* http://helm.cs.unibo.it/
*)
+module P = Mpresentation
+
type mathml_markup = boxml_markup Mpresentation.mpres
and boxml_markup = mathml_markup Box.box
type markup = mathml_markup
let atop_attributes = [None, "linethickness", "0pt"]
-let binder_attributes = [None, "mathcolor", "blue"]
-let indent_attributes = [None, "indent", "1em"]
-
-let mpres_arrow = Mpresentation.Mo (binder_attributes, "->")
- (* TODO unicode symbol "to" *)
-let mpres_implicit = Mpresentation.Mtext ([], "?")
-
-let map_tex use_unicode texcmd =
- let default_map_tex = Printf.sprintf "\\%s " in
- if use_unicode then
- try
- Utf8Macro.expand texcmd
- with Utf8Macro.Macro_not_found _ -> default_map_tex texcmd
- else
- default_map_tex texcmd
-let resolve_binder use_unicode = function
- | `Lambda -> map_tex use_unicode "lambda"
- | `Pi -> map_tex use_unicode "Pi"
- | `Forall -> map_tex use_unicode "forall"
- | `Exists -> map_tex use_unicode "exists"
+let to_unicode = Utf8Macro.unicode_of_tex
let rec make_attributes l1 = function
| [] -> []
Box.Object (_, mpres) -> mpres
| box -> Mpresentation.Mobject ([], box)
-let genuine_math =
+let rec genuine_math =
function
- | Mpresentation.Mobject _ -> false
+ | Mpresentation.Mobject ([], obj) -> not (genuine_box obj)
+ | _ -> true
+and genuine_box =
+ function
+ | Box.Object ([], mpres) -> not (genuine_math mpres)
| _ -> true
-let box_of mathonly kind attrs children =
- if mathonly then Mpresentation.Mrow (attrs, children)
- else
- match kind with
- | CicNotationPt.H when List.for_all genuine_math children ->
- Mpresentation.Mrow (attrs, children)
- | CicNotationPt.H ->
- mpres_of_box (Box.H (attrs, List.map box_of_mpres children))
- | CicNotationPt.V ->
- mpres_of_box (Box.V (attrs, List.map box_of_mpres children))
- | CicNotationPt.HV ->
- mpres_of_box (Box.HV (attrs, List.map box_of_mpres children))
- | CicNotationPt.HOV ->
- mpres_of_box (Box.HOV (attrs, List.map box_of_mpres children))
-
-let open_paren = Mpresentation.Mo ([], "(")
-let closed_paren = Mpresentation.Mo ([], ")")
-let open_box_paren = Box.Text ([], "(")
-let closed_box_paren = Box.Text ([], ")")
-
-type child_pos = [ `Left | `Right | `Inner ]
+let rec eligible_math =
+ function
+ | Mpresentation.Mobject ([], Box.Object ([], mpres)) -> eligible_math mpres
+ | Mpresentation.Mobject ([], _) -> false
+ | _ -> true
+
+let rec promote_to_math =
+ function
+ | Mpresentation.Mobject ([], Box.Object ([], mpres)) -> promote_to_math mpres
+ | math -> math
+
+let small_skip =
+ Mpresentation.Mspace (RenderingAttrs.small_skip_attributes `MathML)
+
+let box_of mathonly spec attrs children =
+ match children with
+ | [t] -> t
+ | _ ->
+ let kind, spacing, indent = spec in
+ let dress children =
+ if spacing then
+ CicNotationUtil.dress small_skip children
+ else
+ children
+ in
+ if mathonly then Mpresentation.Mrow (attrs, dress children)
+ else
+ let attrs' =
+ (if spacing then RenderingAttrs.spacing_attributes `BoxML else [])
+ @ (if indent then RenderingAttrs.indent_attributes `BoxML else [])
+ @ attrs
+ in
+ match kind with
+ | CicNotationPt.H ->
+ if List.for_all eligible_math children then
+ Mpresentation.Mrow (attrs',
+ dress (List.map promote_to_math children))
+ else
+ mpres_of_box (Box.H (attrs',
+ List.map box_of_mpres children))
+(* | CicNotationPt.H when List.for_all genuine_math children ->
+ Mpresentation.Mrow (attrs', dress children) *)
+ | CicNotationPt.V ->
+ mpres_of_box (Box.V (attrs',
+ List.map box_of_mpres children))
+ | CicNotationPt.HV ->
+ mpres_of_box (Box.HV (attrs',
+ List.map box_of_mpres children))
+ | CicNotationPt.HOV ->
+ mpres_of_box (Box.HOV (attrs',
+ List.map box_of_mpres children))
+
+let open_paren = Mpresentation.Mo ([], "(")
+let closed_paren = Mpresentation.Mo ([], ")")
+let open_brace = Mpresentation.Mo ([], "{")
+let closed_brace = Mpresentation.Mo ([], "}")
+let hidden_substs = Mpresentation.Mtext ([], "{...}")
+let open_box_paren = Box.Text ([], "(")
+let closed_box_paren = Box.Text ([], ")")
+let semicolon = Mpresentation.Mo ([], ";")
+let toggle_action children =
+ Mpresentation.Maction ([None, "actiontype", "toggle"], children)
+
+type child_pos = [ `None | `Left | `Right | `Inner ]
+
+let pp_assoc =
+ function
+ | Gramext.LeftA -> "LeftA"
+ | Gramext.RightA -> "RightA"
+ | Gramext.NonA -> "NonA"
+
+let pp_pos =
+ function
+ `None -> "`None"
+ | `Left -> "`Left"
+ | `Right -> "`Right"
+ | `Inner -> "`Inner"
+
+let is_atomic t =
+ let rec aux_mpres = function
+ | P.Mi _
+ | P.Mo _
+ | P.Mn _
+ | P.Ms _
+ | P.Mtext _
+ | P.Mspace _ -> true
+ | P.Mobject (_, box) -> aux_box box
+ | P.Maction (_, [mpres])
+ | P.Mrow (_, [mpres]) -> aux_mpres mpres
+ | _ -> false
+ and aux_box = function
+ | Box.Space _
+ | Box.Ink _
+ | Box.Text _ -> true
+ | Box.Object (_, mpres) -> aux_mpres mpres
+ | Box.H (_, [box])
+ | Box.V (_, [box])
+ | Box.HV (_, [box])
+ | Box.HOV (_, [box])
+ | Box.Action (_, [box]) -> aux_box box
+ | _ -> false
+ in
+ aux_mpres t
let add_parens child_prec child_assoc child_pos curr_prec t =
- if child_prec < curr_prec
+ if is_atomic t then t
+ else if child_prec < curr_prec
|| (child_prec = curr_prec &&
child_assoc = Gramext.LeftA &&
child_pos <> `Left)
else
t
-let render ids_to_uris t =
+let render ids_to_uris =
let module A = CicNotationPt in
let module P = Mpresentation in
let use_unicode = true in
| None -> None
| Some id -> (try Some (Hashtbl.find ids_to_uris id) with Not_found -> None)
in
- let make_href xref =
- let uri = lookup_uri xref in
- make_attributes [Some "helm","xref"; Some "xlink","href"] [xref;uri]
+ let make_href xmlattrs xref uris =
+ let xref_uri = lookup_uri xref in
+ let raw_uris = List.map UriManager.string_of_uri uris in
+ let uri =
+ match xref_uri, raw_uris with
+ | None, [] -> None
+ | Some uri, [] -> Some uri
+ | None, raw_uris -> Some (String.concat " " raw_uris)
+ | Some uri, raw_uris -> Some (String.concat " " (uri :: raw_uris))
+ in
+ xmlattrs
+ @ make_attributes [Some "helm", "xref"; Some "xlink", "href"] [xref; uri]
in
let make_xref xref = make_attributes [Some "helm","xref"] [xref] in
- let make_box = function
- | P.Mobject (attrs, box) ->
- assert (attrs = []);
- box
- | m -> Box.Object ([], m)
- in
- let make_hv xref children =
- let attrs = indent_attributes @ make_href xref in
- P.Mobject ([], Box.HV (indent_attributes, List.map make_box children))
- in
- let rec invoke mathonly xref prec assoc t =
- fst (aux mathonly xref prec assoc t)
(* when mathonly is true no boxes should be generated, only mrows *)
- and aux mathonly xref prec assoc t =
- let return t = t, (prec, assoc) in
+ let rec aux xmlattrs mathonly xref pos prec uris t =
match t with
- | A.AttributedTerm (`Loc _, t) -> return (invoke mathonly xref prec assoc t)
- | A.AttributedTerm (`Level (prec, assoc), t) ->
- return (invoke mathonly xref prec assoc t)
- | A.AttributedTerm (`IdRef xref, t) ->
- return (invoke mathonly (Some xref) prec assoc t)
-
- | A.Ident (literal, None) -> return (P.Mi (make_href xref, literal))
- | A.Num (literal, _) -> return (P.Mn (make_href xref, literal))
- | A.Symbol (literal, _) -> return (P.Mo (make_href xref, literal))
- | A.Uri (literal, None) -> return (P.Mi (make_href xref, literal))
-
- (* default pretty printing shant' be implemented here *)
-(* | A.Appl terms ->
- let children = aux_children mathonly xref prec assoc terms in
- make_hv xref children
- | A.Binder (`Pi, (A.Ident ("_", None), ty_opt), body)
- | A.Binder (`Forall, (A.Ident ("_", None), ty_opt), body) ->
- let ty' =
- match ty_opt with
- | None -> mpres_implicit
- | Some ty -> invoke mathonly None prec assoc ty
+ | A.AttributedTerm _ ->
+ aux_attributes xmlattrs mathonly xref pos prec uris t
+ | A.Num (literal, _) ->
+ let attrs =
+ (RenderingAttrs.number_attributes `MathML)
+ @ make_href xmlattrs xref uris
in
- let body' = invoke mathonly None prec assoc body in
- return (make_hv xref [ty'; make_h None [mpres_arrow; body']]) *)
-
- | A.Literal l -> aux_literal xref prec assoc l
- | A.Layout l -> aux_layout mathonly xref prec assoc l
+ P.Mn (attrs, literal)
+ | A.Symbol (literal, _) ->
+ let attrs =
+ (RenderingAttrs.symbol_attributes `MathML)
+ @ make_href xmlattrs xref uris
+ in
+ P.Mo (attrs, to_unicode literal)
+ | A.Ident (literal, subst)
+ | A.Uri (literal, subst) ->
+ let attrs =
+ (RenderingAttrs.ident_attributes `MathML)
+ @ make_href xmlattrs xref []
+ in
+ let name = P.Mi (attrs, to_unicode literal) in
+ (match subst with
+ | Some []
+ | None -> name
+ | Some substs ->
+ let substs' =
+ box_of mathonly (A.H, false, false) []
+ (open_brace
+ :: (CicNotationUtil.dress semicolon
+ (List.map
+ (fun (name, t) ->
+ box_of mathonly (A.H, false, false) [] [
+ P.Mi ([], name);
+ P.Mo ([], to_unicode "\\def");
+ aux [] mathonly xref pos prec uris t ])
+ substs))
+ @ [ closed_brace ])
+(* (CicNotationUtil.dress semicolon
+ (List.map
+ (fun (var, t) ->
+ let var_uri = UriManager.uri_of_string var in
+ let var_name = UriManager.name_of_uri var_uri in
+ let href_attr = Some "xlink", "href", var in
+ box_of mathonly (A.H, false, false) [] [
+ P.Mi ([href_attr], var_name);
+ P.Mo ([], to_unicode "\\def");
+ aux [] mathonly xref pos prec uris t ])
+ substs)) *)
+ in
+ let substs_maction = toggle_action [ hidden_substs; substs' ] in
+ box_of mathonly (A.H, false, false) [] [ name; substs_maction ])
+ | A.Literal l -> aux_literal xmlattrs xref prec uris l
+ | A.UserInput -> P.Mtext ([], "%")
+ | A.Layout l -> aux_layout mathonly xref pos prec uris l
| A.Magic _
| A.Variable _ -> assert false (* should have been instantiated *)
-
- | _ -> assert false
-
- and aux_literal xref prec assoc l =
- let return t = t, (prec, assoc) in
- let attrs = make_href xref in
- match l with
- | `Symbol s
- | `Keyword s -> return (P.Mo (attrs, s))
- | `Number s -> return (P.Mn (attrs, s))
- and aux_layout mathonly xref prec assoc l =
- let return t = t, (prec, assoc) in
+ | t ->
+ prerr_endline ("unexpected ast: " ^ CicNotationPp.pp_term t);
+ assert false
+ and aux_attributes xmlattrs mathonly xref pos prec uris t =
+ let new_level = ref None in
+ let new_xref = ref None in
+ let new_uris = ref [] in
+ let new_xmlattrs = ref [] in
+ let rec aux_attribute =
+ function
+ | A.AttributedTerm (attr, t) ->
+ (match attr with
+ | `Loc _
+ | `Raw _ -> ()
+ | `Level (child_prec, child_assoc) ->
+ new_level := Some (child_prec, child_assoc)
+ | `IdRef xref -> new_xref := Some xref
+ | `Href hrefs -> new_uris := hrefs
+ | `XmlAttrs attrs -> new_xmlattrs := attrs);
+ aux_attribute t
+ | t ->
+ (match !new_level with
+ | None -> aux !new_xmlattrs mathonly !new_xref pos prec !new_uris t
+ | Some (child_prec, child_assoc) ->
+ let t' =
+ aux !new_xmlattrs mathonly !new_xref pos child_prec !new_uris t
+ in
+ add_parens child_prec child_assoc pos prec t')
+ in
+ aux_attribute t
+(* function
+ | `Loc _
+ | `Raw _ -> aux xmlattrs mathonly xref pos prec uris t
+ | `Level (child_prec, child_assoc) ->
+ let t' = aux xmlattrs mathonly xref pos child_prec uris t in
+ add_parens child_prec child_assoc pos prec t'
+ | `IdRef xref -> aux xmlattrs mathonly (Some xref) pos prec uris t
+ | `Href uris' -> aux xmlattrs mathonly xref pos prec uris' t
+ | `XmlAttrs xmlattrs -> aux xmlattrs mathonly xref pos prec uris t *)
+ and aux_literal xmlattrs xref prec uris l =
+ let attrs = make_href xmlattrs xref uris in
+ (match l with
+ | `Symbol s -> P.Mo (attrs, to_unicode s)
+ | `Keyword s -> P.Mo (attrs, to_unicode s)
+ | `Number s -> P.Mn (attrs, to_unicode s))
+ and aux_layout mathonly xref pos prec uris l =
let attrs = make_xref xref in
- let invoke' t = invoke true None prec assoc t in
+ let invoke' t = aux [] true None pos prec uris t in
match l with
- | A.Sub (t1, t2) -> return (P.Msub (attrs, invoke' t1, invoke' t2))
- | A.Sup (t1, t2) -> return (P.Msup (attrs, invoke' t1, invoke' t2))
- | A.Below (t1, t2) -> return (P.Munder (attrs, invoke' t1, invoke' t2))
- | A.Above (t1, t2) -> return (P.Mover (attrs, invoke' t1, invoke' t2))
+ | A.Sub (t1, t2) -> P.Msub (attrs, invoke' t1, invoke' t2)
+ | A.Sup (t1, t2) -> P.Msup (attrs, invoke' t1, invoke' t2)
+ | A.Below (t1, t2) -> P.Munder (attrs, invoke' t1, invoke' t2)
+ | A.Above (t1, t2) -> P.Mover (attrs, invoke' t1, invoke' t2)
| A.Frac (t1, t2)
- | A.Over (t1, t2) -> return (P.Mfrac (attrs, invoke' t1, invoke' t2))
+ | A.Over (t1, t2) -> P.Mfrac (attrs, invoke' t1, invoke' t2)
| A.Atop (t1, t2) ->
- return (P.Mfrac (atop_attributes @ attrs, invoke' t1, invoke' t2))
- | A.Sqrt t -> return (P.Msqrt (attrs, invoke' t))
- | A.Root (t1, t2) -> return (P.Mroot (attrs, invoke' t1, invoke' t2))
- | A.Box (kind, terms) ->
- let children = aux_children mathonly xref prec assoc terms in
- return (box_of mathonly kind attrs children)
- and aux_children mathonly xref prec assoc terms =
- let rec aux_list first =
+ P.Mfrac (atop_attributes @ attrs, invoke' t1, invoke' t2)
+ | A.Sqrt t -> P.Msqrt (attrs, invoke' t)
+ | A.Root (t1, t2) -> P.Mroot (attrs, invoke' t1, invoke' t2)
+ | A.Box ((_, spacing, _) as kind, terms) ->
+ let children =
+ aux_children mathonly spacing xref pos prec uris
+ (CicNotationUtil.ungroup terms)
+ in
+ box_of mathonly kind attrs children
+ | A.Group terms ->
+ let children =
+ aux_children mathonly false xref pos prec uris
+ (CicNotationUtil.ungroup terms)
+ in
+ box_of mathonly (A.H, false, false) attrs children
+ | A.Break -> assert false (* TODO? *)
+ and aux_children mathonly spacing xref pos prec uris terms =
+ let find_clusters =
+ let rec aux_list first clusters acc =
+ function
+ [] when acc = [] -> List.rev clusters
+ | [] -> aux_list first (List.rev acc :: clusters) [] []
+ | (A.Layout A.Break) :: tl when acc = [] ->
+ aux_list first clusters [] tl
+ | (A.Layout A.Break) :: tl ->
+ aux_list first (List.rev acc :: clusters) [] tl
+ | [hd] ->
+ let pos' =
+ if first then
+ pos
+ else
+ match pos with
+ `None -> `Right
+ | `Inner -> `Inner
+ | `Right -> `Right
+ | `Left -> `Inner
+ in
+ aux_list false clusters
+ (aux [] mathonly xref pos' prec uris hd :: acc) []
+ | hd :: tl ->
+ let pos' =
+ match pos, first with
+ `None, true -> `Left
+ | `None, false -> `Inner
+ | `Left, true -> `Left
+ | `Left, false -> `Inner
+ | `Right, _ -> `Inner
+ | `Inner, _ -> `Inner
+ in
+ aux_list false clusters
+ (aux [] mathonly xref pos' prec uris hd :: acc) tl
+ in
+ aux_list true [] []
+ in
+ let boxify_pres =
function
- [] -> []
- | [t] ->
- let t', (child_prec, child_assoc) = aux mathonly xref prec assoc t in
- [add_parens child_prec child_assoc `Right prec t']
- | t :: tl ->
- let t', (child_prec, child_assoc) = aux mathonly xref prec assoc t in
- let child_pos = if first then `Left else `Inner in
- add_parens child_prec child_assoc child_pos prec t' :: aux_list false tl
+ [t] -> t
+ | tl -> box_of mathonly (A.H, spacing, false) [] tl
in
- match terms with
- [t] -> [invoke mathonly xref prec assoc t]
- | tl -> aux_list true tl
+ List.map boxify_pres (find_clusters terms)
in
- fst (aux false None 0 Gramext.NonA t)
+ aux [] false None `None 0 []
+
+let rec print_box (t: CicNotationPres.boxml_markup) =
+ Box.box2xml print_mpres t
+and print_mpres (t: CicNotationPres.mathml_markup) =
+ Mpresentation.print_mpres print_box t
+
+let print_xml = print_mpres
+
+(* let render_to_boxml id_to_uri t =
+ let xml_stream = print_box (box_of_mpres (render id_to_uri t)) in
+ Xml.add_xml_declaration xml_stream *)
projects / helm.git / blobdiff