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

        private void ScanQName(bool isQName)
        {
            _tokenStartPos = _curPos;
            int colonOffset = -1;

            for (;;)
            {
                unsafe
                {
                    if (_xmlCharType.IsStartNCNameSingleChar(_chars[_curPos]) || _chars[_curPos] == ':')
                    {
                        _curPos++;
                    }
#if XML10_FIFTH_EDITION
                    else if ( curPos + 1 < charsUsed && xmlCharType.IsNCNameSurrogateChar(chars[curPos+1], chars[curPos])) {
                        curPos += 2;
                    }
#endif
                    else
                    {
                        if (_curPos + 1 >= _charsUsed)
                        {
                            if (ReadDataInName())
                            {
                                continue;
                            }
                            Throw(_curPos, SR.Xml_UnexpectedEOF, "Name");
                        }
                        else
                        {
                            Throw(_curPos, SR.Xml_BadStartNameChar, XmlException.BuildCharExceptionArgs(_chars, _charsUsed, _curPos));
                        }
                    }
                }

            ContinueName:

                unsafe
                {
                    for (;;)
                    {
                        if (_xmlCharType.IsNCNameSingleChar(_chars[_curPos]))
                        {
                            _curPos++;
                        }
#if XML10_FIFTH_EDITION
                        else if ( curPos + 1 < charsUsed && xmlCharType.IsNameSurrogateChar(chars[curPos + 1], chars[curPos]) ) {
                            curPos += 2;
                        }
#endif
                        else
                        {
                            break;
                        }
                    }
                }

                if (_chars[_curPos] == ':')
                {
                    if (isQName)
                    {
                        if (colonOffset != -1)
                        {
                            Throw(_curPos, SR.Xml_BadNameChar, XmlException.BuildCharExceptionArgs(':', '\0'));
                        }
                        colonOffset = _curPos - _tokenStartPos;
                        _curPos++;
                        continue;
                    }
                    else
                    {
                        _curPos++;
                        goto ContinueName;
                    }
                }
                // end of buffer
                else if (_curPos == _charsUsed
#if XML10_FIFTH_EDITION
                    || ( curPos + 1 == charsUsed && xmlCharType.IsNCNameHighSurrogateChar( chars[curPos] ) ) 
#endif
                    )
                {
                    if (ReadDataInName())
                    {
                        goto ContinueName;
                    }
                    if (_tokenStartPos == _curPos)
                    {
                        Throw(_curPos, SR.Xml_UnexpectedEOF, "Name");
                    }
                }
                // end of name
                _colonPos = (colonOffset == -1) ? -1 : _tokenStartPos + colonOffset;
                return;
            }
        }