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/*
* Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* 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 THE COPYRIGHT HOLDER "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 THE COPYRIGHT HOLDER BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PARSER_CSS_PARSER_MODE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PARSER_CSS_PARSER_MODE_H_
#include <stdint.h>
namespace blink {
// Must not grow beyond 3 bits, due to packing in CSSPropertyValueSet.
enum CSSParserMode : uint8_t {
kHTMLStandardMode,
kHTMLQuirksMode,
// SVG attributes are parsed in quirks mode but rules differ slightly.
kSVGAttributeMode,
// @viewport/@font-face rules are specially tagged in CSSPropertyValueSet so
// CSSOM modifications don't treat them as style rules.
kCSSViewportRuleMode,
kCSSFontFaceRuleMode,
// User agent stylesheets are parsed in standards mode but also allows
// internal properties and values.
kUASheetMode,
// This should always be the last entry.
kNumCSSParserModes
};
inline bool IsQuirksModeBehavior(CSSParserMode mode) {
return mode == kHTMLQuirksMode;
}
inline bool IsUASheetBehavior(CSSParserMode mode) {
return mode == kUASheetMode;
}
inline bool IsCSSViewportParsingEnabledForMode(CSSParserMode mode) {
return mode == kCSSViewportRuleMode;
}
inline bool IsUseCounterEnabledForMode(CSSParserMode mode) {
// We don't count the UA style sheet in our statistics.
return mode != kUASheetMode;
}
// Used in CSSParser APIs to say if we should defer parsing of declaration lists
// in style rules until we need them for CSSOM access, or for applying matched
// rules to computed style.
enum class CSSDeferPropertyParsing { kNo, kYes };
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PARSER_CSS_PARSER_MODE_H_
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