зеркало из https://github.com/mozilla/gecko-dev.git
114 строки
3.2 KiB
C++
114 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef mozilla_PseudoStyleType_h
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#define mozilla_PseudoStyleType_h
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#include <cstdint>
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#include <iosfwd>
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namespace mozilla {
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// The kind of pseudo-style that we have. This can be:
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//
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// * CSS pseudo-elements (see nsCSSPseudoElements.h).
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// * Anonymous boxes (see nsCSSAnonBoxes.h).
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// * XUL tree pseudo-element stuff.
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//
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// This roughly corresponds to the `PseudoElement` enum in Rust code.
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enum class PseudoStyleType : uint8_t {
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// If CSS pseudo-elements stop being first here, change GetPseudoType.
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#define CSS_PSEUDO_ELEMENT(_name, _value, _flags) _name,
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#include "nsCSSPseudoElementList.h"
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#undef CSS_PSEUDO_ELEMENT
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CSSPseudoElementsEnd,
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AnonBoxesStart = CSSPseudoElementsEnd,
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InheritingAnonBoxesStart = CSSPseudoElementsEnd,
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// Dummy variant so the next variant also has the same discriminant as
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// AnonBoxesStart.
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__reset_1 = AnonBoxesStart - 1,
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#define CSS_ANON_BOX(_name, _str) _name,
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#define CSS_NON_INHERITING_ANON_BOX(_name, _str)
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#define CSS_WRAPPER_ANON_BOX(_name, _str)
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#include "nsCSSAnonBoxList.h"
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#undef CSS_ANON_BOX
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#undef CSS_WRAPPER_ANON_BOX
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#undef CSS_NON_INHERITING_ANON_BOX
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// Wrapper anon boxes are inheriting anon boxes.
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WrapperAnonBoxesStart,
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// Dummy variant so the next variant also has the same discriminant as
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// WrapperAnonBoxesStart.
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__reset_2 = WrapperAnonBoxesStart - 1,
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#define CSS_ANON_BOX(_name, _str)
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#define CSS_NON_INHERITING_ANON_BOX(_name, _str)
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#define CSS_WRAPPER_ANON_BOX(_name, _str) _name,
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#include "nsCSSAnonBoxList.h"
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#undef CSS_ANON_BOX
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#undef CSS_WRAPPER_ANON_BOX
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#undef CSS_NON_INHERITING_ANON_BOX
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WrapperAnonBoxesEnd,
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InheritingAnonBoxesEnd = WrapperAnonBoxesEnd,
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NonInheritingAnonBoxesStart = WrapperAnonBoxesEnd,
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__reset_3 = NonInheritingAnonBoxesStart - 1,
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#define CSS_ANON_BOX(_name, _str)
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#define CSS_NON_INHERITING_ANON_BOX(_name, _str) _name,
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#include "nsCSSAnonBoxList.h"
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#undef CSS_ANON_BOX
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#undef CSS_NON_INHERITING_ANON_BOX
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NonInheritingAnonBoxesEnd,
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AnonBoxesEnd = NonInheritingAnonBoxesEnd,
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XULTree = AnonBoxesEnd,
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NotPseudo,
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MAX
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};
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std::ostream& operator<<(std::ostream&, PseudoStyleType);
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class PseudoStyle final {
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public:
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using Type = PseudoStyleType;
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// This must match EAGER_PSEUDO_COUNT in Rust code.
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static const size_t kEagerPseudoCount = 4;
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static bool IsPseudoElement(Type aType) {
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return aType < Type::CSSPseudoElementsEnd;
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}
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static bool IsAnonBox(Type aType) {
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return aType >= Type::AnonBoxesStart && aType < Type::AnonBoxesEnd;
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}
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static bool IsInheritingAnonBox(Type aType) {
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return aType >= Type::InheritingAnonBoxesStart &&
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aType < Type::InheritingAnonBoxesEnd;
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}
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static bool IsNonInheritingAnonBox(Type aType) {
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return aType >= Type::NonInheritingAnonBoxesStart &&
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aType < Type::NonInheritingAnonBoxesEnd;
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}
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static bool IsWrapperAnonBox(Type aType) {
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return aType >= Type::WrapperAnonBoxesStart &&
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aType < Type::WrapperAnonBoxesEnd;
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}
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};
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} // namespace mozilla
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#endif
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