public int GetStream(string name, out IInStream inStream)
{
if (!File.Exists(name))
{
name = Path.Combine(Path.GetDirectoryName(_fileInfo.FullName), name);
if (!File.Exists(name))
{
inStream = null;
AddException(new FileNotFoundException("The volume \"" + name + "\" was not found. Extraction can be impossible."));
return(1);
}
}
_volumeFileNames.Add(name);
if (_wrappers.ContainsKey(name))
{
inStream = _wrappers[name];
}
else
{
try
{
var wrapper = new InStreamWrapper(
new FileStream(name, FileMode.Open, FileAccess.Read, FileShare.ReadWrite), true);
_wrappers.Add(name, wrapper);
inStream = wrapper;
}
catch
{
AddException(new FileNotFoundException("Failed to open the volume \"" + name + "\". Extraction is impossible."));
inStream = null;
return(1);
}
}
return(0);
}
/// <summary>
/// Gets the stream for 7-zip library.
/// </summary>
/// <param name="index">File index</param>
/// <param name="inStream">Input file stream</param>
/// <returns>Zero if Ok</returns>
public int GetStream(uint index, out
#if !MONO
ISequentialInStream
#else
HandleRef
#endif
inStream)
{
index -= _indexOffset;
if (_files != null)
{
_fileStream = null;
try
{
if (File.Exists(_files[index].FullName))
{
_fileStream = new InStreamWrapper(
new FileStream(_files[index].FullName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite),
true);
}
}
catch (Exception e)
{
AddException(e);
inStream = null;
return(-1);
}
inStream = _fileStream;
if (!EventsForGetStream(index))
{
return(-1);
}
}
else
{
if (_streams == null)
{
inStream = _fileStream;
}
else
{
_fileStream = new InStreamWrapper(_streams[index], true);
inStream = _fileStream;
if (!EventsForGetStream(index))
{
return(-1);
}
}
}
return(0);
}
public void SetOperationResult(OperationResult operationResult)
{
if (operationResult != OperationResult.Ok && ReportErrors)
{
switch (operationResult)
{
case OperationResult.CrcError:
AddException(new ExtractionFailedException("File is corrupted. Crc check has failed."));
break;
case OperationResult.DataError:
AddException(new ExtractionFailedException("File is corrupted. Data error has occured."));
break;
case OperationResult.UnsupportedMethod:
AddException(new ExtractionFailedException("Unsupported method error has occured."));
break;
}
}
if (_fileStream != null)
{
_fileStream.BytesRead -= IntEventArgsHandler;
//Specific Zip implementation - can not Dispose files for Zip.
if (_compressor.ArchiveFormat != OutArchiveFormat.Zip)
{
try
{
_fileStream.Dispose();
}
catch (ObjectDisposedException) {}
}
else
{
_wrappersToDispose.Add(_fileStream);
}
_fileStream = null;
GC.Collect();
// Issue #6987
//GC.WaitForPendingFinalizers();
}
OnFileCompressionFinished(EventArgs.Empty);
}
private void Init(
Stream stream, KCompressCompressor compressor, UpdateData updateData, bool directoryStructure)
{
_fileStream = new InStreamWrapper(stream, false);
_fileStream.BytesRead += IntEventArgsHandler;
_actualFilesCount = 1;
try
{
_bytesCount = stream.Length;
}
catch (NotSupportedException)
{
_bytesCount = -1;
}
try
{
stream.Seek(0, SeekOrigin.Begin);
}
catch (NotSupportedException)
{
_bytesCount = -1;
}
CommonInit(compressor, updateData, directoryStructure);
}