gecko/parser/html/nsHtml5TreeOpStage.cpp

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/* ***** 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::MoveOpsFrom(nsTArray<nsHtml5TreeOperation>& aOpQueue)
{
mozilla::MutexAutoLock autoLock(mMutex);
if (mOpQueue.IsEmpty()) {
mOpQueue.SwapElements(aOpQueue);
} else {
mOpQueue.MoveElementsFrom(aOpQueue);
}
}
void
nsHtml5TreeOpStage::MoveOpsAndSpeculativeLoadsTo(nsTArray<nsHtml5TreeOperation>& aOpQueue,
nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue)
{
mozilla::MutexAutoLock autoLock(mMutex);
if (aOpQueue.IsEmpty()) {
mOpQueue.SwapElements(aOpQueue);
} else {
aOpQueue.MoveElementsFrom(mOpQueue);
}
if (aSpeculativeLoadQueue.IsEmpty()) {
mSpeculativeLoadQueue.SwapElements(aSpeculativeLoadQueue);
} else {
aSpeculativeLoadQueue.MoveElementsFrom(mSpeculativeLoadQueue);
}
}
void
nsHtml5TreeOpStage::MoveSpeculativeLoadsFrom(nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue)
{
mozilla::MutexAutoLock autoLock(mMutex);
if (mSpeculativeLoadQueue.IsEmpty()) {
mSpeculativeLoadQueue.SwapElements(aSpeculativeLoadQueue);
} else {
mSpeculativeLoadQueue.MoveElementsFrom(aSpeculativeLoadQueue);
}
}
void
nsHtml5TreeOpStage::MoveSpeculativeLoadsTo(nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue)
{
mozilla::MutexAutoLock autoLock(mMutex);
if (aSpeculativeLoadQueue.IsEmpty()) {
mSpeculativeLoadQueue.SwapElements(aSpeculativeLoadQueue);
} else {
aSpeculativeLoadQueue.MoveElementsFrom(mSpeculativeLoadQueue);
}
}
#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