/**
* This method returns a list of CMDocumentReferences associated with a particular node or subtree
*/
public List getCMDocumentReferences(Node node, boolean deep) {
List result = new ArrayList();
Document document =
(node.getNodeType() == Node.DOCUMENT_NODE) ? (Document) node : node.getOwnerDocument();
DocumentType doctype = document.getDoctype();
// defect 206833 ... here we test for DTDs that are declared inline
// since we currently have no way of making use of inline DTDs we ingore them
// so that the implict DTD (if any) can be used
if (doctype != null && (doctype.getPublicId() != null || doctype.getSystemId() != null)) {
String uri = resolveGrammarURI(document, doctype.getPublicId(), doctype.getSystemId());
result.add(new CMDocumentReferenceImpl(doctype.getPublicId(), uri));
} else if (getImplictDoctype(document) != null) {
String[] implicitDoctype = getImplictDoctype(document);
String uri = resolveGrammarURI(document, implicitDoctype[0], implicitDoctype[1]);
result.add(new CMDocumentReferenceImpl(implicitDoctype[0], uri));
} else {
NamespaceTable namespaceTable = new NamespaceTable(document);
if (node.getNodeType() == Node.ELEMENT_NODE) {
namespaceTable.addElement((Element) node);
}
if (deep) {
addChildElementsToNamespaceTable(node, namespaceTable);
}
List list = namespaceTable.getNamespaceInfoList();
for (Iterator i = list.iterator(); i.hasNext(); ) {
NamespaceInfo info = (NamespaceInfo) i.next();
String uri = resolveGrammarURI(document, info.uri, info.locationHint);
result.add(new CMDocumentReferenceImpl(info.uri, uri));
}
}
return result;
}
/**
* Returns the namespace prefix for the given URI.
*
* @param doc document object model of the XML source file
* @param namespaceUri namespace URI to examine
* @return namespace prefix for the given URI
*/
public static String getPrefixForNamespaceUri(IDOMDocument doc, String namespaceUri) {
if (doc != null && namespaceUri != null) {
NamespaceTable table = new NamespaceTable(doc);
Element elem = doc.getDocumentElement();
table.addElementLineage(elem);
return table.getPrefixForURI(namespaceUri);
}
return null;
}
public CMDocument getCMDocument(Element element, String uri) {
CMDocument result = null;
NamespaceTable namespaceTable = new NamespaceTable(element.getOwnerDocument());
namespaceTable.addElementLineage(element);
NamespaceInfo namespaceInfo = namespaceTable.getNamespaceInfoForURI(uri);
if (namespaceInfo != null) {
result = getCMDocument(namespaceInfo.uri, namespaceInfo.locationHint, "XSD"); // $NON-NLS-1$
}
return result;
}
protected CMElementDeclaration getCMElementDeclaration(
Element targetElement, List list, NamespaceTable namespaceTable) {
CMElementDeclaration currentED = null;
try {
int listSize = list.size();
for (int i = 0; i < listSize; i++) {
Element element = (Element) list.get(i);
if (i != 0) {
namespaceTable.addElement(element);
}
String nodeName = element.getNodeName();
String unprefixedName = DOMNamespaceHelper.getUnprefixedName(nodeName);
String prefix = DOMNamespaceHelper.getPrefix(nodeName);
CMElementDeclaration ed = null;
// see if the element is a local of the currentED
//
if (currentED != null) {
ed = (CMElementDeclaration) currentED.getLocalElements().getNamedItem(unprefixedName);
}
if (ed == null) {
NamespaceInfo namespaceInfo = namespaceTable.getNamespaceInfoForPrefix(prefix);
if (namespaceInfo != null) {
CMDocument cmDocument =
getCMDocument(namespaceInfo.uri, namespaceInfo.locationHint, "XSD"); // $NON-NLS-1$
if (cmDocument != null) {
ed = (CMElementDeclaration) cmDocument.getElements().getNamedItem(unprefixedName);
}
}
}
currentED = ed;
// handle XSIType
if (currentED != null) {
CMElementDeclaration derivedED =
getDerivedCMElementDeclaration(element, currentED, namespaceTable);
if (derivedED != null) {
currentED = derivedED;
}
}
}
} catch (Exception e) {
Logger.logException(
"exception locating element declaration for " + targetElement, e); // $NON-NLS-1$
}
return currentED;
}
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 getDerivedCMElementDeclaration(
Element element, CMElementDeclaration ed, NamespaceTable namespaceTable) {
CMElementDeclaration result = null;
String xsiPrefix =
namespaceTable.getPrefixForURI("http://www.w3.org/2001/XMLSchema-instance"); // $NON-NLS-1$
if (xsiPrefix != null) {
String xsiTypeValue = element.getAttribute(xsiPrefix + ":type"); // $NON-NLS-1$
if (xsiTypeValue != null && xsiTypeValue.length() > 0) {
String typePrefix = DOMNamespaceHelper.getPrefix(xsiTypeValue);
String typeName = DOMNamespaceHelper.getUnprefixedName(xsiTypeValue);
String typeURI = namespaceTable.getURIForPrefix(typePrefix);
String uriQualifiedTypeName = typeName;
if (typeURI != null && typeURI.length() > 0) {
uriQualifiedTypeName = "[" + typeURI + "]" + typeName; // $NON-NLS-1$ //$NON-NLS-2$
}
result =
(CMElementDeclaration)
ed.getProperty("DerivedElementDeclaration=" + uriQualifiedTypeName); // $NON-NLS-1$
if (result == null) {
String reference = null;
NamespaceInfo namespaceInfo = namespaceTable.getNamespaceInfoForPrefix(typePrefix);
if (namespaceInfo != null) {
String locationHint =
resolveGrammarURI(
element.getOwnerDocument(), namespaceInfo.uri, namespaceInfo.locationHint);
if (locationHint != null) {
reference = "[" + locationHint + "]" + typeName; // $NON-NLS-1$ //$NON-NLS-2$
}
}
if (reference != null) {
result =
(CMElementDeclaration)
ed.getProperty(
"ExternallyDerivedElementDeclaration=" + reference); // $NON-NLS-1$
}
}
}
}
return result;
}
protected void addChildElementsToNamespaceTable(Node node, NamespaceTable namespaceTable) {
NodeList nodeList = node.getChildNodes();
if (nodeList != null) {
int nodeListLength = nodeList.getLength();
for (int i = 0; i < nodeListLength; i++) {
Node childNode = nodeList.item(i);
if (childNode.getNodeType() == Node.ELEMENT_NODE) {
namespaceTable.addElement((Element) childNode);
addChildElementsToNamespaceTable(childNode, namespaceTable);
}
}
}
}
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;
}
