Bouncer/e2sm_kpm/headers/constr_SET.h

   1 /*-
   2  * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
   3  * Redistribution and modifications are permitted subject to BSD license.
   4  */
   5 #ifndef _CONSTR_SET_H_
   6 #define _CONSTR_SET_H_
   7
   8 #include <asn_application.h>
   9
  10 #ifdef __cplusplus
  11 extern "C" {
  12 #endif
  13
  14
  15 typedef struct asn_SET_specifics_s {
  16         /*
  17          * Target structure description.
  18          */
  19         unsigned struct_size;       /* Size of the target structure. */
  20         unsigned ctx_offset;        /* Offset of the asn_struct_ctx_t member */
  21         unsigned pres_offset;       /* Offset of _presence_map member */
  22
  23         /*
  24          * Tags to members mapping table (sorted).
  25          * Sometimes suitable for DER encoding (untagged CHOICE is present);
  26          * if so, tag2el_count will be greater than td->elements_count.
  27          */
  28         const asn_TYPE_tag2member_t *tag2el;
  29         unsigned tag2el_count;
  30
  31         /*
  32          * Tags to members mapping table, second edition.
  33          * Suitable for CANONICAL-XER encoding.
  34          */
  35         const asn_TYPE_tag2member_t *tag2el_cxer;
  36         unsigned tag2el_cxer_count;
  37
  38         /*
  39          * Extensions-related stuff.
  40          */
  41         int extensible;                             /* Whether SET is extensible */
  42         const unsigned int *_mandatory_elements;    /* Bitmask of mandatory ones */
  43 } asn_SET_specifics_t;
  44
  45 /*
  46  * A set specialized functions dealing with the SET type.
  47  */
  48 asn_struct_free_f SET_free;
  49 asn_struct_print_f SET_print;
  50 asn_struct_compare_f SET_compare;
  51 asn_constr_check_f SET_constraint;
  52 ber_type_decoder_f SET_decode_ber;
  53 der_type_encoder_f SET_encode_der;
  54 xer_type_decoder_f SET_decode_xer;
  55 xer_type_encoder_f SET_encode_xer;
  56 per_type_decoder_f SET_decode_uper;
  57 per_type_encoder_f SET_encode_uper;
  58 asn_random_fill_f  SET_random_fill;
  59 extern asn_TYPE_operation_t asn_OP_SET;
  60
  61 /***********************
  62  * Some handy helpers. *
  63  ***********************/
  64
  65 /*
  66  * Figure out whether the SET member indicated by PR_x has already been decoded.
  67  * It is very simple bitfield test, despite its visual complexity.
  68  */
  69 #define ASN_SET_ISPRESENT(set_ptr, PR_x)                                \
  70         ASN_SET_ISPRESENT2(&((set_ptr)->_presence_map), PR_x)
  71 #define ASN_SET_ISPRESENT2(map_ptr, PR_x)                               \
  72         (((unsigned int *)(map_ptr))                                    \
  73                 [(PR_x) / (8 * sizeof(unsigned int))]                   \
  74                 & (1u << ((8 * sizeof(unsigned int)) - 1                        \
  75                 - ((PR_x) % (8 * sizeof(unsigned int))))))
  76
  77 #define ASN_SET_MKPRESENT(map_ptr, PR_x)                                \
  78         (((unsigned int *)(map_ptr))                                    \
  79                 [(PR_x) / (8 * sizeof(unsigned int))]                   \
  80                 |= (1u << ((8 * sizeof(unsigned int)) - 1               \
  81                 - ((PR_x) % (8 * sizeof(unsigned int))))))
  82
  83 #ifdef __cplusplus
  84 }
  85 #endif
  86
  87 #endif  /* _CONSTR_SET_H_ */