public Object[] get(final PsiElement context, CompletionContext completionContext) { XmlFile containingFile = null; XmlFile descriptorFile = null; final XmlTag tag = PsiTreeUtil.getParentOfType(context, XmlTag.class); if (tag != null) { containingFile = (XmlFile) tag.getContainingFile(); descriptorFile = findDescriptorFile(tag, containingFile); } else { final XmlDocument document = PsiTreeUtil.getParentOfType(context, XmlDocument.class); if (document != null) { containingFile = (XmlFile) document.getContainingFile(); final FileType ft = containingFile.getFileType(); if (ft != StdFileTypes.XML) { final String namespace = ft == StdFileTypes.XHTML || ft == StdFileTypes.JSPX ? XmlUtil.XHTML_URI : XmlUtil.HTML_URI; final XmlNSDescriptor nsDescriptor = document.getDefaultNSDescriptor(namespace, true); if (nsDescriptor != null) { descriptorFile = nsDescriptor.getDescriptorFile(); } } } } if (descriptorFile != null) { final List<Object> results = new ArrayList<Object>(); final boolean acceptSystemEntities = containingFile.getFileType() == StdFileTypes.XML; final PsiElementProcessor processor = new PsiElementProcessor() { public boolean execute(@NotNull final PsiElement element) { if (element instanceof XmlEntityDecl) { final XmlEntityDecl xmlEntityDecl = (XmlEntityDecl) element; if (xmlEntityDecl.isInternalReference() || acceptSystemEntities) { final String name = xmlEntityDecl.getName(); final Object _item = getLookupItem(xmlEntityDecl); results.add(_item == null ? name : _item); } } return true; } }; XmlUtil.processXmlElements(descriptorFile, processor, true); if (descriptorFile != containingFile && containingFile.getFileType() == StdFileTypes.XML) { final XmlProlog element = containingFile.getDocument().getProlog(); if (element != null) XmlUtil.processXmlElements(element, processor, true); } return ArrayUtil.toObjectArray(results); } return ArrayUtil.EMPTY_OBJECT_ARRAY; }
@NotNull private static XmlFileHeader calcXmlFileHeader(final XmlFile file) { if (file instanceof PsiFileEx && ((PsiFileEx) file).isContentsLoaded() && file.getNode().isParsed()) { return computeHeaderByPsi(file); } if (!XmlUtil.isStubBuilding() && file.getFileType() == XmlFileType.INSTANCE) { VirtualFile virtualFile = file.getVirtualFile(); if (virtualFile instanceof VirtualFileWithId) { ObjectStubTree tree = StubTreeLoader.getInstance().readFromVFile(file.getProject(), virtualFile); if (tree != null) { Stub root = tree.getRoot(); if (root instanceof FileStub) { return ((FileStub) root).getHeader(); } } } } if (!file.isValid()) return XmlFileHeader.EMPTY; return NanoXmlUtil.parseHeader(file); }