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

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

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*/
public class Lower 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 BlankEval) {}
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public class Power 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) {
                // do nothing
            }
            else {
                retval = ErrorEval.NUM_ERROR;
            }
           
            if (retval == null) {
                ValueEval vev = singleOperandEvaluate(operands[1], srcRow, srcCol);
                if (vev instanceof NumericValueEval) {
                    NumericValueEval ne = (NumericValueEval) vev;
                    d1 = ne.getNumberValue();
                }
                else if (vev instanceof BlankEval) {
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        return DEFAULT_NUM_XLATOR;
    }

   
    public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
        ValueEval retval = null;
        double[] values = getNumberArray(operands, srcCellRow, srcCellCol);
        if (values == null) {
            retval = ErrorEval.VALUE_INVALID;
        }
        else {
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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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    protected ValueEvalToNumericXlator getXlator() {
        return DEFAULT_NUM_XLATOR;
    }
   
    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);
                    ve = getXlator().attemptXlateToNumeric(ve);
                    retval = getXlator().attemptXlateToNumeric(ve);
                }
                else {
                    retval = ErrorEval.VALUE_INVALID;
                }
            }
            else if (ae.isColumn()) {
                if (ae.containsRow(srcRow)) {
                    ValueEval ve = ae.getValueAt(srcRow, ae.getFirstColumn());
                    retval = getXlator().attemptXlateToNumeric(ve);
                }
                else {
                    retval = ErrorEval.VALUE_INVALID;
                }
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    protected ValueEvalToNumericXlator getXlator() {
        return DEFAULT_NUM_XLATOR;
    }
   
    protected ValueEval singleOperandNumericAsBoolean(Eval eval, int srcRow, short srcCol) {
        ValueEval retval = null;
        retval = singleOperandEvaluate(eval, srcRow, srcCol);
        if (retval instanceof NumericValueEval) {
            NumericValueEval nve = (NumericValueEval) retval;
            retval = (nve.getNumberValue() == 0)
                    ? BoolEval.FALSE
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*/
public class Concatenate extends TextFunction {


    public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
        ValueEval retval = null;
        StringBuffer sb = new StringBuffer();
       
        for (int i=0, iSize=operands.length; i<iSize; i++) {
            ValueEval ve = singleOperandEvaluate(operands[i], srcCellRow, srcCellCol);
            if (ve instanceof StringValueEval) {
                StringValueEval sve = (StringValueEval) ve;
                sb.append(sve.getStringValue());
            }
            else if (ve instanceof BlankEval) {}
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public class Log10 extends NumericFunction {
    private static final double LOG_10_TO_BASE_e = Math.log(10);

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

        switch (operands.length) {
        default:
            retval = ErrorEval.VALUE_INVALID;
            break;
        case 1:
            ValueEval ve = singleOperandEvaluate(operands[0], srcRow, srcCol);
            if (ve instanceof NumericValueEval) {
                NumericValueEval ne = (NumericValueEval) ve;
                d = ne.getNumberValue();
            }
            else if (ve instanceof BlankEval) {
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*/
public class Acosh extends NumericFunction {

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

        switch (operands.length) {
        default:
            retval = ErrorEval.VALUE_INVALID;
            break;
        case 1:
            ValueEval ve = singleOperandEvaluate(operands[0], srcRow, srcCol);
            if (ve instanceof NumericValueEval) {
                NumericValueEval ne = (NumericValueEval) ve;
                d = ne.getNumberValue();
            }
        }
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