LCOV - code coverage report
Current view: directory - parser/html - nsHtml5OwningUTF16Buffer.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 45 0 0.0 %
Date: 2012-06-02 Functions: 7 0 0.0 %

       1                 : /* ***** BEGIN LICENSE BLOCK *****
       2                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       3                 :  *
       4                 :  * The contents of this file are subject to the Mozilla Public License Version
       5                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       6                 :  * the License. You may obtain a copy of the License at
       7                 :  * http://www.mozilla.org/MPL/
       8                 :  *
       9                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      10                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      11                 :  * for the specific language governing rights and limitations under the
      12                 :  * License.
      13                 :  *
      14                 :  * The Original Code is HTML Parser C++ Translator code.
      15                 :  *
      16                 :  * The Initial Developer of the Original Code is
      17                 :  * Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2008
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Henri Sivonen <hsivonen@iki.fi>
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "nsHtml5OwningUTF16Buffer.h"
      39                 : 
      40               0 : nsHtml5OwningUTF16Buffer::nsHtml5OwningUTF16Buffer(PRUnichar* aBuffer)
      41                 :   : nsHtml5UTF16Buffer(aBuffer, 0),
      42                 :     next(nsnull),
      43               0 :     key(nsnull)
      44                 : {
      45               0 :   MOZ_COUNT_CTOR(nsHtml5OwningUTF16Buffer);
      46               0 : }
      47                 : 
      48               0 : nsHtml5OwningUTF16Buffer::nsHtml5OwningUTF16Buffer(void* aKey)
      49                 :   : nsHtml5UTF16Buffer(nsnull, 0),
      50                 :     next(nsnull),
      51               0 :     key(aKey)
      52                 : {
      53               0 :   MOZ_COUNT_CTOR(nsHtml5OwningUTF16Buffer);
      54               0 : }
      55                 : 
      56               0 : nsHtml5OwningUTF16Buffer::~nsHtml5OwningUTF16Buffer()
      57                 : {
      58               0 :   MOZ_COUNT_DTOR(nsHtml5OwningUTF16Buffer);
      59               0 :   DeleteBuffer();
      60                 : 
      61                 :   // This is to avoid dtor recursion on 'next', bug 706932.
      62               0 :   nsRefPtr<nsHtml5OwningUTF16Buffer> tail;
      63               0 :   tail.swap(next);
      64               0 :   while (tail && tail->mRefCnt == 1) {
      65               0 :     nsRefPtr<nsHtml5OwningUTF16Buffer> tmp;
      66               0 :     tmp.swap(tail->next);
      67               0 :     tail.swap(tmp);
      68                 :   }
      69               0 : }
      70                 : 
      71                 : // static
      72                 : already_AddRefed<nsHtml5OwningUTF16Buffer>
      73               0 : nsHtml5OwningUTF16Buffer::FalliblyCreate(PRInt32 aLength)
      74                 : {
      75               0 :   const mozilla::fallible_t fallible = mozilla::fallible_t();
      76               0 :   PRUnichar* newBuf = new (fallible) PRUnichar[aLength];
      77               0 :   if (!newBuf) {
      78               0 :     return nsnull;
      79                 :   }
      80                 :   nsRefPtr<nsHtml5OwningUTF16Buffer> newObj =
      81               0 :     new (fallible) nsHtml5OwningUTF16Buffer(newBuf);
      82               0 :   if (!newObj) {
      83               0 :     delete[] newBuf;
      84               0 :     return nsnull;
      85                 :   }
      86               0 :   return newObj.forget();
      87                 : }
      88                 : 
      89                 : void
      90               0 : nsHtml5OwningUTF16Buffer::Swap(nsHtml5OwningUTF16Buffer* aOther)
      91                 : {
      92               0 :   nsHtml5UTF16Buffer::Swap(aOther);
      93               0 : }
      94                 : 
      95                 : 
      96                 : // Not using macros for AddRef and Release in order to be able to refcount on
      97                 : // and create on different threads.
      98                 : 
      99                 : nsrefcnt
     100               0 : nsHtml5OwningUTF16Buffer::AddRef()
     101                 : {
     102               0 :   NS_PRECONDITION(PRInt32(mRefCnt) >= 0, "Illegal refcount.");
     103               0 :   ++mRefCnt;
     104               0 :   NS_LOG_ADDREF(this, mRefCnt, "nsHtml5OwningUTF16Buffer", sizeof(*this));
     105               0 :   return mRefCnt;
     106                 : }
     107                 : 
     108                 : nsrefcnt
     109               0 : nsHtml5OwningUTF16Buffer::Release()
     110                 : {
     111               0 :   NS_PRECONDITION(0 != mRefCnt, "Release without AddRef.");
     112               0 :   --mRefCnt;
     113               0 :   NS_LOG_RELEASE(this, mRefCnt, "nsHtml5OwningUTF16Buffer");
     114               0 :   if (mRefCnt == 0) {
     115               0 :     mRefCnt = 1; /* stabilize */
     116               0 :     delete this;
     117               0 :     return 0;
     118                 :   }
     119               0 :   return mRefCnt;
     120                 : }

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