LCOV - code coverage report
Current view: directory - xpcom/string/src - nsTString.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 12 12 100.0 %
Date: 2012-06-02 Functions: 2 1 50.0 %

       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"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      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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