--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/Settings/XmlSettingsBoundedList.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,174 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+* 
+* Description:
+*
+*/
+using System;
+using System.Collections.Generic;
+
+namespace SymbianUtils.Settings
+{
+	public class XmlSettingsBoundedList
+	{
+		#region Constructors
+		public XmlSettingsBoundedList( string aCategory, XmlSettings aSettings )
+		{
+			// Since the max capacity was not supplied, we can attempt to read
+			// it from the settings or then if not found, we default to 10.
+			iSettings = aSettings;
+			iCategory = aCategory;
+			iMaxCapacity = SettingsMaxCapacity;
+			//
+			Restore();
+		}
+
+		public XmlSettingsBoundedList( string aCategory, XmlSettings aSettings, int aMaxCapacity )
+		{
+			iSettings = aSettings;
+			iCategory = aCategory;
+			iMaxCapacity = aMaxCapacity;
+			//
+			Restore();
+		}
+		#endregion
+
+		#region API
+		public void Restore()
+		{
+			// Newest additions are stored at the front of the list.
+			// Oldest items are therefore at the end
+			iList.Clear();
+			//
+			int settingsCount = SettingsCount;
+            for ( int i = 0; i < settingsCount && i < MaxCapacity; i++ )
+			{
+				string item = SettingItem(i);
+				iList.Add( item );
+			}
+		}
+
+		public void Store()
+		{
+			// Remove all entries that already exist
+			// within the settings object
+			RemoveAllExistingSettings();
+
+			// Now add the replacement items
+			int settingsCount = iList.Count;
+			SettingsCount = settingsCount;
+			for(int i=0; i<settingsCount; i++)
+			{
+				string itemKey = MakeSettingsKey( i );
+				string itemValue = iList[ i ];
+				//
+				iSettings[ Category, itemKey ] = itemValue;
+			}
+		}
+
+		public void Add( string aValue )
+		{
+			// First, add the item
+			iList.Insert( 0, aValue );
+
+			// If the capacity has reached the limit, we remove the last (oldest) item
+			if	( iList.Count > MaxCapacity )
+			{
+				iList.RemoveAt( MaxCapacity );
+			}
+		}
+		#endregion
+
+		#region Properties
+		public int MaxCapacity
+		{
+			get { return iMaxCapacity; }
+		}
+
+		public string Category
+		{
+			get { return iCategory; }
+		}
+
+		public int Count
+		{
+			get { return iList.Count; }
+		}
+		#endregion
+
+		#region Internal properties
+		private int SettingsCount
+		{
+			get
+			{
+				int count = 0;
+				string countAsString = iSettings[Category, "_NumberOfItems"];
+				if	(countAsString != null)
+				{
+					count = System.Convert.ToInt32(countAsString);
+				}
+				return count;
+			}
+			set
+			{
+				iSettings[Category, "_NumberOfItems"] = value.ToString();
+			}
+		}
+
+		private int SettingsMaxCapacity
+		{
+			get
+			{
+				int capacity = 0;
+				string capacityAsString = iSettings[Category, "_MaxCapacity"];
+				if	(capacityAsString != null)
+				{
+					capacity = System.Convert.ToInt32(capacityAsString);
+				}
+				return capacity;
+			}
+			set
+			{
+				iSettings[Category, "_MaxCapacity"] = value.ToString();
+			}
+		}
+		#endregion
+
+		#region Internal methods
+		private string MakeSettingsKey( int aIndex )
+		{
+			return "_Entry_Id_" + aIndex.ToString( "0000" );
+		}
+
+		private string SettingItem( int aIndex )
+		{
+			string key = MakeSettingsKey( aIndex );
+			string itemValue = iSettings[ Category, key ];
+			//
+			return itemValue;
+		}
+
+		private void RemoveAllExistingSettings()
+		{
+			iSettings.Remove( Category );
+		}
+		#endregion
+
+		#region Data members
+		int iMaxCapacity = 100;
+		readonly string iCategory;
+		readonly XmlSettings iSettings;
+		List<string> iList = new List<string>(10);
+		#endregion
+	}
+}