copy JsonReader.java and JsonWriter.java from AOSP

src/api-impl/android/util/JsonScope.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2010 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 android.util;
+
+/**
+ * Lexical scoping elements within a JSON reader or writer.
+ */
+enum JsonScope {
+
+	/**
+	 * An array with no elements requires no separators or newlines before
+	 * it is closed.
+	 */
+	EMPTY_ARRAY,
+
+	/**
+	 * A array with at least one value requires a comma and newline before
+	 * the next element.
+	 */
+	NONEMPTY_ARRAY,
+
+	/**
+	 * An object with no name/value pairs requires no separators or newlines
+	 * before it is closed.
+	 */
+	EMPTY_OBJECT,
+
+	/**
+	 * An object whose most recent element is a key. The next element must
+	 * be a value.
+	 */
+	DANGLING_NAME,
+
+	/**
+	 * An object with at least one name/value pair requires a comma and
+	 * newline before the next element.
+	 */
+	NONEMPTY_OBJECT,
+
+	/**
+	 * No object or array has been started.
+	 */
+	EMPTY_DOCUMENT,
+
+	/**
+	 * A document with at an array or object.
+	 */
+	NONEMPTY_DOCUMENT,
+
+	/**
+	 * A document that's been closed and cannot be accessed.
+	 */
+	CLOSED,
+}