| /* |
| * 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.PsiWhiteSpace; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.containers.Stack; |
| import com.jetbrains.python.PyBundle; |
| import com.jetbrains.python.editor.PythonEnterHandler; |
| import com.jetbrains.python.psi.*; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * User: catherine |
| * |
| * QuickFix to remove all unnecessary backslashes in expression |
| */ |
| public class RemoveUnnecessaryBackslashQuickFix implements LocalQuickFix { |
| @NotNull |
| public String getName() { |
| return PyBundle.message("QFIX.remove.unnecessary.backslash"); |
| } |
| |
| @NotNull |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) { |
| PsiElement problemElement = descriptor.getPsiElement(); |
| if (problemElement != null) { |
| PsiElement parent = PsiTreeUtil.getParentOfType(problemElement, PythonEnterHandler.IMPLICIT_WRAP_CLASSES); |
| removeBackSlash(parent); |
| } |
| } |
| |
| public static void removeBackSlash(PsiElement parent) { |
| if (parent != null) { |
| Stack<PsiElement> stack = new Stack<PsiElement>(); |
| if (parent instanceof PyParenthesizedExpression) |
| stack.push(((PyParenthesizedExpression)parent).getContainedExpression()); |
| else |
| stack.push(parent); |
| while (!stack.isEmpty()) { |
| PsiElement el = stack.pop(); |
| PsiWhiteSpace[] children = PsiTreeUtil.getChildrenOfType(el, PsiWhiteSpace.class); |
| if (children != null) { |
| for (PsiWhiteSpace ws : children) { |
| if (ws.getText().contains("\\")) { |
| ws.delete(); |
| } |
| } |
| } |
| for (PsiElement psiElement : el.getChildren()) { |
| stack.push(psiElement); |
| } |
| } |
| } |
| } |
| } |