| /* |
| * Copyright 2007-2014 Dave Griffith, Bas Leijdekkers |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.siyeh.ipp.expression; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiExpression; |
| import com.intellij.psi.PsiJavaToken; |
| import com.intellij.psi.PsiPolyadicExpression; |
| import com.siyeh.ig.psiutils.ComparisonUtils; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| |
| class ExpressionPredicate implements PsiElementPredicate { |
| |
| public boolean satisfiedBy(PsiElement element) { |
| if (!(element instanceof PsiJavaToken)) { |
| return false; |
| } |
| final PsiElement parent = element.getParent(); |
| if (!(parent instanceof PsiPolyadicExpression)) { |
| return false; |
| } |
| final PsiPolyadicExpression expression = (PsiPolyadicExpression)parent; |
| final PsiExpression[] operands = expression.getOperands(); |
| if (operands.length < 2) { |
| return false; |
| } |
| PsiExpression prevOperand = null; |
| for (PsiExpression operand : operands) { |
| final PsiJavaToken token = expression.getTokenBeforeOperand(operand); |
| if (element == token) { |
| if (prevOperand == null || operand.getText().equals(prevOperand.getText())) { |
| return false; |
| } |
| break; |
| } |
| prevOperand = operand; |
| } |
| return !ComparisonUtils.isComparison(expression); |
| } |
| } |