/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* ***** 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.
 *
 * The Initial Developer of the Original Code is IBM Corporation.
 * Portions created by IBM Corporation are Copyright (C) 2003
 * IBM Corporation. All Rights Reserved.
 *
 * Contributor(s):
 *   Darin Fisher <darin@meer.net>
 *   Johnny Stenback <jst@mozilla.jstenback.com>
 *
 * 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
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 * 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 ***** */

NS_COM nsTAdoptingString_CharT&
nsTAdoptingString_CharT::operator=( const self_type& str )
  {
    // This'll violate the constness of this argument, that's just
    // the nature of this class...
    self_type* mutable_str = const_cast<self_type*>(&str);

    if (str.mFlags & F_OWNED)
      {
        // We want to do what Adopt() does, but without actually incrementing
        // the Adopt count.  Note that we can be a little more straightforward
        // about this than Adopt() is, because we know that str.mData is
        // non-null.  Should we be able to assert that str is not void here?
        NS_ASSERTION(str.mData, "String with null mData?");
        Finalize();
        mData = str.mData;
        mLength = str.mLength;
        SetDataFlags(F_TERMINATED | F_OWNED);

        // Make str forget the buffer we just took ownership of.
        new (mutable_str) self_type();
      }
    else
      {
        Assign(str);

        mutable_str->Truncate();
      }

    return *this;
  }

