/// <summary> /// Decompress the given byte array /// </summary> /// <param name="gzip">byte array to decompress</param> /// <returns>decompressed byte array</returns> public static byte[] Decompress(byte[] gzip) { // Create a GZIP stream with decompression mode. // ... Then create a buffer and write into while reading from the GZIP stream. using (GZipStream stream = new GZipStream(new MemoryStream(gzip), CompressionMode.Decompress)) { const int size = 4096; byte[] buffer = new byte[size]; using (MemoryStream memory = new MemoryStream()) { int count = 0; do { count = stream.Read(buffer, 0, size); if (count > 0) { memory.Write(buffer, 0, count); } } while (count > 0); return memory.ToArray(); } } }
/// <summary> /// Uncompress a GZip'ed byte array into a single string. /// </summary> /// /// <seealso cref="GZipStream.CompressString(String)"/> /// <seealso cref="GZipStream.UncompressBuffer(byte[])"/> /// /// <param name="compressed"> /// A buffer containing GZIP-compressed data. /// </param> /// /// <returns>The uncompressed string</returns> public static String UncompressString(byte[] compressed) { using (var input = new MemoryStream(compressed)) { Stream decompressor = new GZipStream(input, CompressionMode.Decompress); return ZlibBaseStream.UncompressString(compressed, decompressor); } }
/// <summary> /// Compress a byte array into a new byte array using GZip. /// </summary> /// /// <remarks> /// Uncompress it with <see cref="GZipStream.UncompressBuffer(byte[])"/>. /// </remarks> /// /// <seealso cref="GZipStream.CompressString(string)"/> /// <seealso cref="GZipStream.UncompressBuffer(byte[])"/> /// /// <param name="b"> /// A buffer to compress. /// </param> /// /// <returns>The data in compressed form</returns> public static byte[] CompressBuffer(byte[] b) { using (var ms = new MemoryStream()) { System.IO.Stream compressor = new GZipStream( ms, CompressionMode.Compress, CompressionLevel.BestCompression ); ZlibBaseStream.CompressBuffer(b, compressor); return ms.ToArray(); } }
/// <summary> /// Uncompress a GZip'ed byte array into a byte array. /// </summary> /// /// <seealso cref="GZipStream.CompressBuffer(byte[])"/> /// <seealso cref="GZipStream.UncompressString(byte[])"/> /// /// <param name="compressed"> /// A buffer containing data that has been compressed with GZip. /// </param> /// /// <returns>The data in uncompressed form</returns> public static byte[] UncompressBuffer(byte[] compressed) { using (var input = new System.IO.MemoryStream(compressed)) { System.IO.Stream decompressor = new GZipStream( input, CompressionMode.Decompress ); return ZlibBaseStream.UncompressBuffer(compressed, decompressor); } }
/// <summary> /// Compress the given byte array /// </summary> /// <param name="raw">byte array to compress</param> /// <returns>compressed byte array</returns> public static byte[] Compress(byte[] raw) { using (MemoryStream memory = new MemoryStream()) { using (GZipStream gzip = new GZipStream(memory, CompressionMode.Compress, true)) { gzip.Write(raw, 0, raw.Length); } return memory.ToArray(); } }
/// <summary> /// Compress the given byte array /// </summary> /// <param name="raw">byte array to compress</param> /// <param name="offset">index to start compress</param> /// <param name="count">size of given byte</param> /// <returns>compressed byte array</returns> public static byte[] Compress(byte[] raw, int offset, int count) { using (MemoryStream memory = new MemoryStream()) { using (GZipStream gzip = new GZipStream(memory, CompressionMode.Compress, true)) { gzip.Write(raw, offset, count); } return memory.ToArray(); } }