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// 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.syntax;
import com.google.common.collect.Iterables;
import java.util.Map;
/**
* The value passed to a select({...}) statement, e.g.:
*
* <pre>
* rule(
* name = 'myrule',
* deps = select({
* 'a': [':adep'],
* 'b': [':bdep'],
* })
* </pre>
*/
public final class SelectorValue {
// TODO(build-team): Selectors are currently split between .packages and .syntax . They should
// really all be in .packages, but then we'd need to figure out a way how to extend binary
// operators, which is a non-trivial problem.
private final Map<?, ?> dictionary;
private final Class<?> type;
public SelectorValue(Map<?, ?> dictionary) {
this.dictionary = dictionary;
this.type = dictionary.isEmpty() ? null : Iterables.get(dictionary.values(), 0).getClass();
}
public Map<?, ?> getDictionary() {
return dictionary;
}
Class<?> getType() {
return type;
}
@Override
public String toString() {
return "selector({...})";
}
}
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