1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* vim:set ts=2 sw=2 sts=2 et cindent: */
3 : /* ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is Mozilla.
17 : *
18 : * The Initial Developer of the Original Code is IBM Corporation.
19 : * Portions created by IBM Corporation are Copyright (C) 2003
20 : * IBM Corporation. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Darin Fisher <darin@meer.net>
24 : * Johnny Stenback <jst@mozilla.jstenback.com>
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either the GNU General Public License Version 2 or later (the "GPL"), or
28 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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35 : * the provisions above, a recipient may use your version of this file under
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37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : nsTAdoptingString_CharT&
41 1444 : nsTAdoptingString_CharT::operator=( const self_type& str )
42 : {
43 : // This'll violate the constness of this argument, that's just
44 : // the nature of this class...
45 1444 : self_type* mutable_str = const_cast<self_type*>(&str);
46 :
47 1444 : if (str.mFlags & F_OWNED)
48 : {
49 : // We want to do what Adopt() does, but without actually incrementing
50 : // the Adopt count. Note that we can be a little more straightforward
51 : // about this than Adopt() is, because we know that str.mData is
52 : // non-null. Should we be able to assert that str is not void here?
53 1443 : NS_ASSERTION(str.mData, "String with null mData?");
54 1443 : Finalize();
55 1443 : mData = str.mData;
56 1443 : mLength = str.mLength;
57 1443 : SetDataFlags(F_TERMINATED | F_OWNED);
58 :
59 : // Make str forget the buffer we just took ownership of.
60 1443 : new (mutable_str) self_type();
61 : }
62 : else
63 : {
64 1 : Assign(str);
65 :
66 1 : mutable_str->Truncate();
67 : }
68 :
69 1444 : return *this;
70 : }
71 :
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