/// <summary>
/// Generate a list of empty folders in an archive
/// </summary>
/// <param name="input">Input file to get data from</param>
/// <returns>List of empty folders in the archive</returns>
public override List <string> GetEmptyFolders()
{
List <string> empties = new List <string>();
try
{
SharpCompress.Archives.Rar.RarArchive ra = SharpCompress.Archives.Rar.RarArchive.Open(_filename, new ReaderOptions {
LeaveStreamOpen = false
});
List <RarArchiveEntry> rarEntries = ra.Entries.OrderBy(e => e.Key, new NaturalSort.NaturalReversedComparer()).ToList();
string lastRarEntry = null;
foreach (RarArchiveEntry entry in rarEntries)
{
if (entry != null)
{
// If the current is a superset of last, we skip it
if (lastRarEntry != null && lastRarEntry.StartsWith(entry.Key))
{
// No-op
}
// If the entry is a directory, we add it
else if (entry.IsDirectory)
{
empties.Add(entry.Key);
lastRarEntry = entry.Key;
}
}
}
}
catch (Exception ex)
{
Globals.Logger.Error(ex.ToString());
}
return(empties);
}
/// <summary>
/// RarArchive is the first volume of a multi-part archive. If MultipartVolume is true and IsFirstVolume is false then the first volume file must be missing.
/// </summary>
public static bool IsFirstVolume(this RarArchive archive)
{
return(archive.Volumes.First().IsFirstVolume);
}
internal RarArchiveEntry(RarArchive archive, IEnumerable <RarFilePart> parts)
{
this.parts = parts.ToList();
this.archive = archive;
}
internal RarArchiveEntry(RarArchive archive, IEnumerable <RarFilePart> parts, ReaderOptions readerOptions)
{
this.parts = parts.ToList();
this.archive = archive;
this.readerOptions = readerOptions;
}
