mono/mcs/class/System/System.Diagnostics/TraceImpl.cs

//
// System.Diagnostics.TraceImpl.cs
//
// Authors:
//   Jonathan Pryor ([email protected])
//
// (C) 2002 Jonathan Pryor
//


using System;
using System.Diagnostics;

namespace System.Diagnostics {

	internal class TraceImpl {

		private static object lock_ = new object ();

		private static bool autoFlush = false;

		public static bool AutoFlush {
			get {return autoFlush;}
			set {autoFlush = value;}
		}

		// FIXME: From MSDN: "This property is stored on 
		// per-thread/pre-reqeust basis"
		//
		// What exactly does this mean?  Sure, we can mark it
		// [ThreadStatic], which make a per-thread value, but what
		// does this mean for each of the writers?  Do *they* need to
		// store this as a thread-static value?
		[MonoTODO, ThreadStatic]
		private static int indentLevel = 0;

		public static int IndentLevel {
			get {return indentLevel;}
			set {indentLevel = value;}
		}

		// FIXME: From MSDN: "This property is stored on 
		// per-thread/pre-reqeust basis"
		//
		// What exactly does this mean?  Sure, we can mark it
		// [ThreadStatic], which makes a per-thread value, but what
		// does this mean for each of the writers?  Do *they* need to
		// store this as a thread-static value?
		[MonoTODO, ThreadStatic]
		private static int indentSize = 4;

		public static int IndentSize {
			get {return indentSize;}
			set {indentSize = value;}
		}

		private static TraceListenerCollection listeners = 
			new TraceListenerCollection ();

		public static TraceListenerCollection Listeners {
			get {return listeners;}
		}

		// FIXME: According to MSDN, this method should display a dialog box
		[MonoTODO]
		public static void Assert (bool condition)
		{
			if (!condition)
				Fail (new StackTrace().ToString());
		}

		// FIXME: According to MSDN, this method should display a dialog box
		[MonoTODO]
		public static void Assert (bool condition, string message)
		{
			if (!condition)
				Fail (message);
		}

		// FIXME: According to MSDN, this method should display a dialog box
		[MonoTODO]
		public static void Assert (bool condition, string message, 
			string detailMessage)
		{
			if (!condition)
				Fail (message, detailMessage);
		}

		public static void Close ()
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.Close ();
				}
			}
		}

		// FIXME: From testing .NET, this method should display a dialog
		[MonoTODO]
		public static void Fail (string message)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.Fail (message);
				}
			}
		}

		// FIXME: From testing .NET, this method should display a dialog
		[MonoTODO]
		public static void Fail (string message, string detailMessage)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.Fail (message, detailMessage);
				}
			}
		}

		public static void Flush ()
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners){
					listener.Flush ();
				}
			}
		}

		public static void Indent ()
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.IndentLevel++;
				}
			}
		}

		public static void Unindent ()
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.IndentLevel--;
				}
			}
		}

		public static void Write (object value)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.Write (value);

					if (AutoFlush)
						listener.Flush ();
				}
			}
		}

		public static void Write (string message)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.Write (message);

					if (AutoFlush)
						listener.Flush ();
				}
			}
		}

		public static void Write (object value, string category)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.Write (value, category);

					if (AutoFlush)
						listener.Flush ();
				}
			}
		}

		public static void Write (string message, string category)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.Write (message, category);

					if (AutoFlush)
						listener.Flush ();
				}
			}
		}

		public static void WriteIf (bool condition, object value)
		{
			if (condition)
				Write (value);
		}

		public static void WriteIf (bool condition, string message)
		{
			if (condition)
				Write (message);
		}

		public static void WriteIf (bool condition, object value, 
			string category)
		{
			if (condition)
				Write (value, category);
		}

		public static void WriteIf (bool condition, string message, 
			string category)
		{
			if (condition)
				Write (message, category);
		}

		public static void WriteLine (object value)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.WriteLine (value);

					if (AutoFlush)
						listener.Flush ();
				}
			}
		}

		public static void WriteLine (string message)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.WriteLine (message);

					if (AutoFlush)
						listener.Flush ();
				}
			}
		}

		public static void WriteLine (object value, string category)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.WriteLine (value, category);

					if (AutoFlush)
						listener.Flush ();
				}
			}
		}

		public static void WriteLine (string message, string category)
		{
			lock (lock_) {
				foreach (TraceListener listener in Listeners) {
					listener.WriteLine (message, category);

					if (AutoFlush)
						listener.Flush ();
				}
			}
		}

		public static void WriteLineIf (bool condition, object value)
		{
			if (condition)
				WriteLine (value);
		}

		public static void WriteLineIf (bool condition, string message)
		{
			if (condition)
				WriteLine (message);
		}

		public static void WriteLineIf (bool condition, object value, 
			string category)
		{
			if (condition)
				WriteLine (value, category);
		}

		public static void WriteLineIf (bool condition, string message, 
			string category)
		{
			if (condition)
				WriteLine (message, category);
		}
	}
}