public int GetStream(uint index, out ISequentialInStream inStream)
{
index -= this._IndexOffset;
if (this._Files != null)
{
if ((this._Files[index].Attributes & FileAttributes.Directory) == (FileAttributes)0)
{
try
{
this._FileStream = new InStreamWrapper((Stream) new FileStream(this._Files[index].FullName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite), true);
}
catch (Exception ex)
{
this.AddException(ex);
inStream = (ISequentialInStream)null;
return(-1);
}
EventHandler <IntEventArgs> eventHandler = new EventHandler <IntEventArgs>(this.IntEventArgsHandler);
this._FileStream.BytesRead += eventHandler;
this._FileStream.StreamSeek += eventHandler;
inStream = (ISequentialInStream)this._FileStream;
}
else
{
inStream = (ISequentialInStream)null;
}
this._DoneRate += 1f / (float)this._ActualFilesCount;
FileNameEventArgs e = new FileNameEventArgs(this._Files[index].Name, PercentDoneEventArgs.ProducePercentDone(this._DoneRate));
this.OnFileCompression(e);
if (e.Cancel)
{
this.Canceled = true;
return(-1);
}
}
else if (this._Streams == null)
{
inStream = (ISequentialInStream)this._FileStream;
}
else
{
this._FileStream = new InStreamWrapper(this._Streams[index], true);
this._FileStream.BytesRead += new EventHandler <IntEventArgs>(this.IntEventArgsHandler);
inStream = (ISequentialInStream)this._FileStream;
this._DoneRate += 1f / (float)this._ActualFilesCount;
FileNameEventArgs e = new FileNameEventArgs(this._Entries[index], PercentDoneEventArgs.ProducePercentDone(this._DoneRate));
this.OnFileCompression(e);
if (e.Cancel)
{
this.Canceled = true;
return(-1);
}
}
return(0);
}
public void SetOperationResult(OperationResult operationResult)
{
if (operationResult != OperationResult.Ok && this.ReportErrors)
{
switch (operationResult)
{
case OperationResult.UnsupportedMethod:
this.AddException((Exception) new ExtractionFailedException("Unsupported method error has occured."));
break;
case OperationResult.DataError:
this.AddException((Exception) new ExtractionFailedException("File is corrupted. Data error has occured."));
break;
case OperationResult.CrcError:
this.AddException((Exception) new ExtractionFailedException("File is corrupted. Crc check has failed."));
break;
}
}
if (this._FileStream != null)
{
try
{
if (this._Compressor.ArchiveFormat != OutArchiveFormat.Zip)
{
this._FileStream.Dispose();
this._FileStream = (InStreamWrapper)null;
}
else
{
this._WrappersToDispose.Add(this._FileStream);
}
}
catch (ObjectDisposedException ex)
{
}
}
this.OnFileCompressionFinished(EventArgs.Empty);
}
private void Init(Stream stream, SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
{
this._FileStream = new InStreamWrapper(stream, false);
this._FileStream.BytesRead += new EventHandler <IntEventArgs>(this.IntEventArgsHandler);
this._ActualFilesCount = 1;
try
{
this._BytesCount = stream.Length;
}
catch (NotSupportedException ex)
{
this._BytesCount = -1L;
}
try
{
stream.Seek(0L, SeekOrigin.Begin);
}
catch (NotSupportedException ex)
{
this._BytesCount = -1L;
}
this.CommonInit(compressor, updateData, directoryStructure);
}
public int GetStream(string name, out IInStream inStream)
{
if (!File.Exists(name))
{
name = Path.Combine(Path.GetDirectoryName(this._FileInfo.FullName), name);
if (!File.Exists(name))
{
inStream = (IInStream)null;
return(1);
}
}
if (this._Wrappers.ContainsKey(name))
{
inStream = (IInStream)this._Wrappers[name];
}
else
{
InStreamWrapper inStreamWrapper = new InStreamWrapper((Stream) new FileStream(name, FileMode.Open, FileAccess.Read, FileShare.ReadWrite), true);
this._Wrappers.Add(name, inStreamWrapper);
inStream = (IInStream)inStreamWrapper;
}
return(0);
}
