package org.boris.expr.function.excel;
import org.boris.expr.Expr;
import org.boris.expr.ExprError;
import org.boris.expr.ExprException;
import org.boris.expr.ExprInteger;
import org.boris.expr.ExprVariable;
import org.boris.expr.engine.Range;
import org.boris.expr.function.AbstractFunction;
public class ROW extends AbstractFunction
{
public Expr evaluate(Expr[] args) throws ExprException {
assertArgCount(args, 1);
if (args[0] instanceof ExprVariable) {
ExprVariable v = (ExprVariable) args[0];
Range r = (Range) v.getAnnotation();
if (r == null) {
r = Range.valueOf(v.getName());
}
if (r != null && r.getDimension1() != null) {
return new ExprInteger(r.getDimension1().getRow());
}
return ExprError.NAME;
}
throw new ExprException("Invalid argument for function ROW");
}
}