private void OnFileExists(FileOverwriteEventArgs e)
{
if (this.FileExists == null)
{
return;
}
try
{
this.FileExists((object)this, e);
}
catch (Exception ex)
{
this._Extractor.AddException(ex);
}
}
public int GetStream(uint index, out ISequentialOutStream outStream, AskMode askExtractMode)
{
outStream = (ISequentialOutStream)null;
if (askExtractMode == AskMode.Extract)
{
string str1 = this._Directory;
for (int index1 = 0; index1 < 1; ++index1)
{
if (!this._FileIndex.HasValue)
{
if (this._ActualIndexes == null || this._ActualIndexes.Contains(index))
{
PropVariant var = new PropVariant();
this._Archive.GetProperty(index, ItemPropId.Path, ref var);
string str2 = NativeMethods.SafeCast <string>(var, "");
if (string.IsNullOrEmpty(str2))
{
if (this._FilesCount == 1)
{
string fileName = Path.GetFileName(this._Extractor.FileName);
string str3 = fileName.Substring(0, fileName.LastIndexOf('.'));
if (!str3.EndsWith(".tar", StringComparison.OrdinalIgnoreCase))
{
str3 += ".tar";
}
str2 = str3;
}
else
{
str2 = "[no name] " + index.ToString((IFormatProvider)CultureInfo.InvariantCulture);
}
}
str1 += str2;
this._Archive.GetProperty(index, ItemPropId.IsDirectory, ref var);
try
{
str1 = ArchiveExtractCallback.ValidateFileName(str1);
}
catch (Exception ex)
{
this.AddException(ex);
break;
}
if (!NativeMethods.SafeCast <bool>(var, false))
{
this._Archive.GetProperty(index, ItemPropId.LastWriteTime, ref var);
DateTime time = NativeMethods.SafeCast <DateTime>(var, DateTime.MinValue);
if (File.Exists(str1))
{
FileOverwriteEventArgs e = new FileOverwriteEventArgs(str1);
this.OnFileExists(e);
if (e.Cancel)
{
this.Canceled = true;
return(-1);
}
if (string.IsNullOrEmpty(e.FileName))
{
outStream = (ISequentialOutStream)this._FakeStream;
break;
}
str1 = e.FileName;
}
try
{
this._FileStream = new OutStreamWrapper((Stream)File.Create(str1), str1, time, true);
}
catch (Exception ex)
{
if (ex is FileNotFoundException)
{
this.AddException((Exception) new IOException("The file \"" + str1 + "\" was not extracted due to the File.Create fail."));
}
else
{
this.AddException(ex);
}
outStream = (ISequentialOutStream)this._FakeStream;
break;
}
this._FileStream.BytesWritten += new EventHandler <IntEventArgs>(this.IntEventArgsHandler);
outStream = (ISequentialOutStream)this._FileStream;
}
else if (!Directory.Exists(str1))
{
try
{
Directory.CreateDirectory(str1);
}
catch (Exception ex)
{
this.AddException(ex);
}
outStream = (ISequentialOutStream)this._FakeStream;
}
}
else
{
outStream = (ISequentialOutStream)this._FakeStream;
}
}
else
{
uint num = index;
uint?fileIndex = this._FileIndex;
if (((int)num != (int)fileIndex.GetValueOrDefault() ? 0 : (fileIndex.HasValue ? 1 : 0)) != 0)
{
outStream = (ISequentialOutStream)this._FileStream;
this._FileIndex = new uint?();
}
else
{
outStream = (ISequentialOutStream)this._FakeStream;
}
}
}
this._DoneRate += 1f / (float)this._FilesCount;
FileInfoEventArgs e1 = new FileInfoEventArgs(this._Extractor.ArchiveFileData[(int)index], PercentDoneEventArgs.ProducePercentDone(this._DoneRate));
this.OnFileExtractionStarted(e1);
if (e1.Cancel)
{
if (!string.IsNullOrEmpty(str1))
{
this._FileStream.Dispose();
if (File.Exists(str1))
{
try
{
File.Delete(str1);
}
catch (Exception ex)
{
this.AddException(ex);
}
}
}
this.Canceled = true;
return(-1);
}
}
return(0);
}