gecko/parser/html/nsHtml5Speculation.h

72 lines
1.8 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsHtml5Speculation_h__
#define nsHtml5Speculation_h__
#include "nsHtml5OwningUTF16Buffer.h"
#include "nsAHtml5TreeBuilderState.h"
#include "nsHtml5TreeOperation.h"
#include "nsAHtml5TreeOpSink.h"
#include "nsTArray.h"
#include "nsAutoPtr.h"
#include "mozilla/Attributes.h"
class nsHtml5Speculation MOZ_FINAL : public nsAHtml5TreeOpSink
{
public:
nsHtml5Speculation(nsHtml5OwningUTF16Buffer* aBuffer,
PRInt32 aStart,
PRInt32 aStartLineNumber,
nsAHtml5TreeBuilderState* aSnapshot);
~nsHtml5Speculation();
nsHtml5OwningUTF16Buffer* GetBuffer() {
return mBuffer;
}
PRInt32 GetStart() {
return mStart;
}
PRInt32 GetStartLineNumber() {
return mStartLineNumber;
}
nsAHtml5TreeBuilderState* GetSnapshot() {
return mSnapshot;
}
/**
* Flush the operations from the tree operations from the argument
* queue unconditionally.
*/
virtual void MoveOpsFrom(nsTArray<nsHtml5TreeOperation>& aOpQueue);
void FlushToSink(nsAHtml5TreeOpSink* aSink);
private:
/**
* The first buffer in the pending UTF-16 buffer queue
*/
nsRefPtr<nsHtml5OwningUTF16Buffer> 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__