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// Copyright 2015 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.proto;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.analysis.config.BuildConfiguration.Fragment;
import com.google.devtools.build.lib.analysis.config.BuildOptions;
import com.google.devtools.build.lib.analysis.config.ConfigurationEnvironment;
import com.google.devtools.build.lib.analysis.config.ConfigurationFragmentFactory;
import com.google.devtools.build.lib.analysis.config.FragmentOptions;
import com.google.devtools.build.lib.analysis.config.InvalidConfigurationException;
import com.google.devtools.common.options.Option;
import java.util.List;
/**
* Configuration for Protocol Buffer Libraries.
*/
public class ProtoConfiguration extends Fragment {
/**
* Command line options.
*/
public static class Options extends FragmentOptions {
@Option(name = "protocopt",
allowMultiple = true,
defaultValue = "",
category = "flags",
help = "Additional options to pass to the protobuf compiler.")
public List<String> protocOpts;
@Option(
name = "experimental_proto_extra_actions",
defaultValue = "false",
category = "experimental",
help = "Run extra actions for alternative Java api versions in a proto_library."
)
public boolean experimentalProtoExtraActions;
}
/**
* Loader class for proto.
*/
public static class Loader implements ConfigurationFragmentFactory {
@Override
public Fragment create(ConfigurationEnvironment env, BuildOptions buildOptions)
throws InvalidConfigurationException {
return new ProtoConfiguration(buildOptions.get(Options.class));
}
@Override
public Class<? extends Fragment> creates() {
return ProtoConfiguration.class;
}
@Override
public ImmutableSet<Class<? extends FragmentOptions>> requiredOptions() {
return ImmutableSet.<Class<? extends FragmentOptions>>of(Options.class);
}
}
private final Options options;
public ProtoConfiguration(Options options) {
this.options = options;
}
public List<String> protocOpts() {
return options.protocOpts;
}
/**
* Returns true if we will run extra actions for actions that are not run by default. If this
* is enabled, e.g. all extra_actions for alternative api-versions or language-flavours of a
* proto_library target are run.
*/
public boolean runExperimentalProtoExtraActions() {
return options.experimentalProtoExtraActions;
}
}
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