/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.xml.impl.dom;
import com.intellij.pom.PomTarget;
import com.intellij.pom.references.PomService;
import com.intellij.psi.PsiElement;
import com.intellij.psi.xml.XmlAttribute;
import com.intellij.psi.xml.XmlDocument;
import com.intellij.psi.xml.XmlFile;
import com.intellij.psi.xml.XmlTag;
import com.intellij.util.xml.DomElement;
import com.intellij.util.xml.DomManager;
import com.intellij.util.xml.EvaluatedXmlName;
import com.intellij.util.xml.impl.AttributeChildDescriptionImpl;
import com.intellij.util.xml.reflect.*;
import com.intellij.xml.XmlAttributeDescriptor;
import com.intellij.xml.XmlElementDescriptor;
import com.intellij.xml.XmlElementsGroup;
import com.intellij.xml.XmlNSDescriptor;
import com.intellij.xml.impl.schema.AnyXmlElementDescriptor;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.List;
/**
* @author peter
*/
public abstract class AbstractDomChildrenDescriptor implements XmlElementDescriptor {
protected final DomManager myManager;
protected AbstractDomChildrenDescriptor(DomManager manager) {
myManager = manager;
}
@Override
public XmlElementDescriptor[] getElementsDescriptors(final XmlTag context) {
final DomElement domElement = myManager.getDomElement(context);
if (domElement == null) return EMPTY_ARRAY;
List<XmlElementDescriptor> xmlElementDescriptors = new ArrayList<>();
for (DomCollectionChildDescription childrenDescription : domElement.getGenericInfo().getCollectionChildrenDescriptions()) {
xmlElementDescriptors.add(new DomElementXmlDescriptor(childrenDescription, myManager));
}
for (DomFixedChildDescription childrenDescription : domElement.getGenericInfo().getFixedChildrenDescriptions()) {
xmlElementDescriptors.add(new DomElementXmlDescriptor(childrenDescription, myManager));
}
final List<? extends CustomDomChildrenDescription> customs = domElement.getGenericInfo().getCustomNameChildrenDescription();
for (final CustomDomChildrenDescription custom : customs) {
final CustomDomChildrenDescription.TagNameDescriptor tagNameDescriptor = custom.getTagNameDescriptor();
if (tagNameDescriptor == null) continue;
final XmlTag xmlTag = domElement.getXmlTag();
for (final EvaluatedXmlName name : tagNameDescriptor.getCompletionVariants(domElement)) {
AbstractDomChildrenDescriptor descriptor = new AbstractDomChildrenDescriptor(myManager) {
@Override
public String getDefaultName() {
final String ns = xmlTag != null ? name.getNamespace(xmlTag, (XmlFile)xmlTag.getContainingFile()) : null;
if (ns != null) {
final String prefix = xmlTag.getPrefixByNamespace(ns);
if (prefix != null) {
return prefix + ":" + name.getXmlName().getLocalName();
}
}
return name.getXmlName().getLocalName();
}
@Override
@Nullable
public PsiElement getDeclaration() {
final PomTarget target = tagNameDescriptor.findDeclaration(domElement, name);
return target == null ? null : PomService.convertToPsi(context.getProject(), target);
}
};
xmlElementDescriptors.add(descriptor);
}
xmlElementDescriptors.add(new AnyXmlElementDescriptor(this, getNSDescriptor()));
}
return xmlElementDescriptors.toArray(new XmlElementDescriptor[xmlElementDescriptors.size()]);
}
@Override
public XmlElementsGroup getTopGroup() {
return null;
}
@Override
@Nullable
public XmlElementDescriptor getElementDescriptor(@NotNull final XmlTag childTag, @Nullable XmlTag contextTag) {
DomElement domElement = myManager.getDomElement(childTag);
if (domElement == null) {
domElement = myManager.getDomElement(contextTag);
if (domElement != null) {
AbstractDomChildrenDescription description = myManager.findChildrenDescription(childTag, domElement);
if (description instanceof DomChildrenDescription) {
return new DomElementXmlDescriptor((DomChildrenDescription)description, myManager);
}
}
return null;
}
final DomElement parent = domElement.getParent();
if (parent == null) return new DomElementXmlDescriptor(domElement);
final AbstractDomChildrenDescription description = domElement.getChildDescription();
if (description instanceof CustomDomChildrenDescription) {
final DomElement finalDomElement = domElement;
return new AbstractDomChildrenDescriptor(myManager) {
@Override
public String getDefaultName() {
return finalDomElement.getXmlElementName();
}
@Override
@Nullable
public PsiElement getDeclaration() {
final PomTarget target = ((CustomDomChildrenDescription)description).getTagNameDescriptor().findDeclaration(finalDomElement);
if (target == description) {
return childTag;
}
return target == null ? null : PomService.convertToPsi(childTag.getProject(), target);
}
};
}
if (!(description instanceof DomChildrenDescription)) return null;
return new DomElementXmlDescriptor((DomChildrenDescription)description, myManager);
}
@Override
public XmlAttributeDescriptor[] getAttributesDescriptors(final @Nullable XmlTag context) {
if (context == null) return XmlAttributeDescriptor.EMPTY;
DomElement domElement = myManager.getDomElement(context);
if (domElement == null) return XmlAttributeDescriptor.EMPTY;
final List<? extends DomAttributeChildDescription> descriptions = domElement.getGenericInfo().getAttributeChildrenDescriptions();
List<XmlAttributeDescriptor> descriptors = new ArrayList<>();
for (DomAttributeChildDescription description : descriptions) {
descriptors.add(new DomAttributeXmlDescriptor(description, myManager.getProject()));
}
List<? extends CustomDomChildrenDescription> customs = domElement.getGenericInfo().getCustomNameChildrenDescription();
for (CustomDomChildrenDescription custom : customs) {
CustomDomChildrenDescription.AttributeDescriptor descriptor = custom.getCustomAttributeDescriptor();
if (descriptor != null) {
for (EvaluatedXmlName variant : descriptor.getCompletionVariants(domElement)) {
AttributeChildDescriptionImpl childDescription = new AttributeChildDescriptionImpl(variant.getXmlName(), String.class);
descriptors.add(new DomAttributeXmlDescriptor(childDescription, myManager.getProject()));
}
}
}
return descriptors.toArray(new XmlAttributeDescriptor[descriptors.size()]);
}
@Override
@Nullable
public XmlAttributeDescriptor getAttributeDescriptor(final String attributeName, final @Nullable XmlTag context) {
DomElement domElement = myManager.getDomElement(context);
if (domElement == null) return null;
for (DomAttributeChildDescription description : domElement.getGenericInfo().getAttributeChildrenDescriptions()) {
if (attributeName.equals(DomAttributeXmlDescriptor.getQualifiedAttributeName(context, description.getXmlName()))) {
return new DomAttributeXmlDescriptor(description, myManager.getProject());
}
}
return null;
}
@Override
@Nullable
public XmlAttributeDescriptor getAttributeDescriptor(final XmlAttribute attribute) {
return getAttributeDescriptor(attribute.getName(), attribute.getParent());
}
@Override
public XmlNSDescriptor getNSDescriptor() {
return new XmlNSDescriptor() {
@Override
@Nullable
public XmlElementDescriptor getElementDescriptor(@NotNull final XmlTag tag) {
throw new UnsupportedOperationException("Method getElementDescriptor not implemented in " + getClass());
}
@Override
@NotNull
public XmlElementDescriptor[] getRootElementsDescriptors(@Nullable final XmlDocument document) {
throw new UnsupportedOperationException("Method getRootElementsDescriptors not implemented in " + getClass());
}
@Override
@Nullable
public XmlFile getDescriptorFile() {
return null;
}
@Override
@Nullable
public PsiElement getDeclaration() {
throw new UnsupportedOperationException("Method getDeclaration not implemented in " + getClass());
}
@Override
@NonNls
public String getName(final PsiElement context) {
throw new UnsupportedOperationException("Method getName not implemented in " + getClass());
}
@Override
@NonNls
public String getName() {
throw new UnsupportedOperationException("Method getName not implemented in " + getClass());
}
@Override
public void init(final PsiElement element) {
throw new UnsupportedOperationException("Method init not implemented in " + getClass());
}
@NotNull
@Override
public Object[] getDependences() {
throw new UnsupportedOperationException("Method getDependences not implemented in " + getClass());
}
};
}
@Override
public int getContentType() {
return CONTENT_TYPE_UNKNOWN;
}
@Override
public String getDefaultValue() {
return null;
}
@Override
public void init(final PsiElement element) {
throw new UnsupportedOperationException("Method init not implemented in " + getClass());
}
@NotNull
@Override
public Object[] getDependences() {
throw new UnsupportedOperationException("Method getDependences not implemented in " + getClass());
}
@Override
@NonNls
public String getName() {
return getDefaultName();
}
@Override
public String getQualifiedName() {
return getDefaultName();
}
@Override
public String getName(PsiElement context) {
return getDefaultName();
}
}