private Worksheet Read(int? sheetNumber = null, string sheetName = null, int existingHeadingRows = 0)
{
CheckFiles();
PrepareArchive();
Worksheet worksheet = new Worksheet();
worksheet.ExistingHeadingRows = existingHeadingRows;
worksheet.GetWorksheetProperties(this, sheetNumber, sheetName);
IEnumerable<Row> rows = null;
List<string> headings = new List<string>();
using (Stream stream = this.Archive.GetEntry(worksheet.FileName).Open())
{
XDocument document = XDocument.Load(stream);
int skipRows = 0;
Row possibleHeadingRow = new Row(document.Descendants().Where(d => d.Name.LocalName == "row").FirstOrDefault(), this.SharedStrings);
if (worksheet.ExistingHeadingRows == 1 && possibleHeadingRow.RowNumber == 1)
{
foreach (Cell headerCell in possibleHeadingRow.Cells)
{
headings.Add(headerCell.Value.ToString());
}
}
rows = GetRows(document.Descendants().Where(d => d.Name.LocalName == "row").Skip(skipRows));
}
worksheet.Headings = headings;
worksheet.Rows = rows;
return worksheet;
}
/// <summary>
/// Merge this row and the passed one togeather
/// </summary>
/// <param name="row">Row to be merged into this one</param>
internal void Merge(Row row)
{
// Merge cells
List<Cell> outputList = new List<Cell>();
foreach (var cell in this.Cells.Union(row.Cells).GroupBy(c => c.ColumnNumber))
{
int count = cell.Count();
if (count == 1)
{
outputList.Add(cell.First());
}
else
{
cell.First().Merge(cell.Skip(1).First());
outputList.Add(cell.First());
}
}
// Sort
this.Cells = (from c in outputList
orderby c.ColumnNumber
select c);
}
