First commit of our future proof-assistant/proof-improver (???)

[helm.git] / helm / gTopLevel / xml2Gdome.ml

diff --git a/helm/gTopLevel/xml2Gdome.ml b/helm/gTopLevel/xml2Gdome.ml
new file mode 100644 (file)
index 0000000..43a2fc7
--- /dev/null
+++ b/helm/gTopLevel/xml2Gdome.ml
@@ -0,0 +1,47 @@
+let document_of_xml (domImplementation : Gdome.domImplementation) strm =
+ let module G = Gdome in
+ let module X = Xml in
+  let root_name,root_attributes,root_content =
+   match Stream.next strm with
+      X.Empty(n,l) -> n,l,[<>]
+    | X.NEmpty(n,l,c) -> n,l,c
+    | _ -> assert false
+  in
+   let document =
+(*CSC: erroraccio bruttissimo in gmetadom!!! *)
+    new Gdome.document (
+    domImplementation#createDocument ~namespaceURI:None
+     ~qualifiedName:(Gdome.domString root_name) ~doctype:None
+    )
+   in
+   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#createElement ~tagName:(Gdome.domString n) in
+         List.iter (function (n,v) -> element#setAttribute
+          ~name:(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#createElement ~tagName:(Gdome.domString n) in
+         List.iter
+          (function (n,v) ->
+            element#setAttribute ~name:(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
+;;