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/*
* Copyright (C) 2014 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. AND ITS CONTRIBUTORS ``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 ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "ArgumentCoders.h"
#include <wtf/RefPtr.h>
namespace WebCore {
class LocalFrame;
struct SimpleRange;
}
namespace WebKit {
enum class EditingRangeIsRelativeTo : uint8_t {
EditableRoot,
Paragraph,
};
// FIXME: Replace this with std::optional<CharacterRange>.
struct EditingRange {
EditingRange()
: location(notFound)
, length(0)
{
}
EditingRange(uint64_t location, uint64_t length)
: location(location)
, length(length)
{
}
// (notFound, 0) is notably valid.
bool isValid() const { return location + length >= location; }
static std::optional<WebCore::SimpleRange> toRange(WebCore::LocalFrame&, const EditingRange&, EditingRangeIsRelativeTo = EditingRangeIsRelativeTo::EditableRoot);
static EditingRange fromRange(WebCore::LocalFrame&, const std::optional<WebCore::SimpleRange>&, EditingRangeIsRelativeTo = EditingRangeIsRelativeTo::EditableRoot);
#if defined(__OBJC__)
EditingRange(NSRange range)
{
if (range.location != NSNotFound) {
location = range.location;
length = range.length;
} else {
location = notFound;
length = 0;
}
}
operator NSRange() const
{
if (location == notFound)
return NSMakeRange(NSNotFound, 0);
return NSMakeRange(location, length);
}
#endif
uint64_t location;
uint64_t length;
};
}
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