iTextSharp.text.pdf.XfaForm.Xml2Som.EscapeSom C# (CSharp) Метод

            public static String EscapeSom(String s) {
                int idx = s.IndexOf('.');
                if (idx < 0)
                    return s;
                StringBuilder sb = new StringBuilder();
                int last = 0;
                while (idx >= 0) {
                    sb.Append(s.Substring(last, idx - last));
                    sb.Append('\\');
                    last = idx;
                    idx = s.IndexOf('.', idx + 1);
                }
                sb.Append(s.Substring(last));
                return sb.ToString();
            }