diff options
Diffstat (limited to 'lib/yang.h')
| -rw-r--r-- | lib/yang.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/yang.h b/lib/yang.h index 3ce584b347..75dcab2d2a 100644 --- a/lib/yang.h +++ b/lib/yang.h @@ -724,6 +724,35 @@ extern LY_ERR yang_lyd_new_list(struct lyd_node_inner *parent, const struct lysc_node *snode, const struct yang_list_keys *keys, struct lyd_node_inner **node); +/** + * yang_resolve_snodes() - Resolve an XPath to matching schema nodes. + * @ly_ctx: libyang context to operate on. + * @xpath: the path or XPath to resolve. + * @snodes: [OUT] pointer for resulting dynamic array (darr) of schema node + * pointers. + * @simple: [OUT] indicates if @xpath was resolvable simply or not. Non-simple + * means that the @xpath is not a simple path and utilizes XPath 1.0 + * functionality beyond simple key predicates. + * + * This function can be used to find the schema node (or nodes) that correspond + * to a given @xpath. If the @xpath includes non-key predicates (e.g., using + * functions) then @simple will be set to false, and @snodes may contain more + * than a single schema node. + * + * Return: a libyang error or LY_SUCCESS. + */ +extern LY_ERR yang_resolve_snode_xpath(struct ly_ctx *ly_ctx, const char *xpath, + struct lysc_node ***snodes, bool *simple); + +/** + * yang_trim_tree() - trim the data tree to the given xpath + * @root: the data tree + * @xpath: the xpath to trim @root to. + * + * Return: enum nb_error.. + */ +extern int yang_trim_tree(struct lyd_node *root, const char *xpath); + #ifdef __cplusplus } #endif |