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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsHtml5Speculation_h
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#define nsHtml5Speculation_h
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#include "nsHtml5OwningUTF16Buffer.h"
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#include "nsAHtml5TreeBuilderState.h"
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#include "nsHtml5TreeOperation.h"
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#include "nsAHtml5TreeOpSink.h"
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#include "nsTArray.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/UniquePtr.h"
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class nsHtml5Speculation final : public nsAHtml5TreeOpSink {
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public:
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nsHtml5Speculation(nsHtml5OwningUTF16Buffer* aBuffer, int32_t aStart,
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int32_t aStartLineNumber, int32_t aStartColumnNumber,
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nsAHtml5TreeBuilderState* aSnapshot);
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~nsHtml5Speculation();
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nsHtml5OwningUTF16Buffer* GetBuffer() { return mBuffer; }
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int32_t GetStart() { return mStart; }
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int32_t GetStartLineNumber() { return mStartLineNumber; }
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int32_t GetStartColumnNumber() { return mStartColumnNumber; }
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nsAHtml5TreeBuilderState* GetSnapshot() { return mSnapshot.get(); }
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/**
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* Flush the operations from the tree operations from the argument
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* queue unconditionally.
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*/
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[[nodiscard]] virtual bool MoveOpsFrom(
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nsTArray<nsHtml5TreeOperation>& aOpQueue) override;
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[[nodiscard]] bool FlushToSink(nsAHtml5TreeOpSink* aSink);
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private:
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/**
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* The first buffer in the pending UTF-16 buffer queue
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*/
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RefPtr<nsHtml5OwningUTF16Buffer> mBuffer;
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/**
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* The start index of this speculation in the first buffer
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*/
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int32_t mStart;
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/**
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* The current line number at the start of the speculation
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*/
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int32_t mStartLineNumber;
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/**
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* The current line number at the start of the speculation.
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*/
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int32_t mStartColumnNumber;
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mozilla::UniquePtr<nsAHtml5TreeBuilderState> mSnapshot;
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nsTArray<nsHtml5TreeOperation> mOpQueue;
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};
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#endif // nsHtml5Speculation_h
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