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/*
* Copyright (C) 2024 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.
*/
#pragma once
#include "CSSParserMode.h"
#include <optional>
namespace WebCore {
enum class AnchorPolicy : bool { Forbid, Allow };
enum class AnchorSizePolicy : bool { Forbid, Allow };
enum class UnitlessZeroQuirk : bool { Allow, Forbid };
struct CSSPropertyParserOptions {
// Generally, the parser mode will be determined via the mode on the CSSParserContext, but
// in a few cases, it is necessary to override the mode to force a specific behavior.
std::optional<CSSParserMode> overrideParserMode { };
// Generally, anchor() is forbidden, but in a few cases specified in CSS Anchor Positioning
// spec it can be allowed.
// https://drafts.csswg.org/css-anchor-position-1/#anchor-pos
AnchorPolicy anchorPolicy { AnchorPolicy::Forbid };
// Generally, anchor-size() is forbidden, but in a few cases specified in CSS Anchor Positioning
// spec it can be allowed.
// https://drafts.csswg.org/css-anchor-position-1/#anchor-size-fn
AnchorSizePolicy anchorSizePolicy { AnchorSizePolicy::Forbid };
// Generally, unitless zero is forbidden for <angle> values, but in a few legacy cases, it is
// it can be allowed.
// https://drafts.csswg.org/css-values-4/#angles
UnitlessZeroQuirk unitlessZeroAngle { UnitlessZeroQuirk::Forbid };
// Generally, unitless zero is allowed for <length> values, but in a few cases, when it is
// ambiguous with a <number> production, it can be forbidden.
// https://drafts.csswg.org/css-values-4/#lengths
UnitlessZeroQuirk unitlessZeroLength { UnitlessZeroQuirk::Allow };
};
} // namespace WebCore
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