public static byte[] CompessWithDecompressionHelp(this byte[] value, DecompressionHelpMode mode)
{
var compression = new GzipBlockCompression();
var compressed = compression.Compress(new Block(value, 1), mode);
return(compressed.Bytes.ToArray());
}
public Block Compress(Block inputBlock, DecompressionHelpMode decompressionHelpMode)
{
if (inputBlock.Bytes.Count == 0)
{
return(new Block(EmptyBytes, inputBlock.Offset));
}
using (var memoryStream = new MemoryStream())
{
using (var gZipStream = new GZipStream(memoryStream, CompressionMode.Compress, true))
{
// ReSharper disable once AssignNullToNotNullAttribute
gZipStream.Write(inputBlock.Bytes.Array, inputBlock.Bytes.Offset, inputBlock.Bytes.Count);
}
var compressedBytes = memoryStream.ToArray();
var buffer = new ArraySegment <byte>(compressedBytes, 0, (int)memoryStream.Position);
if (decompressionHelpMode == DecompressionHelpMode.BlockLengthInMimetypeSection)
{
GzipHeader.FindFirst(buffer)?.SetMimetypeBytes(BitConverter.GetBytes(buffer.Count));
}
return(new Block(buffer, inputBlock.Offset));
}
}
public static byte[] CompessWithDecompressionHelp(this string text, DecompressionHelpMode mode)
{
return(text.ToBytes().CompessWithDecompressionHelp(mode));
}
