gecko/parser/html/nsHtml5TreeOpStage.cpp
Henri Sivonen c9652a402a Bug 482919 - Add speculative parsing to the HTML5 parser. r=bnewman.
--HG--
extra : rebase_source : d8b0840910d47aadee767fcbecf6832d244b1c4b
2009-10-12 16:08:04 +03:00

89 lines
2.8 KiB
C++

/* ***** 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 HTML Parser C++ Translator code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Henri Sivonen <hsivonen@iki.fi>
*
* 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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* 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 ***** */
#include "nsHtml5TreeOpStage.h"
nsHtml5TreeOpStage::nsHtml5TreeOpStage()
: mMutex("nsHtml5TreeOpStage mutex")
{
}
nsHtml5TreeOpStage::~nsHtml5TreeOpStage()
{
}
void
nsHtml5TreeOpStage::MaybeFlush(nsTArray<nsHtml5TreeOperation>& aOpQueue)
{
mozilla::MutexAutoLock autoLock(mMutex);
if (mOpQueue.IsEmpty()) {
mOpQueue.SwapElements(aOpQueue);
}
}
void
nsHtml5TreeOpStage::ForcedFlush(nsTArray<nsHtml5TreeOperation>& aOpQueue)
{
mozilla::MutexAutoLock autoLock(mMutex);
if (mOpQueue.IsEmpty()) {
mOpQueue.SwapElements(aOpQueue);
return;
}
mOpQueue.MoveElementsFrom(aOpQueue);
}
void
nsHtml5TreeOpStage::RetrieveOperations(nsTArray<nsHtml5TreeOperation>& aOpQueue)
{
mozilla::MutexAutoLock autoLock(mMutex);
if (aOpQueue.IsEmpty()) {
mOpQueue.SwapElements(aOpQueue);
return;
}
aOpQueue.MoveElementsFrom(mOpQueue);
}
#ifdef DEBUG
void
nsHtml5TreeOpStage::AssertEmpty()
{
mozilla::MutexAutoLock autoLock(mMutex);
// This shouldn't really need the mutex
NS_ASSERTION(mOpQueue.IsEmpty(), "The stage was supposed to be empty.");
}
#endif