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* A yang type regex cache added, this helps the performance by avoiding re-running the regcomp command on every iteration.

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* An XML namespace cache added (see `xml2ns()`)
* Better performance of XML whitespace parsing/scanning.
This commit is contained in:
Olof hagsand 2019-04-19 16:01:39 +02:00
parent 728c97ab6d
commit 8c36083e16
8 changed files with 214 additions and 19 deletions
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13
lib/src/clixon_xml.c
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@ -127,6 +127,7 @@ struct xml{
reference, dont free */
cg_var *x_cv; /* Cached value as cligen variable
(eg xml_cmp) */
char *x_ns_cache; /* Cached namespace */
int _x_vector_i; /* internal use: xml_child_each */
int _x_i; /* internal use for sorting:
see xml_enumerate and xml_cmp */
@ -234,6 +235,7 @@ xml_prefix_set(cxobj *xn,
* @retval 0 OK
* @retval -1 Error
* @see xmlns_check XXX can these be merged?
* @note, this function uses a cache. Any case where cache should be cleared?
*/
int
xml2ns(cxobj *x,
@ -241,9 +243,11 @@ xml2ns(cxobj *x,
char **namespace)
{
int retval = -1;
char *ns;
char *ns = NULL;
cxobj *xp;
if ((ns = x->x_ns_cache) != NULL)
goto ok;
if (prefix != NULL) /* xmlns:<prefix>="<uri>" */
ns = xml_find_type_value(x, "xmlns", prefix, CX_ATTR);
else /* xmlns="<uri>" */
@ -261,6 +265,11 @@ xml2ns(cxobj *x,
ns = DEFAULT_XML_RPC_NAMESPACE;
#endif
}
if (ns && (x->x_ns_cache = strdup(ns)) == NULL){
clicon_err(OE_XML, errno, "strdup");
goto done;
}
ok:
if (namespace)
*namespace = ns;
retval = 0;
@ -1359,6 +1368,8 @@ xml_free(cxobj *x)
free(x->x_childvec);
if (x->x_cv)
cv_free(x->x_cv);
if (x->x_ns_cache)
free(x->x_ns_cache);
free(x);
return 0;
}