X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=tag.ml;h=f9c02756bfb81831861ea8a026c143ce7c5e59fa;hb=70ff0bfc463882ecf233f1b1a7ac4a8007fa4cc2;hp=c500dab730c4d94b795468cc88f61aa92da6a8b7;hpb=09870a49122b3d7048422818dbb0a038513b4d14;p=SXSI%2Fxpathcomp.git

diff --git a/tag.ml b/tag.ml
index c500dab..f9c0275 100644
--- a/tag.ml
+++ b/tag.ml
@@ -17,8 +17,11 @@ external tag_name : pool -> t -> string = "caml_xml_tree_tag_name"
 
 let nullt = null_tag ()   
 (* Defined in XMLTree.cpp *)
-let pcdata = 1
-let attribute = 0 
+let document_node = 0
+let attribute = 1
+let pcdata = 2
+let attribute_data= 3
+
 
 let pool = Weak.create 1
 
@@ -31,6 +34,8 @@ let get_pool () =  match Weak.get pool 0 with
 let tag s = match s with
   | "<$>" -> pcdata
   | "<@>" -> attribute
+  | "" -> document_node
+  | "<@$>" -> attribute_data
   | _ -> register_tag (get_pool()) s
 
 let compare = (-)
@@ -41,6 +46,7 @@ let hash x = x
 
 let to_string t = 
   if t == pcdata then "<$>"
+  else if t == attribute_data then "<@$>"
   else if t == attribute then "<@>"
   else if t == nullt then "<!NIL!>"
   else tag_name (get_pool()) t