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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.rules.objc;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.xcode.util.Value;
/**
* Provides information contained in a {@code objc_options} target.
*/
@Immutable
final class OptionsProvider
extends Value<OptionsProvider>
implements TransitiveInfoProvider {
static final class Builder {
private Iterable<String> copts = ImmutableList.of();
private final NestedSetBuilder<Artifact> infoplists = NestedSetBuilder.stableOrder();
/**
* Adds copts to the end of the copts sequence.
*/
public Builder addCopts(Iterable<String> copts) {
this.copts = Iterables.concat(this.copts, copts);
return this;
}
public Builder addInfoplists(Iterable<Artifact> infoplists) {
this.infoplists.addAll(infoplists);
return this;
}
/**
* Adds infoplists and copts from the given provider, if present. copts are added to the end of
* the sequence.
*/
public Builder addTransitive(Optional<OptionsProvider> maybeProvider) {
for (OptionsProvider provider : maybeProvider.asSet()) {
this.copts = Iterables.concat(this.copts, provider.copts);
this.infoplists.addTransitive(provider.infoplists);
}
return this;
}
public OptionsProvider build() {
return new OptionsProvider(ImmutableList.copyOf(copts), infoplists.build());
}
}
public static final OptionsProvider DEFAULT = new Builder().build();
private final ImmutableList<String> copts;
private final NestedSet<Artifact> infoplists;
private OptionsProvider(ImmutableList<String> copts, NestedSet<Artifact> infoplists) {
super(copts, infoplists);
this.copts = Preconditions.checkNotNull(copts);
this.infoplists = Preconditions.checkNotNull(infoplists);
}
public ImmutableList<String> getCopts() {
return copts;
}
public NestedSet<Artifact> getInfoplists() {
return infoplists;
}
}
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