* the transformations have been ported so to generate BoxML + MathML

[helm.git] / helm / ocaml / cic_transformations / box.ml

diff --git a/helm/ocaml/cic_transformations/box.ml b/helm/ocaml/cic_transformations/box.ml
index 41b7fb7259098fdc95ba031be77bda699b1514c9..764a491eb0d8eb2a876ae1dedcaf841f9d0aae6a 100644 (file)
--- a/helm/ocaml/cic_transformations/box.ml
+++ b/helm/ocaml/cic_transformations/box.ml
@@ -36,6 +36,7 @@ type
   'expr box =
     Text of attr * string
   | Space of attr
+  | Ink of attr
   | H of attr * ('expr box) list
   | V of attr * ('expr box) list
   | Object of attr * 'expr
@@ -43,8 +44,52 @@ type
 
 and attr = (string option * string * string) list
 
-let smallskip = Text([]," ");;
-let skip = Text([],"  ");;
+let smallskip = Space([None,"width","0.5em"]);;
+let skip = Space([None,"width","1em"]);;
 
 let indent t = H([],[skip;t]);;
 
+(* MathML prefix *)
+let prefix = "b";;
+ 
+let rec print_box =
+ let module X = Xml in
+  function
+      Text (attr,s) -> X.xml_nempty ~prefix "text" attr (X.xml_cdata s)
+    | Space attr -> X.xml_empty ~prefix "space" attr
+    | Ink attr -> X.xml_empty ~prefix "ink" attr
+    | H (attr,l) ->
+       X.xml_nempty ~prefix "h" attr 
+          [< (List.fold_right (fun x i -> [< (print_box x) ; i >]) l [<>])
+          >]
+    | V (attr,l) ->
+       X.xml_nempty ~prefix "v" attr 
+          [< (List.fold_right (fun x i -> [< (print_box x) ; i >]) l [<>])
+          >]
+    | Object (attr,m) ->
+       X.xml_nempty ~prefix "obj" attr [< Mpresentation.print_mpres m >]
+    | Action (attr,l) ->
+       X.xml_nempty ~prefix "action" attr 
+          [< (List.fold_right (fun x i -> [< (print_box x) ; i >]) l [<>])
+          >]
+;;
+
+let document_of_box pres =
+ [< Xml.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
+    Xml.xml_cdata "\n";
+    Xml.xml_nempty ~prefix "box"
+     [Some "xmlns","m","http://www.w3.org/1998/Math/MathML" ;
+      Some "xmlns","b","http://helm.cs.unibo.it/2003/BoxML" ;
+      Some "xmlns","helm","http://www.cs.unibo.it/helm" ;
+      Some "xmlns","xlink","http://www.w3.org/1999/xlink"
+     ] (print_box pres)
+ >]
+
+let b_h a b = H(a,b)
+let b_v a b = V(a,b)
+let b_text a b = Text(a,b)
+let b_object b = Object ([],b)
+let b_indent = indent
+let b_space = Space [None, "width", "0.5em"]
+let b_kw = b_text [None, "color", "red"]
+