@SuppressWarnings("unchecked")
private static <E extends ArrangementEntry> void doArrange(
@NotNull List<ArrangementEntryWrapper<E>> wrappers, @NotNull Context<E> context) {
if (wrappers.isEmpty()) {
return;
}
Map<E, ArrangementEntryWrapper<E>> map = ContainerUtilRt.newHashMap();
List<E> arranged = ContainerUtilRt.newArrayList();
List<E> toArrange = ContainerUtilRt.newArrayList();
for (ArrangementEntryWrapper<E> wrapper : wrappers) {
E entry = wrapper.getEntry();
map.put(wrapper.getEntry(), wrapper);
if (!entry.canBeMatched()) {
// Split entries to arrange by 'can not be matched' rules.
// See IDEA-104046 for a problem use-case example.
if (toArrange.isEmpty()) {
arranged.addAll(arrange(toArrange, context.rules, context.rulesByPriority));
}
arranged.add(entry);
toArrange.clear();
} else {
toArrange.add(entry);
}
}
if (!toArrange.isEmpty()) {
arranged.addAll(arrange(toArrange, context.rules, context.rulesByPriority));
}
context.changer.prepare(wrappers, context);
// We apply changes from the last position to the first position in order not to bother with
// offsets shifts.
for (int i = arranged.size() - 1; i >= 0; i--) {
ArrangementEntryWrapper<E> arrangedWrapper = map.get(arranged.get(i));
ArrangementEntryWrapper<E> initialWrapper = wrappers.get(i);
context.changer.replace(
arrangedWrapper, initialWrapper, i > 0 ? map.get(arranged.get(i - 1)) : null, context);
}
}
@NotNull
private List<AnnotationData> collectExternalAnnotations(@NotNull PsiModifierListOwner listOwner) {
if (!hasAnyAnnotationsRoots()) return Collections.emptyList();
List<AnnotationData> cached;
while (true) {
cached = (List<AnnotationData>) cache.get(listOwner);
if (cached == NO_DATA || !cached.isEmpty()) return cached;
List<AnnotationData> computed = doCollect(listOwner, false);
if (cache.replace(listOwner, cached, computed)) {
cached = computed;
break;
}
}
return cached;
}
@Override
@Nullable
public PsiAnnotation[] findExternalAnnotations(@NotNull final PsiModifierListOwner listOwner) {
final List<AnnotationData> result = collectExternalAnnotations(listOwner);
return result.isEmpty()
? null
: ContainerUtil.map2Array(
result,
PsiAnnotation.EMPTY_ARRAY,
new Function<AnnotationData, PsiAnnotation>() {
@Override
public PsiAnnotation fun(AnnotationData data) {
return data.getAnnotation(BaseExternalAnnotationsManager.this);
}
});
}