private static void Zip_ExtractProgress(object sender, ExtractProgressEventArgs e, Output output, string fullPath)
{
if (e.EventType == ZipProgressEventType.Extracting_AfterExtractEntry && !e.CurrentEntry.IsDirectory)
{
if (e.ExtractLocation == null)
{
//Path.GetFullPath changes directory separator to "\"
output.ExtractedFiles.Add(Path.GetFullPath(fullPath));
}
else
{
output.ExtractedFiles.Add(Path.GetFullPath(Path.Combine(e.ExtractLocation, e.CurrentEntry.FileName)));
}
}
}
{ /// <summary>
/// A Frends task for extracting zip archives
/// </summary>
/// <param name="source">Source properties</param>
/// <param name="destination">Destination properties</param>
/// <param name="options">Options</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>Output-object with a List of extracted files</returns>
public static Output ExtractArchive(
[PropertyTab] SourceProperties source,
[PropertyTab] DestinationProperties destination,
[PropertyTab] Options options,
CancellationToken cancellationToken)
{
if (!File.Exists(source.SourceFile))
{
throw new FileNotFoundException($"Source file {source.SourceFile} does not exist.");
}
if (!Directory.Exists(destination.DirectoryPath) && !options.CreateDestinationDirectory)
{
throw new DirectoryNotFoundException($"Destination directory {destination.DirectoryPath} does not exist.");
}
if (options.CreateDestinationDirectory)
{
Directory.CreateDirectory(destination.DirectoryPath);
}
Output output = new Output();
using (ZipFile zip = ZipFile.Read(source.SourceFile))
{
string path = null;
zip.ExtractProgress += (sender, e) => Zip_ExtractProgress(sender, e, output, path);
//if password is set
if (!string.IsNullOrWhiteSpace(source.Password))
{
zip.Password = source.Password;
}
switch (options.DestinationFileExistsAction)
{
case FileExistAction.Error:
case FileExistAction.Overwrite:
zip.ExtractExistingFile = (options.DestinationFileExistsAction == FileExistAction.Overwrite) ? ExtractExistingFileAction.OverwriteSilently : ExtractExistingFileAction.Throw;
zip.ExtractAll(destination.DirectoryPath);
break;
case FileExistAction.Rename:
foreach (ZipEntry z in zip)
{
cancellationToken.ThrowIfCancellationRequested();
if (File.Exists(Path.Combine(destination.DirectoryPath, z.FileName)))
{
//find a filename that does not exist
string FullPath = Extensions.GetNewFilename(Path.Combine(Path.GetDirectoryName(destination.DirectoryPath), z.FileName), z.FileName, cancellationToken);
path = FullPath;
using (FileStream fs = new FileStream(FullPath, FileMode.Create, FileAccess.Write))
{
z.Extract(fs);
}
}
else
{
z.Extract(destination.DirectoryPath);
}
}
break;
}
}
return(output);
}