mirror of https://gerrit.osmocom.org/asn1c
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*-
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* Copyright (c) 2003, 2004 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 _CONSTR_SET_H_
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#define _CONSTR_SET_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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typedef struct asn_SET_specifics_s {
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/*
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* Target structure description.
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*/
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int struct_size; /* Size of the target structure. */
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int ctx_offset; /* Offset of the asn_struct_ctx_t member */
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int pres_offset; /* Offset of _presence_map member */
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/*
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* Tags to members mapping table (sorted).
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* Sometimes suitable for DER encoding (untagged CHOICE is present);
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* if so, tag2el_count will be greater than td->elements_count.
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*/
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asn_TYPE_tag2member_t *tag2el;
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int tag2el_count;
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/*
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* Tags to members mapping table, second edition.
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* Suitable for CANONICAL-XER encoding.
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*/
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asn_TYPE_tag2member_t *tag2el_cxer;
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int tag2el_cxer_count;
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/*
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* Extensions-related stuff.
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*/
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int extensible; /* Whether SET is extensible */
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unsigned int *_mandatory_elements; /* Bitmask of mandatory ones */
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} asn_SET_specifics_t;
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/*
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* A set specialized functions dealing with the SET type.
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*/
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asn_struct_free_f SET_free;
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asn_struct_print_f SET_print;
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asn_constr_check_f SET_constraint;
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ber_type_decoder_f SET_decode_ber;
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der_type_encoder_f SET_encode_der;
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xer_type_decoder_f SET_decode_xer;
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xer_type_encoder_f SET_encode_xer;
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/***********************
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* Some handy helpers. *
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***********************/
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/*
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* Figure out whether the SET member indicated by PR_x has already been decoded.
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* It is very simple bitfield test, despite its visual complexity.
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*/
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#define ASN_SET_ISPRESENT(set_ptr, PR_x) \
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ASN_SET_ISPRESENT2(&((set_ptr)->_presence_map), PR_x)
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#define ASN_SET_ISPRESENT2(map_ptr, PR_x) \
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(((unsigned int *)(map_ptr)) \
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[(PR_x) / (8 * sizeof(unsigned int))] \
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& (1 << ((8 * sizeof(unsigned int)) - 1 \
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- ((PR_x) % (8 * sizeof(unsigned int))))))
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#define ASN_SET_MKPRESENT(map_ptr, PR_x) \
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(((unsigned int *)(map_ptr)) \
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[(PR_x) / (8 * sizeof(unsigned int))] \
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|= (1 << ((8 * sizeof(unsigned int)) - 1 \
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- ((PR_x) % (8 * sizeof(unsigned int))))))
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#ifdef __cplusplus
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}
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#endif
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#endif /* _CONSTR_SET_H_ */
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