now baseuri is needed in each file (and its redefinition is forbidden)

[helm.git] / helm / matita / matitaTypes.ml

diff --git a/helm/matita/matitaTypes.ml b/helm/matita/matitaTypes.ml
index 800ae1c7e2c569bc1cb604c7ae5a32d5df16b9fd..9ed52f568dfd5dfe48444d45ea1a9566677063fd 100644 (file)
--- a/helm/matita/matitaTypes.ml
+++ b/helm/matita/matitaTypes.ml
@@ -126,7 +126,10 @@ let set_option status name value =
         with Failure _ ->
           command_error (sprintf "Not an integer value \"%s\"" value))
   in
-  { status with options = StringMap.add name value status.options }
+  if StringMap.mem name status.options && name = "baseuri" then
+    command_error "Redefinition of 'baseuri' is forbidden."
+  else
+    { status with options = StringMap.add name value status.options }
 
   (* subset of MatitaConsole.console methods needed by MatitaInterpreter *)
 class type console =
@@ -150,8 +153,8 @@ type mathViewer_entry =
   | `Check of string (* term *)
   | `Cic of Cic.term * Cic.metasenv
   | `Dir of string (* "directory" in cic uris namespace *)
-  | `Uri of string (* cic object uri *)
-  | `Whelp of string * string list (* query and results *)
+  | `Uri of UriManager.uri (* cic object uri *)
+  | `Whelp of string * UriManager.uri list (* query and results *)
   ]
 
 let string_of_entry = function
@@ -160,9 +163,17 @@ let string_of_entry = function
   | `About `Us -> "about:us"
   | `Check _ -> "check:"
   | `Cic (_, _) -> "term:"
-  | `Dir uri | `Uri uri -> uri
+  | `Dir uri -> uri
+  | `Uri uri -> UriManager.string_of_uri uri
   | `Whelp (query, _) -> query
 
+let entry_of_string = function
+  | "about:blank" -> `About `Blank
+  | "about:proof" -> `About `Current_proof
+  | "about:us"    -> `About `Us
+  | _ ->  (* only about entries supported ATM *)
+      raise (Invalid_argument "entry_of_string")
+
 class type mathViewer =
   object
     (** @param reuse if set reused last opened cic browser otherwise 
@@ -170,6 +181,6 @@ class type mathViewer =
      *)
     method show_entry: ?reuse:bool -> mathViewer_entry -> unit
     method show_uri_list:
-      ?reuse:bool -> entry:mathViewer_entry -> string list -> unit
+      ?reuse:bool -> entry:mathViewer_entry -> UriManager.uri list -> unit
   end