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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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,
* 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 <WebCore/StyleLengthWrapper.h>
#include <WebCore/StyleValueTypes.h>
namespace WebCore {
namespace Style {
struct TextIndentLength : LengthWrapperBase<LengthPercentage<CSS::AllUnzoomed>> {
using Base::Base;
};
// <'text-indent'> = <length-percentage> && hanging? && each-line?
// https://drafts.csswg.org/css-text-3/#propdef-text-indent
struct TextIndent {
TextIndent(CSS::ValueLiteral<CSS::LengthUnit::Px> literal)
: length { literal }
{
}
TextIndent(CSS::ValueLiteral<CSS::PercentageUnit::Percentage> literal)
: length { literal }
{
}
TextIndent(TextIndentLength&& length)
: length { WTFMove(length) }
{
}
TextIndent(TextIndentLength&& length, CSS::Keyword::Hanging hanging)
: length { WTFMove(length) }
, hanging { hanging }
{
}
TextIndent(TextIndentLength&& length, CSS::Keyword::EachLine eachLine)
: length { WTFMove(length) }
, eachLine { eachLine }
{
}
TextIndent(TextIndentLength&& length, std::optional<CSS::Keyword::Hanging> hanging, std::optional<CSS::Keyword::EachLine> eachLine)
: length { WTFMove(length) }
, hanging { hanging }
, eachLine { eachLine }
{
}
TextIndentLength length;
std::optional<CSS::Keyword::Hanging> hanging;
std::optional<CSS::Keyword::EachLine> eachLine;
bool operator==(const TextIndent&) const = default;
};
template<size_t I> const auto& get(const TextIndent& value)
{
if constexpr (!I)
return value.length;
else if constexpr (I == 1)
return value.hanging;
else if constexpr (I == 2)
return value.eachLine;
}
// MARK: - Conversion
template<> struct CSSValueConversion<TextIndent> { auto operator()(BuilderState&, const CSSValue&) -> TextIndent; };
// MARK: - Blending
template<> struct Blending<TextIndent> {
auto canBlend(const TextIndent&, const TextIndent&) -> bool;
auto blend(const TextIndent&, const TextIndent&, const BlendingContext&) -> TextIndent;
};
} // namespace Style
} // namespace WebCore
DEFINE_VARIANT_LIKE_CONFORMANCE(WebCore::Style::TextIndentLength);
DEFINE_SPACE_SEPARATED_TUPLE_LIKE_CONFORMANCE(WebCore::Style::TextIndent, 3);
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