| /* |
| * 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.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import org.intellij.plugins.relaxNG.compact.psi.RncElementVisitor; |
| import org.intellij.plugins.relaxNG.compact.psi.RncGrammar; |
| import org.intellij.plugins.relaxNG.compact.psi.RncParentRef; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * User: sweinreuter |
| * Date: 11.08.2007 |
| */ |
| public class RncParentRefImpl extends RncRefImpl implements RncParentRef { |
| public RncParentRefImpl(ASTNode node) { |
| super(node); |
| } |
| |
| @Override // super asserts nameNode != null |
| public String getReferencedName() { |
| final ASTNode node = findNameNode(); |
| return node == null ? null : super.getReferencedName(); |
| } |
| |
| @Override |
| public void accept(@NotNull RncElementVisitor visitor) { |
| visitor.visitParentRef(this); |
| } |
| |
| @Override |
| public int getTextOffset() { |
| final ASTNode astNode = findNameNode(); |
| return astNode != null ? astNode.getStartOffset() : getTextRange().getStartOffset(); |
| } |
| |
| @Override |
| @Nullable |
| public PsiReference getReference() { |
| return new PatternReference(this) { |
| @Override |
| protected RncGrammar getScope() { |
| final PsiElement scope = PsiTreeUtil.getParentOfType(getElement(), RncGrammar.class, true, PsiFile.class); |
| if (scope == null) { |
| return null; |
| } |
| return PsiTreeUtil.getParentOfType(scope, RncGrammar.class, true, PsiFile.class); |
| } |
| }; |
| } |
| } |