private void doFix() throws IncorrectOperationException {
final XmlTag tag = PsiTreeUtil.getParentOfType(myReference.getElement(), XmlTag.class);
assert tag != null;
final XmlTag defineTag =
tag.createChildTag("define", ApplicationLoader.RNG_NAMESPACE, "\n \n", false);
defineTag.setAttribute("name", myReference.getCanonicalText());
final RngGrammar grammar = ((DefinitionReference) myReference).getScope();
if (grammar == null) return;
final XmlTag root = grammar.getXmlTag();
if (root == null) return;
final XmlTag[] tags = root.getSubTags();
for (XmlTag xmlTag : tags) {
if (PsiTreeUtil.isAncestor(xmlTag, tag, false)) {
final XmlElementFactory ef = XmlElementFactory.getInstance(tag.getProject());
final XmlText text = ef.createDisplayText(" ");
final PsiElement e = root.addAfter(text, xmlTag);
root.addAfter(defineTag, e);
return;
}
}
root.add(defineTag);
}
private boolean isAvailable() {
if (!(myReference instanceof DefinitionReference) || !myReference.getElement().isValid()) {
return false;
} else {
final RngGrammar grammar = ((DefinitionReference) myReference).getScope();
if (grammar == null) {
return false;
} else if (grammar.getXmlTag() == null) {
return false;
}
return true;
}
}
public void visitXmlTag(XmlTag tag) {
final PsiFile file = tag.getContainingFile();
if (file.getFileType() != StdFileTypes.XML) {
return;
}
if (!tag.getLocalName().equals("define")) {
return;
}
if (!tag.getNamespace().equals(ApplicationLoader.RNG_NAMESPACE)) {
return;
}
if (tag.getAttribute("combine") != null) {
return; // ?
}
final XmlAttribute attr = tag.getAttribute("name");
if (attr == null) return;
final XmlAttributeValue value = attr.getValueElement();
if (value == null) return;
final String s = value.getValue();
if (s == null || s.length() == 0) {
return;
}
final PsiElement parent = value.getParent();
if (!(parent instanceof XmlAttribute)) {
return;
}
if (!"name".equals(((XmlAttribute) parent).getName())) {
return;
}
final PsiElement grandParent = parent.getParent();
if (!(grandParent instanceof XmlTag)) {
return;
}
final DomElement element = DomManager.getDomManager(tag.getProject()).getDomElement(tag);
if (element == null) {
return;
}
final RngGrammar rngGrammar = element.getParentOfType(RngGrammar.class, true);
if (rngGrammar != null) {
if (processUsages(tag, value, new LocalSearchScope(rngGrammar.getXmlTag()))) return;
} else {
if (processUsages(tag, value, new LocalSearchScope(file))) return;
}
final PsiElementProcessor.CollectElements<XmlFile> collector =
new PsiElementProcessor.CollectElements<XmlFile>();
RelaxIncludeIndex.processBackwardDependencies((XmlFile) file, collector);
if (processUsages(tag, value, new LocalSearchScope(collector.toArray()))) return;
myHolder.registerProblem(
value,
"Unreferenced define",
ProblemHighlightType.LIKE_UNUSED_SYMBOL,
new MyFix<XmlTag>(tag));
}
