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107 lines
2.3 KiB
C++
107 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_quota_arraycluster_h__
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#define mozilla_dom_quota_arraycluster_h__
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#include "mozilla/dom/quota/QuotaCommon.h"
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#include "Client.h"
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BEGIN_QUOTA_NAMESPACE
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template <class ValueType, uint32_t Length = Client::TYPE_MAX>
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class ArrayCluster
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{
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public:
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ArrayCluster()
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{
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mArrays.AppendElements(Length);
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}
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nsTArray<ValueType>&
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ArrayAt(uint32_t aIndex)
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{
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MOZ_ASSERT(aIndex < Length, "Bad index!");
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return mArrays[aIndex];
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}
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nsTArray<ValueType>&
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operator[](uint32_t aIndex)
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{
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return ArrayAt(aIndex);
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}
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bool
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IsEmpty()
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{
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for (uint32_t index = 0; index < Length; index++) {
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if (!mArrays[index].IsEmpty()) {
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return false;
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}
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}
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return true;
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}
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template <class T>
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void
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AppendElementsTo(uint32_t aIndex, nsTArray<T>& aArray)
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{
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NS_ASSERTION(aIndex < Length, "Bad index!");
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aArray.AppendElements(mArrays[aIndex]);
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}
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template <class T>
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void
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AppendElementsTo(uint32_t aIndex, ArrayCluster<T, Length>& aArrayCluster)
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{
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NS_ASSERTION(aIndex < Length, "Bad index!");
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aArrayCluster[aIndex].AppendElements(mArrays[aIndex]);
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}
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template <class T>
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void
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AppendElementsTo(nsTArray<T>& aArray)
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{
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for (uint32_t index = 0; index < Length; index++) {
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aArray.AppendElements(mArrays[index]);
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}
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}
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template<class T>
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void
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AppendElementsTo(ArrayCluster<T, Length>& aArrayCluster)
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{
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for (uint32_t index = 0; index < Length; index++) {
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aArrayCluster[index].AppendElements(mArrays[index]);
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}
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}
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template<class T>
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void
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SwapElements(ArrayCluster<T, Length>& aArrayCluster)
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{
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for (uint32_t index = 0; index < Length; index++) {
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mArrays[index].SwapElements(aArrayCluster.mArrays[index]);
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}
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}
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void
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Clear()
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{
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for (uint32_t index = 0; index < Length; index++) {
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mArrays[index].Clear();
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}
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}
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private:
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nsAutoTArray<nsTArray<ValueType>, Length> mArrays;
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};
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END_QUOTA_NAMESPACE
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#endif // mozilla_dom_quota_arraycluster_h__
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