module F = Filename
module U = NUri
+module C = Cps
module H = Hierarchy
-
-type 'a out = (unit -> 'a) -> string -> 'a
+module Y = Entity
(* internal functions *******************************************************)
let obj_ext = ".xml"
+let root = "ENTITY"
+
let system = "http://helm.cs.unibo.it/lambda-delta/" ^ base ^ "/ld.dtd"
-let path_of_uri uri =
+let path_of_uri xdir uri =
+ let base = F.concat xdir base in
F.concat base (Str.string_after (U.string_of_uri uri) 3)
-let pp_head frm =
- Format.fprintf frm "<?xml version=%S encoding=%S?>@,@," "1.0" "UTF-8"
+(* interface functions ******************************************************)
-let pp_doctype frm =
- Format.fprintf frm "<!DOCTYPE ENTRY SYSTEM %S>@,@," system
+type och = string -> unit
-let open_entry si g frm =
- let opts = if si then "si" else "" in
- let f shp =
- Format.fprintf frm "<ENTRY hierarchy=%S options=%S>" shp opts
- in
- H.string_of_graph f g
+type attr = string * string
-let close_entry frm =
- Format.fprintf frm "</ENTRY>"
+type pp = och -> int -> unit
-(* interface functions ******************************************************)
+let attribute out (name, contents) =
+ if contents <> "" then begin
+ out " "; out name; out "=\""; out contents; out "\""
+ end
-let old_export_entity export_entry si g = function
- | Some entry ->
- let _, uri, bind = entry in
- let path = path_of_uri uri in
- let _ = Sys.command (Printf.sprintf "mkdir -p %s" (F.dirname path)) in
- let och = open_out (path ^ obj_ext) in
- let frm = Format.formatter_of_out_channel och in
- Format.pp_set_margin frm max_int;
- Format.fprintf frm "@[<v>%t%t%t%a%t@]@."
- pp_head pp_doctype (open_entry si g) export_entry entry close_entry;
- close_out och
- | None -> ()
-
-(****************************************************************************)
-(*
-let export_entity export_entry si g = function
- | Some entry ->
- let _, uri, bind = entry in
- let path = path_of_uri root uri in
- let _ = Sys.command (Printf.sprintf "mkdir -p %s" (F.dirname path)) in
- let och = open_out (path ^ obj_ext) in
- let out f s = output_string och s; f () in
- let f () = close_out och in
-
- Format.fprintf frm "@[<v>%t%t%t%a%t@]@."
- pp_head pp_doctype (open_entry si g) export_entry entry close_entry;
- close_out och
- | None -> ()
-*)
+let xml out version encoding =
+ out "<?xml";
+ attribute out ("version", version);
+ attribute out ("encoding", encoding);
+ out "?>\n\n"
+
+let doctype out root system =
+ out "<!DOCTYPE "; out root; out " SYSTEM \""; out system; out "\">\n\n"
+
+let tag tag attrs ?contents out indent =
+ let spc = String.make indent ' ' in
+ out spc; out "<"; out tag; List.iter (attribute out) attrs;
+ match contents with
+ | None -> out "/>\n"
+ | Some cont ->
+ out ">\n"; cont out (indent + 3); out spc;
+ out "</"; out tag; out ">\n"
+
+let sort = "Sort"
+
+let lref = "LRef"
+
+let gref = "GRef"
+
+let cast = "Cast"
+
+let appl = "Appl"
+
+let proj = "Proj"
+
+let abst = "Abst"
+
+let abbr = "Abbr"
+
+let void = "Void"
+
+let position i =
+ "position", string_of_int i
+
+let offset j =
+ let contents = if j > 0 then string_of_int j else "" in
+ "offset", contents
+
+let uri u =
+ "uri", U.string_of_uri u
+
+let arity n =
+ let contents = if n > 1 then string_of_int n else "" in
+ "arity", contents
+
+let name a =
+ let map f i n r s =
+ let n = if r then n else "^" ^ n in
+ let spc = if i then "" else " " in
+ f (s ^ n ^ spc)
+ in
+ let f s = "name", s in
+ Y.names f map a ""
+
+let mark a =
+ let err () = "mark", "" in
+ let f i = "mark", string_of_int i in
+ Y.mark err f a
+
+let export_entity pp_term si xdir (a, u, b) =
+ let path = path_of_uri xdir u in
+ let _ = Sys.command (Printf.sprintf "mkdir -p %s" (F.dirname path)) in
+ let och = open_out (path ^ obj_ext) in
+ let out = output_string och in
+ xml out "1.0" "UTF-8"; doctype out root system;
+ let a = Y.Name (U.name_of_uri u, true) :: a in
+ let attrs = [uri u; name a; mark a] in
+ let contents = match b with
+ | Y.Abst w -> tag "ABST" attrs ~contents:(pp_term w)
+ | Y.Abbr v -> tag "ABBR" attrs ~contents:(pp_term v)
+ | Y.Void -> assert false
+ in
+ let opts = if si then "si" else "" in
+ let shp = H.string_of_graph () in
+ let attrs = ["hierarchy", shp; "options", opts] in
+ tag root attrs ~contents out 0;
+ close_out och