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

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

diff --git a/e2sim/asn1c/NativeInteger_xer.c b/e2sim/asn1c/NativeInteger_xer.c
new file mode 100644 (file)
index 0000000..18ec59a
--- /dev/null
+++ b/e2sim/asn1c/NativeInteger_xer.c
@@ -0,0 +1,78 @@
+/*
+ * 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 <NativeInteger.h>
+
+/*
+ * Decode the chunk of XML text encoding INTEGER.
+ */
+asn_dec_rval_t
+NativeInteger_decode_xer(const asn_codec_ctx_t *opt_codec_ctx,
+                         const asn_TYPE_descriptor_t *td, void **sptr,
+                         const char *opt_mname, const void *buf_ptr,
+                         size_t size) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    asn_dec_rval_t rval;
+    INTEGER_t st;
+    void *st_ptr = (void *)&st;
+    long *native = (long *)*sptr;
+
+    if(!native) {
+        native = (long *)(*sptr = CALLOC(1, sizeof(*native)));
+        if(!native) ASN__DECODE_FAILED;
+    }
+
+    memset(&st, 0, sizeof(st));
+    rval = INTEGER_decode_xer(opt_codec_ctx, td, &st_ptr,
+                              opt_mname, buf_ptr, size);
+    if(rval.code == RC_OK) {
+        long l;
+        if((specs&&specs->field_unsigned)
+            ? asn_INTEGER2ulong(&st, (unsigned long *)&l) /* sic */
+            : asn_INTEGER2long(&st, &l)) {
+            rval.code = RC_FAIL;
+            rval.consumed = 0;
+        } else {
+            *native = l;
+        }
+    } else {
+        /*
+         * Cannot restart from the middle;
+         * there is no place to save state in the native type.
+         * Request a continuation from the very beginning.
+         */
+        rval.consumed = 0;
+    }
+    ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &st);
+    return rval;
+}
+
+
+asn_enc_rval_t
+NativeInteger_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) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    char scratch[32];  /* Enough for 64-bit int */
+    asn_enc_rval_t er = {0,0,0};
+    const long *native = (const long *)sptr;
+
+    (void)ilevel;
+    (void)flags;
+
+    if(!native) ASN__ENCODE_FAILED;
+
+    er.encoded = snprintf(scratch, sizeof(scratch),
+                          (specs && specs->field_unsigned)
+                              ? "%lu" : "%ld", *native);
+    if(er.encoded <= 0 || (size_t)er.encoded >= sizeof(scratch)
+        || cb(scratch, er.encoded, app_key) < 0)
+        ASN__ENCODE_FAILED;
+
+    ASN__ENCODED_OK(er);
+}