Initial revision

[helm.git] / helm / DEVEL / pxp / pxp / examples / readme / main.ml

diff --git a/helm/DEVEL/pxp/pxp/examples/readme/main.ml b/helm/DEVEL/pxp/pxp/examples/readme/main.ml
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+(* $Id$
+ * ----------------------------------------------------------------------
+ *
+ *)
+
+open Pxp_types
+open Pxp_document
+open Pxp_yacc
+
+
+let rec print_error e =
+  prerr_endline(string_of_exn e)
+;;
+
+
+let run f a =
+  try f a with
+      e -> print_error e
+;;
+
+
+let convert_to_html filename =
+  (* read in style definition *)
+  let document =
+    parse_document_entity
+      { default_config with encoding = `Enc_iso88591 }
+      (from_file filename)
+      To_html.tag_map
+  in
+  let root = document # root in
+  let store = new To_html.store in
+  root # extension # to_html store stdout
+;;
+
+
+let convert_to_text filename =
+  (* read in style definition *)
+  let document =
+    parse_document_entity
+      default_config
+      (from_file filename)
+      To_text.tag_map
+  in
+  let root = document # root in
+  let store = new To_text.store in
+  let box = new To_text.box 79 79 in
+  root # extension # to_box store box;
+  box # output 0 0 stdout
+;;
+
+
+let main() =
+  let want_html = ref false in
+  let want_text = ref false in
+  let filename = ref None in
+  Arg.parse
+      [ "-html", Arg.Set want_html, 
+             "  convert file to html";
+       "-text", Arg.Set want_text,
+             "  convert file to text";
+      ]
+      (fun s -> 
+        match !filename with
+            None -> filename := Some s
+          | Some _ ->
+              raise (Arg.Bad "Multiple arguments not allowed."))
+      "usage: readme [ -text | -html ] input.xml >output";
+  let fn =
+    match !filename with
+       None -> 
+         prerr_endline "readme: no input";
+         exit 1
+      | Some s -> s
+  in
+  match !want_html, !want_text with
+      true, false ->
+       run convert_to_html fn
+    | false, true ->
+       run convert_to_text fn
+    | _ ->
+       prerr_endline ("readme: Please select exactly one output format")
+;;
+
+main();;
+
+(* ======================================================================
+ * History:
+ *
+ * $Log$
+ * Revision 1.1  2000/11/17 09:57:31  lpadovan
+ * Initial revision
+ *
+ * Revision 1.5  2000/07/08 17:58:17  gerd
+ *     Updated because of PXP API changes.
+ *
+ * Revision 1.4  2000/06/04 20:25:38  gerd
+ *     Updates because of renamed PXP modules.
+ *
+ * Revision 1.3  2000/05/01 16:46:40  gerd
+ *     Using the new error formatter.
+ *
+ * Revision 1.2  1999/08/23 16:54:19  gerd
+ *     Minor changes.
+ *
+ * Revision 1.1  1999/08/22 22:29:32  gerd
+ *     Initial revision.
+ *
+ *)