xpcom/base/EnumeratedArrayCycleCollection.h

   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 #ifndef EnumeratedArrayCycleCollection_h_
   8 #define EnumeratedArrayCycleCollection_h_
   9
  10 #include "mozilla/EnumeratedArray.h"
  11 #include "nsCycleCollectionTraversalCallback.h"
  12
  13 template <typename IndexType, IndexType SizeAsEnumValue, typename ValueType>
  14 inline void ImplCycleCollectionUnlink(
  15     mozilla::EnumeratedArray<IndexType, SizeAsEnumValue, ValueType>& aField) {
  16   for (size_t i = 0; i < size_t(SizeAsEnumValue); ++i) {
  17     aField[IndexType(i)] = nullptr;
  18   }
  19 }
  20
  21 template <typename IndexType, IndexType SizeAsEnumValue, typename ValueType>
  22 inline void ImplCycleCollectionTraverse(
  23     nsCycleCollectionTraversalCallback& aCallback,
  24     mozilla::EnumeratedArray<IndexType, SizeAsEnumValue, ValueType>& aField,
  25     const char* aName, uint32_t aFlags = 0) {
  26   aFlags |= CycleCollectionEdgeNameArrayFlag;
  27   for (size_t i = 0; i < size_t(SizeAsEnumValue); ++i) {
  28     ImplCycleCollectionTraverse(aCallback, aField[IndexType(i)], aName, aFlags);
  29   }
  30 }
  31
  32 #endif  // EnumeratedArrayCycleCollection_h_