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.lazy.ResolveSessionUtils;
034    import org.jetbrains.jet.lang.resolve.name.FqName;
035    
036    import java.io.IOException;
037    import java.util.List;
038    
039    public class JetClassElementType extends JetStubElementType<PsiJetClassStub, JetClass> {
040        public JetClassElementType(@NotNull @NonNls String debugName) {
041            super(debugName);
042        }
043    
044        @Override
045        public JetClass createPsi(@NotNull PsiJetClassStub stub) {
046            return !stub.isEnumEntry() ? new JetClass(stub) : new JetEnumEntry(stub);
047        }
048    
049        @Override
050        public JetClass createPsiFromAst(@NotNull ASTNode node) {
051            return node.getElementType() != JetStubElementTypes.ENUM_ENTRY ? new JetClass(node) : new JetEnumEntry(node);
052        }
053    
054        @Override
055        public boolean shouldCreateStub(ASTNode node) {
056            return true;
057        }
058    
059        @Override
060        public PsiJetClassStub createStub(@NotNull JetClass psi, StubElement parentStub) {
061            FqName fqName = ResolveSessionUtils.safeFqNameForLazyResolve(psi);
062            boolean isEnumEntry = psi instanceof JetEnumEntry;
063            List<String> superNames = PsiUtilPackage.getSuperNames(psi);
064            return new PsiJetClassStubImpl(
065                    getStubType(isEnumEntry),
066                    parentStub,
067                    fqName != null ? fqName.asString() : null,
068                    psi.getName(),
069                    superNames,
070                    psi.isTrait(),
071                    psi.isEnum(),
072                    isEnumEntry,
073                    psi.isAnnotation(),
074                    psi.isInner(),
075                    JetPsiUtil.isLocal(psi)
076            );
077        }
078    
079        @Override
080        public void serialize(@NotNull PsiJetClassStub stub, @NotNull StubOutputStream dataStream) throws IOException {
081            dataStream.writeName(stub.getName());
082            FqName fqName = stub.getFqName();
083            dataStream.writeName(fqName == null ? null : fqName.asString());
084            dataStream.writeBoolean(stub.isTrait());
085            dataStream.writeBoolean(stub.isEnumClass());
086            dataStream.writeBoolean(stub.isEnumEntry());
087            dataStream.writeBoolean(stub.isAnnotation());
088            dataStream.writeBoolean(stub.isInner());
089            dataStream.writeBoolean(stub.isLocal());
090    
091            List<String> superNames = stub.getSuperNames();
092            dataStream.writeVarInt(superNames.size());
093            for (String name : superNames) {
094                dataStream.writeName(name);
095            }
096        }
097    
098        @NotNull
099        @Override
100        public PsiJetClassStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
101            StringRef name = dataStream.readName();
102            StringRef qualifiedName = dataStream.readName();
103            boolean isTrait = dataStream.readBoolean();
104            boolean isEnumClass = dataStream.readBoolean();
105            boolean isEnumEntry = dataStream.readBoolean();
106            boolean isAnnotation = dataStream.readBoolean();
107            boolean isInner = dataStream.readBoolean();
108            boolean isLocal = dataStream.readBoolean();
109    
110            int superCount = dataStream.readVarInt();
111            StringRef[] superNames = StringRef.createArray(superCount);
112            for (int i = 0; i < superCount; i++) {
113                superNames[i] = dataStream.readName();
114            }
115    
116            return new PsiJetClassStubImpl(getStubType(isEnumEntry), parentStub, qualifiedName, name, superNames,
117                                           isTrait, isEnumClass, isEnumEntry, isAnnotation, isInner, isLocal);
118        }
119    
120        @Override
121        public void indexStub(@NotNull PsiJetClassStub stub, @NotNull IndexSink sink) {
122            StubIndexServiceFactory.getInstance().indexClass(stub, sink);
123        }
124    
125        private static JetClassElementType getStubType(boolean isEnumEntry) {
126            return isEnumEntry ? JetStubElementTypes.ENUM_ENTRY : JetStubElementTypes.CLASS;
127        }
128    }