+++ /dev/null
-(* "cic:/a/b/c.con" => [| "cic:/a" ; "cic:/a/b" ; "cic:/a/b/c.con" ; "c" |] *)
-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;;
-
-(*CSC: ora e' diventato poco efficiente, migliorare *)
-let relative_depth curi uri cookingsno =
- let rec length_of_current_prefix l1 l2 =
- match (l1, l2) with
- (he1::tl1, he2::tl2) when he1 == he2 ->
- 1 + length_of_current_prefix tl1 tl2
- | (_,_) -> 0
- in
- depth_of_uri uri -
- length_of_current_prefix
- (Array.to_list (Array.sub curi 0 (Array.length curi - (2 + cookingsno))))
- (Array.to_list (Array.sub uri 0 (Array.length uri - 2)))
- (*CSC: vecchio codice da eliminare
- if eq curi uri then 0
- else
- depth_of_uri uri -
- length_of_current_prefix (Array.to_list curi) (Array.to_list uri)
- *)
-;;
-
-module OrderedStrings =
- struct
- type t = string
- let compare (s1 : t) (s2 : t) = compare s1 s2
- end
-;;
-
-module SetOfStrings = Map.Make(OrderedStrings);;
-
-(*CSC: commento obsoleto ed errato *)
-(* Invariant: the map is the identity function, *)
-(* i.e. (SetOfStrings.find str !set_of_uri) == str *)
-let set_of_uri = ref SetOfStrings.empty;;
-let set_of_prefixes = ref SetOfStrings.empty;;
-
-(* similar to uri_of_string, but used for prefixes of uris *)
-let normalize prefix =
- try
- SetOfStrings.find prefix !set_of_prefixes
- with
- Not_found ->
- set_of_prefixes := SetOfStrings.add prefix prefix !set_of_prefixes ;
- prefix
-;;
-
-exception IllFormedUri of string;;
-
-let mk_prefixes str =
- let rec aux curi =
- function
- [he] ->
- let prefix_uri = curi ^ "/" ^ he
- and name = List.hd (Str.split (Str.regexp "\.") he) in
- [ normalize prefix_uri ; name ]
- | he::tl ->
- let prefix_uri = curi ^ "/" ^ he in
- (normalize prefix_uri)::(aux prefix_uri tl)
- | _ -> raise (IllFormedUri str)
- in
- let tokens = (Str.split (Str.regexp "/") str) in
- (* ty = "cic:" *)
- let (ty, sp) = (List.hd tokens, List.tl tokens) in
- aux ty sp
-;;
-
-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
-;;