X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Furimanager%2FuriManager.ml;h=b4bf073e2733401ffe760a1aa5ab14ff444563c9;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=00cf4faa7a4775409eabdcb4d8610c9278a73329;hpb=cfff4940f12cd8f82c745e84403317b9eee964e7;p=helm.git diff --git a/helm/ocaml/urimanager/uriManager.ml b/helm/ocaml/urimanager/uriManager.ml index 00cf4faa7..b4bf073e2 100644 --- a/helm/ocaml/urimanager/uriManager.ml +++ b/helm/ocaml/urimanager/uriManager.ml @@ -24,28 +24,42 @@ *) (* -* "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;; + * "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 = - 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;; +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 @@ -54,128 +68,156 @@ module OrderedStrings = 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 xpointer = - 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) @ [xpointer] -;; +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 -> + 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 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 sharp_rex = - Str.regexp "#" -;; + +let cicuri_of_uri (uri, _) = uri_of_string (clear_suffix uri ~pat2:_types _ann) -let uri_of_string str = - 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 annuri_of_uri (uri , _) = uri_of_string ((clear_suffix uri _ann) ^ _dotann) -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 = - (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 - 3) <- newcompleteuri ; - newuri -;; +let uri_is_annuri (uri, _) = has_suffix uri _ann -let annuri_of_uri uri = - let completeuri = string_of_uri uri in - if Str.string_match (Str.regexp ".*\\.ann$") completeuri 0 then - uri - else - let newuri = Array.copy uri in - newuri.(Array.length uri - 3) <- completeuri ^ ".ann" ; - newuri -;; +let uri_is_var (uri, _) = has_suffix uri _var -let uri_is_annuri uri = - Str.string_match (Str.regexp ".*\\.ann$") (string_of_uri uri) 0 -;; +let uri_is_con (uri, _) = has_suffix uri _con + +let uri_is_ind (uri, _) = has_suffix uri _ind -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 - 3) <- struri ^ ".body" ; - Some newuri +let bodyuri_of_uri (uri, _) = + if has_suffix uri _con then + Some (uri_of_string (uri ^ _dotbody)) else - None + None ;; -let innertypesuri_of_uri uri = - let cicuri = cicuri_of_uri uri in - let newuri = Array.copy cicuri in - newuri.(Array.length cicuri - 3) <- (string_of_uri cicuri) ^ ".types" ; - newuri +(* 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 -type uriref = uri * (int list) +module UriHashtbl = Hashtbl.Make (HashedUri) -let string_of_uriref (uri, fi) = - let str = string_of_uri uri in - let xp t = "#xpointer(1/" ^ string_of_int (t + 1) in - match fi with - | [] -> str - | [t] -> str ^ xp t ^ ")" - | t :: c :: _ -> str ^ xp t ^ "/" ^ string_of_int c ^ ")"