Added support for hyperlinks in the goal view of the web interface.

[helm.git] / matitaB / components / content_pres / boxPp.ml

diff --git a/matitaB/components/content_pres/boxPp.ml b/matitaB/components/content_pres/boxPp.ml
index 9bf360a637d45fd1c5d654aae2e8007c19a832ce..af11da8112b5fe8a3502874327c69471cd75f5e6 100644 (file)
--- a/matitaB/components/content_pres/boxPp.ml
+++ b/matitaB/components/content_pres/boxPp.ml
@@ -32,7 +32,7 @@ let utf8_string_length s = Utf8.compute_len s 0 (String.length s)
 
 let string_space = " "
 let string_space_len = utf8_string_length string_space
-let string_indent = (* string_space *) ""
+let string_indent = (* string_space *) " "
 let string_indent_len = utf8_string_length string_indent
 let string_ink = "---------------------------"
 let string_ink_len = utf8_string_length string_ink
@@ -40,8 +40,10 @@ let string_ink_len = utf8_string_length string_ink
 let contains_attrs contained container =
   List.for_all (fun attr -> List.mem attr container) contained
 
-let want_indent = contains_attrs (* (RenderingAttrs.indent_attributes `BoxML) *)[]
-let want_spacing = contains_attrs (* (RenderingAttrs.spacing_attributes `BoxML) *) []
+let small_skip_attributes _ = [ None, "width", "0.5em" ]
+
+let want_indent = contains_attrs [ None, "indent", "0.5em" ]
+let want_spacing = contains_attrs [ None, "spacing", "0.5em" ]
 
 let shift off = List.map (fun (start,stop,v) -> start+off,stop+off,v);;
 
@@ -102,10 +104,33 @@ let fixed_rendering s =
 
 let render_to_strings ~map_unicode_to_tex choose_action size markup =
   prerr_endline ("render size is " ^ string_of_int size);
+  let add_markup attr txt =
+    let txt = Netencoding.Html.encode ~in_enc:`Enc_utf8 () txt in
+    let value_of_attr (_,_,v) = v in
+    let title = 
+      try Some (value_of_attr (List.find (fun (_,t,_) -> t = "title") attr))
+      with _ -> None in
+    let href =
+      try Some (value_of_attr (List.find (fun (_,t,_) -> t = "href") attr))
+      with _ -> None in
+    match title,href with
+    | None,None -> txt
+    | None,Some u -> "<A href=\"" ^ u ^ "\">" ^ txt ^ "</A>"
+    | Some t, Some u ->
+       "<A href=\"" ^ u ^ "\" title=\"" ^ t ^ "\">" ^ txt ^ "</A>"
+    | Some t, None ->
+       let u = "cic:/fakeuri.con" in
+       "<A href=\"" ^ u ^ "\" title=\"" ^ t ^ "\">" ^ txt ^ "</A>"
+  in
+
   let max_size = max_int in
   let rec aux_box =
     function
-    | Box.Text (_, t) -> fixed_rendering t
+    | Box.Text (attr, t) ->
+        fun x -> 
+        (match fixed_rendering t x with
+         | len, [txt] -> len, [add_markup attr txt]
+         | _ -> assert false)
     | Box.Space _ -> fixed_rendering string_space
     | Box.Ink _ -> fixed_rendering string_ink
     | Box.Action (_, []) -> assert false