chromium/third_party/blink/renderer/core/editing/selection_template.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SELECTION_TEMPLATE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SELECTION_TEMPLATE_H_

#include <iosfwd>

#include "base/dcheck_is_on.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/position.h"
#include "third_party/blink/renderer/core/editing/text_affinity.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"

namespace blink {

// SelectionTemplate is used for representing a selection in DOM tree or Flat
// tree with template parameter |Strategy|. Instances of |SelectionTemplate|
// are "virtually" immutable objects, we change |SelectionTemplate| by copying
// in |SelectionEdtior| and |InvalidSelectionResetter|.
//
// To construct |SelectionTemplate| object, please use |Builder| class.
template <typename Strategy>
class SelectionTemplate final { … };

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

SelectionInDOMTree;
SelectionInFlatTree;

CORE_EXPORT SelectionInDOMTree
ConvertToSelectionInDOMTree(const SelectionInFlatTree&);
CORE_EXPORT SelectionInFlatTree
ConvertToSelectionInFlatTree(const SelectionInDOMTree&);

CORE_EXPORT std::ostream& operator<<(std::ostream&, const SelectionInDOMTree&);
CORE_EXPORT std::ostream& operator<<(std::ostream&, const SelectionInFlatTree&);

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SELECTION_TEMPLATE_H_