public Path GetParent(int backtracks)
{
if (backtracks > NumberOfSubPathParts)
{
return(null);
}
if (Style == PathStyle.Standard && _parts.Count == 2 && _parts[1] == string.Empty)
{
return(null);
}
if (backtracks == 0)
{
return(ToString());
}
int partsToTake = _parts.Count - backtracks;
string[] parts = new string[partsToTake + 1];
_parts.CopyTo(0, parts, 0, partsToTake);
parts[partsToTake] = string.Empty;
Path parent = string.Join(PartDelimiter.ToString(), parts);
parent.Scheme = Scheme;
parent.Host = Host;
parent.Port = Port;
parent.Style = Style;
return(parent);
}
public override string ToString()
{
switch (Style)
{
case PathStyle.Uri:
if (string.IsNullOrEmpty(Scheme) && string.IsNullOrEmpty(Host))
{
return(FullSubPath);
}
return(string.Format("{0}://{1}{2}", Scheme, Host, FullSubPath));
case PathStyle.Windows:
return(string.Join(PartDelimiter.ToString(), _parts.ToArray()));
case PathStyle.Standard:
return(FullSubPath);
default:
throw new NotSupportedException();
}
}
