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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 "CSSCalcParser.h"
#include "CSSCalcSymbolsAllowed.h"
#include "CSSCalcValue.h"
#include "CSSParserToken.h"
#include "CSSParserTokenRange.h"
#include "CSSPropertyParserConsumer+MetaConsumerDefinitions.h"
#include "CSSPropertyParserConsumer+Primitives.h"
#include "CSSPropertyParserConsumer+RawTypes.h"
#include "CSSPropertyParserConsumer+UnevaluatedCalc.h"
#include "CalculationCategory.h"
#include "Length.h"
#include <limits>
#include <optional>
#include <wtf/Brigand.h>
#include <wtf/RefPtr.h>
namespace WebCore {
namespace CSSPropertyParserHelpers {
template<typename IntType, IntegerValueRange integerRange>
std::optional<IntegerRaw<IntType, integerRange>> validatedRange(IntegerRaw<IntType, integerRange> value, CSSPropertyParserOptions)
{
return value;
}
template<typename IntType, IntegerValueRange integerRange>
struct IntegerKnownTokenTypeFunctionConsumer {
using RawType = IntegerRaw<IntType, integerRange>;
static constexpr CSSParserTokenType tokenType = FunctionToken;
static std::optional<UnevaluatedCalc<RawType>> consume(CSSParserTokenRange& range, CSSCalcSymbolsAllowed symbolsAllowed, CSSPropertyParserOptions options)
{
ASSERT(range.peek().type() == FunctionToken);
auto rangeCopy = range;
if (RefPtr value = consumeCalcRawWithKnownTokenTypeFunction(rangeCopy, CalculationCategory::Number, WTFMove(symbolsAllowed), options)) {
range = rangeCopy;
return {{ value.releaseNonNull() }};
}
return std::nullopt;
}
};
template<typename IntType, IntegerValueRange integerRange>
struct IntegerKnownTokenTypeNumberConsumer {
using RawType = IntegerRaw<IntType, integerRange>;
static constexpr CSSParserTokenType tokenType = NumberToken;
static std::optional<RawType> consume(CSSParserTokenRange& range, CSSCalcSymbolsAllowed, CSSPropertyParserOptions)
{
ASSERT(range.peek().type() == NumberToken);
if (range.peek().numericValueType() == NumberValueType || range.peek().numericValue() < computeMinimumValue(integerRange))
return std::nullopt;
return RawType { clampTo<IntType>(range.consumeIncludingWhitespace().numericValue()) };
}
};
template<typename IntType, IntegerValueRange integerRange>
struct ConsumerDefinition<IntegerRaw<IntType, integerRange>> {
using RawType = IntegerRaw<IntType, integerRange>;
using type = brigand::list<RawType, UnevaluatedCalc<RawType>>;
using FunctionToken = IntegerKnownTokenTypeFunctionConsumer<IntType, integerRange>;
using NumberToken = IntegerKnownTokenTypeNumberConsumer<IntType, integerRange>;
};
} // namespace CSSPropertyParserHelpers
} // namespace WebCore
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