Package org.apache.poi.hssf.record.formula.eval

Examples of org.apache.poi.hssf.record.formula.eval.ValueEval

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*/
public class Len extends TextFunction {


    public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
        ValueEval retval = null;
        String s = null;
       
        switch (operands.length) {
        default:
            retval = ErrorEval.VALUE_INVALID;
            break;
        case 1:
            ValueEval ve = singleOperandEvaluate(operands[0], srcCellRow, srcCellCol);
            if (ve instanceof StringValueEval) {
                StringValueEval sve = (StringValueEval) ve;
                s = sve.getStringValue();
            }
            else if (ve instanceof RefEval) {
                RefEval re = (RefEval) ve;
                ValueEval ive = re.getInnerValueEval();
                if (ive instanceof BlankEval) {
                    s = re.isEvaluated() ? "0" : null;
                }
                else if (ive instanceof StringValueEval) {
                    s = ((StringValueEval) ive).getStringValue();
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        return retval;
    }
   
   
    protected ValueEval singleOperandEvaluate(Eval eval, int srcRow, short srcCol) {
        ValueEval retval;
        if (eval instanceof AreaEval) {
            AreaEval ae = (AreaEval) eval;
            if (ae.contains(srcRow, srcCol)) { // circular ref!
                retval = ErrorEval.CIRCULAR_REF_ERROR;
            }
            else if (ae.isRow()) {
                if (ae.containsColumn(srcCol)) {
                    ValueEval ve = ae.getValueAt(ae.getFirstRow(), srcCol);
                    retval = attemptXlateToText(ve);
                }
                else {
                    retval = ErrorEval.VALUE_INVALID;
                }
            }
            else if (ae.isColumn()) {
                if (ae.containsRow(srcRow)) {
                    ValueEval ve = ae.getValueAt(srcRow, ae.getFirstColumn());
                    retval = attemptXlateToText(ve);
                }
                else {
                    retval = ErrorEval.VALUE_INVALID;
                }
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     * the returned value is ErrorEval.VALUE_INVALID
     * @param ve
     * @return
     */
    protected ValueEval attemptXlateToText(ValueEval ve) {
        ValueEval retval;
        if (ve instanceof StringValueEval || ve instanceof RefEval) {
            retval = ve;
        }
        else if (ve instanceof BlankEval) {
            retval = ve;
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public class T implements Function {
   
   

    public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
        ValueEval retval = null;
        switch (operands.length) {
        default:
            retval = ErrorEval.VALUE_INVALID;
            break;
        case 1:
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public class Round extends NumericFunction {

    public Eval evaluate(Eval[] operands, int srcRow, short srcCol) {
        double d0 = 0;
        double d1 = 0;
        ValueEval retval = null;

        switch (operands.length) {
        default:
            retval = ErrorEval.VALUE_INVALID;
            break;
        case 2:
            ValueEval ve = singleOperandEvaluate(operands[0], srcRow, srcCol);
            if (ve instanceof NumericValueEval) {
                NumericValueEval ne = (NumericValueEval) ve;
                d0 = ne.getNumberValue();
            }
            else if (ve instanceof BlankEval) {
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public class Roundup extends NumericFunction {

    public Eval evaluate(Eval[] operands, int srcRow, short srcCol) {
        double d0 = 0;
        double d1 = 0;
        ValueEval retval = null;

        switch (operands.length) {
        default:
            retval = ErrorEval.VALUE_INVALID;
            break;
        case 2:
            ValueEval ve = singleOperandEvaluate(operands[0], srcRow, srcCol);
            if (ve instanceof NumericValueEval) {
                NumericValueEval ne = (NumericValueEval) ve;
                d0 = ne.getNumberValue();
            }
            else if (ve instanceof BlankEval) {
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* 
*/
public class Or extends BooleanFunction {

    public Eval evaluate(Eval[] operands, int srcRow, short srcCol) {
        ValueEval retval = null;
        boolean b = false;
        boolean atleastOneNonBlank = false;
       
        /*
         * Note: do not abort the loop if b is true, since we could be
         * dealing with errorevals later.
         */
        outer:
        for (int i=0, iSize=operands.length; i<iSize; i++) {
            if (operands[i] instanceof AreaEval) {
                AreaEval ae = (AreaEval) operands[i];
                ValueEval[] values = ae.getValues();
                for (int j=0, jSize=values.length; j<jSize; j++) {
                    ValueEval tempVe = singleOperandEvaluate(values[j], srcRow, srcCol, true);
                    if (tempVe instanceof BoolEval) {
                        b = b || ((BoolEval) tempVe).getBooleanValue();
                        atleastOneNonBlank = true;
                    }
                    else if (tempVe instanceof ErrorEval) {
                        retval = tempVe;
                        break outer;
                    }
                }
            }
            else {
                ValueEval tempVe = singleOperandEvaluate(operands[i], srcRow, srcCol, false);
                if (tempVe instanceof BoolEval) {
                    b = b || ((BoolEval) tempVe).getBooleanValue();
                    atleastOneNonBlank = true;
                }
                else if (tempVe instanceof ErrorEval) {
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        if (eval instanceof NumberEval) {
            retval = true;
        }
        else if (eval instanceof RefEval) {
            RefEval re = (RefEval) eval;
            ValueEval ve = re.getInnerValueEval();
            retval = (ve instanceof NumberEval);
        }
       
        return retval;
    }
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            NumberEval ne = (NumberEval) eval;
            retval = ne.getNumberValue();
        }
        else if (eval instanceof RefEval) {
            RefEval re = (RefEval) eval;
            ValueEval ve = re.getInnerValueEval();
                retval = (ve instanceof NumberEval)
                    ? ((NumberEval) ve).getNumberValue()
                    : Double.NaN;
        }
        else if (eval instanceof ErrorEval) {
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public class Fv extends FinanceFunction {

    public Eval evaluate(Eval[] operands, int srcRow, short srcCol) {
        double rate = 0, nper = 0, pmt = 0, pv = 0, d = 0;
        boolean type = false;
        ValueEval retval = null;
        ValueEval ve = null;
       
        switch (operands.length) {
        default:
            retval = ErrorEval.VALUE_INVALID;
            break;
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  • org.apache.poi.hssf.record.formula.functions.Asinh
  • org.apache.poi.hssf.record.formula.functions.Avedev
  • org.apache.poi.hssf.record.formula.functions.BooleanFunction
  • org.apache.poi.hssf.record.formula.functions.CalendarFieldFunction
  • org.apache.poi.hssf.record.formula.functions.Choose
  • org.apache.poi.hssf.record.formula.functions.Column
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