64_archive = archive; 166_archive = archive; 452_archive = null!;

120switch (_archive.Mode) 128Debug.Assert(_archive.Mode == ZipArchiveMode.Update); 159_archive.ArchiveStream.Seek(_offsetOfLocalHeader, SeekOrigin.Begin); 163if (!await ZipLocalFileHeader.TrySkipBlockAsync(_archive.ArchiveStream, cancellationToken).ConfigureAwait(false)) 168_storedOffsetOfCompressedData = _archive.ArchiveStream.Position; 189if (_offsetOfLocalHeader > _archive.ArchiveStream.Length) 194long savedPosition = _archive.ArchiveStream.Position; 198_archive.ArchiveStream.Seek(offset, SeekOrigin.Begin); 203await _archive.ArchiveStream.ReadExactlyAsync(_aesSalt, cancellationToken).ConfigureAwait(false); 214_archive.ArchiveStream.Seek(savedPosition, SeekOrigin.Begin); 275Stream compressedStream = new SubReadStream(_archive.ArchiveStream, offset, _compressedSize); 426await _archive.ArchiveStream.WriteAsync(cdStaticHeader, cancellationToken).ConfigureAwait(false); 427await _archive.ArchiveStream.WriteAsync(_storedEntryNameBytes, cancellationToken).ConfigureAwait(false); 432await zip64ExtraField.WriteBlockAsync(_archive.ArchiveStream, cancellationToken).ConfigureAwait(false); 439await CreateAesExtraField().WriteBlockAsync(_archive.ArchiveStream, cancellationToken).ConfigureAwait(false); 442await ZipGenericExtraField.WriteAllBlocksExcludingTagAsync(_cdUnknownExtraFields, _cdTrailingExtraFieldData ?? Array.Empty<byte>(), _archive.ArchiveStream, WinZipAesExtraField.HeaderId, cancellationToken).ConfigureAwait(false); 447await ZipGenericExtraField.WriteAllBlocksAsync(_cdUnknownExtraFields, _cdTrailingExtraFieldData ?? Array.Empty<byte>(), _archive.ArchiveStream, cancellationToken).ConfigureAwait(false); 452await _archive.ArchiveStream.WriteAsync(_fileComment, cancellationToken).ConfigureAwait(false); 465_archive.ArchiveStream.Seek(_offsetOfLocalHeader, SeekOrigin.Begin); 466(_lhUnknownExtraFields, _lhTrailingExtraFieldData) = await ZipLocalFileHeader.GetExtraFieldsAsync(_archive.ArchiveStream, cancellationToken).ConfigureAwait(false); 480_archive.ArchiveStream.Seek(await GetOffsetOfCompressedDataAsync(cancellationToken).ConfigureAwait(false), SeekOrigin.Begin); 484await _archive.ArchiveStream.ReadAtLeastAsync(_compressedBytes[i], maxSingleBufferSize, throwOnEndOfStream: true, cancellationToken).ConfigureAwait(false); 486await _archive.ArchiveStream.ReadAtLeastAsync(_compressedBytes[_compressedBytes.Length - 1], (int)(_compressedSize % maxSingleBufferSize), throwOnEndOfStream: true, cancellationToken).ConfigureAwait(false); 575Stream compressedStream = new SubReadStream(_archive.ArchiveStream, offset, _compressedSize); 592Stream compressedStream = new SubReadStream(_archive.ArchiveStream, offset, _compressedSize); 660if (!IsEncrypted && !await ZipLocalFileHeader.TrySkipBlockAsync(_archive.ArchiveStream, cancellationToken).ConfigureAwait(false)) 667_archive.ArchiveStream.Seek(_offsetOfLocalHeader, SeekOrigin.Begin); 671if (!await ZipLocalFileHeader.TrySkipBlockAsync(_archive.ArchiveStream, cancellationToken).ConfigureAwait(false)) 699await _archive.ArchiveStream.WriteAsync(lfStaticHeader, cancellationToken).ConfigureAwait(false); 700await _archive.ArchiveStream.WriteAsync(_storedEntryNameBytes, cancellationToken).ConfigureAwait(false); 705await zip64ExtraField.WriteBlockAsync(_archive.ArchiveStream, cancellationToken).ConfigureAwait(false); 712await CreateAesExtraField().WriteBlockAsync(_archive.ArchiveStream, cancellationToken).ConfigureAwait(false); 715await ZipGenericExtraField.WriteAllBlocksExcludingTagAsync(_lhUnknownExtraFields, _lhTrailingExtraFieldData ?? Array.Empty<byte>(), _archive.ArchiveStream, WinZipAesExtraField.HeaderId, cancellationToken).ConfigureAwait(false); 719await ZipGenericExtraField.WriteAllBlocksAsync(_lhUnknownExtraFields, _lhTrailingExtraFieldData ?? Array.Empty<byte>(), _archive.ArchiveStream, cancellationToken).ConfigureAwait(false); 757long startPosition = _archive.ArchiveStream.Position; 762baseStream: _archive.ArchiveStream, 771CheckSumAndSizeWriteStream crcStream = GetDataCompressor(encryptionStream, leaveBackingStreamOpen: true, onClose: null, streamForPosition: _archive.ArchiveStream); 783_compressedSize = _archive.ArchiveStream.Position - startPosition; 807long startPosition = _archive.ArchiveStream.Position; 816baseStream: _archive.ArchiveStream, 833CheckSumAndSizeWriteStream crcStream = GetDataCompressor(encryptionStream, leaveBackingStreamOpen: true, onClose: null, streamForPosition: _archive.ArchiveStream); 857_compressedSize = _archive.ArchiveStream.Position - startPosition; 870DirectToArchiveWriterStream entryWriter = new(GetDataCompressor(_archive.ArchiveStream, true, null, null), this); 918long currentPos = _archive.ArchiveStream.Position; 919_archive.ArchiveStream.Seek( 924await _archive.ArchiveStream.WriteAsync(flagBytes, cancellationToken).ConfigureAwait(false); 925_archive.ArchiveStream.Seek(currentPos, SeekOrigin.Begin); 942await _archive.ArchiveStream.WriteAsync(compressedBytes, cancellationToken).ConfigureAwait(false); 955if (_archive.Mode == ZipArchiveMode.Update || !_everOpenedForWrite) 966if (_endOfLocalEntryData > _archive.ArchiveStream.Position) 968_archive.ArchiveStream.Seek(_endOfLocalEntryData, SeekOrigin.Begin); 992await _archive.ArchiveStream.WriteAsync(writeBuffer.AsMemory(0, MetadataBufferLength), cancellationToken).ConfigureAwait(false); 998await _archive.ArchiveStream.WriteAsync(writeBuffer.AsMemory(0, CrcAndSizesBufferLength), cancellationToken).ConfigureAwait(false); 1009await _archive.ArchiveStream.WriteAsync(writeBuffer.AsMemory(0, Zip64SizesBufferLength), cancellationToken).ConfigureAwait(false); 1013_archive.ArchiveStream.Seek(finalPosition, SeekOrigin.Begin); 1021await _archive.ArchiveStream.WriteAsync(writeBuffer.AsMemory(0, Zip64DataDescriptorCrcAndSizesBufferLength), cancellationToken).ConfigureAwait(false); 1030return _archive.ArchiveStream.WriteAsync(dataDescriptor.AsMemory(0, bytesToWrite), cancellationToken);

208if (_archive.Mode == ZipArchiveMode.Create) 210_archive.AcquireArchiveStream(this); 219public ZipArchive Archive => _archive; 304_fileComment = ZipHelper.GetEncodedTruncatedBytesFromString(value, _archive.EntryNameAndCommentEncoding, ushort.MaxValue, out bool isUTF8); 331value, _archive.EntryNameAndCommentEncoding, 0 /* No truncation */, out bool isUTF8); 372if (_archive.Mode == ZipArchiveMode.Read) 376if (_archive.Mode == ZipArchiveMode.Create && _everOpenedForWrite) 434if (_archive == null) 444if (_archive.Mode != ZipArchiveMode.Update) 449_archive.ThrowIfDisposed(); 451_archive.RemoveEntry(this); 530private FileAccess InferAccessFromMode() => _archive.Mode switch 544switch (_archive.Mode) 563switch (_archive.Mode) 571Debug.Assert(_archive.Mode == ZipArchiveMode.Update); 593: _archive?.EntryNameAndCommentEncoding ?? Encoding.UTF8; 610_archive.ArchiveStream.Seek(_offsetOfLocalHeader, SeekOrigin.Begin); 614if (!ZipLocalFileHeader.TrySkipBlock(_archive.ArchiveStream)) 619_storedOffsetOfCompressedData = _archive.ArchiveStream.Position; 641if (_offsetOfLocalHeader > _archive.ArchiveStream.Length) 646long savedPosition = _archive.ArchiveStream.Position; 650_archive.ArchiveStream.Seek(offset, SeekOrigin.Begin); 655_archive.ArchiveStream.ReadExactly(_aesSalt); 666_archive.ArchiveStream.Seek(savedPosition, SeekOrigin.Begin); 838_archive.ArchiveStream.Seek(centralDirectoryHeaderLength, SeekOrigin.Current); 901_archive.ArchiveStream.Write(cdStaticHeader); 902_archive.ArchiveStream.Write(_storedEntryNameBytes); 905zip64ExtraField?.WriteBlock(_archive.ArchiveStream); 910CreateAesExtraField().WriteBlock(_archive.ArchiveStream); 913ZipGenericExtraField.WriteAllBlocksExcludingTag(_cdUnknownExtraFields, _cdTrailingExtraFieldData ?? Array.Empty<byte>(), _archive.ArchiveStream, WinZipAesExtraField.HeaderId); 918ZipGenericExtraField.WriteAllBlocks(_cdUnknownExtraFields, _cdTrailingExtraFieldData ?? Array.Empty<byte>(), _archive.ArchiveStream); 923_archive.ArchiveStream.Write(_fileComment); 938_archive.ArchiveStream.Seek(_offsetOfLocalHeader, SeekOrigin.Begin); 939_lhUnknownExtraFields = ZipLocalFileHeader.GetExtraFields(_archive.ArchiveStream, out _lhTrailingExtraFieldData); 969_archive.ArchiveStream.Seek(GetOffsetOfCompressedData(), SeekOrigin.Begin); 973_archive.ArchiveStream.ReadAtLeast(_compressedBytes[i], maxSingleBufferSize, throwOnEndOfStream: true); 975_archive.ArchiveStream.ReadAtLeast(_compressedBytes[_compressedBytes.Length - 1], (int)(_compressedSize % maxSingleBufferSize), throwOnEndOfStream: true); 1160Stream compressedStream = new SubReadStream(_archive.ArchiveStream, offsetOfCompressedData, _compressedSize); 1201_archive.DebugAssertIsStillArchiveStreamOwner(this); 1215Stream targetStream = _archive.ArchiveStream; 1226baseStream: _archive.ArchiveStream, 1240baseStream: _archive.ArchiveStream, 1257entry._archive.ReleaseArchiveStream(entry); 1260streamForPosition: encryptionMethod != ZipEncryptionMethod.None ? _archive.ArchiveStream : null); 1431if (!IsEncrypted && !ZipLocalFileHeader.TrySkipBlock(_archive.ArchiveStream)) 1438_archive.ArchiveStream.Seek(_offsetOfLocalHeader, SeekOrigin.Begin); 1442if (!ZipLocalFileHeader.TrySkipBlock(_archive.ArchiveStream)) 1479if (_diskNumberStart != _archive.NumberOfThisDisk) 1484if (_offsetOfLocalHeader > _archive.ArchiveStream.Length) 1490_archive.ArchiveStream.Seek(_offsetOfLocalHeader, SeekOrigin.Begin); 1501_compressedSize > _archive.ArchiveStream.Length - offsetOfCompressedData) 1593_offsetOfLocalHeader = _archive.ArchiveStream.Position; 1610bool isCreateMode = _archive.Mode == ZipArchiveMode.Create; 1625if (!_archive.ArchiveStream.CanSeek) 1635else if (isCreateMode && !_archive.ArchiveStream.CanSeek) 1671_offsetOfLocalHeader = _archive.ArchiveStream.Position; 1704_archive.ArchiveStream.Seek(ZipLocalFileHeader.SizeOfLocalHeader + _storedEntryNameBytes.Length + extraFieldLength, SeekOrigin.Current); 1713if (isEmptyFile || _archive.ArchiveStream.CanSeek) 1764_archive.ArchiveStream.Write(lfStaticHeader); 1765_archive.ArchiveStream.Write(_storedEntryNameBytes); 1768zip64ExtraField?.WriteBlock(_archive.ArchiveStream); 1773CreateAesExtraField().WriteBlock(_archive.ArchiveStream); 1776ZipGenericExtraField.WriteAllBlocksExcludingTag(_lhUnknownExtraFields, _lhTrailingExtraFieldData ?? Array.Empty<byte>(), _archive.ArchiveStream, WinZipAesExtraField.HeaderId); 1781ZipGenericExtraField.WriteAllBlocks(_lhUnknownExtraFields, _lhTrailingExtraFieldData ?? Array.Empty<byte>(), _archive.ArchiveStream); 1814long startPosition = _archive.ArchiveStream.Position; 1819baseStream: _archive.ArchiveStream, 1826using (CheckSumAndSizeWriteStream crcStream = GetDataCompressor(encryptionStream, leaveBackingStreamOpen: true, onClose: null, streamForPosition: _archive.ArchiveStream)) 1833_compressedSize = _archive.ArchiveStream.Position - startPosition; 1845long startPosition = _archive.ArchiveStream.Position; 1850baseStream: _archive.ArchiveStream, 1863using (CheckSumAndSizeWriteStream crcStream = GetDataCompressor(encryptionStream, leaveBackingStreamOpen: true, onClose: null, streamForPosition: _archive.ArchiveStream)) 1881_compressedSize = _archive.ArchiveStream.Position - startPosition; 1891using (DirectToArchiveWriterStream entryWriter = new(GetDataCompressor(_archive.ArchiveStream, true, null, null), this)) 1938long currentPos = _archive.ArchiveStream.Position; 1939_archive.ArchiveStream.Seek( 1944_archive.ArchiveStream.Write(flagBytes); 1945_archive.ArchiveStream.Seek(currentPos, SeekOrigin.Begin); 1962_archive.ArchiveStream.Write(compressedBytes, 0, compressedBytes.Length); 1975if (_archive.Mode == ZipArchiveMode.Update || !_everOpenedForWrite) 1986if (_endOfLocalEntryData > _archive.ArchiveStream.Position) 1988_archive.ArchiveStream.Seek(_endOfLocalEntryData, SeekOrigin.Begin); 2017_archive.ArchiveStream.Write(writeBuffer[..MetadataBufferLength]); 2023_archive.ArchiveStream.Write(writeBuffer[..CrcAndSizesBufferLength]); 2034_archive.ArchiveStream.Write(writeBuffer[..Zip64SizesBufferLength]); 2038_archive.ArchiveStream.Seek(finalPosition, SeekOrigin.Begin); 2046_archive.ArchiveStream.Write(writeBuffer[..Zip64DataDescriptorCrcAndSizesBufferLength]); 2052finalPosition = _archive.ArchiveStream.Position; 2073_archive.ArchiveStream.Seek(_offsetOfLocalHeader + ZipLocalFileHeader.FieldLocations.VersionNeededToExtract, 2081_archive.ArchiveStream.Seek(_offsetOfLocalHeader + ZipLocalFileHeader.FieldLocations.Crc32, 2105_archive.ArchiveStream.Seek(_offsetOfLocalHeader + ZipLocalFileHeader.SizeOfLocalHeader 2133_archive.ArchiveStream.Write(dataDescriptor[..bytesToWrite]); 2195if (_archive == null) 2199_archive.ThrowIfDisposed(); 2435long startPosition = _entry._archive.ArchiveStream.Position; 2439_entry._compressedSize = _entry._archive.ArchiveStream.Position - startPosition; 2447if (_entry._archive.ArchiveStream.CanSeek) 2494long startPosition = _entry._archive.ArchiveStream.Position; 2498_entry._compressedSize = _entry._archive.ArchiveStream.Position - startPosition; 2506if (_entry._archive.ArchiveStream.CanSeek)