private string ScanNCName()
{
Debug.Assert(xmlCharType.IsStartNCNameSingleChar(curChar)
#if XML10_FIFTH_EDITION
|| xmlCharType.IsNCNameHighSurrogateChar(curChar)
#endif
);
int start = curIndex;
for (;;)
{
if (xmlCharType.IsNCNameSingleChar(curChar))
{
NextChar();
}
#if XML10_FIFTH_EDITION
else if (xmlCharType.IsNCNameSurrogateChar(PeekNextChar(), curChar))
{
NextChar();
NextChar();
}
#endif
else
{
break;
}
}
return(xpathExpr.Substring(start, curIndex - start));
}
private string ScanName()
{
Debug.Assert(xmlCharType.IsStartNCNameSingleChar(this.CurrentChar)
#if XML10_FIFTH_EDITION
|| xmlCharType.IsNCNameHighSurrogateChar(this.CurerntChar)
#endif
);
int start = xpathExprIndex - 1;
int len = 0;
for (; ;)
{
if (xmlCharType.IsNCNameSingleChar(this.CurrentChar))
{
NextChar();
len++;
}
#if XML10_FIFTH_EDITION
else if (xmlCharType.IsNCNameSurrogateChar(this.PeekNextChar(), this.CurerntChar))
{
NextChar();
NextChar();
len += 2;
}
#endif
else
{
break;
}
}
return(this.xpathExpr.Substring(start, len));
}
//-----------------------------------------------
// Nmtoken parsing
//-----------------------------------------------
/// <summary>
/// Attempts to parse the input string as an Nmtoken (see the XML spec production [7] and XML Namespaces spec).
/// Quits parsing when an invalid Nmtoken char is reached or the end of string is reached.
/// Returns the number of valid Nmtoken chars that were parsed.
/// </summary>
internal static unsafe int ParseNmtoken(string s, int offset)
{
Debug.Assert(s != null && offset <= s.Length);
// Keep parsing until the end of string or an invalid NCName character is reached
int i = offset;
while (i < s.Length)
{
if ((xmlCharType.charProperties[s[i]] & XmlCharType.fNCNameSC) != 0) // if (xmlCharType.IsNCNameSingleChar(s[i])) {
{
i++;
}
#if XML10_FIFTH_EDITION
else if (xmlCharType.IsNCNameSurrogateChar(s, i))
{
i += 2;
}
#endif
else
{
break;
}
}
return(i - offset);
}