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/*
* Copyright (C) 2022 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.
*/
#include "config.h"
#include "ContainerQueryParser.h"
#include "CSSPrimitiveValue.h"
#include "CSSPropertyParserHelpers.h"
#include "ContainerQueryFeatures.h"
namespace WebCore {
using namespace MQ;
Vector<const FeatureSchema*> ContainerQueryParser::featureSchemas()
{
return {
&CQ::Features::width(),
&CQ::Features::height(),
&CQ::Features::inlineSize(),
&CQ::Features::blockSize(),
&CQ::Features::aspectRatio(),
&CQ::Features::orientation(),
};
}
std::optional<CQ::ContainerQuery> ContainerQueryParser::consumeContainerQuery(CSSParserTokenRange& range, const MediaQueryParserContext& context)
{
ContainerQueryParser parser({ context });
return parser.consumeContainerQuery(range);
}
std::optional<CQ::ContainerQuery> ContainerQueryParser::consumeContainerQuery(CSSParserTokenRange& range)
{
auto consumeName = [&] {
if (range.peek().type() == LeftParenthesisToken || range.peek().type() == FunctionToken)
return nullAtom();
auto nameValue = CSSPropertyParserHelpers::consumeSingleContainerName(range);
if (!nameValue)
return nullAtom();
return AtomString { nameValue->stringValue() };
};
auto name = consumeName();
m_requiredAxes = { };
auto condition = consumeCondition(range);
if (!condition)
return { };
return CQ::ContainerQuery { name, m_requiredAxes, *condition };
}
std::optional<MQ::Feature> ContainerQueryParser::consumeFeature(CSSParserTokenRange& range)
{
auto sizeFeature = MQ::GenericMediaQueryParser<ContainerQueryParser>::consumeFeature(range);
if (!sizeFeature)
return { };
m_requiredAxes.add(CQ::requiredAxesForFeature(*sizeFeature));
return sizeFeature;
}
}
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