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 "asn1/asn1c/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_ */ 79