using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace UniversalEditor.Compression.Modules.Bzip2
{
	public class Bzip2CompressionModule : CompressionModule
	{
        private string mvarName = "bzip2";
        public override string Name { get { return mvarName; } }

        public byte[] Compress(byte[] inputData, int level)
        {
            MemoryStream msIn = new MemoryStream(inputData);
            MemoryStream msOut = new MemoryStream();
            Compress(msIn, msOut, level);
            return msOut.ToArray();
        }

        public void Compress(System.IO.Stream inputStream, System.IO.Stream outputStream, int level)
        {
            ICSharpCode.SharpZipLib.BZip2.BZip2.Compress(inputStream, outputStream, false, level);
        }

        protected override void CompressInternal(System.IO.Stream inputStream, System.IO.Stream outputStream)
        {
            Compress(inputStream, outputStream, 5);
        }
		protected override void DecompressInternal(System.IO.Stream inputStream, System.IO.Stream outputStream, int inputLength, int outputLength)
        {
            ICSharpCode.SharpZipLib.BZip2.BZip2.Decompress(inputStream, outputStream, false);
        }
    }
}