(* Copyright (C) 2000-2002, 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                                 *)
(*                                                                            *)
(*                Claudio Sacerdoti Coen <sacerdot@cs.unibo.it>               *)
(*                                 30/01/2002                                 *)
(*                                                                            *)
(*                                                                            *)
(******************************************************************************)

(** stylesheets and parameters list **)

let parseStyle name =
 let style =
  Misc.domImpl#createDocumentFromURI
   (* ~uri:("http://phd.cs.unibo.it:8081/getxslt?uri=" ^ name) ?mode:None *)
   ~uri:("styles/" ^ name) ()
 in
  Gdome_xslt.processStylesheet style
;;

let parseStyles () =
 parseStyle "drop_coercions.xsl",
 parseStyle "objtheorycontent.xsl",
 parseStyle "content_to_html.xsl",
 parseStyle "link.xsl",
 parseStyle "rootcontent.xsl",
 parseStyle "genmmlid.xsl",
 parseStyle "annotatedpres.xsl"
;;

let (d_c,tc1,hc2,l,c1,g,c2) =
 let (d_c,tc1,hc2,l,c1,g,c2) = parseStyles () in
  ref d_c, ref tc1, ref hc2, ref l, ref c1, ref g, ref c2
;;

let reload_stylesheets () =
 let (d_c',tc1',hc2',l',c1',g',c2') = parseStyles () in
  d_c := d_c';
  tc1 := tc1';
  hc2 := hc2';
  l   := l'  ;
  c1  := c1' ;
  g   := g'  ;
  c2  := c2'
;;


let getterURL = Configuration.getter_url;;
let processorURL = Configuration.processor_url;;

let mml_styles = [d_c ; c1 ; g ; c2 ; l];;
let mml_args ~explode_all =
 ("explodeall",(if explode_all then "true()" else "false()"))::
  ["processorURL", "'" ^ processorURL ^ "'" ;
   "getterURL", "'" ^ getterURL ^ "'" ;
   "draw_graphURL", "'http%3A//phd.cs.unibo.it%3A8083/'" ;
   "uri_set_queueURL", "'http%3A//phd.cs.unibo.it%3A8084/'" ;
   "UNICODEvsSYMBOL", "'symbol'" ;
   "doctype-public", "'-//W3C//DTD%20XHTML%201.0%20Transitional//EN'" ;
   "encoding", "'iso-8859-1'" ;
   "media-type", "'text/html'" ;
   "keys", "'d_c%2CC1%2CG%2CC2%2CL'" ;
   "interfaceURL", "'http%3A//phd.cs.unibo.it/helm/html/cic/index.html'" ;
   "naturalLanguage", "'yes'" ;
   "annotations", "'no'" ;
   "URLs_or_URIs", "'URIs'" ;
   "topurl", "'http://phd.cs.unibo.it/helm'" ;
   "CICURI", "'cic:/Coq/Init/Datatypes/bool_ind.con'" ]
;;

let sequent_styles = [d_c ; c1 ; g ; c2 ; l];;
let sequent_args =
 ["processorURL", "'" ^ processorURL ^ "'" ;
  "getterURL", "'" ^ getterURL ^ "'" ;
  "draw_graphURL", "'http%3A//phd.cs.unibo.it%3A8083/'" ;
  "uri_set_queueURL", "'http%3A//phd.cs.unibo.it%3A8084/'" ;
  "UNICODEvsSYMBOL", "'symbol'" ;
  "doctype-public", "'-//W3C//DTD%20XHTML%201.0%20Transitional//EN'" ;
  "encoding", "'iso-8859-1'" ;
  "media-type", "'text/html'" ;
  "keys", "'d_c%2CC1%2CG%2CC2%2CL'" ;
  "interfaceURL", "'http%3A//phd.cs.unibo.it/helm/html/cic/index.html'" ;
  "naturalLanguage", "'no'" ;
  "annotations", "'no'" ;
  "explodeall", "true()" ;
  "URLs_or_URIs", "'URIs'" ;
  "topurl", "'http://phd.cs.unibo.it/helm'" ;
  "CICURI", "'cic:/Coq/Init/Datatypes/bool_ind.con'" ]
;;

(** Stylesheets application **)

let apply_stylesheets input styles args =
 List.fold_left (fun i style -> Gdome_xslt.applyStylesheet i !style args)
  input styles
;;

let apply_proof_stylesheets proof_doc ~explode_all =
 apply_stylesheets proof_doc mml_styles (mml_args ~explode_all)
;;

let apply_sequent_stylesheets sequent_doc =
 apply_stylesheets sequent_doc sequent_styles sequent_args
;;

(** Utility functions to map objects to MathML Presentation **)

(*CSC: the getter should handle the innertypes, not the FS *)

let innertypesfile =
 try
  Sys.getenv "GTOPLEVEL_INNERTYPESFILE"
 with
  Not_found -> "/public/innertypes"
;;

let constanttypefile =
 try
  Sys.getenv "GTOPLEVEL_CONSTANTTYPEFILE"
 with
  Not_found -> "/public/constanttype"
;;

let mml_of_cic_sequent metasenv sequent =
 let sequent_gdome,ids_to_terms,ids_to_father_ids,ids_to_hypotheses =
  SequentPp.XmlPp.print_sequent metasenv sequent in
 let sequent_doc =
  Xml2Gdome.document_of_xml Misc.domImpl sequent_gdome in
 let sequent_mml = apply_sequent_stylesheets sequent_doc in
  sequent_mml,(ids_to_terms,ids_to_father_ids,ids_to_hypotheses)
;;

let
 mml_of_cic_object ~explode_all uri annobj ids_to_inner_sorts ids_to_inner_types
=
(*CSC: ????????????????? *)
 let xml, bodyxml =
  Cic2Xml.print_object uri ~ids_to_inner_sorts ~ask_dtd_to_the_getter:true
   annobj 
 in
 let xmlinnertypes =
  Cic2Xml.print_inner_types uri ~ids_to_inner_sorts ~ids_to_inner_types
   ~ask_dtd_to_the_getter:true
 in
  let input =
   match bodyxml with
      None -> Xml2Gdome.document_of_xml Misc.domImpl xml
    | Some bodyxml' ->
       Xml.pp xml (Some constanttypefile) ;
       Xml2Gdome.document_of_xml Misc.domImpl bodyxml'
  in
(*CSC: We save the innertypes to disk so that we can retrieve them in the  *)
(*CSC: stylesheet. This DOES NOT work when UWOBO and/or the getter are not *)
(*CSC: local.                                                              *)
   Xml.pp xmlinnertypes (Some innertypesfile) ;
   let output = apply_proof_stylesheets input ~explode_all in
    output
;;