libs/smux/include/stg/constr_CHOICE.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_CHOICE_H_
   6 #define _CONSTR_CHOICE_H_
   7
   8 #include <asn_application.h>
   9
  10 #ifdef __cplusplus
  11 extern "C" {
  12 #endif
  13
  14 typedef struct asn_CHOICE_specifics_s {
  15         /*
  16          * Target structure description.
  17          */
  18         unsigned struct_size;       /* Size of the target structure. */
  19         unsigned ctx_offset;        /* Offset of the asn_codec_ctx_t member */
  20         unsigned pres_offset;       /* Identifier of the present member */
  21         unsigned pres_size;         /* Size of the identifier (enum) */
  22
  23         /*
  24          * Tags to members mapping table.
  25          */
  26         const asn_TYPE_tag2member_t *tag2el;
  27         unsigned tag2el_count;
  28
  29         /* Canonical ordering of CHOICE elements, for PER */
  30         const unsigned *to_canonical_order;
  31         const unsigned *from_canonical_order;
  32
  33         /*
  34          * Extensions-related stuff.
  35          */
  36         signed ext_start; /* First member of extensions, or -1 */
  37 } asn_CHOICE_specifics_t;
  38
  39 /*
  40  * A set specialized functions dealing with the CHOICE type.
  41  */
  42 asn_struct_free_f CHOICE_free;
  43 asn_struct_print_f CHOICE_print;
  44 asn_struct_compare_f CHOICE_compare;
  45 asn_constr_check_f CHOICE_constraint;
  46 ber_type_decoder_f CHOICE_decode_ber;
  47 der_type_encoder_f CHOICE_encode_der;
  48 xer_type_decoder_f CHOICE_decode_xer;
  49 xer_type_encoder_f CHOICE_encode_xer;
  50 oer_type_decoder_f CHOICE_decode_oer;
  51 oer_type_encoder_f CHOICE_encode_oer;
  52 per_type_decoder_f CHOICE_decode_uper;
  53 per_type_encoder_f CHOICE_encode_uper;
  54 asn_outmost_tag_f CHOICE_outmost_tag;
  55 asn_random_fill_f CHOICE_random_fill;
  56 extern asn_TYPE_operation_t asn_OP_CHOICE;
  57
  58 /*
  59  * Return the 1-based choice variant presence index.
  60  * Returns 0 in case of error.
  61  */
  62 unsigned CHOICE_variant_get_presence(const asn_TYPE_descriptor_t *td,
  63                                      const void *structure_ptr);
  64
  65 /*
  66  * Sets or resets the 1-based choice variant presence index.
  67  * In case a previous index is not zero, the currently selected structure
  68  * member is freed and zeroed-out first.
  69  * Returns 0 on success and -1 on error.
  70  */
  71 int CHOICE_variant_set_presence(const asn_TYPE_descriptor_t *td,
  72                                 void *structure_ptr, unsigned present);
  73
  74 #ifdef __cplusplus
  75 }
  76 #endif
  77
  78 #endif  /* _CONSTR_CHOICE_H_ */