private Bytes INDEX(int baseLength)
{
Bytes index = new Bytes();
//Not used
index.Append(new byte[] { 0x00, 0x00, 0x00, 0x00 });
//Index to first used row (0-based)
index.Append(BitConverter.GetBytes(_rows.MinRow - 1));
//Index to first row of unused tail of sheet(last row + 1, 0-based)
index.Append(BitConverter.GetBytes(_rows.MaxRow));
//Absolute stream position of the DEFCOLWIDTH record
//TODO: Implement Worksheet.INDEX Absolute stream position of the DEFCOLWIDTH record (not necessary)
index.Append(BitConverter.GetBytes((uint)0));
for (int i = 1; i < _dbCellOffsets.Length; i++)
index.Append(BitConverter.GetBytes((uint)(baseLength + _dbCellOffsets[i])));
return Record.GetBytes(RID.INDEX, index);
}
internal Worksheet(XlsDocument doc, Record boundSheet, List<Record> sheetRecords) : this(doc)
{
byte[] byteArray = boundSheet.Data.ByteArray;
byte visibility = byteArray[4];
if (visibility == 0x00)
_visibility = WorksheetVisibilities.Visible;
else if (visibility == 0x01)
_visibility = WorksheetVisibilities.Hidden;
else if (visibility == 0x02)
_visibility = WorksheetVisibilities.StrongHidden;
else
throw new Exception(string.Format("Unknown Visibility {0}", visibility));
byte type = byteArray[5];
if (type == 0x00)
_sheettype = WorksheetTypes.Worksheet;
else if (type == 0x02)
_sheettype = WorksheetTypes.Chart;
else if (type == 0x06)
_sheettype = WorksheetTypes.VBModule;
else
throw new Exception(string.Format("Unknown Sheet Type {0}", type));
List<Record> rowRecords = new List<Record>();
List<Record> cellRecords = new List<Record>();
for (int i = 0; i < sheetRecords.Count; i++)
{
Record record = sheetRecords[i];
if (record.IsCellRecord())
{
if (record.RID == RID.FORMULA)
{
Record formulaStringRecord = null;
if ((i + i) < sheetRecords.Count)
{
formulaStringRecord = sheetRecords[i + 1];
if (formulaStringRecord.RID != RID.STRING)
formulaStringRecord = null;
}
record = new FormulaRecord(record, formulaStringRecord);
}
cellRecords.Add(record);
}
else if (record.RID == RID.ROW)
rowRecords.Add(record);
}
//Add the Rows first so they exist for adding the Cells
foreach (Record rowRecord in rowRecords)
{
Bytes rowBytes = rowRecord.Data;
ushort rowIndex = rowBytes.Get(0, 2).GetBits().ToUInt16();
Row row = Rows.AddRow(rowIndex);
bool isDefaultHeight = rowBytes.Get(6, 2).GetBits().Values[15];
ushort height = 0;
if (!isDefaultHeight)
{
height = rowBytes.Get(6, 2).GetBits().Get(0, 14).ToUInt16();
//TODO: Set height on Row when reading (after Row Height implemented)
}
bool defaultsWritten = (rowBytes.Get(10, 1).ByteArray[0] == 0x01);
if (defaultsWritten)
{
//TODO: Read ROW record defaults
}
}
foreach (Record record in cellRecords)
AddCells(record);
_name = UnicodeBytes.Read(boundSheet.Data.Get(6, boundSheet.Data.Length - 6), 8);
}