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using System;
using System.Text;
using System.Text.RegularExpressions;
using System.Globalization;
using log4net.Core;
using log4net.Layout;
using log4net.Appender;
using log4net.Util;
namespace OpenSim.Framework.Console
{
public class OpenSimAppender : AnsiColorTerminalAppender
{
override protected void Append(LoggingEvent le)
{
try {
string loggingMessage = RenderLoggingEvent(le);
string regex = @"^(?<Front>.*?)\[(?<Category>[^\]]+)\]:?(?<End>.*)";
Regex RE = new Regex(regex, RegexOptions.Multiline);
MatchCollection matches = RE.Matches(loggingMessage);
// Get some direct matches $1 $4 is a
if (matches.Count == 1)
{
System.Console.Write(matches[0].Groups["Front"].Value);
System.Console.Write("[");
WriteColorText(DeriveColor(matches[0].Groups["Category"].Value), matches[0].Groups["Category"].Value);
System.Console.Write("]:");
if (le.Level == Level.Error)
{
WriteColorText(ConsoleColor.Red, matches[0].Groups["End"].Value);
}
else if (le.Level == Level.Warn)
{
WriteColorText(ConsoleColor.Yellow, matches[0].Groups["End"].Value);
}
else
{
System.Console.Write(matches[0].Groups["End"].Value);
}
System.Console.WriteLine();
}
else
{
System.Console.Write(loggingMessage);
}
}
catch (Exception e)
{
System.Console.WriteLine("Couldn't write out log message", e.ToString());
}
}
private void WriteColorText(ConsoleColor color, string sender)
{
try
{
lock (this)
{
try
{
System.Console.ForegroundColor = color;
System.Console.Write(sender);
System.Console.ResetColor();
}
catch (ArgumentNullException)
{
// Some older systems dont support coloured text.
System.Console.WriteLine(sender);
}
}
}
catch (ObjectDisposedException)
{
}
}
private ConsoleColor DeriveColor(string input)
{
int colIdx = (input.ToUpper().GetHashCode() % 6) + 9;
return (ConsoleColor) colIdx;
}
}
}
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