void FilterWriterQueue<SourceType, DestinationQueueType>::Push(
const Source& value) {
if(!m_filter(value)) {
return;
}
m_target->Push(value);
}
bool Printer::SPrintF_Line(LogLine& out_line, PCTSTR szFmt, const int* pParams)// filter and format the line
{
out_line.linestr.FormatV(szFmt, (va_list) pParams);
if( m_filter && !m_filter(out_line) )
return false;
return true;
}
void StackIterator::gotoNextFrameWithFilter()
{
ASSERT(m_frame.callFrame());
while (m_frame.callFrame()) {
gotoNextFrame();
if (!m_frame.callFrame() || !m_filter || !m_filter(&m_frame))
break;
}
m_frame.m_index++;
}
sample_t CallbackIIRFilterReader::filter()
{
return m_filter(this, m_data);
}
void EventsModel::applyFilters(bool fromCache)
{
if (fromCache)
{
beginResetModel();
items.clear();
for (QHash<DVRServer*,QList<EventData*> >::Iterator it = cachedEvents.begin(); it != cachedEvents.end(); ++it)
{
if (!m_filter.sources.isEmpty() && !m_filter.sources.contains(it.key()))
continue;
for (QList<EventData*>::Iterator eit = it->begin(); eit != it->end(); ++eit)
{
if (m_filter(*eit))
items.append(*eit);
}
}
bool block = blockSignals(true);
resort();
blockSignals(block);
endResetModel();
}
else
{
/* Group contiguous removed rows together; provides a significant boost in performance */
int removeFirst = -1;
for (int i = 0; ; ++i)
{
if (i < items.size() && !m_filter(items[i]))
{
if (removeFirst < 0)
removeFirst = i;
}
else if (removeFirst >= 0)
{
beginRemoveRows(QModelIndex(), removeFirst, i-1);
items.erase(items.begin()+removeFirst, items.begin()+i);
i = removeFirst;
removeFirst = -1;
endRemoveRows();
}
if (i == items.size())
break;
}
#if 0
/* Experimental concurrent implementation; would later be extended to be nonblocking */
QList<EventData*> newItems = QtConcurrent::blockingFiltered(items, m_filter);
int oFirstRemove = -1;
for (int oI = 0, nI = 0; oI < items.size(); ++oI)
{
if (nI >= newItems.size())
{
if (oFirstRemove < 0)
oFirstRemove = oI;
beginRemoveRows(QModelIndex(), oFirstRemove, items.size()-1);
items.erase(items.begin()+oFirstRemove, items.end());
endRemoveRows();
break;
}
if (oFirstRemove < 0 && items[oI] != newItems[nI])
oFirstRemove = oI;
else if (oFirstRemove >= 0 && items[oI] == newItems[nI])
{
beginRemoveRows(QModelIndex(), oFirstRemove, oI-1);
items.erase(items.begin()+oFirstRemove, items.begin()+oI);
oI = oFirstRemove;
oFirstRemove = -1;
endRemoveRows();
}
if (oFirstRemove < 0)
{
++nI;
}
}
#endif
}
emit filtersChanged();
}
