зеркало из https://github.com/mozilla/gecko-dev.git
59 строки
1.7 KiB
C++
59 строки
1.7 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-element is accepted only in UA style sheets.
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#define CSS_PSEUDO_CLASS_UA_SHEET_ONLY (1<<0)
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class nsIAtom;
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class nsCSSPseudoClasses {
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public:
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static void AddRefAtoms();
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enum Type {
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#define CSS_PSEUDO_CLASS(_name, _value, _flags, _pref) \
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ePseudoClass_##_name,
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#include "nsCSSPseudoClassList.h"
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#undef CSS_PSEUDO_CLASS
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ePseudoClass_Count,
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ePseudoClass_NotPseudoClass /* This value MUST be last! SelectorMatches
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depends on it. */
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};
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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 == ePseudoClass_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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// 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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