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mlr nest iterate

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This commit is contained in:
John Kerl 2016-02-15 16:45:33 -05:00
parent a1de422870
commit d198f017f2
1 changed files with 8 additions and 30 deletions
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38
c/mapping/mapper_nest.c
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@ -252,39 +252,17 @@ static sllv_t* mapper_nest_explode_values_across_records(lrec_t* pinrec, context
}
sllv_t* poutrecs = sllv_alloc();
// strtok & loop over
lrec_remove(pinrec, pstate->field_name);
char* sep = pstate->nested_fs;
int i = 1;
for (char* piece = strtok(field_value, sep); piece != NULL; piece = strtok(NULL, sep), i++) {
lrec_t* poutrec = lrec_copy(pinrec);
lrec_put(poutrec, pstate->field_name, mlr_strdup_or_die(piece), FREE_ENTRY_VALUE);
sllv_append(poutrecs, poutrec);
}
lrec_free(pinrec);
return poutrecs;
}
// lhmss_t* pairs = lhmss_alloc();
// char* pfree_flags = NULL;
// for (sllse_t* pe = pstate->input_field_names->phead; pe != NULL; pe = pe->pnext) {
// char* key = pe->value;
// char* value = lrec_get_ext(pinrec, key, &pfree_flags);
// if (value != NULL) {
// // Ownership-transfer of the about-to-be-freed key-value pairs from lrec to lhmss
// lhmss_put(pairs, key, value, *pfree_flags);
// *pfree_flags = NO_FREE;
// }
// }
//
// // Unset the lrec keys after iterating over them, rather than during
// for (lhmsse_t* pf = pairs->phead; pf != NULL; pf = pf->pnext)
// lrec_remove(pinrec, pf->key);
//
// if (pairs->num_occupied == 0) {
// sllv_append(poutrecs, pinrec);
// } else {
// for (lhmsse_t* pf = pairs->phead; pf != NULL; pf = pf->pnext) {
// lrec_t* poutrec = lrec_copy(pinrec);
// lrec_put(poutrec, pstate->output_key_field_name, mlr_strdup_or_die(pf->key), FREE_ENTRY_VALUE);
// lrec_put(poutrec, pstate->output_value_field_name, mlr_strdup_or_die(pf->value), FREE_ENTRY_VALUE);
// sllv_append(poutrecs, poutrec);
// }
// lrec_free(pinrec);
// }
// ----------------------------------------------------------------
static sllv_t* mapper_nest_implode_values_across_records(lrec_t* pinrec, context_t* pctx, void* pvstate) {
return NULL; // xxx stub