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initial version

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@479290 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Amol S. Deshmukh 2006-11-26 06:14:11 +00:00
parent 3cad882697
commit 0bce29d37c
7 changed files with 305 additions and 18 deletions
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32
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Islogical.java
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@ -4,10 +4,38 @@
*/
package org.apache.poi.hssf.record.formula.functions;
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
import org.apache.poi.hssf.record.formula.eval.RefEval;
import org.apache.poi.hssf.record.formula.eval.ValueEval;
/**
* @author
* @author Amol S. Deshmukh < amolweb at ya hoo dot com >
*
*/
public class Islogical extends NotImplementedFunction {
public class Islogical extends LogicalFunction {
public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
Eval retval = BoolEval.FALSE;
switch (operands.length) {
default:
retval = ErrorEval.VALUE_INVALID;
break;
case 1:
Eval eval = operands[0];
if (eval instanceof BoolEval) {
retval = BoolEval.TRUE;
}
else if (eval instanceof RefEval) {
Eval xlatedEval = xlateRefEval((RefEval) eval);
if (xlatedEval instanceof BoolEval) {
retval = BoolEval.TRUE;
}
}
}
return retval;
}
}

33
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Isnontext.java
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@ -4,10 +4,37 @@
*/
package org.apache.poi.hssf.record.formula.functions;
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
import org.apache.poi.hssf.record.formula.eval.RefEval;
import org.apache.poi.hssf.record.formula.eval.StringEval;
/**
* @author
* @author Amol S. Deshmukh < amolweb at ya hoo dot com >
*
*/
public class Isnontext extends NotImplementedFunction {
public class Isnontext extends LogicalFunction {
public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
Eval retval = BoolEval.TRUE;
switch (operands.length) {
default:
retval = ErrorEval.VALUE_INVALID;
break;
case 1:
Eval eval = operands[0];
if (eval instanceof StringEval) {
retval = BoolEval.FALSE;
}
else if (eval instanceof RefEval) {
Eval xlatedEval = xlateRefEval((RefEval) eval);
if (xlatedEval instanceof StringEval) {
retval = BoolEval.FALSE;
}
}
}
return retval;
}
}

33
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Isnumber.java
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@ -4,10 +4,37 @@
*/
package org.apache.poi.hssf.record.formula.functions;
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
import org.apache.poi.hssf.record.formula.eval.NumberEval;
import org.apache.poi.hssf.record.formula.eval.RefEval;
/**
* @author
* @author Amol S. Deshmukh < amolweb at ya hoo dot com >
*
*/
public class Isnumber extends NotImplementedFunction {
public class Isnumber extends LogicalFunction {
public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
Eval retval = BoolEval.FALSE;
switch (operands.length) {
default:
retval = ErrorEval.VALUE_INVALID;
break;
case 1:
Eval eval = operands[0];
if (eval instanceof NumberEval) {
retval = BoolEval.TRUE;
}
else if (eval instanceof RefEval) {
Eval xlatedEval = xlateRefEval((RefEval) eval);
if (xlatedEval instanceof NumberEval) {
retval = BoolEval.TRUE;
}
}
}
return retval;
}
}

27
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Isref.java
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@ -4,10 +4,31 @@
*/
package org.apache.poi.hssf.record.formula.functions;
import org.apache.poi.hssf.record.formula.eval.AreaEval;
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
import org.apache.poi.hssf.record.formula.eval.RefEval;
/**
* @author
* @author Amol S. Deshmukh < amolweb at ya hoo dot com >
*
*/
public class Isref extends NotImplementedFunction {
public class Isref implements Function {
public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
Eval retval = BoolEval.FALSE;
switch (operands.length) {
default:
retval = ErrorEval.VALUE_INVALID;
break;
case 1:
Eval eval = operands[0];
if (eval instanceof RefEval || eval instanceof AreaEval) {
retval = BoolEval.TRUE;
}
}
return retval;
}
}

33
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Istext.java
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@ -4,10 +4,37 @@
*/
package org.apache.poi.hssf.record.formula.functions;
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
import org.apache.poi.hssf.record.formula.eval.RefEval;
import org.apache.poi.hssf.record.formula.eval.StringEval;
/**
* @author
* @author Amol S. Deshmukh < amolweb at ya hoo dot com >
*
*/
public class Istext extends NotImplementedFunction {
public class Istext extends LogicalFunction {
public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
Eval retval = BoolEval.FALSE;
switch (operands.length) {
default:
retval = ErrorEval.VALUE_INVALID;
break;
case 1:
Eval eval = operands[0];
if (eval instanceof StringEval) {
retval = BoolEval.TRUE;
}
else if (eval instanceof RefEval) {
Eval xlatedEval = xlateRefEval((RefEval) eval);
if (xlatedEval instanceof StringEval) {
retval = BoolEval.TRUE;
}
}
}
return retval;
}
}

82
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Left.java
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@ -4,10 +4,88 @@
*/
package org.apache.poi.hssf.record.formula.functions;
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
import org.apache.poi.hssf.record.formula.eval.NumberEval;
import org.apache.poi.hssf.record.formula.eval.RefEval;
import org.apache.poi.hssf.record.formula.eval.StringEval;
import org.apache.poi.hssf.record.formula.eval.ValueEval;
/**
* @author
* @author Amol S. Deshmukh < amolweb at ya hoo dot com >
*
*/
public class Left extends NotImplementedFunction {
public class Left extends TextFunction {
public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
Eval retval = ErrorEval.VALUE_INVALID;
int index = 1;
switch (operands.length) {
default:
break;
case 2:
Eval indexEval = operands[1];
index = evaluateAsInteger(indexEval);
if (index < 0) {
break;
}
case 1:
ValueEval veval = singleOperandEvaluate(operands[0], srcCellRow, srcCellCol);
String str = null;
if (veval instanceof StringEval) {
StringEval stringEval = (StringEval) veval;
str = stringEval.getStringValue();
}
else if (veval instanceof BoolEval) {
BoolEval beval = (BoolEval) veval;
str = beval.getBooleanValue() ? "TRUE" : "FALSE";
}
else if (veval instanceof NumberEval) {
NumberEval neval = (NumberEval) veval;
str = neval.getStringValue();
}
if (null != str) {
str = str.substring(0, Math.min(str.length(), index));
retval = new StringEval(str);
}
}
return retval;
}
protected int evaluateAsInteger(Eval eval) {
int numval = -1;
if (eval instanceof NumberEval) {
NumberEval neval = (NumberEval) eval;
double d = neval.getNumberValue();
numval = (int) d;
}
else if (eval instanceof StringEval) {
StringEval seval = (StringEval) eval;
String s = seval.getStringValue();
try {
double d = Double.parseDouble(s);
numval = (int) d;
}
catch (Exception e) {
}
}
else if (eval instanceof BoolEval) {
BoolEval beval = (BoolEval) eval;
numval = beval.getBooleanValue() ? 1 : 0;
}
else if (eval instanceof RefEval) {
numval = evaluateAsInteger(xlateRefEval((RefEval) eval));
}
return numval;
}
protected Eval xlateRefEval(RefEval reval) {
Eval retval = reval.getInnerValueEval();
if (retval instanceof RefEval) {
retval = xlateRefEval((RefEval) retval);
}
return retval;
}
}

83
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Right.java
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@ -4,10 +4,89 @@
*/
package org.apache.poi.hssf.record.formula.functions;
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
import org.apache.poi.hssf.record.formula.eval.NumberEval;
import org.apache.poi.hssf.record.formula.eval.RefEval;
import org.apache.poi.hssf.record.formula.eval.StringEval;
import org.apache.poi.hssf.record.formula.eval.ValueEval;
/**
* @author
* @author Amol S. Deshmukh &lt; amolweb at ya hoo dot com &gt;
*
*/
public class Right extends NotImplementedFunction {
public class Right extends TextFunction {
public Eval evaluate(Eval[] operands, int srcCellRow, short srcCellCol) {
Eval retval = ErrorEval.VALUE_INVALID;
int index = 1;
switch (operands.length) {
default:
break;
case 2:
Eval indexEval = operands[1];
index = evaluateAsInteger(indexEval);
if (index < 0) {
break;
}
case 1:
ValueEval veval = singleOperandEvaluate(operands[0], srcCellRow, srcCellCol);
String str = null;
if (veval instanceof StringEval) {
StringEval stringEval = (StringEval) veval;
str = stringEval.getStringValue();
}
else if (veval instanceof BoolEval) {
BoolEval beval = (BoolEval) veval;
str = beval.getBooleanValue() ? "TRUE" : "FALSE";
}
else if (veval instanceof NumberEval) {
NumberEval neval = (NumberEval) veval;
str = neval.getStringValue();
}
if (null != str) {
int strlen = str.length();
str = str.substring(Math.max(0, strlen-index));
retval = new StringEval(str);
}
}
return retval;
}
protected int evaluateAsInteger(Eval eval) {
int numval = -1;
if (eval instanceof NumberEval) {
NumberEval neval = (NumberEval) eval;
double d = neval.getNumberValue();
numval = (int) d;
}
else if (eval instanceof StringEval) {
StringEval seval = (StringEval) eval;
String s = seval.getStringValue();
try {
double d = Double.parseDouble(s);
numval = (int) d;
}
catch (Exception e) {
}
}
else if (eval instanceof BoolEval) {
BoolEval beval = (BoolEval) eval;
numval = beval.getBooleanValue() ? 1 : 0;
}
else if (eval instanceof RefEval) {
numval = evaluateAsInteger(xlateRefEval((RefEval) eval));
}
return numval;
}
protected Eval xlateRefEval(RefEval reval) {
Eval retval = reval.getInnerValueEval();
if (retval instanceof RefEval) {
retval = xlateRefEval((RefEval) retval);
}
return retval;
}
}