| /* |
| * Copyright 2017 The Bazel Authors. All rights reserved. |
| * |
| * 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.google.idea.blaze.java.lang.build.references; |
| |
| import static com.intellij.patterns.PlatformPatterns.psiElement; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.idea.blaze.base.lang.buildfile.language.BuildFileLanguage; |
| import com.google.idea.blaze.base.lang.buildfile.psi.Argument.Keyword; |
| import com.google.idea.blaze.base.lang.buildfile.psi.StringLiteral; |
| import com.google.idea.blaze.base.lang.buildfile.references.AttributeSpecificStringLiteralReferenceProvider; |
| import com.intellij.patterns.ElementPattern; |
| import com.intellij.patterns.PatternCondition; |
| import com.intellij.patterns.PatternConditionPlus; |
| import com.intellij.patterns.StandardPatterns; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.impl.PsiElementBase; |
| import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry; |
| import com.intellij.util.PairProcessor; |
| import com.intellij.util.ProcessingContext; |
| |
| /** Handles attribute values which should be fully-qualified java class names. */ |
| public class JavaClassQualifiedNameReference |
| implements AttributeSpecificStringLiteralReferenceProvider { |
| |
| private static final ImmutableSet<String> JAVA_CLASS_STRING_TYPES = |
| ImmutableSet.of("main_class", "test_class"); |
| |
| public static final ElementPattern<StringLiteral> PATTERN = |
| psiElement(StringLiteral.class) |
| .withLanguage(BuildFileLanguage.INSTANCE) |
| .inside( |
| psiElement(Keyword.class) |
| .with(nameCondition(StandardPatterns.string().oneOf(JAVA_CLASS_STRING_TYPES)))); |
| |
| private static PatternCondition<PsiElementBase> nameCondition(final ElementPattern pattern) { |
| return new PatternConditionPlus<PsiElementBase, String>("_withPsiName", pattern) { |
| @Override |
| public boolean processValues( |
| PsiElementBase t, |
| ProcessingContext context, |
| PairProcessor<String, ProcessingContext> processor) { |
| return processor.process(t.getName(), context); |
| } |
| }; |
| } |
| |
| @Override |
| public PsiReference[] getReferences(String attributeName, StringLiteral literal) { |
| if (!JAVA_CLASS_STRING_TYPES.contains(attributeName)) { |
| return PsiReference.EMPTY_ARRAY; |
| } |
| return ReferenceProvidersRegistry.getReferencesFromProviders(literal); |
| } |
| } |