// BZip2.cs
//
// Copyright (C) 2001 Mike Krueger
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library. Thus, the terms and
// conditions of the GNU General Public License cover the whole
// combination.
//
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent
// modules, and to copy and distribute the resulting executable under
// terms of your choice, provided that you also meet, for each linked
// independent module, the terms and conditions of the license of that
// module. An independent module is a module which is not derived from
// or based on this library. If you modify this library, you may extend
// this exception to your version of the library, but you are not
// obligated to do so. If you do not wish to do so, delete this
// exception statement from your version.
using System;
using System.IO;
namespace ICSharpCode.SharpZipLib.BZip2
{
///
/// Does all the compress and decompress pre-operation stuff.
/// Sets up the streams and file header characters.
/// Uses multiply overloaded methods to call for the compress/decompress.
///
public sealed class BZip2
{
///
/// Decompress input writing
/// decompressed data to output stream
///
public static void Decompress(Stream instream, Stream outstream)
{
System.IO.Stream bos = outstream;
System.IO.Stream bis = instream;
BZip2InputStream bzis = new BZip2InputStream(bis);
int ch = bzis.ReadByte();
while (ch != -1) {
bos.WriteByte((byte)ch);
ch = bzis.ReadByte();
}
bos.Flush();
}
///
/// Compress input stream sending
/// result to output stream
///
public static void Compress(Stream instream, Stream outstream, int blockSize)
{
System.IO.Stream bos = outstream;
System.IO.Stream bis = instream;
int ch = bis.ReadByte();
BZip2OutputStream bzos = new BZip2OutputStream(bos, blockSize);
while (ch != -1) {
bzos.WriteByte((byte)ch);
ch = bis.ReadByte();
}
bis.Close();
bzos.Close();
}
}
}
/* derived from a file which contained this license :
* Copyright (c) 1999-2001 Keiron Liddle, Aftex Software
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
*/