experiments/clixon
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Transform YANG when expressions to canonical xpath form

Browse source
This commit is contained in:
Olof hagsand 2024-08-21 21:55:14 +02:00
parent 71e921520e
commit 26ca872b0c
8 changed files with 262 additions and 87 deletions
Download patch file Download diff file Expand all files Collapse all files

87
lib/src/clixon_yang.c
View file

@ -77,6 +77,8 @@
#include "clixon_log.h"
#include "clixon_debug.h"
#include "clixon_xml_nsctx.h"
#include "clixon_xpath_ctx.h"
#include "clixon_xpath.h"
#include "clixon_yang_module.h"
#include "clixon_plugin.h"
#include "clixon_data.h"
@ -524,45 +526,68 @@ yang_when_set(clixon_handle h,
return retval;
}
/*! Get yang xpath for "when"-associated augment
/*! Get xpath and namespace context for "when"-associated augment
*
* Ie, for yang structures like: augment <path> { when <xpath>; ... }
* Will insert new yang nodes at <path> with this special "when" struct (not yang node)
* Inserts new yang nodes at <path> with this special "when" struct (not yang node)
* @param[in] ys Yang statement
* @retval xpath xpath should evaluate to true at validation
* @retval NULL Not set
* @note xpath context is PARENT which is different from when actual when child which is
* child itself
* @param[out] xpath
* @param[out] nsc
*/
char*
yang_when_xpath_get(yang_stmt *ys)
int
yang_when_xpath_get(yang_stmt *ys,
char **xpath,
cvec **nsc)
{
yang_stmt *ywhen;
if ((ywhen = yang_when_get(NULL, ys)) != NULL)
return yang_argument_get(ywhen);
return NULL;
}
/*! Get yang namespace context for "when"-associated augment
*
* Ie, for yang structures like: augment <path> { when <xpath>; ... }
* Will insert new yang nodes at <path> with this special "when" struct (not yang node)
* @param[in] ys Yang statement
* @retval nsc Namespace context (caller frees with cvec_free)
* @note retval is direct pointer, may need to be copied
*/
cvec *
yang_when_nsc_get(yang_stmt *ys)
{
yang_stmt *ywhen;
cvec *wnsc = NULL;
int retval = -1;
yang_stmt *ywhen;
cvec *nsc0 = NULL;
if ((ywhen = yang_when_get(NULL, ys)) != NULL) {
if (xml_nsctx_yang(ywhen, &wnsc) < 0)
wnsc = NULL;
if (xml_nsctx_yang(ywhen, nsc) < 0)
goto done;
if (xpath)
*xpath = yang_argument_get(ywhen);
}
return wnsc;
retval = 0;
done:
if (nsc0)
cvec_free(nsc0);
return retval;
}
/*! Get canonical xpath and namespace context for "when"-associated augment
*
* Ie, for yang structures like: augment <path> { when <xpath>; ... }
* Inserts new yang nodes at <path> with this special "when" struct (not yang node)
* @param[in] ys Yang statement
* @param[out] xpath
* @param[out] nsc
*/
int
yang_when_canonical_xpath_get(yang_stmt *ys,
char **xpath,
cvec **nsc)
{
int retval = -1;
yang_stmt *ywhen;
char *xpath0;
cvec *nsc0 = NULL;
if ((ywhen = yang_when_get(NULL, ys)) != NULL) {
if (xml_nsctx_yang(ywhen, &nsc0) < 0)
goto done;
xpath0 = yang_argument_get(ywhen);
if (xpath0 && nsc0){
if (xpath2canonical1(xpath0, nsc0, ys_spec(ys), 1, xpath, nsc, NULL) < 0)
goto done;
}
}
retval = 0;
done:
if (nsc0)
cvec_free(nsc0);
return retval;
}
/*! Get yang filename for error/debug purpose (only modules)