval_t er = {0,0,0};
+    unsigned present = 0;
+
+    if(!sptr)
+        ASN__ENCODE_FAILED;
+
+    /*
+     * Figure out which CHOICE element is encoded.
+     */
+    present = _fetch_present_idx(sptr, specs->pres_offset,specs->pres_size);
+
+    if(present == 0 || present > td->elements_count) {
+        ASN__ENCODE_FAILED;
+    } else {
+        asn_enc_rval_t tmper = {0,0,0};
+        asn_TYPE_member_t *elm = &td->elements[present-1];
+        const void *memb_ptr = NULL;
+        const char *mname = elm->name;
+        unsigned int mlen = strlen(mname);
+
+        if(elm->flags & ATF_POINTER) {
+            memb_ptr =
+                *(const void *const *)((const char *)sptr + elm->memb_offset);
+            if(!memb_ptr) ASN__ENCODE_FAILED;
+        } else {
+            memb_ptr = (const void *)((const char *)sptr + elm->memb_offset);
+        }
+
+        er.encoded = 0;
+
+        ASN__CALLBACK3("{\n\"", 3, mname, mlen, "\": ", 2);
+
+        tmper = elm->type->op->jer_encoder(elm->type, memb_ptr,
+                                           ilevel + 1, flags, cb, app_key);
+        if(tmper.encoded == -1) return tmper;
+        er.encoded += tmper.encoded;
+
+        ASN__CALLBACK("}", 1);
+        //        ASN__CALLBACK3("</", 2, mname, mlen, ">", 1);
+    }
+
+    ASN__ENCODED_OK(er);
+cb_failed:
+    ASN__ENCODE_FAILED;
+}