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// HandlerLoader.h
#ifndef __HANDLERLOADER_H
#define __HANDLERLOADER_H
#include "../../ICoder.h"
#include "Windows/DLL.h"
typedef UInt32 (WINAPI * CreateObjectFunc)(
const GUID *clsID,
const GUID *interfaceID,
void **outObject);
class CHandlerLoader: public NWindows::NDLL::CLibrary
{
public:
HRESULT CreateHandler(LPCWSTR filepath, REFGUID clsID,
void **archive, bool outHandler)
{
if (!Load(filepath))
return GetLastError();
CreateObjectFunc createObject = (CreateObjectFunc)
GetProcAddress("CreateObject");
if (createObject == NULL)
{
HRESULT res = ::GetLastError();
Free();
return res;
}
HRESULT res = createObject(&clsID,
outHandler ? &IID_IOutArchive : &IID_IInArchive, (void **)archive);
if (res != 0)
Free();
return res;
}
};
#endif
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