1 files changed, 121 insertions, 0 deletions
diff --git a/src/tools/xcode-common/java/com/google/devtools/build/xcode/common/XcodeprojPath.java b/src/tools/xcode-common/java/com/google/devtools/build/xcode/common/XcodeprojPath.java
new file mode 100644
index 0000000000..eedf326d13
--- /dev/null
+++ b/src/tools/xcode-common/java/com/google/devtools/build/xcode/common/XcodeprojPath.java
@@ -0,0 +1,121 @@
+// 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 static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.collect.ImmutableList;
+import com.google.devtools.build.xcode.util.Equaling;
+import com.google.devtools.build.xcode.util.Value;
+
+import java.nio.file.Path;
+import java.util.List;
+
+/**
+ * Represents the path to an xcodeproj directory. Contains utilities for getting related
+ * information, including the project.pbxproj file and the project <em>name</em>, which is the
+ * .xcodeproj directory name without the ".xcodeproj" extension.
+ *
+ * @param <T> The type of the backing path, such as {@link java.nio.file.Path}.
+ */
+public class XcodeprojPath<T extends Comparable<T>>
+    extends Value<XcodeprojPath<T>>
+    implements Comparable<XcodeprojPath<T>> {
+  public static final String PBXPROJ_FILE_NAME = "project.pbxproj";
+  public static final String XCODEPROJ_DIRECTORY_SUFFIX = ".xcodeproj";
+
+  /**
+   * An object that knows how to create {@code XcodeprojPath}s from paths of some other type.
+   */
+  public static class Converter<T extends Comparable<T>> {
+    private final PathTransformer<T> transformer;
+
+    public Converter(PathTransformer<T> transformer) {
+      this.transformer = checkNotNull(transformer);
+    }
+
+    /**
+     * Converts a path to an XcodeprojPath. The given path may point to the {@code project.pbxproj}
+     * file or the {@code *.xcodeproj} directory.
+     */
+    public XcodeprojPath<T> fromPath(T path) {
+      if (Equaling.of(PBXPROJ_FILE_NAME, transformer.name(path))) {
+        path = transformer.parent(path);
+      }
+      return new XcodeprojPath<T>(path, transformer);
+    }
+
+    /**
+     * Converts normal paths to {@code ProjectFilePath}s using {@link #fromPath(Comparable)}.
+     */
+    public List<XcodeprojPath<T>> fromPaths(Iterable<? extends T> pbxprojFiles) {
+      ImmutableList.Builder<XcodeprojPath<T>> result = new ImmutableList.Builder<>();
+      for (T pbxprojFile : pbxprojFiles) {
+        result.add(fromPath(pbxprojFile));
+      }
+      return result.build();
+    }
+  }
+
+  private final T xcodeprojDirectory;
+  private final PathTransformer<T> transformer;
+
+  public XcodeprojPath(T xcodeprojDirectory, PathTransformer<T> transformer) {
+    super(xcodeprojDirectory);
+    checkArgument(transformer.name(xcodeprojDirectory).endsWith(XCODEPROJ_DIRECTORY_SUFFIX),
+        "xcodeprojDirectory should end with %s, but it is '%s'", XCODEPROJ_DIRECTORY_SUFFIX,
+        xcodeprojDirectory);
+    this.xcodeprojDirectory = xcodeprojDirectory;
+    this.transformer = transformer;
+  }
+
+  /** Returns a converter which works for the Java {@code Path} class. */
+  public static Converter<Path> converter() {
+    return new Converter<>(PathTransformer.FOR_JAVA_PATH);
+  }
+
+  public final T getXcodeprojDirectory() {
+    return xcodeprojDirectory;
+  }
+
+  public final T getPbxprojFile() {
+    return transformer.join(xcodeprojDirectory, PBXPROJ_FILE_NAME);
+  }
+
+  /**
+   * Returns the package or directory in which the project is located. For instance, if the project
+   * file is {@code /foo/bar/App.xcodeproj/project.pbxproj}, then this method returns
+   * {@code /foo/bar}.
+   */
+  public final T getXcodeprojContainerDir() {
+    return transformer.parent(xcodeprojDirectory);
+  }
+
+  /**
+   * Returns the name of the xcodeproj directory without the {@code .xcodeproj} extension or the
+   * containing directory. For instance, for an xcodeproj directory of
+   * {@code /client/foo.xcodeproj}, this method returns {@code "foo"}.
+   */
+  public final String getProjectName() {
+    String pathStr = transformer.name(xcodeprojDirectory);
+    return pathStr.substring(0, pathStr.length() - XCODEPROJ_DIRECTORY_SUFFIX.length());
+  }
+
+  @Override
+  public final int compareTo(XcodeprojPath<T> o) {
+    return getXcodeprojDirectory().compareTo(o.getXcodeprojDirectory());
+  }
+}