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;
}
private static void fillFromSchema(PsiFile file, ElementNames names) {
if (!(file instanceof XmlFile)) return;
final XmlFile f = (XmlFile) file;
final XmlDocument d = f.getDocument();
if (d == null) return;
final XmlTag rootTag = d.getRootTag();
if (rootTag == null) return;
//noinspection unchecked
names.dependencies.add(new NSDeclTracker(rootTag));
try {
final Map<String, String> namespaceDeclarations = rootTag.getLocalNamespaceDeclarations();
final Collection<String> prefixes = namespaceDeclarations.keySet();
//noinspection unchecked
final Set<XmlElementDescriptor> history = new THashSet<XmlElementDescriptor>();
final XmlElementFactory ef = XmlElementFactory.getInstance(file.getProject());
int noSchemaNamespaces = 0;
for (String prefix : prefixes) {
final String namespace = namespaceDeclarations.get(prefix);
if (isIgnoredNamespace(prefix, namespace)) continue;
final XmlTag tag =
ef.createTagFromText("<dummy-tag xmlns='" + namespace + "' />", XMLLanguage.INSTANCE);
final XmlDocument document = PsiTreeUtil.getParentOfType(tag, XmlDocument.class);
final XmlNSDescriptor rootDescriptor = tag.getNSDescriptor(tag.getNamespace(), true);
if (rootDescriptor == null
|| (rootDescriptor instanceof XmlNSDescriptorImpl
&& ((XmlNSDescriptorImpl) rootDescriptor).getTag() == null)
|| !rootDescriptor.getDeclaration().isPhysical()) {
final QName any = QNameUtil.createAnyLocalName(namespace);
names.elementNames.add(any);
names.attributeNames.add(any);
noSchemaNamespaces++;
continue;
}
//noinspection unchecked
names.dependencies.add(rootDescriptor.getDescriptorFile());
final XmlElementDescriptor[] e = rootDescriptor.getRootElementsDescriptors(document);
for (XmlElementDescriptor descriptor : e) {
processElementDescriptors(descriptor, tag, names, history);
}
}
names.validateNames = names.elementNames.size() > noSchemaNamespaces;
// final QName any = QNameUtil.createAnyLocalName("");
// names.elementNames.add(any);
// names.attributeNames.add(any);
} catch (IncorrectOperationException e) {
Logger.getInstance(XsltContextProvider.class.getName()).error(e);
}
}
@Nullable
private XmlNSDescriptor getNSDescriptorFromMetaData(
@Nullable PsiMetaOwner metaOwner, boolean nonEmpty) {
if (metaOwner == null) return null;
XmlNSDescriptor descriptor = (XmlNSDescriptor) metaOwner.getMetaData();
if (descriptor == null) return null;
if (nonEmpty && descriptor.getRootElementsDescriptors(this).length == 0) {
return null;
}
return descriptor;
}
@Nullable
private <T> T processSchema(String schema, SchemaProcessor<T> processor) {
VirtualFile file = MavenSchemaProvider.getSchemaFile(schema);
PsiFile psiFile = PsiManager.getInstance(myProject).findFile(file);
if (!(psiFile instanceof XmlFile)) return null;
XmlFile xmlFile = (XmlFile) psiFile;
XmlDocument document = xmlFile.getDocument();
XmlNSDescriptor desc = (XmlNSDescriptor) document.getMetaData();
XmlElementDescriptor[] descriptors = desc.getRootElementsDescriptors(document);
return doProcessSchema(descriptors, null, processor, new THashSet<XmlElementDescriptor>());
}
public static XmlFile findDescriptorFile(final XmlTag tag, final XmlFile containingFile) {
final XmlElementDescriptor descriptor = tag.getDescriptor();
final XmlNSDescriptor nsDescriptor = descriptor != null ? descriptor.getNSDescriptor() : null;
XmlFile descriptorFile =
nsDescriptor != null
? nsDescriptor.getDescriptorFile()
: containingFile.getDocument().getProlog().getDoctype() != null ? containingFile : null;
if (nsDescriptor != null
&& (descriptorFile == null
|| descriptorFile.getName().equals(containingFile.getName() + ".dtd"))) {
descriptorFile = containingFile;
}
return descriptorFile;
}
@Nullable
protected XmlElementDescriptor computeElementDescriptor() {
for (XmlElementDescriptorProvider provider :
Extensions.getExtensions(XmlElementDescriptorProvider.EP_NAME)) {
XmlElementDescriptor elementDescriptor = provider.getDescriptor(this);
if (elementDescriptor != null) {
return elementDescriptor;
}
}
final String namespace = getNamespace();
if (XmlUtil.EMPTY_URI.equals(namespace)) { // nonqualified items
final XmlTag parent = getParentTag();
if (parent != null) {
final XmlElementDescriptor descriptor = parent.getDescriptor();
if (descriptor != null) {
XmlElementDescriptor fromParent = descriptor.getElementDescriptor(this, parent);
if (fromParent != null && !(fromParent instanceof AnyXmlElementDescriptor)) {
return fromParent;
}
}
}
}
XmlElementDescriptor elementDescriptor = null;
final XmlNSDescriptor nsDescriptor = getNSDescriptor(namespace, false);
LOG.debug(
"Descriptor for namespace "
+ namespace
+ " is "
+ (nsDescriptor != null ? nsDescriptor.getClass().getCanonicalName() : "NULL"));
if (nsDescriptor != null) {
if (!DumbService.getInstance(getProject()).isDumb()
|| DumbService.isDumbAware(nsDescriptor)) {
elementDescriptor = nsDescriptor.getElementDescriptor(this);
}
}
if (elementDescriptor == null) {
return XmlUtil.findXmlDescriptorByType(this);
}
return elementDescriptor;
}
private boolean isGeneratedFromDtd(XmlNSDescriptor defaultNSDescriptorInner) {
if (defaultNSDescriptorInner == null) {
return false;
}
XmlFile descriptorFile = defaultNSDescriptorInner.getDescriptorFile();
if (descriptorFile == null) {
return false;
}
@NonNls String otherName = XmlUtil.getContainingFile(this).getName() + ".dtd";
return descriptorFile.getName().equals(otherName);
}
@Nullable
private XmlNSDescriptor getNsDescriptorFormDocType(
final XmlDoctype doctype, final XmlFile containingFile, final boolean forHtml) {
XmlNSDescriptor descriptor = getNSDescriptorFromMetaData(doctype.getMarkupDecl(), true);
final String filePath = getFilePathForLogging(containingFile);
final String dtdUri = XmlUtil.getDtdUri(doctype);
LOG.debug(
"DTD url for doctype " + doctype.getText() + " in file " + filePath + " is " + dtdUri);
if (dtdUri != null && !dtdUri.isEmpty()) {
XmlFile xmlFile = XmlUtil.findNamespace(containingFile, dtdUri);
if (xmlFile == null) {
// try to auto-detect it
xmlFile = XmlNamespaceIndex.guessDtd(dtdUri, containingFile);
}
final String schemaFilePath = getFilePathForLogging(xmlFile);
LOG.debug("Schema file for " + filePath + " is " + schemaFilePath);
XmlNSDescriptor descriptorFromDtd =
getNSDescriptorFromMetaData(xmlFile == null ? null : xmlFile.getDocument(), forHtml);
LOG.debug(
"Descriptor from meta data for schema file "
+ schemaFilePath
+ " is "
+ (descriptorFromDtd != null
? descriptorFromDtd.getClass().getCanonicalName()
: "NULL"));
if (descriptor != null && descriptorFromDtd != null) {
descriptor =
new XmlNSDescriptorSequence(new XmlNSDescriptor[] {descriptor, descriptorFromDtd});
} else if (descriptorFromDtd != null) {
descriptor = descriptorFromDtd;
}
}
return descriptor;
}
private XmlNSDescriptor getDefaultNSDescriptorInner(
final String namespace, final boolean strict) {
final XmlFile containingFile = XmlUtil.getContainingFile(this);
if (containingFile == null) return null;
final XmlProlog prolog = getProlog();
final XmlDoctype doctype = prolog != null ? prolog.getDoctype() : null;
boolean dtdUriFromDocTypeIsNamespace = false;
if (XmlUtil.HTML_URI.equals(namespace)) {
XmlNSDescriptor nsDescriptor =
doctype != null ? getNsDescriptorFormDocType(doctype, containingFile, true) : null;
if (doctype != null) {
LOG.debug(
"Descriptor from doctype "
+ doctype
+ " is "
+ (nsDescriptor != null ? nsDescriptor.getClass().getCanonicalName() : "NULL"));
}
if (nsDescriptor == null) {
String htmlns =
ExternalResourceManagerEx.getInstanceEx().getDefaultHtmlDoctype(getProject());
if (htmlns.isEmpty()) {
htmlns = Html5SchemaProvider.getHtml5SchemaLocation();
}
nsDescriptor = getDefaultNSDescriptor(htmlns, false);
}
return new HtmlNSDescriptorImpl(nsDescriptor);
} else if (XmlUtil.XHTML_URI.equals(namespace)) {
String xhtmlNamespace = XmlUtil.getDefaultXhtmlNamespace(getProject());
if (xhtmlNamespace == null || xhtmlNamespace.isEmpty()) {
xhtmlNamespace = Html5SchemaProvider.getXhtml5SchemaLocation();
}
return getDefaultNSDescriptor(xhtmlNamespace, false);
} else if (namespace != null && namespace != XmlUtil.EMPTY_URI) {
if (doctype == null || !namespace.equals(XmlUtil.getDtdUri(doctype))) {
boolean documentIsSchemaThatDefinesNs =
namespace.equals(XmlUtil.getTargetSchemaNsFromTag(getRootTag()));
final XmlFile xmlFile =
documentIsSchemaThatDefinesNs
? containingFile
: XmlUtil.findNamespace(containingFile, namespace);
if (xmlFile != null) {
final XmlDocument document = xmlFile.getDocument();
if (document != null) {
return (XmlNSDescriptor) document.getMetaData();
}
}
} else {
dtdUriFromDocTypeIsNamespace = true;
}
}
if (strict && !dtdUriFromDocTypeIsNamespace) return null;
if (doctype != null) {
XmlNSDescriptor descr = getNsDescriptorFormDocType(doctype, containingFile, false);
if (descr != null) {
return XmlExtension.getExtension(containingFile)
.getDescriptorFromDoctype(containingFile, descr);
}
}
if (strict) return null;
if (namespace == XmlUtil.EMPTY_URI) {
final XmlFile xmlFile = XmlUtil.findNamespace(containingFile, namespace);
if (xmlFile != null) {
return (XmlNSDescriptor) xmlFile.getDocument().getMetaData();
}
}
try {
final PsiFile fileFromText =
PsiFileFactory.getInstance(getProject())
.createFileFromText(
containingFile.getName() + ".dtd",
DTDLanguage.INSTANCE,
XmlUtil.generateDocumentDTD(this, false),
false,
false);
if (fileFromText instanceof XmlFile) {
fileFromText.putUserData(AUTO_GENERATED, Boolean.TRUE);
return (XmlNSDescriptor) ((XmlFile) fileFromText).getDocument().getMetaData();
}
} catch (ProcessCanceledException ex) {
throw ex;
} catch (RuntimeException ignored) {
} // e.g. dtd isn't mapped to xml type
return null;
}