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/*-
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#ifndef _CONSTR_SET_H_
#define _CONSTR_SET_H_
#include <asn_application.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef const struct asn_SET_specifics_s {
/*
* Target structure description.
*/
unsigned struct_size; /* Size of the target structure. */
unsigned ctx_offset; /* Offset of the asn_struct_ctx_t member */
unsigned pres_offset; /* Offset of _presence_map member */
/*
* Tags to members mapping table (sorted).
* Sometimes suitable for DER encoding (untagged CHOICE is present);
* if so, tag2el_count will be greater than td->elements_count.
*/
const asn_TYPE_tag2member_t *tag2el;
unsigned tag2el_count;
/*
* Tags to members mapping table, second edition.
* Suitable for CANONICAL-XER encoding.
*/
const asn_TYPE_tag2member_t *tag2el_cxer;
unsigned tag2el_cxer_count;
/*
* Extensions-related stuff.
*/
int extensible; /* Whether SET is extensible */
const unsigned int *_mandatory_elements; /* Bitmask of mandatory ones */
} asn_SET_specifics_t;
/*
* A set specialized functions dealing with the SET type.
*/
asn_struct_free_f SET_free;
asn_struct_print_f SET_print;
asn_struct_compare_f SET_compare;
asn_constr_check_f SET_constraint;
ber_type_decoder_f SET_decode_ber;
der_type_encoder_f SET_encode_der;
xer_type_decoder_f SET_decode_xer;
xer_type_encoder_f SET_encode_xer;
per_type_decoder_f SET_decode_uper;
per_type_encoder_f SET_encode_uper;
/***********************
* Some handy helpers. *
***********************/
/*
* Figure out whether the SET member indicated by PR_x has already been decoded.
* It is very simple bitfield test, despite its visual complexity.
*/
#define ASN_SET_ISPRESENT(set_ptr, PR_x) \
ASN_SET_ISPRESENT2(&((set_ptr)->_presence_map), PR_x)
#define ASN_SET_ISPRESENT2(map_ptr, PR_x) \
(((unsigned int *)(map_ptr)) \
[(PR_x) / (8 * sizeof(unsigned int))] \
& (1 << ((8 * sizeof(unsigned int)) - 1 \
- ((PR_x) % (8 * sizeof(unsigned int))))))
#define ASN_SET_MKPRESENT(map_ptr, PR_x) \
(((unsigned int *)(map_ptr)) \
[(PR_x) / (8 * sizeof(unsigned int))] \
|= (1 << ((8 * sizeof(unsigned int)) - 1 \
- ((PR_x) % (8 * sizeof(unsigned int))))))
#ifdef __cplusplus
}
#endif
#endif /* _CONSTR_SET_H_ */
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