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/*
* 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.patterns;
import com.intellij.util.xml.DomElement;
import com.intellij.util.xml.DomElementVisitor;
import com.intellij.util.xml.reflect.AbstractDomChildrenDescription;
import com.intellij.util.xml.reflect.DomChildrenDescription;
import com.intellij.util.ProcessingContext;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.List;
/**
* @author peter
*/
public class DomElementPattern<T extends DomElement,Self extends DomElementPattern<T,Self>> extends TreeElementPattern<DomElement,T,Self> {
protected DomElementPattern(final Class<T> aClass) {
super(aClass);
}
protected DomElementPattern(@NotNull final InitialPatternCondition<T> condition) {
super(condition);
}
@Override
protected DomElement getParent(@NotNull DomElement t) {
return t.getParent();
}
@Override
protected DomElement[] getChildren(@NotNull final DomElement domElement) {
final List<DomElement> children = new ArrayList<DomElement>();
domElement.acceptChildren(new DomElementVisitor() {
@Override
public void visitDomElement(final DomElement element) {
children.add(element);
}
});
return children.toArray(new DomElement[children.size()]);
}
public static class Capture<T extends DomElement> extends DomElementPattern<T, Capture<T>> {
protected Capture(final Class<T> aClass) {
super(aClass);
}
}
public Self withChild(@NonNls @NotNull final String localName, final ElementPattern pattern) {
return with(new PatternCondition<T>("withChild") {
@Override
public boolean accepts(@NotNull final T t, final ProcessingContext context) {
for (final AbstractDomChildrenDescription description : t.getGenericInfo().getChildrenDescriptions()) {
if (!(description instanceof DomChildrenDescription) || localName.equals(((DomChildrenDescription)description).getXmlElementName())) {
for (final DomElement element : description.getValues(t)) {
if (localName.equals(element.getXmlElementName()) && pattern.getCondition().accepts(element, context)) {
return true;
}
}
}
}
return false;
}
});
}
}
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