001    /*
002     * Copyright 2010-2015 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.kotlin.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.psi.PsiElement;
021    import com.intellij.psi.stubs.IStubElementType;
022    import org.jetbrains.annotations.NotNull;
023    import org.jetbrains.annotations.Nullable;
024    import org.jetbrains.kotlin.lexer.JetModifierKeywordToken;
025    import org.jetbrains.kotlin.lexer.JetToken;
026    import org.jetbrains.kotlin.psi.psiUtil.PsiUtilPackage;
027    import org.jetbrains.kotlin.psi.stubs.KotlinModifierListStub;
028    import org.jetbrains.kotlin.psi.stubs.elements.JetStubElementTypes;
029    
030    import java.util.List;
031    
032    public abstract class JetModifierList extends JetElementImplStub<KotlinModifierListStub> implements JetAnnotationsContainer {
033    
034        public JetModifierList(@NotNull KotlinModifierListStub stub, @NotNull IStubElementType nodeType) {
035            super(stub, nodeType);
036        }
037    
038        public JetModifierList(@NotNull ASTNode node) {
039            super(node);
040        }
041    
042        @Override
043        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
044            return visitor.visitModifierList(this, data);
045        }
046    
047        @NotNull
048        public List<JetAnnotation> getAnnotations() {
049            return getStubOrPsiChildrenAsList(JetStubElementTypes.ANNOTATION);
050        }
051    
052        @NotNull
053        public List<JetAnnotationEntry> getAnnotationEntries() {
054            return PsiUtilPackage.collectAnnotationEntriesFromStubOrPsi(this);
055        }
056    
057        public boolean hasModifier(@NotNull JetModifierKeywordToken token) {
058            KotlinModifierListStub stub = getStub();
059            if (stub != null) {
060                return stub.hasModifier(token);
061            }
062            return getModifierNode(token) != null;
063        }
064    
065        @Nullable
066        public PsiElement getModifier(@NotNull JetModifierKeywordToken token) {
067            return findChildByType(token);
068        }
069    
070        @Nullable
071        public ASTNode getModifierNode(@NotNull JetToken token) {
072            ASTNode node = getNode().getFirstChildNode();
073            while (node != null) {
074                if (node.getElementType() == token) return node;
075                node = node.getTreeNext();
076            }
077            return null;
078        }
079    
080        public PsiElement getOwner() {
081            return getParentByStub();
082        }
083    }