001    /*
002     * Copyright 2010-2013 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.jet.lang.psi.stubs.elements;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.psi.stubs.IndexSink;
021    import com.intellij.psi.stubs.StubElement;
022    import com.intellij.psi.stubs.StubInputStream;
023    import com.intellij.psi.stubs.StubOutputStream;
024    import com.intellij.util.io.StringRef;
025    import org.jetbrains.annotations.NonNls;
026    import org.jetbrains.annotations.NotNull;
027    import org.jetbrains.jet.lang.psi.JetClass;
028    import org.jetbrains.jet.lang.psi.JetEnumEntry;
029    import org.jetbrains.jet.lang.psi.JetPsiUtil;
030    import org.jetbrains.jet.lang.psi.psiUtil.PsiUtilPackage;
031    import org.jetbrains.jet.lang.psi.stubs.PsiJetClassStub;
032    import org.jetbrains.jet.lang.psi.stubs.impl.PsiJetClassStubImpl;
033    import org.jetbrains.jet.lang.resolve.name.FqName;
034    
035    import java.io.IOException;
036    import java.util.List;
037    
038    public class JetClassElementType extends JetStubElementType<PsiJetClassStub, JetClass> {
039        public JetClassElementType(@NotNull @NonNls String debugName) {
040            super(debugName);
041        }
042    
043        @Override
044        public JetClass createPsi(@NotNull PsiJetClassStub stub) {
045            return !stub.isEnumEntry() ? new JetClass(stub) : new JetEnumEntry(stub);
046        }
047    
048        @Override
049        public JetClass createPsiFromAst(@NotNull ASTNode node) {
050            return node.getElementType() != JetStubElementTypes.ENUM_ENTRY ? new JetClass(node) : new JetEnumEntry(node);
051        }
052    
053        @Override
054        public boolean shouldCreateStub(ASTNode node) {
055            return true;
056        }
057    
058        @Override
059        public PsiJetClassStub createStub(@NotNull JetClass psi, StubElement parentStub) {
060            FqName fqName = JetPsiUtil.getFQName(psi);
061            boolean isEnumEntry = psi instanceof JetEnumEntry;
062            List<String> superNames = PsiUtilPackage.getSuperNames(psi);
063            return new PsiJetClassStubImpl(
064                    getStubType(isEnumEntry),
065                    parentStub,
066                    fqName != null ? fqName.asString() : null,
067                    psi.getName(),
068                    superNames,
069                    psi.isTrait(),
070                    psi.isEnum(),
071                    isEnumEntry,
072                    psi.isAnnotation(),
073                    psi.isInner(),
074                    JetPsiUtil.isLocal(psi)
075            );
076        }
077    
078        @Override
079        public void serialize(@NotNull PsiJetClassStub stub, @NotNull StubOutputStream dataStream) throws IOException {
080            dataStream.writeName(stub.getName());
081            FqName fqName = stub.getFqName();
082            dataStream.writeName(fqName == null ? null : fqName.asString());
083            dataStream.writeBoolean(stub.isTrait());
084            dataStream.writeBoolean(stub.isEnumClass());
085            dataStream.writeBoolean(stub.isEnumEntry());
086            dataStream.writeBoolean(stub.isAnnotation());
087            dataStream.writeBoolean(stub.isInner());
088            dataStream.writeBoolean(stub.isLocal());
089    
090            List<String> superNames = stub.getSuperNames();
091            dataStream.writeVarInt(superNames.size());
092            for (String name : superNames) {
093                dataStream.writeName(name);
094            }
095        }
096    
097        @NotNull
098        @Override
099        public PsiJetClassStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
100            StringRef name = dataStream.readName();
101            StringRef qualifiedName = dataStream.readName();
102            boolean isTrait = dataStream.readBoolean();
103            boolean isEnumClass = dataStream.readBoolean();
104            boolean isEnumEntry = dataStream.readBoolean();
105            boolean isAnnotation = dataStream.readBoolean();
106            boolean isInner = dataStream.readBoolean();
107            boolean isLocal = dataStream.readBoolean();
108    
109            int superCount = dataStream.readVarInt();
110            StringRef[] superNames = StringRef.createArray(superCount);
111            for (int i = 0; i < superCount; i++) {
112                superNames[i] = dataStream.readName();
113            }
114    
115            return new PsiJetClassStubImpl(getStubType(isEnumEntry), parentStub, qualifiedName, name, superNames,
116                                           isTrait, isEnumClass, isEnumEntry, isAnnotation, isInner, isLocal);
117        }
118    
119        @Override
120        public void indexStub(@NotNull PsiJetClassStub stub, @NotNull IndexSink sink) {
121            StubIndexServiceFactory.getInstance().indexClass(stub, sink);
122        }
123    
124        private static JetClassElementType getStubType(boolean isEnumEntry) {
125            return isEnumEntry ? JetStubElementTypes.ENUM_ENTRY : JetStubElementTypes.CLASS;
126        }
127    }