X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Furimanager%2FuriManager.ml;h=a4d2604851bf11a85077be94542efc729060075a;hb=3605d724ae0b95e17e668b6e140c35ab19568bb2;hp=3028cf2b9b37e5d527bf35e6d89a07ed23ea7f72;hpb=9c63adaf9bd7a10eb9f7450528d7895115ee533e;p=helm.git

diff --git a/helm/ocaml/urimanager/uriManager.ml b/helm/ocaml/urimanager/uriManager.ml
index 3028cf2b9..a4d260485 100644
--- a/helm/ocaml/urimanager/uriManager.ml
+++ b/helm/ocaml/urimanager/uriManager.ml
@@ -23,17 +23,32 @@
  * http://cs.unibo.it/helm/.
  *)
 
-(* "cic:/a/b/c.con" => [| "cic:/a" ; "cic:/a/b" ; "cic:/a/b/c.con" ; "c" |] *)
+(*
+* "cic:/a/b/c.con" => [| "cic:/a" ; "cic:/a/b" ; "cic:/a/b/c.con" ; "c"; "" |]
+* "cic:/a/b/c.ind#xpointer(1/1)" =>
+*   [| "cic:/a" ; "cic:/a/b" ; "cic:/a/b/c.con" ; "c"; "#xpointer(1/1)" |]
+* "cic:/a/b/c.ind#xpointer(1/1/1)" =>
+*   [| "cic:/a" ; "cic:/a/b" ; "cic:/a/b/c.con" ; "c"; "#xpointer(1/1/1)" |]
+*)
 type uri = string array;;
 
 let eq uri1 uri2 =
  uri1 == uri2
 ;;
 
-let string_of_uri uri = uri.(Array.length uri - 2);;
-let name_of_uri uri = uri.(Array.length uri - 1);;
-let buri_of_uri uri = uri.(Array.length uri - 3);;
-let depth_of_uri uri = Array.length uri - 2;;
+
+let string_of_uri uri =
+  match  uri.(Array.length uri - 1) with
+  | "" -> 
+      uri.(Array.length uri - 3)
+  | _ -> 
+      String.concat "#" 
+        [ uri.(Array.length uri - 3); uri.(Array.length uri - 1) ]
+
+
+let name_of_uri uri = uri.(Array.length uri - 2);;
+let buri_of_uri uri = uri.(Array.length uri - 4);;
+let depth_of_uri uri = Array.length uri - 3;;
 
 module OrderedStrings =
  struct
@@ -62,7 +77,7 @@ let normalize prefix =
 
 exception IllFormedUri of string;;
 
-let mk_prefixes str =
+let mk_prefixes str xpointer =
  let rec aux curi =
   function
      [he] ->
@@ -81,19 +96,37 @@ let mk_prefixes str =
      with Failure "hd" | Failure "tl" ->
       raise (IllFormedUri str))
     in
-    aux ty sp
+    (aux ty sp) @ [xpointer]
+;;
+
+
+let sharp_rex = 
+  Str.regexp "#"
 ;;
 
 let uri_of_string str =
- try
-  SetOfStrings.find str !set_of_uri
- with
-  Not_found ->
-   let uri = Array.of_list (mk_prefixes str) in
-    set_of_uri := SetOfStrings.add str uri !set_of_uri ;
-    uri
+  let base, xpointer =
+    match Str.split sharp_rex str with
+    | [base] -> base,""
+    | [base; xpointer] -> base,xpointer 
+    | _ -> raise (IllFormedUri str)
+  in
+   try
+    SetOfStrings.find str !set_of_uri
+   with
+    Not_found ->
+      let uri = Array.of_list (mk_prefixes base xpointer) in
+      set_of_uri := SetOfStrings.add str uri !set_of_uri ;
+      uri
 ;;
 
+let strip_xpointer uri =
+  let stripped_uri = Array.copy uri in
+  stripped_uri.(Array.length uri - 1) <- "";  (* reset xpointer field *)
+  let stripped_uri_str = string_of_uri stripped_uri in
+  set_of_uri := SetOfStrings.add stripped_uri_str stripped_uri !set_of_uri;
+  stripped_uri
+
 let cicuri_of_uri uri =
  let completeuri = string_of_uri uri in
   let newcompleteuri = 
@@ -104,7 +137,7 @@ let cicuri_of_uri uri =
     uri
    else
     let newuri = Array.copy uri in
-     newuri.(Array.length uri - 2) <- newcompleteuri ;
+     newuri.(Array.length uri - 3) <- newcompleteuri ;
      newuri
 ;;
 
@@ -114,7 +147,7 @@ let annuri_of_uri uri =
    uri
   else
    let newuri = Array.copy uri in
-    newuri.(Array.length uri - 2) <- completeuri ^ ".ann" ;
+    newuri.(Array.length uri - 3) <- completeuri ^ ".ann" ;
     newuri
 ;;
 
@@ -126,7 +159,7 @@ let bodyuri_of_uri uri =
  let struri = string_of_uri uri in
   if Str.string_match (Str.regexp ".*\\.con$") (string_of_uri uri) 0 then
    let newuri = Array.copy uri in
-    newuri.(Array.length uri - 2) <- struri ^ ".body" ;
+    newuri.(Array.length uri - 3) <- struri ^ ".body" ;
     Some newuri
   else
    None
@@ -135,7 +168,7 @@ let bodyuri_of_uri uri =
 let innertypesuri_of_uri uri =
  let cicuri = cicuri_of_uri uri in
   let newuri = Array.copy cicuri in
-   newuri.(Array.length cicuri - 2) <- (string_of_uri cicuri) ^ ".types" ;
+   newuri.(Array.length cicuri - 3) <- (string_of_uri cicuri) ^ ".types" ;
    newuri
 ;;
 
@@ -149,3 +182,16 @@ let string_of_uriref (uri, fi) =
       | [t]         -> str ^ xp t ^ ")" 
       | t :: c :: _ -> str ^ xp t ^ "/" ^ string_of_int c ^ ")" 
 
+let compare u1 u2 =
+  let su1 = string_of_uri u1 in
+  let su2 = string_of_uri u2 in
+  Pervasives.compare su1 su2
+
+module OrderedUri =
+struct
+  type t = uri
+  let compare = compare (* the one above, not Pervasives.compare *)
+end
+
+module UriSet = Set.Make (OrderedUri)
+