private void ParseRows(XElement tbody, Table table, TableAnalyzer tableAnalyzer)
{
List <decimal> cellWidthPercentages = tableAnalyzer.CellWidthPercentages;
List <decimal> tableCellWidthSums = tableAnalyzer.TableCellWidthSums;
for (int r = 1; r <= table.Rows.Count; r++)
{
var currentRow = new XElement("tr");
tbody.Add(currentRow);
decimal currentWidthSum = 0;
int numColSpansUsed = 0;
for (int c = 1; c <= table.Columns.Count; c++)
{
try
{
var curCell = table.Cell(r, c);
curCell.Select();
var app = curCell.Application;
Selection selection = app.Selection;
var xmlCell = new XElement(@"td");
currentRow.Add(xmlCell);
Paragraphs paragraphs = curCell.Range.Paragraphs;
var tableBuilder = new TableBuilder(curCell.Tables);
var paragraphsTransformer = new TableCellParagraphsTransformer(paragraphs);
PopulateTableCell(xmlCell, paragraphsTransformer, tableBuilder);
currentWidthSum += (decimal)curCell.Width;
int widthIndex = tableCellWidthSums.IndexOf(currentWidthSum);
int currentNumberOfColumns = widthIndex + 1 - numColSpansUsed;
SetTableCellAttributes(xmlCell, widthIndex, currentNumberOfColumns, cellWidthPercentages, selection);
numColSpansUsed += currentNumberOfColumns;
}
catch (System.Runtime.InteropServices.COMException)
{ //it seems that the only way to tell if a cell at a particular [row, col] index
//exists is to call table.Cell(row, col) and see if it throws an exception
//the reason it may not exist is rowspans and colspans
int nr = r;
while (nr > 0)
{
try
{
currentWidthSum += (decimal)table.Cell(nr, c).Width;
int widthIndex = tableCellWidthSums.IndexOf(currentWidthSum);
int curNumCol = widthIndex + 1 - numColSpansUsed;
numColSpansUsed += curNumCol;
break;
}
catch (System.Runtime.InteropServices.COMException)
{
nr--;
}
}
}
}
}
}
private void PopulateTableCell(XElement tableCell, TableCellParagraphsTransformer paragraphsTransformer, TableBuilder tableBuilder)
{
XNode currentDescendent = paragraphsTransformer.Parse(tableBuilder).FirstNode;
while (currentDescendent != null)
{
tableCell.Add(currentDescendent);
currentDescendent = currentDescendent.NextNode;
}
if (paragraphsTransformer.CellStyle != null)
{
tableCell.SetAttributeValue("class", paragraphsTransformer.CellStyle);
}
}