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formalizing xmldb api

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This commit is contained in:
Olof hagsand 2017-04-16 19:06:19 +02:00
parent 540cd96e74
commit ee9b74d735
13 changed files with 252 additions and 166 deletions
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82
lib/src/clixon_xml_map.c
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@ -1248,3 +1248,85 @@ xml_sanity(cxobj *xt,
return retval;
}
/*! Translate from restconf api-path to xml xpath
* eg a/b=c -> a/[b=c]
* @param[in] yspec Yang spec
* @param[in] pcvec api-path as cvec
* @param[in] pi Length of cvec
* @param[out] path The xpath as cligen bif variable string
*/
int
xml_apipath2xpath(yang_spec *yspec,
cvec *pcvec,
int pi,
cbuf *path)
{
int retval = -1;
int i;
cg_var *cv;
char *name;
cvec *cvk = NULL; /* vector of index keys */
yang_stmt *y = NULL;
char *val;
char *v;
yang_stmt *ykey;
cg_var *cvi;
for (i=pi; i<cvec_len(pcvec); i++){
cv = cvec_i(pcvec, i);
name = cv_name_get(cv);
clicon_debug(1, "[%d] cvname:%s", i, name);
clicon_debug(1, "cv2str%d", cv2str(cv, NULL, 0));
if (i == pi){
if ((y = yang_find_topnode(yspec, name)) == NULL){
clicon_err(OE_UNIX, errno, "No yang node found: %s", name);
goto done;
}
}
else{
assert(y!=NULL);
if ((y = yang_find_syntax((yang_node*)y, name)) == NULL){
clicon_err(OE_UNIX, errno, "No yang node found: %s", name);
goto done;
}
}
/* Check if has value, means '=' */
if (cv2str(cv, NULL, 0) > 0){
if ((val = cv2str_dup(cv)) == NULL)
goto done;
v = val;
/* XXX sync with yang */
while((v=index(v, ',')) != NULL){
*v = '\0';
v++;
}
/* Find keys */
if ((ykey = yang_find((yang_node*)y, Y_KEY, NULL)) == NULL){
clicon_err(OE_XML, errno, "%s: List statement \"%s\" has no key",
__FUNCTION__, y->ys_argument);
goto done;
}
clicon_debug(1, "ykey:%s", ykey->ys_argument);
/* The value is a list of keys: <key>[ <key>]* */
if ((cvk = yang_arg2cvec(ykey, " ")) == NULL)
goto done;
cvi = NULL;
/* Iterate over individual yang keys */
cprintf(path, "/%s", name);
v = val;
while ((cvi = cvec_each(cvk, cvi)) != NULL){
cprintf(path, "[%s=%s]", cv_string_get(cvi), v);
v += strlen(v)+1;
}
if (val)
free(val);
}
else{
cprintf(path, "%s%s", (i==pi?"":"/"), name);
}
}
retval = 0;
done:
return retval;
}