reorganizing a bit

CUETools.Compression/Compression.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace CUETools.Compression
+{
+	public interface ICompressionProvider
+	{
+		Stream Decompress(string file);
+		void Close();
+		IEnumerable<string> Contents { get; }
+
+		event EventHandler<CompressionPasswordRequiredEventArgs> PasswordRequired;
+		event EventHandler<CompressionExtractionProgressEventArgs> ExtractionProgress;
+	}
+
+	#region Event Argument Classes
+	public class CompressionPasswordRequiredEventArgs : EventArgs
+	{
+		public string Password = string.Empty;
+		public bool ContinueOperation = true;
+	}
+
+	public class CompressionExtractionProgressEventArgs : EventArgs
+	{
+		public string FileName;
+		public long FileSize;
+		public long BytesExtracted;
+		public double PercentComplete;
+		public bool ContinueOperation = true;
+	}
+	#endregion
+
+	[AttributeUsage(AttributeTargets.Class, AllowMultiple = false)]
+	public sealed class CompressionProviderClass : Attribute
+	{
+		private string _extension;
+
+		public CompressionProviderClass(string extension)
+		{
+			_extension = extension;
+		}
+
+		public string Extension
+		{
+			get { return _extension; }
+		}
+	}
+}