[Csmail-patches] CVS: csmail/src/CSMail.Utils StateBag.cs,NONE,1.1 StateItem.cs,NONE,1.1 ChangeLog,1.8,1.9

[Gaurav V. <mas...@us...>]

Update of /cvsroot/csmail/csmail/src/CSMail.Utils
In directory usw-pr-cvs1:/tmp/cvs-serv1365

Modified Files:
	ChangeLog 
Added Files:
	StateBag.cs StateItem.cs 
Log Message:
2002-09-13

* StateBag.cs             : Added new class.
* StateItem.cs            : Added new class.





--- NEW FILE ---
/**
 * Namespace:   CSMail
 * Class:       StateBag
 *
 * Author:      Gaurav Vaish
 * Maintainer:  mastergaurav AT users DOT sf DOT net
 *
 * (C) Gaurav Vaish (2002)
 */

using System;
using System.Collections;
using System.Collections.Specialized;

namespace CSMail.Utils
{
	public sealed class StateBag : IDictionary, ICollection, IEnumerable
	{
		private bool ignoreCase;
		private bool marked;
		private HybridDictionary bag;

		public StateBag(bool ignoreCase)
		{
			Initialize(ignoreCase);
		}

		public StateBag()
		{
			Initialize(false);
		}

		private void Initialize(bool ignoreCase)
		{
			this.ignoreCase = ignoreCase;
			marked = false;
			bag = new HybridDictionary(ignoreCase);
		}

		public int Count
		{
			get
			{
				return bag.Count;
			}
		}


		public object this[string key]
		{
			get
			{
				if(key == null || key.Length == 0)
				{
					throw new ArgumentException ("[this] Key_Cannot_Be_Null");
				}

				object val = bag [key];

				if(val is StateItem)
				{
					return ((StateItem) val).Value;
				}

				return null;
			}

			set
			{
				Add(key, value);
			}
		}

		object IDictionary.this[object key]
		{
			get
			{
				return this[(string) key];
			}

			set
			{
				Add((string)key, value);
			}
		}

		public ICollection Keys
		{
			get
			{
				return bag.Keys;
			}
		}

		public ICollection Values
		{
			get
			{
				return bag.Values;
			}
		}

		public StateItem Add(string key, object value)
		{
			if (key == null || key.Length == 0)
				throw new ArgumentException ("[Add] Key_Cannot_Be_Null");

			StateItem val = (StateItem)bag[key];
			if(val == null)
			{
				if(value != null || marked)
				{
					val = new StateItem(value);
					bag.Add (key, val);
				}
			} else if(value == null && !marked)
			{
				bag.Remove (key);
			}
			else
			{
				val.Value = value;
			}

			if(val != null && marked)
			{
				val.IsDirty = true;
			}

			return val;
		}

		public void Clear()
		{
			bag.Clear();
		}

		public IDictionaryEnumerator GetEnumerator()
		{
			return bag.GetEnumerator();
		}

		public bool IsItemDirty(string key)
		{
			object o = bag[key];

			if (o is StateItem)
				return ((StateItem) o).IsDirty;

			return false;
		}

		public void Remove(string key)
		{
			bag.Remove(key);
		}

		/// <summary>
		/// Undocumented
		/// </summary>
		public void SetItemDirty(string key, bool dirty)
		{
			if (bag[key] is StateItem)
			{
				((StateItem) bag [key]).IsDirty = dirty;
			}
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}

		void ICollection.CopyTo(Array array, int index)
		{
			Values.CopyTo(array, index);
		}

		bool ICollection.IsSynchronized
		{
			get
			{
				return false;
			}
		}

		object ICollection.SyncRoot
		{
			get
			{
				return this;
			}
		}

		void IDictionary.Add(object key, object value)
		{
			Add((string) key, value);
		}

		void IDictionary.Remove(object key)
		{
			Remove((string) key);
		}

		bool IDictionary.Contains(object key)
		{
			return bag.Contains((string) key);
		}

		bool IDictionary.IsFixedSize
		{
			get
			{
				return false;
			}
		}

		bool IDictionary.IsReadOnly
		{
			get
			{
				return false;
			}
		}
	}
}

--- NEW FILE ---
/**
 * Namespace:   CSMail
 * Class:       StateItem
 *
 * Author:      Gaurav Vaish
 * Maintainer:  mastergaurav AT users DOT sf DOT net
 *
 * (C) Gaurav Vaish (2002)
 */

namespace CSMail.Utils
{
	public sealed class StateItem
	{
		private object val;
		private bool   isDirty;

		private StateItem()
		{
		}

		internal StateItem(object value)
		{
			this.val = value;
		}
		
		public bool IsDirty
		{
			get
			{
				return isDirty;
			}
			set
			{
				isDirty = value;
			}
		}
		
		public object Value
		{
			get
			{
				return val;
			}
			set
			{
				this.val = value;
			}
		}
	}
}

Index: ChangeLog
===================================================================
RCS file: /cvsroot/csmail/csmail/src/CSMail.Utils/ChangeLog,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -r1.8 -r1.9
--- ChangeLog	30 Aug 2002 10:32:41 -0000	1.8
+++ ChangeLog	13 Sep 2002 05:54:06 -0000	1.9
@@ -1,4 +1,9 @@
 
+2002-09-13    Gaurav Vaish <mastergaurav AT users DOT sf DOT net>
+
+	* StateBag.cs             : Added new class.
+	* StateItem.cs            : Added new class.
+
 2002-08-30    Gaurav Vaish <mastergaurav AT users DOT sf DOT net>
 
 	* Properties.cs            : Changed value type to object.