e8ffbe2852
Just like CSSPseudoElementType, which uses a special type to represent the maximum length. We can replace "CSSPseudoClassType::NotPseudo + 1" with "CSSPseudoClassType::MAX", which means the maximum length. MozReview-Commit-ID: 4xH0avpWPqX
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* atom list for CSS pseudo-classes */
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#ifndef nsCSSPseudoClasses_h___
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#define nsCSSPseudoClasses_h___
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#include "nsStringFwd.h"
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// This pseudo-class is accepted only in UA style sheets.
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#define CSS_PSEUDO_CLASS_UA_SHEET_ONLY (1<<0)
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// This pseudo-class is accepted only in UA style sheets and chrome.
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#define CSS_PSEUDO_CLASS_UA_SHEET_AND_CHROME (1<<1)
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class nsIAtom;
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namespace mozilla {
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// The total count of CSSPseudoClassType is less than 256,
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// so use uint8_t as its underlying type.
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typedef uint8_t CSSPseudoClassTypeBase;
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enum class CSSPseudoClassType : CSSPseudoClassTypeBase
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{
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#define CSS_PSEUDO_CLASS(_name, _value, _flags, _pref) \
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_name,
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#include "nsCSSPseudoClassList.h"
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#undef CSS_PSEUDO_CLASS
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Count,
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NotPseudo, // This value MUST be second last! SelectorMatches depends on it.
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MAX
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};
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} // namespace mozilla
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class nsCSSPseudoClasses
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{
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typedef mozilla::CSSPseudoClassType Type;
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public:
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static void AddRefAtoms();
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static Type GetPseudoType(nsIAtom* aAtom);
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static bool HasStringArg(Type aType);
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static bool HasNthPairArg(Type aType);
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static bool HasSelectorListArg(Type aType) {
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return aType == Type::any;
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}
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static bool IsUserActionPseudoClass(Type aType);
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static bool PseudoClassIsUASheetOnly(Type aType) {
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return PseudoClassHasFlags(aType, CSS_PSEUDO_CLASS_UA_SHEET_ONLY);
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}
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static bool PseudoClassIsUASheetAndChromeOnly(Type aType) {
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return PseudoClassHasFlags(aType, CSS_PSEUDO_CLASS_UA_SHEET_AND_CHROME);
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}
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// Should only be used on types other than Count and NotPseudoClass
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static void PseudoTypeToString(Type aType, nsAString& aString);
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private:
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static uint32_t FlagsForPseudoClass(const Type aType);
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// Does the given pseudo-class have all of the flags given?
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static bool PseudoClassHasFlags(const Type aType, uint32_t aFlags)
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{
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return (FlagsForPseudoClass(aType) & aFlags) == aFlags;
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}
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};
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#endif /* nsCSSPseudoClasses_h___ */
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