/**
* intersection may spread over several injected fragments
*
* @param rangeToEdit range in encoded(raw) PSI
* @return list of ranges in encoded (raw) PSI
*/
@Override
@SuppressWarnings({"ConstantConditions", "unchecked"})
@NotNull
public List<TextRange> intersectWithAllEditableFragments(
@NotNull PsiFile injectedPsi, @NotNull TextRange rangeToEdit) {
Place shreds = InjectedLanguageUtil.getShreds(injectedPsi);
if (shreds == null) return Collections.emptyList();
Object result = null; // optimization: TextRange or ArrayList
int count = 0;
int offset = 0;
for (PsiLanguageInjectionHost.Shred shred : shreds) {
TextRange encodedRange =
TextRange.from(
offset + shred.getPrefix().length(), shred.getRangeInsideHost().getLength());
TextRange intersection = encodedRange.intersection(rangeToEdit);
if (intersection != null) {
count++;
if (count == 1) {
result = intersection;
} else if (count == 2) {
TextRange range = (TextRange) result;
if (range.isEmpty()) {
result = intersection;
count = 1;
} else if (intersection.isEmpty()) {
count = 1;
} else {
List<TextRange> list = new ArrayList<TextRange>();
list.add(range);
list.add(intersection);
result = list;
}
} else if (intersection.isEmpty()) {
count--;
} else {
((List<TextRange>) result).add(intersection);
}
}
offset +=
shred.getPrefix().length()
+ shred.getRangeInsideHost().getLength()
+ shred.getSuffix().length();
}
return count == 0
? Collections.<TextRange>emptyList()
: count == 1 ? Collections.singletonList((TextRange) result) : (List<TextRange>) result;
}
private boolean addInjectedPsiHighlights(
@NotNull PsiFile injectedPsi,
TextAttributes injectedAttributes,
@NotNull Collection<HighlightInfo> outInfos,
@NotNull ProgressIndicator progress,
@NotNull InjectedLanguageManager injectedLanguageManager) {
DocumentWindow documentWindow =
(DocumentWindow) PsiDocumentManager.getInstance(myProject).getCachedDocument(injectedPsi);
if (documentWindow == null) return true;
Place places = InjectedLanguageUtil.getShreds(injectedPsi);
for (PsiLanguageInjectionHost.Shred place : places) {
PsiLanguageInjectionHost host = place.getHost();
if (host == null) continue;
TextRange textRange =
place.getRangeInsideHost().shiftRight(host.getTextRange().getStartOffset());
if (textRange.isEmpty()) continue;
String desc = injectedPsi.getLanguage().getDisplayName() + ": " + injectedPsi.getText();
HighlightInfo.Builder builder =
HighlightInfo.newHighlightInfo(HighlightInfoType.INJECTED_LANGUAGE_BACKGROUND)
.range(textRange);
if (injectedAttributes != null && InjectedLanguageUtil.isHighlightInjectionBackground(host)) {
builder.textAttributes(injectedAttributes);
}
builder.unescapedToolTip(desc);
HighlightInfo info = builder.createUnconditionally();
info.setFromInjection(true);
outInfos.add(info);
}
HighlightInfoHolder holder = createInfoHolder(injectedPsi);
runHighlightVisitorsForInjected(injectedPsi, holder, progress);
for (int i = 0; i < holder.size(); i++) {
HighlightInfo info = holder.get(i);
final int startOffset = documentWindow.injectedToHost(info.startOffset);
final TextRange fixedTextRange = getFixedTextRange(documentWindow, startOffset);
addPatchedInfos(
info, injectedPsi, documentWindow, injectedLanguageManager, fixedTextRange, outInfos);
}
int injectedStart = holder.size();
highlightInjectedSyntax(injectedPsi, holder);
for (int i = injectedStart; i < holder.size(); i++) {
HighlightInfo info = holder.get(i);
final int startOffset = info.startOffset;
final TextRange fixedTextRange = getFixedTextRange(documentWindow, startOffset);
if (fixedTextRange == null) {
info.setFromInjection(true);
outInfos.add(info);
} else {
HighlightInfo patched =
new HighlightInfo(
info.forcedTextAttributes,
info.forcedTextAttributesKey,
info.type,
fixedTextRange.getStartOffset(),
fixedTextRange.getEndOffset(),
info.getDescription(),
info.getToolTip(),
info.type.getSeverity(null),
info.isAfterEndOfLine(),
null,
false,
0,
info.getProblemGroup(),
info.getGutterIconRenderer());
patched.setFromInjection(true);
outInfos.add(patched);
}
}
if (!isDumbMode()) {
List<HighlightInfo> todos = new ArrayList<HighlightInfo>();
highlightTodos(
injectedPsi,
injectedPsi.getText(),
0,
injectedPsi.getTextLength(),
progress,
myPriorityRange,
todos,
todos);
for (HighlightInfo info : todos) {
addPatchedInfos(info, injectedPsi, documentWindow, injectedLanguageManager, null, outInfos);
}
}
advanceProgress(1);
return true;
}
private static Pair<Set<String>, Set<TextWithImports>> findReferencedVars(
Set<String> visibleVars, SourcePosition position) {
final int line = position.getLine();
if (line < 0) {
return Pair.create(Collections.<String>emptySet(), Collections.<TextWithImports>emptySet());
}
final PsiFile positionFile = position.getFile();
if (!positionFile.getLanguage().isKindOf(JavaLanguage.INSTANCE)) {
return Pair.create(visibleVars, Collections.<TextWithImports>emptySet());
}
final VirtualFile vFile = positionFile.getVirtualFile();
final Document doc =
vFile != null ? FileDocumentManager.getInstance().getDocument(vFile) : null;
if (doc == null || doc.getLineCount() == 0 || line > (doc.getLineCount() - 1)) {
return Pair.create(Collections.<String>emptySet(), Collections.<TextWithImports>emptySet());
}
final TextRange limit = calculateLimitRange(positionFile, doc, line);
int startLine = Math.max(limit.getStartOffset(), line - 1);
startLine = Math.min(startLine, limit.getEndOffset());
while (startLine > limit.getStartOffset() && shouldSkipLine(positionFile, doc, startLine)) {
startLine--;
}
final int startOffset = doc.getLineStartOffset(startLine);
int endLine = Math.min(line + 2, limit.getEndOffset());
while (endLine < limit.getEndOffset() && shouldSkipLine(positionFile, doc, endLine)) {
endLine++;
}
final int endOffset = doc.getLineEndOffset(endLine);
final TextRange lineRange = new TextRange(startOffset, endOffset);
if (!lineRange.isEmpty()) {
final int offset =
CharArrayUtil.shiftForward(doc.getCharsSequence(), doc.getLineStartOffset(line), " \t");
PsiElement element = positionFile.findElementAt(offset);
if (element != null) {
PsiMethod method = PsiTreeUtil.getNonStrictParentOfType(element, PsiMethod.class);
if (method != null) {
element = method;
} else {
PsiField field = PsiTreeUtil.getNonStrictParentOfType(element, PsiField.class);
if (field != null) {
element = field;
} else {
final PsiClassInitializer initializer =
PsiTreeUtil.getNonStrictParentOfType(element, PsiClassInitializer.class);
if (initializer != null) {
element = initializer;
}
}
}
//noinspection unchecked
if (element instanceof PsiCompiledElement) {
return Pair.create(visibleVars, Collections.<TextWithImports>emptySet());
} else {
VariablesCollector collector =
new VariablesCollector(visibleVars, adjustRange(element, lineRange));
element.accept(collector);
return Pair.create(collector.getVars(), collector.getExpressions());
}
}
}
return Pair.create(Collections.<String>emptySet(), Collections.<TextWithImports>emptySet());
}