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/*
* Copyright (c) 2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#ifndef OER_ENCODER_H
#define OER_ENCODER_H
#include <asn_application.h>
#ifdef __cplusplus
extern "C" {
#endif
struct asn_TYPE_descriptor_s; /* Forward declaration */
/*
* The Octet Encoding Rules (OER, X.696 08/2015) encoder for any type.
* This function may be invoked directly by the application.
* Produces CANONICAL-OER output compatible with CANONICAL-OER
* and BASIC-OER decoders.
*/
asn_enc_rval_t oer_encode(const struct asn_TYPE_descriptor_s *type_descriptor,
const void *struct_ptr, /* Structure to be encoded */
asn_app_consume_bytes_f *consume_bytes_cb,
void *app_key /* Arbitrary callback argument */
);
/* A variant of oer_encode() which encodes data into the pre-allocated buffer */
asn_enc_rval_t oer_encode_to_buffer(
const struct asn_TYPE_descriptor_s *type_descriptor,
const asn_oer_constraints_t *constraints,
const void *struct_ptr, /* Structure to be encoded */
void *buffer, /* Pre-allocated buffer */
size_t buffer_size /* Initial buffer size (maximum) */
);
/*
* Type of the generic OER encoder.
*/
typedef asn_enc_rval_t(oer_type_encoder_f)(
const struct asn_TYPE_descriptor_s *type_descriptor,
const asn_oer_constraints_t *constraints,
const void *struct_ptr, /* Structure to be encoded */
asn_app_consume_bytes_f *consume_bytes_cb, /* Callback */
void *app_key /* Arbitrary callback argument */
);
/*
* Write out the Open Type (X.696 (08/2015), #30).
* RETURN VALUES:
* -1: Fatal error encoding the type.
* >0: Number of bytes serialized.
*/
ssize_t oer_open_type_put(const struct asn_TYPE_descriptor_s *td,
const asn_oer_constraints_t *constraints,
const void *struct_ptr,
asn_app_consume_bytes_f *consume_bytes_cb,
void *app_key);
/*
* Length-prefixed buffer encoding for primitive types.
*/
oer_type_encoder_f oer_encode_primitive;
#ifdef __cplusplus
}
#endif
#endif /* OER_ENCODER_H */
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