// Methods
private ZipIORawDataFileBlock(ZipIOBlockManager blockManager)
{
this._blockManager = blockManager;
}
internal static ZipIOLocalFileDataDescriptor ParseRecord(BinaryReader reader, long compressedSizeFromCentralDir, long uncompressedSizeFromCentralDir, uint crc32FromCentralDir, ushort versionNeededToExtract)
{
ZipIOLocalFileDataDescriptor descriptor = new ZipIOLocalFileDataDescriptor();
uint[] numArray = new uint[6];
numArray[0] = reader.ReadUInt32();
numArray[1] = reader.ReadUInt32();
numArray[2] = reader.ReadUInt32();
if (descriptor.TestMatch(0x8074b50, crc32FromCentralDir, compressedSizeFromCentralDir, uncompressedSizeFromCentralDir, 0x8074b50, numArray[0], (ulong)numArray[1], (ulong)numArray[2]))
{
descriptor._size = 12;
return(descriptor);
}
numArray[3] = reader.ReadUInt32();
if (descriptor.TestMatch(0x8074b50, crc32FromCentralDir, compressedSizeFromCentralDir, uncompressedSizeFromCentralDir, numArray[0], numArray[1], (ulong)numArray[2], (ulong)numArray[3]))
{
descriptor._size = 0x10;
return(descriptor);
}
if (versionNeededToExtract < 0x2d)
{
throw new FileFormatException(SR.Get("CorruptedData"));
}
numArray[4] = reader.ReadUInt32();
if (descriptor.TestMatch(0x8074b50, crc32FromCentralDir, compressedSizeFromCentralDir, uncompressedSizeFromCentralDir, 0x8074b50, numArray[0], ZipIOBlockManager.ConvertToUInt64(numArray[1], numArray[2]), ZipIOBlockManager.ConvertToUInt64(numArray[3], numArray[4])))
{
descriptor._size = 20;
return(descriptor);
}
numArray[5] = reader.ReadUInt32();
if (!descriptor.TestMatch(0x8074b50, crc32FromCentralDir, compressedSizeFromCentralDir, uncompressedSizeFromCentralDir, numArray[0], numArray[1], ZipIOBlockManager.ConvertToUInt64(numArray[2], numArray[3]), ZipIOBlockManager.ConvertToUInt64(numArray[4], numArray[5])))
{
throw new FileFormatException(SR.Get("CorruptedData"));
}
descriptor._size = 0x18;
return(descriptor);
}
// Methods
private ZipIOZip64EndOfCentralDirectoryLocatorBlock(ZipIOBlockManager blockManager)
{
this._blockManager = blockManager;
}
// Methods
private ZipIOLocalFileBlock(ZipIOBlockManager blockManager, bool folderFlag, bool volumeLabelFlag)
{
this._blockManager = blockManager;
this._folderFlag = folderFlag;
this._volumeLabelFlag = volumeLabelFlag;
}
internal PreSaveNotificationScanControlInstruction PreSaveNotification(long offset, long size)
{
return(ZipIOBlockManager.CommonPreSaveNotificationHandler(this._blockManager.Stream, offset, size, this._persistedOffset, Math.Min(this._persistedSize, this._currentStreamLength), ref this._cachePrefixStream));
}
// Methods
internal ProgressiveCrcCalculatingStream(ZipIOBlockManager blockManager, Stream underlyingStream)
: this(blockManager, underlyingStream, 0)
{
this._validateCrcWithExpectedCrc = false;
}
// Methods
private ZipIOCentralDirectoryBlock(ZipIOBlockManager blockManager)
{
this._blockManager = blockManager;
}
internal bool FileExists(string zipFileName)
{
this.CheckDisposed();
zipFileName = ZipIOBlockManager.ValidateNormalizeFileName(zipFileName);
return(this._blockManager.CentralDirectoryBlock.FileExists(zipFileName));
}
