internal static ZipIOZip64EndOfCentralDirectoryLocatorBlock CreateNew(ZipIOBlockManager blockManager)
{
// This Debug assert is a secondary check in debug builds, callers are responcible for verifying condition
// in both retail and debug builds
Debug.Assert(!SniffTheBlockSignature(blockManager));
ZipIOZip64EndOfCentralDirectoryLocatorBlock block = new ZipIOZip64EndOfCentralDirectoryLocatorBlock(blockManager);
block._offset = 0;
block._size = 0;
block._dirtyFlag = false;
return(block);
}
internal static ZipIOZip64EndOfCentralDirectoryLocatorBlock SeekableLoad(ZipIOBlockManager blockManager)
{
// This Debug assert is a secondary check in debug builds, callers are responcible for verifying condition
// in both retail and debug builds
Debug.Assert(SniffTheBlockSignature(blockManager));
long blockPosition = checked (blockManager.EndOfCentralDirectoryBlock.Offset - _fixedMinimalRecordSize);
blockManager.Stream.Seek(blockPosition, SeekOrigin.Begin);
ZipIOZip64EndOfCentralDirectoryLocatorBlock block = new ZipIOZip64EndOfCentralDirectoryLocatorBlock(blockManager);
block.ParseRecord(blockManager.BinaryReader, blockPosition);
return(block);
}
internal static ZipIOZip64EndOfCentralDirectoryBlock SeekableLoad(ZipIOBlockManager blockManager)
{
ZipIOZip64EndOfCentralDirectoryLocatorBlock zip64endOfCentralDirectoryLocator =
blockManager.Zip64EndOfCentralDirectoryLocatorBlock;
long zip64EndOfCentralDirectoryOffset =
zip64endOfCentralDirectoryLocator.OffsetOfZip64EndOfCentralDirectoryRecord;
ZipIOZip64EndOfCentralDirectoryBlock block = new ZipIOZip64EndOfCentralDirectoryBlock(blockManager);
blockManager.Stream.Seek(zip64EndOfCentralDirectoryOffset, SeekOrigin.Begin);
block.ParseRecord(blockManager.BinaryReader, zip64EndOfCentralDirectoryOffset);
return(block);
}
internal static ZipIOZip64EndOfCentralDirectoryLocatorBlock CreateNew(ZipIOBlockManager blockManager)
{
// This Debug assert is a secondary check in debug builds, callers are responcible for verifying condition
// in both retail and debug builds
Debug.Assert(!SniffTheBlockSignature(blockManager));
ZipIOZip64EndOfCentralDirectoryLocatorBlock block = new ZipIOZip64EndOfCentralDirectoryLocatorBlock(blockManager);
block._offset = 0;
block._size = 0;
block._dirtyFlag = false;
return block;
}
internal static ZipIOZip64EndOfCentralDirectoryLocatorBlock SeekableLoad (ZipIOBlockManager blockManager)
{
// This Debug assert is a secondary check in debug builds, callers are responcible for verifying condition
// in both retail and debug builds
Debug.Assert(SniffTheBlockSignature(blockManager));
long blockPosition = checked(blockManager.EndOfCentralDirectoryBlock.Offset - _fixedMinimalRecordSize);
blockManager.Stream.Seek(blockPosition, SeekOrigin.Begin);
ZipIOZip64EndOfCentralDirectoryLocatorBlock block = new ZipIOZip64EndOfCentralDirectoryLocatorBlock(blockManager);
block.ParseRecord(blockManager.BinaryReader, blockPosition);
return block;
}
