private int CabExtractCloseFile(NativeMethods.FDI.NOTIFICATION notification)
{
Stream stream = this.StreamHandles[notification.hf];
this.StreamHandles.FreeHandle(notification.hf);
//bool execute = (notification.attribs & (ushort) FileAttributes.Device) != 0; // _A_EXEC
string name = CabUnpacker.GetFileName(notification);
FileAttributes attributes = (FileAttributes)notification.attribs &
(FileAttributes.Archive | FileAttributes.Hidden | FileAttributes.ReadOnly | FileAttributes.System);
if (attributes == (FileAttributes)0)
{
attributes = FileAttributes.Normal;
}
DateTime lastWriteTime;
CompressionEngine.DosDateAndTimeToDateTime(notification.date, notification.time, out lastWriteTime);
stream.Flush();
this.context.CloseFileWriteStream(name, stream, attributes, lastWriteTime);
this.FileStream = null;
long remainder = this.currentFileTotalBytes - this.currentFileBytesProcessed;
this.currentFileBytesProcessed += remainder;
this.fileBytesProcessed += remainder;
this.OnProgress(ArchiveProgressType.FinishFile);
this.currentFileName = null;
return(1); // Continue
}
public ZipFileInfo ToZipFileInfo()
{
string name = this.fileName;
long compressedSizeL;
long uncompressedSizeL;
long localHeaderOffsetL;
int archiveNumberL;
uint crc;
this.GetZip64Fields(
out compressedSizeL,
out uncompressedSizeL,
out localHeaderOffsetL,
out archiveNumberL,
out crc);
DateTime dateTime;
CompressionEngine.DosDateAndTimeToDateTime(
this.lastModDate,
this.lastModTime,
out dateTime);
FileAttributes attrs = FileAttributes.Normal;
// TODO: look for attrs or times in extra fields
return(new ZipFileInfo(name, archiveNumberL, attrs, dateTime,
uncompressedSizeL, compressedSizeL, this.compressionMethod));
}
private int CabExtractCloseFile(NativeMethods.FDI.NOTIFICATION notification)
{
Stream stream = base.StreamHandles[notification.hf];
base.StreamHandles.FreeHandle(notification.hf);
string fileName = GetFileName(notification);
FileAttributes fileAttributes = (FileAttributes)(notification.attribs & 0x27);
if (fileAttributes == (FileAttributes)0)
{
fileAttributes = FileAttributes.Normal;
}
CompressionEngine.DosDateAndTimeToDateTime(notification.date, notification.time, out var dateTime);
stream.Flush();
context.CloseFileWriteStream(fileName, stream, fileAttributes, dateTime);
base.FileStream = null;
checked
{
long num = currentFileTotalBytes - currentFileBytesProcessed;
currentFileBytesProcessed += num;
fileBytesProcessed += num;
OnProgress(ArchiveProgressType.FinishFile);
currentFileName = null;
return(1);
}
}
private int CabExtractCopyFile(NativeMethods.FDI.NOTIFICATION notification)
{
checked
{
if (notification.iFolder != folderId)
{
if (notification.iFolder != -3 && folderId != -1)
{
currentFolderNumber++;
}
folderId = notification.iFolder;
}
string fileName = GetFileName(notification);
if (filter == null || filter(fileName))
{
currentFileNumber++;
currentFileName = fileName;
currentFileBytesProcessed = 0L;
currentFileTotalBytes = notification.cb;
OnProgress(ArchiveProgressType.StartFile);
CompressionEngine.DosDateAndTimeToDateTime(notification.date, notification.time, out var dateTime);
Stream stream = context.OpenFileWriteStream(fileName, notification.cb, dateTime);
if (stream != null)
{
base.FileStream = stream;
return(base.StreamHandles.AllocHandle(stream));
}
fileBytesProcessed += notification.cb;
OnProgress(ArchiveProgressType.FinishFile);
currentFileName = null;
}
return(0);
}
}
private int CabListNotify(NativeMethods.FDI.NOTIFICATIONTYPE notificationType, NativeMethods.FDI.NOTIFICATION notification)
{
switch (notificationType)
{
case NativeMethods.FDI.NOTIFICATIONTYPE.CABINET_INFO:
{
string nextCab = Marshal.PtrToStringAnsi(notification.psz1);
this.NextCabinetName = (nextCab.Length != 0 ? nextCab : null);
return(0); // Continue
}
case NativeMethods.FDI.NOTIFICATIONTYPE.PARTIAL_FILE:
{
// This notification can occur when examining the contents of a non-first cab file.
return(0); // Continue
}
case NativeMethods.FDI.NOTIFICATIONTYPE.COPY_FILE:
{
//bool execute = (notification.attribs & (ushort) FileAttributes.Device) != 0; // _A_EXEC
string name = CabUnpacker.GetFileName(notification);
if (this.filter == null || this.filter(name))
{
if (this.fileList != null)
{
FileAttributes attributes = (FileAttributes)notification.attribs &
(FileAttributes.Archive | FileAttributes.Hidden | FileAttributes.ReadOnly | FileAttributes.System);
if (attributes == (FileAttributes)0)
{
attributes = FileAttributes.Normal;
}
DateTime lastWriteTime;
CompressionEngine.DosDateAndTimeToDateTime(notification.date, notification.time, out lastWriteTime);
long length = notification.cb;
CabFileInfo fileInfo = new CabFileInfo(
name,
notification.iFolder,
notification.iCabinet,
attributes,
lastWriteTime,
length);
this.fileList.Add(fileInfo);
this.currentFileNumber = this.fileList.Count - 1;
this.fileBytesProcessed += notification.cb;
}
}
this.totalFiles++;
this.totalFileBytes += notification.cb;
return(0); // Continue
}
}
return(0);
}
private int CabExtractCopyFile(NativeMethods.FDI.NOTIFICATION notification)
{
if (notification.iFolder != this.folderId)
{
if (notification.iFolder != -3) // -3 is a special folderId used when continuing a folder from a previous cab
{
if (this.folderId != -1) // -1 means we just started the extraction sequence
{
this.currentFolderNumber++;
}
}
this.folderId = notification.iFolder;
}
//bool execute = (notification.attribs & (ushort) FileAttributes.Device) != 0; // _A_EXEC
string name = CabUnpacker.GetFileName(notification);
if (this.filter == null || this.filter(name))
{
this.currentFileNumber++;
this.currentFileName = name;
this.currentFileBytesProcessed = 0;
this.currentFileTotalBytes = notification.cb;
this.OnProgress(ArchiveProgressType.StartFile);
DateTime lastWriteTime;
CompressionEngine.DosDateAndTimeToDateTime(notification.date, notification.time, out lastWriteTime);
Stream stream = this.context.OpenFileWriteStream(name, notification.cb, lastWriteTime);
if (stream != null)
{
this.FileStream = stream;
int streamHandle = this.StreamHandles.AllocHandle(stream);
return(streamHandle);
}
else
{
this.fileBytesProcessed += notification.cb;
this.OnProgress(ArchiveProgressType.FinishFile);
this.currentFileName = null;
}
}
return(0); // Continue
}
private int CabListNotify(NativeMethods.FDI.NOTIFICATIONTYPE notificationType, NativeMethods.FDI.NOTIFICATION notification)
{
checked
{
switch (notificationType)
{
case NativeMethods.FDI.NOTIFICATIONTYPE.CABINET_INFO:
{
string text = Marshal.PtrToStringAnsi(notification.psz1);
base.NextCabinetName = ((text.Length != 0) ? text : null);
return(0);
}
case NativeMethods.FDI.NOTIFICATIONTYPE.PARTIAL_FILE:
return(0);
case NativeMethods.FDI.NOTIFICATIONTYPE.COPY_FILE:
{
string fileName = GetFileName(notification);
if ((filter == null || filter(fileName)) && fileList != null)
{
FileAttributes fileAttributes = unchecked ((FileAttributes)(notification.attribs & 0x27));
if (fileAttributes == (FileAttributes)0)
{
fileAttributes = FileAttributes.Normal;
}
CompressionEngine.DosDateAndTimeToDateTime(notification.date, notification.time, out var dateTime);
long length = notification.cb;
CabFileInfo item = new CabFileInfo(fileName, notification.iFolder, notification.iCabinet, fileAttributes, dateTime, length);
fileList.Add(item);
currentFileNumber = fileList.Count - 1;
fileBytesProcessed += notification.cb;
}
totalFiles++;
totalFileBytes += notification.cb;
return(0);
}
default:
return(0);
}
}
}
