--- /dev/null
+(*
+ * Copyright (C) 2003:
+ * Stefano Zacchiroli <zack@cs.unibo.it>
+ * for the HELM Team http://helm.cs.unibo.it/
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+open Printf;;
+
+type priority = [
+ `Emerg | `Alert | `Crit | `Err | `Warning | `Notice | `Info | `Debug
+]
+
+let int_of_priority = function
+ | `Emerg -> 0
+ | `Alert -> 1
+ | `Crit -> 2
+ | `Err -> 3
+ | `Warning -> 4
+ | `Notice -> 5
+ | `Info -> 6
+ | `Debug -> 7
+
+let string_of_priority = function
+ | `Emerg -> "EMERGENCY"
+ | `Alert -> "ALERT"
+ | `Crit -> "CRITICAL"
+ | `Err -> "ERROR"
+ | `Warning -> "WARNING"
+ | `Notice -> "NOTICE"
+ | `Info -> "INFO"
+ | `Debug -> "DEBUG"
+
+class sysLogger ?(level: priority = `Notice) ?(outchan = stderr) () =
+ object (self)
+ val level_no = int_of_priority level
+ val mutable enabled = false
+ method level = level
+ method levelNo = level_no
+ method enable = enabled <- true
+ method disable = enabled <- false
+ method log (prio: priority) msg =
+ let tm = Unix.localtime (Unix.time ()) in
+ if enabled && (int_of_priority prio <= level_no) then begin
+ fprintf outchan ("[UWOBO %02d/%02d/%4d %02d:%02d:%02d] %s: %s\n")
+ tm.Unix.tm_mday (tm.Unix.tm_mon + 1) (tm.Unix.tm_year + 1900)
+ tm.Unix.tm_hour tm.Unix.tm_min tm.Unix.tm_sec
+ (string_of_priority prio) msg;
+ flush outchan
+ end
+ end
+
+ (** non thread safe, a processingLogger is usually instantied locally for each
+ thread *)
+class processingLogger =
+ let html_escape = Netencoding.Html.encode ~in_enc:`Enc_iso88591 () in
+ fun () ->
+ object
+ val mutable log_lines: string list = []
+ method log msg = log_lines <- msg :: log_lines
+ method asText = String.concat "\n" (List.rev log_lines)
+ method asHtml =
+ sprintf
+ "<html><body>\n%s\n</body></html>"
+ (String.concat "<br />\n" (List.map html_escape (List.rev log_lines)))
+ end
+
projects / helm.git / blobdiff