private static OrderByPropertyComparer CreateComparer(
List <OrderByPropertyEntry> orderMatrix,
List <MshParameter> mshParameterList,
bool ascending,
CultureInfo cultureInfo,
bool caseSensitive)
{
if (orderMatrix == null || orderMatrix.Count == 0)
{
return(null);
}
Nullable <bool>[] ascendingOverrides = null;
if (mshParameterList != null && mshParameterList.Count != 0)
{
ascendingOverrides = new Nullable <bool> [mshParameterList.Count];
for (int k = 0; k < ascendingOverrides.Length; k++)
{
object ascendingVal = mshParameterList[k].GetEntry(
SortObjectParameterDefinitionKeys.AscendingEntryKey);
object descendingVal = mshParameterList[k].GetEntry(
SortObjectParameterDefinitionKeys.DescendingEntryKey);
bool isAscendingDefined = isOrderEntryKeyDefined(ascendingVal);
bool isDescendingDefined = isOrderEntryKeyDefined(descendingVal);
if (!isAscendingDefined && !isDescendingDefined)
{
// if neither ascending nor descending is defined
ascendingOverrides[k] = null;
}
else if (isAscendingDefined && isDescendingDefined &&
(bool)ascendingVal == (bool)descendingVal)
{
// if both ascending and descending defined but their values conflict
// they are ignored.
ascendingOverrides[k] = null;
}
else if (isAscendingDefined)
{
ascendingOverrides[k] = (bool)ascendingVal;
}
else
{
ascendingOverrides[k] = !(bool)descendingVal;
}
}
}
OrderByPropertyComparer comparer =
OrderByPropertyComparer.CreateComparer(orderMatrix, ascending,
ascendingOverrides, cultureInfo, caseSensitive);
return(comparer);
}
private static OrderByPropertyComparer CreateComparer(List <OrderByPropertyEntry> orderMatrix, List <MshParameter> mshParameterList, bool ascending, CultureInfo cultureInfo, bool caseSensitive)
{
if ((orderMatrix == null) || (orderMatrix.Count == 0))
{
return(null);
}
bool?[] ascendingOverrides = null;
if ((mshParameterList != null) && (mshParameterList.Count != 0))
{
ascendingOverrides = new bool?[mshParameterList.Count];
for (int i = 0; i < ascendingOverrides.Length; i++)
{
object entry = mshParameterList[i].GetEntry("ascending");
object orderEntryKey = mshParameterList[i].GetEntry("descending");
bool flag = isOrderEntryKeyDefined(entry);
bool flag2 = isOrderEntryKeyDefined(orderEntryKey);
if (!flag && !flag2)
{
ascendingOverrides[i] = null;
}
else if ((flag && flag2) && (((bool)entry) == ((bool)orderEntryKey)))
{
ascendingOverrides[i] = null;
}
else if (flag)
{
ascendingOverrides[i] = new bool?((bool)entry);
}
else
{
ascendingOverrides[i] = new bool?(!((bool)orderEntryKey));
}
}
}
return(OrderByPropertyComparer.CreateComparer(orderMatrix, ascending, ascendingOverrides, cultureInfo, caseSensitive));
}