Range GetPathRange(GetPathType type, Range range)
{
var path = GetString(range);
var dirLength = Math.Max(0, path.LastIndexOf('\\'));
if ((path.StartsWith(@"\\")) && (dirLength == 1))
dirLength = 0;
var dirTotal = dirLength == 0 ? 0 : dirLength + 1;
var extLen = Path.GetExtension(path).Length;
switch (type)
{
case GetPathType.FileName: return new Range(range.End, range.Start + dirTotal);
case GetPathType.FileNameWoExtension: return new Range(range.End - extLen, range.Start + dirTotal);
case GetPathType.Directory: return new Range(range.Start + dirLength, range.Start);
case GetPathType.Extension: return new Range(range.End, range.End - extLen);
default: throw new ArgumentException();
}
}
void Command_Files_Select_Name(GetPathType type) => Selections.Replace(Selections.AsParallel().AsOrdered().Select(range => GetPathRange(type, range)).ToList());
