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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.objc;
import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.RuleConfiguredTargetBuilder;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.config.BuildOptions;
import com.google.devtools.build.lib.packages.Attribute.SplitTransition;
import com.google.devtools.build.lib.rules.apple.AppleConfiguration;
import com.google.devtools.build.lib.rules.apple.Platform;
import com.google.devtools.build.lib.rules.objc.ObjcProvider.Flag;
import com.google.devtools.build.lib.rules.objc.ReleaseBundlingSupport.SplitArchTransition;
import com.google.devtools.build.lib.rules.objc.ReleaseBundlingSupport.SplitArchTransition.ConfigurationDistinguisher;
/**
* Implementation for {@code ios_application}.
*/
public class IosApplication extends ReleaseBundlingTargetFactory {
/**
* Transition that when applied to a target generates a configured target for each value in
* {@code --ios_multi_cpus}, such that {@code --ios_cpu} is set to a different one of those values
* in the configured targets.
*/
public static final SplitTransition<BuildOptions> SPLIT_ARCH_TRANSITION =
new SplitArchTransition();
private static final ImmutableSet<Attribute> DEPENDENCY_ATTRIBUTES =
ImmutableSet.of(
new Attribute("binary", Mode.SPLIT),
new Attribute("extensions", Mode.TARGET));
public IosApplication() {
super(ReleaseBundlingSupport.APP_BUNDLE_DIR_FORMAT, XcodeProductType.APPLICATION,
DEPENDENCY_ATTRIBUTES, ConfigurationDistinguisher.IOS_APPLICATION);
}
/**
* Validates that there is exactly one watch extension for each OS version.
*/
@Override
protected void validateAttributes(RuleContext ruleContext) {
Iterable<ObjcProvider> extensionProviders = ruleContext.getPrerequisites(
"extensions", Mode.TARGET, ObjcProvider.class);
if (hasMoreThanOneWatchExtension(extensionProviders, Flag.HAS_WATCH1_EXTENSION)) {
ruleContext.attributeError("extensions", "An iOS application can contain exactly one "
+ "watch extension for each watch OS version");
}
}
private boolean hasMoreThanOneWatchExtension(Iterable<ObjcProvider> objcProviders,
final Flag watchExtensionVersionFlag) {
return Lists.newArrayList(Iterables.filter(objcProviders, new Predicate<ObjcProvider>() {
@Override
public boolean apply(ObjcProvider objcProvider) {
return objcProvider.is(watchExtensionVersionFlag);
}
})).size() > 1;
}
@Override
protected void configureTarget(RuleConfiguredTargetBuilder target, RuleContext ruleContext,
ReleaseBundlingSupport releaseBundlingSupport) throws InterruptedException {
// If this is an application built for the simulator, make it runnable.
AppleConfiguration appleConfiguration = ruleContext.getFragment(AppleConfiguration.class);
if (appleConfiguration.getBundlingPlatform() == Platform.IOS_SIMULATOR) {
Artifact runnerScript = ObjcRuleClasses.intermediateArtifacts(ruleContext).runnerScript();
Artifact ipaFile = ruleContext.getImplicitOutputArtifact(ReleaseBundlingSupport.IPA);
releaseBundlingSupport.registerGenerateRunnerScriptAction(runnerScript, ipaFile);
target.setRunfilesSupport(releaseBundlingSupport.runfilesSupport(runnerScript), runnerScript);
}
}
}
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