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/*
* Copyright (C) 2016-2023 Apple Inc. All rights reserved.
* Copyright (C) 2024 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.
*/
#include "config.h"
#include "CSSPropertyParserConsumer+Conditional.h"
#include "CSSParserContext.h"
#include "CSSParserTokenRange.h"
#include "CSSPropertyParserConsumer+Ident.h"
#include "CSSValueList.h"
namespace WebCore {
namespace CSSPropertyParserHelpers {
RefPtr<CSSPrimitiveValue> consumeSingleContainerName(CSSParserTokenRange& range, const CSSParserContext&)
{
// <single-container-name> = <custom-ident excluding=[none,and,or,not]>+
// https://drafts.csswg.org/css-conditional-5/#propdef-container-name
if (!isValidContainerNameIdentifier(range.peek().id()))
return nullptr;
return consumeCustomIdent(range);
}
RefPtr<CSSValue> consumeContainerName(CSSParserTokenRange& range, const CSSParserContext& context)
{
// <'container-name'> = none | <custom-ident excluding=[none,and,or,not]>+
// https://drafts.csswg.org/css-conditional-5/#propdef-container-name
if (range.peek().id() == CSSValueNone)
return consumeIdent(range);
CSSValueListBuilder list;
do {
auto name = consumeSingleContainerName(range, context);
if (!name)
break;
list.append(name.releaseNonNull());
} while (!range.atEnd());
if (list.isEmpty())
return nullptr;
return CSSValueList::createSpaceSeparated(WTFMove(list));
}
} // namespace CSSPropertyParserHelpers
} // namespace WebCore
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