+++ /dev/null
-(* Copyright (C) 2000, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
- *)
-
-(* $Id$ *)
-
-(*
- * "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
-;;
-
-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
- type t = string
- let compare (s1 : t) (s2 : t) = compare s1 s2
- end
-;;
-
-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 _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 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
- None
-;;
-
-(* 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