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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.Preconditions;
import com.google.common.collect.ImmutableMap;
import com.google.common.io.ByteSource;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.xcode.plmerge.proto.PlMergeProtos;
import com.google.devtools.build.xcode.plmerge.proto.PlMergeProtos.Control;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import javax.annotation.Nullable;
/**
* A byte source that can be used the generate a control file for the tool plmerge.
*/
public final class PlMergeControlBytes extends ByteSource {
private final NestedSet<Artifact> inputPlists;
private final NestedSet<Artifact> immutableInputPlists;
@Nullable private final String primaryBundleId;
@Nullable private final String fallbackBundleId;
@Nullable private final Map<String, String> variableSubstitutions;
@Nullable private final String executableName;
private final Artifact mergedPlist;
private final OutputFormat outputFormat;
/**
* Creates a control based on the passed bundling's plists and values.
*
* @param bundling bundle for which to create a merged plist
* @param mergedPlist the plist that should be created as an output
*/
static PlMergeControlBytes fromBundling(Bundling bundling, Artifact mergedPlist) {
NestedSetBuilder<Artifact> immutableInputPlists = NestedSetBuilder.stableOrder();
if (bundling.getAutomaticInfoPlist() != null) {
immutableInputPlists.add(bundling.getAutomaticInfoPlist());
}
return new PlMergeControlBytes(
NestedSetBuilder.<Artifact>stableOrder()
.addTransitive(bundling.getBundleInfoplistInputs())
.build(),
immutableInputPlists.build(),
bundling.getPrimaryBundleId(),
bundling.getFallbackBundleId(),
bundling.variableSubstitutions(),
bundling.getExecutableName(),
mergedPlist,
OutputFormat.BINARY);
}
/**
* Creates a control that merges the given plists into the merged plist.
*/
static PlMergeControlBytes fromPlists(
NestedSet<Artifact> inputPlists,
Artifact mergedPlist,
OutputFormat outputFormat) {
return new PlMergeControlBytes(
inputPlists,
NestedSetBuilder.<Artifact>emptySet(Order.STABLE_ORDER),
null,
null,
ImmutableMap.<String, String>of(),
null,
mergedPlist,
outputFormat);
}
private PlMergeControlBytes(
NestedSet<Artifact> inputPlists,
NestedSet<Artifact> immutableInputPlists,
@Nullable String primaryBundleId,
@Nullable String fallbackBundleId,
@Nullable Map<String, String> variableSubstitutions,
@Nullable String executableName,
Artifact mergedPlist,
OutputFormat outputFormat) {
this.inputPlists = inputPlists;
this.immutableInputPlists = immutableInputPlists;
this.primaryBundleId = primaryBundleId;
this.fallbackBundleId = fallbackBundleId;
this.variableSubstitutions = variableSubstitutions;
this.executableName = executableName;
this.mergedPlist = mergedPlist;
this.outputFormat = Preconditions.checkNotNull(outputFormat);
}
@Override
public InputStream openStream() throws IOException {
return control().toByteString().newInput();
}
private Control control() {
PlMergeProtos.Control.Builder control =
PlMergeProtos.Control.newBuilder()
.addAllSourceFile(Artifact.toExecPaths(inputPlists))
.addAllImmutableSourceFile(Artifact.toExecPaths(immutableInputPlists))
.putAllVariableSubstitutionMap(variableSubstitutions)
.setOutFile(mergedPlist.getExecPathString());
if (primaryBundleId != null) {
control.setPrimaryBundleId(primaryBundleId);
}
if (fallbackBundleId != null) {
control.setFallbackBundleId(fallbackBundleId);
}
if (executableName != null) {
control.setExecutableName(executableName);
}
control.setOutputFormat(outputFormat.getProtoOutputFormat());
return control.build();
}
/**
* Plist output formats.
*/
public enum OutputFormat {
BINARY(Control.OutputFormat.BINARY),
XML(Control.OutputFormat.XML);
private final Control.OutputFormat protoOutputFormat;
private OutputFormat(Control.OutputFormat protoOutputFormat) {
this.protoOutputFormat = protoOutputFormat;
}
Control.OutputFormat getProtoOutputFormat() {
return protoOutputFormat;
}
}
}
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