◆ ParseQNameAsync() [2/2]

async Task<(int, int)> System.Xml.XmlTextReaderImpl.ParseQNameAsync	(	bool	isQName,
		int	startOffset )
inlineprivate
Definition at line 12590 of file XmlTextReaderImpl.cs.
    {
        int colonOffset = -1;
        int num = _ps.charPos + startOffset;
        while (true)
        {
            char[] chars = _ps.chars;
            if (XmlCharType.IsStartNCNameSingleChar(chars[num]))
            {
                num++;
            }
            else if (num + 1 >= _ps.charsUsed)
            {
                (int, bool) tuple = await ReadDataInNameAsync(num).ConfigureAwait(continueOnCapturedContext: false);
                (num, _) = tuple;
                if (tuple.Item2)
                {
                    continue;
                }
                Throw(num, System.SR.Xml_UnexpectedEOF, "Name");
            }
            else if (chars[num] != ':' || _supportNamespaces)
            {
                Throw(num, System.SR.Xml_BadStartNameChar, XmlException.BuildCharExceptionArgs(chars, _ps.charsUsed, num));
            }
            while (true)
            {
                if (XmlCharType.IsNCNameSingleChar(chars[num]))
                {
                    num++;
                    continue;
                }
                if (chars[num] == ':')
                {
                    if (_supportNamespaces)
                    {
                        break;
                    }
                    colonOffset = num - _ps.charPos;
                    num++;
                    continue;
                }
                if (num == _ps.charsUsed)
                {
                    (int, bool) tuple3 = await ReadDataInNameAsync(num).ConfigureAwait(continueOnCapturedContext: false);
                    (num, _) = tuple3;
                    if (tuple3.Item2)
                    {
                        chars = _ps.chars;
                        continue;
                    }
                    Throw(num, System.SR.Xml_UnexpectedEOF, "Name");
                }
                int item = ((colonOffset == -1) ? (-1) : (_ps.charPos + colonOffset));
                return (item, num);
            }
            if (colonOffset != -1 || !isQName)
            {
                Throw(num, System.SR.Xml_BadNameChar, XmlException.BuildCharExceptionArgs(':', '\0'));
            }
            colonOffset = num - _ps.charPos;
            num++;
        }
    }