From c672a2cfb89026e918570f5ac2d4b7664a4e5dae Mon Sep 17 00:00:00 2001
From: Jon Ringle <jringle@gridpoint.com>
Date: Tue, 21 Nov 2017 09:39:14 -0500
Subject: [PATCH] BNER support: converter-example

---
 skeletons/asn_application.c   | 30 ++++++++++++++++++++++++++++++
 skeletons/asn_application.h   |  7 ++++++-
 skeletons/converter-example.c |  9 ++++++++-
 3 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/skeletons/asn_application.c b/skeletons/asn_application.c
index 8ce0261b8..4c6ef8c2c 100644
--- a/skeletons/asn_application.c
+++ b/skeletons/asn_application.c
@@ -374,6 +374,28 @@ asn_encode_internal(const asn_codec_ctx_t *opt_codec_ctx,
         }
         break;
 
+    case ATS_BNER:
+#ifdef ASN_DISABLE_BNER_SUPPORT
+		errno = ENOENT; /* BNER is not defined. */
+        ASN__ENCODE_FAILED;
+		break;
+#else
+		if(td->op->bner_encoder) {
+            er = bner_encode(td, sptr, callback, callback_key);
+            if(er.encoded == -1) {
+                if(er.failed_type && er.failed_type->op->bner_encoder) {
+                    errno = EBADF;  /* Structure has incorrect form. */
+                } else {
+                    errno = ENOENT; /* BNER is not defined for this type. */
+                }
+            }
+        } else {
+            errno = ENOENT; /* Transfer syntax is not defined for this type. */
+            ASN__ENCODE_FAILED;
+        }
+		break;
+#endif  /* ASN_DISABLE_BNER_SUPPORT */
+
     default:
         errno = ENOENT;
         ASN__ENCODE_FAILED;
@@ -435,6 +457,14 @@ asn_decode(const asn_codec_ctx_t *opt_codec_ctx,
     case ATS_BASIC_XER:
     case ATS_CANONICAL_XER:
         return xer_decode(opt_codec_ctx, td, sptr, buffer, size);
+
+    case ATS_BNER:
+#ifdef ASN_DISABLE_BNER_SUPPORT
+		errno = ENOENT;
+        ASN__DECODE_FAILED;
+#else
+		return bner_decode(opt_codec_ctx, td, sptr, buffer, size);
+#endif
     }
 }
 
diff --git a/skeletons/asn_application.h b/skeletons/asn_application.h
index 3ca9f138e..2b38f299e 100644
--- a/skeletons/asn_application.h
+++ b/skeletons/asn_application.h
@@ -57,7 +57,12 @@ enum asn_transfer_syntax {
      * CANONICAL-XER is a more strict variant of BASIC-XER.
      */
     ATS_BASIC_XER,
-    ATS_CANONICAL_XER
+    ATS_CANONICAL_XER,
+    /*
+     * ASHRAE 135:
+     * BNER: BACnet Encoding Rules.
+     */
+    ATS_BNER
 };
 
 /*
diff --git a/skeletons/converter-example.c b/skeletons/converter-example.c
index b54045250..b89b96034 100644
--- a/skeletons/converter-example.c
+++ b/skeletons/converter-example.c
@@ -126,6 +126,8 @@ ats_simple_name(enum asn_transfer_syntax syntax) {
     case ATS_UNALIGNED_BASIC_PER:
     case ATS_UNALIGNED_CANONICAL_PER:
         return "PER";
+    case ATS_BNER:
+        return "BNER";
     default:
         return "<?>";
     }
@@ -148,6 +150,8 @@ static syntax_selector input_encodings[] = {
      "Input is in Unaligned PER (Packed Encoding Rules)"},
     {"xer", ATS_BASIC_XER, CODEC_OFFSET(xer_decoder),
      "Input is in XER (XML Encoding Rules)"},
+    {"bner", ATS_BNER, CODEC_OFFSET(bner_decoder),
+     "Input is in BNER (BACnet Encoding Rules)"},
     {0, ATS_INVALID, 0, 0}};
 
 static syntax_selector output_encodings[] = {
@@ -159,6 +163,8 @@ static syntax_selector output_encodings[] = {
      "Output as Unaligned PER (Packed Encoding Rules)"},
     {"xer", ATS_BASIC_XER, CODEC_OFFSET(xer_encoder),
      "Output as XER (XML Encoding Rules)"},
+    {"bner", ATS_BNER, CODEC_OFFSET(bner_encoder),
+     "Output as BNER (BACnet Encoding Rules)"},
     {"text", ATS_NONSTANDARD_PLAINTEXT, CODEC_OFFSET(print_struct),
      "Output as plain semi-structured text"},
     {"null", ATS_INVALID, CODEC_OFFSET(print_struct),
@@ -355,7 +361,8 @@ main(int ac, char *av[]) {
         fprintf(stderr, "Where options are:\n");
         for(sel = input_encodings; sel->name; sel++) {
             if(ats_by_name(sel->name, anyPduType, sel)) {
-                fprintf(stderr, "  -i%s        %s%s\n", sel->name,
+                fprintf(stderr, "  -i%s%s       %s%s\n", sel->name,
+                        strlen(sel->name) > 3 ? "" : " ",
                         sel->full_name,
                         (sel->syntax == isyntax) ? " (DEFAULT)" : "");
             }