System.Xml.DtdParser.ScanElement1 C# (CSharp) Méthode

        private Token ScanElement1()
        {
            for (;;)
            {
                switch (_chars[_curPos])
                {
                    case '(':
                        _scanningFunction = ScanningFunction.Element2;
                        _curPos++;
                        return Token.LeftParen;
                    case 'E':
                        if (_charsUsed - _curPos < 5)
                        {
                            goto ReadData;
                        }
                        if (_chars[_curPos + 1] == 'M' && _chars[_curPos + 2] == 'P' &&
                             _chars[_curPos + 3] == 'T' && _chars[_curPos + 4] == 'Y')
                        {
                            _curPos += 5;
                            _scanningFunction = ScanningFunction.ClosingTag;
                            return Token.EMPTY;
                        }
                        goto default;
                    case 'A':
                        if (_charsUsed - _curPos < 3)
                        {
                            goto ReadData;
                        }
                        if (_chars[_curPos + 1] == 'N' && _chars[_curPos + 2] == 'Y')
                        {
                            _curPos += 3;
                            _scanningFunction = ScanningFunction.ClosingTag;
                            return Token.ANY;
                        }
                        goto default;
                    default:
                        Throw(_curPos, SR.Xml_InvalidContentModel);
                        break;
                }
            ReadData:
                if (ReadData() == 0)
                {
                    Throw(_curPos, SR.Xml_IncompleteDtdContent);
                }
            }
        }