e2sim/ASN1c/constr_CHOICE.h

   1 /*****************************************************************************
   2 #                                                                            *
   3 # Copyright 2019 AT&T Intellectual Property                                  *
   4 #                                                                            *
   5 # Licensed under the Apache License, Version 2.0 (the "License");            *
   6 # you may not use this file except in compliance with the License.           *
   7 # You may obtain a copy of the License at                                    *
   8 #                                                                            *
   9 #      http://www.apache.org/licenses/LICENSE-2.0                            *
  10 #                                                                            *
  11 # Unless required by applicable law or agreed to in writing, software        *
  12 # distributed under the License is distributed on an "AS IS" BASIS,          *
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *
  14 # See the License for the specific language governing permissions and        *
  15 # limitations under the License.                                             *
  16 #                                                                            *
  17 ******************************************************************************/
  18
  19 /*
  20  * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
  21  * Redistribution and modifications are permitted subject to BSD license.
  22  */
  23 #ifndef _CONSTR_CHOICE_H_
  24 #define _CONSTR_CHOICE_H_
  25
  26 #include <asn_application.h>
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 typedef struct asn_CHOICE_specifics_s {
  33         /*
  34          * Target structure description.
  35          */
  36         unsigned struct_size;       /* Size of the target structure. */
  37         unsigned ctx_offset;        /* Offset of the asn_codec_ctx_t member */
  38         unsigned pres_offset;       /* Identifier of the present member */
  39         unsigned pres_size;         /* Size of the identifier (enum) */
  40
  41         /*
  42          * Tags to members mapping table.
  43          */
  44         const asn_TYPE_tag2member_t *tag2el;
  45         unsigned tag2el_count;
  46
  47         /* Canonical ordering of CHOICE elements, for PER */
  48         const unsigned *to_canonical_order;
  49         const unsigned *from_canonical_order;
  50
  51         /*
  52          * Extensions-related stuff.
  53          */
  54         signed ext_start; /* First member of extensions, or -1 */
  55 } asn_CHOICE_specifics_t;
  56
  57 /*
  58  * A set specialized functions dealing with the CHOICE type.
  59  */
  60 asn_struct_free_f CHOICE_free;
  61 asn_struct_print_f CHOICE_print;
  62 asn_struct_compare_f CHOICE_compare;
  63 asn_constr_check_f CHOICE_constraint;
  64 ber_type_decoder_f CHOICE_decode_ber;
  65 der_type_encoder_f CHOICE_encode_der;
  66 xer_type_decoder_f CHOICE_decode_xer;
  67 xer_type_encoder_f CHOICE_encode_xer;
  68 oer_type_decoder_f CHOICE_decode_oer;
  69 oer_type_encoder_f CHOICE_encode_oer;
  70 per_type_decoder_f CHOICE_decode_uper;
  71 per_type_encoder_f CHOICE_encode_uper;
  72 per_type_decoder_f CHOICE_decode_aper;
  73 per_type_encoder_f CHOICE_encode_aper;
  74 asn_outmost_tag_f CHOICE_outmost_tag;
  75 asn_random_fill_f CHOICE_random_fill;
  76 extern asn_TYPE_operation_t asn_OP_CHOICE;
  77
  78 /*
  79  * Return the 1-based choice variant presence index.
  80  * Returns 0 in case of error.
  81  */
  82 unsigned CHOICE_variant_get_presence(const asn_TYPE_descriptor_t *td,
  83                                      const void *structure_ptr);
  84
  85 /*
  86  * Sets or resets the 1-based choice variant presence index.
  87  * In case a previous index is not zero, the currently selected structure
  88  * member is freed and zeroed-out first.
  89  * Returns 0 on success and -1 on error.
  90  */
  91 int CHOICE_variant_set_presence(const asn_TYPE_descriptor_t *td,
  92                                 void *structure_ptr, unsigned present);
  93
  94 #ifdef __cplusplus
  95 }
  96 #endif
  97
  98 #endif  /* _CONSTR_CHOICE_H_ */