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/*
* Copyright 2007 Sascha Weinreuter
*
* 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 org.intellij.plugins.relaxNG.compact.psi.impl;
import com.intellij.lang.ASTNode;
import com.intellij.psi.PsiReference;
import org.intellij.plugins.relaxNG.compact.RncTokenTypes;
import org.intellij.plugins.relaxNG.compact.psi.RncDefine;
import org.intellij.plugins.relaxNG.compact.psi.RncElementVisitor;
import org.intellij.plugins.relaxNG.compact.psi.RncRef;
import org.intellij.plugins.relaxNG.compact.psi.util.EscapeUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* Created by IntelliJ IDEA.
* User: sweinreuter
* Date: 11.08.2007
*/
public class RncRefImpl extends RncElementImpl implements RncRef {
public RncRefImpl(ASTNode node) {
super(node);
}
@Nullable
public RncDefine getPattern() {
final PsiReference ref = getReference();
// TODO: honor combine & return virtual element if multiResolve().length > 0
return ref instanceof PatternReference ? (RncDefine)ref.resolve() : null;
}
public String getReferencedName() {
final ASTNode node = findNameNode();
assert node != null;
return EscapeUtil.unescapeText(node);
}
protected ASTNode findNameNode() {
return getNode().findChildByType(RncTokenTypes.IDENTIFIERS);
}
@Override
public void accept(@NotNull RncElementVisitor visitor) {
visitor.visitRef(this);
}
public void accept(Visitor visitor) {
visitor.visitRef(this);
}
@Override
public PsiReference getReference() {
return new PatternReference(this);
}
}
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