+ let leaf text link =
+ "<img src=\"treeview/doc.gif\"/>\n" ^
+ "<a href=\"" ^ link ^ "\">" ^ text ^ "</a><br/>"
+ in
+
+ let rec aux path =
+ let dirlist = Array.to_list (Sys.readdir path) in
+ let subdirs = List.filter Sys.is_directory dirlist in
+ let scripts =
+ List.filter (fun x ->
+ try
+ let i = String.rindex x '.' in
+ not (Sys.is_directory x) && (String.sub x i 3 = ".ma")
+ with Not_found | Invalid_argument _ -> false) dirlist in
+ let subdirtags =
+ String.concat "\n" (List.map (fun x -> aux (path ^ "/" ^ x)) subdirs) in
+ let scripttags =
+ String.concat "\n"
+ (List.map (fun x -> leaf x (path ^ "/" ^ x)) scripts)
+ in
+ branch (Filename.basename path) (subdirtags ^ "\n" ^ scripttags)
+ in
+
+ let basedir = (Helm_registry.get "matita.rt_base_dir") ^ "/lib/" ^ uid ^ "/" in
+ let res = aux basedir in
+ prerr_endline "BEGIN TREE";prerr_endline res;prerr_endline "END TREE";
+ res
+;;