Logger.cs

   1 // /home/jeremie/TaoParser/NGenerator/Logger.cs
   2 // Writtent by jeremie at 17:47 09/06/2007
   3 //
   4 // This file is licensed under the LGPL licence as described in the COPYING file
   5
   6 using System;
   7 using System.IO;
   8 using System.Diagnostics;
   9
  10 namespace NGenerator
  11 {
  12         public enum LogType {
  13                 Debug,
  14                 Error
  15         }
  16
  17         public static class Logger
  18         {
  19                 static TextWriter sw = Console.Out;
  20
  21                 public static TextWriter Output {
  22             get  {
  23                 return sw;
  24             }
  25                         set {
  26                                 if (value == null)
  27                                         throw new ArgumentNullException("value");
  28                 sw.Dispose();
  29                                 sw = value;
  30                         }
  31                 }
  32
  33                 private static void Log(LogType type, string mess)
  34                 {
  35                         StackTrace st = new StackTrace();
  36                         StackFrame sf = st.GetFrame(2);
  37
  38                         if (mess == null || sf == null)
  39                                 return;
  40
  41                         if (sw == Console.Out)
  42                                 Console.ForegroundColor = (type == LogType.Error) ? ConsoleColor.DarkRed : ConsoleColor.DarkBlue;
  43
  44                         sw.WriteLine(type.ToString()+" -> "+ sf.GetMethod().Name+" :: "+mess);
  45
  46                         if (sw == Console.Out)
  47                                 Console.ResetColor();
  48                 }
  49
  50                 [System.Diagnostics.ConditionalAttribute("__DEBUG__")]
  51                 public static void Debug(string mess)
  52                 {
  53                         Log(LogType.Debug, mess);
  54                 }
  55
  56                 public static void Error(string mess, Exception ex)
  57                 {
  58                         string message = (ex == null) ? mess : (mess + ", Exception type : " + ex.GetType().ToString()
  59                                 + ", Exception message : " + ex.Message);
  60                         Log(LogType.Error, message);
  61                 }
  62         }
  63 }