/** * Constructs this object from the raw data. We need to use the excelFile * to retrieve the string record which follows this formula record * * @param t the raw data * @param excelFile the excel file * @param fr the formatting records * @param es the external sheet records * @param nt the workbook * @param si the sheet impl * @param ws the workbook settings */ public StringFormulaRecord(Record t, File excelFile, FormattingRecords fr, ExternalSheet es, WorkbookMethods nt, SheetImpl si, WorkbookSettings ws) : base(t, fr, si) { externalSheet = es; nameTable = nt; data = getRecord().getData(); int pos = excelFile.getPos(); // Look for the string record in one of the records after the // formula. Put a cap on it to prevent looping Record nextRecord = excelFile.next(); int count = 0; while (nextRecord.getType() != Type.STRING && count < 4) { nextRecord = excelFile.next(); count++; } Assert.verify(count < 4, " @ " + pos); byte[] stringData = nextRecord.getData(); // Read in any continuation records nextRecord = excelFile.peek(); while (nextRecord.getType() == Type.CONTINUE) { nextRecord = excelFile.next(); // move the pointer within the data byte[] d = new byte[stringData.Length + nextRecord.getLength() - 1]; System.Array.Copy(stringData, 0, d, 0, stringData.Length); System.Array.Copy(nextRecord.getData(), 1, d, stringData.Length, nextRecord.getLength() - 1); stringData = d; nextRecord = excelFile.peek(); } readString(stringData, ws); }
/** * Constructor * * @param f the excel file * @param sst the shared string table * @param fr formatting records * @param sb the bof record which indicates the start of the sheet * @param wb the bof record which indicates the start of the sheet * @param nf the 1904 flag * @param wp the workbook which this sheet belongs to * @exception BiffException */ public SheetImpl(File f, SSTRecord sst, FormattingRecords fr, BOFRecord sb, BOFRecord wb, bool nf, WorkbookParser wp) { excelFile = f; sharedStrings = sst; formattingRecords = fr; sheetBof = sb; workbookBof = wb; columnInfosArray = new ArrayList(); sharedFormulas = new ArrayList(); hyperlinks = new ArrayList(); rowProperties = new ArrayList(10); columnInfosInitialized = false; rowRecordsInitialized = false; nineteenFour = nf; workbook = wp; workbookSettings = workbook.getSettings(); // Mark the position in the stream, and then skip on until the end startPosition = f.getPos(); if (sheetBof.isChart()) { // Set the start pos to include the bof so the sheet reader can handle it startPosition -= (sheetBof.getLength() + 4); } Record r = null; int bofs = 1; while (bofs >= 1) { r = f.next(); // use this form for quick performance if (r.getCode() == Type.EOF.value) { bofs--; } if (r.getCode() == Type.BOF.value) { bofs++; } } }
/** * Does the hard work of building up the object graph from the excel bytes * * @exception BiffException * @exception PasswordException if the workbook is password protected */ protected override void parse() { Record r = null; BOFRecord bof = new BOFRecord(excelFile.next()); workbookBof = bof; bofs++; if (!bof.isBiff8() && !bof.isBiff7()) { throw new BiffException(BiffException.unrecognizedBiffVersion); } if (!bof.isWorkbookGlobals()) { throw new BiffException(BiffException.expectedGlobals); } ArrayList continueRecords = new ArrayList(); ArrayList localNames = new ArrayList(); nameTable = new ArrayList(); addInFunctions = new ArrayList(); // Skip to the first worksheet while (bofs == 1) { r = excelFile.next(); if (r.getType() == Type.SST) { continueRecords.Clear(); Record nextrec = excelFile.peek(); while (nextrec.getType() == Type.CONTINUE) { continueRecords.Add(excelFile.next()); nextrec = excelFile.peek(); } // cast the array Record[] records = new Record[continueRecords.Count]; int pos = 0; foreach (Record record in continueRecords) { records[pos++] = record; } sharedStrings = new SSTRecord(r, records, settings); } else if (r.getType() == Type.FILEPASS) { throw new PasswordException(); } else if (r.getType() == Type.NAME) { NameRecord nr = null; if (bof.isBiff8()) { nr = new NameRecord(r, settings, nameTable.Count); } else { nr = new NameRecord(r, settings, nameTable.Count, NameRecord.biff7); } // Add all local and global names to the name table in order to // preserve the indexing nameTable.Add(nr); if (nr.isGlobal()) { namedRecords.Add(nr.getName(), nr); } else { localNames.Add(nr); } } else if (r.getType() == Type.FONT) { FontRecord fr = null; if (bof.isBiff8()) { fr = new FontRecord(r, settings); } else { fr = new FontRecord(r, settings, FontRecord.biff7); } fonts.addFont(fr); } else if (r.getType() == Type.PALETTE) { CSharpJExcel.Jxl.Biff.PaletteRecord palette = new CSharpJExcel.Jxl.Biff.PaletteRecord(r); formattingRecords.setPalette(palette); } else if (r.getType() == Type.NINETEENFOUR) { NineteenFourRecord nr = new NineteenFourRecord(r); nineteenFour = nr.is1904(); } else if (r.getType() == Type.FORMAT) { FormatRecord fr = null; if (bof.isBiff8()) { fr = new FormatRecord(r, settings, FormatRecord.biff8); } else { fr = new FormatRecord(r, settings, FormatRecord.biff7); } try { formattingRecords.addFormat(fr); } catch (NumFormatRecordsException e) { // This should not happen. Bomb out Assert.verify(false, e.Message); } } else if (r.getType() == Type.XF) { XFRecord xfr = null; if (bof.isBiff8()) { xfr = new XFRecord(r, settings, XFRecord.biff8); } else { xfr = new XFRecord(r, settings, XFRecord.biff7); } try { formattingRecords.addStyle(xfr); } catch (NumFormatRecordsException e) { // This should not happen. Bomb out Assert.verify(false, e.Message); } } else if (r.getType() == Type.BOUNDSHEET) { BoundsheetRecord br = null; if (bof.isBiff8()) { br = new BoundsheetRecord(r, settings); } else { br = new BoundsheetRecord(r, BoundsheetRecord.biff7); } if (br.isSheet()) { boundsheets.Add(br); } else if (br.isChart() && !settings.getDrawingsDisabled()) { boundsheets.Add(br); } } else if (r.getType() == Type.EXTERNSHEET) { if (bof.isBiff8()) { externSheet = new ExternalSheetRecord(r, settings); } else { externSheet = new ExternalSheetRecord(r, settings, ExternalSheetRecord.biff7); } } else if (r.getType() == Type.XCT) { XCTRecord xctr = new XCTRecord(r); xctRecords.Add(xctr); } else if (r.getType() == Type.CODEPAGE) { CodepageRecord cr = new CodepageRecord(r); settings.setCharacterSet(cr.getCharacterSet()); } else if (r.getType() == Type.SUPBOOK) { Record nextrec = excelFile.peek(); while (nextrec.getType() == Type.CONTINUE) { r.addContinueRecord(excelFile.next()); nextrec = excelFile.peek(); } SupbookRecord sr = new SupbookRecord(r, settings); supbooks.Add(sr); } else if (r.getType() == Type.EXTERNNAME) { ExternalNameRecord enr = new ExternalNameRecord(r, settings); if (enr.isAddInFunction()) { addInFunctions.Add(enr.getName()); } } else if (r.getType() == Type.PROTECT) { ProtectRecord pr = new ProtectRecord(r); wbProtected = pr.isProtected(); } else if (r.getType() == Type.OBJPROJ) { doesContainMacros = true; } else if (r.getType() == Type.COUNTRY) { countryRecord = new CountryRecord(r); } else if (r.getType() == Type.MSODRAWINGGROUP) { if (!settings.getDrawingsDisabled()) { msoDrawingGroup = new MsoDrawingGroupRecord(r); if (drawingGroup == null) { drawingGroup = new DrawingGroup(Origin.READ); } drawingGroup.add(msoDrawingGroup); Record nextrec = excelFile.peek(); while (nextrec.getType() == Type.CONTINUE) { drawingGroup.add(excelFile.next()); nextrec = excelFile.peek(); } } } else if (r.getType() == Type.BUTTONPROPERTYSET) { buttonPropertySet = new ButtonPropertySetRecord(r); } else if (r.getType() == Type.EOF) { bofs--; } else if (r.getType() == Type.REFRESHALL) { RefreshAllRecord rfm = new RefreshAllRecord(r); settings.setRefreshAll(rfm.getRefreshAll()); } else if (r.getType() == Type.TEMPLATE) { TemplateRecord rfm = new TemplateRecord(r); settings.setTemplate(rfm.getTemplate()); } else if (r.getType() == Type.EXCEL9FILE) { Excel9FileRecord e9f = new Excel9FileRecord(r); settings.setExcel9File(e9f.getExcel9File()); } else if (r.getType() == Type.WINDOWPROTECT) { WindowProtectedRecord winp = new WindowProtectedRecord(r); settings.setWindowProtected(winp.getWindowProtected()); } else if (r.getType() == Type.HIDEOBJ) { HideobjRecord hobj = new HideobjRecord(r); settings.setHideobj(hobj.getHideMode()); } else if (r.getType() == Type.WRITEACCESS) { WriteAccessRecord war = new WriteAccessRecord(r, bof.isBiff8(), settings); settings.setWriteAccess(war.getWriteAccess()); } else { // logger.info("Unsupported record type: " + // Integer.toHexString(r.getCode())+"h"); } } bof = null; if (excelFile.hasNext()) { r = excelFile.next(); if (r.getType() == Type.BOF) { bof = new BOFRecord(r); } } // Only get sheets for which there is a corresponding Boundsheet record while (bof != null && getNumberOfSheets() < boundsheets.Count) { if (!bof.isBiff8() && !bof.isBiff7()) { throw new BiffException(BiffException.unrecognizedBiffVersion); } if (bof.isWorksheet()) { // Read the sheet in SheetImpl s = new SheetImpl(excelFile, sharedStrings, formattingRecords, bof, workbookBof, nineteenFour, this); BoundsheetRecord br = (BoundsheetRecord)boundsheets[getNumberOfSheets()]; s.setName(br.getName()); s.setHidden(br.isHidden()); addSheet(s); } else if (bof.isChart()) { // Read the sheet in SheetImpl s = new SheetImpl(excelFile, sharedStrings, formattingRecords, bof, workbookBof, nineteenFour, this); BoundsheetRecord br = (BoundsheetRecord)boundsheets[getNumberOfSheets()]; s.setName(br.getName()); s.setHidden(br.isHidden()); addSheet(s); } else { //logger.warn("BOF is unrecognized"); while (excelFile.hasNext() && r.getType() != Type.EOF) { r = excelFile.next(); } } // The next record will normally be a BOF or empty padding until // the end of the block is reached. In exceptionally unlucky cases, // the last EOF will coincide with a block division, so we have to // check there is more data to retrieve. // Thanks to liamg for spotting this bof = null; if (excelFile.hasNext()) { r = excelFile.next(); if (r.getType() == Type.BOF) { bof = new BOFRecord(r); } } } // Add all the local names to the specific sheets foreach (NameRecord nr in localNames) { if (nr.getBuiltInName() == null) { //logger.warn("Usage of a local non-builtin name"); } else if (nr.getBuiltInName() == BuiltInName.PRINT_AREA || nr.getBuiltInName() == BuiltInName.PRINT_TITLES) { // appears to use the internal tab number rather than the // external sheet index SheetImpl s = (SheetImpl)sheets[nr.getSheetRef() - 1]; s.addLocalName(nr); } } }
/** * Constructs this string formula * * @param t the record * @param excelFile the excel file * @param fr the formatting record * @param es the external sheet * @param nt the workbook * @param si the sheet * @param ws the workbook settings */ public SharedStringFormulaRecord(Record t, File excelFile, FormattingRecords fr, ExternalSheet es, WorkbookMethods nt, SheetImpl si, WorkbookSettings ws) : base(t, fr, es, nt, si, excelFile.getPos()) { int pos = excelFile.getPos(); // Save the position in the excel file int filepos = excelFile.getPos(); // Look for the string record in one of the records after the // formula. Put a cap on it to prevent ednas Record nextRecord = excelFile.next(); int count = 0; while (nextRecord.getType() != Type.STRING && count < 4) { nextRecord = excelFile.next(); count++; } Assert.verify(count < 4, " @ " + pos); byte[] stringData = nextRecord.getData(); // Read in any continuation records nextRecord = excelFile.peek(); while (nextRecord.getType() == Type.CONTINUE) { nextRecord = excelFile.next(); // move the pointer within the data byte[] d = new byte[stringData.Length + nextRecord.getLength() - 1]; System.Array.Copy(stringData, 0, d, 0, stringData.Length); System.Array.Copy(nextRecord.getData(), 1, d, stringData.Length, nextRecord.getLength() - 1); stringData = d; nextRecord = excelFile.peek(); } int chars = IntegerHelper.getInt(stringData[0], stringData[1]); bool unicode = false; int startpos = 3; if (stringData.Length == chars + 2) { // string might only consist of a one byte length indicator, instead // of the more normal 2 startpos = 2; unicode = false; } else if (stringData[2] == 0x1) { // unicode string, two byte length indicator startpos = 3; unicode = true; } else { // ascii string, two byte length indicator startpos = 3; unicode = false; } if (!unicode) { value = StringHelper.getString(stringData, chars, startpos, ws); } else { value = StringHelper.getUnicodeString(stringData, chars, startpos); } // Restore the position in the excel file, to enable the SHRFMLA // record to be picked up excelFile.setPos(filepos); }