structure of Run.compute + pretty-printing (run+tree with preorder)

[tatoo.git] / src / tree.mli

diff --git a/src/tree.mli b/src/tree.mli
index 1d5d77b..c75fd26 100644 (file)
--- a/src/tree.mli
+++ b/src/tree.mli
@@ -61,6 +61,9 @@ val parent : t -> node -> node
     Returns [nil] if [n == nil].
 *)
 
+val is_leaf : t -> node -> bool
+(** Return true if the node is a *)
+
 val tag : t -> node -> QName.t
 (** Returns the label of a given node *)
 
@@ -74,3 +77,7 @@ val preorder : t -> node -> int
 (** Returns the position of a node in pre-order in the tree. The
     root has preorder 0. [nil] has pre-order [-1].
 *)
+
+val print_xml_preorder : out_channel -> t -> node -> unit
+(** Outputs the tree with IDs for nodes as an XML document on the
+    given output_channel *)