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Start to update how the formula parser looks up sheets from formula ptgs, to account for the differences in how HSSF and XSSF store references to external sheets. For #56737 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1611948 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2014-07-19 19:19:06 +00:00
parent 76c8077a40
commit 83d9405d43
7 changed files with 91 additions and 29 deletions
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24
src/java/org/apache/poi/hssf/usermodel/HSSFEvaluationWorkbook.java
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@ -120,7 +120,26 @@ public final class HSSFEvaluationWorkbook implements FormulaRenderingWorkbook, E
}
public ExternalSheet getExternalSheet(int externSheetIndex) {
return _iBook.getExternalSheet(externSheetIndex);
ExternalSheet sheet = _iBook.getExternalSheet(externSheetIndex);
if (sheet == null) {
// Try to treat it as a local sheet
int localSheetIndex = convertFromExternSheetIndex(externSheetIndex);
if (localSheetIndex == -1) {
// The sheet referenced can't be found, sorry
return null;
}
if (localSheetIndex == -2) {
// Not actually sheet based at all - is workbook scoped
return null;
}
// Look up the local sheet
String sheetName = getSheetName(localSheetIndex);
sheet = new ExternalSheet(null, sheetName);
}
return sheet;
}
public ExternalSheet getExternalSheet(String sheetName, int externalWorkbookNumber) {
throw new IllegalStateException("XSSF-style external references are not supported for HSSF");
}
public ExternalName getExternalName(int externSheetIndex, int externNameIndex) {
@ -141,6 +160,8 @@ public final class HSSFEvaluationWorkbook implements FormulaRenderingWorkbook, E
int ix = namePtg.getIndex();
return new Name(_iBook.getNameRecord(ix), ix);
}
@SuppressWarnings("unused")
public Ptg[] getFormulaTokens(EvaluationCell evalCell) {
HSSFCell cell = ((HSSFEvaluationCell)evalCell).getHSSFCell();
if (false) {
@ -159,6 +180,7 @@ public final class HSSFEvaluationWorkbook implements FormulaRenderingWorkbook, E
FormulaRecordAggregate fra = (FormulaRecordAggregate) cell.getCellValueRecord();
return fra.getFormulaTokens();
}
public UDFFinder getUDFFinder(){
return _uBook.getUDFFinder();
}

13
src/java/org/apache/poi/ss/formula/EvaluationWorkbook.java
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@ -44,10 +44,21 @@ public interface EvaluationWorkbook {
EvaluationSheet getSheet(int sheetIndex);
/**
* @return <code>null</code> if externSheetIndex refers to a sheet inside the current workbook
* HSSF Only - fetch the external-style sheet details
* <p>Return will have no workbook set if it's actually in our own workbook</p>
*/
ExternalSheet getExternalSheet(int externSheetIndex);
/**
* XSSF Only - fetch the external-style sheet details
* <p>Return will have no workbook set if it's actually in our own workbook</p>
*/
ExternalSheet getExternalSheet(String sheetName, int externalWorkbookNumber);
/**
* HSSF Only - convert an external sheet index to an internal sheet index,
* for an external-style reference to one of this workbook's own sheets
*/
int convertFromExternSheetIndex(int externSheetIndex);
ExternalName getExternalName(int externSheetIndex, int externNameIndex);
EvaluationName getName(NamePtg namePtg);
EvaluationName getName(String name, int sheetIndex);

38
src/java/org/apache/poi/ss/formula/OperationEvaluationContext.java
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@ -17,16 +17,21 @@
package org.apache.poi.ss.formula;
import org.apache.poi.ss.formula.ptg.Area3DPtg;
import org.apache.poi.ss.formula.ptg.NameXPtg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.ptg.Ref3DPtg;
import org.apache.poi.ss.formula.eval.*;
import org.apache.poi.ss.formula.functions.FreeRefFunction;
import org.apache.poi.ss.SpreadsheetVersion;
import org.apache.poi.ss.formula.CollaboratingWorkbooksEnvironment.WorkbookNotFoundException;
import org.apache.poi.ss.formula.EvaluationWorkbook.ExternalName;
import org.apache.poi.ss.formula.EvaluationWorkbook.ExternalSheet;
import org.apache.poi.ss.formula.eval.AreaEval;
import org.apache.poi.ss.formula.eval.ErrorEval;
import org.apache.poi.ss.formula.eval.NameXEval;
import org.apache.poi.ss.formula.eval.RefEval;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.formula.functions.FreeRefFunction;
import org.apache.poi.ss.formula.ptg.Area3DPtg;
import org.apache.poi.ss.formula.ptg.NameXPtg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.ptg.Ref3DPtg;
import org.apache.poi.ss.formula.ptg.Ref3DPxg;
import org.apache.poi.ss.util.CellReference;
import org.apache.poi.ss.util.CellReference.NameType;
@ -70,13 +75,20 @@ public final class OperationEvaluationContext {
SheetRefEvaluator createExternSheetRefEvaluator(ExternSheetReferenceToken ptg) {
return createExternSheetRefEvaluator(ptg.getExternSheetIndex());
}
SheetRefEvaluator createExternSheetRefEvaluator(String sheetName, int externalWorkbookNumber) {
ExternalSheet externalSheet = _workbook.getExternalSheet(sheetName, externalWorkbookNumber);
return createExternSheetRefEvaluator(externalSheet);
}
SheetRefEvaluator createExternSheetRefEvaluator(int externSheetIndex) {
ExternalSheet externalSheet = _workbook.getExternalSheet(externSheetIndex);
return createExternSheetRefEvaluator(externalSheet);
}
SheetRefEvaluator createExternSheetRefEvaluator(ExternalSheet externalSheet) {
WorkbookEvaluator targetEvaluator;
int otherSheetIndex;
if (externalSheet == null) {
if (externalSheet == null || externalSheet.getWorkbookName() == null) {
// sheet is in same workbook
otherSheetIndex = _workbook.convertFromExternSheetIndex(externSheetIndex);
otherSheetIndex = _workbook.getSheetIndex(externalSheet.getSheetName());
targetEvaluator = _bookEvaluator;
} else {
// look up sheet by name from external workbook
@ -259,9 +271,13 @@ public final class OperationEvaluationContext {
SheetRefEvaluator sre = getRefEvaluatorForCurrentSheet();
return new LazyRefEval(rowIndex, columnIndex, sre);
}
public ValueEval getRef3DEval(int rowIndex, int columnIndex, int extSheetIndex) {
SheetRefEvaluator sre = createExternSheetRefEvaluator(extSheetIndex);
return new LazyRefEval(rowIndex, columnIndex, sre);
public ValueEval getRef3DEval(Ref3DPtg rptg) {
SheetRefEvaluator sre = createExternSheetRefEvaluator(rptg.getExternSheetIndex());
return new LazyRefEval(rptg.getRow(), rptg.getColumn(), sre);
}
public ValueEval getRef3DEval(Ref3DPxg rptg) {
SheetRefEvaluator sre = createExternSheetRefEvaluator(rptg.getSheetName(), rptg.getExternalWorkbookNumber());
return new LazyRefEval(rptg.getRow(), rptg.getColumn(), sre);
}
public ValueEval getAreaEval(int firstRowIndex, int firstColumnIndex,
int lastRowIndex, int lastColumnIndex) {

1
src/java/org/apache/poi/ss/formula/SheetRefEvaluator.java
View File

@ -28,7 +28,6 @@ import org.apache.poi.ss.usermodel.Cell;
* @author Josh Micich
*/
final class SheetRefEvaluator {
private final WorkbookEvaluator _bookEvaluator;
private final EvaluationTracker _tracker;
private final int _sheetIndex;

6
src/java/org/apache/poi/ss/formula/WorkbookEvaluator.java
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@ -673,12 +673,10 @@ public final class WorkbookEvaluator {
return ErrorEval.REF_INVALID;
}
if (ptg instanceof Ref3DPtg) {
Ref3DPtg rptg = (Ref3DPtg) ptg;
return ec.getRef3DEval(rptg.getRow(), rptg.getColumn(), rptg.getExternSheetIndex());
return ec.getRef3DEval((Ref3DPtg)ptg);
}
if (ptg instanceof Ref3DPxg) {
Ref3DPtg rptg = (Ref3DPtg) ptg;
// TODO Return the right eval, should be easy as we already know the sheet details
return ec.getRef3DEval((Ref3DPxg)ptg);
}
if (ptg instanceof Area3DPtg) {
Area3DPtg aptg = (Area3DPtg) ptg;

9
src/java/org/apache/poi/ss/formula/eval/forked/ForkedEvaluationWorkbook.java
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@ -20,13 +20,13 @@ package org.apache.poi.ss.formula.eval.forked;
import java.util.HashMap;
import java.util.Map;
import org.apache.poi.ss.formula.ptg.NamePtg;
import org.apache.poi.ss.formula.ptg.NameXPtg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.EvaluationCell;
import org.apache.poi.ss.formula.EvaluationName;
import org.apache.poi.ss.formula.EvaluationSheet;
import org.apache.poi.ss.formula.EvaluationWorkbook;
import org.apache.poi.ss.formula.ptg.NamePtg;
import org.apache.poi.ss.formula.ptg.NameXPtg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.udf.UDFFinder;
import org.apache.poi.ss.usermodel.Workbook;
@ -90,6 +90,9 @@ final class ForkedEvaluationWorkbook implements EvaluationWorkbook {
public ExternalSheet getExternalSheet(int externSheetIndex) {
return _masterBook.getExternalSheet(externSheetIndex);
}
public ExternalSheet getExternalSheet(String sheetName, int externalWorkbookNumber) {
return _masterBook.getExternalSheet(sheetName, externalWorkbookNumber);
}
public Ptg[] getFormulaTokens(EvaluationCell cell) {
if (cell instanceof ForkedEvaluationCell) {

19
src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFEvaluationWorkbook.java
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@ -37,6 +37,7 @@ import org.apache.poi.ss.formula.udf.IndexedUDFFinder;
import org.apache.poi.ss.formula.udf.UDFFinder;
import org.apache.poi.ss.util.AreaReference;
import org.apache.poi.ss.util.CellReference;
import org.apache.poi.xssf.model.ExternalLinksTable;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTDefinedName;
/**
@ -63,7 +64,8 @@ public final class XSSFEvaluationWorkbook implements FormulaRenderingWorkbook, E
return externSheetIndex;
}
/**
* @return the sheet index of the sheet with the given external index.
* XSSF doesn't use external sheet indexes, so when asked treat
* it just as a local index
*/
public int convertFromExternSheetIndex(int externSheetIndex) {
return externSheetIndex;
@ -175,9 +177,20 @@ public final class XSSFEvaluationWorkbook implements FormulaRenderingWorkbook, E
}
public ExternalSheet getExternalSheet(int externSheetIndex) {
// TODO Auto-generated method stub
return null;
throw new IllegalStateException("HSSF-style external references are not supported for XSSF");
}
public ExternalSheet getExternalSheet(String sheetName, int externalWorkbookNumber) {
if (externalWorkbookNumber > 0) {
// External reference - reference is 1 based, link table is 0 based
int linkNumber = externalWorkbookNumber - 1;
ExternalLinksTable linkTable = _uBook.getExternalLinksTable().get(linkNumber);
return new ExternalSheet(linkTable.getLinkedFileName(), sheetName);
} else {
// Internal reference
return new ExternalSheet(null, sheetName);
}
}
public int getExternalSheetIndex(String workbookName, String sheetName) {
throw new RuntimeException("not implemented yet");
}