protected override void Append()

in src/log4net/Appender/AnsiColorTerminalAppender.cs [299:358]
47 lines of code
10 McCabe index (conditional complexity)

		protected override void Append(log4net.Core.LoggingEvent loggingEvent) 
		{
			string loggingMessage = RenderLoggingEvent(loggingEvent);

			// see if there is a specified lookup.
			LevelColors levelColors = m_levelMapping.Lookup(loggingEvent.Level) as LevelColors;
			if (levelColors != null)
			{
				// Prepend the Ansi Color code
				loggingMessage = levelColors.CombinedColor + loggingMessage;
			}

			// on most terminals there are weird effects if we don't clear the background color
			// before the new line.  This checks to see if it ends with a newline, and if
			// so, inserts the clear codes before the newline, otherwise the clear codes
			// are inserted afterwards.
			if (loggingMessage.Length > 1)
			{
				if (loggingMessage.EndsWith("\r\n") || loggingMessage.EndsWith("\n\r")) 
				{
					loggingMessage = loggingMessage.Insert(loggingMessage.Length - 2, PostEventCodes);
				} 
				else if (loggingMessage.EndsWith("\n") || loggingMessage.EndsWith("\r")) 
				{
					loggingMessage = loggingMessage.Insert(loggingMessage.Length - 1, PostEventCodes);
				} 
				else 
				{
					loggingMessage = loggingMessage + PostEventCodes;
				}
			}
			else
			{
				if (loggingMessage[0] == '\n' || loggingMessage[0] == '\r') 
				{
					loggingMessage = PostEventCodes + loggingMessage;
				} 
				else 
				{
					loggingMessage = loggingMessage + PostEventCodes;
				}
			}

#if NETCF_1_0
			// Write to the output stream
			Console.Write(loggingMessage);
#else
			if (m_writeToErrorStream)
			{
				// Write to the error stream
				Console.Error.Write(loggingMessage);
			}
			else
			{
				// Write to the output stream
				Console.Write(loggingMessage);
			}
#endif
		
		}