X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Furimanager%2FuriManager.ml;h=b4bf073e2733401ffe760a1aa5ab14ff444563c9;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=b8da7d91eddec50f086251bf863da6df40f99e66;hpb=c63e8332bdded20ff61d47bd5951a80c29b41942;p=helm.git

diff --git a/helm/ocaml/urimanager/uriManager.ml b/helm/ocaml/urimanager/uriManager.ml
index b8da7d91e..b4bf073e2 100644
--- a/helm/ocaml/urimanager/uriManager.ml
+++ b/helm/ocaml/urimanager/uriManager.ml
@@ -77,16 +77,63 @@ module MapStringsToUri = Map.Make(OrderedStrings);;
  *)
 let set_of_uri = ref MapStringsToUri.empty;;
 
+exception IllFormedUri of string;;
+
+let _dottypes = ".types"
+let _types = "types",5
+let _dotuniv = ".univ"
+let _univ = "univ",4
+let _dotann = ".ann"
+let _ann = "ann",3
+let _var = "var",3
+let _dotbody = ".body"
+let _con = "con",3
+let _ind = "ind",3
+let _xpointer = "#xpointer(1/"
+let _con3 = "con"
+let _var3 = "var"
+let _ind3 = "ind"
+let _ann3 = "ann"
+let _univ4 = "univ"
+let _types5 = "types"
+let _xpointer8 = "xpointer"
+let _cic5 = "cic:/"
+
+let is_malformed suri =
+  try 
+    if String.sub suri 0 5 <> _cic5 then true
+    else
+      let len = String.length suri - 5 in
+      let last5 = String.sub suri len 5 in
+      let last4 = String.sub last5 1 4 in
+      let last3 = String.sub last5 2 3 in
+      if last3 = _con3 || last3 = _var3 || last3 = _ind3 || 
+         last3 = _ann3 || last5 = _types5 || last5 = _dotbody ||
+         last4 = _univ4 then 
+           false
+      else 
+        try
+          let index = String.rindex suri '#' + 1 in
+          let xptr = String.sub suri index 8 in
+          if xptr = _xpointer8 then
+            false
+          else
+            true
+        with Not_found -> true
+  with Invalid_argument _ -> true
+    
 (* hash conses an uri *)
 let uri_of_string suri =
   try
     MapStringsToUri.find suri !set_of_uri
   with Not_found -> 
-    let new_uri = suri, fresh_id () in
-    set_of_uri := MapStringsToUri.add suri new_uri !set_of_uri;
-    new_uri
+    if is_malformed suri then
+      raise (IllFormedUri suri) 
+    else
+      let new_uri = suri, fresh_id () in
+      set_of_uri := MapStringsToUri.add suri new_uri !set_of_uri;
+      new_uri
 
-exception IllFormedUri of string;;
 
 let strip_xpointer ((uri,_) as olduri) =
   try 
@@ -115,14 +162,6 @@ let has_suffix uri (pat,n) =
   with
     Not_found -> assert false
 
-let _dottypes = ".types"
-let _types = "types",5
-let _ann = "ann",3
-let _dotann = ".ann"
-let _var = "var",3
-let _dotbody = ".body"
-let _con = "con",3
-let _xpointer = "#xpointer(1/"
  
 let cicuri_of_uri (uri, _) = uri_of_string (clear_suffix uri ~pat2:_types _ann)
 
@@ -134,6 +173,8 @@ let uri_is_var (uri, _) = has_suffix uri _var
 
 let uri_is_con (uri, _) = has_suffix uri _con
 
+let uri_is_ind (uri, _) = has_suffix uri _ind
+
 let bodyuri_of_uri (uri, _) =
   if has_suffix uri _con then
     Some (uri_of_string (uri ^ _dotbody))
@@ -141,9 +182,15 @@ let bodyuri_of_uri (uri, _) =
     None
 ;;
 
+(* these are bugged!
+ * we should remove _types, _univ, _ann all toghether *)
 let innertypesuri_of_uri (uri, _) =
   uri_of_string ((clear_suffix uri _types) ^ _dottypes)
 ;;
+let univgraphuri_of_uri (uri,_) = 
+  uri_of_string ((clear_suffix uri _univ) ^ _dotuniv)
+;;
+  
 
 let uri_of_uriref (uri, _) typeno consno =
   let typeno = typeno + 1 in
@@ -164,3 +211,13 @@ end
 
 module UriSet = Set.Make (OrderedUri)
 
+module HashedUri =
+struct
+  type t = uri
+  let equal = eq
+  let hash = snd
+end
+
+module UriHashtbl = Hashtbl.Make (HashedUri)
+
+