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