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diff --git a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/xml/XMLObject.java b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/xml/XMLObject.java
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+/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Rhino code, released
+ * May 6, 1999.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1997-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Igor Bukanov
+ *   Ethan Hugg
+ *   Terry Lucas
+ *   Milen Nankov
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License Version 2 or later (the "GPL"), in which
+ * case the provisions of the GPL are applicable instead of those above. If
+ * you wish to allow use of your version of this file only under the terms of
+ * the GPL and not to allow others to use your version of this file under the
+ * MPL, indicate your decision by deleting the provisions above and replacing
+ * them with the notice and other provisions required by the GPL. If you do
+ * not delete the provisions above, a recipient may use your version of this
+ * file under either the MPL or the GPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+package org.mozilla.javascript.xml;
+
+import org.mozilla.javascript.*;
+
+/**
+ *  This Interface describes what all XML objects (XML, XMLList) should have in common.
+ *
+ */
+public abstract class XMLObject extends IdScriptableObject
+{
+    public XMLObject()
+    {
+    }
+
+    public XMLObject(Scriptable scope, Scriptable prototype)
+    {
+        super(scope, prototype);
+    }
+
+    /**
+     * Implementation of ECMAScript [[Has]].
+     */
+    public abstract boolean ecmaHas(Context cx, Object id);
+
+    /**
+     * Implementation of ECMAScript [[Get]].
+     */
+    public abstract Object ecmaGet(Context cx, Object id);
+
+    /**
+     * Implementation of ECMAScript [[Put]].
+     */
+    public abstract void ecmaPut(Context cx, Object id, Object value);
+
+    /**
+     * Implementation of ECMAScript [[Delete]].
+     */
+    public abstract boolean ecmaDelete(Context cx, Object id);
+
+    /**
+     * Return an additional object to look for methods that runtime should
+     * consider during method search. Return null if no such object available.
+     */
+    public abstract Scriptable getExtraMethodSource(Context cx);
+
+    /**
+     * Generic reference to implement x.@y, x..y etc.
+     */
+    public abstract Ref memberRef(Context cx, Object elem,
+                                  int memberTypeFlags);
+
+    /**
+     * Generic reference to implement x::ns, x.@ns::y, x..@ns::y etc.
+     */
+    public abstract Ref memberRef(Context cx, Object namespace, Object elem,
+                                  int memberTypeFlags);
+
+    /**
+     * Wrap this object into NativeWith to implement the with statement.
+     */
+    public abstract NativeWith enterWith(Scriptable scope);
+
+    /**
+     * Wrap this object into NativeWith to implement the .() query.
+     */
+    public abstract NativeWith enterDotQuery(Scriptable scope);
+
+    /**
+     * Custom <tt>+</tt> operator.
+     * Should return {@link Scriptable#NOT_FOUND} if this object does not have
+     * custom addition operator for the given value,
+     * or the result of the addition operation.
+     * <p>
+     * The default implementation returns {@link Scriptable#NOT_FOUND}
+     * to indicate no custom addition operation.
+     *
+     * @param cx the Context object associated with the current thread.
+     * @param thisIsLeft if true, the object should calculate this + value
+     *                   if false, the object should calculate value + this.
+     * @param value the second argument for addition operation.
+     */
+    public Object addValues(Context cx, boolean thisIsLeft, Object value)
+    {
+        return Scriptable.NOT_FOUND;
+    }
+
+}