* http://cs.unibo.it/helm/.
*)
-(* "cic:/a/b/c.con" => [| "cic:/a" ; "cic:/a/b" ; "cic:/a/b/c.con" ; "c" |] *)
-type uri = string array;;
+(*
+ * "cic:/a/b/c.con" => ("cic:/a/b/c.con", id )
+ * "cic:/a/b/c.ind#xpointer(1/1)" => ("cic:/a/b/c.con#xpointer(1/1)", id)
+ * "cic:/a/b/c.ind#xpointer(1/1/1)" => ("cic:/a/b/c.con#xpointer(1/1/1)", id)
+ *)
+
+let fresh_id =
+ let id = ref 0 in
+ function () ->
+ incr id;
+ !id
+
+(* (uriwithxpointer, uniqueid)
+ * where uniqueid is used to build a set of uri *)
+type uri = string * int;;
let eq uri1 uri2 =
- 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)
- *)
-;;
+let string_of_uri (uri,_) =
+ uri
+
+let name_of_uri (uri, _) =
+ let xpointer_offset =
+ try String.rindex uri '#' with Not_found -> String.length uri - 1
+ in
+ let index1 = String.rindex_from uri xpointer_offset '/' + 1 in
+ let index2 = String.rindex uri '.' in
+ String.sub uri index1 (index2 - index1)
+
+let buri_of_uri (uri,_) =
+ let xpointer_offset =
+ try String.rindex uri '#' with Not_found -> String.length uri - 1
+ in
+ let index = String.rindex_from uri xpointer_offset '/' in
+ String.sub uri 0 index
module OrderedStrings =
struct
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
-;;
+module MapStringsToUri = Map.Make(OrderedStrings);;
+
+(* Invariant: the map is the identity function,
+ * i.e.
+ * let str' = (MapStringsToUri.find str !set_of_uri) in
+ * str' == (MapStringsToUri.find str' !set_of_uri)
+ *)
+let set_of_uri = ref MapStringsToUri.empty;;
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) =
- (try (List.hd tokens, List.tl tokens)
- with Failure "hd" | Failure "tl" ->
- raise (IllFormedUri str))
- in
- aux ty sp
-;;
+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 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 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 ->
+ 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
-let cicuri_of_uri uri =
- let completeuri = string_of_uri uri in
- let newcompleteuri =
- (Str.replace_first (Str.regexp "\.types$") ""
- (Str.replace_first (Str.regexp "\.ann$") "" completeuri))
- in
- if completeuri = newcompleteuri then
- uri
- else
- let newuri = Array.copy uri in
- newuri.(Array.length uri - 2) <- newcompleteuri ;
- newuri
-;;
-let annuri_of_uri uri =
- let completeuri = string_of_uri uri in
- if Str.string_match (Str.regexp ".*\.ann$") completeuri 0 then
- uri
+let strip_xpointer ((uri,_) as olduri) =
+ try
+ let index = String.rindex uri '#' in
+ let no_xpointer = String.sub uri 0 index in
+ uri_of_string no_xpointer
+ with
+ Not_found -> olduri
+
+let clear_suffix uri ?(pat2="",0) pat1 =
+ try
+ let index = String.rindex uri '.' in
+ let index' = index + 1 in
+ let suffix = String.sub uri index' (String.length uri - index') in
+ if fst pat1 = suffix || fst pat2 = suffix then
+ String.sub uri 0 index
+ else
+ uri
+ with
+ Not_found -> assert false
+
+let has_suffix uri (pat,n) =
+ try
+ let suffix = String.sub uri (String.length uri - n) n in
+ pat = suffix
+ with
+ Not_found -> assert false
+
+
+let cicuri_of_uri (uri, _) = uri_of_string (clear_suffix uri ~pat2:_types _ann)
+
+let annuri_of_uri (uri , _) = uri_of_string ((clear_suffix uri _ann) ^ _dotann)
+
+let uri_is_annuri (uri, _) = has_suffix uri _ann
+
+let uri_is_var (uri, _) = has_suffix uri _var
+
+let uri_is_con (uri, _) = has_suffix uri _con
+
+let uri_is_ind (uri, _) = has_suffix uri _ind
+
+let bodyuri_of_uri (uri, _) =
+ if has_suffix uri _con then
+ Some (uri_of_string (uri ^ _dotbody))
else
- let newuri = Array.copy uri in
- newuri.(Array.length uri - 2) <- completeuri ^ ".ann" ;
- newuri
+ None
;;
-let uri_is_annuri uri =
- Str.string_match (Str.regexp ".*\.ann$") (string_of_uri uri) 0
+(* 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
+ let suri =
+ match consno with
+ | None -> Printf.sprintf "%s%s%d)" uri _xpointer typeno
+ | Some n -> Printf.sprintf "%s%s%d/%d)" uri _xpointer typeno n
+ in
+ uri_of_string suri
+
+let compare (_,id1) (_,id2) = id1 - id2
+
+module OrderedUri =
+struct
+ type t = uri
+ let compare = compare (* the one above, not Pervasives.compare *)
+end
+
+module UriSet = Set.Make (OrderedUri)
+
+module HashedUri =
+struct
+ type t = uri
+ let equal = eq
+ let hash = snd
+end
+
+module UriHashtbl = Hashtbl.Make (HashedUri)
+
+
projects / helm.git / blobdiff