@NotNull
@Override
public PsiReference[] getReferencesByElement(
@NotNull PsiElement element, @NotNull ProcessingContext context) {
if (XmlSchemaTagsProcessor.PROCESSING_FLAG.get() != null || context.get(SUPPRESS) != null) {
return PsiReference.EMPTY_ARRAY;
}
@SuppressWarnings("unchecked")
PsiElement host = getHost((T) element);
if (host instanceof PsiLanguageInjectionHost
&& InjectedLanguageUtil.hasInjections((PsiLanguageInjectionHost) host)) {
return PsiReference.EMPTY_ARRAY;
}
String unquotedValue = ElementManipulators.getValueText(element);
if (XmlHighlightVisitor.skipValidation(element)
|| !XmlUtil.isSimpleValue(unquotedValue, element)) {
return PsiReference.EMPTY_ARRAY;
}
@SuppressWarnings("unchecked")
final Object descriptor = getDescriptor((T) element);
if (descriptor instanceof XmlEnumerationDescriptor) {
XmlEnumerationDescriptor enumerationDescriptor = (XmlEnumerationDescriptor) descriptor;
if (enumerationDescriptor.isFixed()
|| enumerationDescriptor.isEnumerated((XmlElement) element)) {
//noinspection unchecked
return enumerationDescriptor.getValueReferences((XmlElement) element, unquotedValue);
} else if (unquotedValue.equals(
enumerationDescriptor.getDefaultValue())) { // todo case insensitive
return ContainerUtil.map2Array(
enumerationDescriptor.getValueReferences((XmlElement) element, unquotedValue),
PsiReference.class,
reference -> PsiDelegateReference.createSoft(reference, true));
}
}
return PsiReference.EMPTY_ARRAY;
}
@Override
protected void checkTag(
@NotNull final XmlTag tag, @NotNull final ProblemsHolder holder, final boolean isOnTheFly) {
if (!(tag instanceof HtmlTag)
|| !XmlHighlightVisitor.shouldBeValidated(tag)
|| isInSpecialHtml5Namespace(tag)) {
return;
}
XmlElementDescriptor descriptorFromContext = XmlUtil.getDescriptorFromContext(tag);
PsiElement parent = tag.getParent();
XmlElementDescriptor parentDescriptor =
parent instanceof XmlTag ? ((XmlTag) parent).getDescriptor() : null;
XmlElementDescriptor ownDescriptor =
isAbstractDescriptor(descriptorFromContext) ? tag.getDescriptor() : descriptorFromContext;
if (isAbstractDescriptor(ownDescriptor)
|| (parentDescriptor instanceof HtmlElementDescriptorImpl
&& ownDescriptor instanceof HtmlElementDescriptorImpl
&& isAbstractDescriptor(descriptorFromContext))) {
final String name = tag.getName();
if (!isCustomValuesEnabled() || !isCustomValue(name)) {
final AddCustomTagOrAttributeIntentionAction action =
new AddCustomTagOrAttributeIntentionAction(
TAG_KEY, name, XmlEntitiesInspection.UNKNOWN_TAG);
// todo: support "element is not allowed" message for html5
// some tags in html5 cannot be found in xhtml5.xsd if they are located in incorrect
// context, so they get any-element descriptor (ex. "canvas: tag)
final String message =
isAbstractDescriptor(ownDescriptor)
? XmlErrorMessages.message("unknown.html.tag", name)
: XmlErrorMessages.message("element.is.not.allowed.here", name);
final PsiElement startTagName = XmlTagUtil.getStartTagNameElement(tag);
assert startTagName != null;
final PsiElement endTagName = XmlTagUtil.getEndTagNameElement(tag);
List<LocalQuickFix> quickfixes = new ArrayList<LocalQuickFix>();
quickfixes.add(action);
if (isOnTheFly) {
ContainerUtil.addIfNotNull(
CreateNSDeclarationIntentionFix.createFix(startTagName, ""), quickfixes);
}
if (HtmlUtil.isHtml5Tag(name) && !HtmlUtil.hasNonHtml5Doctype(tag)) {
quickfixes.add(new SwitchToHtml5WithHighPriorityAction());
}
ProblemHighlightType highlightType =
tag.getContainingFile().getContext() == null
? ProblemHighlightType.GENERIC_ERROR_OR_WARNING
: ProblemHighlightType.INFORMATION;
if (startTagName.getTextLength() > 0) {
holder.registerProblem(
startTagName,
message,
highlightType,
quickfixes.toArray(new LocalQuickFix[quickfixes.size()]));
}
if (endTagName != null) {
holder.registerProblem(
endTagName,
message,
highlightType,
quickfixes.toArray(new LocalQuickFix[quickfixes.size()]));
}
}
}
}