/// <summary>
/// Decompressed a block of data. It is assumed that this data is compressed with one
/// or more algorithms, and that it is prepended by a single byte describing the algorithms
/// used. See <see cref="CompressionAlgorithms"/> for valid algorithms.
/// </summary>
/// <param name="pendingSector">The compressed data.</param>
/// <returns>The decompressed data.</returns>
public static byte[] DecompressData(byte[] pendingSector)
{
// The sector is compressed using a combination of techniques.
// Examine the first byte to determine the compression algorithms used
CompressionAlgorithms compressionAlgorithms = (CompressionAlgorithms)pendingSector[0];
// Drop the first byte
byte[] sectorData = new byte[pendingSector.Length - 1];
Buffer.BlockCopy(pendingSector, 1, sectorData, 0, sectorData.Length);
pendingSector = sectorData;
// Walk through each compression algorithm in reverse order
if (compressionAlgorithms.HasFlag(CompressionAlgorithms.BZip2))
{
// Decompress sector using BZIP2
pendingSector = DecompressBZip2(pendingSector);
}
if (compressionAlgorithms.HasFlag(CompressionAlgorithms.Implode))
{
// Decompress sector using PKWARE Implode
pendingSector = DecompressPKWAREImplode(pendingSector);
}
if (compressionAlgorithms.HasFlag(CompressionAlgorithms.Deflate))
{
// Decompress sector using Deflate
pendingSector = DecompressDeflate(pendingSector);
}
if (compressionAlgorithms.HasFlag(CompressionAlgorithms.Huffman))
{
// Decompress sector using Huffman
pendingSector = DecompressHuffman(pendingSector);
}
if (compressionAlgorithms.HasFlag(CompressionAlgorithms.ADPCMStereo))
{
// Decompress sector using ADPCM Stereo
pendingSector = DecompressADPCMStereo(pendingSector);
}
if (compressionAlgorithms.HasFlag(CompressionAlgorithms.ADPCMMono))
{
// Decompress sector using ADPCM Mono
pendingSector = DecompressADPCMMono(pendingSector);
}
if (compressionAlgorithms.HasFlag(CompressionAlgorithms.Sparse))
{
// Decompress sector using Sparse
pendingSector = DecompressSparse(pendingSector);
}
return(pendingSector);
}
