3 * Stefano Zacchiroli <zack@cs.unibo.it>
4 * for the HELM Team http://helm.cs.unibo.it/
6 * This file is part of HELM, an Hypertextual, Electronic
7 * Library of Mathematics, developed at the Computer Science
8 * Department, University of Bologna, Italy.
10 * HELM is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * HELM is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with HELM; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
25 * For details, see the HELM World-Wide-Web page,
26 * http://helm.cs.unibo.it/
30 | `Emerg (* system is unusable *)
31 | `Alert (* action must be taken immediately *)
32 | `Crit (* critical conditions *)
33 | `Err (* error conditions *)
34 | `Warning (* warning conditions *)
35 | `Notice (* normal, but significant, condition *)
36 | `Info (* informational message *)
37 | `Debug (* debug-level message *)
41 Warning: logging is disabled by default, you have to invoke #enable method
42 before being able to log anything.
43 @param level minimum level of priority that will be reported, msg with
44 priority less than this will be ignored
45 @param outchan output channel on which output log messages *)
47 ?level: priority -> ?outchan: out_channel ->
50 method level: priority
52 (** enable logging, by default logging is disabled *)
54 (** disable logging *)
57 method log: priority -> string -> unit
60 class processingLogger:
63 method log: string -> unit
64 method logBold: string -> unit
65 method logEmph: string -> unit