79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*
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* Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
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* All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#include <asn_internal.h>
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#include <constr_CHOICE.h>
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/*
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* Return a standardized complex structure.
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*/
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#undef RETURN
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#define RETURN(_code) \
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do { \
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rval.code = _code; \
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rval.consumed = consumed_myself; \
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return rval; \
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} while(0)
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#undef JER_ADVANCE
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#define JER_ADVANCE(num_bytes) \
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do { \
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size_t num = num_bytes; \
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buf_ptr = (const void *)(((const char *)buf_ptr) + num); \
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size -= num; \
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consumed_myself += num; \
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} while(0)
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asn_enc_rval_t
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CHOICE_encode_jer(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
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enum jer_encoder_flags_e flags, asn_app_consume_bytes_f *cb,
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void *app_key) {
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const asn_CHOICE_specifics_t *specs =
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(const asn_CHOICE_specifics_t *)td->specifics;
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asn_enc_rval_t er = {0,0,0};
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unsigned present = 0;
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if(!sptr)
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ASN__ENCODE_FAILED;
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/*
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* Figure out which CHOICE element is encoded.
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*/
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present = _fetch_present_idx(sptr, specs->pres_offset,specs->pres_size);
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if(present == 0 || present > td->elements_count) {
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ASN__ENCODE_FAILED;
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} else {
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asn_enc_rval_t tmper = {0,0,0};
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asn_TYPE_member_t *elm = &td->elements[present-1];
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const void *memb_ptr = NULL;
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const char *mname = elm->name;
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unsigned int mlen = strlen(mname);
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if(elm->flags & ATF_POINTER) {
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memb_ptr =
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*(const void *const *)((const char *)sptr + elm->memb_offset);
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if(!memb_ptr) ASN__ENCODE_FAILED;
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} else {
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memb_ptr = (const void *)((const char *)sptr + elm->memb_offset);
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}
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er.encoded = 0;
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ASN__CALLBACK3("{\n\"", 3, mname, mlen, "\": ", 2);
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tmper = elm->type->op->jer_encoder(elm->type, memb_ptr,
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ilevel + 1, flags, cb, app_key);
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if(tmper.encoded == -1) return tmper;
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er.encoded += tmper.encoded;
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ASN__CALLBACK("}", 1);
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// ASN__CALLBACK3("</", 2, mname, mlen, ">", 1);
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}
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ASN__ENCODED_OK(er);
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cb_failed:
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ASN__ENCODE_FAILED;
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}
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