iTextSharp.text.pdf.BidiOrder.FindRunStart C# (CSharp) Метод

        private int FindRunStart(int index, sbyte[] validSet)
        {
            loop:
                while (--index >= 0) {
                    sbyte t = resultTypes[index];
                    for (int i = 0; i < validSet.Length; ++i) {
                        if (t == validSet[i]) {
                            goto loop;
                        }
                    }
                    return index + 1;
                }
                return 0;
        }