+(* 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/.
+ *)
+
+(* cut and paste from xml2Gdome.ml: there was the namespace problem.
+ This is a fst patch: we generate a fixed namespace for math *)
+let document_of_xml (domImplementation : Gdome.domImplementation) strm =
+ let module G = Gdome in
+ let module X = Xml in
+ let namespace = "http://www.w3.org/1998/Math/MathML" in
+ let root_name,root_attributes,root_content =
+ (*
+ ignore (Stream.next strm) ; (* to skip the <?xml ...?> declaration *)
+ ignore (Stream.next strm) ; (* to skip the DOCTYPE declaration *)
+ *)
+ match Stream.next strm with
+ X.Empty(n,l) -> n,l,[<>]
+ | X.NEmpty(n,l,c) -> n,l,c
+ | _ -> assert false
+ in
+ let document =
+ domImplementation#createDocument ~namespaceURI:(Some (Gdome.domString namespace))
+ ~qualifiedName:(Gdome.domString ("m:" ^ root_name)) ~doctype:None
+ in
+ document#get_documentElement#setAttribute (Gdome.domString "xmlns:m") (Gdome.domString namespace);
+ let rec aux (node : Gdome.node) =
+ parser
+ [< 'X.Str a ; s >] ->
+ let textnode = document#createTextNode ~data:(Gdome.domString a) in
+ ignore (node#appendChild ~newChild:(textnode :> Gdome.node)) ;
+ aux node s
+ | [< 'X.Empty(n,l) ; s >] ->
+ let element = document#createElementNS
+ ~namespaceURI:(Some (Gdome.domString namespace))
+ ~qualifiedName:(Gdome.domString ("m:" ^ n)) in
+ List.iter
+ (function (n,v) ->
+ let i =
+ (try String.index n ':'
+ with Not_found -> 0) in
+ if i = 0 then
+ element#setAttribute
+ ~name:(Gdome.domString n) ~value:(Gdome.domString v)
+ else
+ let ns_label = String.sub n 0 i in
+ let ns =
+ if ns_label = "helm" then "http://www.cs.unibo.it/helm"
+ else if ns_label = "xlink" then "http://www.w3.org/1999/xlink"
+ else assert false in
+ element#setAttributeNS
+ ~namespaceURI:(Some (Gdome.domString ns))
+ ~qualifiedName:(Gdome.domString n)
+ ~value:(Gdome.domString v)) l ;
+ ignore
+ (node#appendChild ~newChild:(element : Gdome.element :> Gdome.node)) ;
+ aux node s
+ | [< 'X.NEmpty(n,l,c) ; s >] ->
+ let element = document#createElementNS
+ ~namespaceURI:(Some (Gdome.domString namespace))
+ ~qualifiedName:(Gdome.domString ("m:" ^ n)) in
+ List.iter
+ (function (n,v) ->
+ let i =
+ (try String.index n ':'
+ with Not_found -> 0) in
+ if i = 0 then
+ element#setAttribute
+ ~name:(Gdome.domString n) ~value:(Gdome.domString v)
+ else
+ let ns_label = String.sub n 0 i in
+ let ns =
+ if ns_label = "helm" then "http://www.cs.unibo.it/helm"
+ else if ns_label = "xlink" then "http://www.w3.org/1999/xlink"
+ else assert false in
+ element#setAttributeNS
+ ~namespaceURI:(Some (Gdome.domString ns))
+ ~qualifiedName:(Gdome.domString n)
+ ~value:(Gdome.domString v)) l ;
+ ignore (node#appendChild ~newChild:(element :> Gdome.node)) ;
+ aux (element :> Gdome.node) c ;
+ aux node s
+ | [< >] -> ()
+ in
+ let root = document#get_documentElement in
+ List.iter (function (n,v) -> root#setAttribute
+ ~name:(Gdome.domString n) ~value:(Gdome.domString v)) root_attributes ;
+ aux (root : Gdome.element :> Gdome.node) root_content ;
+ document
+;;
+