1 files changed, 132 insertions, 0 deletions
diff --git a/src/tools/xcode-common/java/com/google/devtools/build/xcode/common/TargetDeviceFamily.java b/src/tools/xcode-common/java/com/google/devtools/build/xcode/common/TargetDeviceFamily.java
new file mode 100644
index 0000000000..3d369a15d1
--- /dev/null
+++ b/src/tools/xcode-common/java/com/google/devtools/build/xcode/common/TargetDeviceFamily.java
@@ -0,0 +1,132 @@
+// 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.xcode.common;
+
+import com.google.common.base.Splitter;
+import com.google.common.collect.ImmutableBiMap;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Possible values in the {@code TARGETED_DEVICE_FAMILY} build setting.
+ */
+public enum TargetDeviceFamily {
+  IPAD, IPHONE;
+
+  /**
+   * Contains the values of the UIDeviceFamily plist info setting for each valid set of
+   * TargetDeviceFamilies.
+   */
+  public static final Map<Set<TargetDeviceFamily>, List<Integer>> UI_DEVICE_FAMILY_VALUES =
+      ImmutableMap.<Set<TargetDeviceFamily>, List<Integer>>builder()
+          .put(ImmutableSet.of(TargetDeviceFamily.IPHONE), ImmutableList.of(1))
+          .put(ImmutableSet.of(TargetDeviceFamily.IPAD), ImmutableList.of(2))
+          .put(ImmutableSet.of(TargetDeviceFamily.IPHONE, TargetDeviceFamily.IPAD),
+              ImmutableList.of(1, 2))
+          .build();
+
+  /**
+   * Returns the name of the family as it appears in build rules.
+   */
+  public String getNameInRule() {
+    return BY_NAME_IN_RULE.get(this);
+  }
+
+  /**
+   * Returns the name of family which should be used in the bundlemerge control proto.
+   */
+  public String getBundleMergeName() {
+    return BY_BUNDLE_MERGE_NAME.get(this);
+  }
+
+  private static final ImmutableBiMap<TargetDeviceFamily, String> BY_NAME_IN_RULE =
+      ImmutableBiMap.<TargetDeviceFamily, String>of(IPAD, "ipad", IPHONE, "iphone");
+
+  private static final ImmutableBiMap<TargetDeviceFamily, String> BY_BUNDLE_MERGE_NAME =
+      ImmutableBiMap.<TargetDeviceFamily, String>of(IPAD, "IPAD", IPHONE, "IPHONE");
+
+  private static Set<TargetDeviceFamily> fromNames(
+      Iterable<String> names, Map<String, TargetDeviceFamily> mapping) {
+    Set<TargetDeviceFamily> families = EnumSet.noneOf(TargetDeviceFamily.class);
+    for (String name : names) {
+      TargetDeviceFamily family = mapping.get(name);
+      if (family == null) {
+        throw new InvalidFamilyNameException(name);
+      }
+      if (!families.add(family)) {
+        throw new RepeatedFamilyNameException(name);
+      }
+    }
+    return families;
+  }
+
+  /**
+   * Converts a sequence containing the strings returned by {@link #getBundleMergeName()} to a set
+   * of instances of this enum.
+   *
+   * <p>If there are multiple items in the returned set, they are in enumeration order.
+   *
+   * @param names the names of the families
+   * @throws InvalidFamilyNameException if some family name in the sequence was not recognized
+   * @throws RepeatedFamilyNameException if some family name appeared in the sequence twice
+   */
+  public static Set<TargetDeviceFamily> fromBundleMergeNames(Iterable<String> names) {
+    return fromNames(names, BY_BUNDLE_MERGE_NAME.inverse());
+  }
+
+  /**
+   * Converts a sequence containing the strings returned by {@link #getNameInRule()} to a set of
+   * instances of this enum.
+   *
+   * <p>If there are multiple items in the returned set, they are in enumeration order.
+   *
+   * @param names the names of the families
+   * @throws InvalidFamilyNameException if some family name in the sequence was not recognized
+   * @throws RepeatedFamilyNameException if some family name appeared in the sequence twice
+   */
+  public static Set<TargetDeviceFamily> fromNamesInRule(Iterable<String> names) {
+    return fromNames(names, BY_NAME_IN_RULE.inverse());
+  }
+
+  /**
+   * Converts the {@code TARGETED_DEVICE_FAMILY} setting in build settings to a set of
+   * {@code TargetedDevice}s.
+   */
+  public static Set<TargetDeviceFamily> fromBuildSetting(String targetedDevice) {
+    ImmutableSet.Builder<TargetDeviceFamily> result = ImmutableSet.builder();
+    for (String numericSetting : Splitter.on(",").split(targetedDevice)) {
+      numericSetting = numericSetting.trim();
+      switch (numericSetting) {
+        case "1":
+          result.add(IPHONE);
+          break;
+        case "2":
+          result.add(IPAD);
+          break;
+        default:
+          throw new IllegalArgumentException(
+              "Expect comma-separated list containing only '1' and/or '2' for "
+              + "TARGETED_DEVICE_FAMILY: " + targetedDevice);
+      }
+    }
+    return result.build();
+  }
+}