/// <summary>
/// Extract single file from cabinet into file
/// </summary>
/// <param name="fileToExtract"></param>
/// <param name="destDir"></param>
/// <returns></returns>
public bool ExtractSingleFile(string fileToExtract, string destDir)
{
if (_disposed)
{
throw new ObjectDisposedException("CabExtract");
}
DecompressFile fileToDecompress = new DecompressFile
{
Found = false,
Name = fileToExtract
};
_decompressAll = false;
_decompressFiles.Add(fileToDecompress);
FdiCopy(FdiContext, NotifyCallback);
if (fileToDecompress.Found)
{
fileToDecompress.WriteToFile(destDir);
_decompressFiles.Remove(fileToDecompress);
return(true);
}
return(false);
}
/// <summary>
/// Extract single file from cabinet into memory
/// </summary>
/// <param name="fileToExtract"></param>
/// <param name="outputData"></param>
/// <param name="outputLength"></param>
/// <returns></returns>
public bool ExtractSingleFile(string fileToExtract, out byte[] outputData, out int outputLength)
{
if (_disposed)
{
throw new ObjectDisposedException("CabExtract");
}
DecompressFile fileToDecompress = new DecompressFile
{
Found = false,
Name = fileToExtract
};
_decompressAll = false;
_decompressFiles.Add(fileToDecompress);
FdiCopy(FdiContext, NotifyCallback);
if (fileToDecompress.Found)
{
outputData = fileToDecompress.Data;
outputLength = fileToDecompress.Length;
_decompressFiles.Remove(fileToDecompress);
return(true);
}
outputData = null;
outputLength = 0;
return(false);
}
private IntPtr OutputFileOpen(FdiNotification fdin)
{
if (_decompressAll)
{ // Extract all files
DecompressFile extractFile = new DecompressFile();
_decompressFiles.Add(extractFile);
MemoryStream stream = new MemoryStream();
GCHandle gch = GCHandle.Alloc(stream);
extractFile.Name = fdin.psz1;
extractFile.Handle = (IntPtr)gch;
return(extractFile.Handle);
}
else
{ // Extract only some files
DecompressFile extractFile = _decompressFiles.Where(ef => ef.Name == fdin.psz1).SingleOrDefault();
if (extractFile == null)
{ // Do not extract, not in the decompress list
return(IntPtr.Zero);
}
else
{ // Do extract, found in the decompress List
MemoryStream stream = new MemoryStream();
GCHandle gch = GCHandle.Alloc(stream);
extractFile.Handle = (IntPtr)gch;
return(extractFile.Handle);
}
}
}
public void DecompressFilesByExtension(string extension)
{
string path = ConfigurationWikimedia.GetPath();
DirectoryInfo directorySelected = new DirectoryInfo(path);
foreach (FileInfo fileToDecompress in directorySelected.GetFiles("*.gz"))
{
DecompressFile.Decompress(fileToDecompress);
}
}
private IntPtr OutputFileClose(FdiNotification fdin)
{
DecompressFile extractFile = _decompressFiles.Where(ef => ef.Handle == fdin.hf).Single();
using (Stream stream = StreamFromHandle(fdin.hf))
{
extractFile.Found = true;
extractFile.Length = (int)stream.Length;
if (0 < stream.Length)
{
extractFile.Data = new byte[stream.Length];
stream.Position = 0;
stream.Read(extractFile.Data, 0, (int)stream.Length);
}
}
return((IntPtr)TRUE);
}
public Part2()
{
decompressFile = new DecompressFile();
}
