Dryad/DryadVertex/VertexHost/system/common/include/dryadlisthelper.h

73 lines
1.7 KiB
C++

/*
Copyright (c) Microsoft Corporation
All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
compliance with the License. You may obtain a copy of the License
at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions and
limitations under the License.
*/
#pragma once
#include <DrCommon.h>
#include <DrBList.h>
template< class _T > class DryadBList : public DrBList
{
public:
typedef _T EntryType;
static EntryType* CastOut(DrBListEntry* item)
{
return (item == NULL) ? NULL :
(DR_GET_CONTAINER(EntryType, item, m_listPtr));
}
static DrBListEntry* CastIn(EntryType* item)
{
return &(item->m_listPtr);
}
EntryType* GetNextTyped(EntryType* item)
{
return CastOut(GetNext(CastIn(item)));
}
};
template< class _T, class _B > class DryadBListDerived : public DrBList
{
public:
typedef _T EntryType;
typedef _B BaseType;
typedef DryadBList< BaseType > BaseListType;
static EntryType* CastOut(DrBListEntry* item)
{
return (EntryType *) BaseListType::CastOut(item);
}
static DrBListEntry* CastIn(EntryType* item)
{
return BaseListType::CastIn(item);
}
EntryType* GetNextTyped(EntryType* item)
{
return CastOut(GetNext(CastIn(item)));
}
};