2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
21 (* internal functions *******************************************************)
27 let obj_root = "ENTITY"
29 let ccs_name = "ccs.ldc"
33 let system = "http://helm.cs.unibo.it/lambda-delta/" ^ base ^ "/ld.dtd"
35 let path_of_uri xdir uri =
36 let base = F.concat xdir base in
37 F.concat base (Str.string_after (U.string_of_uri uri) 3)
39 (* interface functions ******************************************************)
41 type och = string -> unit
43 type attr = string * string
45 type pp = och -> int -> unit
47 let attribute out (name, contents) =
48 if contents <> "" then begin
49 out " "; out name; out "=\""; out contents; out "\""
52 let xml out version encoding =
54 attribute out ("version", version);
55 attribute out ("encoding", encoding);
58 let doctype out root system =
59 out "<!DOCTYPE "; out root; out " SYSTEM \""; out system; out "\">\n\n"
61 let tag tag attrs ?contents out indent =
62 let spc = String.make indent ' ' in
63 out spc; out "<"; out tag; List.iter (attribute out) attrs;
67 out ">\n"; cont out (indent + 3); out spc;
68 out "</"; out tag; out ">\n"
89 "position", string_of_int i
92 let contents = if j > 0 then string_of_int j else "" in
96 "uri", U.string_of_uri u
100 | None -> List.length l
103 let contents = if n > 1 then string_of_int n else "" in
108 let n = if r then n else "-" ^ n in
109 let spc = if i then "" else " " in
112 let f s = "name", s in
116 let err () = "mark", "" in
117 let f i = "mark", string_of_int i in
121 "level", N.to_string n
123 (* TODO: the string s must be quoted *)
125 let err () = "meta", "" in
126 let f s = "meta", s in
129 let export_entity pp_term (a, u, b) =
130 let path = path_of_uri !G.xdir u in
131 let _ = Sys.command (Printf.sprintf "mkdir -p %s" (F.dirname path)) in
132 let och = open_out (path ^ ext) in
133 let out = output_string och in
134 xml out "1.0" "UTF-8"; doctype out obj_root system;
135 let a = E.Name (U.name_of_uri u, true) :: a in
136 let attrs = [uri u; name a; mark a; meta a] in
137 let contents = match b with
138 | E.Abst (n, w) -> tag "ABST" (level n :: attrs) ~contents:(pp_term w)
139 | E.Abbr v -> tag "ABBR" attrs ~contents:(pp_term v)
140 | E.Void -> assert false
142 let opts = if !G.si then "si" else "" in
143 let shp = H.string_of_graph () in
144 let attrs = ["hierarchy", shp; "options", opts] in
145 tag obj_root attrs ~contents out 0;
148 let prec_map (i, _) = string_of_int i
150 let next_map (_, i) = string_of_int i
154 | l -> "mark", String.concat " " (List.rev_map string_of_int l)
158 | l -> "prec", String.concat " " (List.rev_map prec_map l)
162 | l -> "next", String.concat " " (List.rev_map next_map l)
165 let path = path_of_uri !G.xdir s.Q.uri in
166 let _ = Sys.command (Printf.sprintf "mkdir -p %s" path) in
167 let name = F.concat path (ccs_name ^ ext) in
168 let och = open_out name in
169 let out = output_string och in
170 xml out "1.0" "UTF-8"; doctype out ccs_root system;
171 let attrs = [uri s.Q.uri] in
172 let contents out tab =
173 tag "ToPositive" [arity s.Q.tp; marks s.Q.tp] out tab;
174 tag "ToOne" [arity s.Q.t1; marks s.Q.t1] out tab;
175 tag "ToNext" [arity s.Q.tn; precs s.Q.tn; nexts s.Q.tn] out tab
177 tag ccs_root attrs ~contents out 0;