/// <summary>Mimics the behavior of VirtualPathUtility.Combine with less restrictions and minimal dependencies.</summary>
/// <param name="url1">First part</param>
/// <param name="url2">Last part</param>
/// <returns>The combined URL.</returns>
public static string Combine(string url1, string url2)
{
if (string.IsNullOrEmpty(url2))
{
return(ToAbsolute(url1));
}
if (string.IsNullOrEmpty(url1))
{
return(ToAbsolute(url2));
}
if (url2.StartsWith("/"))
{
return(url2);
}
if (url2.StartsWith("~"))
{
return(ToAbsolute(url2));
}
if (url2.StartsWith("{"))
{
return(url2);
}
if (url2.IndexOf(':') >= 0)
{
return(url2);
}
Url first = url1;
Url second = url2;
return(first.AppendSegment(second.Path, "").AppendQuery(second.Query).SetFragment(second.Fragment));
}