public static string ExtractPath(string uri, params string[] additional)
{
var index = uri.IndexOf(MakeFileUri.Scheme);
if (-1 == index)
{
return(MakeFileUri.Combine(uri, additional));
}
int skipLength = MakeFileUri.Scheme.Length;
int addedLength = MakeFileUri.GetLength(additional);
var sb = new StringBuilder(uri.Length + addedLength - skipLength);
if (skipLength < uri.Length && '/' == uri[skipLength])
{
int winIndex = uri.IndexOf(MakeFileUri.WindowsScheme, skipLength + 1);
if (-1 != winIndex && winIndex < 10)
{
skipLength += 1;
}
}
sb.Append(uri, skipLength, uri.Length - skipLength);
return(MakeFileUri.Combine(sb, additional));
}
static string Combine(string origin, string[] additional)
{
if (string.IsNullOrEmpty(origin))
{
return(origin);
}
if (null == additional)
{
return(origin);
}
return(MakeFileUri.Combine(new StringBuilder(origin, origin.Length + MakeFileUri.GetLength(additional)), additional));
}