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#include "events_ds.h"
#include <type_traits>
void EventsDS::remove(EventID event_id)
{
const auto& event_info = id_to_info.get(event_id);
if (event_info.type == Event::Type::SampleEvent)
{
auto& sample_events = channel_data_array[event_info.ch].sample_events;
auto& event = sample_events[event_info.channel_event_index];
auto& ids = id_to_group_data.get(event.group_id).event_ids;
ids.erase(std::remove(ids.begin(), ids.end(), event_id), ids.end());
if (id_to_group_data.get(event.group_id).event_ids.empty())
{
removeGroup(event.group_id, event.instrument_id);
}
auto& swap_element = sample_events.back();
id_to_info.get(swap_element.id).channel_event_index = event_info.channel_event_index;
event = swap_element;
sample_events.pop_back();
}
id_to_info.remove(event_id);
}
Event* EventsDS::get(EventID event_id)
{
auto const& info = id_to_info.get(event_id);
switch (info.type)
{
case Event::Type::SampleEvent:
return &getSample<SampleEvent>(info);
default:
assert(false);
}
}
std::size_t EventsDS::numberOfEvents(channel_t ch) const
{
auto& channel_data = channel_data_array[ch];
return channel_data.sample_events.size();
}
const EventGroupIDs& EventsDS::getSampleEventGroupIDsOf(InstrumentID instrument_id) const
{
return instruments_sample_event_group_ids[instrument_id];
}
const EventIDs& EventsDS::getEventIDsOf(EventGroupID event_group_id) const
{
return id_to_group_data.get(event_group_id).event_ids;
}
void EventsDS::startAddingNewGroup(InstrumentID instrument_id)
{
if (current_group_id.valid() && id_to_group_data.get(current_group_id).event_ids.empty())
{
removeGroup(current_group_id, current_groups_instrument_id);
}
current_group_id = id_to_group_data.emplace();
if (instrument_id.valid())
{
current_groups_instrument_id = instrument_id;
auto& group_ids = instruments_sample_event_group_ids[instrument_id];
group_ids.push_back(current_group_id);
id_to_group_data.get(current_group_id).instrument_index = group_ids.size() - 1;
}
else
{
current_groups_instrument_id.invalidate();
}
}
void EventsDS::removeGroup(EventGroupID group_id, InstrumentID instrument_id)
{
if (group_id == current_group_id)
{
current_group_id.invalidate();
current_groups_instrument_id.invalidate();
}
if (instrument_id.valid())
{
auto instrument_index = id_to_group_data.get(group_id).instrument_index;
auto& ids = instruments_sample_event_group_ids[instrument_id];
id_to_group_data.get(ids.back()).instrument_index = instrument_index;
ids[instrument_index] = ids.back();
ids.pop_back();
}
id_to_group_data.remove(group_id);
}
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