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/*
* Copyright (C) 2020 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,
* 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
#if USE(CF)
#include <CoreFoundation/CoreFoundation.h>
#endif
#if USE(FOUNDATION)
typedef struct _NSRange NSRange;
#endif
namespace WTF {
class TextStream;
}
namespace WebCore {
struct CharacterRange {
uint64_t location { 0 };
uint64_t length { 0 };
CharacterRange() = default;
constexpr CharacterRange(uint64_t location, uint64_t length);
bool operator==(const CharacterRange&) const = default;
#if USE(CF)
constexpr CharacterRange(CFRange);
constexpr operator CFRange() const;
#endif
#if USE(FOUNDATION)
constexpr CharacterRange(NSRange);
constexpr operator NSRange() const;
#endif
};
constexpr CharacterRange::CharacterRange(uint64_t location, uint64_t length)
: location(location)
, length(length)
{
}
WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, const CharacterRange&);
#if USE(CF)
constexpr CharacterRange::CharacterRange(CFRange range)
: CharacterRange(range.location, range.length)
{
ASSERT(range.location != kCFNotFound);
}
constexpr CharacterRange::operator CFRange() const
{
CFIndex locationCF = location;
CFIndex lengthCF = length;
return { locationCF, lengthCF };
}
#endif
#if USE(FOUNDATION) && defined(__OBJC__)
constexpr CharacterRange::CharacterRange(NSRange range)
: CharacterRange { range.location, range.length }
{
ASSERT(range.location != NSNotFound);
}
constexpr CharacterRange::operator NSRange() const
{
NSUInteger locationNS = location;
NSUInteger lengthNS = length;
return { locationNS, lengthNS };
}
#endif
} // namespace WebCore
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