gecko/parser/html/nsHtml5Speculation.h

108 lines
3.4 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 ***** */
#ifndef nsHtml5Speculation_h__
#define nsHtml5Speculation_h__
#include "nsHtml5UTF16Buffer.h"
#include "nsAHtml5TreeBuilderState.h"
#include "nsHtml5TreeOperation.h"
#include "nsAHtml5TreeOpSink.h"
#include "nsTArray.h"
#include "nsAutoPtr.h"
class nsHtml5Speculation : public nsAHtml5TreeOpSink
{
public:
nsHtml5Speculation(nsHtml5UTF16Buffer* aBuffer,
PRInt32 aStart,
PRInt32 aStartLineNumber,
nsAHtml5TreeBuilderState* aSnapshot);
~nsHtml5Speculation();
nsHtml5UTF16Buffer* GetBuffer() {
return mBuffer;
}
PRInt32 GetStart() {
return mStart;
}
PRInt32 GetStartLineNumber() {
return mStartLineNumber;
}
nsAHtml5TreeBuilderState* GetSnapshot() {
return mSnapshot;
}
/**
* No-op.
*/
virtual void MaybeFlush(nsTArray<nsHtml5TreeOperation>& aOpQueue);
/**
* Flush the operations from the tree operations from the argument
* queue unconditionally.
*/
virtual void ForcedFlush(nsTArray<nsHtml5TreeOperation>& aOpQueue);
void FlushToSink(nsAHtml5TreeOpSink* aSink);
private:
/**
* The first buffer in the pending UTF-16 buffer queue
*/
nsRefPtr<nsHtml5UTF16Buffer> mBuffer;
/**
* The start index of this speculation in the first buffer
*/
PRInt32 mStart;
/**
* The current line number at the start of the speculation
*/
PRInt32 mStartLineNumber;
nsAutoPtr<nsAHtml5TreeBuilderState> mSnapshot;
nsTArray<nsHtml5TreeOperation> mOpQueue;
};
#endif // nsHtml5Speculation_h__