1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
|
/*
* 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+Page.h"
#include "CSSCalcSymbolTable.h"
#include "CSSParserContext.h"
#include "CSSParserTokenRange.h"
#include "CSSPrimitiveValue.h"
#include "CSSPropertyParserConsumer+Ident.h"
#include "CSSPropertyParserConsumer+Length.h"
#include "CSSPropertyParsing.h"
#include "CSSValueKeywords.h"
#include "CSSValuePair.h"
namespace WebCore {
namespace CSSPropertyParserHelpers {
RefPtr<CSSValue> consumeSize(CSSParserTokenRange& range, const CSSParserContext& context)
{
// <'size'> = <length [0,∞]>{1,2} | auto | [ <page-size> || [ portrait | landscape ] ]
// https://drafts.csswg.org/css-page/#descdef-page-size
if (consumeIdentRaw<CSSValueAuto>(range))
return CSSPrimitiveValue::create(CSSValueAuto);
if (auto width = consumeLength(range, context, ValueRange::NonNegative)) {
auto height = consumeLength(range, context, ValueRange::NonNegative);
if (!height)
return width;
return CSSValuePair::create(width.releaseNonNull(), height.releaseNonNull());
}
auto pageSize = CSSPropertyParsing::consumePageSize(range);
auto orientation = consumeIdent<CSSValuePortrait, CSSValueLandscape>(range);
if (!pageSize)
pageSize = CSSPropertyParsing::consumePageSize(range);
if (!orientation && !pageSize)
return nullptr;
if (pageSize && !orientation)
return pageSize;
if (!pageSize)
return orientation;
return CSSValuePair::create(pageSize.releaseNonNull(), orientation.releaseNonNull());
}
} // namespace CSSPropertyParserHelpers
} // namespace WebCore
|