// /**
// ********
// *
// * ORIGINAL CODE BASE IS Copyright (C) 2006-2010 by Alphons van der Heijden
// * The code was donated on 4/28/2010 by Alphons van der Heijden
// * To Brandon 'Dimentox Travanti' Husbands & Malcolm J. Kudra, who in turn License under the GPLv2.
// * In agreement with Alphons van der Heijden's wishes.
// *
// * The community would like to thank Alphons for all of his hard work, blood sweat and tears.
// * Without his work the community would be stuck with crappy editors.
// *
// * The source code in this file ("Source Code") is provided by The LSLEditor Group
// * to you under the terms of the GNU General Public License, version 2.0
// * ("GPL"), unless you have obtained a separate licensing agreement
// * ("Other License"), formally executed by you and The LSLEditor Group.  Terms of
// * the GPL can be found in the gplv2.txt document.
// *
// ********
// * GPLv2 Header
// ********
// * LSLEditor, a External editor for the LSL Language.
// * Copyright (C) 2010 The LSLEditor Group.
// 
// * This program is free software; you can redistribute it and/or
// * modify it under the terms of the GNU General Public License
// * as published by the Free Software Foundation; either version 2
// * of the License, or (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// * GNU General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program; if not, write to the Free Software
// * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
// ********
// *
// * The above copyright notice and this permission notice shall be included in all 
// * copies or substantial portions of the Software.
// *
// ********
// */
using System; // bitconvertor
using System.IO;
using System.IO.Compression;

using System.Security.Cryptography;


namespace LSLEditor.Decompressor
{
	public class MD5Verify
	{
		public static string ComputeHash(string strFile)
		{
			MD5CryptoServiceProvider csp = new MD5CryptoServiceProvider();
			FileStream stream = File.OpenRead(strFile);
			byte[] hash = csp.ComputeHash(stream);
			stream.Close();
			return BitConverter.ToString(hash).Replace("-", "").ToLower();
		}
	}

	public sealed class Gzip
	{
		public static void Decompress(Stream inStream, Stream outStream)
		{
			using (outStream)
			{
				using (GZipStream zipStream = new GZipStream(inStream, CompressionMode.Decompress))
				{
					int ch = zipStream.ReadByte();
					while (ch != -1)
					{
						outStream.WriteByte((byte)ch);
						ch = zipStream.ReadByte();
					}
				}
			}
		}
	}

	
	public sealed class Zip
	{
		public static void Decompress(Stream inStream, Stream outStream)
		{
			ZipEntry zipEntry = ZipEntry.Read(inStream);
			inStream.Close();
			using (outStream)
			{
				zipEntry.Extract(outStream);
			}
		}
	}
}