nsCSSAnonBoxes.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* atom list for CSS anonymous boxes */

#ifndef nsCSSAnonBoxes_h___

#define nsCSSAnonBoxes_h___

#include "nsAtom.h"

#include "nsGkAtoms.h"

#include "mozilla/PseudoStyleType.h"

class nsCSSAnonBoxes {

  using PseudoStyleType = mozilla::PseudoStyleType;

  using PseudoStyle = mozilla::PseudoStyle;

 public:

  static bool IsTreePseudoElement(nsAtom* aPseudo);

  static bool IsNonElement(PseudoStyleType aPseudo) {

    return aPseudo == PseudoStyleType::mozText ||

           aPseudo == PseudoStyleType::oofPlaceholder ||

           aPseudo == PseudoStyleType::firstLetterContinuation;

  enum class NonInheriting : uint8_t {

#define CSS_ANON_BOX(_name, _value) /* nothing */

#define CSS_NON_INHERITING_ANON_BOX(_name, _value) _name,

#include "nsCSSAnonBoxList.h"

#undef CSS_NON_INHERITING_ANON_BOX

#undef CSS_ANON_BOX

    _Count

};

  // Get the NonInheriting type for a given pseudo tag.  The pseudo tag must

  // test true for IsNonInheritingAnonBox.

  static NonInheriting NonInheritingTypeForPseudoType(PseudoStyleType aType) {

    MOZ_ASSERT(PseudoStyle::IsNonInheritingAnonBox(aType));

    static_assert(sizeof(PseudoStyleType) == sizeof(uint8_t), "");

    return static_cast<NonInheriting>(

        static_cast<uint8_t>(aType) -

        static_cast<uint8_t>(PseudoStyleType::NonInheritingAnonBoxesStart));

#ifdef DEBUG

  static nsStaticAtom* GetAtomBase();

  static void AssertAtoms();

#endif

// Alias nsCSSAnonBoxes::foo() to nsGkAtoms::AnonBox_foo.

#define CSS_ANON_BOX(name_, value_)                       \

  static nsCSSAnonBoxPseudoStaticAtom* name_() {          \

    return const_cast<nsCSSAnonBoxPseudoStaticAtom*>(     \

        static_cast<const nsCSSAnonBoxPseudoStaticAtom*>( \

            nsGkAtoms::AnonBox_##name_));                 \

#include "nsCSSAnonBoxList.h"

#undef CSS_ANON_BOX

};

#endif /* nsCSSAnonBoxes_h___ */