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Added xpath support for predicate: current(); added by-reference return for schema_nodeid functions; prototype enum2int function

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This commit is contained in:
Olof hagsand 2017-07-30 11:00:02 +02:00
parent 89cfe2a9b3
commit d0660bf611
9 changed files with 368 additions and 208 deletions
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51
lib/src/clixon_xml_map.c
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@ -1999,3 +1999,54 @@ xml_merge(cxobj *x0,
return retval;
}
/*! Get integer value from xml node from yang enumeration
* @param[in] node XML node in a tree
* @param[out] val Integer value returned
* @retval 0 OK, value parsed
* @retval -1 Error, value not obtained or parsed, no reason given
* @note assume yang spec set
* @note The function only returns assigned values, but according to RFC:
If a value is not specified, then one will be automatically assigned.
If the "enum" substatement is the first one defined, the assigned
value is zero (0); otherwise, the assigned value is one greater than
the current highest enum value (i.e., the highest enum value,
* Thanks: Matthew Smith
*/
int
yang_enum_int_value(cxobj *node,
int32_t *val)
{
int retval = -1;
yang_spec *yspec;
yang_stmt *ys;
yang_stmt *ytype;
yang_stmt *yrestype; /* resolved type */
yang_stmt *yenum;
yang_stmt *yval;
char *reason = NULL;
if (node == NULL)
goto done;
if ((ys = (yang_stmt *) xml_spec(node)) == NULL)
goto done;
if ((yspec = ys_spec(ys)) == NULL)
goto done;
if ((ytype = yang_find((yang_node *)ys, Y_TYPE, NULL)) == NULL)
goto done;
if (yang_type_resolve(ys, ytype, &yrestype,
NULL, NULL, NULL, NULL, NULL) < 0)
goto done;
if (yrestype==NULL || strcmp(yrestype->ys_argument, "enumeration"))
goto done;
if ((yenum = yang_find((yang_node *)yrestype, Y_ENUM, xml_body(node))) == NULL)
goto done;
/* Should assign value if yval not found */
if ((yval = yang_find((yang_node *)yenum, Y_VALUE, NULL)) == NULL)
goto done;
/* reason is string containing why int could not be parsed */
if (parse_int32(yval->ys_argument, val, &reason) < 0)
goto done;
retval = 0;
done:
return retval;
}