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C-API: string to pointer map

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Optimization of yspec+namespace lookup
Optimization of non-presence container default tree
This commit is contained in:
Olof hagsand 2024-12-27 17:53:38 +01:00
parent 3be786c211
commit b09e326307
10 changed files with 303 additions and 20 deletions
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57
lib/src/clixon_yang_parse_lib.c
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@ -903,6 +903,9 @@ yang_parse_str(char *str,
/* Add filename for debugging and errors, see also ys_linenum on (each symbol?) */
if (yang_filename_set(ymod, name) < 0)
goto done;
#ifdef OPTIMIZE_YSPEC_NAMESPACE
yspec_nscache_clear(yspec);
#endif
done:
clixon_debug(CLIXON_DBG_PARSE, "retval:%p", ymod);
ystack_pop(&yy);
@ -2109,3 +2112,57 @@ ys_parse_sub(yang_stmt *ys,
free(extra);
return retval;
}
#ifdef OPTIMIZE_YSPEC_NAMESPACE
int
yspec_nscache_clear(yang_stmt *yspec)
{
if (yspec->ys_nscache){ /* Clear cache */
free(yspec->ys_nscache);
yspec->ys_nscache = NULL;
}
return 0;
}
/*!
*/
yang_stmt *
yspec_nscache_get(yang_stmt *yspec,
char *ns)
{
if (yspec->ys_nscache == NULL){
if (yspec_nscache_new(yspec) < 0)
return NULL;
}
return clixon_str2ptr(yspec->ys_nscache, ns, yang_len_get(yspec)+1);
}
/*!
*/
int
yspec_nscache_new(yang_stmt *yspec)
{
int retval = -1;
map_str2ptr *mp;
yang_stmt *ym;
int i;
yspec_nscache_clear(yspec);
if ((yspec->ys_nscache = calloc(yang_len_get(yspec)+1, sizeof(*yspec->ys_nscache))) == NULL){
clixon_err(OE_UNIX, errno, "calloc");
goto done;
}
for (i=0; i<yang_len_get(yspec); i++){
ym = yang_child_i(yspec, i);
if (yang_keyword_get(ym) != Y_MODULE)
continue;
mp = &yspec->ys_nscache[i];
mp->mp_str = yang_find_mynamespace(ym);
mp->mp_ptr = ym;
}
clixon_str2ptr_sort(yspec->ys_nscache, yang_len_get(yspec)+1);
retval = 0;
done:
return retval;
}
#endif