+++ /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/.
- *)
-
-(******************************************************************************)
-(* *)
-(* PROJECT HELM *)
-(* *)
-(* Ferruccio Guidi <fguidi@cs.unibo.it> *)
-(* 30/04/2002 *)
-(* *)
-(* *)
-(******************************************************************************)
-
-
-(* text linearization and parsing *******************************************)
-
-let rec txt_list f s = function
- | [] -> ""
- | [a] -> f a
- | a :: tail -> f a ^ s ^ txt_list f s tail
-
-let txt_str s = "\"" ^ s ^ "\""
-
-let txt_path (p0, p1) =
- txt_str p0 ^ (if p1 <> [] then "/" ^ txt_list txt_str "/" p1 else "")
-
-let txt_svar sv = "%" ^ sv
-
-let txt_rvar rv = "@" ^ rv
-
-let txt_vvar vv = "$" ^ vv
-
-let text_of_query x =
- let module M = MathQL in
- let txt_inv i = if i then "inverse " else "" in
- let txt_ref = function
- | M.RefineExact -> ""
- | M.RefineSub -> "sub "
- | M.RefineSuper -> "super "
- in
- let txt_refpath i r p = txt_inv i ^ txt_ref r ^ txt_path p ^ " " in
- let txt_assign (pl, pr) = txt_vvar (fst pl) ^ " <- " ^ txt_path pr in
- let rec txt_val = function
- | M.Const [s] -> txt_str s
- | M.Const l -> "{" ^ txt_list txt_str ", " l ^ "}"
- | M.VVar vv -> txt_vvar vv
- | M.Record (rv, p) -> txt_rvar rv ^ "." ^ txt_vvar (fst p)
- | M.Fun (s, x) -> "fun " ^ txt_str s ^ " " ^ txt_val x
- | M.Property (i, r, p, x) -> "property " ^ txt_refpath i r p ^ txt_val x
- | M.RefOf x -> "refof " ^ txt_set x
- and txt_boole = function
- | M.False -> "false"
- | M.True -> "true"
- | M.Ex b x -> "ex " ^ txt_boole x
-(* | M.Ex b x -> "ex [" ^ txt_list txt_rvar "," b ^ "] " ^ txt_boole x
-*) | M.Not x -> "not " ^ txt_boole x
- | M.And (x, y) -> "(" ^ txt_boole x ^ " and " ^ txt_boole y ^ ")"
- | M.Or (x, y) -> "(" ^ txt_boole x ^ " or " ^ txt_boole y ^ ")"
- | M.Sub (x, y) -> "(" ^ txt_val x ^ " sub " ^ txt_val y ^ ")"
- | M.Meet (x, y) -> "(" ^ txt_val x ^ " meet " ^ txt_val y ^ ")"
- | M.Eq (x, y) -> "(" ^ txt_val x ^ " eq " ^ txt_val y ^ ")"
- and txt_set = function
- | M.SVar sv -> txt_svar sv
- | M.RVar rv -> txt_rvar rv
- | M.Relation (i, r, p, M.Ref x, []) -> "relation " ^ txt_refpath i r p ^ txt_val x
- | M.Relation (i, r, p, M.Ref x, l) -> "relation " ^ txt_refpath i r p ^ txt_val x ^ " attr " ^ txt_list txt_assign ", " l
- | M.Union (x, y) -> "(" ^ txt_set x ^ " union " ^ txt_set y ^ ")"
- | M.Intersect (x, y) -> "(" ^ txt_set x ^ " intersect " ^ txt_set y ^ ")"
- | M.Diff (x, y) -> "(" ^ txt_set x ^ " diff " ^ txt_set y ^ ")"
- | M.LetSVar (sv, x, y) -> "let " ^ txt_svar sv ^ " be " ^ txt_set x ^ " in " ^ txt_set y
- | M.LetVVar (vv, x, y) -> "let " ^ txt_vvar vv ^ " be " ^ txt_val x ^ " in " ^ txt_set y
- | M.Select (rv, x, y) -> "select " ^ txt_rvar rv ^ " in " ^ txt_set x ^ " where " ^ txt_boole y
- | M.Pattern x -> "pattern " ^ txt_val x
- | M.Ref x -> "ref " ^ txt_val x
- | _ -> assert false
- in
- txt_set x
-
-let text_of_result x sep =
- let txt_attr = function
- | (p, []) -> txt_vvar (fst p)
- | (p, l) -> txt_vvar (fst p) ^ " = " ^ txt_list txt_str ", " l
- in
- let txt_group l = "{" ^ txt_list txt_attr "; " l ^ "}" in
- let txt_res = function
- | (s, []) -> txt_str s
- | (s, l) -> txt_str s ^ " attr " ^ txt_list txt_group ", " l
- in
- let txt_set l = txt_list txt_res ("; " ^ sep) l ^ sep in
- txt_set x
-
-let query_of_text lexbuf =
- MQueryTParser.query MQueryTLexer.query_token lexbuf
-
-let result_of_text lexbuf =
- MQueryTParser.result MQueryTLexer.result_token lexbuf
-
-(* conversion functions *****************************************************)
-
-type uriref = UriManager.uri * (int list)
-
-let string_of_uriref (uri, fi) =
- let module UM = UriManager in
- let str = UM.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 ^ ")"
projects / helm.git / blobdiff