experiments/clixon
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Added support for XPATH functions:

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* `contains`,
  * `derived-from` and `derived-from-or-self`
    * in particular in augment/when statements as shown in eg RFC 7950.
This commit is contained in:
Olof hagsand 2020-09-22 18:00:15 +02:00
parent 6d7b76550f
commit c616aa1569
18 changed files with 800 additions and 48 deletions
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40
lib/src/clixon_validate.c
View file

@ -1174,11 +1174,45 @@ xml_yang_validate_all(clicon_handle h,
/* "when" sub-node RFC 7950 Sec 7.21.5. Can only be one. */
if ((yc = yang_find(ys, Y_WHEN, NULL)) != NULL){
xpath = yang_argument_get(yc); /* "when" has xpath argument */
if ((nr = xpath_vec_bool(xt, NULL, "%s", xpath)) < 0)
/* WHEN xpath needs namespace context */
if (xml_nsctx_yang(ys, &nsc) < 0)
goto done;
if (!nr){
if ((nr = xpath_vec_bool(xt, nsc,
"%s", xpath)) < 0)
goto done;
if (nsc){
xml_nsctx_free(nsc);
nsc = NULL;
}
if (nr == 0){
if ((cb = cbuf_new()) == NULL){
clicon_err(OE_UNIX, errno, "cbuf_new");
goto done;
}
cprintf(cb, "Failed WHEN condition of %s in module %s",
xml_name(xt),
yang_argument_get(ys_module(ys)));
if (netconf_operation_failed_xml(xret, "application",
"when xpath validation failed") < 0)
cbuf_get(cb)) < 0)
goto done;
goto fail;
}
}
/* Augmented when using special struct. */
if ((xpath = yang_when_xpath_get(ys)) != NULL){
if ((nr = xpath_vec_bool(xml_parent(xt), yang_when_nsc_get(ys),
"%s", xpath)) < 0)
goto done;
if (nr == 0){
if ((cb = cbuf_new()) == NULL){
clicon_err(OE_UNIX, errno, "cbuf_new");
goto done;
}
cprintf(cb, "Failed augmented WHEN condition of %s in module %s",
xml_name(xt),
yang_argument_get(ys_module(ys)));
if (netconf_operation_failed_xml(xret, "application",
cbuf_get(cb)) < 0)
goto done;
goto fail;
}