Function PrintSortedQueue

src/queue/Print.cxx:104–164

}

static void
PrintSortedQueue(Response &r, const Queue &queue,
		 const QueueSelection &selection)
{
	/* collect all matching songs */
	auto v = CollectQueue(queue, selection);

	auto window = selection.window;
	if (!window.CheckClip(v.size()))
		throw PlaylistError::BadRange();

	/* sort them */
	const auto sort = selection.sort;
	const auto descending = selection.descending;

	if (sort == TagType(SORT_TAG_LAST_MODIFIED))
		std::stable_sort(v.begin(), v.end(),
				 [&queue, descending](unsigned a_pos, unsigned b_pos){
					 if (descending)
						 std::swap(a_pos, b_pos);

					 const auto &a = queue.Get(a_pos);
					 const auto &b = queue.Get(b_pos);

					 return a.GetLastModified() < b.GetLastModified();
				 });
	else if (sort == TagType(SORT_TAG_ADDED))
		std::stable_sort(v.begin(), v.end(),
				 [&queue, descending](unsigned a_pos, unsigned b_pos){
					 if (descending)
						 std::swap(a_pos, b_pos);

					 const auto &a = queue.Get(a_pos);
					 const auto &b = queue.Get(b_pos);

					 return a.GetAdded() < b.GetAdded();
				 });
	else if (sort == TagType(SORT_TAG_PRIO))
		std::stable_sort(v.begin(), v.end(),
				 [&queue, descending](unsigned a_pos, unsigned b_pos){
					 if (descending)
						 std::swap(a_pos, b_pos);

					 return queue.GetPriorityAtPosition(a_pos) <
						 queue.GetPriorityAtPosition(b_pos);
				 });
	else
		std::stable_sort(v.begin(), v.end(),
				 [&queue, sort, descending](unsigned a_pos,
							    unsigned b_pos){
					 const auto &a = queue.Get(a_pos);
					 const auto &b = queue.Get(b_pos);

					 return CompareTags(sort, descending,
							    a.GetTag(),
							    b.GetTag());
				 });