001    /*
002     * Copyright 2010-2015 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.kotlin.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.psi.PsiElement;
021    import org.jetbrains.annotations.NotNull;
022    import org.jetbrains.annotations.Nullable;
023    import org.jetbrains.kotlin.JetNodeTypes;
024    import org.jetbrains.kotlin.lexer.JetTokens;
025    
026    public class JetWhenConditionInRange extends JetWhenCondition {
027        public JetWhenConditionInRange(@NotNull ASTNode node) {
028            super(node);
029        }
030    
031        public boolean isNegated() {
032            return getNode().findChildByType(JetTokens.NOT_IN) != null;
033        }
034    
035        @Nullable @IfNotParsed
036        public JetExpression getRangeExpression() {
037            // Copied from JetBinaryExpression
038            ASTNode node = getOperationReference().getNode().getTreeNext();
039            while (node != null) {
040                PsiElement psi = node.getPsi();
041                if (psi instanceof JetExpression) {
042                    return (JetExpression) psi;
043                }
044                node = node.getTreeNext();
045            }
046    
047            return null;
048        }
049    
050        @Override
051        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
052            return visitor.visitWhenConditionInRange(this, data);
053        }
054    
055        @NotNull
056        public JetSimpleNameExpression getOperationReference() {
057            return (JetSimpleNameExpression) findChildByType(JetNodeTypes.OPERATION_REFERENCE);
058        }
059    }