private void checkAttribute(XmlAttribute attribute) {
XmlTag tag = attribute.getParent();
final String name = attribute.getName();
PsiElement prevLeaf = PsiTreeUtil.prevLeaf(attribute);
if (!(prevLeaf instanceof PsiWhiteSpace)) {
TextRange textRange = attribute.getTextRange();
addToResults(
HighlightInfo.createHighlightInfo(
tag instanceof HtmlTag ? HighlightInfoType.WARNING : HighlightInfoType.ERROR,
textRange.getStartOffset(),
textRange.getStartOffset(),
XmlErrorMessages.message("attribute.should.be.preceded.with.space")));
}
if (attribute.isNamespaceDeclaration()) {
checkReferences(attribute.getValueElement());
return;
}
final String namespace = attribute.getNamespace();
if (XmlUtil.XML_SCHEMA_INSTANCE_URI.equals(namespace)) {
checkReferences(attribute.getValueElement());
return;
}
XmlElementDescriptor elementDescriptor = tag.getDescriptor();
if (elementDescriptor == null
|| elementDescriptor instanceof AnyXmlElementDescriptor
|| ourDoJaxpTesting) {
return;
}
XmlAttributeDescriptor attributeDescriptor =
elementDescriptor.getAttributeDescriptor(attribute);
if (attributeDescriptor == null) {
if (!XmlUtil.attributeFromTemplateFramework(name, tag)) {
final String localizedMessage =
XmlErrorMessages.message("attribute.is.not.allowed.here", name);
final HighlightInfo highlightInfo =
reportAttributeProblem(tag, name, attribute, localizedMessage);
if (highlightInfo != null) {
final XmlFile xmlFile = (XmlFile) tag.getContainingFile();
if (xmlFile != null) {
XmlExtension.getExtension(xmlFile).createAddAttributeFix(attribute, highlightInfo);
}
}
}
} else {
checkDuplicateAttribute(tag, attribute);
if (tag instanceof HtmlTag
&& attribute.getValueElement() == null
&& !HtmlUtil.isSingleHtmlAttribute(name)) {
final String localizedMessage =
XmlErrorMessages.message("empty.attribute.is.not.allowed", name);
reportAttributeProblem(tag, name, attribute, localizedMessage);
}
// we skip resolve of attribute references since there is separate check when taking attribute
// descriptors
PsiReference[] attrRefs = attribute.getReferences();
doCheckRefs(attribute, attrRefs, attribute.getNamespacePrefix().length() > 0 ? 2 : 1);
}
}
