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/*
* Copyright (C) 2024 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,
* 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 "CSSPropertyParserConsumer+MetaConsumerDefinitions.h"
namespace WebCore {
namespace CSSPropertyParserHelpers {
struct IntegerValidator {
static constexpr std::optional<CSS::IntegerUnit> validate(CSSUnitType unitType, CSSPropertyParserOptions)
{
return CSS::UnitTraits<CSS::IntegerUnit>::validate(unitType);
}
template<auto R, typename V> static bool isValid(CSS::IntegerRaw<R, V> raw, CSSPropertyParserOptions)
{
return isValidCanonicalValue(raw);
}
};
template<typename Primitive, typename Validator> struct NumberConsumerForIntegerValues {
static constexpr CSSParserTokenType tokenType = NumberToken;
static std::optional<typename Primitive::Raw> consume(CSSParserTokenRange& range, const CSSParserContext&, CSSCalcSymbolsAllowed, CSSPropertyParserOptions options)
{
ASSERT(range.peek().type() == NumberToken);
if (range.peek().numericValueType() != IntegerValueType)
return std::nullopt;
auto rawValue = typename Primitive::Raw { CSS::IntegerUnit::Integer, range.peek().numericValue() };
if constexpr (rawValue.range.options != CSS::RangeOptions::Default)
rawValue = performParseTimeClamp(rawValue);
if (!Validator::isValid(rawValue, options))
return std::nullopt;
range.consumeIncludingWhitespace();
return rawValue;
}
};
template<CSS::Range R, typename IntType>
struct ConsumerDefinition<CSS::Integer<R, IntType>> {
using FunctionToken = FunctionConsumerForCalcValues<CSS::Integer<R, IntType>>;
using NumberToken = NumberConsumerForIntegerValues<CSS::Integer<R, IntType>, IntegerValidator>;
};
} // namespace CSSPropertyParserHelpers
} // namespace WebCore
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