1 files changed, 79 insertions, 0 deletions
diff --git a/lib/yang.h b/lib/yang.h
index 52857ecf00..748f089037 100644
--- a/lib/yang.h
+++ b/lib/yang.h
@@ -535,6 +535,66 @@ extern struct lyd_node *yang_dnode_dup(const struct lyd_node *dnode);
  */
 extern void yang_dnode_free(struct lyd_node *dnode);
 
+/**
+ * yang_state_new() - Create new state data.
+ * @tree: subtree @path is relative to or NULL in which case @path must be
+ *	  absolute.
+ * @path: The path of the state node to create.
+ * @value: The canonical value of the state.
+ *
+ * Return: The new libyang node.
+ */
+extern struct lyd_node *yang_state_new(struct lyd_node *tree, const char *path, const char *value);
+
+/**
+ * yang_state_delete() - Delete state data.
+ * @tree: subtree @path is relative to or NULL in which case @path must be
+ *	  absolute.
+ * @path: The path of the state node to delete, or NULL if @tree should just be
+ *	  deleted.
+ */
+extern void yang_state_delete(struct lyd_node *tree, const char *path);
+
+/**
+ * yang_state_new_pathf() - Create new state data.
+ * @tree: subtree @path_fmt is relative to or NULL in which case @path_fmt must
+ *        be absolute.
+ * @path_fmt: The path format string of the state node to create.
+ * @value: The canonical value of the state.
+ * @...: The values to substitute into @path_fmt.
+ *
+ * Return: The new libyang node.
+ */
+extern struct lyd_node *yang_state_new_pathf(struct lyd_node *tree, const char *path_fmt,
+					     const char *value, ...) PRINTFRR(2, 4);
+extern struct lyd_node *yang_state_new_vpathf(struct lyd_node *tree, const char *path_fmt,
+					      const char *value, va_list ap);
+/**
+ * yang_state_delete_pathf() - Delete state data.
+ * @tree: subtree @path_fmt is relative to or NULL in which case @path_fmt must
+ *	  be absolute.
+ * @path: The path of the state node to delete.
+ * @...: The values to substitute into @path_fmt.
+ */
+extern void yang_state_delete_pathf(struct lyd_node *tree, const char *path_fmt, ...) PRINTFRR(2, 3);
+extern void yang_state_delete_vpathf(struct lyd_node *tree, const char *path_fmt, va_list ap);
+
+/**
+ * yang_state_newf() - Create new state data.
+ * @tree: subtree @path is relative to or NULL in which case @path must be
+ *	  absolute.
+ * @path: The path of the state node to create.
+ * @val_fmt: The value format string to set the canonical value of the state.
+ * @...: The values to substitute into @val_fmt.
+ *
+ * Return: The new libyang node.
+ */
+extern struct lyd_node *yang_state_newf(struct lyd_node *tree, const char *path,
+					const char *val_fmt, ...) PRINTFRR(3, 4);
+
+extern struct lyd_node *yang_state_vnewf(struct lyd_node *tree, const char *path,
+					 const char *val_fmt, va_list ap);
+
 /*
  * Add a libyang data node to an RPC/action output container.
  *
@@ -621,6 +681,25 @@ extern struct ly_ctx *yang_ctx_new_setup(bool embedded_modules, bool explicit_co
  */
 extern void yang_debugging_set(bool enable);
 
+
+/*
+ * Parse YANG data.
+ *
+ * Args:
+ *	xpath: xpath of the data.
+ *	format: LYD_FORMAT of input data.
+ *	as_subtree: parse the data as starting at the subtree identified by xpath.
+ *	is_oper: parse as operational state allows for invalid (logs warning).
+ *	validate: validate the data (otherwise treat as non-final).
+ *	data: input data.
+ *	notif: pointer to the libyang data tree to store the parsed notification.
+ *	       If the notification is not on the top level of the yang model,
+ *	       the pointer to the notification node is still returned, but it's
+ *	       part of the full data tree with all its parents.
+ */
+LY_ERR yang_parse_data(const char *xpath, LYD_FORMAT format, bool as_subtree, bool is_oper,
+		       bool validate, const char *data, struct lyd_node **tree);
+
 /*
  * Parse a YANG notification.
  *