int IComparable <RegistryFile> .CompareTo(RegistryFile other)
{
if (Filename == null && other.Filename == null)
{
return(0);
}
// Anything without a filename is sent down
if (Filename != null && other.Filename == null)
{
return(-1);
}
else if (Filename == null && other.Filename != null)
{
return(1);
}
// Anything with a URL first
if (Url != null && other.Url == null)
{
return(-1);
}
else if (Url == null && other.Url != null)
{
return(1);
}
// Then, anything with at least a hash
if (Hash?.Value != null && other.Hash?.Value == null)
{
return(-1);
}
else if (Hash?.Value == null && other.Hash?.Value != null)
{
return(1);
}
if (Filename.StartsWith("/") && !other.Filename.StartsWith("/"))
{
return(1);
}
else if (!Filename.StartsWith("/") && other.Filename.StartsWith("/"))
{
return(-1);
}
// Start with folders at the root level
var thisSlashes = Filename?.Count(c => c == '/') ?? 0;
var otherSlashes = other.Filename?.Count(c => c == '/') ?? 0;
if (thisSlashes > otherSlashes)
{
return(1);
}
else if (thisSlashes < otherSlashes)
{
return(-1);
}
// Finally sort by filename
return(Filename?.CompareTo(other.Filename) ?? 0);
}
