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.JetTypeParameter;
028    import org.jetbrains.jet.lang.psi.JetTypeReference;
029    import org.jetbrains.jet.lang.psi.stubs.PsiJetTypeParameterStub;
030    import org.jetbrains.jet.lang.psi.stubs.impl.PsiJetTypeParameterStubImpl;
031    import org.jetbrains.jet.lang.types.Variance;
032    
033    import java.io.IOException;
034    
035    public class JetTypeParameterElementType extends JetStubElementType<PsiJetTypeParameterStub, JetTypeParameter> {
036        public JetTypeParameterElementType(@NotNull @NonNls String debugName) {
037            super(debugName);
038        }
039    
040        @Override
041        public JetTypeParameter createPsiFromAst(@NotNull ASTNode node) {
042            return new JetTypeParameter(node);
043        }
044    
045        @Override
046        public JetTypeParameter createPsi(@NotNull PsiJetTypeParameterStub stub) {
047            return new JetTypeParameter(stub, JetStubElementTypes.TYPE_PARAMETER);
048        }
049    
050        @Override
051        public PsiJetTypeParameterStub createStub(@NotNull JetTypeParameter psi, StubElement parentStub) {
052            JetTypeReference extendsBound = psi.getExtendsBound();
053            return new PsiJetTypeParameterStubImpl(JetStubElementTypes.TYPE_PARAMETER, parentStub,
054                    psi.getName(),
055                    extendsBound != null ? extendsBound.getText() : null,
056                    psi.getVariance() == Variance.IN_VARIANCE,
057                    psi.getVariance() == Variance.OUT_VARIANCE);
058        }
059    
060        @Override
061        public void serialize(PsiJetTypeParameterStub stub, StubOutputStream dataStream) throws IOException {
062            dataStream.writeName(stub.getName());
063            dataStream.writeName(stub.getExtendBoundTypeText());
064            dataStream.writeBoolean(stub.isInVariance());
065            dataStream.writeBoolean(stub.isOutVariance());
066        }
067    
068        @Override
069        public PsiJetTypeParameterStub deserialize(StubInputStream dataStream, StubElement parentStub) throws IOException {
070            StringRef name = dataStream.readName();
071            StringRef extendBoundTypeText = dataStream.readName();
072            boolean isInVariance = dataStream.readBoolean();
073            boolean isOutVariance = dataStream.readBoolean();
074    
075            return new PsiJetTypeParameterStubImpl(JetStubElementTypes.TYPE_PARAMETER, parentStub,
076                    name, extendBoundTypeText, isInVariance, isOutVariance);
077        }
078    
079        @Override
080        public void indexStub(PsiJetTypeParameterStub stub, IndexSink sink) {
081            // No index
082        }
083    }