--- /dev/null
+(*
+ ||M|| This file is part of HELM, an Hypertextual, Electronic
+ ||A|| Library of Mathematics, developed at the Computer Science
+ ||T|| Department, University of Bologna, Italy.
+ ||I||
+ ||T|| HELM is free software; you can redistribute it and/or
+ ||A|| modify it under the terms of the GNU General Public License
+ \ / version 2 or (at your option) any later version.
+ \ / This software is distributed as is, NO WARRANTY.
+ V_______________________________________________________________ *)
+
+module F = Filename
+module U = NUri
+module C = Cps
+module H = Hierarchy
+module G = Options
+module E = Entity
+module N = Level
+module Q = Ccs
+
+(* internal functions *******************************************************)
+
+let base = "xml"
+
+let ext = ".xml"
+
+let obj_root = "ENTITY"
+
+let ccs_name = "ccs.ldc"
+
+let ccs_root = "CCS"
+
+let home = "http://lambda-delta.info"
+
+let system = home ^ "/" ^ base ^ "/ld.dtd"
+
+let xmlns = "xmlns", home
+
+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)
+
+(* interface functions ******************************************************)
+
+type och = string -> unit
+
+type attr = string * string
+
+type pp = och -> int -> unit
+
+let attribute out (name, contents) =
+ if contents <> "" then begin
+ out " "; out name; out "=\""; out contents; out "\""
+ end
+
+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 l =
+ let n = match n with
+ | None -> List.length l
+ | Some n -> n
+ in
+ 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
+ E.names f map a ""
+
+let mark a =
+ let err () = "mark", "" in
+ let f i = "mark", string_of_int i in
+ E.mark err f a
+
+let level n =
+ "level", N.to_string n
+
+let meta a =
+ let map = function
+ | E.Main -> "Main"
+ | E.InProp -> "InProp"
+ | E.Progress -> "Progress"
+ | E.Private -> "Private"
+ in
+ let err () = "meta", "" in
+ let f ms = "meta", String.concat " " (List.rev_map map ms) in
+ E.meta err f a
+
+(* TODO: the string tx must be quoted *)
+let info a =
+ let err () = ["lang", ""; "info", ""] in
+ let f lg tx = ["lang", lg; "info", tx] in
+ E.info err f a
+
+let export_entity pp_term (a, u, b) =
+ let path = path_of_uri !G.xdir u in
+ let _ = Sys.command (Printf.sprintf "mkdir -p %s" (F.dirname path)) in
+ let och = open_out (path ^ ext) in
+ let out = output_string och in
+ xml out "1.0" "UTF-8"; doctype out obj_root system;
+ let a = E.Name (U.name_of_uri u, true) :: a in
+ let attrs = uri u :: name a :: mark a :: meta a :: info a in
+ let contents = match b with
+ | E.Abst (n, w) -> tag "ABST" (level n :: attrs) ~contents:(pp_term w)
+ | E.Abbr v -> tag "ABBR" attrs ~contents:(pp_term v)
+ | E.Void -> assert false
+ in
+ let opts = if !G.si then "si" else "" in
+ let shp = H.string_of_graph () in
+ let attrs = [xmlns; "hierarchy", shp; "options", opts] in
+ tag obj_root attrs ~contents out 0;
+ close_out och
+
+let prec_map (i, _) = string_of_int i
+
+let next_map (_, i) = string_of_int i
+
+let marks = function
+ | [] -> "mark", ""
+ | l -> "mark", String.concat " " (List.rev_map string_of_int l)
+
+let precs = function
+ | [] -> "prec", ""
+ | l -> "prec", String.concat " " (List.rev_map prec_map l)
+
+let nexts = function
+ | [] -> "next", ""
+ | l -> "next", String.concat " " (List.rev_map next_map l)
+
+let export_csys s =
+ let path = path_of_uri !G.xdir s.Q.uri in
+ let _ = Sys.command (Printf.sprintf "mkdir -p %s" path) in
+ let name = F.concat path (ccs_name ^ ext) in
+ let och = open_out name in
+ let out = output_string och in
+ xml out "1.0" "UTF-8"; doctype out ccs_root system;
+ let attrs = [xmlns; uri s.Q.uri] in
+ let contents out tab =
+ tag "ToPositive" [arity s.Q.tp; marks s.Q.tp] out tab;
+ tag "ToOne" [arity s.Q.t1; marks s.Q.t1] out tab;
+ tag "ToNext" [arity s.Q.tn; precs s.Q.tn; nexts s.Q.tn] out tab
+ in
+ tag ccs_root attrs ~contents out 0;
+ close_out och
projects / helm.git / blobdiff