1 files changed, 158 insertions, 0 deletions
diff --git a/third_party/java/buck-ios-support/java/com/facebook/buck/apple/xcode/xcodeproj/PBXReference.java b/third_party/java/buck-ios-support/java/com/facebook/buck/apple/xcode/xcodeproj/PBXReference.java
new file mode 100644
index 0000000000..a7bed6d35b
--- /dev/null
+++ b/third_party/java/buck-ios-support/java/com/facebook/buck/apple/xcode/xcodeproj/PBXReference.java
@@ -0,0 +1,158 @@
+/*
+ * Copyright 2013-present Facebook, Inc.
+ *
+ * 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.facebook.buck.apple.xcode.xcodeproj;
+
+import com.facebook.buck.apple.xcode.XcodeprojSerializer;
+import com.google.common.base.CharMatcher;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+
+import javax.annotation.Nullable;
+
+/**
+ * Superclass for file, directories, and groups. Xcode's virtual file hierarchy are made of these
+ * objects.
+ */
+public class PBXReference extends PBXContainerItem {
+  public enum SourceTree {
+    /**
+     * Relative to the path of the group containing this.
+     */
+    GROUP("<group>"),
+
+    /**
+     * Absolute system path.
+     */
+    ABSOLUTE("<absolute>"),
+    /**
+     * Relative to the build setting {@code BUILT_PRODUCTS_DIR}.
+     */
+    BUILT_PRODUCTS_DIR("BUILT_PRODUCTS_DIR"),
+
+    /**
+     * Relative to the build setting {@code SDKROOT}.
+     */
+    SDKROOT("SDKROOT"),
+
+    /**
+     * Relative to the directory containing the project file {@code SOURCE_ROOT}.
+     */
+    SOURCE_ROOT("SOURCE_ROOT"),
+
+    /**
+     * Relative to the Developer content directory inside the Xcode application
+     * (e.g. {@code /Applications/Xcode.app/Contents/Developer}).
+     */
+    DEVELOPER_DIR("DEVELOPER_DIR"),
+    ;
+
+    private final String rep;
+
+    SourceTree(String str) {
+      rep = str;
+    }
+
+    @Override
+    public String toString() {
+      return rep;
+    }
+
+    /**
+     * Return a sourceTree given a build setting that is typically used as a source tree prefix.
+     *
+     * The build setting may be optionally prefixed by '$' which will be stripped.
+     */
+    public static Optional<SourceTree> fromBuildSetting(String buildSetting) {
+      switch (CharMatcher.is('$').trimLeadingFrom(buildSetting)) {
+        case "BUILT_PRODUCTS_DIR":
+          return Optional.of(BUILT_PRODUCTS_DIR);
+        case "SDKROOT":
+          return Optional.of(SDKROOT);
+        case "SOURCE_ROOT":
+          return Optional.of(SOURCE_ROOT);
+        case "DEVELOPER_DIR":
+          return Optional.of(DEVELOPER_DIR);
+        default:
+          return Optional.absent();
+      }
+    }
+  }
+
+  private final String name;
+  @Nullable private String path;
+
+  /**
+   * The "base" path of the reference. The absolute path is resolved by prepending the resolved
+   * base path.
+   */
+  private SourceTree sourceTree;
+
+  public PBXReference(String name, @Nullable String path, SourceTree sourceTree) {
+    this.name = Preconditions.checkNotNull(name);
+    this.path = path;
+    this.sourceTree = Preconditions.checkNotNull(sourceTree);
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  @Nullable
+  public String getPath() {
+    return path;
+  }
+  public void setPath(String v) {
+    path = v;
+  }
+  public SourceTree getSourceTree() {
+    return sourceTree;
+  }
+  public void setSourceTree(SourceTree v) {
+    sourceTree = v;
+  }
+
+  @Override
+  public String isa() {
+    return "PBXReference";
+  }
+
+  @Override
+  public int stableHash() {
+    return name.hashCode();
+  }
+
+  @Override
+  public void serializeInto(XcodeprojSerializer s) {
+    super.serializeInto(s);
+
+    s.addField("name", name);
+    if (path != null) {
+      s.addField("path", path);
+    }
+    s.addField("sourceTree", sourceTree.toString());
+  }
+
+  @Override
+  public String toString() {
+    return String.format(
+        "%s name=%s path=%s sourceTree=%s",
+        super.toString(),
+        getName(),
+        getPath(),
+        getSourceTree());
+  }
+}