@NotNull
private static List<DiagnosticDescriptor> getSortedDiagnosticDescriptors(
@NotNull Collection<Diagnostic> diagnostics) {
LinkedListMultimap<TextRange, Diagnostic> diagnosticsGroupedByRanges =
LinkedListMultimap.create();
for (Diagnostic diagnostic : diagnostics) {
if (!diagnostic.isValid()) continue;
for (TextRange textRange : diagnostic.getTextRanges()) {
diagnosticsGroupedByRanges.put(textRange, diagnostic);
}
}
List<DiagnosticDescriptor> diagnosticDescriptors = Lists.newArrayList();
for (TextRange range : diagnosticsGroupedByRanges.keySet()) {
diagnosticDescriptors.add(
new DiagnosticDescriptor(
range.getStartOffset(), range.getEndOffset(), diagnosticsGroupedByRanges.get(range)));
}
Collections.sort(
diagnosticDescriptors,
new Comparator<DiagnosticDescriptor>() {
@Override
public int compare(@NotNull DiagnosticDescriptor d1, @NotNull DiagnosticDescriptor d2) {
// Start early -- go first; start at the same offset, the one who end later is the
// outer, i.e. goes first
return (d1.start != d2.start) ? d1.start - d2.start : d2.end - d1.end;
}
});
return diagnosticDescriptors;
}
private static void unexpectedDiagnostics(
List<Diagnostic> actual, DiagnosticDiffCallbacks callbacks) {
for (Diagnostic diagnostic : actual) {
List<TextRange> textRanges = diagnostic.getTextRanges();
for (TextRange textRange : textRanges) {
callbacks.unexpectedDiagnostic(
TextDiagnostic.asTextDiagnostic(diagnostic),
textRange.getStartOffset(),
textRange.getEndOffset());
}
}
}
@Override
public int compare(@NotNull Diagnostic o1, @NotNull Diagnostic o2) {
List<TextRange> ranges1 = o1.getTextRanges();
List<TextRange> ranges2 = o2.getTextRanges();
int minNumberOfRanges = ranges1.size() < ranges2.size() ? ranges1.size() : ranges2.size();
for (int i = 0; i < minNumberOfRanges; i++) {
TextRange range1 = ranges1.get(i);
TextRange range2 = ranges2.get(i);
int startOffset1 = range1.getStartOffset();
int startOffset2 = range2.getStartOffset();
if (startOffset1 != startOffset2) {
// Start early -- go first
return startOffset1 - range2.getStartOffset();
}
int endOffset1 = range1.getEndOffset();
int endOffset2 = range2.getEndOffset();
if (endOffset1 != endOffset2) {
// start at the same offset, the one who end later is the outer, i.e. goes first
return endOffset2 - endOffset1;
}
}
return ranges1.size() - ranges2.size();
}