private string ScanNCName()
{
Debug.Assert(xmlCharType.IsStartNCNameChar(curChar));
int start = curIndex;
while (xmlCharType.IsNCNameChar(curChar))
{
NextChar();
}
return(xpathExpr.Substring(start, curIndex - start));
}
private string ScanName()
{
Debug.Assert(xmlCharType.IsStartNCNameChar(this.CurerntChar));
int start = xpathExprIndex - 1;
int len = 0;
while (xmlCharType.IsNCNameChar(this.CurerntChar))
{
NextChar(); len++;
}
return(this.xpathExpr.Substring(start, len));
}
internal static bool IsProcessingInstructionName(string name)
{
if (name == null)
{
return(false);
}
int nameLength = name.Length;
int position = 0;
XmlCharType xmlCharType = XmlCharType.Instance;
while (position < nameLength && xmlCharType.IsWhiteSpace(name[position]))
{
position++;
}
if (position >= nameLength)
{
return(false);
}
if (position < nameLength && !xmlCharType.IsStartNCNameChar(name[position]))
{
return(false);
}
while (position < nameLength && xmlCharType.IsNCNameChar(name[position]))
{
position++;
}
while (position < nameLength && xmlCharType.IsWhiteSpace(name[position]))
{
position++;
}
if (position < nameLength)
{
return(false);
}
if (nameLength == 3 &&
(name[0] == CharX || name[0] == Charx) &&
(name[1] == CharM || name[1] == Charm) &&
(name[2] == CharL || name[2] == Charl)
)
{
return(false);
}
return(true);
}
public static bool ValidatePrefix(string prefix)
{
if (prefix.Length == 0)
{
return(false);
}
XmlCharType xmlCharType = XmlCharType.Instance;
if (!xmlCharType.IsStartNCNameChar(prefix[0]))
{
return(false);
}
for (int i = 1; i < prefix.Length; i++)
{
if (!xmlCharType.IsNCNameChar(prefix[i]))
{
return(false);
}
}
return(true);
}
//
// Parsing qualified names
//
private static string ParseNCName(string qname, ref int position)
{
int qnameLength = qname.Length;
int nameStart = position;
if (
qnameLength == position || // Zero length ncname
!XmlCharType.IsStartNCNameChar(qname[position]) // Start from invalid char
)
{
throw new XsltException(Res.Xslt_InvalidQName, qname);
}
position++;
while (position < qnameLength && XmlCharType.IsNCNameChar(qname[position]))
{
position++;
}
return(qname.Substring(nameStart, position - nameStart));
}
