protected CompileResult Lookup(LookupNavigator navigator, LookupArguments lookupArgs)
{
object lastValue = null;
object lastLookupValue = null;
int? lastMatchResult = null;
if (lookupArgs.SearchedValue == null)
{
throw new ExcelErrorValueException("Lookupfunction failed to lookup value", ExcelErrorValue.Create(eErrorType.NA));
}
do
{
var matchResult = IsMatch(navigator.CurrentValue, lookupArgs.SearchedValue);
if (matchResult != 0)
{
if (lastValue != null && navigator.CurrentValue == null)
{
break;
}
if (lookupArgs.RangeLookup)
{
if (lastValue == null && matchResult > 0)
{
ThrowExcelErrorValueException(eErrorType.NA);
}
if (lastValue != null && matchResult > 0 && lastMatchResult < 0)
{
return(_compileResultFactory.Create(lastLookupValue));
}
lastMatchResult = matchResult;
lastValue = navigator.CurrentValue;
lastLookupValue = navigator.GetLookupValue();
}
}
else
{
return(_compileResultFactory.Create(navigator.GetLookupValue()));
}
}while (navigator.MoveNext());
if (lookupArgs.RangeLookup)
{
return(_compileResultFactory.Create(lastLookupValue));
}
throw new ExcelErrorValueException("Lookupfunction failed to lookup value", ExcelErrorValue.Create(eErrorType.NA));
}
protected CompileResult Lookup(LookupNavigator navigator, LookupArguments lookupArgs)
{
object lastValue = null;
object lastLookupValue = null;
int? lastMatchResult = null;
if (lookupArgs.SearchedValue == null)
{
return new CompileResult(ExcelErrorValue.Create(eErrorType.NA), DataType.ExcelError);
}
do
{
var matchResult = IsMatch(navigator.CurrentValue, lookupArgs.SearchedValue);
if (matchResult != 0)
{
if (lastValue != null && navigator.CurrentValue == null) break;
if (lookupArgs.RangeLookup)
{
if (lastValue == null && matchResult > 0)
{
ThrowExcelErrorValueException(eErrorType.NA);
}
if (lastValue != null && matchResult > 0 && lastMatchResult < 0)
{
return _compileResultFactory.Create(lastLookupValue);
}
lastMatchResult = matchResult;
lastValue = navigator.CurrentValue;
lastLookupValue = navigator.GetLookupValue();
}
}
else
{
return _compileResultFactory.Create(navigator.GetLookupValue());
}
}
while (navigator.MoveNext());
if (lookupArgs.RangeLookup)
{
return _compileResultFactory.Create(lastLookupValue);
}
return new CompileResult(ExcelErrorValue.Create(eErrorType.NA), DataType.ExcelError);
}
protected CompileResult Lookup(LookupNavigator navigator, LookupArguments lookupArgs)
{
object lastValue = null;
object lastLookupValue = null;
int? lastMatchResult = null;
if (lookupArgs.SearchedValue == null)
{
return(new CompileResult(eErrorType.NA));
}
do
{
var matchResult = IsMatch(navigator.CurrentValue, lookupArgs.SearchedValue);
if (matchResult != 0)
{
if (lastValue != null && navigator.CurrentValue == null)
{
break;
}
if (!lookupArgs.RangeLookup)
{
continue;
}
if (lastValue == null && matchResult > 0)
{
return(new CompileResult(eErrorType.NA));
}
if (lastValue != null && matchResult > 0 && lastMatchResult < 0)
{
return(_compileResultFactory.Create(lastLookupValue));
}
lastMatchResult = matchResult;
lastValue = navigator.CurrentValue;
lastLookupValue = navigator.GetLookupValue();
}
else
{
return(_compileResultFactory.Create(navigator.GetLookupValue()));
}
}while (navigator.MoveNext());
return(lookupArgs.RangeLookup ? _compileResultFactory.Create(lastLookupValue) : new CompileResult(eErrorType.NA));
}