public void CheckSeek() { MemoryStream backing = new MemoryStream(compressed_data); DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress); decompressing.Seek(20, SeekOrigin.Current); }
/// <summary> /// Loads a cache from disk for the given performance setting. /// </summary> /// <param name="performanceSetting">Desired performance setting cache to load</param> public void Load(EncodingOptions.Performance performanceSetting) { if (cache != null && cache.Count > 0 && performanceSetting == currentPerformance) { LogClient.Instance.Logger.Info("Encoding cache already loaded [{0} items]", cache.Count); return; } string path = GetFilePath(performanceSetting); LogClient.Instance.Logger.Info("Loading encoding cache from disk at {0}", path); try { Clear(); if (File.Exists(path)) { using (FileStream fs = new FileStream(path, FileMode.Open)) { using (var deflate = new DeflateStream(fs, CompressionMode.Decompress)) { BinaryFormatter formatter = new BinaryFormatter(); // Deserialize the cache from the file and // assign the reference to the local variable. if (deflate.CanSeek) { deflate.Seek(0, SeekOrigin.Begin); } cache = (Dictionary <string, EncodingCacheItem>)formatter.Deserialize(deflate); // load up lrulist with all keys so they are insync foreach (var key in cache.Keys) { lruList.AddLast(key); } // successful, so set now currentPerformance = performanceSetting; LogClient.Instance.Logger.Info("Encoding cache loaded successfully with {0} items", cache.Count); } } } } catch (SerializationException e) { LogClient.Instance.Logger.Error("Deserialization error: {0}", LogClient.GetAllExceptions(e)); } catch (Exception ex) { LogClient.Instance.Logger.Error("Loading generic error: {0}", LogClient.GetAllExceptions(ex)); } }
public void TestSeekMethodsCompress() { var ms = new MemoryStream(); var zip = new DeflateStream(ms, CompressionMode.Compress); Assert.False(zip.CanSeek, "CanSeek should be false"); Assert.Throws <NotSupportedException>(delegate { long value = zip.Length; }); Assert.Throws <NotSupportedException>(delegate { long value = zip.Position; }); Assert.Throws <NotSupportedException>(delegate { zip.Position = 100L; }); Assert.Throws <NotSupportedException>(delegate { zip.SetLength(100L); }); Assert.Throws <NotSupportedException>(delegate { zip.Seek(100L, SeekOrigin.Begin); }); }
public static void TestSeekMethodsDecompress() { var ms = new MemoryStream(); var zip = new DeflateStream(ms, CompressionMode.Decompress); Assert.False(zip.CanSeek, "CanSeek should be false"); Assert.Throws <NotSupportedException>(delegate { long value = zip.Length; }); Assert.Throws <NotSupportedException>(delegate { long value = zip.Position; }); Assert.Throws <NotSupportedException>(delegate { zip.Position = 100L; }); Assert.Throws <NotSupportedException>(delegate { zip.SetLength(100L); }); //Should we try all the enums? doesn't seem necessary Assert.Throws <NotSupportedException>(delegate { zip.Seek(100L, SeekOrigin.Begin); }); }
public void TestSeekMethodsCompress() { var ms = new MemoryStream(); var zip = new DeflateStream(ms, CompressionMode.Compress); Assert.False(zip.CanSeek, "CanSeek should be false"); Assert.Throws<NotSupportedException>(delegate { long value = zip.Length; }); Assert.Throws<NotSupportedException>(delegate { long value = zip.Position; }); Assert.Throws<NotSupportedException>(delegate { zip.Position = 100L; }); Assert.Throws<NotSupportedException>(delegate { zip.SetLength(100L); }); Assert.Throws<NotSupportedException>(delegate { zip.Seek(100L, SeekOrigin.Begin); }); }
// These two data types are supported in DotNetZip, but only if .NET Framework is targeted. //private SelfExtractorFlavor _selfExtractorFlavor; //private SelfExtractorSaveOptions _selfExtractorSaveOptions; public void CallAll() { // These two apis are supported in DotNetZip, but only if .NET Framework is targeted. //_zipFile.SaveSelfExtractor(_string, _selfExtractorFlavor); //_zipFile.SaveSelfExtractor(_string, _selfExtractorSaveOptions); //Project: Ionic.Zip _bZip2InputStream.Close(); _bZip2InputStream.Flush(); _int = _bZip2InputStream.Read(_bytes, _int, _int); _int = _bZip2InputStream.ReadByte(); _long = _bZip2InputStream.Seek(_long, _seekOrigin); _bZip2InputStream.SetLength(_long); _bZip2InputStream.Write(_bytes, _int, _int); _bZip2OutputStream.Close(); _bZip2OutputStream.Flush(); _int = _bZip2OutputStream.Read(_bytes, _int, _int); _long = _bZip2OutputStream.Seek(_long, _seekOrigin); _bZip2OutputStream.SetLength(_long); _bZip2OutputStream.Write(_bytes, _int, _int); _parallelBZip2OutputStream.Close(); _parallelBZip2OutputStream.Flush(); _int = _parallelBZip2OutputStream.Read(_bytes, _int, _int); _long = _parallelBZip2OutputStream.Seek(_long, _seekOrigin); _parallelBZip2OutputStream.SetLength(_long); _parallelBZip2OutputStream.Write(_bytes, _int, _int); _crc32.Combine(_int, _int); _int = _crc32.ComputeCrc32(_int, _byte); _int = _crc32.GetCrc32(_stream); _int = _crc32.GetCrc32AndCopy(_stream, _stream); _crc32.Reset(); _crc32.SlurpBlock(_bytes, _int, _int); _crc32.UpdateCRC(_byte); _crc32.UpdateCRC(_byte, _int); _crcCalculatorStream.Close(); _crcCalculatorStream.Flush(); _int = _crcCalculatorStream.Read(_bytes, _int, _int); _long = _crcCalculatorStream.Seek(_long, _seekOrigin); _crcCalculatorStream.SetLength(_long); _crcCalculatorStream.Write(_bytes, _int, _int); _zipEntriesCollection = _fileSelector.SelectEntries(_zipFile); _zipEntriesCollection = _fileSelector.SelectEntries(_zipFile, _string); _stringsCollection = _fileSelector.SelectFiles(_string); _stringsReadOnly = _fileSelector.SelectFiles(_string, _bool); _string = _fileSelector.ToString(); _bool = _comHelper.CheckZip(_string); _bool = _comHelper.CheckZipPassword(_string, _string); _comHelper.FixZipDirectory(_string); _string = _comHelper.GetZipLibraryVersion(); _bool = _comHelper.IsZipFile(_string); _bool = _comHelper.IsZipFileWithExtract(_string); _countingStream.Adjust(_long); _countingStream.Flush(); _int = _countingStream.Read(_bytes, _int, _int); _long = _countingStream.Seek(_long, _seekOrigin); _countingStream.SetLength(_long); _countingStream.Write(_bytes, _int, _int); _zipEntry.Extract(); _zipEntry.Extract(_extractExistingFileAction); _zipEntry.Extract(_string); _zipEntry.Extract(_string, _extractExistingFileAction); _zipEntry.Extract(_stream); _zipEntry.ExtractWithPassword(_extractExistingFileAction, _string); _zipEntry.ExtractWithPassword(_string); _zipEntry.ExtractWithPassword(_string, _extractExistingFileAction, _string); _zipEntry.ExtractWithPassword(_string, _string); _zipEntry.ExtractWithPassword(_stream, _string); _crcCalculatorStream = _zipEntry.OpenReader(); _crcCalculatorStream = _zipEntry.OpenReader(_string); _zipEntry.SetEntryTimes(_datetime, _datetime, _datetime); _string = _zipEntry.ToString(); _zipEntry = _zipFile.AddDirectory(_string); _zipEntry = _zipFile.AddDirectory(_string, _string); _zipEntry = _zipFile.AddDirectoryByName(_string); _zipEntry = _zipFile.AddEntry(_string, _bytes); _zipEntry = _zipFile.AddEntry(_string, _openDelegate, _closeDelegate); _zipEntry = _zipFile.AddEntry(_string, _writeDelegate); _zipEntry = _zipFile.AddEntry(_string, _string); _zipEntry = _zipFile.AddEntry(_string, _string, _encoding); _zipEntry = _zipFile.AddEntry(_string, _stream); _zipEntry = _zipFile.AddFile(_string); _zipEntry = _zipFile.AddFile(_string, _string); _zipFile.AddFiles(_strings); _zipFile.AddFiles(_strings, _bool, _string); _zipFile.AddFiles(_strings, _string); _zipEntry = _zipFile.AddItem(_string); _zipEntry = _zipFile.AddItem(_string, _string); _zipFile.AddSelectedFiles(_string); _zipFile.AddSelectedFiles(_string, _bool); _zipFile.AddSelectedFiles(_string, _string); _zipFile.AddSelectedFiles(_string, _string, _bool); _zipFile.AddSelectedFiles(_string, _string, _string); _zipFile.AddSelectedFiles(_string, _string, _string, _bool); _bool = _zipFile.ContainsEntry(_string); _zipFile.Dispose(); _zipFile.ExtractAll(_string); _zipFile.ExtractAll(_string, _extractExistingFileAction); _zipFile.ExtractSelectedEntries(_string); _zipFile.ExtractSelectedEntries(_string, _extractExistingFileAction); _zipFile.ExtractSelectedEntries(_string, _string); _zipFile.ExtractSelectedEntries(_string, _string, _string); _zipFile.ExtractSelectedEntries(_string, _string, _string, _extractExistingFileAction); _enumerator = _zipFile.GetNewEnum(); _zipFile.Initialize(_string); _zipFile.RemoveEntries(_zipEntriesCollection); _zipFile.RemoveEntries(_stringsCollection); _zipFile.RemoveEntry(_zipEntry); _zipFile.RemoveEntry(_string); _int = _zipFile.RemoveSelectedEntries(_string); _int = _zipFile.RemoveSelectedEntries(_string, _string); _zipFile.Save(); _zipFile.Save(_string); _zipFile.Save(_stream); _zipEntriesCollection = _zipFile.SelectEntries(_string); _zipEntriesCollection = _zipFile.SelectEntries(_string, _string); _string = _zipFile.ToString(); _zipEntry = _zipFile.UpdateDirectory(_string); _zipEntry = _zipFile.UpdateDirectory(_string, _string); _zipEntry = _zipFile.UpdateEntry(_string, _bytes); _zipEntry = _zipFile.UpdateEntry(_string, _openDelegate, _closeDelegate); _zipEntry = _zipFile.UpdateEntry(_string, _writeDelegate); _zipEntry = _zipFile.UpdateEntry(_string, _string); _zipEntry = _zipFile.UpdateEntry(_string, _string, _encoding); _zipEntry = _zipFile.UpdateEntry(_string, _stream); _zipEntry = _zipFile.UpdateFile(_string); _zipFile.UpdateFile(_string, _string); _zipFile.UpdateFiles(_strings); _zipFile.UpdateFiles(_strings, _string); _zipFile.UpdateItem(_string); _zipFile.UpdateItem(_string, _string); _zipFile.UpdateSelectedFiles(_string, _string, _string, _bool); _zipInputStream.Flush(); _zipEntry = _zipInputStream.GetNextEntry(); _int = _zipInputStream.Read(_bytes, _int, _int); _long = _zipInputStream.Seek(_long, _seekOrigin); _zipInputStream.SetLength(_long); _string = _zipInputStream.ToString(); _zipInputStream.Write(_bytes, _int, _int); _bool = _zipOutputStream.ContainsEntry(_string); _zipOutputStream.Flush(); _zipEntry = _zipOutputStream.PutNextEntry(_string); _int = _zipOutputStream.Read(_bytes, _int, _int); _long = _zipOutputStream.Seek(_long, _seekOrigin); _zipOutputStream.SetLength(_long); _string = _zipOutputStream.ToString(); _zipOutputStream.Write(_bytes, _int, _int); _deflateStream.Flush(); _int = _deflateStream.Read(_bytes, _int, _int); _long = _deflateStream.Seek(_long, _seekOrigin); _deflateStream.SetLength(_long); _deflateStream.Write(_bytes, _int, _int); _gZipStream.Flush(); _int = _gZipStream.Read(_bytes, _int, _int); _long = _gZipStream.Seek(_long, _seekOrigin); _gZipStream.SetLength(_long); _gZipStream.Write(_bytes, _int, _int); _parallelDeflateOutputStream.Close(); _parallelDeflateOutputStream.Flush(); _int = _parallelDeflateOutputStream.Read(_bytes, _int, _int); _parallelDeflateOutputStream.Reset(_stream); _long = _parallelDeflateOutputStream.Seek(_long, _seekOrigin); _parallelDeflateOutputStream.SetLength(_long); _parallelDeflateOutputStream.Write(_bytes, _int, _int); // Static _bool = ZipFile.CheckZip(_string); _bool = ZipFile.CheckZip(_string, _bool, _textWriter); _bool = ZipFile.CheckZipPassword(_string, _string); ZipFile.FixZipDirectory(_string); _bool = ZipFile.IsZipFile(_string); _bool = ZipFile.IsZipFile(_string, _bool); _bool = ZipFile.IsZipFile(_stream, _bool); _zipFile = ZipFile.Read(_string); _zipFile = ZipFile.Read(_string, _readOptions); _zipFile = ZipFile.Read(_stream); _zipFile = ZipFile.Read(_stream, _readOptions); _uint = Adler.Adler32(_uint, _bytes, _int, _int); _bytes = DeflateStream.CompressBuffer(_bytes); _bytes = DeflateStream.CompressString(_string); _bytes = DeflateStream.UncompressBuffer(_bytes); _string = DeflateStream.UncompressString(_bytes); _bytes = GZipStream.CompressBuffer(_bytes); _bytes = GZipStream.CompressString(_string); _bytes = GZipStream.UncompressBuffer(_bytes); _string = GZipStream.UncompressString(_bytes); _bytes = ZlibStream.CompressBuffer(_bytes); _bytes = ZlibStream.CompressString(_string); _bytes = ZlibStream.UncompressBuffer(_bytes); _string = ZlibStream.UncompressString(_bytes); }
/// <summary>This property is not supported and always throws a <see cref="T:System.NotSupportedException" />.</summary> /// <returns>A long value.</returns> /// <param name="offset">The location in the stream.</param> /// <param name="origin">One of the <see cref="T:System.IO.SeekOrigin" /> values.</param> /// <exception cref="T:System.NotSupportedException">This property is not supported on this stream.</exception> public override long Seek(long offset, SeekOrigin origin) { return(deflateStream.Seek(offset, origin)); }
public long Seek(long offset, SeekOrigin origin) { return(DeflateStreamInstance.Seek(offset, origin)); }