Beispiel #1
0
        protected override void Dispose(bool disposing)
        {
            try
            {
                PurgeBuffers(disposing);
            }
            finally
            {
                // Close the underlying stream even if PurgeBuffers threw.
                // Stream.Close() may throw here (may or may not be due to the same error).
                // In this case, we still need to clean up internal resources, hence the inner finally blocks.
                try
                {
                    if (disposing)
                    {
                        _stream?.Dispose();
                    }
                }
                finally
                {
                    _stream = null;

                    try
                    {
                        _inflater?.Dispose();
                    }
                    finally
                    {
                        _inflater = null;
                        base.Dispose(disposing);
                    }
                }
            }
        }
Beispiel #2
0
        /// <summary>
        /// Sets up this DeflateManagedStream to be used for Inflation/Decompression
        /// </summary>
        private void InitializeInflater(Stream stream, ZipCompressionMethod method = ZipCompressionMethod.Deflate)
        {
            Debug.Assert(stream != null);
            Debug.Assert(method == ZipCompressionMethod.Deflate || method == ZipCompressionMethod.Deflate64);
            if (!stream.CanRead)
            {
                throw new ArgumentException("Deflate64: input stream is not readable", nameof(stream));
            }

            _inflater = new InflaterManaged(method == ZipCompressionMethod.Deflate64);

            _stream = stream;
            _mode   = CompressionMode.Decompress;
            _buffer = new byte[DEFAULT_BUFFER_SIZE];
        }
        /// <summary>
        /// Sets up this DeflateManagedStream to be used for Inflation/Decompression
        /// </summary>
        internal void InitializeInflater(Stream stream, bool leaveOpen, ZipCompressionMethod method = ZipCompressionMethod.Deflate)
        {
            Debug.Assert(stream != null);
            Debug.Assert(method == ZipCompressionMethod.Deflate || method == ZipCompressionMethod.Deflate64);
            if (!stream.CanRead)
            {
                throw new ArgumentException("Deflate64: input stream is not readable", nameof(stream));
            }

            _inflater = new InflaterManaged(method == ZipCompressionMethod.Deflate64);

            _stream    = stream;
            _mode      = CompressionMode.Decompress;
            _leaveOpen = leaveOpen;
            _buffer    = new byte[DefaultBufferSize];
        }