public static boolean hasCorrections(CompilationUnit cu, ErrorCode problemId, String markerType) {
List<ContributedProcessorDescriptor> processors = getCorrectionProcessors();
SafeHasCorrections collector = new SafeHasCorrections(cu, problemId);
for (ContributedProcessorDescriptor processorDescriptor : processors) {
if (processorDescriptor.canHandleMarkerType(markerType)) {
collector.process(processorDescriptor);
if (collector.hasCorrections()) {
return true;
}
}
}
return false;
}
private static IProblemLocation[] getHandledProblems(
IProblemLocation[] locations, ContributedProcessorDescriptor processor) {
// implementation tries to avoid creating a new array
boolean allHandled = true;
List<IProblemLocation> res = null;
for (int i = 0; i < locations.length; i++) {
IProblemLocation curr = locations[i];
if (processor.canHandleMarkerType(curr.getMarkerType())) {
if (!allHandled) { // first handled problem
if (res == null) {
res = Lists.newArrayListWithCapacity(locations.length - i);
}
res.add(curr);
}
} else if (allHandled) {
if (i > 0) { // first non handled problem
res = Lists.newArrayListWithCapacity(locations.length - i);
for (int k = 0; k < i; k++) {
res.add(locations[k]);
}
}
allHandled = false;
}
}
if (allHandled) {
return locations;
}
if (res == null) {
return null;
}
return res.toArray(new IProblemLocation[res.size()]);
}
@Override
public void safeRun(ContributedProcessorDescriptor desc) throws Exception {
IQuickFixProcessor processor =
(IQuickFixProcessor) desc.getProcessor(fCu, IQuickFixProcessor.class);
if (processor != null && processor.hasCorrections(fCu, fProblemId)) {
fHasCorrections = true;
}
}
@Override
public void safeRun(ContributedProcessorDescriptor desc) throws Exception {
IQuickAssistProcessor processor =
(IQuickAssistProcessor)
desc.getProcessor(fContext.getCompilationUnit(), IQuickAssistProcessor.class);
if (processor != null && processor.hasAssists(fContext)) {
fHasAssists = true;
}
}
private static List<ContributedProcessorDescriptor> getProcessorDescriptors(
String contributionId, boolean testMarkerTypes) {
IConfigurationElement[] elements =
Platform.getExtensionRegistry()
.getConfigurationElementsFor(DartUI.ID_PLUGIN, contributionId);
List<ContributedProcessorDescriptor> res = Lists.newArrayList();
for (IConfigurationElement element : elements) {
ContributedProcessorDescriptor desc =
new ContributedProcessorDescriptor(element, testMarkerTypes);
IStatus status = desc.checkSyntax();
if (status.isOK()) {
res.add(desc);
} else {
DartToolsPlugin.log(status);
}
}
return res;
}
@Override
public void safeRun(ContributedProcessorDescriptor desc) throws Exception {
IQuickAssistProcessor curr =
(IQuickAssistProcessor)
desc.getProcessor(fContext.getCompilationUnit(), IQuickAssistProcessor.class);
if (curr != null) {
IDartCompletionProposal[] res = curr.getAssists(fContext, fLocations);
if (res != null) {
for (int k = 0; k < res.length; k++) {
fProposals.add(res[k]);
}
}
}
}
