public org.apache.poi.hssf.record.formula.eval.Eval | evaluate(org.apache.poi.hssf.record.formula.eval.Eval[] operands, int srcCellRow, short srcCellCol)
ValueEval retval = null;
boolean b = false;
switch (operands.length) {
default:
retval = ErrorEval.VALUE_INVALID;
break;
case 1:
if (operands[0] instanceof BlankEval) {
b = true;
}
else if (operands[0] instanceof AreaEval) {
AreaEval ae = (AreaEval) operands[0];
if (ae.contains(srcCellRow, srcCellCol)) { // circular ref!
retval = ErrorEval.CIRCULAR_REF_ERROR;
}
else if (ae.isRow()) {
if (ae.containsColumn(srcCellCol)) {
ValueEval ve = ae.getValueAt(ae.getFirstRow(), srcCellCol);
b = (ve instanceof BlankEval);
}
else {
b = false;
}
}
else if (ae.isColumn()) {
if (ae.containsRow(srcCellRow)) {
ValueEval ve = ae.getValueAt(srcCellRow, ae.getFirstColumn());
b = (ve instanceof BlankEval);
}
else {
b = false;
}
}
else {
b = false;
}
}
else if (operands[0] instanceof RefEval) {
RefEval re = (RefEval) operands[0];
b = (!re.isEvaluated()) && re.getInnerValueEval() instanceof BlankEval;
}
else {
b = false;
}
}
if (retval == null) {
retval = b
? BoolEval.TRUE
: BoolEval.FALSE;
}
return retval;
|