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#include "main.h"
#include "./storageHelper.h"
#include "./storageHandler.h"
#include "./storageHandlerEnum.h"
StorageHelper::StorageHelper()
: ref(1)
{
}
StorageHelper::~StorageHelper()
{
}
HRESULT StorageHelper::CreateInstance(StorageHelper **instance)
{
if (NULL == instance) return E_POINTER;
*instance = new StorageHelper();
if (NULL == *instance) return E_OUTOFMEMORY;
return S_OK;
}
size_t StorageHelper::AddRef()
{
return InterlockedIncrement((LONG*)&ref);
}
size_t StorageHelper::Release()
{
if (0 == ref)
return ref;
LONG r = InterlockedDecrement((LONG*)&ref);
if (0 == r)
delete(this);
return r;
}
int StorageHelper::QueryInterface(GUID interface_guid, void **object)
{
if (NULL == object) return E_POINTER;
if (IsEqualIID(interface_guid, IFC_OmStorageHelper))
*object = static_cast<ifc_omstoragehelper*>(this);
else
{
*object = NULL;
return E_NOINTERFACE;
}
if (NULL == *object)
return E_UNEXPECTED;
AddRef();
return S_OK;
}
HRESULT StorageHelper::CreateHandler(const wchar_t *key, HandlerProc proc, ifc_omstoragehandler **handler)
{
return StorageHandler::CreateInstance(key, proc, StorageHandler::flagCopyKey, (StorageHandler**)handler);
}
HRESULT StorageHelper::CreateEnumerator(const TemplateRecord *recordList, size_t recordCount, ifc_omstoragehandlerenum **enumerator)
{
return StorageHandlerEnum::CreateFromTemplate(recordList, recordCount, (StorageHandlerEnum**)enumerator);
}
#define CBCLASS StorageHelper
START_DISPATCH;
CB(ADDREF, AddRef)
CB(RELEASE, Release)
CB(QUERYINTERFACE, QueryInterface)
CB(API_CREATEHANDLER, CreateHandler)
CB(API_CREATEENUMERATOR, CreateEnumerator)
END_DISPATCH;
#undef CBCLASS
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