fixes

[SXSI/XMLTree.git] / XMLTree.h

diff --git a/XMLTree.h b/XMLTree.h
index 9b79ae3..1268cb6 100644 (file)
--- a/XMLTree.h
+++ b/XMLTree.h
@@ -153,6 +153,9 @@ public:
   \r
    /** IsChild(x,y): returns whether node x is parent of node y. */\r
    bool IsChild(treeNode x, treeNode y);\r
+\r
+   /** IsChild(x,y): returns whether node x is the first child of its parent */\r
+   bool IsFirstChild(treeNode x);\r
    \r
    /** NumChildren(x): number of children of node x. Constant time with the \r
     * data structure of Sadakane. */\r
@@ -191,8 +194,13 @@ public:
     * Very fast in BP. */\r
    treeNode FirstChild(treeNode x);\r
    \r
+   /** LastChild(x): returns the last child of node x. \r
+    * Implemented by Kim naively. */\r
+   treeNode LastChild(treeNode x);\r
+\r
    /** NextSibling(x): returns the next sibling of node x, assuming it \r
     * exists. */\r
+\r
    treeNode NextSibling(treeNode x);\r
    \r
    /** PrevSibling(x): returns the previous sibling of node x, assuming it \r