public bool Matches(ValueEval x)
{
int testValue = 0;
if (x is StringEval)
{
if (true)
{ // Change to false to observe more intuitive behaviour
// Note - Unlike with numbers, it seems that COUNTA never Matches
// bool values when the tarGet(x) Is a string
return(false);
}
StringEval se = (StringEval)x;
bool? val = ParseBoolean(se.StringValue);
if (val == null)
{
// x is text that is not a boolean
return(false);
}
testValue = BoolToInt(val);
}
else if (x is BoolEval)
{
BoolEval be = (BoolEval)x;
testValue = BoolToInt(be.BooleanValue);
}
else
{
return(false);
}
return(_operator.Evaluate(testValue - _value));
}
public bool Matches(ValueEval x)
{
double testValue;
if (x is StringEval)
{
// if the tarGet(x) Is a string, but Parses as a number
// it may still Count as a match
StringEval se = (StringEval)x;
double val = OperandResolver.ParseDouble(se.StringValue);
if (double.IsNaN(val))
{
// x Is text that Is not a number
return(false);
}
testValue = val;
}
else if (x is NumberEval)
{
NumberEval ne = (NumberEval)x;
testValue = ne.NumberValue;
}
else
{
return(false);
}
return(_operator.Evaluate(testValue.CompareTo(_value)));
}
public bool Matches(ValueEval x)
{
if (x is BlankEval)
{
switch (_operator.Code)
{
case CmpOp.NONE:
case CmpOp.EQ:
return(_value.Length == 0);
}
// no other criteria matches a blank cell
return(false);
}
if (!(x is StringEval))
{
// must always be string
// even if match str is wild, but contains only digits
// e.g. '4*7', NumberEval(4567) does not match
return(false);
}
String testedValue = ((StringEval)x).StringValue;
if ((testedValue.Length < 1 && _value.Length < 1) ||
_value == "<>")
{
// odd case: criteria '=' behaves differently to criteria ''
switch (_operator.Code)
{
case CmpOp.NONE: return(true);
case CmpOp.EQ: return(false);
case CmpOp.NE: return(true);
}
return(false);
}
if (_pattern != null)
{
return(_operator.Evaluate(_pattern.IsMatch(testedValue)));
}
return(_operator.Evaluate(testedValue.CompareTo(_value)));
}
protected bool Evaluate(int cmpResult)
{
return(_operator.Evaluate(cmpResult));
}