43 lines
991 B
C++
43 lines
991 B
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <optional>
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#include <react/renderer/css/CSSAngleUnit.h>
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#include <react/renderer/css/CSSDataType.h>
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namespace facebook::react {
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/**
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* Representation of CSS <angle> data type
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* https://www.w3.org/TR/css-values-4/#angles
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*/
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struct CSSAngle {
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float degrees{};
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constexpr bool operator==(const CSSAngle &rhs) const = default;
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};
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template <>
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struct CSSDataTypeParser<CSSAngle> {
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static constexpr auto consumePreservedToken(const CSSPreservedToken &token) -> std::optional<CSSAngle>
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{
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if (token.type() == CSSTokenType::Dimension) {
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if (auto unit = parseCSSAngleUnit(token.unit())) {
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return CSSAngle{canonicalize(token.numericValue(), *unit)};
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}
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}
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return {};
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}
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};
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static_assert(CSSDataType<CSSAngle>);
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} // namespace facebook::react
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