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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkTemplatesPriv_DEFINED
#define SkTemplatesPriv_DEFINED
#include "SkTemplates.h"
////////////////////////////////////////////////////////////////////////////////
#ifdef SK_BUILD_FOR_WIN32
#define SK_PLACEMENT_NEW(result, classname, storage, storageSize) \
result = SkNEW(classname)
#define SK_PLACEMENT_NEW_ARGS(result, classname, storage, storageSize, args) \
result = SkNEW_ARGS(classname, args)
#else
#include <new>
#define SK_PLACEMENT_NEW(result, classname, storage, storagesize) \
do { \
if (storagesize) \
{ \
SkASSERT(storageSize >= sizeof(classname)); \
result = new(storage) classname; \
} \
else \
result = SkNEW(classname); \
} while (0)
#define SK_PLACEMENT_NEW_ARGS(result, classname, storage, storagesize, args) \
do { \
if (storagesize) \
{ \
SkASSERT(storageSize >= sizeof(classname)); \
result = new(storage) classname args; \
} \
else \
result = SkNEW_ARGS(classname, args); \
} while (0)
#endif
////////////////////////////////////////////////////////////////////////////////
template <class T> class SkAutoTPlacementDelete {
public:
SkAutoTPlacementDelete(T* obj, void* storage) : fObj(obj), fStorage(storage)
{
}
~SkAutoTPlacementDelete()
{
if (fObj)
{
if (fObj == fStorage)
fObj->~T();
else
delete fObj;
}
}
T* detach()
{
T* obj = fObj;
fObj = NULL;
return obj;
}
private:
T* fObj;
void* fStorage;
};
#endif
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