X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=XMLTree.h;h=d446ab122d2cd37cd0ef9b24c1d66e18e482008b;hb=3c8f8af6704ca98b36b503878058aa0619806dad;hp=a00487ac710eb82d96cdcf94437fa541fff3692b;hpb=dd9992dcd5366f37820c24ed7cddf24ecbc0d549;p=SXSI%2FXMLTree.git

diff --git a/XMLTree.h b/XMLTree.h
index a00487a..d446ab1 100644
--- a/XMLTree.h
+++ b/XMLTree.h
@@ -87,6 +87,8 @@ class XMLTree {
 
    /** The texts in the XML document */
    TextCollection *Text;
+   /** The texts in the XML document (cached for faster display) */
+   vector<string> CachedText;
    
    /** Flag indicating whether the whole data structure has been constructed or 
     * not. If the value is true, you cannot add more texts, nodes, etc. */
@@ -215,7 +217,14 @@ public:
     * preorder than x and not in the subtree of x. Returns NULLT if there 
     * is none. */
    treeNode TaggedFoll(treeNode x, TagType tag);
-   
+  
+   /** TaggedFollowingSibling(x,tag) */
+   treeNode TaggedFollowingSibling(treeNode x, TagType tag);
+
+   /** TaggedAncestor(x, tag): returns the closest ancestor of x tagged 
+     * tag. Return NULLT is there is none. */
+   treeNode TaggedAncestor(treeNode x, TagType tag);
+ 
    /** PrevText(x): returns the document identifier of the text to the left of 
     * node x, or NULLT if x is the root node. */
    DocID PrevText(treeNode x);
@@ -390,6 +399,10 @@ public:
    uchar* GetText(DocID d) {
       return Text->GetText(d);
    }
+
+   uchar* GetCachedText(DocID d) {
+     return (uchar*) (CachedText.at(d).c_str());
+   }
    
    TextCollection *getTextCollection() {
       return Text;