| // Copyright 2014 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.devtools.build.lib.rules.objc; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.analysis.RuleContext; |
| import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget.Mode; |
| import java.util.Locale; |
| |
| /** |
| * Attributes containing one or more labels. |
| */ |
| public enum ArtifactListAttribute { |
| BUNDLE_IMPORTS; |
| |
| public String attrName() { |
| return name().toLowerCase(Locale.US); |
| } |
| |
| /** |
| * The artifacts specified by this attribute on the given rule. Returns an empty sequence if the |
| * attribute is omitted or not available on the rule type. |
| */ |
| public Iterable<Artifact> get(RuleContext context) { |
| if (context.attributes().getAttributeDefinition(attrName()) == null) { |
| return ImmutableList.of(); |
| } else { |
| return context.getPrerequisiteArtifacts(attrName(), Mode.TARGET).list(); |
| } |
| } |
| } |