| /* |
| * Copyright 2000-2009 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.intellij.patterns; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiMethod; |
| import com.intellij.psi.PsiParameter; |
| import com.intellij.util.PairProcessor; |
| import com.intellij.util.ProcessingContext; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author Gregory Shrago |
| */ |
| public class PsiParameterPattern extends PsiModifierListOwnerPattern<PsiParameter, PsiParameterPattern> { |
| |
| protected PsiParameterPattern() { |
| super(PsiParameter.class); |
| } |
| |
| public PsiParameterPattern ofMethod(final int index, final ElementPattern pattern) { |
| return with(new PatternConditionPlus<PsiParameter, PsiMethod>("ofMethod", pattern) { |
| @Override |
| public boolean processValues(PsiParameter t, |
| ProcessingContext context, |
| PairProcessor<PsiMethod, ProcessingContext> processor) { |
| PsiElement scope = t.getDeclarationScope(); |
| if (!(scope instanceof PsiMethod)) return true; |
| return processor.process((PsiMethod)scope, context); |
| } |
| |
| public boolean accepts(@NotNull final PsiParameter t, final ProcessingContext context) { |
| if (!super.accepts(t, context)) return false; |
| final PsiMethod psiMethod = (PsiMethod)t.getDeclarationScope(); |
| |
| final PsiParameter[] parameters = psiMethod.getParameterList().getParameters(); |
| if (index < 0 || index >= parameters.length || !t.equals(parameters[index])) return false; |
| return true; |
| } |
| }); |
| } |
| } |