1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/quota/ArrayCluster.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,106 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_dom_quota_arraycluster_h__
1.11 +#define mozilla_dom_quota_arraycluster_h__
1.12 +
1.13 +#include "mozilla/dom/quota/QuotaCommon.h"
1.14 +
1.15 +#include "Client.h"
1.16 +
1.17 +BEGIN_QUOTA_NAMESPACE
1.18 +
1.19 +template <class ValueType, uint32_t Length = Client::TYPE_MAX>
1.20 +class ArrayCluster
1.21 +{
1.22 +public:
1.23 + ArrayCluster()
1.24 + {
1.25 + mArrays.AppendElements(Length);
1.26 + }
1.27 +
1.28 + nsTArray<ValueType>&
1.29 + ArrayAt(uint32_t aIndex)
1.30 + {
1.31 + MOZ_ASSERT(aIndex < Length, "Bad index!");
1.32 + return mArrays[aIndex];
1.33 + }
1.34 +
1.35 + nsTArray<ValueType>&
1.36 + operator[](uint32_t aIndex)
1.37 + {
1.38 + return ArrayAt(aIndex);
1.39 + }
1.40 +
1.41 + bool
1.42 + IsEmpty()
1.43 + {
1.44 + for (uint32_t index = 0; index < Length; index++) {
1.45 + if (!mArrays[index].IsEmpty()) {
1.46 + return false;
1.47 + }
1.48 + }
1.49 + return true;
1.50 + }
1.51 +
1.52 + template <class T>
1.53 + void
1.54 + AppendElementsTo(uint32_t aIndex, nsTArray<T>& aArray)
1.55 + {
1.56 + NS_ASSERTION(aIndex < Length, "Bad index!");
1.57 + aArray.AppendElements(mArrays[aIndex]);
1.58 + }
1.59 +
1.60 + template <class T>
1.61 + void
1.62 + AppendElementsTo(uint32_t aIndex, ArrayCluster<T, Length>& aArrayCluster)
1.63 + {
1.64 + NS_ASSERTION(aIndex < Length, "Bad index!");
1.65 + aArrayCluster[aIndex].AppendElements(mArrays[aIndex]);
1.66 + }
1.67 +
1.68 + template <class T>
1.69 + void
1.70 + AppendElementsTo(nsTArray<T>& aArray)
1.71 + {
1.72 + for (uint32_t index = 0; index < Length; index++) {
1.73 + aArray.AppendElements(mArrays[index]);
1.74 + }
1.75 + }
1.76 +
1.77 + template<class T>
1.78 + void
1.79 + AppendElementsTo(ArrayCluster<T, Length>& aArrayCluster)
1.80 + {
1.81 + for (uint32_t index = 0; index < Length; index++) {
1.82 + aArrayCluster[index].AppendElements(mArrays[index]);
1.83 + }
1.84 + }
1.85 +
1.86 + template<class T>
1.87 + void
1.88 + SwapElements(ArrayCluster<T, Length>& aArrayCluster)
1.89 + {
1.90 + for (uint32_t index = 0; index < Length; index++) {
1.91 + mArrays[index].SwapElements(aArrayCluster.mArrays[index]);
1.92 + }
1.93 + }
1.94 +
1.95 + void
1.96 + Clear()
1.97 + {
1.98 + for (uint32_t index = 0; index < Length; index++) {
1.99 + mArrays[index].Clear();
1.100 + }
1.101 + }
1.102 +
1.103 +private:
1.104 + nsAutoTArray<nsTArray<ValueType>, Length> mArrays;
1.105 +};
1.106 +
1.107 +END_QUOTA_NAMESPACE
1.108 +
1.109 +#endif // mozilla_dom_quota_arraycluster_h__
