コード例 #1
0
        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;
                }
            }
        }
コード例 #2
0
        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;
            }
        }
コード例 #3
0
ファイル: XlsWorksheet.cs プロジェクト: kollare/Arconic
        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;
                }
            }
        }
コード例 #4
0
        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();
                }
            }
        }