public CMElementDeclaration getCMElementDeclaration(Element element) {
CMElementDeclaration result = null;
Document document = element.getOwnerDocument();
String[] doctypeInfo = getDoctypeInfo(document);
if (doctypeInfo != null) {
// we have detected doctype information so we assume that we can locate the
// CMElementDeclaration
// in the CMDocument's table of global elements
CMDocument cmDocument = getCorrespondingCMDocument(element, false);
// TODO... consider replacing above with
// CMDocument cmDocument = getCMDocument(document, doctypeInfo[0], doctypeInfo[1]);
if (cmDocument != null) {
result =
(CMElementDeclaration) cmDocument.getElements().getNamedItem(element.getNodeName());
// this is a hack to get our xsl code assist working... we might want to handle similar
// grammar behaviour via some established model query setting
if (result == null && getImplictDoctype(document) != null) {
Node parent = element.getParentNode();
if (parent != null && parent.getNodeType() == Node.ELEMENT_NODE) {
result = getCMElementDeclaration((Element) parent);
}
}
}
} else {
// here we use a namespaceTable to consider if the root element has any namespace information
//
NamespaceTable namespaceTable = new NamespaceTable(element.getOwnerDocument());
List list = NamespaceTable.getElementLineage(element);
Element rootElement = (Element) list.get(0);
namespaceTable.addElement(rootElement);
if (namespaceTable.isNamespaceEncountered()) {
// we assume that this is an XMLSchema style namespace aware document
result = getCMElementDeclaration(element, list, namespaceTable);
} else {
result = checkExternalSchema(element);
if (result == null) {
// we assume that this is an inferred CMDocument for a DTD style 'namespaceless' document
CMDocument cmDocument =
getCMDocument("", "", "DTD"); // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
if (cmDocument != null) {
result =
(CMElementDeclaration) cmDocument.getElements().getNamedItem(element.getNodeName());
}
}
}
}
return result;
}
protected CMElementDeclaration checkExternalSchema(Element element) {
final Document document = element.getOwnerDocument();
if (document instanceof IDOMDocument) {
final String baseLocation = ((IDOMDocument) document).getModel().getBaseLocation();
if (baseLocation != null) {
final IPath basePath = new Path(baseLocation);
IFile file = null;
if (basePath.segmentCount() > 1) {
file = ResourcesPlugin.getWorkspace().getRoot().getFile(basePath);
}
final URI uri =
(file == null || !file.isAccessible())
? new File(baseLocation).toURI()
: file.getLocationURI();
if (uri != null) {
IExternalSchemaLocationProvider[] providers =
ExternalSchemaLocationProviderRegistry.getInstance().getProviders();
for (int i = 0; i < providers.length; i++) {
long time = _trace ? System.currentTimeMillis() : 0;
final Map locations = providers[i].getExternalSchemaLocation(uri);
if (_trace) {
long diff = System.currentTimeMillis() - time;
if (diff > 250)
Logger.log(
Logger.INFO,
"Schema location provider took ["
+ diff
+ "ms] for URI ["
+ uri
+ "]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
if (locations != null && !locations.isEmpty()) {
Object location =
locations.get(IExternalSchemaLocationProvider.NO_NAMESPACE_SCHEMA_LOCATION);
if (location != null)
return getCMElementDeclaration(
element,
NamespaceTable.getElementLineage(element),
uri.toString(),
location.toString());
}
}
}
}
}
return null;
}
