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// Copyright 2014 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.Preconditions;
import com.google.common.collect.ImmutableSet;
import com.google.common.io.ByteSource;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.xcode.bundlemerge.proto.BundleMergeProtos;
import com.google.devtools.build.xcode.bundlemerge.proto.BundleMergeProtos.Control;
import com.google.devtools.build.xcode.bundlemerge.proto.BundleMergeProtos.MergeZip;
import com.google.devtools.build.xcode.bundlemerge.proto.BundleMergeProtos.VariableSubstitution;
import java.io.InputStream;
import java.util.Map;
/**
* A byte source that can be used to generate a control file for the tool:
* {@code //java/com/google/devtools/build/xcode/bundlemerge}. Note that this generates the control
* proto and bytes on-the-fly rather than eagerly. This is to prevent a copy of the bundle files and
* .xcdatamodels from being stored for each {@code objc_binary} (or any bundle) being built.
*/
// TODO(bazel-team): Move the logic in this class to Bundling (as a .toControl method).
final class BundleMergeControlBytes extends ByteSource {
private final Bundling rootBundling;
private final Artifact mergedIpa;
private final ObjcConfiguration objcConfiguration;
private final ImmutableSet<TargetDeviceFamily> families;
public BundleMergeControlBytes(
Bundling rootBundling, Artifact mergedIpa, ObjcConfiguration objcConfiguration,
ImmutableSet<TargetDeviceFamily> families) {
this.rootBundling = Preconditions.checkNotNull(rootBundling);
this.mergedIpa = Preconditions.checkNotNull(mergedIpa);
this.objcConfiguration = Preconditions.checkNotNull(objcConfiguration);
this.families = Preconditions.checkNotNull(families);
}
@Override
public InputStream openStream() {
return control("", rootBundling)
.toByteString()
.newInput();
}
private Control control(String mergeZipPrefix, Bundling bundling) {
mergeZipPrefix += bundling.getBundleDir() + "/";
BundleMergeProtos.Control.Builder control = BundleMergeProtos.Control.newBuilder()
.addAllBundleFile(BundleableFile.toBundleFiles(bundling.getBundleFiles()))
// TODO(bazel-team): This should really be bundling.getBundleInfoplistInputs since (most of)
// those are editable, whereas this is usually the programatically merged plist. If we pass
// the sources here though, any synthetic data (generated plists with blaze-derived values)
// should be passed as well.
.addAllSourcePlistFile(Artifact.toExecPaths(bundling.getBundleInfoplist().asSet()))
// TODO(bazel-team): Add rule attribute for specifying targeted device family
.setMinimumOsVersion(bundling.getMinimumOsVersion())
.setSdkVersion(objcConfiguration.getIosSdkVersion())
.setPlatform(objcConfiguration.getBundlingPlatform().name())
.setBundleRoot(bundling.getBundleDir());
for (Artifact mergeZip : bundling.getMergeZips()) {
control.addMergeZip(MergeZip.newBuilder()
.setEntryNamePrefix(mergeZipPrefix)
.setSourcePath(mergeZip.getExecPathString())
.build());
}
for (TargetDeviceFamily targetDeviceFamily : families) {
control.addTargetDeviceFamily(targetDeviceFamily.name());
}
Map<String, String> variableSubstitutions = bundling.variableSubstitutions();
for (String variable : variableSubstitutions.keySet()) {
control.addVariableSubstitution(VariableSubstitution.newBuilder()
.setName(variable)
.setValue(variableSubstitutions.get(variable))
.build());
}
control.setOutFile(mergedIpa.getExecPathString());
for (Artifact linkedBinary : bundling.getCombinedArchitectureBinary().asSet()) {
control
.addBundleFile(BundleMergeProtos.BundleFile.newBuilder()
.setSourceFile(linkedBinary.getExecPathString())
.setBundlePath(bundling.getName())
.setExternalFileAttribute(BundleableFile.EXECUTABLE_EXTERNAL_FILE_ATTRIBUTE)
.build())
.setExecutableName(bundling.getName());
}
for (Bundling nestedBundling : bundling.getNestedBundlings()) {
if (nestedBundling.getArchitecture().equals(bundling.getArchitecture())) {
control.addNestedBundle(control(mergeZipPrefix, nestedBundling));
}
}
if (bundling.getPrimaryBundleId() != null) {
control.setPrimaryBundleIdentifier(bundling.getPrimaryBundleId());
}
if (bundling.getFallbackBundleId() != null) {
control.setFallbackBundleIdentifier(bundling.getFallbackBundleId());
}
return control.build();
}
}
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