include/util/MessageSystem.h

   1 /** Aesalon, a tool to visualize program behaviour in real time.
   2         Copyright (C) 2009-2011, Aesalon development team.
   3
   4         Aesalon is distributed under the terms of the GNU GPLv3. See
   5         the included file LICENSE for more information.
   6
   7         @file include/util/MessageSystem.h
   8 */
   9
  10 #ifndef AesalonUtil_MessageSystem_H
  11 #define AesalonUtil_MessageSystem_H
  12
  13 #include <string>
  14
  15 #include "util/StreamAsString.h"
  16
  17 namespace Util {
  18
  19 class MessageSystem {
  20 public:
  21         enum MessageLevel {
  22                 Debug,
  23                 Log,
  24                 Warning,
  25                 Fatal
  26         };
  27 public:
  28         static void writeMessage(MessageLevel level, const std::string &message);
  29 };
  30
  31 } // namespace Util
  32
  33 /* Usage something like:
  34         Message(Debug, "The foo has passed bar #" << fooBar << " at baz #" << baz);
  35 */
  36
  37 #define Message(level, message) \
  38         Util::MessageSystem::writeMessage(level, Util::StreamAsString() << message)
  39
  40 #define Debug Util::MessageSystem::Debug
  41 #define Log Util::MessageSystem::Log
  42 #define Warning Util::MessageSystem::Warning
  43 #define Fatal Util::MessageSystem::Fatal
  44
  45 #define LevelString(level) \
  46         (level == Debug?("DEBUG"):( \
  47         level == Log?("LOG"):( \
  48         level == Warning?("WARN"):"FATAL")))
  49
  50 #endif