CalDavSynchronizer.Conversions.Msft.HtmlParser.ExtractHtmlFromClipboardData C# (CSharp) Метод

        internal static string ExtractHtmlFromClipboardData(string htmlDataString)
        {
            int startHtmlIndex = htmlDataString.IndexOf("StartHTML:");
            if (startHtmlIndex < 0)
            {
                return "ERROR: Urecognized html header";
            }
            // TODO: We assume that indices represented by strictly 10 zeros ("0123456789".Length),
            // which could be wrong assumption. We need to implement more flrxible parsing here
            startHtmlIndex = Int32.Parse(htmlDataString.Substring(startHtmlIndex + "StartHTML:".Length, "0123456789".Length));
            if (startHtmlIndex < 0 || startHtmlIndex > htmlDataString.Length)
            {
                return "ERROR: Urecognized html header";
            }

            int endHtmlIndex = htmlDataString.IndexOf("EndHTML:");
            if (endHtmlIndex < 0)
            {
                return "ERROR: Urecognized html header";
            }
            // TODO: We assume that indices represented by strictly 10 zeros ("0123456789".Length),
            // which could be wrong assumption. We need to implement more flrxible parsing here
            endHtmlIndex = Int32.Parse(htmlDataString.Substring(endHtmlIndex + "EndHTML:".Length, "0123456789".Length));
            if (endHtmlIndex > htmlDataString.Length)
            {
                endHtmlIndex = htmlDataString.Length;
            }

            return htmlDataString.Substring(startHtmlIndex, endHtmlIndex - startHtmlIndex);
        }