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.stubs.PsiJetClassStub;
031    import org.jetbrains.jet.lang.psi.stubs.impl.PsiJetClassStubImpl;
032    import org.jetbrains.jet.lang.resolve.name.FqName;
033    
034    import java.io.IOException;
035    import java.util.List;
036    
037    public class JetClassElementType extends JetStubElementType<PsiJetClassStub, JetClass> {
038    
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 PsiJetClassStub createStub(@NotNull JetClass psi, StubElement parentStub) {
055            FqName fqName = JetPsiUtil.getFQName(psi);
056            boolean isEnumEntry = psi instanceof JetEnumEntry;
057            return new PsiJetClassStubImpl(getStubType(isEnumEntry), parentStub, fqName != null ? fqName.asString() : null, psi.getName(),
058                                           psi.getSuperNames(), psi.isTrait(), psi.isEnum(), isEnumEntry, psi.isAnnotation(), psi.isInner());
059        }
060    
061        @Override
062        public void serialize(PsiJetClassStub stub, StubOutputStream dataStream) throws IOException {
063            dataStream.writeName(stub.getName());
064            FqName fqName = stub.getFqName();
065            dataStream.writeName(fqName == null ? null : fqName.asString());
066            dataStream.writeBoolean(stub.isTrait());
067            dataStream.writeBoolean(stub.isEnumClass());
068            dataStream.writeBoolean(stub.isEnumEntry());
069            dataStream.writeBoolean(stub.isAnnotation());
070            dataStream.writeBoolean(stub.isInner());
071    
072            List<String> superNames = stub.getSuperNames();
073            dataStream.writeVarInt(superNames.size());
074            for (String name : superNames) {
075                dataStream.writeName(name);
076            }
077        }
078    
079        @Override
080        public PsiJetClassStub deserialize(StubInputStream dataStream, StubElement parentStub) throws IOException {
081            StringRef name = dataStream.readName();
082            StringRef qualifiedName = dataStream.readName();
083            boolean isTrait = dataStream.readBoolean();
084            boolean isEnumClass = dataStream.readBoolean();
085            boolean isEnumEntry = dataStream.readBoolean();
086            boolean isAnnotation = dataStream.readBoolean();
087            boolean isInner = dataStream.readBoolean();
088    
089            int superCount = dataStream.readVarInt();
090            StringRef[] superNames = StringRef.createArray(superCount);
091            for (int i = 0; i < superCount; i++) {
092                superNames[i] = dataStream.readName();
093            }
094    
095            return new PsiJetClassStubImpl(getStubType(isEnumEntry), parentStub, qualifiedName, name, superNames,
096                                           isTrait, isEnumClass, isEnumEntry, isAnnotation, isInner);
097        }
098    
099        @Override
100        public void indexStub(PsiJetClassStub stub, IndexSink sink) {
101            StubIndexServiceFactory.getInstance().indexClass(stub, sink);
102        }
103    
104        private static JetClassElementType getStubType(boolean isEnumEntry) {
105            return isEnumEntry ? JetStubElementTypes.ENUM_ENTRY : JetStubElementTypes.CLASS;
106        }
107    }