/// <summary>
/// Flush the current cabinet file.
/// </summary>
public void FlushCabinet()
{
Trace.WriteLine("FlushCabinet");
if (disposed)
{
throw new ObjectDisposedException("CabCompressor");
}
if (!CabSdk.FciFlushCabinet(FciContext, false,
new FciGetNextCabinetDelegate(GetNextCabinet),
new FciStatusDelegate(ProgressFunc)))
{
Trace.WriteLine("FciFlushCabinet failed.");
throw new ApplicationException(string.Format("FlushCabinet failed with code {0}", erf.FciErrorCode));
}
}
/// <summary>
/// Adds a file to the current cabinet.
/// </summary>
/// <param name="filename">The full path name of the file to be added.</param>
/// <param name="nameInCab">The name that the file will have in the cabinet.</param>
/// <param name="execOnDecompress">A flag that indicates whether the file should be executed when it is decompressed.
/// This is just a notification flag. Decompression programs must query the flag and execute the file if desired.</param>
/// <param name="compressType">Type of compression to use for this file.</param>
public void AddFile(string filename, string nameInCab,
bool execOnDecompress, FciCompression compressType)
{
Trace.WriteLine("AddFile");
if (disposed)
{
throw new ObjectDisposedException("CabCompressor");
}
if (!CabSdk.FciAddFile(FciContext, filename, nameInCab, execOnDecompress,
new FciGetNextCabinetDelegate(GetNextCabinet),
new FciStatusDelegate(ProgressFunc),
new FciGetOpenInfoDelegate(GetOpenInfo),
compressType))
{
throw new ApplicationException(string.Format("AddFile failed with code {0}", erf.FciErrorCode));
}
}
/// <summary>
/// Determines whether a file, identified by a stream, is a cabinet file.
/// </summary>
/// <param name="fstream">The open file stream to be tested.</param>
/// <param name="cabinfo">A <see cref="FdiCabinetInfo"/> object that will receive information about the cabinet file.</param>
/// <returns>Returns True if the file is a cabinet. If so, the cabinfo object is filled with information about the cabinet file.
/// Returns False if the file is not a cabinet.</returns>
public bool IsCabinetFile(Stream fstream, FdiCabinetInfo cabinfo)
{
if (disposed)
{
throw new ObjectDisposedException("CabDecompressor");
}
GCHandle gch = GCHandle.Alloc(fstream);
try
{
return(CabSdk.FdiIsCabinet(FdiContext, (IntPtr)gch, cabinfo));
}
finally
{
gch.Free();
}
}
/// <summary>
/// Extract files from a cabinet.
/// </summary>
/// <param name="cabinetFullPath">Full path name of the cabinet from which files are to be extracted.</param>
/// <returns>Returns True if extraction was successful. Returns False on error.</returns>
/// <remarks>On error, the <see cref="ErrorInfo"/> structure will contain error information.</remarks>
public bool ExtractFiles(string cabinetFullPath)
{
Trace.WriteLine("ExtractFiles: {0}", cabinetFullPath);
if (disposed)
{
throw new ObjectDisposedException("CabDecompressor");
}
string path = Path.GetDirectoryName(cabinetFullPath);
string filename = Path.GetFileName(cabinetFullPath);
Trace.WriteLine("path = {0}", path);
Trace.WriteLine("filename = {0}", filename);
return(CabSdk.FdiCopy(FdiContext,
filename,
path,
new FdiNotifyDelegate(NotifyCallback),
null, //new FdiDecryptDelegate(DecryptCallback),
userData));
}
/// <summary>
/// Releases the unmanaged resources used by the CabCompressor and optionally releases the managed resources.
/// </summary>
/// <param name="disposing"></param>
/// <remarks></remarks>
protected virtual void Dispose(bool disposing)
{
if (!this.disposed)
{
if (disposing)
{
// if disposing is true, dispose all managed and unmanaged resources
}
if (hfci != IntPtr.Zero)
{
CabSdk.FciDestroy(hfci);
hfci = IntPtr.Zero;
}
if (!nullUserData)
{
gchUserData.Free();
nullUserData = true;
}
disposed = true;
}
}
/// <summary>
/// Releases the unmanaged resources used by the CabDecompressor and optionally releases the managed resources.
/// </summary>
/// <param name="disposing"></param>
protected virtual void Dispose(bool disposing)
{
if (!this.disposed)
{
if (disposing)
{
// if disposing is true, dispose all managed and unmanaged resources
}
if (hfdi != IntPtr.Zero)
{
Trace.WriteLine("Destroying...");
CabSdk.FdiDestroy(hfdi);
hfdi = IntPtr.Zero;
}
if (!nullUserData)
{
gchUserData.Free();
nullUserData = true;
}
disposed = true;
}
}
