private string TryGetFormulaString(XlsBiffStream biffStream)
{
var rec = biffStream.Read();
if (rec != null && rec.Id == BIFFRECORDTYPE.SHAREDFMLA)
{
rec = biffStream.Read();
}
if (rec != null && rec.Id == BIFFRECORDTYPE.STRING)
{
var stringRecord = (XlsBiffFormulaString)rec;
return(stringRecord.GetValue(Encoding));
}
// Bad data - could not find a string following the formula
return(null);
}
private XlsRowBlock ReadNextBlock(XlsBiffStream biffStream, int startRow, int rows, int minOffset, int maxOffset)
{
var result = new XlsRowBlock {
Rows = new Dictionary <int, Row>()
};
// Ensure rows with physical records are initialized with height
for (var i = 0; i < rows; i++)
{
if (RowOffsetMap.TryGetValue(startRow + i, out _))
{
EnsureRow(result, startRow + i);
}
}
if (minOffset == int.MaxValue)
{
return(result);
}
biffStream.Position = minOffset;
XlsBiffRecord rec;
XlsBiffRecord ixfe = null;
while (biffStream.Position <= maxOffset && (rec = biffStream.Read()) != null)
{
if (rec.Id == BIFFRECORDTYPE.IXFE)
{
// BIFF2: If cell.xformat == 63, this contains the actual XF index >= 63
ixfe = rec;
}
if (rec.IsCell)
{
var cell = (XlsBiffBlankCell)rec;
var currentRow = EnsureRow(result, cell.RowIndex);
if (cell.Id == BIFFRECORDTYPE.MULRK)
{
var cellValues = ReadMultiCell(cell);
currentRow.Cells.AddRange(cellValues);
}
else
{
var xfIndex = GetXfIndexForCell(cell, ixfe);
var cellValue = ReadSingleCell(biffStream, cell, xfIndex);
currentRow.Cells.Add(cellValue);
}
ixfe = null;
}
}
return(result);
}
private void ReadWorksheetGlobals()
{
using (var biffStream = new XlsBiffStream(Stream, (int)DataOffset, Workbook.BiffVersion, null, Workbook.SecretKey, Workbook.Encryption))
{
// Check the expected BOF record was found in the BIFF stream
if (biffStream.BiffVersion == 0 || biffStream.BiffType != BIFFTYPE.Worksheet)
{
return;
}
XlsBiffHeaderFooterString header = null;
XlsBiffHeaderFooterString footer = null;
// Handle when dimensions report less columns than used by cell records.
int maxCellColumn = 0;
int maxRowCount = 0;
Dictionary <int, bool> previousBlocksObservedRows = new Dictionary <int, bool>();
Dictionary <int, bool> observedRows = new Dictionary <int, bool>();
var recordOffset = biffStream.Position;
XlsBiffRecord rec = biffStream.Read();
while (rec != null && !(rec is XlsBiffEof))
{
if (rec is XlsBiffDimensions dims)
{
FieldCount = dims.LastColumn;
RowCount = (int)dims.LastRow;
}
if (rec.Id == BIFFRECORDTYPE.DEFAULTROWHEIGHT || rec.Id == BIFFRECORDTYPE.DEFAULTROWHEIGHT_V2)
{
var defaultRowHeightRecord = (XlsBiffDefaultRowHeight)rec;
DefaultRowHeight = defaultRowHeightRecord.RowHeight;
}
if (rec.Id == BIFFRECORDTYPE.RECORD1904)
{
IsDate1904 = ((XlsBiffSimpleValueRecord)rec).Value == 1;
}
if (rec.Id == BIFFRECORDTYPE.XF_V2 || rec.Id == BIFFRECORDTYPE.XF_V3 || rec.Id == BIFFRECORDTYPE.XF_V4)
{
ExtendedFormats.Add(rec);
}
if (rec.Id == BIFFRECORDTYPE.FORMAT)
{
var fmt = (XlsBiffFormatString)rec;
if (Workbook.BiffVersion >= 5)
{
// fmt.Index exists on BIFF5+ only
Formats.Add(fmt.Index, fmt);
}
else
{
Formats.Add((ushort)Formats.Count, fmt);
}
}
if (rec.Id == BIFFRECORDTYPE.FORMAT_V23)
{
var fmt = (XlsBiffFormatString)rec;
Formats.Add((ushort)Formats.Count, fmt);
}
if (rec.Id == BIFFRECORDTYPE.CODEPAGE)
{
var codePage = (XlsBiffSimpleValueRecord)rec;
Encoding = EncodingHelper.GetEncoding(codePage.Value);
}
if (rec.Id == BIFFRECORDTYPE.HEADER && rec.RecordSize > 0)
{
header = (XlsBiffHeaderFooterString)rec;
}
if (rec.Id == BIFFRECORDTYPE.FOOTER && rec.RecordSize > 0)
{
footer = (XlsBiffHeaderFooterString)rec;
}
if (rec.Id == BIFFRECORDTYPE.CODENAME)
{
var codeName = (XlsBiffCodeName)rec;
CodeName = codeName.GetValue(Encoding);
}
if (rec.Id == BIFFRECORDTYPE.ROW)
{
var rowRecord = (XlsBiffRow)rec;
SetMinMaxRowOffset(rowRecord.RowIndex, recordOffset);
maxRowCount = Math.Max(maxRowCount, rowRecord.RowIndex + 1);
}
if (rec.IsCell)
{
var cell = (XlsBiffBlankCell)rec;
SetMinMaxRowOffset(cell.RowIndex, recordOffset);
maxCellColumn = Math.Max(maxCellColumn, cell.ColumnIndex + 1);
maxRowCount = Math.Max(maxRowCount, cell.RowIndex + 1);
}
recordOffset = biffStream.Position;
rec = biffStream.Read();
}
if (header != null || footer != null)
{
HeaderFooter = new HeaderFooter(false, false)
{
OddHeader = header?.GetValue(Encoding),
OddFooter = footer?.GetValue(Encoding),
};
}
if (FieldCount < maxCellColumn)
{
FieldCount = maxCellColumn;
}
if (RowCount < maxRowCount)
{
RowCount = maxRowCount;
}
}
}
private XlsRowBlock ReadNextBlock(XlsBiffStream biffStream, int startRow, int rows)
{
var result = new XlsRowBlock {
Rows = new Dictionary <int, Row>()
};
XlsBiffRecord rec;
XlsBiffRecord ixfe = null;
if (!GetMinMaxOffsetsForRowBlock(startRow, rows, out var minOffset, out var maxOffset))
{
return(result);
}
biffStream.Position = minOffset;
while (biffStream.Position <= maxOffset && (rec = biffStream.Read()) != null)
{
if (rec.Id == BIFFRECORDTYPE.ROW || rec.Id == BIFFRECORDTYPE.ROW_V2)
{
var rowRecord = (XlsBiffRow)rec;
var currentRow = EnsureRow(result, rowRecord.RowIndex);
currentRow.Height = (rowRecord.UseDefaultRowHeight ? DefaultRowHeight : rowRecord.RowHeight) / 20.0;
}
if (rec.Id == BIFFRECORDTYPE.IXFE)
{
// BIFF2: If cell.xformat == 63, this contains the actual XF index >= 63
ixfe = rec;
}
if (rec.IsCell)
{
var cell = (XlsBiffBlankCell)rec;
var currentRow = EnsureRow(result, cell.RowIndex);
if (cell.Id == BIFFRECORDTYPE.MULRK)
{
var cellValues = ReadMultiCell(cell);
currentRow.Cells.AddRange(cellValues);
}
else
{
ushort xFormat;
if (Workbook.BiffVersion == 2 && cell.XFormat == 63 && ixfe != null)
{
xFormat = ixfe.ReadUInt16(0);
}
else
{
xFormat = cell.XFormat;
}
var cellValue = ReadSingleCell(biffStream, cell, xFormat);
currentRow.Cells.Add(cellValue);
}
ixfe = null;
}
}
return(result);
}
private void ReadWorksheetGlobals()
{
using (var biffStream = new XlsBiffStream(Stream, (int)DataOffset, Workbook.BiffVersion, null, Workbook.SecretKey, Workbook.Encryption))
{
// Check the expected BOF record was found in the BIFF stream
if (biffStream.BiffVersion == 0 || biffStream.BiffType != BIFFTYPE.Worksheet)
{
return;
}
XlsBiffHeaderFooterString header = null;
XlsBiffHeaderFooterString footer = null;
int maxCellColumn = 0;
int maxRowCount = 0;
var mergeCells = new List <CellRange>();
var biffFormats = new Dictionary <ushort, XlsBiffFormatString>();
var recordOffset = biffStream.Position;
var rec = biffStream.Read();
while (rec != null && !(rec is XlsBiffEof))
{
if (rec is XlsBiffDimensions dims)
{
FieldCount = dims.LastColumn;
RowCount = (int)dims.LastRow;
}
if (rec.Id == BIFFRECORDTYPE.DEFAULTROWHEIGHT || rec.Id == BIFFRECORDTYPE.DEFAULTROWHEIGHT_V2)
{
var defaultRowHeightRecord = (XlsBiffDefaultRowHeight)rec;
DefaultRowHeight = defaultRowHeightRecord.RowHeight;
}
if (rec.Id == BIFFRECORDTYPE.RECORD1904)
{
IsDate1904 = ((XlsBiffSimpleValueRecord)rec).Value == 1;
}
if (rec.Id == BIFFRECORDTYPE.XF_V2 || rec.Id == BIFFRECORDTYPE.XF_V3 || rec.Id == BIFFRECORDTYPE.XF_V4)
{
ExtendedFormats.Add((XlsBiffXF)rec);
}
if (rec.Id == BIFFRECORDTYPE.MERGECELLS)
{
mergeCells.AddRange(((XlsBiffMergeCells)rec).MergeCells);
}
if (rec.Id == BIFFRECORDTYPE.FORMAT)
{
var fmt = (XlsBiffFormatString)rec;
if (Workbook.BiffVersion >= 5)
{
// fmt.Index exists on BIFF5+ only
biffFormats.Add(fmt.Index, fmt);
}
else
{
biffFormats.Add((ushort)biffFormats.Count, fmt);
}
}
if (rec.Id == BIFFRECORDTYPE.FORMAT_V23)
{
var fmt = (XlsBiffFormatString)rec;
biffFormats.Add((ushort)biffFormats.Count, fmt);
}
if (rec.Id == BIFFRECORDTYPE.CODEPAGE)
{
var codePage = (XlsBiffSimpleValueRecord)rec;
Encoding = EncodingHelper.GetEncoding(codePage.Value);
}
if (rec.Id == BIFFRECORDTYPE.HEADER && rec.RecordSize > 0)
{
header = (XlsBiffHeaderFooterString)rec;
}
if (rec.Id == BIFFRECORDTYPE.FOOTER && rec.RecordSize > 0)
{
footer = (XlsBiffHeaderFooterString)rec;
}
if (rec.Id == BIFFRECORDTYPE.CODENAME)
{
var codeName = (XlsBiffCodeName)rec;
CodeName = codeName.GetValue(Encoding);
}
if (rec.Id == BIFFRECORDTYPE.ROW)
{
var rowRecord = (XlsBiffRow)rec;
SetMinMaxRowOffset(rowRecord.RowIndex, recordOffset);
maxRowCount = Math.Max(maxRowCount, rowRecord.RowIndex + 1);
}
if (rec.IsCell)
{
var cell = (XlsBiffBlankCell)rec;
SetMinMaxRowOffset(cell.RowIndex, recordOffset);
maxCellColumn = Math.Max(maxCellColumn, cell.ColumnIndex + 1);
maxRowCount = Math.Max(maxRowCount, cell.RowIndex + 1);
}
recordOffset = biffStream.Position;
rec = biffStream.Read();
}
if (header != null || footer != null)
{
HeaderFooter = new HeaderFooter(false, false)
{
OddHeader = header?.GetValue(Encoding),
OddFooter = footer?.GetValue(Encoding),
};
}
foreach (var biffFormat in biffFormats)
{
var formatString = biffFormat.Value.GetValue(Encoding);
Formats.Add(biffFormat.Key, new NumberFormatString(formatString));
}
if (mergeCells.Count > 0)
{
MergeCells = mergeCells.ToArray();
}
if (FieldCount < maxCellColumn)
{
FieldCount = maxCellColumn;
}
if (RowCount < maxRowCount)
{
RowCount = maxRowCount;
}
}
}
private void ReadWorksheetGlobals()
{
var biffStream = new XlsBiffStream(Bytes, (int)DataOffset, Workbook.BiffVersion);
// Check the expected BOF record was found in the BIFF stream
if (biffStream.BiffVersion == 0 || biffStream.BiffType != BIFFTYPE.Worksheet)
{
return;
}
XlsBiffHeaderFooterString header = null;
XlsBiffHeaderFooterString footer = null;
// Handle when dimensions report less columns than used by cell records.
int maxCellColumn = 0;
Dictionary <int, bool> previousBlocksObservedRows = new Dictionary <int, bool>();
Dictionary <int, bool> observedRows = new Dictionary <int, bool>();
XlsBiffRecord rec = biffStream.Read();
while (rec != null && !(rec is XlsBiffEof))
{
if (rec is XlsBiffDimensions dims)
{
FieldCount = dims.LastColumn;
}
if (rec.Id == BIFFRECORDTYPE.RECORD1904)
{
IsDate1904 = ((XlsBiffSimpleValueRecord)rec).Value == 1;
}
if (rec.Id == BIFFRECORDTYPE.XF_V2 || rec.Id == BIFFRECORDTYPE.XF_V3 || rec.Id == BIFFRECORDTYPE.XF_V4)
{
ExtendedFormats.Add(rec);
}
if (rec.Id == BIFFRECORDTYPE.FORMAT)
{
var fmt = (XlsBiffFormatString)rec;
if (Workbook.BiffVersion >= 5)
{
// fmt.Index exists on BIFF5+ only
Formats.Add(fmt.Index, fmt);
}
else
{
Formats.Add((ushort)Formats.Count, fmt);
}
}
if (rec.Id == BIFFRECORDTYPE.FORMAT_V23)
{
var fmt = (XlsBiffFormatString)rec;
Formats.Add((ushort)Formats.Count, fmt);
}
if (rec.Id == BIFFRECORDTYPE.CODEPAGE)
{
var codePage = (XlsBiffSimpleValueRecord)rec;
Encoding = EncodingHelper.GetEncoding(codePage.Value);
}
if (rec.Id == BIFFRECORDTYPE.HEADER && rec.RecordSize > 0)
{
header = (XlsBiffHeaderFooterString)rec;
}
if (rec.Id == BIFFRECORDTYPE.FOOTER && rec.RecordSize > 0)
{
footer = (XlsBiffHeaderFooterString)rec;
}
if (rec.Id == BIFFRECORDTYPE.CODENAME)
{
var codeName = (XlsBiffCodeName)rec;
CodeName = codeName.GetValue(Encoding);
}
if (!RowContentInMultipleBlocks && rec is XlsBiffDbCell)
{
foreach (int row in observedRows.Keys)
{
previousBlocksObservedRows[row] = true;
}
observedRows.Clear();
}
if (rec is XlsBiffBlankCell cell)
{
maxCellColumn = Math.Max(maxCellColumn, cell.ColumnIndex + 1);
if (!RowContentInMultipleBlocks)
{
if (previousBlocksObservedRows.ContainsKey(cell.RowIndex))
{
RowContentInMultipleBlocks = true;
previousBlocksObservedRows.Clear();
observedRows.Clear();
}
observedRows[cell.RowIndex] = true;
}
}
rec = biffStream.Read();
}
if (header != null || footer != null)
{
HeaderFooter = new HeaderFooter(false, false)
{
OddHeader = header?.GetValue(Encoding),
OddFooter = footer?.GetValue(Encoding),
};
}
if (FieldCount < maxCellColumn)
{
FieldCount = maxCellColumn;
}
}
private XlsRowBlock ReadNextBlock(XlsBiffStream biffStream)
{
var result = new XlsRowBlock {
Rows = new Dictionary <int, object[]>()
};
var currentRowIndex = -1;
object[] currentRow = null;
XlsBiffRecord rec;
XlsBiffRecord ixfe = null;
while ((rec = biffStream.Read()) != null)
{
if (rec is XlsBiffEof)
{
result.EndOfSheet = true;
break;
}
if (rec is XlsBiffMSODrawing || (!RowContentInMultipleBlocks && rec is XlsBiffDbCell))
{
break;
}
if (rec.Id == BIFFRECORDTYPE.IXFE)
{
// BIFF2: If cell.xformat == 63, this contains the actual XF index >= 63
ixfe = rec;
}
if (rec is XlsBiffBlankCell cell)
{
// In most cases cells are grouped by row
if (currentRowIndex != cell.RowIndex)
{
if (!result.Rows.TryGetValue(cell.RowIndex, out currentRow))
{
currentRow = new object[FieldCount];
result.Rows.Add(cell.RowIndex, currentRow);
}
currentRowIndex = cell.RowIndex;
}
ushort xFormat;
if (Workbook.BiffVersion == 2 && cell.XFormat == 63 && ixfe != null)
{
xFormat = ixfe.ReadUInt16(0);
}
else
{
xFormat = cell.XFormat;
}
var additionalRecords = new List <XlsBiffRecord>();
while (!PushCellValue(currentRow, cell, xFormat, additionalRecords))
{
var additionalRecord = biffStream.Read();
additionalRecords.Add(additionalRecord);
}
ixfe = null;
}
}
return(result);
}
private void ReadWorkbookGlobals(XlsBiffStream biffStream)
{
XlsBiffRecord rec;
var biffFormats = new Dictionary <ushort, XlsBiffFormatString>();
while ((rec = biffStream.Read()) != null && rec.Id != BIFFRECORDTYPE.EOF)
{
switch (rec.Id)
{
case BIFFRECORDTYPE.INTERFACEHDR:
InterfaceHdr = (XlsBiffInterfaceHdr)rec;
break;
case BIFFRECORDTYPE.BOUNDSHEET:
XlsBiffBoundSheet sheet = (XlsBiffBoundSheet)rec;
if (sheet.Type != XlsBiffBoundSheet.SheetType.Worksheet)
{
break;
}
Sheets.Add(sheet);
break;
case BIFFRECORDTYPE.MMS:
Mms = rec;
break;
case BIFFRECORDTYPE.COUNTRY:
Country = rec;
break;
case BIFFRECORDTYPE.CODEPAGE:
// [MS-XLS 2.4.52 CodePage] An unsigned integer that specifies the workbook’s code page.The value MUST be one
// of the code page values specified in [CODEPG] or the special value 1200, which means that the
// workbook is Unicode.
CodePage = (XlsBiffSimpleValueRecord)rec;
Encoding = EncodingHelper.GetEncoding(CodePage.Value);
break;
case BIFFRECORDTYPE.FONT:
case BIFFRECORDTYPE.FONT_V34:
Fonts.Add(rec);
break;
case BIFFRECORDTYPE.FORMAT_V23:
{
var fmt = (XlsBiffFormatString)rec;
biffFormats.Add((ushort)biffFormats.Count, fmt);
}
break;
case BIFFRECORDTYPE.FORMAT:
{
var fmt = (XlsBiffFormatString)rec;
biffFormats.Add(fmt.Index, fmt);
}
break;
case BIFFRECORDTYPE.XF:
case BIFFRECORDTYPE.XF_V4:
case BIFFRECORDTYPE.XF_V3:
case BIFFRECORDTYPE.XF_V2:
ExtendedFormats.Add((XlsBiffXF)rec);
break;
case BIFFRECORDTYPE.SST:
SST = (XlsBiffSST)rec;
SST.ReadStrings(biffStream);
break;
case BIFFRECORDTYPE.CONTINUE:
break;
case BIFFRECORDTYPE.EXTSST:
ExtSST = rec;
break;
case BIFFRECORDTYPE.PASSWORD:
break;
case BIFFRECORDTYPE.PROTECT:
case BIFFRECORDTYPE.PROT4REVPASSWORD:
// IsProtected
break;
case BIFFRECORDTYPE.RECORD1904:
IsDate1904 = ((XlsBiffSimpleValueRecord)rec).Value == 1;
break;
default:
break;
}
}
foreach (var biffFormat in biffFormats)
{
var formatString = biffFormat.Value.GetValue(Encoding);
Formats.Add(biffFormat.Key, new NumberFormatString(formatString));
}
}
private void ReadWorksheetGlobals()
{
using (var biffStream = new XlsBiffStream(Stream, (int)DataOffset, Workbook.BiffVersion, null, Workbook.SecretKey, Workbook.Encryption))
{
// Check the expected BOF record was found in the BIFF stream
if (biffStream.BiffVersion == 0 || biffStream.BiffType != BIFFTYPE.Worksheet)
{
return;
}
XlsBiffHeaderFooterString header = null;
XlsBiffHeaderFooterString footer = null;
var ixfeOffset = -1;
int maxCellColumn = 0;
int maxRowCount = 0; // number of rows with cell records
int maxRowCountFromRowRecord = 0; // number of rows with row records
var mergeCells = new List <CellRange>();
var biffFormats = new Dictionary <ushort, XlsBiffFormatString>();
var recordOffset = biffStream.Position;
var rec = biffStream.Read();
var columnWidths = new List <Col>();
while (rec != null && !(rec is XlsBiffEof))
{
if (rec is XlsBiffDimensions dims)
{
FieldCount = dims.LastColumn;
RowCount = (int)dims.LastRow;
}
if (rec.Id == BIFFRECORDTYPE.DEFAULTROWHEIGHT || rec.Id == BIFFRECORDTYPE.DEFAULTROWHEIGHT_V2)
{
var defaultRowHeightRecord = (XlsBiffDefaultRowHeight)rec;
DefaultRowHeight = defaultRowHeightRecord.RowHeight;
}
if (rec.Id == BIFFRECORDTYPE.RECORD1904)
{
IsDate1904 = ((XlsBiffSimpleValueRecord)rec).Value == 1;
}
if (rec.Id == BIFFRECORDTYPE.XF_V2 || rec.Id == BIFFRECORDTYPE.XF_V3 || rec.Id == BIFFRECORDTYPE.XF_V4)
{
// NOTE: XF records should only occur in raw BIFF2-4 single worksheet documents without the workbook stream, or globally in the workbook stream.
// It is undefined behavior if multiple worksheets in a workbook declare XF records.
Workbook.AddExtendedFormat(-1, ((XlsBiffXF)rec).Format, true);
}
if (rec.Id == BIFFRECORDTYPE.MERGECELLS)
{
mergeCells.AddRange(((XlsBiffMergeCells)rec).MergeCells);
}
if (rec.Id == BIFFRECORDTYPE.COLINFO)
{
columnWidths.Add(((XlsBiffColInfo)rec).Value);
}
if (rec.Id == BIFFRECORDTYPE.FORMAT)
{
var fmt = (XlsBiffFormatString)rec;
if (Workbook.BiffVersion >= 5)
{
// fmt.Index exists on BIFF5+ only
biffFormats.Add(fmt.Index, fmt);
}
else
{
biffFormats.Add((ushort)biffFormats.Count, fmt);
}
}
if (rec.Id == BIFFRECORDTYPE.FORMAT_V23)
{
var fmt = (XlsBiffFormatString)rec;
biffFormats.Add((ushort)biffFormats.Count, fmt);
}
if (rec.Id == BIFFRECORDTYPE.CODEPAGE)
{
var codePage = (XlsBiffSimpleValueRecord)rec;
Encoding = EncodingHelper.GetEncoding(codePage.Value);
}
if (rec.Id == BIFFRECORDTYPE.HEADER && rec.RecordSize > 0)
{
header = (XlsBiffHeaderFooterString)rec;
}
if (rec.Id == BIFFRECORDTYPE.FOOTER && rec.RecordSize > 0)
{
footer = (XlsBiffHeaderFooterString)rec;
}
if (rec.Id == BIFFRECORDTYPE.CODENAME)
{
var codeName = (XlsBiffCodeName)rec;
CodeName = codeName.GetValue(Encoding);
}
if (rec.Id == BIFFRECORDTYPE.ROW || rec.Id == BIFFRECORDTYPE.ROW_V2)
{
var rowRecord = (XlsBiffRow)rec;
SetMinMaxRow(rowRecord.RowIndex, rowRecord);
// Count rows by row records without affecting the overlap in OffsetMap
maxRowCountFromRowRecord = Math.Max(maxRowCountFromRowRecord, rowRecord.RowIndex + 1);
}
if (rec.Id == BIFFRECORDTYPE.IXFE)
{
ixfeOffset = recordOffset;
}
if (rec.IsCell)
{
var cell = (XlsBiffBlankCell)rec;
maxCellColumn = Math.Max(maxCellColumn, cell.ColumnIndex + 1);
maxRowCount = Math.Max(maxRowCount, cell.RowIndex + 1);
if (ixfeOffset != -1)
{
SetMinMaxRowOffset(cell.RowIndex, ixfeOffset, maxRowCount - 1);
ixfeOffset = -1;
}
SetMinMaxRowOffset(cell.RowIndex, recordOffset, maxRowCount - 1);
}
recordOffset = biffStream.Position;
rec = biffStream.Read();
// Stop if we find the start out a new substream. Not always that files have the required EOF before a substream BOF.
if (rec is XlsBiffBOF)
{
break;
}
}
if (header != null || footer != null)
{
HeaderFooter = new HeaderFooter(false, false)
{
OddHeader = header?.GetValue(Encoding),
OddFooter = footer?.GetValue(Encoding),
};
}
foreach (var biffFormat in biffFormats)
{
Workbook.AddNumberFormat(biffFormat.Key, biffFormat.Value.GetValue(Encoding));
}
if (mergeCells.Count > 0)
{
MergeCells = mergeCells.ToArray();
}
if (FieldCount < maxCellColumn)
{
FieldCount = maxCellColumn;
}
maxRowCount = Math.Max(maxRowCount, maxRowCountFromRowRecord);
if (RowCount < maxRowCount)
{
RowCount = maxRowCount;
}
if (columnWidths.Count > 0)
{
ColumnWidths = columnWidths.ToArray();
}
}
}
private void ReadWorkbookGlobals(XlsBiffStream biffStream)
{
bool sst = false;
XlsBiffRecord rec;
while ((rec = biffStream.Read()) != null)
{
switch (rec.Id)
{
case BIFFRECORDTYPE.INTERFACEHDR:
InterfaceHdr = (XlsBiffInterfaceHdr)rec;
break;
case BIFFRECORDTYPE.BOUNDSHEET:
XlsBiffBoundSheet sheet = (XlsBiffBoundSheet)rec;
if (sheet.Type != XlsBiffBoundSheet.SheetType.Worksheet)
{
break;
}
Sheets.Add(sheet);
break;
case BIFFRECORDTYPE.MMS:
Mms = rec;
break;
case BIFFRECORDTYPE.COUNTRY:
Country = rec;
break;
case BIFFRECORDTYPE.CODEPAGE:
// [MS-XLS 2.4.52 CodePage] An unsigned integer that specifies the workbook’s code page.The value MUST be one
// of the code page values specified in [CODEPG] or the special value 1200, which means that the
// workbook is Unicode.
CodePage = (XlsBiffSimpleValueRecord)rec;
Encoding = EncodingHelper.GetEncoding(CodePage.Value);
break;
case BIFFRECORDTYPE.FONT:
case BIFFRECORDTYPE.FONT_V34:
Fonts.Add(rec);
break;
case BIFFRECORDTYPE.FORMAT_V23:
{
var fmt = (XlsBiffFormatString)rec;
Formats.Add((ushort)Formats.Count, fmt);
}
break;
case BIFFRECORDTYPE.FORMAT:
{
var fmt = (XlsBiffFormatString)rec;
Formats.Add(fmt.Index, fmt);
}
break;
case BIFFRECORDTYPE.XF:
case BIFFRECORDTYPE.XF_V4:
case BIFFRECORDTYPE.XF_V3:
case BIFFRECORDTYPE.XF_V2:
ExtendedFormats.Add(rec);
break;
case BIFFRECORDTYPE.SST:
SST = (XlsBiffSST)rec;
sst = true;
break;
case BIFFRECORDTYPE.CONTINUE:
if (!sst)
{
break;
}
XlsBiffContinue contSST = (XlsBiffContinue)rec;
SST.Append(contSST);
break;
case BIFFRECORDTYPE.EXTSST:
ExtSST = rec;
sst = false;
break;
case BIFFRECORDTYPE.PASSWORD:
break;
case BIFFRECORDTYPE.PROTECT:
case BIFFRECORDTYPE.PROT4REVPASSWORD:
// IsProtected
break;
case BIFFRECORDTYPE.RECORD1904:
IsDate1904 = ((XlsBiffSimpleValueRecord)rec).Value == 1;
break;
case BIFFRECORDTYPE.EOF:
SST?.ReadStrings();
return;
default:
continue;
}
}
}
