| /* |
| * 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.lang; |
| |
| import com.intellij.psi.PsiFile; |
| import com.intellij.util.containers.ContainerUtil; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class CompositeLanguage extends Language { |
| private final List<LanguageFilter> myFilters = ContainerUtil.createLockFreeCopyOnWriteList(); |
| |
| protected CompositeLanguage(final String id) { |
| super(id); |
| } |
| |
| protected CompositeLanguage(final String ID, final String... mimeTypes) { |
| super(ID, mimeTypes); |
| } |
| |
| protected CompositeLanguage(Language baseLanguage, final String ID, final String... mimeTypes) { |
| super(baseLanguage, ID, mimeTypes); |
| } |
| |
| public void registerLanguageExtension(LanguageFilter filter) { |
| if (!myFilters.contains(filter)) myFilters.add(filter); |
| } |
| |
| public boolean unregisterLanguageExtension(LanguageFilter filter) { |
| return myFilters.remove(filter); |
| } |
| |
| public Language[] getLanguageExtensionsForFile(final PsiFile psi) { |
| final List<Language> extensions = new ArrayList<Language>(1); |
| for (LanguageFilter filter : myFilters) { |
| if (filter.isRelevantForFile(psi)) extensions.add(filter.getLanguage()); |
| } |
| return extensions.toArray(new Language[extensions.size()]); |
| } |
| |
| public LanguageFilter[] getLanguageExtensions() { |
| return myFilters.toArray(new LanguageFilter[myFilters.size()]); |
| } |
| } |