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// DLLExports.cpp
#include "StdAfx.h"
#include "Common/MyInitGuid.h"
#include "Common/ComTry.h"
#include "Rar1Decoder.h"
#include "Rar2Decoder.h"
#include "Rar3Decoder.h"
// #include "Rar29Decoder.h"
#define RarClassId(ver) CLSID_CCompressRar ## ver ## Decoder
#define MyClassRar(ver) DEFINE_GUID(RarClassId(ver), \
0x23170F69, 0x40C1, 0x278B, 0x04, 0x03, ver, 0x00, 0x00, 0x00, 0x00, 0x00);
MyClassRar(1);
MyClassRar(2);
MyClassRar(3);
#define CreateCoder(ver) if (*clsid == RarClassId(ver)) \
{ if (!correctInterface) return E_NOINTERFACE; \
coder = (ICompressCoder *)new NCompress::NRar ## ver::CDecoder; }
extern "C"
BOOL WINAPI DllMain(HINSTANCE /* hInstance */, DWORD /* dwReason */, LPVOID /*lpReserved*/)
{
return TRUE;
}
STDAPI CreateObject(const GUID *clsid, const GUID *iid, void **outObject)
{
COM_TRY_BEGIN
*outObject = 0;
int correctInterface = (*iid == IID_ICompressCoder);
CMyComPtr<ICompressCoder> coder;
CreateCoder(1) else
CreateCoder(2) else
CreateCoder(3) else
return CLASS_E_CLASSNOTAVAILABLE;
*outObject = coder.Detach();
COM_TRY_END
return S_OK;
}
struct CRarMethodItem
{
char ID[3];
const wchar_t *UserName;
const GUID *Decoder;
};
static CRarMethodItem g_Methods[] =
{
{ { 0x04, 0x03, 0x01 }, L"Rar15", &RarClassId(1) },
{ { 0x04, 0x03, 0x02 }, L"Rar20", &RarClassId(2) },
{ { 0x04, 0x03, 0x03 }, L"Rar29", &RarClassId(3) }
};
STDAPI GetNumberOfMethods(UINT32 *numMethods)
{
*numMethods = sizeof(g_Methods) / sizeof(g_Methods[1]);
return S_OK;
}
STDAPI GetMethodProperty(UINT32 index, PROPID propID, PROPVARIANT *value)
{
if (index > sizeof(g_Methods) / sizeof(g_Methods[1]))
return E_INVALIDARG;
VariantClear((tagVARIANT *)value);
const CRarMethodItem &method = g_Methods[index];
switch(propID)
{
case NMethodPropID::kID:
if ((value->bstrVal = ::SysAllocStringByteLen(method.ID,
sizeof(method.ID))) != 0)
value->vt = VT_BSTR;
return S_OK;
case NMethodPropID::kName:
if ((value->bstrVal = ::SysAllocString(method.UserName)) != 0)
value->vt = VT_BSTR;
return S_OK;
case NMethodPropID::kDecoder:
if ((value->bstrVal = ::SysAllocStringByteLen(
(const char *)method.Decoder, sizeof(GUID))) != 0)
value->vt = VT_BSTR;
return S_OK;
}
return S_OK;
}
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