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follow-up to Bug 62904. More tests and improved evaluation of IF in array mode 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1851263 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yegor Kozlov 2019-01-14 14:48:21 +00:00
parent 8c18d93a66
commit 698d8eb006
11 changed files with 229 additions and 53 deletions
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64
src/java/org/apache/poi/ss/formula/WorkbookEvaluator.java
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@ -398,6 +398,9 @@ public final class WorkbookEvaluator {
dbgEvaluationOutputIndent++;
}
EvaluationSheet evalSheet = ec.getWorkbook().getSheet(ec.getSheetIndex());
EvaluationCell evalCell = evalSheet.getCell(ec.getRowIndex(), ec.getColumnIndex());
Stack<ValueEval> stack = new Stack<>();
for (int i = 0, iSize = ptgs.length; i < iSize; i++) {
// since we don't know how to handle these yet :(
@ -436,46 +439,41 @@ public final class WorkbookEvaluator {
continue;
}
if (attrPtg.isOptimizedIf()) {
ValueEval arg0 = stack.pop();
boolean evaluatedPredicate;
try {
evaluatedPredicate = IfFunc.evaluateFirstArg(arg0, ec.getRowIndex(), ec.getColumnIndex());
} catch (EvaluationException e) {
stack.push(e.getErrorEval());
int dist = attrPtg.getData();
i+= countTokensToBeSkipped(ptgs, i, dist);
attrPtg = (AttrPtg) ptgs[i];
dist = attrPtg.getData()+1;
i+= countTokensToBeSkipped(ptgs, i, dist);
continue;
}
if (evaluatedPredicate) {
// nothing to skip - true param follows
} else {
int dist = attrPtg.getData();
Ptg currPtg = ptgs[i+1];
i+= countTokensToBeSkipped(ptgs, i, dist);
Ptg nextPtg = ptgs[i+1];
if(!evalCell.isPartOfArrayFormulaGroup()) {
ValueEval arg0 = stack.pop();
boolean evaluatedPredicate;
if (ptgs[i] instanceof AttrPtg && nextPtg instanceof FuncVarPtg &&
// in order to verify that there is no third param, we need to check
// if we really have the IF next or some other FuncVarPtg as third param, e.g. ROW()/COLUMN()!
((FuncVarPtg)nextPtg).getFunctionIndex() == FunctionMetadataRegistry.FUNCTION_INDEX_IF) {
// this is an if statement without a false param (as opposed to MissingArgPtg as the false param)
//i++;
stack.push(arg0);
if(currPtg instanceof AreaPtg){
// IF in array mode. See Bug 62904
ValueEval currEval = getEvalForPtg(currPtg, ec);
stack.push(currEval);
} else {
try {
evaluatedPredicate = IfFunc.evaluateFirstArg(arg0, ec.getRowIndex(), ec.getColumnIndex());
} catch (EvaluationException e) {
stack.push(e.getErrorEval());
int dist = attrPtg.getData();
i += countTokensToBeSkipped(ptgs, i, dist);
attrPtg = (AttrPtg) ptgs[i];
dist = attrPtg.getData() + 1;
i += countTokensToBeSkipped(ptgs, i, dist);
continue;
}
if (evaluatedPredicate) {
// nothing to skip - true param follows
} else {
int dist = attrPtg.getData();
i += countTokensToBeSkipped(ptgs, i, dist);
Ptg nextPtg = ptgs[i + 1];
if (ptgs[i] instanceof AttrPtg && nextPtg instanceof FuncVarPtg &&
// in order to verify that there is no third param, we need to check
// if we really have the IF next or some other FuncVarPtg as third param, e.g. ROW()/COLUMN()!
((FuncVarPtg) nextPtg).getFunctionIndex() == FunctionMetadataRegistry.FUNCTION_INDEX_IF) {
// this is an if statement without a false param (as opposed to MissingArgPtg as the false param)
//i++;
stack.push(arg0);
stack.push(BoolEval.FALSE);
}
}
}
continue;
}
if (attrPtg.isSkip()) {
if (attrPtg.isSkip() && !evalCell.isPartOfArrayFormulaGroup()) {
int dist = attrPtg.getData()+1;
i+= countTokensToBeSkipped(ptgs, i, dist);
if (stack.peek() == MissingArgEval.instance) {

5
src/java/org/apache/poi/ss/formula/eval/UnaryMinusEval.java
View File

@ -48,7 +48,10 @@ public final class UnaryMinusEval extends Fixed1ArgFunction implements ArrayFun
@Override
public ValueEval evaluateArray(ValueEval[] args, int srcRowIndex, int srcColumnIndex){
return evaluateOneArrayArg(args, srcRowIndex, srcColumnIndex, (valA) ->
if (args.length != 1) {
return ErrorEval.VALUE_INVALID;
}
return evaluateOneArrayArg(args[0], srcRowIndex, srcColumnIndex, (valA) ->
evaluate(srcRowIndex, srcColumnIndex, valA)
);
}

5
src/java/org/apache/poi/ss/formula/eval/UnaryPlusEval.java
View File

@ -52,7 +52,10 @@ public final class UnaryPlusEval extends Fixed1ArgFunction implements ArrayFunc
@Override
public ValueEval evaluateArray(ValueEval[] args, int srcRowIndex, int srcColumnIndex){
return evaluateOneArrayArg(args, srcRowIndex, srcColumnIndex, (valA) ->
if (args.length != 1) {
return ErrorEval.VALUE_INVALID;
}
return evaluateOneArrayArg(args[0], srcRowIndex, srcColumnIndex, (valA) ->
evaluate(srcRowIndex, srcColumnIndex, valA)
);
}

22
src/java/org/apache/poi/ss/formula/functions/ArrayFunction.java
View File

@ -111,6 +111,12 @@ public interface ArrayFunction {
vA = ErrorEval.NAME_INVALID;
} catch (EvaluationException e) {
vA = e.getErrorEval();
} catch (RuntimeException e) {
if(e.getMessage().startsWith("Don't now how to evaluate name")){
vA = ErrorEval.NAME_INVALID;
} else {
throw e;
}
}
ValueEval vB;
try {
@ -119,6 +125,12 @@ public interface ArrayFunction {
vB = ErrorEval.NAME_INVALID;
} catch (EvaluationException e) {
vB = e.getErrorEval();
} catch (RuntimeException e) {
if(e.getMessage().startsWith("Don't now how to evaluate name")){
vB = ErrorEval.NAME_INVALID;
} else {
throw e;
}
}
if(vA instanceof ErrorEval){
vals[idx++] = vA;
@ -138,10 +150,8 @@ public interface ArrayFunction {
return new CacheAreaEval(srcRowIndex, srcColumnIndex, srcRowIndex + height - 1, srcColumnIndex + width - 1, vals);
}
default ValueEval evaluateOneArrayArg(ValueEval[] args, int srcRowIndex, int srcColumnIndex,
default ValueEval evaluateOneArrayArg(ValueEval arg0, int srcRowIndex, int srcColumnIndex,
java.util.function.Function<ValueEval, ValueEval> evalFunc){
ValueEval arg0 = args[0];
int w1, w2, h1, h2;
int a1FirstCol = 0, a1FirstRow = 0;
if (arg0 instanceof AreaEval) {
@ -178,6 +188,12 @@ public interface ArrayFunction {
vA = ErrorEval.NAME_INVALID;
} catch (EvaluationException e) {
vA = e.getErrorEval();
} catch (RuntimeException e) {
if(e.getMessage().startsWith("Don't now how to evaluate name")){
vA = ErrorEval.NAME_INVALID;
} else {
throw e;
}
}
vals[idx++] = evalFunc.apply(vA);
}

26
src/java/org/apache/poi/ss/formula/functions/BooleanFunction.java
View File

@ -37,7 +37,7 @@ import org.apache.poi.ss.formula.eval.ValueEval;
*
* @author Amol S. Deshmukh &lt; amolweb at ya hoo dot com &gt;
*/
public abstract class BooleanFunction implements Function {
public abstract class BooleanFunction implements Function,ArrayFunction {
public final ValueEval evaluate(ValueEval[] args, int srcRow, int srcCol) {
if (args.length < 1) {
@ -142,7 +142,20 @@ public abstract class BooleanFunction implements Function {
return BoolEval.TRUE;
}
};
public static final Function NOT = new Fixed1ArgFunction() {
abstract static class Boolean1ArgFunction extends Fixed1ArgFunction implements ArrayFunction {
@Override
public ValueEval evaluateArray(ValueEval[] args, int srcRowIndex, int srcColumnIndex) {
if (args.length != 1) {
return ErrorEval.VALUE_INVALID;
}
return evaluateOneArrayArg(args[0], srcRowIndex, srcColumnIndex,
vA -> evaluate(srcRowIndex, srcColumnIndex, vA));
}
}
public static final Function NOT = new Boolean1ArgFunction() {
public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0) {
boolean boolArgVal;
try {
@ -156,4 +169,13 @@ public abstract class BooleanFunction implements Function {
return BoolEval.valueOf(!boolArgVal);
}
};
@Override
public ValueEval evaluateArray(ValueEval[] args, int srcRowIndex, int srcColumnIndex) {
if (args.length != 1) {
return ErrorEval.VALUE_INVALID;
}
return evaluateOneArrayArg(args[0], srcRowIndex, srcColumnIndex,
vA -> evaluate(new ValueEval[]{vA}, srcRowIndex, srcColumnIndex));
}
}

121
src/java/org/apache/poi/ss/formula/functions/IfFunc.java
View File

@ -17,10 +17,14 @@
package org.apache.poi.ss.formula.functions;
import org.apache.poi.ss.formula.CacheAreaEval;
import org.apache.poi.ss.formula.FormulaParseException;
import org.apache.poi.ss.formula.eval.*;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.ptg.RefPtg;
import java.util.function.BiFunction;
/**
* Implementation for the Excel function IF
* <p>
@ -84,25 +88,120 @@ public final class IfFunc extends Var2or3ArgFunction implements ArrayFunction {
@Override
public ValueEval evaluateArray(ValueEval[] args, int srcRowIndex, int srcColumnIndex) {
if (args.length < 2 || args.length > 3) {
return ErrorEval.VALUE_INVALID;
}
ValueEval arg0 = args[0];
ValueEval arg1 = args[1];
return evaluateTwoArrayArgs(arg0, arg1, srcRowIndex, srcColumnIndex,
(vA, vB) -> {
ValueEval arg2 = args.length == 2 ? BoolEval.FALSE : args[2];
return evaluateArrayArgs(arg0, arg1, arg2, srcRowIndex, srcColumnIndex);
}
ValueEval evaluateArrayArgs(ValueEval arg0, ValueEval arg1, ValueEval arg2, int srcRowIndex, int srcColumnIndex) {
int w1, w2, h1, h2;
int a1FirstCol = 0, a1FirstRow = 0;
if (arg0 instanceof AreaEval) {
AreaEval ae = (AreaEval)arg0;
w1 = ae.getWidth();
h1 = ae.getHeight();
a1FirstCol = ae.getFirstColumn();
a1FirstRow = ae.getFirstRow();
} else if (arg0 instanceof RefEval){
RefEval ref = (RefEval)arg0;
w1 = 1;
h1 = 1;
a1FirstCol = ref.getColumn();
a1FirstRow = ref.getRow();
} else {
w1 = 1;
h1 = 1;
}
int a2FirstCol = 0, a2FirstRow = 0;
if (arg1 instanceof AreaEval) {
AreaEval ae = (AreaEval)arg1;
w2 = ae.getWidth();
h2 = ae.getHeight();
a2FirstCol = ae.getFirstColumn();
a2FirstRow = ae.getFirstRow();
} else if (arg1 instanceof RefEval){
RefEval ref = (RefEval)arg1;
w2 = 1;
h2 = 1;
a2FirstCol = ref.getColumn();
a2FirstRow = ref.getRow();
} else {
w2 = 1;
h2 = 1;
}
int a3FirstCol = 0, a3FirstRow = 0;
if (arg2 instanceof AreaEval) {
AreaEval ae = (AreaEval)arg2;
a3FirstCol = ae.getFirstColumn();
a3FirstRow = ae.getFirstRow();
} else if (arg2 instanceof RefEval){
RefEval ref = (RefEval)arg2;
a3FirstCol = ref.getColumn();
a3FirstRow = ref.getRow();
}
int width = Math.max(w1, w2);
int height = Math.max(h1, h2);
ValueEval[] vals = new ValueEval[height * width];
int idx = 0;
for(int i = 0; i < height; i++){
for(int j = 0; j < width; j++){
ValueEval vA;
try {
vA = OperandResolver.getSingleValue(arg0, a1FirstRow + i, a1FirstCol + j);
} catch (FormulaParseException e) {
vA = ErrorEval.NAME_INVALID;
} catch (EvaluationException e) {
vA = e.getErrorEval();
}
ValueEval vB;
try {
vB = OperandResolver.getSingleValue(arg1, a2FirstRow + i, a2FirstCol + j);
} catch (FormulaParseException e) {
vB = ErrorEval.NAME_INVALID;
} catch (EvaluationException e) {
vB = e.getErrorEval();
}
ValueEval vC;
try {
vC = OperandResolver.getSingleValue(arg2, a3FirstRow + i, a3FirstCol + j);
} catch (FormulaParseException e) {
vC = ErrorEval.NAME_INVALID;
} catch (EvaluationException e) {
vC = e.getErrorEval();
}
if(vA instanceof ErrorEval){
vals[idx++] = vA;
} else if (vB instanceof ErrorEval) {
vals[idx++] = vB;
} else {
Boolean b;
try {
b = OperandResolver.coerceValueToBoolean(vA, false);
vals[idx++] = b != null && b ? vB : vC;
} catch (EvaluationException e) {
return e.getErrorEval();
vals[idx++] = e.getErrorEval();
}
if (b != null && b) {
if (vB == MissingArgEval.instance) {
return BlankEval.instance;
}
return vB;
}
return BoolEval.FALSE;
}
);
}
}
if (vals.length == 1) {
return vals[0];
}
return new CacheAreaEval(srcRowIndex, srcColumnIndex, srcRowIndex + height - 1, srcColumnIndex + width - 1, vals);
}
}

5
src/java/org/apache/poi/ss/formula/functions/LogicalFunction.java
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@ -44,7 +44,10 @@ public abstract class LogicalFunction extends Fixed1ArgFunction implements Array
@Override
public ValueEval evaluateArray(ValueEval[] args, int srcRowIndex, int srcColumnIndex){
return evaluateOneArrayArg(args, srcRowIndex, srcColumnIndex, (valA) ->
if (args.length != 1) {
return ErrorEval.VALUE_INVALID;
}
return evaluateOneArrayArg(args[0], srcRowIndex, srcColumnIndex, (valA) ->
BoolEval.valueOf(evaluate(valA))
);
}

32
src/testcases/org/apache/poi/ss/formula/functions/TestBooleanFunctionsFromSpreadsheet.java Normal file
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@ -0,0 +1,32 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.ss.formula.functions;
import org.junit.runners.Parameterized.Parameters;
import java.util.Collection;
/**
* Tests boolean functions as loaded from a test data spreadsheet.<p>
*/
public class TestBooleanFunctionsFromSpreadsheet extends BaseTestFunctionsFromSpreadsheet {
@Parameters(name="{0}")
public static Collection<Object[]> data() throws Exception {
return data(TestBooleanFunctionsFromSpreadsheet.class, "BooleanFunctionsTestCaseData.xls");
}
}

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test-data/spreadsheet/IfFunctionTestCaseData.xls
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