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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.apple;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.skylarkinterface.SkylarkCallable;
import com.google.devtools.build.lib.skylarkinterface.SkylarkModule;
import com.google.devtools.build.lib.skylarkinterface.SkylarkModuleCategory;
import com.google.devtools.build.lib.util.Preconditions;
import java.util.Locale;
import java.util.Set;
import javax.annotation.Nullable;
/** An enum that can be used to distinguish between various apple platforms. */
@SkylarkModule(
name = "platform",
category = SkylarkModuleCategory.NONE,
doc = "Distinguishes between various apple platforms."
)
public enum Platform {
IOS_DEVICE("iPhoneOS", PlatformType.IOS),
IOS_SIMULATOR("iPhoneSimulator", PlatformType.IOS),
MACOS_X("MacOSX", PlatformType.MACOSX),
TVOS_DEVICE("AppleTVOS", PlatformType.TVOS),
TVOS_SIMULATOR("AppleTVSimulator", PlatformType.TVOS),
WATCHOS_DEVICE("WatchOS", PlatformType.WATCHOS),
WATCHOS_SIMULATOR("WatchSimulator", PlatformType.WATCHOS);
private static final Set<String> IOS_SIMULATOR_TARGET_CPUS =
ImmutableSet.of("ios_x86_64", "ios_i386");
private static final Set<String> WATCHOS_SIMULATOR_TARGET_CPUS =
ImmutableSet.of("watchos_i386");
private static final Set<String> WATCHOS_DEVICE_TARGET_CPUS =
ImmutableSet.of("watchos_armv7k");
private static final Set<String> IOS_DEVICE_TARGET_CPUS =
ImmutableSet.of("ios_armv6", "ios_arm64", "ios_armv7", "ios_armv7s");
private static final Set<String> MACOSX_TARGET_CPUS =
ImmutableSet.of("darwin_x86_64");
private final String nameInPlist;
private final PlatformType platformType;
Platform(String nameInPlist, PlatformType platformType) {
this.nameInPlist = Preconditions.checkNotNull(nameInPlist);
this.platformType = platformType;
}
/**
* Returns the platform type of this platform.
*/
public PlatformType getType() {
return platformType;
}
/**
* Returns the name of the "platform" as it appears in the CFBundleSupportedPlatforms plist
* setting.
*/
@SkylarkCallable(name = "name_in_plist", structField = true,
doc = "The name of the platform as it appears in the CFBundleSupportedPlatforms plist "
+ "setting. This name can also be converted to lowercase and passed to command-line "
+ "tools, such as ibtool and actool.")
public String getNameInPlist() {
return nameInPlist;
}
/**
* Returns the name of the "platform" as it appears in the plist when it appears in all-lowercase.
*/
public String getLowerCaseNameInPlist() {
return nameInPlist.toLowerCase(Locale.US);
}
@Nullable
private static Platform forTargetCpuNullable(String targetCpu) {
if (IOS_SIMULATOR_TARGET_CPUS.contains(targetCpu)) {
return IOS_SIMULATOR;
} else if (IOS_DEVICE_TARGET_CPUS.contains(targetCpu)) {
return IOS_DEVICE;
} else if (WATCHOS_SIMULATOR_TARGET_CPUS.contains(targetCpu)) {
return WATCHOS_SIMULATOR;
} else if (WATCHOS_DEVICE_TARGET_CPUS.contains(targetCpu)) {
return WATCHOS_DEVICE;
} else if (MACOSX_TARGET_CPUS.contains(targetCpu)) {
return MACOS_X;
} else {
return null;
}
}
/**
* Returns the platform for the given target cpu and platform type.
*
* @param platformType platform type that the given cpu value is implied for
* @param arch architecture representation, such as 'arm64'
* @throws IllegalArgumentException if there is no valid apple platform for the given target cpu
*/
public static Platform forTarget(PlatformType platformType, String arch) {
return forTargetCpu(String.format("%s_%s", platformType.toString(), arch));
}
/**
* Returns the platform for the given target cpu.
*
* @param targetCpu cpu value with platform type prefix, such as 'ios_arm64'
* @throws IllegalArgumentException if there is no valid apple platform for the given target cpu
*/
public static Platform forTargetCpu(String targetCpu) {
Platform platform = forTargetCpuNullable(targetCpu);
if (platform != null) {
return platform;
} else {
throw new IllegalArgumentException(
"No supported apple platform registered for target cpu " + targetCpu);
}
}
/**
* Returns true if the given target cpu is an apple platform.
*/
public static boolean isApplePlatform(String targetCpu) {
return forTargetCpuNullable(targetCpu) != null;
}
/**
* Value used to describe Apple platform "type". A {@link Platform} is implied from a platform
* type (for example, watchOS) together with a cpu value (for example, armv7).
*/
// TODO(cparsons): Use these values in static retrieval methods in this class.
public enum PlatformType {
IOS,
WATCHOS,
TVOS,
MACOSX;
@Override
public String toString() {
return name().toLowerCase();
}
/**
* Returns the {@link PlatformType} with given name (case insensitive).
*
* @throws IllegalArgumentException if the name does not match a valid platform type.
*/
public static PlatformType fromString(String name) {
for (PlatformType platformType : PlatformType.values()) {
if (name.equalsIgnoreCase(platformType.toString())) {
return platformType;
}
}
throw new IllegalArgumentException(String.format("Unsupported platform type \"%s\"", name));
}
}
}
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