1 files changed, 82 insertions, 0 deletions
diff --git a/tools/product_config/src/com/android/build/config/Str.java b/tools/product_config/src/com/android/build/config/Str.java
new file mode 100644
index 0000000000..2516b76cf8
--- /dev/null
+++ b/tools/product_config/src/com/android/build/config/Str.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2020 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.config;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A String and a Position, where it came from in source code.
+ */
+public class Str implements Comparable<Str> {
+    private String mValue;
+    private Position mPosition;
+
+    public Str(String s) {
+        mValue = s;
+        mPosition = new Position();
+    }
+
+    public Str(Position pos, String s) {
+        mValue = s;
+        mPosition = pos;
+    }
+
+    public int length() {
+        return mValue.length();
+    }
+
+    @Override
+    public String toString() {
+        return mValue;
+    }
+
+    public Position getPosition() {
+        return mPosition;
+    }
+
+    /**
+     * Str is equal if the string value is equal, regardless of whether the position
+     * is the same.
+     */
+    @Override
+    public boolean equals(Object o) {
+        if (!(o instanceof Str)) {
+            return false;
+        }
+        final Str that = (Str)o;
+        return mValue.equals(that.mValue);
+    }
+
+    @Override
+    public int hashCode() {
+        return mValue.hashCode();
+    }
+
+    @Override
+    public int compareTo(Str that) {
+        return this.mValue.compareTo(that.mValue);
+    }
+
+    public static ArrayList<Str> toList(Position pos, List<String> list) {
+        final ArrayList<Str> result = new ArrayList(list.size());
+        for (String s: list) {
+            result.add(new Str(pos, s));
+        }
+        return result;
+    }
+}