File: xml_print_duce.ml

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tyxml 2.1-1
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(* TyXML
 * http://www.ocsigen.org/tyxml
 * Copyright (C) 2010 Jaap Boender
 * Copyright (C) 2011 Pierre Chambart, Grégoire Henry
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, with linking exception;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This program 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02111-1307, USA.
 *)

(** Pretty printer for XHTML with Ocamlduce that handles browser specificities properly. *)

module Make(I: sig val emptytags : string list end) = struct

  let print_list
      ~output
      ?(encode = Xml_print.encode_unsafe_char)
      (v: Ocamlduce.Load.anyxml list) : unit =

    let open_markup tag attrs =
      output ("<" ^ tag);
      List.iter
	(fun (n, v) ->
	  output " "; output n; output "=\""; output (encode v); output "\"")
	attrs
    in
    List.iter
      (Ocamlduce.Print.serialize
	 ~start_elem:(fun tag attrs -> open_markup tag attrs; output ">")
	 ~end_elem:(fun tag -> output ("</" ^ tag ^ ">"))
	 ~empty_elem:(fun tag attrs ->
	   if I.emptytags = [] || List.mem tag I.emptytags then
	     (open_markup tag attrs; output " />")
	   else
	     (open_markup tag attrs; output ("></" ^ tag ^ ">")))
	 ~text:(fun v -> output (encode v)))
      v

end

(* module MakeTypedRaw(Typed_xml : Xml_sigs_duce.Typed_xml) = struct *)

  (* module P = Make(Typed_xml.Info) *)

  (* type elt *)
  (* type doc *)

  (* let print_list ~output ?(encode = Xml_print.encode_unsafe_char) elts = *)
    (* P.print_list ~output ~encode elts *)

  (* (\* let print ~(output: string  -> unit) ?(encode = Xml_print.encode_unsafe_char) ?(advert = "") *\) *)
      (* doc = *)
    (* output Typed_xml.Info.doctype; *)
    (* if advert <> "" then output ("<!-- " ^ advert ^ " -->\n"); *)
    (* P.print_list ~output ~encode [doc] *)

(* end *)

module Make_typed(Typed_xml : Xml_sigs_duce.Typed_xml) = struct

  module P = Make(Typed_xml.Info)

  type elt = Typed_xml.elt
  type doc = Typed_xml.doc

  let print_list ~output ?(encode = Xml_print.encode_unsafe_char) elts =
    P.print_list ~output ~encode (List.map Typed_xml.of_elt elts)

  let print ~(output: string  -> unit) ?(encode = Xml_print.encode_unsafe_char) ?(advert = "")
      doc =
    output Typed_xml.Info.doctype;
    if advert <> "" then output ("<!-- " ^ advert ^ " -->\n");
    P.print_list ~output ~encode [Typed_xml.of_doc doc]

end


let print ~output ?(encode = Xml_print.encode_unsafe_char) elt =
  let module P = Make(struct let emptytags = [] end) in
  P.print_list ~output ~encode [elt]