Source/WebCore/editing/DeleteFromTextNodeCommand.h

/*
 * Copyright (C) 2005, 2006, 2008, 2015 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE 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 INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 */

#pragma once

#include "EditCommand.h"

namespace WebCore {

class Text;

class DeleteFromTextNodeCommand : public SimpleEditCommand {
public:
    static Ref<DeleteFromTextNodeCommand> create(Ref<Text>&& node, unsigned offset, unsigned count, EditAction editingAction = EditAction::Delete)
    {
        return adoptRef(*new DeleteFromTextNodeCommand(WTFMove(node), offset, count, editingAction));
    }

protected:
    DeleteFromTextNodeCommand(Ref<Text>&&, unsigned offset, unsigned count, EditAction);

private:
    void doApply() override;
    void doUnapply() override;
    
#ifndef NDEBUG
    void getNodesInCommand(HashSet<Node*>&) override;
#endif
    
    Ref<Text> m_node;
    unsigned m_offset;
    unsigned m_count;
    String m_text;
};

} // namespace WebCore