// Copyright 2014 Google Inc. 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.packages; import com.google.common.base.Preconditions; import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableSet; import com.google.devtools.build.lib.syntax.Label; import java.util.Collection; import java.util.List; import javax.annotation.Nullable; /** * {@link AttributeMap} implementation that returns raw attribute information as contained * within a {@link Rule}. In particular, configurable attributes of the form * { config1: "value1", config2: "value2" } are passed through without being resolved to a * final value. */ public class RawAttributeMapper extends AbstractAttributeMapper { RawAttributeMapper(Package pkg, RuleClass ruleClass, Label ruleLabel, AttributeContainer attributes) { super(pkg, ruleClass, ruleLabel, attributes); } public static RawAttributeMapper of(Rule rule) { return new RawAttributeMapper(rule.getPackage(), rule.getRuleClassObject(), rule.getLabel(), rule.getAttributeContainer()); } /** * Variation of {@link #get} that merges the values of configurable lists together (with * duplicates removed). * *
For example, given: *
* attr = select({ * ':condition1': [A, B, C], * ':condition2': [C, D] * }), ** this returns the value
[A, B, C, D]
.
*
* If the attribute isn't configurable (e.g. attr = [A, B]
), returns
* its raw value.
*
*
Throws an {@link IllegalStateException} if the attribute isn't a list type.
*/
@Nullable
public > type) {
Preconditions.checkState(type instanceof Type.ListType);
if (!isConfigurable(attributeName, type)) {
return get(attributeName, type);
}
ImmutableSet.Builder
> selector : getSelectorList(attributeName, type).getSelectors()) {
for (List