/src/NUnit/util/RecentFileEntry.cs

// ****************************************************************

// Copyright 2007, Charlie Poole

// This is free software licensed under the NUnit license. You may

// obtain a copy of the license at http://nunit.org

// ****************************************************************



using System;



namespace NUnit.Util

{

	public class RecentFileEntry

	{

		public static readonly char Separator = ',';



		private string path;

		

		private Version clrVersion;



		public RecentFileEntry( string path )

		{

			this.path = path;

			this.clrVersion = Environment.Version;

		}



		public RecentFileEntry( string path, Version clrVersion )

		{

			this.path = path;

			this.clrVersion = clrVersion;

		}



		public string Path

		{

			get { return path; }

		}



		public Version CLRVersion

		{

			get { return clrVersion; }

		}



		public bool Exists

		{

			get { return path != null && System.IO.File.Exists( path ); }

		}



		public bool IsCompatibleCLRVersion

		{

			get { return clrVersion.Major <= Environment.Version.Major; }

		}



		public override string ToString()

		{

			return Path + Separator + CLRVersion.ToString();

		}



		public static RecentFileEntry Parse( string text )

		{

			int sepIndex = text.LastIndexOf( Separator );



			if ( sepIndex > 0 )

				try

				{

					return new RecentFileEntry( text.Substring( 0, sepIndex ), 

						new Version( text.Substring( sepIndex + 1 ) ) );

				}

				catch

				{

					//The last part was not a version, so fall through and return the whole text

				}

			

			return new RecentFileEntry( text );

		}

	}

}