/** @author peter */
public abstract class AtomicNotNullLazyValue<T> extends NotNullLazyValue<T> {
private static final RecursionGuard ourGuard =
RecursionManager.createGuard("AtomicNotNullLazyValue");
private volatile T myValue;
@Override
@NotNull
public final T getValue() {
T value = myValue;
if (value != null) {
return value;
}
//noinspection SynchronizeOnThis
synchronized (this) {
value = myValue;
if (value == null) {
RecursionGuard.StackStamp stamp = ourGuard.markStack();
value = compute();
if (stamp.mayCacheNow()) {
myValue = value;
}
}
}
return value;
}
}
public class ResolveCache {
private static final Logger LOG =
Logger.getInstance("#com.intellij.psi.impl.source.resolve.ResolveCache");
@SuppressWarnings("unchecked")
private final ConcurrentMap[] myMaps =
new ConcurrentWeakKeySoftValueHashMap
[2 * 2 * 2]; // boolean physical, boolean incompleteCode, boolean isPoly
private final RecursionGuard myGuard = RecursionManager.createGuard("resolveCache");
public static ResolveCache getInstance(Project project) {
ProgressIndicatorProvider
.checkCanceled(); // We hope this method is being called often enough to cancel daemon
// processes smoothly
return ServiceManager.getService(project, ResolveCache.class);
}
public interface AbstractResolver<TRef extends PsiReference, TResult> {
TResult resolve(@NotNull TRef ref, boolean incompleteCode);
}
/** Resolver which returns array of possible resolved variants instead of just one */
public interface PolyVariantResolver<T extends PsiPolyVariantReference>
extends AbstractResolver<T, ResolveResult[]> {
@Override
@NotNull
ResolveResult[] resolve(@NotNull T t, boolean incompleteCode);
}
/**
* Poly variant resolver with additional containingFile parameter, which helps to avoid costly
* tree up traversal
*/
public interface PolyVariantContextResolver<T extends PsiPolyVariantReference> {
@NotNull
ResolveResult[] resolve(
@NotNull T ref, @NotNull PsiFile containingFile, boolean incompleteCode);
}
/** Resolver specialized to resolve PsiReference to PsiElement */
public interface Resolver extends AbstractResolver<PsiReference, PsiElement> {}
public ResolveCache(@NotNull MessageBus messageBus) {
for (int i = 0; i < myMaps.length; i++) {
myMaps[i] = createWeakMap();
}
messageBus
.connect()
.subscribe(
PsiManagerImpl.ANY_PSI_CHANGE_TOPIC,
new AnyPsiChangeListener.Adapter() {
@Override
public void beforePsiChanged(boolean isPhysical) {
clearCache(isPhysical);
}
});
}
@NotNull
private static <K, V> ConcurrentMap<K, V> createWeakMap() {
return new ConcurrentWeakKeySoftValueHashMap<K, V>(
100,
0.75f,
Runtime.getRuntime().availableProcessors(),
ContainerUtil.<K>canonicalStrategy()) {
@NotNull
@Override
protected ValueReference<K, V> createValueReference(
@NotNull final V value, @NotNull ReferenceQueue<V> queue) {
ValueReference<K, V> result;
if (value == NULL_RESULT || value instanceof Object[] && ((Object[]) value).length == 0) {
// no use in creating SoftReference to null
result = createStrongReference(value);
} else {
result = super.createValueReference(value, queue);
}
return result;
}
@Override
public V get(@NotNull Object key) {
V v = super.get(key);
return v == NULL_RESULT ? null : v;
}
};
}
public void clearCache(boolean isPhysical) {
int startIndex = isPhysical ? 0 : 1;
for (int i = startIndex; i < 2; i++)
for (int j = 0; j < 2; j++) for (int k = 0; k < 2; k++) myMaps[i * 4 + j * 2 + k].clear();
}
@Nullable
private <TRef extends PsiReference, TResult> TResult resolve(
@NotNull final TRef ref,
@NotNull final AbstractResolver<TRef, TResult> resolver,
boolean needToPreventRecursion,
final boolean incompleteCode,
boolean isPoly,
boolean isPhysical) {
ProgressIndicatorProvider.checkCanceled();
if (isPhysical) {
ApplicationManager.getApplication().assertReadAccessAllowed();
}
int index = getIndex(isPhysical, incompleteCode, isPoly);
ConcurrentMap<TRef, TResult> map = getMap(index);
TResult result = map.get(ref);
if (result != null) {
return result;
}
RecursionGuard.StackStamp stamp = myGuard.markStack();
result =
needToPreventRecursion
? myGuard.doPreventingRecursion(
Trinity.create(ref, incompleteCode, isPoly),
true,
new Computable<TResult>() {
@Override
public TResult compute() {
return resolver.resolve(ref, incompleteCode);
}
})
: resolver.resolve(ref, incompleteCode);
PsiElement element =
result instanceof ResolveResult ? ((ResolveResult) result).getElement() : null;
LOG.assertTrue(element == null || element.isValid(), result);
if (stamp.mayCacheNow()) {
cache(ref, map, result);
}
return result;
}
@NotNull
public <T extends PsiPolyVariantReference> ResolveResult[] resolveWithCaching(
@NotNull T ref,
@NotNull PolyVariantResolver<T> resolver,
boolean needToPreventRecursion,
boolean incompleteCode) {
return resolveWithCaching(
ref,
resolver,
needToPreventRecursion,
incompleteCode,
ref.getElement().getContainingFile());
}
@NotNull
public <T extends PsiPolyVariantReference> ResolveResult[] resolveWithCaching(
@NotNull T ref,
@NotNull PolyVariantResolver<T> resolver,
boolean needToPreventRecursion,
boolean incompleteCode,
@NotNull PsiFile containingFile) {
ResolveResult[] result =
resolve(
ref,
resolver,
needToPreventRecursion,
incompleteCode,
true,
containingFile.isPhysical());
return result == null ? ResolveResult.EMPTY_ARRAY : result;
}
@NotNull
public <T extends PsiPolyVariantReference> ResolveResult[] resolveWithCaching(
@NotNull final T ref,
@NotNull final PolyVariantContextResolver<T> resolver,
boolean needToPreventRecursion,
final boolean incompleteCode,
@NotNull final PsiFile containingFile) {
ProgressIndicatorProvider.checkCanceled();
ApplicationManager.getApplication().assertReadAccessAllowed();
int index = getIndex(containingFile.isPhysical(), incompleteCode, true);
ConcurrentMap<T, ResolveResult[]> map = getMap(index);
ResolveResult[] result = map.get(ref);
if (result != null) {
return result;
}
RecursionGuard.StackStamp stamp = myGuard.markStack();
result =
needToPreventRecursion
? myGuard.doPreventingRecursion(
Pair.create(ref, incompleteCode),
true,
new Computable<ResolveResult[]>() {
@Override
public ResolveResult[] compute() {
return resolver.resolve(ref, containingFile, incompleteCode);
}
})
: resolver.resolve(ref, containingFile, incompleteCode);
if (stamp.mayCacheNow()) {
cache(ref, map, result);
}
return result == null ? ResolveResult.EMPTY_ARRAY : result;
}
@Nullable
public <T extends PsiPolyVariantReference> ResolveResult[] getCachedResults(
@NotNull T ref, boolean physical, boolean incompleteCode, boolean isPoly) {
Map<T, ResolveResult[]> map = getMap(getIndex(physical, incompleteCode, isPoly));
return map.get(ref);
}
@Nullable
public <TRef extends PsiReference, TResult> TResult resolveWithCaching(
@NotNull TRef ref,
@NotNull AbstractResolver<TRef, TResult> resolver,
boolean needToPreventRecursion,
boolean incompleteCode) {
return resolve(
ref,
resolver,
needToPreventRecursion,
incompleteCode,
false,
ref.getElement().isPhysical());
}
@NotNull
private <TRef extends PsiReference, TResult> ConcurrentMap<TRef, TResult> getMap(int index) {
//noinspection unchecked
return myMaps[index];
}
private static int getIndex(boolean physical, boolean incompleteCode, boolean isPoly) {
return (physical ? 0 : 1) * 4 + (incompleteCode ? 0 : 1) * 2 + (isPoly ? 0 : 1);
}
private static final Object NULL_RESULT = new Object();
private <TRef extends PsiReference, TResult> void cache(
@NotNull TRef ref, @NotNull ConcurrentMap<TRef, TResult> map, TResult result) {
// optimization: less contention
TResult cached = map.get(ref);
if (cached != null && cached == result) {
return;
}
if (result == null) {
// no use in creating SoftReference to null
//noinspection unchecked
cached = (TResult) NULL_RESULT;
} else {
//noinspection unchecked
cached = result;
}
map.put(ref, cached);
}
@NotNull
private static <K, V> StrongValueReference<K, V> createStrongReference(@NotNull V value) {
return value == NULL_RESULT
? NULL_VALUE_REFERENCE
: value == ResolveResult.EMPTY_ARRAY
? EMPTY_RESOLVE_RESULT
: new StrongValueReference<K, V>(value);
}
private static final StrongValueReference NULL_VALUE_REFERENCE =
new StrongValueReference(NULL_RESULT);
private static final StrongValueReference EMPTY_RESOLVE_RESULT =
new StrongValueReference(ResolveResult.EMPTY_ARRAY);
private static class StrongValueReference<K, V>
implements ConcurrentWeakKeySoftValueHashMap.ValueReference<K, V> {
private final V myValue;
public StrongValueReference(@NotNull V value) {
myValue = value;
}
@NotNull
@Override
public ConcurrentWeakKeySoftValueHashMap.KeyReference<K, V> getKeyReference() {
throw new UnsupportedOperationException(); // will never GC so this method will never be
// called so no implementation is necessary
}
@Override
public V get() {
return myValue;
}
}
}
/** @author Mike */
public class XmlTagImpl extends XmlElementImpl implements XmlTag {
private static final Logger LOG =
Logger.getInstance("#com.intellij.psi.impl.source.xml.XmlTagImpl");
private volatile String myName = null;
private volatile String myLocalName;
private volatile XmlAttribute[] myAttributes = null;
private volatile Map<String, String> myAttributeValueMap = null;
private volatile XmlTagValue myValue = null;
private volatile Map<String, CachedValue<XmlNSDescriptor>> myNSDescriptorsMap = null;
private volatile String myCachedNamespace;
private volatile long myModCount;
private volatile XmlElementDescriptor myCachedDescriptor;
private volatile long myDescriptorModCount = -1;
private volatile long myExtResourcesModCount = -1;
private volatile boolean myHaveNamespaceDeclarations = false;
private volatile BidirectionalMap<String, String> myNamespaceMap = null;
@NonNls private static final String XML_NS_PREFIX = "xml";
private final int myHC = ourHC++;
private static final RecursionGuard ourGuard = RecursionManager.createGuard("xmlTag");
@Override
public final int hashCode() {
return myHC;
}
public XmlTagImpl() {
this(XmlElementType.XML_TAG);
}
protected XmlTagImpl(IElementType type) {
super(type);
}
public void clearCaches() {
myName = null;
myLocalName = null;
myNamespaceMap = null;
myCachedNamespace = null;
myCachedDescriptor = null;
myDescriptorModCount = -1;
myAttributes = null;
myAttributeValueMap = null;
myHaveNamespaceDeclarations = false;
myValue = null;
myNSDescriptorsMap = null;
super.clearCaches();
}
@NotNull
public PsiReference[] getReferences() {
ProgressManager.checkCanceled();
final ASTNode startTagName = XmlChildRole.START_TAG_NAME_FINDER.findChild(this);
if (startTagName == null) return PsiReference.EMPTY_ARRAY;
final ASTNode endTagName = XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(this);
List<PsiReference> refs = new ArrayList<PsiReference>();
String prefix = getNamespacePrefix();
TagNameReference startTagRef =
TagNameReference.createTagNameReference(this, startTagName, true);
refs.add(startTagRef);
if (prefix.length() > 0) {
refs.add(createPrefixReference(startTagName, prefix, startTagRef));
}
if (endTagName != null) {
TagNameReference endTagRef = TagNameReference.createTagNameReference(this, endTagName, false);
refs.add(endTagRef);
prefix = XmlUtil.findPrefixByQualifiedName(endTagName.getText());
if (StringUtil.isNotEmpty(prefix)) {
refs.add(createPrefixReference(endTagName, prefix, endTagRef));
}
}
// ArrayList.addAll() makes a clone of the collection
//noinspection ManualArrayToCollectionCopy
for (PsiReference ref :
ReferenceProvidersRegistry.getReferencesFromProviders(this, XmlTag.class)) {
refs.add(ref);
}
return ContainerUtil.toArray(refs, new PsiReference[refs.size()]);
}
private SchemaPrefixReference createPrefixReference(
ASTNode startTagName, String prefix, TagNameReference tagRef) {
return new SchemaPrefixReference(
this,
TextRange.from(startTagName.getStartOffset() - getStartOffset(), prefix.length()),
prefix,
tagRef);
}
public XmlNSDescriptor getNSDescriptor(final String namespace, boolean strict) {
final XmlTag parentTag = getParentTag();
if (parentTag == null && namespace.equals(XmlUtil.XHTML_URI)) {
final XmlNSDescriptor descriptor = getDtdDescriptor(XmlUtil.getContainingFile(this));
if (descriptor != null) {
return descriptor;
}
}
Map<String, CachedValue<XmlNSDescriptor>> map = initNSDescriptorsMap();
final CachedValue<XmlNSDescriptor> descriptor = map.get(namespace);
if (descriptor != null) {
final XmlNSDescriptor value = descriptor.getValue();
if (value != null) {
return value;
}
}
if (parentTag == null) {
final XmlDocument parentOfType = PsiTreeUtil.getParentOfType(this, XmlDocument.class);
if (parentOfType == null) {
return null;
}
return parentOfType.getDefaultNSDescriptor(namespace, strict);
}
return parentTag.getNSDescriptor(namespace, strict);
}
@Nullable
private static XmlNSDescriptor getDtdDescriptor(@NotNull XmlFile containingFile) {
final XmlDocument document = containingFile.getDocument();
if (document == null) {
return null;
}
final String url = XmlUtil.getDtdUri(document);
if (url == null) {
return null;
}
return document.getDefaultNSDescriptor(url, true);
}
public boolean isEmpty() {
return XmlChildRole.CLOSING_TAG_START_FINDER.findChild(this) == null;
}
public void collapseIfEmpty() {
final XmlTag[] tags = getSubTags();
if (tags.length > 0) {
return;
}
final ASTNode closingName = XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(this);
final ASTNode startTagEnd = XmlChildRole.START_TAG_END_FINDER.findChild(this);
if (closingName == null || startTagEnd == null) {
return;
}
final PomModel pomModel = PomManager.getModel(getProject());
final PomTransactionBase transaction =
new PomTransactionBase(this, pomModel.getModelAspect(XmlAspect.class)) {
@Nullable
public PomModelEvent runInner() {
final ASTNode closingBracket = closingName.getTreeNext();
removeRange(startTagEnd, closingBracket);
final LeafElement emptyTagEnd =
Factory.createSingleLeafElement(
XmlTokenType.XML_EMPTY_ELEMENT_END, "/>", 0, 2, null, getManager());
replaceChild(closingBracket, emptyTagEnd);
return null;
}
};
try {
pomModel.runTransaction(transaction);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
@Nullable
@NonNls
public String getSubTagText(@NonNls String qname) {
final XmlTag tag = findFirstSubTag(qname);
if (tag == null) return null;
return tag.getValue().getText();
}
protected final Map<String, CachedValue<XmlNSDescriptor>> initNSDescriptorsMap() {
Map<String, CachedValue<XmlNSDescriptor>> map = myNSDescriptorsMap;
if (map == null) {
RecursionGuard.StackStamp stamp = ourGuard.markStack();
map = computeNsDescriptorMap();
if (stamp.mayCacheNow()) {
myNSDescriptorsMap = map;
}
}
return map;
}
@NotNull
private Map<String, CachedValue<XmlNSDescriptor>> computeNsDescriptorMap() {
Map<String, CachedValue<XmlNSDescriptor>> map = null;
// XSD aware attributes processing
final String noNamespaceDeclaration =
getAttributeValue("noNamespaceSchemaLocation", XmlUtil.XML_SCHEMA_INSTANCE_URI);
final String schemaLocationDeclaration =
getAttributeValue("schemaLocation", XmlUtil.XML_SCHEMA_INSTANCE_URI);
if (noNamespaceDeclaration != null) {
map = initializeSchema(XmlUtil.EMPTY_URI, null, noNamespaceDeclaration, map);
}
if (schemaLocationDeclaration != null) {
final StringTokenizer tokenizer = new StringTokenizer(schemaLocationDeclaration);
while (tokenizer.hasMoreTokens()) {
final String uri = tokenizer.nextToken();
if (tokenizer.hasMoreTokens()) {
map = initializeSchema(uri, null, tokenizer.nextToken(), map);
}
}
}
// namespace attributes processing (XSD declaration via ExternalResourceManager)
if (hasNamespaceDeclarations()) {
for (final XmlAttribute attribute : getAttributes()) {
if (attribute.isNamespaceDeclaration()) {
String ns = attribute.getValue();
if (ns == null) ns = XmlUtil.EMPTY_URI;
ns = getRealNs(ns);
if (map == null || !map.containsKey(ns)) {
map = initializeSchema(ns, getNSVersion(ns, this), getNsLocation(ns), map);
}
}
}
}
return map == null ? Collections.<String, CachedValue<XmlNSDescriptor>>emptyMap() : map;
}
@Nullable
private static String getNSVersion(String ns, final XmlTagImpl xmlTag) {
String versionValue = xmlTag.getAttributeValue("version");
if (versionValue != null && xmlTag.getNamespace().equals(ns)) {
return versionValue;
}
return null;
}
private Map<String, CachedValue<XmlNSDescriptor>> initializeSchema(
final String namespace,
final String version,
final String fileLocation,
Map<String, CachedValue<XmlNSDescriptor>> map) {
if (map == null) map = new THashMap<String, CachedValue<XmlNSDescriptor>>();
// We put cached value in any case to cause its value update on e.g. mapping change
map.put(
namespace,
CachedValuesManager.getManager(getManager().getProject())
.createCachedValue(
new CachedValueProvider<XmlNSDescriptor>() {
public Result<XmlNSDescriptor> compute() {
XmlNSDescriptor descriptor = getImplicitNamespaceDescriptor(fileLocation);
if (descriptor != null) {
return new Result<XmlNSDescriptor>(
descriptor,
ArrayUtil.append(descriptor.getDependences(), XmlTagImpl.this));
}
XmlFile currentFile = retrieveFile(fileLocation, version);
if (currentFile == null) {
final XmlDocument document =
XmlUtil.getContainingFile(XmlTagImpl.this).getDocument();
if (document != null) {
final String uri = XmlUtil.getDtdUri(document);
if (uri != null) {
final XmlFile containingFile = XmlUtil.getContainingFile(document);
final XmlFile xmlFile = XmlUtil.findNamespace(containingFile, uri);
descriptor =
xmlFile == null
? null
: (XmlNSDescriptor) xmlFile.getDocument().getMetaData();
}
// We want to get fixed xmlns attr from dtd and check its default with
// requested namespace
if (descriptor instanceof XmlNSDescriptorImpl) {
final XmlElementDescriptor elementDescriptor =
descriptor.getElementDescriptor(XmlTagImpl.this);
if (elementDescriptor != null) {
final XmlAttributeDescriptor attributeDescriptor =
elementDescriptor.getAttributeDescriptor("xmlns", XmlTagImpl.this);
if (attributeDescriptor != null && attributeDescriptor.isFixed()) {
final String defaultValue = attributeDescriptor.getDefaultValue();
if (defaultValue != null && defaultValue.equals(namespace)) {
return new Result<XmlNSDescriptor>(
descriptor,
descriptor.getDependences(),
XmlTagImpl.this,
ExternalResourceManager.getInstance());
}
}
}
}
}
}
PsiMetaOwner currentOwner = retrieveOwner(currentFile, namespace);
if (currentOwner != null) {
descriptor = (XmlNSDescriptor) currentOwner.getMetaData();
if (descriptor != null) {
return new Result<XmlNSDescriptor>(
descriptor,
descriptor.getDependences(),
XmlTagImpl.this,
ExternalResourceManager.getInstance());
}
}
return new Result<XmlNSDescriptor>(
null, XmlTagImpl.this, currentFile, ExternalResourceManager.getInstance());
}
},
false));
return map;
}
@Nullable
private XmlNSDescriptor getImplicitNamespaceDescriptor(String ns) {
PsiFile file = getContainingFile();
if (file == null) return null;
Module module = ModuleUtil.findModuleForPsiElement(file);
if (module != null) {
for (ImplicitNamespaceDescriptorProvider provider :
Extensions.getExtensions(ImplicitNamespaceDescriptorProvider.EP_NAME)) {
XmlNSDescriptor nsDescriptor = provider.getNamespaceDescriptor(module, ns, file);
if (nsDescriptor != null) return nsDescriptor;
}
}
return null;
}
@Nullable
private XmlFile retrieveFile(final String fileLocation, String version) {
final String targetNs = XmlUtil.getTargetSchemaNsFromTag(this);
if (fileLocation.equals(targetNs)) {
return null;
} else {
final XmlFile file = XmlUtil.getContainingFile(this);
final PsiFile psiFile =
ExternalResourceManager.getInstance().getResourceLocation(fileLocation, file, version);
return psiFile instanceof XmlFile ? (XmlFile) psiFile : null;
}
}
@Nullable
private PsiMetaOwner retrieveOwner(final XmlFile file, final String namespace) {
if (file == null) {
return namespace.equals(XmlUtil.getTargetSchemaNsFromTag(this)) ? this : null;
}
return file.getDocument();
}
public PsiReference getReference() {
return ArrayUtil.getFirstElement(getReferences());
}
public XmlElementDescriptor getDescriptor() {
final long curModCount = getManager().getModificationTracker().getModificationCount();
long curExtResourcesModCount =
ExternalResourceManagerEx.getInstanceEx().getModificationCount(getProject());
if (myDescriptorModCount != curModCount || myExtResourcesModCount != curExtResourcesModCount) {
if (myExtResourcesModCount != curExtResourcesModCount) {
myNSDescriptorsMap = null;
}
RecursionGuard.StackStamp stamp = ourGuard.markStack();
XmlElementDescriptor descriptor = computeElementDescriptor();
if (!stamp.mayCacheNow()) {
return descriptor;
}
myCachedDescriptor = descriptor;
myDescriptorModCount = curModCount;
myExtResourcesModCount = curExtResourcesModCount;
}
return myCachedDescriptor;
}
@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;
}
public int getChildRole(ASTNode child) {
LOG.assertTrue(child.getTreeParent() == this);
IElementType i = child.getElementType();
if (i == XmlTokenType.XML_NAME || i == XmlTokenType.XML_TAG_NAME) {
return XmlChildRole.XML_TAG_NAME;
} else if (i == XmlElementType.XML_ATTRIBUTE) {
return XmlChildRole.XML_ATTRIBUTE;
} else {
return ChildRoleBase.NONE;
}
}
@NotNull
public String getName() {
String name = myName;
if (name == null) {
final ASTNode nameElement = XmlChildRole.START_TAG_NAME_FINDER.findChild(this);
if (nameElement != null) {
name = nameElement.getText();
} else {
name = "";
}
myName = name;
}
return name;
}
public PsiElement setName(@NotNull final String name) throws IncorrectOperationException {
final PomModel model = PomManager.getModel(getProject());
final XmlAspect aspect = model.getModelAspect(XmlAspect.class);
model.runTransaction(
new PomTransactionBase(this, aspect) {
public PomModelEvent runInner() throws IncorrectOperationException {
final String oldName = getName();
final XmlTagImpl dummyTag =
(XmlTagImpl)
XmlElementFactory.getInstance(getProject())
.createTagFromText(XmlTagUtil.composeTagText(name, "aa"));
final XmlTagImpl tag = XmlTagImpl.this;
final CharTable charTableByTree = SharedImplUtil.findCharTableByTree(tag);
ASTNode child = XmlChildRole.START_TAG_NAME_FINDER.findChild(tag);
LOG.assertTrue(child != null, "It seems '" + name + "' is not a valid tag name");
TreeElement tagElement =
(TreeElement) XmlChildRole.START_TAG_NAME_FINDER.findChild(dummyTag);
LOG.assertTrue(tagElement != null, "What's wrong with it? '" + name + "'");
tag.replaceChild(child, ChangeUtil.copyElement(tagElement, charTableByTree));
final ASTNode childByRole = XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(tag);
if (childByRole != null) {
final TreeElement treeElement =
(TreeElement) XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(dummyTag);
if (treeElement != null) {
tag.replaceChild(childByRole, ChangeUtil.copyElement(treeElement, charTableByTree));
}
}
return XmlTagNameChangedImpl.createXmlTagNameChanged(model, tag, oldName);
}
});
return this;
}
@NotNull
public XmlAttribute[] getAttributes() {
XmlAttribute[] attributes = myAttributes;
if (attributes == null) {
Map<String, String> attributesValueMap = new THashMap<String, String>();
attributes = calculateAttributes(attributesValueMap);
myAttributeValueMap = attributesValueMap;
myAttributes = attributes;
}
return attributes;
}
@NotNull
private XmlAttribute[] calculateAttributes(final Map<String, String> attributesValueMap) {
final List<XmlAttribute> result = new ArrayList<XmlAttribute>(10);
processChildren(
new PsiElementProcessor() {
public boolean execute(@NotNull PsiElement element) {
if (element instanceof XmlAttribute) {
XmlAttribute attribute = (XmlAttribute) element;
result.add(attribute);
cacheOneAttributeValue(attribute.getName(), attribute.getValue(), attributesValueMap);
myHaveNamespaceDeclarations =
myHaveNamespaceDeclarations || attribute.isNamespaceDeclaration();
} else if (element instanceof XmlToken
&& ((XmlToken) element).getTokenType() == XmlTokenType.XML_TAG_END) {
return false;
}
return true;
}
});
if (result.isEmpty()) {
return XmlAttribute.EMPTY_ARRAY;
} else {
return ContainerUtil.toArray(result, new XmlAttribute[result.size()]);
}
}
protected void cacheOneAttributeValue(
String name, String value, final Map<String, String> attributesValueMap) {
attributesValueMap.put(name, value);
}
public String getAttributeValue(String qname) { // todo ?
Map<String, String> map = myAttributeValueMap;
while (map == null) {
getAttributes();
map = myAttributeValueMap;
if (map == null) {
myAttributes = null;
}
}
return map.get(qname);
}
public String getAttributeValue(String _name, String namespace) {
if (namespace == null) {
return getAttributeValue(_name);
}
XmlTagImpl current = this;
PsiElement parent = getParent();
while (current != null) {
BidirectionalMap<String, String> map = current.initNamespaceMaps(parent);
if (map != null) {
List<String> keysByValue = map.getKeysByValue(namespace);
if (keysByValue != null && !keysByValue.isEmpty()) {
for (String prefix : keysByValue) {
if (prefix != null && prefix.length() > 0) {
final String value = getAttributeValue(prefix + ":" + _name);
if (value != null) return value;
}
}
}
}
current = parent instanceof XmlTag ? (XmlTagImpl) parent : null;
parent = parent.getParent();
}
if (namespace.length() == 0 || getNamespace().equals(namespace)) {
return getAttributeValue(_name);
}
return null;
}
@NotNull
public XmlTag[] getSubTags() {
return CachedValuesManager.getManager(getProject())
.getCachedValue(
this,
new CachedValueProvider<XmlTag[]>() {
@Override
public Result<XmlTag[]> compute() {
final List<XmlTag> result = new ArrayList<XmlTag>();
fillSubTags(result);
final int s = result.size();
XmlTag[] tags = s > 0 ? ContainerUtil.toArray(result, new XmlTag[s]) : EMPTY;
return Result.create(
tags,
PsiModificationTracker.OUT_OF_CODE_BLOCK_MODIFICATION_COUNT,
getContainingFile());
}
});
}
protected void fillSubTags(final List<XmlTag> result) {
processElements(
new PsiElementProcessor() {
public boolean execute(@NotNull PsiElement element) {
if (element instanceof XmlTag) {
assert element.isValid();
result.add((XmlTag) element);
}
return true;
}
},
this);
}
@NotNull
public XmlTag[] findSubTags(String name) {
return findSubTags(name, null);
}
@NotNull
public XmlTag[] findSubTags(final String name, final String namespace) {
final XmlTag[] subTags = getSubTags();
final List<XmlTag> result = new ArrayList<XmlTag>();
for (final XmlTag subTag : subTags) {
if (namespace == null) {
if (name.equals(subTag.getName())) result.add(subTag);
} else if (name.equals(subTag.getLocalName()) && namespace.equals(subTag.getNamespace())) {
result.add(subTag);
}
}
return ContainerUtil.toArray(result, new XmlTag[result.size()]);
}
public XmlTag findFirstSubTag(String name) {
final XmlTag[] subTags = findSubTags(name);
if (subTags.length > 0) return subTags[0];
return null;
}
public XmlAttribute getAttribute(String name, String namespace) {
if (name != null && name.indexOf(':') != -1
|| namespace == null
|| XmlUtil.EMPTY_URI.equals(namespace)
|| XmlUtil.ANY_URI.equals(namespace)) {
return getAttribute(name);
}
final String prefix = getPrefixByNamespace(namespace);
if (prefix == null || prefix.length() == 0) return null;
return getAttribute(prefix + ":" + name);
}
@Nullable
public XmlAttribute getAttribute(String qname) {
if (qname == null) return null;
final XmlAttribute[] attributes = getAttributes();
final boolean caseSensitive = isCaseSensitive();
for (final XmlAttribute attribute : attributes) {
final LeafElement attrNameElement =
(LeafElement) XmlChildRole.ATTRIBUTE_NAME_FINDER.findChild(attribute.getNode());
if (attrNameElement != null
&& (caseSensitive && Comparing.equal(attrNameElement.getChars(), qname)
|| !caseSensitive && Comparing.equal(attrNameElement.getChars(), qname, false))) {
return attribute;
}
}
return null;
}
protected boolean isCaseSensitive() {
return true;
}
@NotNull
public String getNamespace() {
String cachedNamespace = myCachedNamespace;
final long curModCount = getManager().getModificationTracker().getModificationCount();
if (cachedNamespace != null && myModCount == curModCount) {
return cachedNamespace;
}
RecursionGuard.StackStamp stamp = ourGuard.markStack();
cachedNamespace = getNamespaceByPrefix(getNamespacePrefix());
if (!stamp.mayCacheNow()) {
return cachedNamespace;
}
myCachedNamespace = cachedNamespace;
myModCount = curModCount;
return cachedNamespace;
}
@NotNull
public String getNamespacePrefix() {
return XmlUtil.findPrefixByQualifiedName(getName());
}
@NotNull
public String getNamespaceByPrefix(String prefix) {
final PsiElement parent = getParent();
LOG.assertTrue(parent.isValid());
BidirectionalMap<String, String> map = initNamespaceMaps(parent);
if (map != null) {
final String ns = map.get(prefix);
if (ns != null) return ns;
}
if (parent instanceof XmlTag) return ((XmlTag) parent).getNamespaceByPrefix(prefix);
// The prefix 'xml' is by definition bound to the namespace name
// http://www.w3.org/XML/1998/namespace. It MAY, but need not, be declared
if (XML_NS_PREFIX.equals(prefix)) return XmlUtil.XML_NAMESPACE_URI;
if (prefix.length() > 0 && !hasNamespaceDeclarations() && getNamespacePrefix().equals(prefix)) {
// When there is no namespace declarations then qualified names should be just used in dtds
// this implies that we may have "" namespace prefix ! (see last paragraph in Namespaces in
// Xml, Section 5)
String result =
ourGuard.doPreventingRecursion(
"getNsByPrefix",
true,
new Computable<String>() {
@Override
public String compute() {
final String nsFromEmptyPrefix = getNamespaceByPrefix("");
final XmlNSDescriptor nsDescriptor = getNSDescriptor(nsFromEmptyPrefix, false);
final XmlElementDescriptor descriptor =
nsDescriptor != null
? nsDescriptor.getElementDescriptor(XmlTagImpl.this)
: null;
final String nameFromRealDescriptor =
descriptor != null
&& descriptor.getDeclaration() != null
&& descriptor.getDeclaration().isPhysical()
? descriptor.getName()
: "";
if (nameFromRealDescriptor.equals(getName())) return nsFromEmptyPrefix;
return XmlUtil.EMPTY_URI;
}
});
if (result != null) {
return result;
}
}
return XmlUtil.EMPTY_URI;
}
public String getPrefixByNamespace(String namespace) {
final PsiElement parent = getParent();
BidirectionalMap<String, String> map = initNamespaceMaps(parent);
if (map != null) {
List<String> keysByValue = map.getKeysByValue(namespace);
final String ns = keysByValue == null || keysByValue.isEmpty() ? null : keysByValue.get(0);
if (ns != null) return ns;
}
if (parent instanceof XmlTag) return ((XmlTag) parent).getPrefixByNamespace(namespace);
// The prefix 'xml' is by definition bound to the namespace name
// http://www.w3.org/XML/1998/namespace. It MAY, but need not, be declared
if (XmlUtil.XML_NAMESPACE_URI.equals(namespace)) return XML_NS_PREFIX;
return null;
}
public String[] knownNamespaces() {
final PsiElement parentElement = getParent();
BidirectionalMap<String, String> map = initNamespaceMaps(parentElement);
Set<String> known = Collections.emptySet();
if (map != null) {
known = new HashSet<String>(map.values());
}
if (parentElement instanceof XmlTag) {
if (known.isEmpty()) return ((XmlTag) parentElement).knownNamespaces();
ContainerUtil.addAll(known, ((XmlTag) parentElement).knownNamespaces());
} else {
XmlExtension xmlExtension = XmlExtension.getExtensionByElement(this);
if (xmlExtension != null) {
final XmlFile xmlFile = xmlExtension.getContainingFile(this);
if (xmlFile != null) {
final XmlTag rootTag = xmlFile.getRootTag();
if (rootTag != null && rootTag != this) {
if (known.isEmpty()) return rootTag.knownNamespaces();
ContainerUtil.addAll(known, rootTag.knownNamespaces());
}
}
}
}
return ArrayUtil.toStringArray(known);
}
@Nullable
private BidirectionalMap<String, String> initNamespaceMaps(PsiElement parent) {
BidirectionalMap<String, String> map = myNamespaceMap;
if (map == null) {
RecursionGuard.StackStamp stamp = ourGuard.markStack();
map = computeNamespaceMap(parent);
if (stamp.mayCacheNow()) {
myNamespaceMap = map;
}
}
return map;
}
@Nullable
private BidirectionalMap<String, String> computeNamespaceMap(PsiElement parent) {
BidirectionalMap<String, String> map = null;
if (hasNamespaceDeclarations()) {
map = new BidirectionalMap<String, String>();
final XmlAttribute[] attributes = getAttributes();
for (final XmlAttribute attribute : attributes) {
if (attribute.isNamespaceDeclaration()) {
final String name = attribute.getName();
int splitIndex = name.indexOf(':');
final String value = getRealNs(attribute.getValue());
if (value != null) {
if (splitIndex < 0) {
map.put("", value);
} else {
map.put(XmlUtil.findLocalNameByQualifiedName(name), value);
}
}
}
}
}
if (parent instanceof XmlDocument) {
final XmlExtension extension = XmlExtension.getExtensionByElement(parent);
if (extension != null) {
final String[][] defaultNamespace =
extension.getNamespacesFromDocument((XmlDocument) parent, map != null);
if (defaultNamespace != null) {
if (map == null) {
map = new BidirectionalMap<String, String>();
}
for (final String[] prefix2ns : defaultNamespace) {
map.put(prefix2ns[0], getRealNs(prefix2ns[1]));
}
}
}
}
return map;
}
private String getNsLocation(String ns) {
if (XmlUtil.XHTML_URI.equals(ns)) {
String defaultHtmlDoctype =
ExternalResourceManagerEx.getInstanceEx().getDefaultHtmlDoctype(getProject());
if (Html5SchemaProvider.HTML5_SCHEMA_LOCATION.equals(defaultHtmlDoctype)) {
defaultHtmlDoctype = Html5SchemaProvider.XHTML5_SCHEMA_LOCATION;
}
return defaultHtmlDoctype;
}
return ns;
}
protected String getRealNs(final String value) {
return value;
}
@NotNull
public String getLocalName() {
String localName = myLocalName;
if (localName == null) {
final String name = getName();
myLocalName = localName = name.substring(name.indexOf(':') + 1);
}
return localName;
}
public boolean hasNamespaceDeclarations() {
getAttributes();
return myHaveNamespaceDeclarations;
}
@NotNull
public Map<String, String> getLocalNamespaceDeclarations() {
Map<String, String> namespaces = new THashMap<String, String>();
for (final XmlAttribute attribute : getAttributes()) {
if (!attribute.isNamespaceDeclaration() || attribute.getValue() == null) continue;
// xmlns -> "", xmlns:a -> a
final String localName = attribute.getLocalName();
namespaces.put(localName.equals(attribute.getName()) ? "" : localName, attribute.getValue());
}
return namespaces;
}
public XmlAttribute setAttribute(String qname, String value) throws IncorrectOperationException {
final XmlAttribute attribute = getAttribute(qname);
if (attribute != null) {
if (value == null) {
deleteChildInternal(attribute.getNode());
return null;
}
attribute.setValue(value);
return attribute;
} else if (value == null) {
return null;
} else {
PsiElement xmlAttribute =
add(XmlElementFactory.getInstance(getProject()).createXmlAttribute(qname, value));
while (!(xmlAttribute instanceof XmlAttribute)) xmlAttribute = xmlAttribute.getNextSibling();
return (XmlAttribute) xmlAttribute;
}
}
public XmlAttribute setAttribute(String name, String namespace, String value)
throws IncorrectOperationException {
if (!Comparing.equal(namespace, "")) {
final String prefix = getPrefixByNamespace(namespace);
if (prefix != null && prefix.length() > 0) name = prefix + ":" + name;
}
return setAttribute(name, value);
}
public XmlTag createChildTag(
String localName, String namespace, String bodyText, boolean enforceNamespacesDeep) {
return XmlUtil.createChildTag(this, localName, namespace, bodyText, enforceNamespacesDeep);
}
@Override
public XmlTag addSubTag(XmlTag subTag, boolean first) {
XmlTagChild[] children = getSubTags();
if (children.length == 0) {
children = getValue().getChildren();
}
if (children.length == 0) {
return (XmlTag) add(subTag);
} else if (first) {
return (XmlTag) addBefore(subTag, children[0]);
} else {
return (XmlTag) addAfter(subTag, ArrayUtil.getLastElement(children));
}
}
@NotNull
public XmlTagValue getValue() {
XmlTagValue tagValue = myValue;
if (tagValue == null) {
final PsiElement[] elements = getElements();
final List<XmlTagChild> bodyElements = new ArrayList<XmlTagChild>(elements.length);
boolean insideBody = false;
for (final PsiElement element : elements) {
final ASTNode treeElement = element.getNode();
if (insideBody) {
if (treeElement.getElementType() == XmlTokenType.XML_END_TAG_START) break;
if (!(element instanceof XmlTagChild)) continue;
bodyElements.add((XmlTagChild) element);
} else if (treeElement.getElementType() == XmlTokenType.XML_TAG_END) insideBody = true;
}
XmlTagChild[] tagChildren =
ContainerUtil.toArray(bodyElements, new XmlTagChild[bodyElements.size()]);
myValue = tagValue = new XmlTagValueImpl(tagChildren, this);
}
return tagValue;
}
private PsiElement[] getElements() {
final List<PsiElement> elements = new ArrayList<PsiElement>();
processElements(
new PsiElementProcessor() {
public boolean execute(@NotNull PsiElement psiElement) {
elements.add(psiElement);
return true;
}
},
this);
return ContainerUtil.toArray(elements, new PsiElement[elements.size()]);
}
public void accept(@NotNull PsiElementVisitor visitor) {
if (visitor instanceof XmlElementVisitor) {
((XmlElementVisitor) visitor).visitXmlTag(this);
} else {
visitor.visitElement(this);
}
}
public String toString() {
return "XmlTag:" + getName();
}
public PsiMetaData getMetaData() {
return MetaRegistry.getMeta(this);
}
public TreeElement addInternal(TreeElement first, ASTNode last, ASTNode anchor, Boolean beforeB) {
TreeElement firstAppended = null;
boolean before = beforeB == null || beforeB.booleanValue();
try {
TreeElement next;
do {
next = first.getTreeNext();
if (firstAppended == null) {
firstAppended = addInternal(first, anchor, before);
anchor = firstAppended;
} else {
anchor = addInternal(first, anchor, false);
}
} while (first != last && (first = next) != null);
} catch (IncorrectOperationException ignored) {
} finally {
clearCaches();
}
return firstAppended;
}
private TreeElement addInternal(TreeElement child, ASTNode anchor, boolean before)
throws IncorrectOperationException {
final PomModel model = PomManager.getModel(getProject());
if (anchor != null && child.getElementType() == XmlElementType.XML_TEXT) {
XmlText psi = null;
if (anchor.getPsi() instanceof XmlText) {
psi = (XmlText) anchor.getPsi();
} else {
final ASTNode other = before ? anchor.getTreePrev() : anchor.getTreeNext();
if (other != null && other.getPsi() instanceof XmlText) {
before = !before;
psi = (XmlText) other.getPsi();
}
}
if (psi != null) {
if (before) {
psi.insertText(((XmlText) child.getPsi()).getValue(), 0);
} else {
psi.insertText(((XmlText) child.getPsi()).getValue(), psi.getValue().length());
}
return (TreeElement) psi.getNode();
}
}
LOG.assertTrue(child.getPsi() instanceof XmlAttribute || child.getPsi() instanceof XmlTagChild);
final InsertTransaction transaction;
if (child.getElementType() == XmlElementType.XML_ATTRIBUTE) {
transaction = new InsertAttributeTransaction(child, anchor, before, model);
} else if (anchor == null) {
transaction = getBodyInsertTransaction(child);
} else {
transaction = new GenericInsertTransaction(child, anchor, before);
}
model.runTransaction(transaction);
return transaction.getFirstInserted();
}
protected InsertTransaction getBodyInsertTransaction(final TreeElement child) {
return new BodyInsertTransaction(child);
}
public void deleteChildInternal(@NotNull final ASTNode child) {
final PomModel model = PomManager.getModel(getProject());
final XmlAspect aspect = model.getModelAspect(XmlAspect.class);
if (child.getElementType() == XmlElementType.XML_ATTRIBUTE) {
try {
model.runTransaction(
new PomTransactionBase(this, aspect) {
public PomModelEvent runInner() {
final String name = ((XmlAttribute) child).getName();
XmlTagImpl.super.deleteChildInternal(child);
return XmlAttributeSetImpl.createXmlAttributeSet(
model, XmlTagImpl.this, name, null);
}
});
} catch (IncorrectOperationException e) {
LOG.error(e);
}
} else {
final ASTNode treePrev = child.getTreePrev();
final ASTNode treeNext = child.getTreeNext();
XmlTagImpl.super.deleteChildInternal(child);
if (treePrev != null
&& treeNext != null
&& treePrev.getElementType() == XmlElementType.XML_TEXT
&& treeNext.getElementType() == XmlElementType.XML_TEXT) {
final XmlText prevText = (XmlText) treePrev.getPsi();
final XmlText nextText = (XmlText) treeNext.getPsi();
try {
prevText.setValue(prevText.getValue() + nextText.getValue());
nextText.delete();
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
}
}
private ASTNode expandTag() throws IncorrectOperationException {
ASTNode endTagStart = XmlChildRole.CLOSING_TAG_START_FINDER.findChild(this);
if (endTagStart == null) {
final XmlTagImpl tagFromText =
(XmlTagImpl)
XmlElementFactory.getInstance(getProject())
.createTagFromText("<" + getName() + "></" + getName() + ">");
final ASTNode startTagStart = XmlChildRole.START_TAG_END_FINDER.findChild(tagFromText);
endTagStart = XmlChildRole.CLOSING_TAG_START_FINDER.findChild(tagFromText);
final LeafElement emptyTagEnd =
(LeafElement) XmlChildRole.EMPTY_TAG_END_FINDER.findChild(this);
if (emptyTagEnd != null) removeChild(emptyTagEnd);
addChildren(startTagStart, null, null);
}
return endTagStart;
}
public XmlTag getParentTag() {
final PsiElement parent = getParent();
if (parent instanceof XmlTag) return (XmlTag) parent;
return null;
}
public XmlTagChild getNextSiblingInTag() {
final PsiElement nextSibling = getNextSibling();
if (nextSibling instanceof XmlTagChild) return (XmlTagChild) nextSibling;
return null;
}
public XmlTagChild getPrevSiblingInTag() {
final PsiElement prevSibling = getPrevSibling();
if (prevSibling instanceof XmlTagChild) return (XmlTagChild) prevSibling;
return null;
}
public Icon getElementIcon(int flags) {
return PlatformIcons.XML_TAG_ICON;
}
protected class BodyInsertTransaction extends InsertTransaction {
private final TreeElement myChild;
private ASTNode myNewElement;
public BodyInsertTransaction(TreeElement child) {
super(XmlTagImpl.this);
myChild = child;
}
public PomModelEvent runInner() throws IncorrectOperationException {
final ASTNode anchor = expandTag();
if (myChild.getElementType() == XmlElementType.XML_TAG) {
// compute where to insert tag according to DTD or XSD
final XmlElementDescriptor parentDescriptor = getDescriptor();
final XmlTag[] subTags = getSubTags();
final PsiElement declaration =
parentDescriptor != null ? parentDescriptor.getDeclaration() : null;
// filtring out generated dtds
if (declaration != null
&& declaration.getContainingFile() != null
&& declaration.getContainingFile().isPhysical()
&& subTags.length > 0) {
final XmlElementDescriptor[] childElementDescriptors =
parentDescriptor.getElementsDescriptors(XmlTagImpl.this);
int subTagNum = -1;
for (final XmlElementDescriptor childElementDescriptor : childElementDescriptors) {
final String childElementName = childElementDescriptor.getName();
while (subTagNum < subTags.length - 1
&& subTags[subTagNum + 1].getName().equals(childElementName)) {
subTagNum++;
}
if (childElementName.equals(
XmlChildRole.START_TAG_NAME_FINDER.findChild(myChild).getText())) {
// insert child just after anchor
// insert into the position specified by index
if (subTagNum >= 0) {
final ASTNode subTag = (ASTNode) subTags[subTagNum];
if (subTag.getTreeParent() != XmlTagImpl.this) {
// in entity
final XmlEntityRef entityRef =
PsiTreeUtil.getParentOfType(subTags[subTagNum], XmlEntityRef.class);
throw new IncorrectOperationException(
"Can't insert subtag to the entity. Entity reference text: "
+ (entityRef == null ? "" : entityRef.getText()));
}
myNewElement =
XmlTagImpl.super.addInternal(myChild, myChild, subTag, Boolean.FALSE);
} else {
final ASTNode child = XmlChildRole.START_TAG_END_FINDER.findChild(XmlTagImpl.this);
myNewElement = XmlTagImpl.super.addInternal(myChild, myChild, child, Boolean.FALSE);
}
return null;
}
}
} else {
final ASTNode child = XmlChildRole.CLOSING_TAG_START_FINDER.findChild(XmlTagImpl.this);
myNewElement = XmlTagImpl.super.addInternal(myChild, myChild, child, Boolean.TRUE);
return null;
}
}
myNewElement = XmlTagImpl.super.addInternal(myChild, myChild, anchor, Boolean.TRUE);
return null;
}
public TreeElement getFirstInserted() {
return (TreeElement) myNewElement;
}
}
protected class InsertAttributeTransaction extends InsertTransaction {
private final TreeElement myChild;
private final ASTNode myAnchor;
private final boolean myBefore;
private final PomModel myModel;
private TreeElement myFirstInserted = null;
public InsertAttributeTransaction(
final TreeElement child, final ASTNode anchor, final boolean before, final PomModel model) {
super(XmlTagImpl.this);
myChild = child;
myAnchor = anchor;
myBefore = before;
myModel = model;
}
public PomModelEvent runInner() {
final String value = ((XmlAttribute) myChild).getValue();
final String name = ((XmlAttribute) myChild).getName();
if (myAnchor == null) {
ASTNode startTagEnd = XmlChildRole.START_TAG_END_FINDER.findChild(XmlTagImpl.this);
if (startTagEnd == null)
startTagEnd = XmlChildRole.EMPTY_TAG_END_FINDER.findChild(XmlTagImpl.this);
if (startTagEnd == null) {
ASTNode anchor = getLastChildNode();
while (anchor instanceof PsiWhiteSpace) {
anchor = anchor.getTreePrev();
}
if (anchor instanceof PsiErrorElement) {
final LeafElement token =
Factory.createSingleLeafElement(
XmlTokenType.XML_EMPTY_ELEMENT_END,
"/>",
0,
2,
SharedImplUtil.findCharTableByTree(anchor),
getManager());
replaceChild(anchor, token);
startTagEnd = token;
}
}
if (startTagEnd == null) {
ASTNode anchor = XmlChildRole.START_TAG_NAME_FINDER.findChild(XmlTagImpl.this);
myFirstInserted = XmlTagImpl.super.addInternal(myChild, myChild, anchor, Boolean.FALSE);
} else {
myFirstInserted =
XmlTagImpl.super.addInternal(myChild, myChild, startTagEnd, Boolean.TRUE);
}
} else {
myFirstInserted =
XmlTagImpl.super.addInternal(myChild, myChild, myAnchor, Boolean.valueOf(myBefore));
}
return XmlAttributeSetImpl.createXmlAttributeSet(myModel, XmlTagImpl.this, name, value);
}
public TreeElement getFirstInserted() {
return myFirstInserted;
}
}
protected class GenericInsertTransaction extends InsertTransaction {
private final TreeElement myChild;
private final ASTNode myAnchor;
private final boolean myBefore;
private TreeElement myRetHolder;
public GenericInsertTransaction(
final TreeElement child, final ASTNode anchor, final boolean before) {
super(XmlTagImpl.this);
myChild = child;
myAnchor = anchor;
myBefore = before;
}
public PomModelEvent runInner() {
myRetHolder =
XmlTagImpl.super.addInternal(myChild, myChild, myAnchor, Boolean.valueOf(myBefore));
return null;
}
public TreeElement getFirstInserted() {
return myRetHolder;
}
}
protected abstract class InsertTransaction extends PomTransactionBase {
public InsertTransaction(final PsiElement scope) {
super(scope, PomManager.getModel(getProject()).getModelAspect(XmlAspect.class));
}
public abstract TreeElement getFirstInserted();
}
}