/// <summary>
/// Gets the range text.
/// </summary>
/// <param name="worksheet">The sheet.</param>
/// <param name="row">The row index.</param>
/// <param name="rowCount">The row count.</param>
/// <param name="column">The column index.</param>
/// <param name="columnCount">The column count.</param>
/// <param name="rowDelimiter">The row delimiter.</param>
/// <param name="columnDelimiter">The column delimiter.</param>
/// <param name="cellDelimiter">The cell delimiter.</param>
/// <param name="forceCellDelimiter">If set to <c>true</c>, [force cell delimiter]</param>
/// <param name="flags">The export flags.</param>
/// <returns></returns>
public static string GetRangeText(Worksheet worksheet, int row, int rowCount, int column, int columnCount, string rowDelimiter, string columnDelimiter, string cellDelimiter, bool forceCellDelimiter, TextFileSaveFlags flags)
{
if (worksheet == null)
{
throw new ArgumentNullException("sheet");
}
if ((row < -1) || (row >= worksheet.RowCount))
{
throw new IndexOutOfRangeException(string.Format(ResourceStrings.InvaildRowIndexWithAllowedRangeBehind, (object[])new object[] { ((int)row), ((int)(worksheet.RowCount - 1)) }));
}
if ((rowCount < -1) || ((row + rowCount) > worksheet.RowCount))
{
throw new IndexOutOfRangeException(string.Format(ResourceStrings.InvalidRowCountWithAllowedRowCountBehind, (object[])new object[] { ((int)rowCount), ((int)(worksheet.RowCount - 1)) }));
}
if ((column < -1) || (column >= worksheet.ColumnCount))
{
throw new IndexOutOfRangeException(string.Format(ResourceStrings.InvalidColumnIndexWithAllowedRangeBehind, (object[])new object[] { ((int)column), ((int)(worksheet.ColumnCount - 1)) }));
}
if ((columnCount < -1) || ((column + columnCount) > worksheet.ColumnCount))
{
throw new IndexOutOfRangeException(string.Format(ResourceStrings.InvalidColumnCountWithAllowedColumnCountBehind, (object[])new object[] { ((int)columnCount), ((int)(worksheet.ColumnCount - columnCount)) }));
}
int rowEndIndex = -1;
int columnEndIndex = -1;
if (((row == -1) && (column == -1)) && ((rowCount == -1) && (columnCount == -1)))
{
row = 0;
column = 0;
rowEndIndex = worksheet.GetLastDirtyRow(StorageType.Data);
columnEndIndex = worksheet.GetLastDirtyColumn(StorageType.Data);
}
else
{
if (row == -1)
{
row = 0;
}
if (column == -1)
{
column = 0;
}
if (rowCount == -1)
{
rowCount = worksheet.RowCount - row;
}
if (columnCount == -1)
{
columnCount = worksheet.ColumnCount - column;
}
rowEndIndex = (row + rowCount) - 1;
columnEndIndex = (column + columnCount) - 1;
}
if (string.IsNullOrEmpty(rowDelimiter))
{
rowDelimiter = "\r\n";
}
if (string.IsNullOrEmpty(columnDelimiter))
{
columnDelimiter = "\t";
}
if (string.IsNullOrEmpty(cellDelimiter))
{
cellDelimiter = "\"";
}
List <List <object> > list = GetSheetData(worksheet, row, rowEndIndex, column, columnEndIndex, flags);
StringBuilder builder = new StringBuilder();
for (int i = 0; i < list.Count; i++)
{
List <object> list2 = list[i];
bool flag = true;
foreach (object obj2 in list2)
{
if (!flag)
{
builder.Append(columnDelimiter);
}
flag = false;
string str = string.Empty;
if (obj2 != null)
{
str = obj2.ToString().Replace(cellDelimiter, cellDelimiter + cellDelimiter);
}
if ((forceCellDelimiter || (str.IndexOf(cellDelimiter) != -1)) || ((str.IndexOf(columnDelimiter) != -1) || (str.IndexOf(rowDelimiter) != -1)))
{
builder.AppendFormat("{0}{1}{0}", (object[])new object[] { cellDelimiter, str });
}
else
{
builder.Append(str);
}
}
if (i != (list.Count - 1))
{
builder.Append(rowDelimiter);
}
}
return(builder.ToString());
}