/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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.android.build.gradle.ndk.internal;
import com.android.annotations.NonNull;
import com.android.build.gradle.internal.NdkHandler;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.ListMultimap;
import org.gradle.api.Action;
import org.gradle.api.InvalidUserDataException;
import org.gradle.api.Task;
import org.gradle.api.tasks.Copy;
import org.gradle.model.ModelMap;
import org.gradle.nativeplatform.NativeBinarySpec;
import java.io.File;
import java.util.Collection;
import java.util.List;
/**
* Configuration to setup STL for NDK.
*/
public class StlConfiguration {
private static final String DEFAULT_STL = "system";
private static final List<String> VALID_STL = ImmutableList.of(
"system",
"stlport_static",
"stlport_shared",
"gnustl_static",
"gnustl_shared",
"gabi++_static",
"gabi++_shared",
"c++_static",
"c++_shared");
private static final ListMultimap<String, String> STL_SOURCES =
ImmutableListMultimap.<String, String>builder()
.putAll("system", ImmutableList.of(
"system/include"))
.putAll("stlport", ImmutableList.of(
"stlport/stlport",
"gabi++/include"))
.putAll("gnustl", ImmutableList.of(
"gnu-libstdc++",
"gnu-libstdc++/4.6/include",
"gnu-libstdc++/4.6/libs/armeabi-v7a/include",
"gnu-libstdc++/4.6/include/backward"))
.putAll("gabi++", ImmutableList.of(
"gabi++",
"gabi++/include"))
.putAll("c++", ImmutableList.of(
"../android/support/include",
"llvm-libc++",
"../android/compiler-rt",
"llvm-libc++/libcxx/include",
"gabi++/include",
"../android/support/include"))
.build();
public static File getStlBaseDirectory(NdkHandler ndkHandler) {
return new File(ndkHandler.getNdkDirectory(), "sources/cxx-stl/");
}
public static Collection<String> getStlSources(NdkHandler ndkHandler, String stl) {
final File stlBase = getStlBaseDirectory(ndkHandler);
String stlName = stl.equals("system") ? "system" : stl.substring(0, stl.indexOf('_'));
ImmutableList.Builder<String> builder = ImmutableList.builder();
for (String sourceDir : STL_SOURCES.get(stlName)) {
builder.add(stlBase.toString() + "/" + sourceDir);
}
return builder.build();
}
public static void checkStl(String stl) {
if (!VALID_STL.contains(stl)) {
throw new InvalidUserDataException("Invalid STL: " + stl);
}
}
public static void createStlCopyTask(
@NonNull ModelMap<Task> tasks,
@NonNull final NativeBinarySpec binary,
@NonNull final File buildDir,
@NonNull NdkHandler ndkHandler,
@NonNull String stl,
@NonNull String buildTaskName) {
if (stl.endsWith("_shared")) {
final StlNativeToolSpecification stlConfig = new StlNativeToolSpecification(ndkHandler,
stl, binary.getTargetPlatform());
final String copyTaskName = NdkNamingScheme.getTaskName(binary, "copy", "StlSo");
tasks.create(copyTaskName, Copy.class, new Action<Copy>() {
@Override
public void execute(Copy copy) {
copy.from(stlConfig.getStlLib(binary.getTargetPlatform().getName()));
copy.into(new File(buildDir, NdkNamingScheme.getOutputDirectoryName(binary)));
}
});
tasks.named(buildTaskName, new Action<Task>() {
@Override
public void execute(Task task) {
task.dependsOn(copyTaskName);
}
});
}
}
}