Merge pull request #289 from nwellnhof/user_data

Add field for user data to node

1 files changed, 17 insertions, 0 deletions

diff --git a/src/cmark.h b/src/cmark.h
index 04ca6d7..8177fa8 100644
--- a/src/cmark.h
+++ b/src/cmark.h
@@ -213,6 +213,12 @@ CMARK_EXPORT
 cmark_event_type
 cmark_iter_get_event_type(cmark_iter *iter);
 
+/** Returns the root node.
+ */
+CMARK_EXPORT
+cmark_node*
+cmark_iter_get_root(cmark_iter *iter);
+
 /** Resets the iterator so that the current node is 'current' and
  * the event type is 'event_type'.  The new current node must be a
  * descendant of the root node or the root node itself.
@@ -226,6 +232,17 @@ cmark_iter_reset(cmark_iter *iter, cmark_node *current,
  * ## Accessors
  */
 
+/** Returns the user data of 'node'.
+ */
+CMARK_EXPORT void*
+cmark_node_get_user_data(cmark_node *node);
+
+/** Sets arbitrary user data for 'node'.  Returns 1 on success,
+ * 0 on failure.
+ */
+CMARK_EXPORT int
+cmark_node_set_user_data(cmark_node *node, void *user_data);
+
 /** Returns the type of 'node', or `CMARK_NODE_NONE` on error.
  */
 CMARK_EXPORT cmark_node_type