49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/*
|
|
* Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
|
|
* All rights reserved.
|
|
* Redistribution and modifications are permitted subject to BSD license.
|
|
*/
|
|
#include <asn_internal.h>
|
|
#include <constr_CHOICE.h>
|
|
|
|
int
|
|
CHOICE_print(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
|
|
asn_app_consume_bytes_f *cb, void *app_key) {
|
|
const asn_CHOICE_specifics_t *specs = (const asn_CHOICE_specifics_t *)td->specifics;
|
|
unsigned present;
|
|
|
|
if(!sptr) return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
|
|
|
|
/*
|
|
* Figure out which CHOICE element is encoded.
|
|
*/
|
|
present = _fetch_present_idx(sptr, specs->pres_offset,specs->pres_size);
|
|
|
|
/*
|
|
* Print that element.
|
|
*/
|
|
if(present > 0 && present <= td->elements_count) {
|
|
asn_TYPE_member_t *elm = &td->elements[present-1];
|
|
const void *memb_ptr;
|
|
|
|
if(elm->flags & ATF_POINTER) {
|
|
memb_ptr = *(const void * const *)((const char *)sptr + elm->memb_offset);
|
|
if(!memb_ptr) return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
|
|
} else {
|
|
memb_ptr = (const void *)((const char *)sptr + elm->memb_offset);
|
|
}
|
|
|
|
/* Print member's name and stuff */
|
|
if(0) {
|
|
if(cb(elm->name, strlen(elm->name), app_key) < 0
|
|
|| cb(": ", 2, app_key) < 0)
|
|
return -1;
|
|
}
|
|
|
|
return elm->type->op->print_struct(elm->type, memb_ptr, ilevel,
|
|
cb, app_key);
|
|
} else {
|
|
return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
|
|
}
|
|
}
|