Move ShiftUI source code to ShiftOS

This'll be a lot easier to work on.

1 files changed, 257 insertions, 0 deletions

diff --git a/source/ShiftUI/Internal/DebugHelper.cs b/source/ShiftUI/Internal/DebugHelper.cs
new file mode 100644
index 0000000..3c76307
--- /dev/null
+++ b/source/ShiftUI/Internal/DebugHelper.cs
@@ -0,0 +1,257 @@
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// Copyright (c) 2008 Novell, Inc.
+//
+// Authors:
+//	Andreia Gaita ([email protected])
+//
+
+//#define DEBUG
+//#define TRACE
+
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+using System.IO;
+using System.Diagnostics;
+
+namespace ShiftUI
+{
+	internal class DebugHelper
+	{
+		static DebugHelper () {
+			Debug.AutoFlush = true;
+		}
+		
+		struct Data {
+			public MethodBase method;
+			public object[] args;
+			public Data (MethodBase m, object[] a) {
+				this.method = m;
+				this.args = a;
+			}
+		}
+
+		static Stack<Data> methods = new Stack<Data>();
+		
+		[Conditional("DEBUG")]
+		internal static void DumpCallers () {
+            StackTrace trace = new StackTrace(true);
+			int count = trace.FrameCount;
+			Debug.Indent ();
+			for (int i = 1; i < count; i++) {
+            	StackFrame parentFrame = trace.GetFrame(i);
+            	MethodBase parentMethod = parentFrame.GetMethod();
+				string file = parentFrame.GetFileName();
+				if (file != null && file.Length > 1)
+					file = file.Substring (file.LastIndexOf (Path.DirectorySeparatorChar) + 1);
+				Debug.WriteLine(parentMethod.DeclaringType.Name + "." + parentMethod.Name + 
+				              " at " + file + ":" + parentFrame.GetFileLineNumber()
+				              );				
+			}
+			
+			Debug.Unindent ();
+		}
+
+		[Conditional("DEBUG")]
+		internal static void DumpCallers (int count) {
+            StackTrace trace = new StackTrace(true);
+			int c = (count > trace.FrameCount ? trace.FrameCount : count);
+			Debug.Indent ();
+			for (int i = 1; i < c; i++) {
+            	StackFrame parentFrame = trace.GetFrame(i);
+            	MethodBase parentMethod = parentFrame.GetMethod();
+				string file = parentFrame.GetFileName();
+				if (file != null && file.Length > 1)
+					file = file.Substring (file.LastIndexOf (Path.DirectorySeparatorChar) + 1);
+				Debug.WriteLine(parentMethod.DeclaringType.Name + "." + parentMethod.Name + 
+				              " at " + file + ":" + parentFrame.GetFileLineNumber()
+				              );				
+			}
+			
+			Debug.Unindent ();
+		}
+
+		[Conditional("DEBUG")]
+		internal static void Enter ()
+		{
+			StackTrace trace = new StackTrace();
+			methods.Push (new Data (trace.GetFrame(1).GetMethod(), null));
+			Print ();
+			Debug.Indent ();
+		}
+
+		[Conditional("DEBUG")]
+		internal static void Enter (object[] args) 
+		{
+			StackTrace trace = new StackTrace();
+			methods.Push (new Data (trace.GetFrame(1).GetMethod(), args));
+			Print ();
+			Debug.Indent ();
+		}
+
+		[Conditional("DEBUG")]
+		internal static void Leave ()
+		{
+			if (methods.Count > 0) {
+				methods.Pop ();
+				Debug.Unindent ();
+			}
+		}
+
+		[Conditional("DEBUG")]
+		internal static void Print ()
+		{
+			if (methods.Count == 0)
+				return;
+
+			Data data = methods.Peek ();
+			Debug.WriteLine (data.method.DeclaringType.Name + "." + data.method.Name);
+		}
+
+		[Conditional("DEBUG")]
+		internal static void Print (int index)
+		{
+			if (methods.Count == 0 || methods.Count <= index || index < 0)
+				return;
+
+			Stack<Data> temp = new Stack<Data>(index-1);
+
+			for (int i = 0; i < index; i++)
+				temp.Push (methods.Pop ());
+
+			Data data = methods.Peek ();
+			for (int i = 0; i < temp.Count; i++)
+				methods.Push (temp.Pop());
+			temp = null;
+
+			Debug.WriteLine (data.method.DeclaringType.Name + "." + data.method.Name);
+		}
+
+		[Conditional("DEBUG")]
+		internal static void Print (string methodName, string parameterName) 
+		{
+			if (methods.Count == 0)
+				return;
+
+			Stack<Data> temp = new Stack<Data>();
+
+			Data data = methods.Peek ();
+			bool foundit = false;
+			for (int i = 0; i < methods.Count; i++)
+			{
+				data = methods.Peek ();
+				if (data.method.Name.Equals (methodName)) {
+					foundit = true;
+					break;
+				}
+				temp.Push (methods.Pop ());
+			}
+
+			for (int i = 0; i < temp.Count; i++)
+				methods.Push (temp.Pop());
+			temp = null;
+
+			if (!foundit)
+				return;
+
+			Debug.WriteLine (data.method.DeclaringType.Name + "." + data.method.Name);
+			ParameterInfo[] pi = data.method.GetParameters ();
+
+			for (int i = 0; i < pi.Length; i++) {
+				if (pi[i].Name == parameterName) {
+					Debug.Indent ();
+					Debug.Write (parameterName + "=");
+					if (pi[i].ParameterType == typeof(IntPtr))
+						Debug.WriteLine (String.Format ("0x{0:x}", ((IntPtr)data.args[i]).ToInt32()));
+					else
+						Debug.WriteLine (data.args[i]);
+					Debug.Unindent ();
+				}
+			}			
+		}
+
+		[Conditional("DEBUG")]
+		internal static void Print (string parameterName)
+		{
+			if (methods.Count == 0)
+				return;
+			Data data = methods.Peek ();
+			
+			ParameterInfo[] pi = data.method.GetParameters ();
+
+			for (int i = 0; i < pi.Length; i++) {
+				if (pi[i].Name == parameterName) {
+					Debug.Indent ();
+					Debug.Write (parameterName + "=");
+					if (pi[i].ParameterType == typeof(IntPtr))
+						Debug.WriteLine (String.Format ("0x{0:x}", data.args[i]));
+					else
+						Debug.WriteLine (data.args[i]);
+					Debug.Unindent ();
+				}
+			}			
+		}
+
+		[Conditional("DEBUG")]
+		internal static void WriteLine (object arg)
+		{
+			Debug.WriteLine (arg);
+		}
+
+		[Conditional("DEBUG")]
+		internal static void WriteLine (string format, params object[] arg)
+		{
+			Debug.WriteLine (String.Format (format, arg));
+		}
+
+		[Conditional("DEBUG")]
+		internal static void WriteLine (string message)
+		{
+			Debug.WriteLine (message);
+		}
+
+		[Conditional("DEBUG")]
+		internal static void Indent ()
+		{
+			Debug.Indent ();
+		}
+
+		[Conditional("DEBUG")]
+		internal static void Unindent ()
+		{
+			Debug.Unindent ();
+		}
+		
+		[Conditional("TRACE")]
+		internal static void TraceWriteLine (string format, params object[] arg)
+		{
+			Debug.WriteLine (String.Format (format, arg));
+		}
+
+		[Conditional("TRACE")]
+		internal static void TraceWriteLine (string message)
+		{
+			Debug.WriteLine (message);
+		}
+		
+	}
+}