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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+Transitions.h"
#include "CSSCalcSymbolTable.h"
#include "CSSParserContext.h"
#include "CSSParserTokenRange.h"
#include "CSSPrimitiveValue.h"
#include "CSSPropertyParserConsumer+Ident.h"
#include "CSSValueList.h"
namespace WebCore {
namespace CSSPropertyParserHelpers {
static RefPtr<CSSValue> consumeSingleTransitionPropertyIdent(CSSParserTokenRange& range, const CSSParserToken& token)
{
if (token.id() == CSSValueAll)
return consumeIdent(range);
if (auto property = token.parseAsCSSPropertyID()) {
range.consumeIncludingWhitespace();
return CSSPrimitiveValue::create(property);
}
return consumeCustomIdent(range);
}
RefPtr<CSSValue> consumeSingleTransitionPropertyOrNone(CSSParserTokenRange& range, const CSSParserContext&)
{
// This variant of consumeSingleTransitionProperty is used for the slightly different
// parse rules used for the 'transition' shorthand which allows 'none':
//
// <single-transition-or-none> = [ none | <single-transition-property> ]
// https://drafts.csswg.org/css-transitions/#single-transition-property
auto& token = range.peek();
if (token.type() != IdentToken)
return nullptr;
if (token.id() == CSSValueNone)
return consumeIdent(range);
return consumeSingleTransitionPropertyIdent(range, token);
}
RefPtr<CSSValue> consumeSingleTransitionProperty(CSSParserTokenRange& range, const CSSParserContext&)
{
// "The <custom-ident> production in <single-transition-property> also excludes the keyword
// none, in addition to the keywords always excluded from <custom-ident>."
//
// <single-transition-property> = all | <custom-ident>;
// https://drafts.csswg.org/css-transitions/#single-transition-property
auto& token = range.peek();
if (token.type() != IdentToken)
return nullptr;
if (token.id() == CSSValueNone)
return nullptr;
return consumeSingleTransitionPropertyIdent(range, token);
}
} // namespace CSSPropertyParserHelpers
} // namespace WebCore
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