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.impl;
018    
019    import com.intellij.psi.stubs.IStubElementType;
020    import com.intellij.psi.stubs.StubBase;
021    import com.intellij.psi.stubs.StubElement;
022    import com.intellij.util.ArrayUtil;
023    import com.intellij.util.io.StringRef;
024    import org.jetbrains.annotations.NotNull;
025    import org.jetbrains.annotations.Nullable;
026    import org.jetbrains.jet.lang.psi.JetNamedFunction;
027    import org.jetbrains.jet.lang.psi.stubs.PsiJetFunctionStub;
028    import org.jetbrains.jet.lang.resolve.name.FqName;
029    
030    public class PsiJetFunctionStubImpl extends StubBase<JetNamedFunction> implements PsiJetFunctionStub {
031    
032        private final StringRef nameRef;
033        private final boolean isTopLevel;
034        private final boolean isExtension;
035        private final FqName topFQName;
036    
037        public PsiJetFunctionStubImpl(
038                @NotNull IStubElementType elementType,
039                @NotNull StubElement parent,
040                @Nullable String name,
041                boolean isTopLevel,
042                @Nullable FqName topFQName,
043                boolean isExtension) {
044            this(elementType, parent, StringRef.fromString(name), isTopLevel, topFQName, isExtension);
045        }
046    
047        public PsiJetFunctionStubImpl(
048                @NotNull IStubElementType elementType,
049                @NotNull StubElement parent,
050                @Nullable StringRef nameRef,
051                boolean isTopLevel,
052                @Nullable FqName topFQName,
053                boolean isExtension) {
054            super(parent, elementType);
055    
056            if (isTopLevel && topFQName == null) {
057                throw new IllegalArgumentException("topFQName shouldn't be null for top level functions");
058            }
059    
060            this.nameRef = nameRef;
061            this.topFQName = topFQName;
062            this.isTopLevel = isTopLevel;
063            this.isExtension = isExtension;
064        }
065    
066        @Override
067        public String getName() {
068            return StringRef.toString(nameRef);
069        }
070    
071        @Nullable
072        @Override
073        public FqName getTopFQName() {
074            return topFQName;
075        }
076    
077        @Override
078        public boolean isTopLevel() {
079            return isTopLevel;
080        }
081    
082        @Override
083        public boolean isExtension() {
084            return isExtension;
085        }
086    
087        @NotNull
088        @Override
089        public String[] getAnnotations() {
090            // TODO (stubs)
091            return ArrayUtil.EMPTY_STRING_ARRAY;
092        }
093    
094        @Override
095        public String toString() {
096            StringBuilder builder = new StringBuilder();
097            builder.append("PsiJetFunctionStubImpl[");
098    
099            if (isTopLevel()) {
100                assert topFQName != null;
101                builder.append("top ").append("topFQName=").append(topFQName.toString()).append(" ");
102            }
103    
104            if (isExtension()) {
105                builder.append("ext ");
106            }
107    
108            builder.append("name=").append(getName());
109    
110            builder.append("]");
111    
112            return builder.toString();
113        }
114    }