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/*
* 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+URL.h"
#include "CSSParserTokenRange.h"
#include "CSSPrimitiveValue.h"
#include "CSSValueKeywords.h"
#include <wtf/text/StringView.h>
namespace WebCore {
namespace CSSPropertyParserHelpers {
// MARK: <url>
// https://drafts.csswg.org/css-values/#urls
StringView consumeURLRaw(CSSParserTokenRange& range)
{
auto& token = range.peek();
if (token.type() == UrlToken) {
range.consumeIncludingWhitespace();
return token.value();
}
if (token.functionId() == CSSValueUrl) {
auto rangeCopy = range;
auto args = rangeCopy.consumeBlock();
auto& next = args.consumeIncludingWhitespace();
if (next.type() == BadStringToken || !args.atEnd())
return StringView();
ASSERT(next.type() == StringToken);
range = rangeCopy;
range.consumeWhitespace();
return next.value();
}
return { };
}
RefPtr<CSSPrimitiveValue> consumeURL(CSSParserTokenRange& range)
{
auto url = consumeURLRaw(range);
if (url.isNull())
return nullptr;
return CSSPrimitiveValue::createURI(url.toString());
}
} // namespace CSSPropertyParserHelpers
} // namespace WebCore
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