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/*-
 * Copyright (c) 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
 * Redistribution and modifications are permitted subject to BSD license.
 */
#ifndef	_PER_DECODER_H_
#define	_PER_DECODER_H_

#include <asn_application.h>
#include <per_support.h>

#ifdef __cplusplus
extern "C" {
#endif

    struct asn_TYPE_descriptor_s;       /* Forward declaration */

/*
 * Unaligned PER decoder of any ASN.1 type. May be invoked by the application.
 */
    asn_dec_rval_t uper_decode(struct asn_codec_ctx_s *opt_codec_ctx, struct asn_TYPE_descriptor_s *type_descriptor,    /* Type to decode */
                               void **struct_ptr,       /* Pointer to a target structure's pointer */
                               const void *buffer,      /* Data to be decoded */
                               size_t size,     /* Size of data buffer */
                               int skip_bits,   /* Number of unused leading bits, 0..7 */
                               int unused_bits  /* Number of unused tailing bits, 0..7 */
        );

/*
 * Type of the type-specific PER decoder function.
 */
    typedef asn_dec_rval_t(per_type_decoder_f) (asn_codec_ctx_t *
                                                opt_codec_ctx,
                                                struct asn_TYPE_descriptor_s *
                                                type_descriptor,
                                                asn_per_constraints_t *
                                                constraints, void **struct_ptr,
                                                asn_per_data_t * per_data);

#ifdef __cplusplus
}
#endif
#endif                          /* _PER_DECODER_H_ */