private void Init(IInArchive archive, Stream stream, int filesCount, uint fileIndex, SevenZipExtractor extractor)
{
CommonInit(archive, filesCount, extractor);
_fileStream = new OutStreamWrapper(stream, false);
_fileStream.BytesWritten += IntEventArgsHandler;
_fileIndex = fileIndex;
}
public int GetStream(uint index, out ISequentialOutStream outStream, AskMode askExtractMode)
{
var stream = _streams?.ElementAt((int)index);
if (askExtractMode != AskMode.Extract || stream == null)
{
outStream = null;
return(0);
}
outStream = new OutStreamWrapper(stream, true);
return(0);
}
/// <summary>
/// Called when the archive was extracted
/// </summary>
/// <param name="operationResult"></param>
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;
}
}
else
{
if (_fileStream != null && !_fileIndex.HasValue)
{
try
{
_fileStream.BytesWritten -= IntEventArgsHandler;
_fileStream.Dispose();
}
catch (ObjectDisposedException) { }
_fileStream = null;
GC.Collect();
GC.WaitForPendingFinalizers();
}
var iea = new FileInfoEventArgs(
_extractor.ArchiveFileData[_currentIndex], PercentDoneEventArgs.ProducePercentDone(_doneRate));
OnFileExtractionFinished(iea);
if (iea.Cancel)
{
Canceled = true;
}
}
}
public void Dispose()
{
GC.RemoveMemoryPressure(MEMORY_PRESSURE);
if (_fileStream != null)
{
try
{
_fileStream.Dispose();
}
catch (ObjectDisposedException) { }
_fileStream = null;
}
if (_fakeStream != null)
{
try
{
_fakeStream.Dispose();
}
catch (ObjectDisposedException) { }
_fakeStream = null;
}
}
/// <summary>
/// Called when the archive was extracted
/// </summary>
/// <param name="operationResult"></param>
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;
case OperationResult.Unavailable:
AddException(new ExtractionFailedException("File is unavailable."));
break;
case OperationResult.UnexpectedEnd:
AddException(new ExtractionFailedException("Unexpected end of file."));
break;
case OperationResult.DataAfterEnd:
AddException(new ExtractionFailedException("Data after end of archive."));
break;
case OperationResult.IsNotArc:
AddException(new ExtractionFailedException("File is not archive."));
break;
case OperationResult.HeadersError:
AddException(new ExtractionFailedException("Archive headers error."));
break;
case OperationResult.WrongPassword:
AddException(new ExtractionFailedException("Wrong password."));
break;
default:
AddException(new ExtractionFailedException($"Unexpected operation result: {operationResult}"));
break;
}
}
else
{
if (_fileStream != null && !_fileIndex.HasValue)
{
try
{
_fileStream.BytesWritten -= IntEventArgsHandler;
_fileStream.Dispose();
}
catch (ObjectDisposedException) { }
_fileStream = null;
}
var iea = new FileInfoEventArgs(
_extractor.ArchiveFileData[_currentIndex], PercentDoneEventArgs.ProducePercentDone(_doneRate));
OnFileExtractionFinished(iea);
if (iea.Cancel)
{
Canceled = true;
}
}
}
/// <summary>
/// Sets output stream for writing unpacked data
/// </summary>
/// <param name="index">Current file index</param>
/// <param name="outStream">Output stream pointer</param>
/// <param name="askExtractMode">Extraction mode</param>
/// <returns>0 if OK</returns>
public int GetStream(uint index, out ISequentialOutStream outStream, AskMode askExtractMode)
{
outStream = null;
if (Canceled)
{
return(-1);
}
_currentIndex = (int)index;
if (askExtractMode == AskMode.Extract)
{
var fileName = _directory;
if (!_fileIndex.HasValue)
{
#region Extraction to a file
if (_actualIndexes == null || _actualIndexes.Contains(index))
{
var data = new PropVariant();
_archive.GetProperty(index, ItemPropId.Path, ref data);
string entryName = NativeMethods.SafeCast(data, "");
#region Get entryName
if (String.IsNullOrEmpty(entryName))
{
if (_filesCount == 1)
{
var archName = Path.GetFileName(_extractor.FileName);
archName = archName.Substring(0, archName.LastIndexOf('.'));
if (!archName.EndsWith(".tar", StringComparison.OrdinalIgnoreCase))
{
archName += ".tar";
}
entryName = archName;
}
else
{
entryName = "[no name] " + index.ToString(CultureInfo.InvariantCulture);
}
}
#endregion
try
{
fileName = Path.Combine(RemoveIllegalCharacters(_directory, true), RemoveIllegalCharacters(_directoryStructure ? entryName : Path.GetFileName(entryName)));
ValidateFileNameAndCreateDirectory(fileName);
}
catch (Exception e)
{
AddException(e);
goto FileExtractionStartedLabel;
}
_archive.GetProperty(index, ItemPropId.IsDirectory, ref data);
if (!NativeMethods.SafeCast(data, false))
{
#region Branch
_archive.GetProperty(index, ItemPropId.LastWriteTime, ref data);
var time = NativeMethods.SafeCast(data, DateTime.MinValue);
if (File.Exists(fileName))
{
var fnea = new FileOverwriteEventArgs(fileName);
OnFileExists(fnea);
if (fnea.Cancel)
{
Canceled = true;
return(-1);
}
if (String.IsNullOrEmpty(fnea.FileName))
{
outStream = _fakeStream;
goto FileExtractionStartedLabel;
}
fileName = fnea.FileName;
}
try
{
_fileStream = new OutStreamWrapper(File.Create(fileName), fileName, time, true);
}
catch (Exception e)
{
if (e is FileNotFoundException)
{
AddException(
new IOException("The file \"" + fileName +
"\" was not extracted due to the File.Create fail."));
}
else
{
AddException(e);
}
outStream = _fakeStream;
goto FileExtractionStartedLabel;
}
_fileStream.BytesWritten += IntEventArgsHandler;
outStream = _fileStream;
#endregion
}
else
{
#region Branch
if (!Directory.Exists(fileName))
{
try
{
Directory.CreateDirectory(fileName);
}
catch (Exception e)
{
AddException(e);
}
outStream = _fakeStream;
}
#endregion
}
}
else
{
outStream = _fakeStream;
}
#endregion
}
else
{
#region Extraction to a stream
if (index == _fileIndex)
{
outStream = _fileStream;
_fileIndex = null;
}
else
{
outStream = _fakeStream;
}
#endregion
}
FileExtractionStartedLabel:
_doneRate += 1.0f / _filesCount;
var iea = new FileInfoEventArgs(
_extractor.ArchiveFileData[(int)index], PercentDoneEventArgs.ProducePercentDone(_doneRate));
OnFileExtractionStarted(iea);
if (iea.Cancel)
{
if (!String.IsNullOrEmpty(fileName))
{
_fileStream.Dispose();
if (File.Exists(fileName))
{
try
{
File.Delete(fileName);
}
catch (Exception e)
{
AddException(e);
}
}
}
Canceled = true;
return(-1);
}
}
return(0);
}
private void Init(IInArchive archive, Stream stream, int filesCount, uint fileIndex, SevenZipExtractor extractor)
{
CommonInit(archive, filesCount, extractor);
_fileStream = new OutStreamWrapper(stream, false);
_fileStream.BytesWritten += IntEventArgsHandler;
_fileIndex = fileIndex;
}
public void Dispose()
{
#if !WINCE
GC.RemoveMemoryPressure(MEMORY_PRESSURE);
#endif
if (_fileStream != null)
{
try
{
_fileStream.Dispose();
}
catch (ObjectDisposedException) { }
_fileStream = null;
}
if (_fakeStream != null)
{
try
{
_fakeStream.Dispose();
}
catch (ObjectDisposedException) { }
_fakeStream = null;
}
}