parser/html/nsHtml5UTF16BufferCppSupplement.h

   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 "nsTraceRefcnt.h"
  39
  40 nsHtml5UTF16Buffer::nsHtml5UTF16Buffer(PRInt32 size)
  41   : buffer(new PRUnichar[size]),
  42     start(0),
  43     end(0),
  44     next(nsnull),
  45     key(nsnull)
  46 {
  47   MOZ_COUNT_CTOR(nsHtml5UTF16Buffer);
  48 }
  49
  50 nsHtml5UTF16Buffer::nsHtml5UTF16Buffer(void* key)
  51   : buffer(nsnull),
  52     start(0),
  53     end(0),
  54     next(nsnull),
  55     key(key)
  56 {
  57   MOZ_COUNT_CTOR(nsHtml5UTF16Buffer);
  58 }
  59
  60 nsHtml5UTF16Buffer::~nsHtml5UTF16Buffer()
  61 {
  62   MOZ_COUNT_DTOR(nsHtml5UTF16Buffer);
  63   delete[] buffer;
  64 }
  65
  66 // Not using macros for AddRef and Release in order to be able to refcount on
  67 // and create on different threads.
  68
  69 nsrefcnt
  70 nsHtml5UTF16Buffer::AddRef()
  71 {
  72   NS_PRECONDITION(PRInt32(mRefCnt) >= 0, "Illegal refcount.");
  73   ++mRefCnt;
  74   NS_LOG_ADDREF(this, mRefCnt, "nsHtml5UTF16Buffer", sizeof(*this));
  75   return mRefCnt;
  76 }
  77
  78 nsrefcnt
  79 nsHtml5UTF16Buffer::Release()
  80 {
  81   NS_PRECONDITION(0 != mRefCnt, "Release without AddRef.");
  82   --mRefCnt;
  83   NS_LOG_RELEASE(this, mRefCnt, "nsHtml5UTF16Buffer");
  84   if (mRefCnt == 0) {
  85     mRefCnt = 1; /* stabilize */
  86     delete this;
  87     return 0;
  88   }
  89   return mRefCnt;
  90 }