/// <summary>
/// Find directory
/// </summary>
/// <param name="subpath">canonized path</param>
/// <returns>directory or null if was not found</returns>
public ArchiveDirectoryEntry GetDirectory(string subpath)
{
if (subpath == null)
{
throw new ArgumentNullException(nameof(subpath));
}
if (subpath == "")
{
return(this);
}
// Split to local dir name and rest of the path
int slashIx = subpath.IndexOf('/');
string localDirectoryName = slashIx < 0 ? subpath : subpath.Substring(0, slashIx);
string restOfThePath = slashIx < 0 ? null : subpath.Substring(slashIx + 1);
// Get local directory
ArchiveDirectoryEntry dir = null;
if (!directories.TryGetValue(localDirectoryName, out dir))
{
return(null);
}
// Return or recurse
return(restOfThePath == null ? dir : dir.GetDirectory(restOfThePath));
}
/// <summary>
/// Search directory from the read-only directory index.
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public virtual IDirectoryContents GetDirectoryContents(string path)
{
if (IsDisposing)
{
throw new ObjectDisposedException(GetType().FullName);
}
if (path == null)
{
path = "";
}
string canonizedPath = CanonizePath(path);
ArchiveDirectoryEntry dir = root.GetDirectory(canonizedPath);
return((IDirectoryContents)dir ?? NotFoundDirectoryContents.Singleton);
}
