Push most of the common logic from XSSFEvaluationWorkbook into BaseXSSFEvaluationWorkbook, and start to use it for SXSSF as well #58200

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1693647 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2015-07-31 20:40:41 +00:00
parent 070ac341d2
commit 5b22ad3be6
4 changed files with 451 additions and 323 deletions

View File

@ -0,0 +1,75 @@
/* ====================================================================
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.xssf.streaming;
import org.apache.poi.ss.formula.EvaluationCell;
import org.apache.poi.ss.formula.EvaluationSheet;
/**
* SXSSF wrapper for a cell under evaluation
*/
final class SXSSFEvaluationCell implements EvaluationCell {
private final EvaluationSheet _evalSheet;
private final SXSSFCell _cell;
public SXSSFEvaluationCell(SXSSFCell cell, SXSSFEvaluationSheet evaluationSheet) {
_cell = cell;
_evalSheet = evaluationSheet;
}
public SXSSFEvaluationCell(SXSSFCell cell) {
this(cell, new SXSSFEvaluationSheet(cell.getSheet()));
}
public Object getIdentityKey() {
// save memory by just using the cell itself as the identity key
// Note - this assumes SXSSFCell has not overridden hashCode and equals
return _cell;
}
public SXSSFCell getSXSSFCell() {
return _cell;
}
public boolean getBooleanCellValue() {
return _cell.getBooleanCellValue();
}
public int getCellType() {
return _cell.getCellType();
}
public int getColumnIndex() {
return _cell.getColumnIndex();
}
public int getErrorCellValue() {
return _cell.getErrorCellValue();
}
public double getNumericCellValue() {
return _cell.getNumericCellValue();
}
public int getRowIndex() {
return _cell.getRowIndex();
}
public EvaluationSheet getSheet() {
return _evalSheet;
}
public String getStringCellValue() {
return _cell.getRichStringCellValue().getString();
}
public int getCachedFormulaResultType() {
return _cell.getCachedFormulaResultType();
}
}

View File

@ -17,9 +17,33 @@
package org.apache.poi.xssf.streaming;
import org.apache.poi.ss.formula.EvaluationSheet;
import org.apache.poi.xssf.usermodel.BaseXSSFEvaluationWorkbook;
/**
* SXSSF wrapper around the SXSSF and XSSF workbooks
*/
public final class SXSSFEvaluationWorkbook {
// TODO Refactor XSSFEvaluationWorkbook then extend
public final class SXSSFEvaluationWorkbook extends BaseXSSFEvaluationWorkbook {
private SXSSFWorkbook _uBook;
public static SXSSFEvaluationWorkbook create(SXSSFWorkbook book) {
if (book == null) {
return null;
}
return new SXSSFEvaluationWorkbook(book);
}
private SXSSFEvaluationWorkbook(SXSSFWorkbook book) {
super(book.getXSSFWorkbook());
_uBook = book;
}
public int getSheetIndex(EvaluationSheet evalSheet) {
SXSSFSheet sheet = ((SXSSFEvaluationSheet)evalSheet).getSXSSFSheet();
return _uBook.getSheetIndex(sheet);
}
public EvaluationSheet getSheet(int sheetIndex) {
return new SXSSFEvaluationSheet(_uBook.getSheetAt(sheetIndex));
}
}

View File

@ -0,0 +1,348 @@
/* ====================================================================
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.xssf.usermodel;
import java.util.List;
import org.apache.poi.ss.SpreadsheetVersion;
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.FormulaParser;
import org.apache.poi.ss.formula.FormulaParsingWorkbook;
import org.apache.poi.ss.formula.FormulaRenderingWorkbook;
import org.apache.poi.ss.formula.FormulaType;
import org.apache.poi.ss.formula.SheetIdentifier;
import org.apache.poi.ss.formula.functions.FreeRefFunction;
import org.apache.poi.ss.formula.ptg.Area3DPxg;
import org.apache.poi.ss.formula.ptg.NamePtg;
import org.apache.poi.ss.formula.ptg.NameXPtg;
import org.apache.poi.ss.formula.ptg.NameXPxg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.ptg.Ref3DPxg;
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;
/**
* Internal POI use only
*/
public abstract class BaseXSSFEvaluationWorkbook implements FormulaRenderingWorkbook, EvaluationWorkbook, FormulaParsingWorkbook {
protected final XSSFWorkbook _uBook;
protected BaseXSSFEvaluationWorkbook(XSSFWorkbook book) {
_uBook = book;
}
private int convertFromExternalSheetIndex(int externSheetIndex) {
return externSheetIndex;
}
/**
* XSSF doesn't use external sheet indexes, so when asked treat
* it just as a local index
*/
public int convertFromExternSheetIndex(int externSheetIndex) {
return externSheetIndex;
}
/**
* @return the external sheet index of the sheet with the given internal
* index. Used by some of the more obscure formula and named range things.
* Fairly easy on XSSF (we think...) since the internal and external
* indices are the same
*/
private int convertToExternalSheetIndex(int sheetIndex) {
return sheetIndex;
}
public int getExternalSheetIndex(String sheetName) {
int sheetIndex = _uBook.getSheetIndex(sheetName);
return convertToExternalSheetIndex(sheetIndex);
}
private int resolveBookIndex(String bookName) {
// Strip the [] wrapper, if still present
if (bookName.startsWith("[") && bookName.endsWith("]")) {
bookName = bookName.substring(1, bookName.length()-2);
}
// Is it already in numeric form?
try {
return Integer.parseInt(bookName);
} catch (NumberFormatException e) {}
// Look up an External Link Table for this name
List<ExternalLinksTable> tables = _uBook.getExternalLinksTable();
int index = findExternalLinkIndex(bookName, tables);
if (index != -1) return index;
// Is it an absolute file reference?
if (bookName.startsWith("'file:///") && bookName.endsWith("'")) {
String relBookName = bookName.substring(bookName.lastIndexOf('/')+1);
relBookName = relBookName.substring(0, relBookName.length()-1); // Trailing '
// Try with this name
index = findExternalLinkIndex(relBookName, tables);
if (index != -1) return index;
// If we get here, it's got no associated proper links yet
// So, add the missing reference and return
// Note - this is really rather nasty...
ExternalLinksTable fakeLinkTable = new FakeExternalLinksTable(relBookName);
tables.add(fakeLinkTable);
return tables.size(); // 1 based results, 0 = current workbook
}
// Not properly referenced
throw new RuntimeException("Book not linked for filename " + bookName);
}
private int findExternalLinkIndex(String bookName, List<ExternalLinksTable> tables) {
for (int i=0; i<tables.size(); i++) {
if (tables.get(i).getLinkedFileName().equals(bookName)) {
return i+1; // 1 based results, 0 = current workbook
}
}
return -1;
}
private static class FakeExternalLinksTable extends ExternalLinksTable {
private final String fileName;
private FakeExternalLinksTable(String fileName) {
this.fileName = fileName;
}
public String getLinkedFileName() {
return fileName;
}
}
public EvaluationName getName(String name, int sheetIndex) {
for (int i = 0; i < _uBook.getNumberOfNames(); i++) {
XSSFName nm = _uBook.getNameAt(i);
String nameText = nm.getNameName();
int nameSheetindex = nm.getSheetIndex();
if (name.equalsIgnoreCase(nameText) &&
(nameSheetindex == -1 || nameSheetindex == sheetIndex)) {
return new Name(_uBook.getNameAt(i), i, this);
}
}
return sheetIndex == -1 ? null : getName(name, -1);
}
public String getSheetName(int sheetIndex) {
return _uBook.getSheetName(sheetIndex);
}
public ExternalName getExternalName(int externSheetIndex, int externNameIndex) {
throw new IllegalStateException("HSSF-style external references are not supported for XSSF");
}
public ExternalName getExternalName(String nameName, 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);
for (org.apache.poi.ss.usermodel.Name name : linkTable.getDefinedNames()) {
if (name.getNameName().equals(nameName)) {
// HSSF returns one sheet higher than normal, and various bits
// of the code assume that. So, make us match that behaviour!
int nameSheetIndex = name.getSheetIndex() + 1;
// TODO Return a more specialised form of this, see bug #56752
// Should include the cached values, for in case that book isn't available
// Should support XSSF stuff lookups
return new ExternalName(nameName, -1, nameSheetIndex);
}
}
throw new IllegalArgumentException("Name '"+nameName+"' not found in " +
"reference to " + linkTable.getLinkedFileName());
} else {
// Internal reference
int nameIdx = _uBook.getNameIndex(nameName);
return new ExternalName(nameName, nameIdx, 0); // TODO Is this right?
}
}
public NameXPxg getNameXPtg(String name, SheetIdentifier sheet) {
// First, try to find it as a User Defined Function
IndexedUDFFinder udfFinder = (IndexedUDFFinder)getUDFFinder();
FreeRefFunction func = udfFinder.findFunction(name);
if (func != null) {
return new NameXPxg(null, name);
}
// Otherwise, try it as a named range
if (sheet == null) {
if (_uBook.getNameIndex(name) > -1) {
return new NameXPxg(null, name);
}
return null;
}
if (sheet._sheetIdentifier == null) {
// Workbook + Named Range only
int bookIndex = resolveBookIndex(sheet._bookName);
return new NameXPxg(bookIndex, null, name);
}
// Use the sheetname and process
String sheetName = sheet._sheetIdentifier.getName();
if (sheet._bookName != null) {
int bookIndex = resolveBookIndex(sheet._bookName);
return new NameXPxg(bookIndex, sheetName, name);
} else {
return new NameXPxg(sheetName, name);
}
}
public Ptg get3DReferencePtg(CellReference cell, SheetIdentifier sheet) {
if (sheet._bookName != null) {
int bookIndex = resolveBookIndex(sheet._bookName);
return new Ref3DPxg(bookIndex, sheet, cell);
} else {
return new Ref3DPxg(sheet, cell);
}
}
public Ptg get3DReferencePtg(AreaReference area, SheetIdentifier sheet) {
if (sheet._bookName != null) {
int bookIndex = resolveBookIndex(sheet._bookName);
return new Area3DPxg(bookIndex, sheet, area);
} else {
return new Area3DPxg(sheet, area);
}
}
public String resolveNameXText(NameXPtg n) {
int idx = n.getNameIndex();
String name = null;
// First, try to find it as a User Defined Function
IndexedUDFFinder udfFinder = (IndexedUDFFinder)getUDFFinder();
name = udfFinder.getFunctionName(idx);
if (name != null) return name;
// Otherwise, try it as a named range
XSSFName xname = _uBook.getNameAt(idx);
if (xname != null) {
name = xname.getNameName();
}
return name;
}
public ExternalSheet getExternalSheet(int externSheetIndex) {
throw new IllegalStateException("HSSF-style external references are not supported for XSSF");
}
public ExternalSheet getExternalSheet(String firstSheetName, String lastSheetName, int externalWorkbookNumber) {
String workbookName;
if (externalWorkbookNumber > 0) {
// External reference - reference is 1 based, link table is 0 based
int linkNumber = externalWorkbookNumber - 1;
ExternalLinksTable linkTable = _uBook.getExternalLinksTable().get(linkNumber);
workbookName = linkTable.getLinkedFileName();
} else {
// Internal reference
workbookName = null;
}
if (lastSheetName == null || firstSheetName.equals(lastSheetName)) {
return new ExternalSheet(workbookName, firstSheetName);
} else {
return new ExternalSheetRange(workbookName, firstSheetName, lastSheetName);
}
}
public int getExternalSheetIndex(String workbookName, String sheetName) {
throw new RuntimeException("not implemented yet");
}
public int getSheetIndex(String sheetName) {
return _uBook.getSheetIndex(sheetName);
}
public String getSheetFirstNameByExternSheet(int externSheetIndex) {
int sheetIndex = convertFromExternalSheetIndex(externSheetIndex);
return _uBook.getSheetName(sheetIndex);
}
public String getSheetLastNameByExternSheet(int externSheetIndex) {
// XSSF does multi-sheet references differently, so this is the same as the first
return getSheetFirstNameByExternSheet(externSheetIndex);
}
public String getNameText(NamePtg namePtg) {
return _uBook.getNameAt(namePtg.getIndex()).getNameName();
}
public EvaluationName getName(NamePtg namePtg) {
int ix = namePtg.getIndex();
return new Name(_uBook.getNameAt(ix), ix, this);
}
public Ptg[] getFormulaTokens(EvaluationCell evalCell) {
XSSFCell cell = ((XSSFEvaluationCell)evalCell).getXSSFCell();
XSSFEvaluationWorkbook frBook = XSSFEvaluationWorkbook.create(_uBook);
return FormulaParser.parse(cell.getCellFormula(), frBook, FormulaType.CELL, _uBook.getSheetIndex(cell.getSheet()));
}
public UDFFinder getUDFFinder(){
return _uBook.getUDFFinder();
}
private static final class Name implements EvaluationName {
private final XSSFName _nameRecord;
private final int _index;
private final FormulaParsingWorkbook _fpBook;
public Name(XSSFName name, int index, FormulaParsingWorkbook fpBook) {
_nameRecord = name;
_index = index;
_fpBook = fpBook;
}
public Ptg[] getNameDefinition() {
return FormulaParser.parse(_nameRecord.getRefersToFormula(), _fpBook, FormulaType.NAMEDRANGE, _nameRecord.getSheetIndex());
}
public String getNameText() {
return _nameRecord.getNameName();
}
public boolean hasFormula() {
// TODO - no idea if this is right
CTDefinedName ctn = _nameRecord.getCTName();
String strVal = ctn.getStringValue();
return !ctn.getFunction() && strVal != null && strVal.length() > 0;
}
public boolean isFunctionName() {
return _nameRecord.isFunctionName();
}
public boolean isRange() {
return hasFormula(); // TODO - is this right?
}
public NamePtg createPtg() {
return new NamePtg(_index);
}
}
public SpreadsheetVersion getSpreadsheetVersion(){
return SpreadsheetVersion.EXCEL2007;
}
}

View File

@ -17,38 +17,12 @@
package org.apache.poi.xssf.usermodel;
import java.util.List;
import org.apache.poi.ss.SpreadsheetVersion;
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.FormulaParser;
import org.apache.poi.ss.formula.FormulaParsingWorkbook;
import org.apache.poi.ss.formula.FormulaRenderingWorkbook;
import org.apache.poi.ss.formula.FormulaType;
import org.apache.poi.ss.formula.SheetIdentifier;
import org.apache.poi.ss.formula.functions.FreeRefFunction;
import org.apache.poi.ss.formula.ptg.Area3DPxg;
import org.apache.poi.ss.formula.ptg.NamePtg;
import org.apache.poi.ss.formula.ptg.NameXPtg;
import org.apache.poi.ss.formula.ptg.NameXPxg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.ptg.Ref3DPxg;
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;
/**
* Internal POI use only
*/
public final class XSSFEvaluationWorkbook implements FormulaRenderingWorkbook, EvaluationWorkbook, FormulaParsingWorkbook {
private final XSSFWorkbook _uBook;
public final class XSSFEvaluationWorkbook extends BaseXSSFEvaluationWorkbook {
public static XSSFEvaluationWorkbook create(XSSFWorkbook book) {
if (book == null) {
return null;
@ -57,99 +31,7 @@ public final class XSSFEvaluationWorkbook implements FormulaRenderingWorkbook, E
}
private XSSFEvaluationWorkbook(XSSFWorkbook book) {
_uBook = book;
}
private int convertFromExternalSheetIndex(int externSheetIndex) {
return externSheetIndex;
}
/**
* XSSF doesn't use external sheet indexes, so when asked treat
* it just as a local index
*/
public int convertFromExternSheetIndex(int externSheetIndex) {
return externSheetIndex;
}
/**
* @return the external sheet index of the sheet with the given internal
* index. Used by some of the more obscure formula and named range things.
* Fairly easy on XSSF (we think...) since the internal and external
* indices are the same
*/
private int convertToExternalSheetIndex(int sheetIndex) {
return sheetIndex;
}
public int getExternalSheetIndex(String sheetName) {
int sheetIndex = _uBook.getSheetIndex(sheetName);
return convertToExternalSheetIndex(sheetIndex);
}
private int resolveBookIndex(String bookName) {
// Strip the [] wrapper, if still present
if (bookName.startsWith("[") && bookName.endsWith("]")) {
bookName = bookName.substring(1, bookName.length()-2);
}
// Is it already in numeric form?
try {
return Integer.parseInt(bookName);
} catch (NumberFormatException e) {}
// Look up an External Link Table for this name
List<ExternalLinksTable> tables = _uBook.getExternalLinksTable();
int index = findExternalLinkIndex(bookName, tables);
if (index != -1) return index;
// Is it an absolute file reference?
if (bookName.startsWith("'file:///") && bookName.endsWith("'")) {
String relBookName = bookName.substring(bookName.lastIndexOf('/')+1);
relBookName = relBookName.substring(0, relBookName.length()-1); // Trailing '
// Try with this name
index = findExternalLinkIndex(relBookName, tables);
if (index != -1) return index;
// If we get here, it's got no associated proper links yet
// So, add the missing reference and return
// Note - this is really rather nasty...
ExternalLinksTable fakeLinkTable = new FakeExternalLinksTable(relBookName);
tables.add(fakeLinkTable);
return tables.size(); // 1 based results, 0 = current workbook
}
// Not properly referenced
throw new RuntimeException("Book not linked for filename " + bookName);
}
private int findExternalLinkIndex(String bookName, List<ExternalLinksTable> tables) {
for (int i=0; i<tables.size(); i++) {
if (tables.get(i).getLinkedFileName().equals(bookName)) {
return i+1; // 1 based results, 0 = current workbook
}
}
return -1;
}
private static class FakeExternalLinksTable extends ExternalLinksTable {
private final String fileName;
private FakeExternalLinksTable(String fileName) {
this.fileName = fileName;
}
public String getLinkedFileName() {
return fileName;
}
}
public EvaluationName getName(String name, int sheetIndex) {
for (int i = 0; i < _uBook.getNumberOfNames(); i++) {
XSSFName nm = _uBook.getNameAt(i);
String nameText = nm.getNameName();
int nameSheetindex = nm.getSheetIndex();
if (name.equalsIgnoreCase(nameText) &&
(nameSheetindex == -1 || nameSheetindex == sheetIndex)) {
return new Name(_uBook.getNameAt(i), i, this);
}
}
return sheetIndex == -1 ? null : getName(name, -1);
super(book);
}
public int getSheetIndex(EvaluationSheet evalSheet) {
@ -157,208 +39,7 @@ public final class XSSFEvaluationWorkbook implements FormulaRenderingWorkbook, E
return _uBook.getSheetIndex(sheet);
}
public String getSheetName(int sheetIndex) {
return _uBook.getSheetName(sheetIndex);
}
public ExternalName getExternalName(int externSheetIndex, int externNameIndex) {
throw new IllegalStateException("HSSF-style external references are not supported for XSSF");
}
public ExternalName getExternalName(String nameName, 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);
for (org.apache.poi.ss.usermodel.Name name : linkTable.getDefinedNames()) {
if (name.getNameName().equals(nameName)) {
// HSSF returns one sheet higher than normal, and various bits
// of the code assume that. So, make us match that behaviour!
int nameSheetIndex = name.getSheetIndex() + 1;
// TODO Return a more specialised form of this, see bug #56752
// Should include the cached values, for in case that book isn't available
// Should support XSSF stuff lookups
return new ExternalName(nameName, -1, nameSheetIndex);
}
}
throw new IllegalArgumentException("Name '"+nameName+"' not found in " +
"reference to " + linkTable.getLinkedFileName());
} else {
// Internal reference
int nameIdx = _uBook.getNameIndex(nameName);
return new ExternalName(nameName, nameIdx, 0); // TODO Is this right?
}
}
public NameXPxg getNameXPtg(String name, SheetIdentifier sheet) {
// First, try to find it as a User Defined Function
IndexedUDFFinder udfFinder = (IndexedUDFFinder)getUDFFinder();
FreeRefFunction func = udfFinder.findFunction(name);
if (func != null) {
return new NameXPxg(null, name);
}
// Otherwise, try it as a named range
if (sheet == null) {
if (_uBook.getNameIndex(name) > -1) {
return new NameXPxg(null, name);
}
return null;
}
if (sheet._sheetIdentifier == null) {
// Workbook + Named Range only
int bookIndex = resolveBookIndex(sheet._bookName);
return new NameXPxg(bookIndex, null, name);
}
// Use the sheetname and process
String sheetName = sheet._sheetIdentifier.getName();
if (sheet._bookName != null) {
int bookIndex = resolveBookIndex(sheet._bookName);
return new NameXPxg(bookIndex, sheetName, name);
} else {
return new NameXPxg(sheetName, name);
}
}
public Ptg get3DReferencePtg(CellReference cell, SheetIdentifier sheet) {
if (sheet._bookName != null) {
int bookIndex = resolveBookIndex(sheet._bookName);
return new Ref3DPxg(bookIndex, sheet, cell);
} else {
return new Ref3DPxg(sheet, cell);
}
}
public Ptg get3DReferencePtg(AreaReference area, SheetIdentifier sheet) {
if (sheet._bookName != null) {
int bookIndex = resolveBookIndex(sheet._bookName);
return new Area3DPxg(bookIndex, sheet, area);
} else {
return new Area3DPxg(sheet, area);
}
}
public String resolveNameXText(NameXPtg n) {
int idx = n.getNameIndex();
String name = null;
// First, try to find it as a User Defined Function
IndexedUDFFinder udfFinder = (IndexedUDFFinder)getUDFFinder();
name = udfFinder.getFunctionName(idx);
if (name != null) return name;
// Otherwise, try it as a named range
XSSFName xname = _uBook.getNameAt(idx);
if (xname != null) {
name = xname.getNameName();
}
return name;
}
public EvaluationSheet getSheet(int sheetIndex) {
return new XSSFEvaluationSheet(_uBook.getSheetAt(sheetIndex));
}
public ExternalSheet getExternalSheet(int externSheetIndex) {
throw new IllegalStateException("HSSF-style external references are not supported for XSSF");
}
public ExternalSheet getExternalSheet(String firstSheetName, String lastSheetName, int externalWorkbookNumber) {
String workbookName;
if (externalWorkbookNumber > 0) {
// External reference - reference is 1 based, link table is 0 based
int linkNumber = externalWorkbookNumber - 1;
ExternalLinksTable linkTable = _uBook.getExternalLinksTable().get(linkNumber);
workbookName = linkTable.getLinkedFileName();
} else {
// Internal reference
workbookName = null;
}
if (lastSheetName == null || firstSheetName.equals(lastSheetName)) {
return new ExternalSheet(workbookName, firstSheetName);
} else {
return new ExternalSheetRange(workbookName, firstSheetName, lastSheetName);
}
}
public int getExternalSheetIndex(String workbookName, String sheetName) {
throw new RuntimeException("not implemented yet");
}
public int getSheetIndex(String sheetName) {
return _uBook.getSheetIndex(sheetName);
}
public String getSheetFirstNameByExternSheet(int externSheetIndex) {
int sheetIndex = convertFromExternalSheetIndex(externSheetIndex);
return _uBook.getSheetName(sheetIndex);
}
public String getSheetLastNameByExternSheet(int externSheetIndex) {
// XSSF does multi-sheet references differently, so this is the same as the first
return getSheetFirstNameByExternSheet(externSheetIndex);
}
public String getNameText(NamePtg namePtg) {
return _uBook.getNameAt(namePtg.getIndex()).getNameName();
}
public EvaluationName getName(NamePtg namePtg) {
int ix = namePtg.getIndex();
return new Name(_uBook.getNameAt(ix), ix, this);
}
public Ptg[] getFormulaTokens(EvaluationCell evalCell) {
XSSFCell cell = ((XSSFEvaluationCell)evalCell).getXSSFCell();
XSSFEvaluationWorkbook frBook = XSSFEvaluationWorkbook.create(_uBook);
return FormulaParser.parse(cell.getCellFormula(), frBook, FormulaType.CELL, _uBook.getSheetIndex(cell.getSheet()));
}
public UDFFinder getUDFFinder(){
return _uBook.getUDFFinder();
}
private static final class Name implements EvaluationName {
private final XSSFName _nameRecord;
private final int _index;
private final FormulaParsingWorkbook _fpBook;
public Name(XSSFName name, int index, FormulaParsingWorkbook fpBook) {
_nameRecord = name;
_index = index;
_fpBook = fpBook;
}
public Ptg[] getNameDefinition() {
return FormulaParser.parse(_nameRecord.getRefersToFormula(), _fpBook, FormulaType.NAMEDRANGE, _nameRecord.getSheetIndex());
}
public String getNameText() {
return _nameRecord.getNameName();
}
public boolean hasFormula() {
// TODO - no idea if this is right
CTDefinedName ctn = _nameRecord.getCTName();
String strVal = ctn.getStringValue();
return !ctn.getFunction() && strVal != null && strVal.length() > 0;
}
public boolean isFunctionName() {
return _nameRecord.isFunctionName();
}
public boolean isRange() {
return hasFormula(); // TODO - is this right?
}
public NamePtg createPtg() {
return new NamePtg(_index);
}
}
public SpreadsheetVersion getSpreadsheetVersion(){
return SpreadsheetVersion.EXCEL2007;
}
}