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

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

diff --git a/e2sim/asn1c/constr_CHOICE_print.c b/e2sim/asn1c/constr_CHOICE_print.c
new file mode 100644 (file)
index 0000000..a97202f
--- /dev/null
+++ b/e2sim/asn1c/constr_CHOICE_print.c
@@ -0,0 +1,48 @@
+/*
+ * 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>
+
+int
+CHOICE_print(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+             asn_app_consume_bytes_f *cb, void *app_key) {
+    const asn_CHOICE_specifics_t *specs = (const asn_CHOICE_specifics_t *)td->specifics;
+    unsigned present;
+
+    if(!sptr) return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
+
+    /*
+     * Figure out which CHOICE element is encoded.
+     */
+    present = _fetch_present_idx(sptr, specs->pres_offset,specs->pres_size);
+
+    /*
+     * Print that element.
+     */
+    if(present > 0 && present <= td->elements_count) {
+        asn_TYPE_member_t *elm = &td->elements[present-1];
+        const void *memb_ptr;
+
+        if(elm->flags & ATF_POINTER) {
+            memb_ptr = *(const void * const *)((const char *)sptr + elm->memb_offset);
+            if(!memb_ptr) return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
+        } else {
+            memb_ptr = (const void *)((const char *)sptr + elm->memb_offset);
+        }
+
+        /* Print member's name and stuff */
+        if(0) {
+            if(cb(elm->name, strlen(elm->name), app_key) < 0
+            || cb(": ", 2, app_key) < 0)
+                return -1;
+        }
+
+        return elm->type->op->print_struct(elm->type, memb_ptr, ilevel,
+                                           cb, app_key);
+    } else {
+        return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
+    }
+}