+/*
+ * 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 <asn_codecs_prim.h>
+#include <NULL.h>
+
+asn_enc_rval_t
+NULL_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) {
+ asn_enc_rval_t er = {0,0,0};
+
+ (void)td;
+ (void)sptr;
+ (void)ilevel;
+ (void)flags;
+ (void)cb;
+ (void)app_key;
+
+ /* XMLNullValue is empty */
+ er.encoded = 0;
+ ASN__ENCODED_OK(er);
+}
+
+
+static enum xer_pbd_rval
+NULL__xer_body_decode(const asn_TYPE_descriptor_t *td, void *sptr,
+ const void *chunk_buf, size_t chunk_size) {
+ (void)td;
+ (void)sptr;
+ (void)chunk_buf; /* Going to be empty according to the rules below. */
+
+ /*
+ * There must be no content in self-terminating <NULL/> tag.
+ */
+ if(chunk_size)
+ return XPBD_BROKEN_ENCODING;
+ else
+ return XPBD_BODY_CONSUMED;
+}
+
+asn_dec_rval_t
+NULL_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) {
+ return xer_decode_primitive(opt_codec_ctx, td,
+ sptr, sizeof(NULL_t), opt_mname, buf_ptr, size,
+ NULL__xer_body_decode);
+}