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.google.common.collect.Lists;
020    import com.intellij.lang.ASTNode;
021    import com.intellij.psi.PsiElement;
022    import com.intellij.psi.tree.TokenSet;
023    import kotlin.KotlinPackage;
024    import kotlin.jvm.functions.Function1;
025    import org.jetbrains.annotations.NotNull;
026    import org.jetbrains.annotations.Nullable;
027    import org.jetbrains.kotlin.JetNodeTypes;
028    import org.jetbrains.kotlin.lexer.JetTokens;
029    import org.jetbrains.kotlin.psi.stubs.KotlinPlaceHolderStub;
030    import org.jetbrains.kotlin.psi.stubs.elements.JetStubElementTypes;
031    
032    import java.util.Arrays;
033    import java.util.List;
034    
035    import static org.jetbrains.kotlin.psi.stubs.elements.JetStubElementTypes.*;
036    
037    public class JetClassBody extends JetElementImplStub<KotlinPlaceHolderStub<JetClassBody>> implements JetDeclarationContainer {
038    
039        public JetClassBody(@NotNull ASTNode node) {
040            super(node);
041        }
042    
043        public JetClassBody(@NotNull KotlinPlaceHolderStub<JetClassBody> stub) {
044            super(stub, CLASS_BODY);
045        }
046    
047        @Override
048        @NotNull
049        public List<JetDeclaration> getDeclarations() {
050            return Arrays.asList(getStubOrPsiChildren(DECLARATION_TYPES, JetDeclaration.ARRAY_FACTORY));
051        }
052    
053        @Override
054        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
055            return visitor.visitClassBody(this, data);
056        }
057    
058        @NotNull
059        public List<JetClassInitializer> getAnonymousInitializers() {
060            return findChildrenByType(JetNodeTypes.ANONYMOUS_INITIALIZER);
061        }
062    
063        @NotNull
064        /* package-protected */ List<JetSecondaryConstructor> getSecondaryConstructors() {
065            return getStubOrPsiChildrenAsList(JetStubElementTypes.SECONDARY_CONSTRUCTOR);
066        }
067    
068        @NotNull
069        public List<JetProperty> getProperties() {
070            return getStubOrPsiChildrenAsList(JetStubElementTypes.PROPERTY);
071        }
072    
073        @NotNull
074        public List<JetObjectDeclaration> getAllCompanionObjects() {
075            List<JetObjectDeclaration> result = Lists.newArrayList();
076            for (JetObjectDeclaration declaration : getStubOrPsiChildrenAsList(JetStubElementTypes.OBJECT_DECLARATION)) {
077                if (declaration.isCompanion()) {
078                    result.add(declaration);
079                }
080            }
081            return result;
082        }
083    
084        @Nullable
085        public PsiElement getRBrace() {
086            ASTNode[] children = getNode().getChildren(TokenSet.create(JetTokens.RBRACE));
087            return children.length == 1 ? children[0].getPsi() : null;
088        }
089    
090        @Nullable
091        public PsiElement getLBrace() {
092            ASTNode[] children = getNode().getChildren(TokenSet.create(JetTokens.LBRACE));
093            return children.length == 1 ? children[0].getPsi() : null;
094        }
095    
096        /**
097         * @return annotations that do not belong to any declaration due to incomplete code or syntax errors
098         */
099        @NotNull
100        public List<JetAnnotationEntry> getDanglingAnnotations() {
101            return KotlinPackage.flatMap(
102                    getStubOrPsiChildrenAsList(MODIFIER_LIST),
103                    new Function1<JetModifierList, Iterable<JetAnnotationEntry>>() {
104                        @Override
105                        public Iterable<JetAnnotationEntry> invoke(JetModifierList modifierList) {
106                            return modifierList.getAnnotationEntries();
107                        }
108                    });
109        }
110    }