public bool ProcessFilters(ref string aLine)
{
bool propagateLine = false;
//
if (aLine.Length > 0)
{
int matchCount = 0;
int filterCount = Count;
// First phase: check for filter matches
for (int i = 0; i < filterCount; i++)
{
AsyncTextReaderFilter filter = this[i];
//
bool matchedFilter = filter.Matches(aLine);
if (matchedFilter)
{
++matchCount;
}
}
// Second phase: check for overall match against combined
// criteria.
propagateLine = (filterCount == 0); // Default to true when no filters
switch (CombinationType)
{
case TCombinationType.ECombinationTypeOR:
propagateLine = (matchCount > 0);
break;
case TCombinationType.ECombinationTypeAND:
propagateLine = (matchCount == filterCount);
break;
case TCombinationType.ECombinationTypeNOT:
propagateLine = (matchCount == 0);
break;
default:
case TCombinationType.ECombinationTypeUndefined:
break;
}
// Third phase: process filter
if (propagateLine)
{
for (int i = 0; i < filterCount; i++)
{
AsyncTextReaderFilter filter = this[i];
filter.Process(ref aLine);
}
}
}
return(propagateLine);
}
public void AddFilter(AsyncTextReaderFilter aFilter)
{
iFilters.Add(aFilter);
}
public void Remove(AsyncTextReaderFilter aFilter)
{
iFilters.Remove(aFilter);
}