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package org.apache.poi.hssf.usermodel;
import org.apache.poi.hssf.model.HSSFFormulaParser;
import org.apache.poi.hssf.model.InternalWorkbook;
import org.apache.poi.hssf.record.NameRecord;
import org.apache.poi.hssf.record.aggregates.FormulaRecordAggregate;
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.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.FormulaParseException;
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.udf.UDFFinder;
/**
* Internal POI use only
*
* @author Josh Micich
*/
public final class HSSFEvaluationWorkbook implements FormulaRenderingWorkbook, EvaluationWorkbook, FormulaParsingWorkbook {
private final HSSFWorkbook _uBook;
private final InternalWorkbook _iBook;
public static HSSFEvaluationWorkbook create(HSSFWorkbook book) {
if (book == null) {
return null;
}
return new HSSFEvaluationWorkbook(book);
}
private HSSFEvaluationWorkbook(HSSFWorkbook book) {
_uBook = book;
_iBook = book.getWorkbook();
}
public int getExternalSheetIndex(String sheetName) {
int sheetIndex = _uBook.getSheetIndex(sheetName);
return _iBook.checkExternSheet(sheetIndex);
}
public int getExternalSheetIndex(String workbookName, String sheetName) {
return _iBook.getExternalSheetIndex(workbookName, sheetName);
}
public NameXPtg getNameXPtg(String name) {
return _iBook.getNameXPtg(name, _uBook.getUDFFinder());
}
/**
* Lookup a named range by its name.
*
* @param name the name to search
* @param sheetIndex the 0-based index of the sheet this formula belongs to.
* The sheet index is required to resolve sheet-level names. -1 means workbook-global names
*/
public EvaluationName getName(String name, int sheetIndex) {
for(int i=0; i < _iBook.getNumNames(); i++) {
NameRecord nr = _iBook.getNameRecord(i);
if (nr.getSheetNumber() == sheetIndex+1 && name.equalsIgnoreCase(nr.getNameText())) {
return new Name(nr, i);
}
}
return sheetIndex == -1 ? null : getName(name, -1);
}
public int getSheetIndex(EvaluationSheet evalSheet) {
HSSFSheet sheet = ((HSSFEvaluationSheet)evalSheet).getHSSFSheet();
return _uBook.getSheetIndex(sheet);
}
public int getSheetIndex(String sheetName) {
return _uBook.getSheetIndex(sheetName);
}
public String getSheetName(int sheetIndex) {
return _uBook.getSheetName(sheetIndex);
}
public EvaluationSheet getSheet(int sheetIndex) {
return new HSSFEvaluationSheet(_uBook.getSheetAt(sheetIndex));
}
public int convertFromExternSheetIndex(int externSheetIndex) {
return _iBook.getSheetIndexFromExternSheetIndex(externSheetIndex);
}
public ExternalSheet getExternalSheet(int externSheetIndex) {
return _iBook.getExternalSheet(externSheetIndex);
}
public ExternalName getExternalName(int externSheetIndex, int externNameIndex) {
return _iBook.getExternalName(externSheetIndex, externNameIndex);
}
public String resolveNameXText(NameXPtg n) {
return _iBook.resolveNameXText(n.getSheetRefIndex(), n.getNameIndex());
}
public String getSheetNameByExternSheet(int externSheetIndex) {
return _iBook.findSheetNameFromExternSheet(externSheetIndex);
}
public String getNameText(NamePtg namePtg) {
return _iBook.getNameRecord(namePtg.getIndex()).getNameText();
}
public EvaluationName getName(NamePtg namePtg) {
int ix = namePtg.getIndex();
return new Name(_iBook.getNameRecord(ix), ix);
}
public Ptg[] getFormulaTokens(EvaluationCell evalCell) {
HSSFCell cell = ((HSSFEvaluationCell)evalCell).getHSSFCell();
if (false) {
// re-parsing the formula text also works, but is a waste of time
// It is useful from time to time to run all unit tests with this code
// to make sure that all formulas POI can evaluate can also be parsed.
try {
return HSSFFormulaParser.parse(cell.getCellFormula(), _uBook, FormulaType.CELL, _uBook.getSheetIndex(cell.getSheet()));
} catch (FormulaParseException e) {
// Note - as of Bugzilla 48036 (svn r828244, r828247) POI is capable of evaluating
// IntesectionPtg. However it is still not capable of parsing it.
// So FormulaEvalTestData.xls now contains a few formulas that produce errors here.
System.err.println(e.getMessage());
}
}
FormulaRecordAggregate fra = (FormulaRecordAggregate) cell.getCellValueRecord();
return fra.getFormulaTokens();
}
public UDFFinder getUDFFinder(){
return _uBook.getUDFFinder();
}
private static final class Name implements EvaluationName {
private final NameRecord _nameRecord;
private final int _index;
public Name(NameRecord nameRecord, int index) {
_nameRecord = nameRecord;
_index = index;
}
public Ptg[] getNameDefinition() {
return _nameRecord.getNameDefinition();
}
public String getNameText() {
return _nameRecord.getNameText();
}
public boolean hasFormula() {
return _nameRecord.hasFormula();
}
public boolean isFunctionName() {
return _nameRecord.isFunctionName();
}
public boolean isRange() {
return _nameRecord.hasFormula(); // TODO - is this right?
}
public NamePtg createPtg() {
return new NamePtg(_index);
}
}
public SpreadsheetVersion getSpreadsheetVersion(){
return SpreadsheetVersion.EXCEL97;
}
}