| /* |
| * Copyright 2006 Sascha Weinreuter |
| * |
| * 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 org.intellij.lang.regexp.validation; |
| |
| import com.intellij.codeInsight.intention.IntentionAction; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiFileFactory; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import org.intellij.lang.regexp.RegExpFileType; |
| import org.intellij.lang.regexp.psi.RegExpClosure; |
| import org.intellij.lang.regexp.psi.RegExpPattern; |
| import org.intellij.lang.regexp.psi.RegExpQuantifier; |
| import org.jetbrains.annotations.NotNull; |
| |
| class SimplifyQuantifierAction implements IntentionAction { |
| private final RegExpQuantifier myQuantifier; |
| private final String myReplacement; |
| |
| public SimplifyQuantifierAction(RegExpQuantifier quantifier, String s) { |
| myQuantifier = quantifier; |
| myReplacement = s; |
| } |
| |
| @NotNull |
| public String getText() { |
| return myReplacement == null ? "Simplify" : "Replace with '" + myReplacement + "'"; |
| } |
| |
| @NotNull |
| public String getFamilyName() { |
| return "Simplify Quantifier"; |
| } |
| |
| public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) { |
| return myQuantifier.isValid(); |
| } |
| |
| public void invoke(@NotNull Project project, Editor editor, PsiFile file) throws IncorrectOperationException { |
| if (myReplacement == null) { |
| myQuantifier.delete(); |
| } else { |
| final PsiFileFactory factory = PsiFileFactory.getInstance(project); |
| |
| final PsiFile f = factory.createFileFromText("dummy.regexp", RegExpFileType.INSTANCE, "a" + myReplacement + myQuantifier.getType().getToken()); |
| final RegExpPattern pattern = PsiTreeUtil.getChildOfType(f, RegExpPattern.class); |
| assert pattern != null; |
| |
| final RegExpClosure closure = (RegExpClosure)pattern.getBranches()[0].getAtoms()[0]; |
| myQuantifier.replace(closure.getQuantifier()); |
| } |
| } |
| |
| public boolean startInWriteAction() { |
| return true; |
| } |
| } |