| /* |
| * Copyright 2000-2014 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.psi.impl.source.resolve.reference; |
| |
| import com.intellij.lang.Language; |
| import com.intellij.openapi.components.ServiceManager; |
| import com.intellij.openapi.progress.ProgressIndicatorProvider; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiUtilCore; |
| import com.intellij.util.ProcessingContext; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * User: ik |
| * Date: 27.03.2003 |
| * Time: 17:13:45 |
| * To change this template use Options | File Templates. |
| */ |
| public abstract class ReferenceProvidersRegistry { |
| public static final PsiReferenceProvider NULL_REFERENCE_PROVIDER = new PsiReferenceProvider() { |
| @NotNull |
| @Override |
| public PsiReference[] getReferencesByElement(@NotNull PsiElement element, @NotNull ProcessingContext context) { |
| return PsiReference.EMPTY_ARRAY; |
| } |
| }; |
| |
| public static ReferenceProvidersRegistry getInstance() { |
| return ServiceManager.getService(ReferenceProvidersRegistry.class); |
| } |
| |
| @NotNull |
| public abstract PsiReferenceRegistrar getRegistrar(@NotNull Language language); |
| |
| /** |
| * @see #getReferencesFromProviders(com.intellij.psi.PsiElement) |
| */ |
| @Deprecated |
| @NotNull |
| public static PsiReference[] getReferencesFromProviders(@NotNull PsiElement context, @NotNull Class clazz) { |
| return getReferencesFromProviders(context, PsiReferenceService.Hints.NO_HINTS); |
| } |
| |
| @NotNull |
| public static PsiReference[] getReferencesFromProviders(@NotNull PsiElement context) { |
| return getReferencesFromProviders(context, PsiReferenceService.Hints.NO_HINTS); |
| } |
| |
| @NotNull |
| public static PsiReference[] getReferencesFromProviders(@NotNull PsiElement context, @NotNull PsiReferenceService.Hints hints) { |
| ProgressIndicatorProvider.checkCanceled(); |
| PsiUtilCore.ensureValid(context); |
| |
| ReferenceProvidersRegistry registry = getInstance(); |
| return registry.doGetReferencesFromProviders(context, hints); |
| } |
| |
| @NotNull |
| protected abstract PsiReference[] doGetReferencesFromProviders(@NotNull PsiElement context, @NotNull PsiReferenceService.Hints hints); |
| } |