X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2FnodeSet.ml;h=c2265b2d7430f1ee5b4b4cbcc6971e04acdbee10;hb=refs%2Fheads%2Fnon-regression-tests;hp=944f85c0dfae609a31072e1a6d47f7691abbd204;hpb=35b9abd60699383b0cebf25e905049d3d7027271;p=SXSI%2Fxpathcomp.git

diff --git a/src/nodeSet.ml b/src/nodeSet.ml
index 944f85c..c2265b2 100644
--- a/src/nodeSet.ml
+++ b/src/nodeSet.ml
@@ -52,7 +52,12 @@ module Count : S with type t = int =
     let fold _ _ _ = failwith "fold not implemented"
     let map _ _ = failwith "map not implemented"
     let length x = x
-    let serialize _ _ _ = ()
+    let serialize f _ x =
+      let o = open_out f in
+      output_string o "<xml_result>\n";
+      output_string o (string_of_int x);
+      output_string o "\n</xml_result>\n";
+      close_out o
   end
 
 type  clist =
@@ -117,13 +122,13 @@ module Mat : S with type t = Tree.node mat =
       if Tree.tag tree t == tag then t
       else Tree.tagged_descendant tree t tag
 
-    let fst_element tree t =
+(*
+  let fst_element tree t =
       let tag = Tree.tag tree t in
-      let t = if Ptset.Int.mem tag
-	  (Ptset.Int.remove Tag.document_node (Tree.element_tags tree))
-	then t
-	else Tree.first_element tree t
-      in Tree.first_element tree t
+      if tag == Tag.document_node then
+        Tree.first_element tree t
+      else t
+*)
 
     let element_fold f tree t acc =
       let rec loop node acc =
@@ -133,17 +138,11 @@ module Mat : S with type t = Tree.node mat =
 	  let acc' = loop (Tree.first_element tree node) acc in
 	    loop (Tree.next_element tree node) acc'
       in
-	loop (fst_element tree t) acc
+      let t' = Tree.first_element tree t in loop t' acc
 
     let element_iter f tree t =
-      let rec loop node =
-	if node != Tree.nil then begin
-	  f node;
-	  loop (Tree.first_element tree node);
-	  loop (Tree.next_element tree node)
-	end
-      in
-      let t' = fst_element tree t in loop t'
+      let newf = fun e () -> f e in
+      element_fold newf tree t ()
 
     let tag_fold f tree t tag acc =
       let rec loop close node acc =
@@ -200,8 +199,10 @@ module Mat : S with type t = Tree.node mat =
 	  Unix.close
       in
       ignore (Unix.write fd "<xml_result>\n" 0 13);
-      iter (fun node -> Tree.print_xml v node fd) l;
-      Tree.flush v fd;
+      if l.length > 0 then begin
+	iter (fun node -> Tree.print_xml v node fd) l;
+	Tree.flush v fd;
+      end;
       ignore (Unix.write fd "</xml_result>\n" 0 14);
       finish fd