| /* |
| * 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. |
| */ |
| |
| /* |
| * @author max |
| */ |
| package com.intellij.lang; |
| |
| import com.intellij.formatting.CustomFormattingModelBuilder; |
| import com.intellij.formatting.FormattingModelBuilder; |
| import com.intellij.openapi.extensions.Extensions; |
| import com.intellij.psi.PsiElement; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class LanguageFormatting extends LanguageExtension<FormattingModelBuilder> { |
| public static final LanguageFormatting INSTANCE = new LanguageFormatting(); |
| |
| private LanguageFormatting() { |
| super("com.intellij.lang.formatter"); |
| } |
| |
| @Nullable |
| public FormattingModelBuilder forContext(@NotNull PsiElement context) { |
| return forContext(context.getLanguage(), context); |
| } |
| |
| @Nullable |
| public FormattingModelBuilder forContext(@NotNull Language language, @NotNull PsiElement context) { |
| for (LanguageFormattingRestriction each : Extensions.getExtensions(LanguageFormattingRestriction.EXTENSION)) { |
| if (!each.isFormatterAllowed(context)) return null; |
| } |
| for (FormattingModelBuilder builder : allForLanguage(language)) { |
| if (builder instanceof CustomFormattingModelBuilder) { |
| final CustomFormattingModelBuilder custom = (CustomFormattingModelBuilder)builder; |
| if (custom.isEngagedToFormat(context)) return builder; |
| } |
| } |
| return forLanguage(language); |
| } |
| } |