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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 static com.google.devtools.build.lib.rules.objc.XcodeProductType.LIBRARY_STATIC;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.packages.Type;
import com.google.devtools.build.lib.rules.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.rules.objc.ObjcCommon.CompilationAttributes;
import com.google.devtools.build.lib.rules.objc.ObjcCommon.ResourceAttributes;
/**
* Implementation for {@code objc_library}.
*/
public class ObjcLibrary implements RuleConfiguredTargetFactory {
/**
* An {@link IterableWrapper} containing extra library {@link Artifact}s to be linked into the
* final ObjC application bundle.
*/
static final class ExtraImportLibraries extends IterableWrapper<Artifact> {
ExtraImportLibraries(Artifact... extraImportLibraries) {
super(extraImportLibraries);
}
}
/**
* An {@link IterableWrapper} containing defines as specified in the {@code defines} attribute to
* be applied to this target and all depending targets' compilation actions.
*/
static final class Defines extends IterableWrapper<String> {
Defines(Iterable<String> defines) {
super(defines);
}
Defines(String... defines) {
super(defines);
}
}
/**
* Constructs an {@link ObjcCommon} instance based on the attributes of the given rule. The rule
* should inherit from {@link ObjcLibraryRule}..
*/
static ObjcCommon common(RuleContext ruleContext, Iterable<SdkFramework> extraSdkFrameworks,
boolean alwayslink, ExtraImportLibraries extraImportLibraries, Defines defines,
Iterable<ObjcProvider> extraDepObjcProviders) {
CompilationArtifacts compilationArtifacts =
CompilationSupport.compilationArtifacts(ruleContext);
return new ObjcCommon.Builder(ruleContext)
.setCompilationAttributes(new CompilationAttributes(ruleContext))
.setResourceAttributes(new ResourceAttributes(ruleContext))
.addExtraSdkFrameworks(extraSdkFrameworks)
.addDefines(defines)
.setCompilationArtifacts(compilationArtifacts)
.addDepObjcProviders(ruleContext.getPrerequisites("deps", Mode.TARGET, ObjcProvider.class))
.addDepObjcProviders(
ruleContext.getPrerequisites("bundles", Mode.TARGET, ObjcProvider.class))
.addNonPropagatedDepObjcProviders(ruleContext.getPrerequisites("non_propagated_deps",
Mode.TARGET, ObjcProvider.class))
.setIntermediateArtifacts(ObjcRuleClasses.intermediateArtifacts(ruleContext))
.setAlwayslink(alwayslink)
.addExtraImportLibraries(extraImportLibraries)
.addDepObjcProviders(extraDepObjcProviders)
.build();
}
@Override
public ConfiguredTarget create(RuleContext ruleContext) throws InterruptedException {
ObjcCommon common = common(
ruleContext, ImmutableList.<SdkFramework>of(),
ruleContext.attributes().get("alwayslink", Type.BOOLEAN), new ExtraImportLibraries(),
new Defines(ruleContext.getTokenizedStringListAttr("defines")),
ImmutableList.<ObjcProvider>of());
OptionsProvider optionsProvider = optionsProvider(ruleContext);
XcodeProvider.Builder xcodeProviderBuilder = new XcodeProvider.Builder();
NestedSetBuilder<Artifact> filesToBuild = NestedSetBuilder.<Artifact>stableOrder()
.addAll(common.getCompiledArchive().asSet());
new CompilationSupport(ruleContext)
.registerCompileAndArchiveActions(common, optionsProvider)
.addXcodeSettings(xcodeProviderBuilder, common, optionsProvider)
.validateAttributes();
new ResourceSupport(ruleContext)
.registerActions(common.getStoryboards())
.validateAttributes()
.addXcodeSettings(xcodeProviderBuilder);
new XcodeSupport(ruleContext)
.addFilesToBuild(filesToBuild)
.addXcodeSettings(xcodeProviderBuilder, common.getObjcProvider(), LIBRARY_STATIC)
.addDependencies(xcodeProviderBuilder)
.registerActions(xcodeProviderBuilder.build());
return common.configuredTarget(
filesToBuild.build(),
Optional.of(xcodeProviderBuilder.build()),
Optional.of(common.getObjcProvider()),
Optional.<XcTestAppProvider>absent(),
Optional.of(ObjcRuleClasses.j2ObjcSrcsProvider(ruleContext)));
}
private OptionsProvider optionsProvider(RuleContext ruleContext) {
return new OptionsProvider.Builder()
.addCopts(ruleContext.getTokenizedStringListAttr("copts"))
.addTransitive(Optional.fromNullable(
ruleContext.getPrerequisite("options", Mode.TARGET, OptionsProvider.class)))
.build();
}
}
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