using System;
using System.IO;
using System.IO.Compression;

namespace CPF.ReoGrid.Utility
{
	public class ZipStreamHelper
	{
		public static byte[] Decompress(byte[] zippedData)
		{
			byte[] result;
			using (MemoryStream memoryStream = new MemoryStream())
			{
				using (MemoryStream memoryStream2 = new MemoryStream(zippedData))
				{
					using (GZipStream gzipStream = new GZipStream(memoryStream2, CompressionMode.Decompress))
					{
						byte[] array = new byte[4096];
						int count;
						while ((count = gzipStream.Read(array, 0, array.Length)) > 0)
						{
							memoryStream.Write(array, 0, count);
						}
						result = memoryStream.ToArray();
					}
				}
			}
			return result;
		}

		public static byte[] Compress(byte[] plainData)
		{
			bool flag = plainData == null;
			if (flag)
			{
				throw new ArgumentNullException("Tried to compress null byte array - can't get smaller than zero!");
			}
			byte[] result = null;
			using (MemoryStream memoryStream = new MemoryStream())
			{
				using (GZipStream gzipStream = new GZipStream(memoryStream, CompressionMode.Compress))
				{
					gzipStream.Write(plainData, 0, plainData.Length);
				}
				result = memoryStream.ToArray();
			}
			return result;
		}
	}
}