1/*
2 * Copyright (C) 2005, 2006, 2008, 2015 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "EditCommand.h"
29
30namespace WebCore {
31
32class Text;
33
34class DeleteFromTextNodeCommand : public SimpleEditCommand {
35public:
36 static Ref<DeleteFromTextNodeCommand> create(Ref<Text>&& node, unsigned offset, unsigned count, EditAction editingAction = EditAction::Delete)
37 {
38 return adoptRef(*new DeleteFromTextNodeCommand(WTFMove(node), offset, count, editingAction));
39 }
40
41protected:
42 DeleteFromTextNodeCommand(Ref<Text>&&, unsigned offset, unsigned count, EditAction);
43
44private:
45 void doApply() override;
46 void doUnapply() override;
47
48#ifndef NDEBUG
49 void getNodesInCommand(HashSet<Node*>&) override;
50#endif
51
52 Ref<Text> m_node;
53 unsigned m_offset;
54 unsigned m_count;
55 String m_text;
56};
57
58} // namespace WebCore
59