//TODO: quite a bit of duplication with the noindex version
private bool readWholeWorkSheetWithIndex(XlsBiffIndex idx, bool triggerCreateColumns, DataTable table)
{
m_dbCellAddrs = idx.DbCellAddresses;
for (int index = 0; index < m_dbCellAddrs.Length; index++)
{
if (m_depth == m_maxRow) break;
// init reading data
m_cellOffset = findFirstDataCellOffset((int) m_dbCellAddrs[index]);
if (m_cellOffset == -2)
{
return false;
}
if (m_cellOffset < 0)
{
return true;
}
//DataTable columns
if (triggerCreateColumns)
{
if (_isFirstRowAsColumnNames && readWorkSheetRow() || (_isFirstRowAsColumnNames && m_maxRow == 1))
{
for (int i = 0; i < m_maxCol; i++)
{
if (m_cellsValues[i] != null && m_cellsValues[i].ToString().Length > 0)
{
table.AddColumnHandleDuplicate(m_cellsValues[i].ToString());
}
else
{
table.AddColumnHandleDuplicate(string.Concat(COLUMN, i));
}
}
}
else
{
for (int i = 0; i < m_maxCol; i++)
{
table.Columns.Add(null, typeof (Object));
}
}
triggerCreateColumns = false;
table.BeginLoadData();
}
while (readWorkSheetRow())
{
table.Rows.Add(m_cellsValues);
}
//add the row
if (m_depth > 0 && !(_isFirstRowAsColumnNames && m_maxRow == 1))
{
table.Rows.Add(m_cellsValues);
}
}
return true;
}
private bool readWorkSheetGlobals(XlsWorksheet sheet, out XlsBiffIndex idx, out XlsBiffRow row)
{
idx = null;
row = null;
m_stream.Seek((int)sheet.DataOffset, SeekOrigin.Begin);
//
// Read BOF
//
XlsBiffBOF bof = m_stream.Read() as XlsBiffBOF;
if (bof == null || bof.Type != BIFFTYPE.Worksheet)
{
return false;
}
//DumpBiffRecords();
//
// Read Index
//
XlsBiffRecord rec = m_stream.Read();
if (rec == null) return false;
if (rec is XlsBiffIndex)
{
idx = rec as XlsBiffIndex;
}
else if (rec is XlsBiffUncalced)
{
// Sometimes this come before the index...
idx = m_stream.Read() as XlsBiffIndex;
}
//if (null == idx)
//{
// // There is a record before the index! Chech his type and see the MS Biff Documentation
// return false;
//}
if (idx != null)
{
idx.IsV8 = isV8();
}
//
// Read Demension
//
XlsBiffRecord trec;
XlsBiffDimensions dims = null;
do
{
trec = m_stream.Read();
if (trec.ID == BIFFRECORDTYPE.DIMENSIONS)
{
dims = (XlsBiffDimensions)trec;
break;
}
} while (trec != null && trec.ID != BIFFRECORDTYPE.ROW);
//
// Read Row
//
//if we are already on row record then set that as the row, otherwise step forward till we get to a row record
if (trec.ID == BIFFRECORDTYPE.ROW)
row = (XlsBiffRow)trec;
XlsBiffRow rowRecord = null;
while (rowRecord == null)
{
if (m_stream.Position >= m_stream.Size)
break;
var thisRec = m_stream.Read();
if (thisRec is XlsBiffEOF)
break;
rowRecord = thisRec as XlsBiffRow;
}
if (rowRecord != null)
{
////Console.WriteLine("Got row {0}, rec: id={1},rowindex={2}, rowColumnStart={3}, rowColumnEnd={4}", rowRecord.Offset, rowRecord.ID, rowRecord.RowIndex, rowRecord.FirstDefinedColumn, rowRecord.LastDefinedColumn);
}
row = rowRecord;
if (dims != null)
{
dims.IsV8 = isV8();
////LogManager.Log(this).Debug("dims IsV8={0}", dims.IsV8);
m_maxCol = dims.LastColumn - 1;
//handle case where sheet reports last column is 1 but there are actually more
if (m_maxCol <= 0 && rowRecord != null)
{
m_maxCol = rowRecord.LastDefinedColumn;
}
m_maxRow = (int)dims.LastRow;
sheet.Dimensions = dims;
}
else
{
m_maxCol = 256;
m_maxRow = (int)idx.LastExistingRow;
}
if (idx != null && idx.LastExistingRow <= idx.FirstExistingRow)
{
return false;
}
else if (row == null)
{
return false;
}
m_depth = 0;
//
// Read Hyper Link
//
bool hasFound = false;
while (true)
{
if (m_stream.Position >= m_stream.Size)
break;
var thisRecord = m_stream.Read();
if (thisRecord is XlsBiffEOF)
{
break;
}
XlsBiffHyperLink hyperLink = thisRecord as XlsBiffHyperLink;
if (hyperLink!=null)
{
hasFound = true;
////Console.WriteLine("Read HyperLink");
//Console.WriteLine("Url:{0},{1}",hyperLink.Url,hyperLink.CellRangeAddress.ToString());
m_globals.AddHyperLink(hyperLink);
}
if (hasFound == true && hyperLink == null)
{
break;
}
}
return true;
}
