internal Handle CabExtractNotify(FDI.NOTIFICATIONTYPE notificationType, FDI.NOTIFICATION notification)
{
try
{
switch (notificationType)
{
case FDI.NOTIFICATIONTYPE.CABINET_INFO:
{
this.nextCabinetName = (notification.psz1.Length != 0 ? notification.psz1 : null);
return((Handle)0); // Continue
}
case FDI.NOTIFICATIONTYPE.PARTIAL_FILE:
{
return((Handle)0); // Continue
}
case FDI.NOTIFICATIONTYPE.NEXT_CABINET:
{
this.cabNumbers[notification.psz1] = (short)notification.iCabinet;
return((Handle)0); // Continue
}
case FDI.NOTIFICATIONTYPE.ENUMERATE:
{
return((Handle)0); // Continue
}
case FDI.NOTIFICATIONTYPE.COPY_FILE:
{
if (notification.iFolder != this.folderId ||
(this.status.currentCabinetNumber == 0 && this.status.currentFileNumber == 0))
{
if (this.status.currentCabinetNumber != 0 || this.status.currentFileNumber != 0)
{
#if !CABMINIMAL
if (this.statusCallback != null)
{
this.status.statusType = CabinetStatusType.FinishFolder;
this.statusCallback(this.status, this.statusContext);
}
#endif // !CABMINIMAL
this.status.currentFolderNumber++;
}
this.folderId = notification.iFolder;
#if !CABMINIMAL
if (this.statusCallback != null)
{
this.status.statusType = CabinetStatusType.StartFolder;
this.statusCallback(this.status, this.statusContext);
}
#endif // !CABMINIMAL
}
bool utfName = (notification.attribs & (ushort)FileAttributes.Normal) != 0; // _A_NAME_IS_UTF
//bool execute = (notification.attribs & (ushort) FileAttributes.Device) != 0; // _A_EXEC
string name = notification.psz1;
if (utfName)
{
byte[] nameBytes = Encoding.Default.GetBytes(name);
name = Encoding.UTF8.GetString(nameBytes);
}
if ((this.filterFileHandler == null || this.filterFileHandler(this.status.currentFolderNumber, name, filterFileContext)) &&
this.openFileHandler != null)
{
this.status.currentFileName = name;
#if !CABMINIMAL
if (this.statusCallback != null)
{
this.status.currentFileBytesProcessed = 0;
this.status.currentFileTotalBytes = notification.cb;
this.status.statusType = CabinetStatusType.StartFile;
this.statusCallback(this.status, this.statusContext);
}
#endif // !CABMINIMAL
DateTime lastWriteTime;
FDI.CabDateAndTimeToDateTime(notification.date, notification.time, out lastWriteTime);
Stream stream = this.openFileHandler(name, notification.cb, lastWriteTime, openFileContext);
if (stream != null)
{
Handle hStream = streamHandles.AllocHandle(stream);
return(hStream);
}
else
{
#if !CABMINIMAL
if (this.statusCallback != null)
{
this.status.fileBytesProcessed += notification.cb;
this.status.statusType = CabinetStatusType.FinishFile;
this.statusCallback(this.status, this.statusContext);
}
#endif // !CABMINIMAL
this.status.currentFileName = null;
this.status.currentFileNumber++;
}
}
return((Handle)0); // Continue
}
case FDI.NOTIFICATIONTYPE.CLOSE_FILE_INFO:
{
Stream stream = (Stream)streamHandles[notification.hf];
streamHandles.FreeHandle(notification.hf);
bool utfName = (notification.attribs & (ushort)FileAttributes.Normal) != 0; // _A_NAME_IS_UTF
//bool execute = (notification.attribs & (ushort) FileAttributes.Device) != 0; // _A_EXEC
string name = notification.psz1;
if (utfName)
{
byte[] nameBytes = Encoding.Default.GetBytes(name);
name = Encoding.UTF8.GetString(nameBytes);
}
FileAttributes attributes = (FileAttributes)notification.attribs &
(FileAttributes.Archive | FileAttributes.Hidden | FileAttributes.ReadOnly | FileAttributes.System);
if (attributes == (FileAttributes)0)
{
attributes = FileAttributes.Normal;
}
DateTime lastWriteTime;
FDI.CabDateAndTimeToDateTime(notification.date, notification.time, out lastWriteTime);
long length = notification.cb;
stream.Flush();
if (this.closeFileHandler != null)
{
this.closeFileHandler(name, stream, attributes, lastWriteTime, this.openFileContext);
}
#if !CABMINIMAL
if (this.statusCallback != null)
{
long remainder = this.status.currentFileTotalBytes - this.status.currentFileBytesProcessed;
this.status.currentFileBytesProcessed += remainder;
this.status.fileBytesProcessed += remainder;
this.status.statusType = CabinetStatusType.FinishFile;
this.statusCallback(this.status, this.statusContext);
}
#endif // !CABMINIMAL
this.status.currentFileName = null;
this.status.currentFileNumber++;
return((Handle)1); // Continue
}
default:
{
// Should never get any other notification types here.
throw new CabinetExtractException((int)FDI.ERROR.UNKNOWN_CABINET_VERSION, 0);
}
}
}
catch (Exception ex)
{
if (this.abortException == null)
{
this.abortException = ex;
}
return((Handle)(-1));
}
}
internal Handle CabExtractListNotify(FDI.NOTIFICATIONTYPE notificationType, FDI.NOTIFICATION notification)
{
try
{
switch (notificationType)
{
case FDI.NOTIFICATIONTYPE.CABINET_INFO:
{
this.nextCabinetName = (notification.psz1.Length != 0 ? notification.psz1 : null);
return((Handle)0); // Continue
}
case FDI.NOTIFICATIONTYPE.ENUMERATE:
{
return((Handle)0); // Continue
}
case FDI.NOTIFICATIONTYPE.PARTIAL_FILE:
{
// This notification can occur when examining the contents of a non-first cab file.
return((Handle)0); // Continue
}
case FDI.NOTIFICATIONTYPE.COPY_FILE:
{
if (notification.iFolder != this.folderId || this.folderCount == 0)
{
this.folderId = notification.iFolder;
this.folderCount++;
}
bool utfName = (notification.attribs & (ushort)FileAttributes.Normal) != 0; // _A_NAME_IS_UTF
//bool execute = (notification.attribs & (ushort) FileAttributes.Device) != 0; // _A_EXEC
string name = notification.psz1;
if (utfName)
{
byte[] nameBytes = Encoding.Default.GetBytes(name);
name = Encoding.UTF8.GetString(nameBytes);
}
if (this.filterFileHandler == null || this.filterFileHandler(this.folderCount - 1, name, filterFileContext))
{
if (this.listFiles != null)
{
#if !CABMINIMAL
FileAttributes attributes = (FileAttributes)notification.attribs &
(FileAttributes.Archive | FileAttributes.Hidden | FileAttributes.ReadOnly | FileAttributes.System);
if (attributes == (FileAttributes)0)
{
attributes = FileAttributes.Normal;
}
DateTime lastWriteTime;
FDI.CabDateAndTimeToDateTime(notification.date, notification.time, out lastWriteTime);
long length = notification.cb;
CabinetFileInfo fileInfo = new CabinetFileInfo(Path.GetFileName(name),
Path.GetDirectoryName(name), this.folderCount - 1, notification.iCabinet,
attributes, lastWriteTime, length);
listFiles.Add(fileInfo);
#else
listFiles.Add(name);
#endif // CABMINIMAL
}
}
return((Handle)0); // Continue
}
default:
{
// Should never get any other notification types here.
throw new CabinetExtractException((int)FDI.ERROR.UNKNOWN_CABINET_VERSION, 0);
}
}
}
catch (Exception ex)
{
if (this.abortException == null)
{
this.abortException = ex;
}
return((Handle)(-1));
}
}