+++ /dev/null
-(* 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/.
- *)
-
-let myprerr_endline = prerr_endline;;
-let prerr_endline _ = ();;
-
-let mathmlns = "http://www.w3.org/1998/Math/MathML";;
-let xmldiffns = "http://helm.cs.unibo.it/XmlDiff";;
-let helmns = "http://www.cs.unibo.it/helm";;
-
-type highlighted_nodes = Gdome.node list;;
-
-let rec make_visible (n: Gdome.node) =
- match n#get_parentNode with
- None -> ()
- | Some p ->
- match p#get_namespaceURI, p#get_localName with
- Some nu, Some ln when
- nu#to_string = mathmlns && ln#to_string = "maction" ->
- (new Gdome.element_of_node p)#setAttribute
- ~name:(Gdome.domString "selection")
- ~value:(Gdome.domString "2") ;
- make_visible p
- | _,_ -> make_visible p
-;;
-
-let highlight_node ?(color="yellow") (doc: Gdome.document) (n: Gdome.node) =
- let highlight (n: Gdome.node) =
- let highlighter =
- doc#createElementNS
- ~namespaceURI:(Some (Gdome.domString mathmlns))
- ~qualifiedName:(Gdome.domString "m:mstyle")
- in
- highlighter#setAttribute ~name:(Gdome.domString "mathbackground")
- ~value:(Gdome.domString color) ;
- highlighter#setAttributeNS
- ~namespaceURI:(Some (Gdome.domString xmldiffns))
- ~qualifiedName:(Gdome.domString "xmldiff:type")
- ~value:(Gdome.domString "fake") ;
- let parent =
- match n#get_parentNode with
- None -> assert false
- | Some p -> p
- in
- ignore
- (parent#replaceChild ~oldChild:n ~newChild:(highlighter :> Gdome.node)) ;
- ignore (highlighter#appendChild n) ;
- (highlighter :> Gdome.node)
- in
- let rec find_mstylable_node n =
- match n#get_namespaceURI, n#get_localName with
- Some nu, Some ln when
- nu#to_string = mathmlns &&
- let ln = ln#to_string in
- ln <> "mtr" && ln <> "mtd" -> n
- | Some nu, Some ln when
- nu#to_string = mathmlns &&
- let ln = ln#to_string in
- ln = "mtr" || ln = "mtd" ->
-prerr_endline "@@@ find_mstylable_node scendo";
- let true_child =
- match n#get_firstChild with
- None -> assert false
- | Some n -> n
- in
- find_mstylable_node true_child
- | _,_ ->
-prerr_endline ("@@@ find_mstylable_node salgo da " ^ match n#get_localName with Some n -> n#to_string | None -> "_") ;
- match n#get_parentNode with
- None -> assert false
- | Some p -> find_mstylable_node p
- in
- let highlighter = highlight (find_mstylable_node n) in
- make_visible highlighter ;
- highlighter
-;;
-
-let highlight_nodes ~xrefs (doc:Gdome.document) =
- let highlighted = ref [] in
- let rec aux (n:Gdome.element) =
- if
- List.mem
- (n#getAttributeNS ~namespaceURI:(Gdome.domString helmns)
- ~localName:(Gdome.domString "xref"))#to_string
- xrefs
- then
- highlighted :=
- (highlight_node ~color:"#00ff00"(* light green *) doc (n :> Gdome.node))::
- !highlighted ;
- let children = n#get_childNodes in
- for i = 0 to children#get_length - 1 do
- match children#item i with
- None -> assert false
- | Some n ->
- if n#get_nodeType = GdomeNodeTypeT.ELEMENT_NODE then
- aux (new Gdome.element_of_node n)
- done
- in
- aux doc#get_documentElement ;
- !highlighted
-;;
-
-let dim_nodes =
- List.iter
- (function (n : Gdome.node) ->
- assert
- (n#get_nodeType = GdomeNodeTypeT.ELEMENT_NODE &&
- ((new Gdome.element_of_node n)#getAttributeNS
- ~namespaceURI:(Gdome.domString xmldiffns)
- ~localName:(Gdome.domString "type"))#to_string = "fake") ;
- let true_child =
- match n#get_firstChild with
- None -> assert false
- | Some n -> n in
- let p =
- match n#get_parentNode with
- None -> assert false
- | Some n -> n
- in
- ignore (p#replaceChild ~oldChild:n ~newChild:true_child)
- )
-;;
-
-let update_dom ~(from : Gdome.document) (d : Gdome.document) =
- let rec aux (p: Gdome.node) (f: Gdome.node) (t: Gdome.node) =
-(* Perche' non andava?
- if f#get_localName = t#get_localName &&
- f#get_namespaceURI = t#get_namespaceURI
-*)
- match
- f#get_nodeType,t#get_nodeType,
- f#get_namespaceURI,t#get_namespaceURI,
- f#get_localName,t#get_localName
- with
- GdomeNodeTypeT.TEXT_NODE,GdomeNodeTypeT.TEXT_NODE,_,_,_,_ when
- match f#get_nodeValue, t#get_nodeValue with
- Some v, Some v' -> v#to_string = v'#to_string
- | _,_ -> assert false
- ->
-prerr_endline ("XML_DIFF: preservo il nodo testo " ^ match f#get_nodeValue with Some v -> v#to_string | None -> assert false);
- ()
- | GdomeNodeTypeT.ELEMENT_NODE,GdomeNodeTypeT.ELEMENT_NODE,
- Some nu, Some nu', Some ln, Some ln' when
- ln#to_string = ln'#to_string && nu#to_string = nu'#to_string ->
-prerr_endline ("XML_DIFF: preservo il nodo "^ nu#to_string ^ ":" ^ln#to_string);
- begin
- match f#get_attributes, t#get_attributes with
- Some fattrs, Some tattrs ->
- let flen = fattrs#get_length in
- let tlen = tattrs#get_length in
- let processed = ref [] in
- for i = 0 to flen -1 do
- match fattrs#item i with
- None -> () (* CSC: sigh, togliere un nodo rompe fa decrescere la lunghezza ==> passare a un while *)
- | Some attr ->
- match attr#get_namespaceURI with
- None ->
- (* Back to DOM Level 1 ;-( *)
- begin
- let name = attr#get_nodeName in
- match tattrs#getNamedItem ~name with
- None ->
-prerr_endline ("XML_DIFF: DOM 1; rimuovo l'attributo " ^ name#to_string);
-(* CSC: questo non mi toglieva solo l'attributo, ma anche altri nodi qui
- e la' ;-(
- ignore (f#removeChild attr)
-*)
- ignore (fattrs#removeNamedItem ~name)
- | Some attr' ->
- processed :=
- (None,Some name)::!processed ;
- match attr#get_nodeValue, attr'#get_nodeValue with
- Some v1, Some v2 when
- v1#to_string = v2#to_string
- || (name#to_string = "selection" &&
- nu#to_string =
- "http://www.w3.org/1998/Math/MathML" &&
- ln#to_string = "maction")
- ->
-prerr_endline ("XML_DIFF: DOM 1; preservo l'attributo " ^ name#to_string);
- ()
- | Some v1, Some v2 ->
-prerr_endline ("XML_DIFF: DOM 1; rimpiazzo l'attributo " ^ name#to_string ^ ": old value=" ^ v1#to_string ^ ", new value=" ^ v2#to_string);
- let attr'' = from#importNode attr' true in
- ignore (fattrs#setNamedItem attr'')
- | _,_ -> assert false
- end
- | Some namespaceURI ->
- let localName =
- match attr#get_localName with
- Some v -> v
- | None -> assert false
- in
- match
- tattrs#getNamedItemNS ~namespaceURI ~localName
- with
- None ->
-prerr_endline ("XML_DIFF: DOM 2; rimuovo l'attributo " ^ namespaceURI#to_string ^ ":" ^ localName#to_string);
-(* CSC: questo non mi toglieva solo l'attributo, ma anche altri nodi qui
- e la' ;-(
- ignore (f#removeChild attr)
-*)
- ignore
- (fattrs#removeNamedItemNS
- ~namespaceURI ~localName)
- | Some attr' ->
- processed :=
- (Some namespaceURI,Some localName)::!processed ;
- (*CSC: questo mi dice read-only ;-(
- attr#set_nodeValue attr'#get_nodeValue *)
- (*CSC: questo mi abortisce con una assert
- let attr'' = from#importNode attr' true in
- ignore(f#replaceChild ~newChild:attr'' ~oldChild:attr)*)
- match attr#get_nodeValue, attr'#get_nodeValue with
- Some v1, Some v2 when
- v1#to_string = v2#to_string ->
-prerr_endline ("XML_DIFF: DOM 2; preservo l'attributo " ^ namespaceURI#to_string ^ ":" ^ localName#to_string);
- ()
- | Some _, Some _ ->
-prerr_endline ("XML_DIFF: DOM 2; rimpiazzo l'attributo " ^ namespaceURI#to_string ^ ":" ^ localName#to_string);
- let attr'' = from#importNode attr' true in
- ignore (fattrs#setNamedItem attr'')
- | _,_ -> assert false
- done ;
- for i = 0 to tlen -1 do
- match tattrs#item i with
- None -> assert false
- | Some attr ->
-let debugs = ref "" in
- let namespaceURI,localName =
- match attr#get_namespaceURI with
- None ->
-debugs := ("XML_DIFF: DOM 1; creo un nuovo attributo " ^ attr#get_nodeName#to_string) ;
- None,attr#get_nodeName
- | Some namespaceURI as v ->
-debugs := ("XML_DIFF: DOM 2; creo un nuovo attributo " ^ namespaceURI#to_string ^ ":" ^ match attr#get_localName with Some v -> v#to_string | None -> assert false);
- v, match attr#get_localName with
- None -> assert false
- | Some v -> v
- in
- if
- not
- (List.exists
- (function
- None,Some localName' ->
- (match namespaceURI with
- None ->
- localName#to_string = localName'#to_string
- | Some _ -> false)
- | Some namespaceURI', Some localName' ->
- (match namespaceURI with
- None -> false
- | Some namespaceURI ->
- localName#to_string = localName'#to_string &&
- namespaceURI#to_string=namespaceURI'#to_string
- )
- | _,_ -> assert false
- ) !processed)
- then
- let attr' = from#importNode attr false in
-prerr_endline !debugs ;
- ignore (fattrs#setNamedItem attr')
- done
- | _,_ -> assert false
- end ;
- let fchildren = f#get_childNodes in
- let tchildren = t#get_childNodes in
- let rec dumb_diff =
- function
- [],[] -> ()
- | he1::tl1,he2::tl2 ->
-prerr_endline "XML_DIFF: processo una coppia di figli" ;
- aux f he1 he2 ;
- dumb_diff (tl1,tl2)
- | [],tl2 ->
-prerr_endline ("XML_DIFF: appendo i nodi residui " ^ String.concat ", " (List.map (function n -> match n#get_localName with Some s -> s#to_string | None -> "#" ^ (match n#get_nodeValue with Some s -> s#to_string | None -> "_") ^ "#") tl2)) ;
- List.iter
- (function n ->
- let n' = from#importNode n true in
- ignore (f#appendChild n') ;
- ignore (highlight_node from n')
- ) tl2
- | tl1,[] ->
-prerr_endline ("XML_DIFF: cancello i nodi residui " ^ String.concat ", " (List.map (function n -> match n#get_localName with Some s -> s#to_string | None -> "_") tl1)) ;
- List.iter (function n -> ignore (f#removeChild n)) tl1
- in
- let node_list_of_nodeList nl =
- let rec aux i =
- match nl#item ~index:i with
- None -> []
- | Some n when
- n#get_nodeType = GdomeNodeTypeT.ELEMENT_NODE
- or n#get_nodeType = GdomeNodeTypeT.TEXT_NODE ->
- n::(aux (i+1))
- | Some n ->
-prerr_endline ("XML_DIFF: mi sto perdendo i nodi di tipo " ^ string_of_int (Obj.magic n#get_nodeType)) ;
- aux (i+1)
- in
- aux 0
- in
-for i = 0 to fchildren#get_length - 1 do
-match fchildren#item i with
-None -> prerr_endline "EUREKA: ma siamo matti?"
-|Some n ->
-match n#get_nodeType with GdomeNodeTypeT.ATTRIBUTE_NODE -> prerr_endline "EUREKA attr" | GdomeNodeTypeT.CDATA_SECTION_NODE -> prerr_endline "EUREKA text" | GdomeNodeTypeT.DOCUMENT_FRAGMENT_NODE -> prerr_endline "EUREKA document fragment" | _ -> prerr_endline ("EUREKA " ^ string_of_int (Obj.magic n#get_nodeType))
-done ;
-prerr_endline("XML_DIFF: from ha " ^ string_of_int fchildren#get_length ^ " nodi, ovvero " ^ string_of_int (List.length (node_list_of_nodeList fchildren)) ^ " figli");
-prerr_endline("XML_DIFF: to ha " ^ string_of_int tchildren#get_length ^ " nodi, ovvero " ^ string_of_int (List.length (node_list_of_nodeList tchildren)) ^ " figli");
-prerr_endline ("XML_DIFF: chiamo dumb_diff su " ^ String.concat ", " (List.map (function n -> match n#get_localName with Some s -> s#to_string | None -> "_") (node_list_of_nodeList fchildren)) ^ " e " ^ String.concat ", " (List.map (function n -> match n#get_localName with Some s -> s#to_string | None -> "_") (node_list_of_nodeList tchildren))) ;
- dumb_diff
- (node_list_of_nodeList fchildren, node_list_of_nodeList tchildren)
- | t1,t2,_,_,_,_ when
- (t1 = GdomeNodeTypeT.ELEMENT_NODE || t1 = GdomeNodeTypeT.TEXT_NODE) &&
- (t2 = GdomeNodeTypeT.ELEMENT_NODE || t2 = GdomeNodeTypeT.TEXT_NODE) ->
- if
- t1 = GdomeNodeTypeT.ELEMENT_NODE &&
- ((new Gdome.element_of_node f)#getAttributeNS
- ~namespaceURI:(Gdome.domString xmldiffns)
- ~localName:(Gdome.domString "type"))#to_string = "fake"
- then
- let true_child =
- match f#get_firstChild with
- None -> assert false
- | Some n -> n
- in
- begin
-prerr_endline ("%%% CANCELLO HIGHLIGHTER " ^ (match f#get_localName with Some s -> s#to_string | None -> "_") ^ " CON DENTRO " ^ (match true_child#get_localName with Some s -> s#to_string | None -> "_")) ;
- ignore (p#replaceChild ~oldChild:f ~newChild:true_child) ;
- aux p true_child t
- end
- else
- let t' = from#importNode t true in
-prerr_endline ("%%% XML_DIFF: importo il nodo " ^ match t'#get_localName with Some n -> n#to_string | None -> "_") ;
-(*
-prerr_endline ("Rimpiazzo" ^ (match f#get_namespaceURI with Some s -> s#to_string) ^ ":" ^ (match f#get_localName with Some s -> s#to_string) ^ " con " ^ (match t#get_namespaceURI with Some s -> s#to_string) ^ ":" ^ (match t#get_localName with Some s -> s#to_string) ^ " in " ^ (match p#get_localName with Some s -> s#to_string | None -> "_")) ;
-*)
- ignore (p#replaceChild ~newChild:t' ~oldChild:f) ;
- ignore (highlight_node from t')
- | _,_,_,_,_,_ -> assert false
- in
- try
- aux (d :> Gdome.node)
- (from#get_documentElement :> Gdome.node)
- (d#get_documentElement :> Gdome.node)
- with
- (GdomeInit.DOMException (e,msg) as ex) ->
-(* CSC: Non si puo' per problemi di linking ;-(
- let module E = GdomeDOMExceptionT in
-*)
- prerr_endline
- ("DOM EXCEPTION: " ^ msg ^ " --- " ^
- match e with
- GdomeDOMExceptionT.NO_ERR -> "NO_ERR"
- | GdomeDOMExceptionT.INDEX_SIZE_ERR -> "INDEX_SIZE_ERR"
- | GdomeDOMExceptionT.DOMSTRING_SIZE_ERR -> "DOMSTRING_SIZE_ERR"
- | GdomeDOMExceptionT.HIERARCHY_REQUEST_ERR -> "HIERARCHY_REQUEST_ERR"
- | GdomeDOMExceptionT.WRONG_DOCUMENT_ERR -> "WRONG_DOCUMENT_ERR"
- | GdomeDOMExceptionT.INVALID_CHARACTER_ERR -> "INVALID_CHARACTER_ERR"
- | GdomeDOMExceptionT.NO_DATA_ALLOWED_ERR -> "NO_DATA_ALLOWER_ERR"
- | GdomeDOMExceptionT.NO_MODIFICATION_ALLOWED_ERR -> "NO_MODIFICATION_ALLOWED_ERR"
- | GdomeDOMExceptionT.NOT_FOUND_ERR -> "NOT_FOUND_ERR"
- | GdomeDOMExceptionT.NOT_SUPPORTED_ERR -> "NOT_SUPPORTED_ERR"
- | GdomeDOMExceptionT.INUSE_ATTRIBUTE_ERR -> "INUSE_ATTRIBUTE_ERR"
- | GdomeDOMExceptionT.INVALID_STATE_ERR -> "INVALID_STATE_ERR"
- | GdomeDOMExceptionT.SYNTAX_ERR -> "SYNTAX_ERR"
- | GdomeDOMExceptionT.INVALID_MODIFICATION_ERR -> "INVALID_MODIFICATION_ERR"
- | GdomeDOMExceptionT.NAMESPACE_ERR -> "NAMESPACE_ERR"
- | GdomeDOMExceptionT.INVALID_ACCESS_ERR -> "INVALID_ACCESS_ERR")
- | e ->
- prerr_endline "PROBLEMA" ;
- raise e
-;;
projects / helm.git / blobdiff