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