private void OnFileExists(FileOverwriteEventArgs e)
{
if (FileExists != null)
{
FileExists(this, e);
}
}
/// <summary>
/// Event proxy for FileExists.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">The event arguments.</param>
private void FileExistsEventProxy(object sender, FileOverwriteEventArgs e)
{
OnEvent(FileExists, e, 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);
}
void extr_FileExists(object sender, FileOverwriteEventArgs e)
{
StatusRichTextBox.Text += String.Format("[{0}] Warning: \"{1}\" already exists; overwritten." + Environment.NewLine, DateTime.Now.ToString("dd.MM.yyyy - HH.mm.ss"), e.FileName);
}
private void OnFileExists(FileOverwriteEventArgs e)
{
if (FileExists != null)
{
FileExists(this, e);
}
}
void extr_FileExists(object sender, FileOverwriteEventArgs e)
{
tb_Messages.Text += String.Format("Warning: \"{0}\" already exists; overwritten\r\n", e.FileName);
}
private void extr_FileExists(object sender, FileOverwriteEventArgs e)
{
tb_Messages.Text += String.Format(
"Warning: \"{0}\" already exists; overwritten" + Environment.NewLine,
e.FileName);
}
/// <summary>
/// Event proxy for FileExists.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">The event arguments.</param>
private void FileExistsEventProxy(object sender, FileOverwriteEventArgs e)
{
OnEvent(FileExists, e, true);
}
// Event handler for file overwriting
private static void Zip_FileExists(object sender, FileOverwriteEventArgs e)
{
Console.WriteLine("");
console.Write("Destination exists already. Skipping.", console.msgType.warning);
e.Cancel = true;
}
