/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

interface nsIOutputStream;
interface nsIDOMNode;

/**
 * The nsIDOMSerializer interface is really a placeholder till the W3C
 * DOM Working Group defines a mechanism for serializing DOM nodes.
 * An instance of this interface can be used to serialize a DOM document
 * or any DOM subtree.
 */

[scriptable, uuid(9fd4ba15-e67c-4c98-b52c-7715f62c9196)]
interface nsIDOMSerializer : nsISupports
{
  /**
   * The subtree rooted by the specified element is serialized to
   * a string.
   * 
   * @param root The root of the subtree to be serialized. This could
   *             be any node, including a Document.
   * @returns The serialized subtree in the form of a Unicode string
   */
  AString serializeToString(in nsIDOMNode root);

  /**
   * The subtree rooted by the specified element is serialized to
   * a byte stream using the character set specified.
   * @param root The root of the subtree to be serialized. This could
   *             be any node, including a Document.
   * @param stream The byte stream to which the subtree is serialized.
   * @param charset The name of the character set to use for the encoding
   *                to a byte stream.  If this string is empty and root is
   *                a document, the document's character set will be used.
   */
  void serializeToStream(in nsIDOMNode root, in nsIOutputStream stream,
                         in AUTF8String charset);
};

%{ C++
#define NS_XMLSERIALIZER_CID                        \
 { /* a6cf9124-15b3-11d2-932e-00805f8add32 */       \
   0xa6cf9124, 0x15b3, 0x11d2,                      \
  {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
#define NS_XMLSERIALIZER_CONTRACTID \
"@mozilla.org/xmlextras/xmlserializer;1"
%}