layout/style/nsCSSAnonBoxes.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 /* atom list for CSS anonymous boxes */
   8
   9 #include "mozilla/ArrayUtils.h"
  10
  11 #include "nsCSSAnonBoxes.h"
  12 #include "nsGkAtomConsts.h"
  13 #include "nsStaticAtomUtils.h"
  14
  15 using namespace mozilla;
  16
  17 #ifdef MOZ_XUL
  18 /* static */
  19 bool nsCSSAnonBoxes::IsTreePseudoElement(nsAtom* aPseudo) {
  20   return StringBeginsWith(nsDependentAtomString(aPseudo), u":-moz-tree-"_ns);
  21 }
  22 #endif
  23
  24 #ifdef DEBUG
  25 /* static */
  26 nsStaticAtom* nsCSSAnonBoxes::GetAtomBase() {
  27   return const_cast<nsStaticAtom*>(
  28       nsGkAtoms::GetAtomByIndex(kAtomIndex_AnonBoxes));
  29 }
  30
  31 /* static */
  32 void nsCSSAnonBoxes::AssertAtoms() {
  33   nsStaticAtom* base = GetAtomBase();
  34   size_t index = 0;
  35 #  define CSS_ANON_BOX(name_, value_)                                 \
  36     {                                                                 \
  37       RefPtr<nsAtom> atom = NS_Atomize(value_);                       \
  38       MOZ_ASSERT(atom == nsGkAtoms::AnonBox_##name_,                  \
  39                  "Static atom for " #name_ " has incorrect value");   \
  40       MOZ_ASSERT(atom == &base[index],                                \
  41                  "Static atom for " #name_ " not at expected index"); \
  42       ++index;                                                        \
  43     }
  44 #  include "nsCSSAnonBoxList.h"
  45 #  undef CSS_ANON_BOX
  46 }
  47 #endif