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// DLLExports.cpp
#include "StdAfx.h"
#include "Common/MyInitGuid.h"
#include "Common/ComTry.h"
#ifdef _WIN32
#include "Common/Alloc.h"
#endif
#include "BZip2Encoder.h"
#include "BZip2Decoder.h"
// {23170F69-40C1-278B-0402-020000000000}
DEFINE_GUID(CLSID_CCompressBZip2Decoder,
0x23170F69, 0x40C1, 0x278B, 0x04, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00);
// {23170F69-40C1-278B-0402-020000000100}
DEFINE_GUID(CLSID_CCompressBZip2Encoder,
0x23170F69, 0x40C1, 0x278B, 0x04, 0x02, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00);
extern "C"
BOOL WINAPI DllMain(HINSTANCE /* hInstance */, DWORD dwReason, LPVOID /*lpReserved*/)
{
#ifdef _WIN32
if (dwReason == DLL_PROCESS_ATTACH)
SetLargePageSize();
#endif
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;
if (*clsid == CLSID_CCompressBZip2Decoder)
{
if (!correctInterface)
return E_NOINTERFACE;
coder = (ICompressCoder *)new NCompress::NBZip2::CDecoder;
}
else if (*clsid == CLSID_CCompressBZip2Encoder)
{
if (!correctInterface)
return E_NOINTERFACE;
coder = (ICompressCoder *)new NCompress::NBZip2::CEncoder;
}
else
return CLASS_E_CLASSNOTAVAILABLE;
*outObject = coder.Detach();
COM_TRY_END
return S_OK;
}
STDAPI GetNumberOfMethods(UINT32 *numMethods)
{
*numMethods = 1;
return S_OK;
}
STDAPI GetMethodProperty(UINT32 index, PROPID propID, PROPVARIANT *value)
{
if (index != 0)
return E_INVALIDARG;
::VariantClear((tagVARIANT *)value);
switch(propID)
{
case NMethodPropID::kID:
{
const char id[] = { 0x04, 0x02, 0x02 };
if ((value->bstrVal = ::SysAllocStringByteLen(id, sizeof(id))) != 0)
value->vt = VT_BSTR;
return S_OK;
}
case NMethodPropID::kName:
if ((value->bstrVal = ::SysAllocString(L"BZip2")) != 0)
value->vt = VT_BSTR;
return S_OK;
case NMethodPropID::kDecoder:
if ((value->bstrVal = ::SysAllocStringByteLen(
(const char *)&CLSID_CCompressBZip2Decoder, sizeof(GUID))) != 0)
value->vt = VT_BSTR;
return S_OK;
case NMethodPropID::kEncoder:
if ((value->bstrVal = ::SysAllocStringByteLen(
(const char *)&CLSID_CCompressBZip2Encoder, sizeof(GUID))) != 0)
value->vt = VT_BSTR;
return S_OK;
}
return S_OK;
}
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