| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * 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.jetbrains.python.inspections.quickfix; |
| |
| import com.intellij.codeInspection.LocalQuickFix; |
| import com.intellij.codeInspection.ProblemDescriptor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.jetbrains.python.PyBundle; |
| import com.jetbrains.python.psi.PyBinaryExpression; |
| import com.jetbrains.python.psi.PyExpression; |
| import com.jetbrains.python.psi.PyParenthesizedExpression; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * User: catherine |
| * |
| * QuickFix to remove redundant parentheses from if/while/except statement |
| */ |
| public class RedundantParenthesesQuickFix implements LocalQuickFix { |
| @NotNull |
| public String getName() { |
| return PyBundle.message("QFIX.redundant.parentheses"); |
| } |
| |
| @NotNull |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) { |
| PsiElement element = descriptor.getPsiElement(); |
| PsiElement binaryExpression = ((PyParenthesizedExpression)element).getContainedExpression(); |
| PyBinaryExpression parent = PsiTreeUtil.getParentOfType(element, PyBinaryExpression.class); |
| if (binaryExpression instanceof PyBinaryExpression && parent != null) { |
| if (!replaceBinaryExpression((PyBinaryExpression)binaryExpression)) { |
| element.replace(binaryExpression); |
| } |
| } |
| else { |
| while (element instanceof PyParenthesizedExpression) { |
| PyExpression expression = ((PyParenthesizedExpression)element).getContainedExpression(); |
| if (expression != null) { |
| element = element.replace(expression); |
| } |
| } |
| } |
| } |
| |
| private static boolean replaceBinaryExpression(PyBinaryExpression element) { |
| PyExpression left = element.getLeftExpression(); |
| PyExpression right = element.getRightExpression(); |
| if (left instanceof PyParenthesizedExpression && |
| right instanceof PyParenthesizedExpression) { |
| PyExpression leftContained = ((PyParenthesizedExpression)left).getContainedExpression(); |
| PyExpression rightContained = ((PyParenthesizedExpression)right).getContainedExpression(); |
| if (leftContained != null && rightContained != null) { |
| left.replace(leftContained); |
| right.replace(rightContained); |
| return true; |
| } |
| } |
| return false; |
| } |
| } |