internal static void CheckXsltValue(IList <XPathItem> val)
{
// IsDocOrderDistinct is not always set to true even if the node-set is ordered
// Debug.Assert(val.Count <= 1 || val.IsDocOrderDistinct, "All node-sets must be ordered");
if (val.Count == 1)
{
XsltFunctions.EXslObjectType(val);
}
else
{
// Every item must be a node, but for performance reasons we check only
// the first two and the last two items
int count = val.Count;
for (int idx = 0; idx < count; idx++)
{
if (!val[idx].IsNode)
{
Debug.Fail("Invalid XSLT value");
break;
}
if (idx == 1)
{
idx += Math.Max(count - 4, 0);
}
}
}
}
private void FormatItem(StringBuilder sb, XPathItem item, char startChar, int length)
{
double dblVal;
if (item.ValueType == typeof(int))
{
dblVal = (double)item.ValueAsInt;
}
else
{
Debug.Assert(item.ValueType == typeof(double), "Item must be either of type int, or double");
dblVal = XsltFunctions.Round(item.ValueAsDouble);
}
Debug.Assert(1 <= dblVal && dblVal < double.PositiveInfinity);
char zero = '0';
switch (startChar)
{
case '1':
break;
case 'A':
case 'a':
if (dblVal <= MaxAlphabeticValue)
{
ConvertToAlphabetic(sb, dblVal, startChar, 26);
return;
}
break;
case 'I':
case 'i':
if (dblVal <= MaxRomanValue)
{
ConvertToRoman(sb, dblVal, /*upperCase:*/ startChar == 'I');
return;
}
break;
default:
Debug.Assert(CharUtil.IsDecimalDigitOne(startChar), "Unexpected startChar: " + startChar);
zero = (char)(startChar - 1);
break;
}
sb.Append(ConvertToDecimal(dblVal, length, zero, _groupingSeparator, _groupingSize));
}
