| /* |
| * 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.base.lang.buildfile.references; |
| |
| import com.google.idea.blaze.base.lang.buildfile.psi.StringLiteral; |
| import com.intellij.openapi.extensions.ExtensionPointName; |
| import com.intellij.psi.PsiReference; |
| |
| /** Non-default reference provider for {@link StringLiteral} values for a given attribute type. */ |
| public interface AttributeSpecificStringLiteralReferenceProvider { |
| |
| ExtensionPointName<AttributeSpecificStringLiteralReferenceProvider> EP_NAME = |
| ExtensionPointName.create( |
| "com.google.idea.blaze.AttributeSpecificStringLiteralReferenceProvider"); |
| |
| /** Find a reference type specific to values of this attribute. */ |
| static PsiReference[] findReferences(String attributeName, StringLiteral literal) { |
| for (AttributeSpecificStringLiteralReferenceProvider provider : EP_NAME.getExtensions()) { |
| PsiReference[] refs = provider.getReferences(attributeName, literal); |
| if (refs.length != 0) { |
| return refs; |
| } |
| } |
| return PsiReference.EMPTY_ARRAY; |
| } |
| |
| /** Find references specific to this attribute. */ |
| PsiReference[] getReferences(String attributeName, StringLiteral literal); |
| } |