chromium/third_party/blink/renderer/core/editing/iterators/simplified_backwards_text_iterator.h

/*
 * Copyright (C) 2004, 2006, 2009 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_ITERATORS_SIMPLIFIED_BACKWARDS_TEXT_ITERATOR_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_ITERATORS_SIMPLIFIED_BACKWARDS_TEXT_ITERATOR_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/editing/forward.h"
#include "third_party/blink/renderer/core/editing/iterators/fully_clipped_state_stack.h"
#include "third_party/blink/renderer/core/editing/iterators/text_iterator_behavior.h"
#include "third_party/blink/renderer/core/editing/iterators/text_iterator_text_state.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"

namespace blink {

class LayoutText;

// Iterates through the DOM range, returning all the text, and 0-length
// boundaries at points where replaced elements break up the text flow. The text
// comes back in chunks so as to optimize for performance of the iteration.
template <typename Strategy>
class SimplifiedBackwardsTextIteratorAlgorithm { … };

extern template class CORE_EXTERN_TEMPLATE_EXPORT
    SimplifiedBackwardsTextIteratorAlgorithm<EditingStrategy>;
extern template class CORE_EXTERN_TEMPLATE_EXPORT
    SimplifiedBackwardsTextIteratorAlgorithm<EditingInFlatTreeStrategy>;

SimplifiedBackwardsTextIterator;
SimplifiedBackwardsTextIteratorInFlatTree;

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_ITERATORS_SIMPLIFIED_BACKWARDS_TEXT_ITERATOR_H_