CSScriptCompilers.CCSharpParser.ProcessIfMarkedAsClassless C# (CSharp) Méthode

        bool ProcessIfMarkedAsClassless(string rawCode)
        {
            int beginPos = -1;
            int endPos = -1;

            if (-1 != (beginPos = rawCode.IndexOf("//css_classless", beginPos + 1)))
            {
                endPos = rawCode.IndexOf(";", beginPos);
                if (endPos != 1)
                {
                    string className = rawCode.Substring(beginPos, endPos - beginPos)
                                              .Substring("//css_classless".Length)
                                              .Trim()
                                              .Replace("\n", "")
                                              .Replace("\r", "");

                    if (className.Contains(" "))
                        throw new ApplicationException("Directive //css_classless contains illegal class name.\nIt is possible that the directive is not closed with ';').");

                    var tokens = className.Split('.');
                    classNameToInject = tokens[tokens.Length - 1];
                    if (tokens.Length > 1)
                        namespaceToInject = className.Substring(0, className.Length - classNameToInject.Length - 1);
                    else
                        namespaceToInject = "";
                }
            }

            beginPos = -1;
            endPos = -1;
            while (-1 != (beginPos = rawCode.IndexOf("//css_begin;", beginPos + 1)))
            {
                if (beginPos != 0)
                    if (rawCode[beginPos - 1] != '\n' && rawCode[beginPos - 1] != '\r')
                        continue;

                if ((beginPos + "//css_begin;".Length) < rawCode.Length)
                    if (rawCode[beginPos + "//css_begin;".Length + 1] != '\n' && rawCode[beginPos + "//css_begin;".Length + 1] != '\r')
                        continue;
                break;
            }

            endPos = -1;
            while (-1 != (endPos = rawCode.IndexOf("//css_end;", endPos + 1)))
            {
                if (endPos != 0)
                    if (rawCode[endPos - 1] != '\n' && rawCode[endPos - 1] != '\r')
                        continue;

                if ((endPos + "//css_end;".Length) < rawCode.Length)
                    if (rawCode[endPos + "//css_end;".Length + 1] != '\n' && rawCode[endPos + "//css_end;".Length + 1] != '\r')
                        continue;
                break;
            }
            if (beginPos == -1 && endPos == -1)
                return false;

            if (endPos == -1)
                endPos = rawCode.Length - 1;
            if (beginPos == -1)
                beginPos = 0;

            header.Append(rawCode.Substring(0, beginPos));
            body.Append(rawCode.Substring(beginPos, endPos - beginPos));
            footer.Append(rawCode.Substring(endPos, rawCode.Length - endPos));

            return true;
        }