Leaked source code of windows server 2003
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// MarshalableTI.h : Declaration of the CMarshalableTI
#ifndef __MARSHALABLETI_H_
#define __MARSHALABLETI_H_
#include "mslablti.h"
#include "resource.h" // main symbols
// ATL doesn't support multiple LCID's at the same time
// Whatever LCID is queried for first is the one that is used.
class CComTypeInfoHolder2
{
// Should be 'protected' but can cause compiler to generate fat code.
public:
const GUID* m_pguid;
const GUID* m_plibid;
WORD m_wMajor;
WORD m_wMinor;
ITypeInfo* m_pInfo;
long m_dwRef;
struct stringdispid
{
CComBSTR bstr;
int nLen;
DISPID id;
};
stringdispid* m_pMap;
int m_nCount;
CComTypeInfoHolder2()
{
m_pInfo = NULL;
m_pMap = NULL;
}
~CComTypeInfoHolder2()
{
if (m_pInfo != NULL)
{
m_pInfo->Release();
}
m_pInfo = NULL;
if(m_pMap!= NULL)
{
delete [] m_pMap;
}
m_pMap = NULL;
}
public:
HRESULT GetTI(LCID lcid, ITypeInfo** ppInfo)
{
HRESULT hr = S_OK;
if (m_pInfo == NULL)
hr = GetTI(lcid);
*ppInfo = m_pInfo;
if (m_pInfo != NULL)
{
m_pInfo->AddRef();
hr = S_OK;
}
return hr;
}
HRESULT GetTI(LCID lcid);
HRESULT EnsureTI(LCID lcid)
{
HRESULT hr = S_OK;
if (m_pInfo == NULL)
hr = GetTI(lcid);
return hr;
}
HRESULT GetTypeInfo(UINT /* itinfo */, LCID lcid, ITypeInfo** pptinfo)
{
HRESULT hRes = E_POINTER;
if (pptinfo != NULL)
hRes = GetTI(lcid, pptinfo);
return hRes;
}
HRESULT GetIDsOfNames(REFIID /* riid */, LPOLESTR* rgszNames, UINT cNames,
LCID lcid, DISPID* rgdispid)
{
HRESULT hRes = EnsureTI(lcid);
if (m_pInfo != NULL)
{
for (int i=0; i<(int)cNames; i++)
{
int n = ocslen(rgszNames[i]);
for (int j=m_nCount-1; j>=0; j--)
{
if ((n == m_pMap[j].nLen) &&
(memcmp(m_pMap[j].bstr, rgszNames[i], m_pMap[j].nLen * sizeof(OLECHAR)) == 0))
{
rgdispid[i] = m_pMap[j].id;
break;
}
}
if (j < 0)
{
hRes = m_pInfo->GetIDsOfNames(rgszNames + i, 1, &rgdispid[i]);
if (FAILED(hRes))
break;
}
}
}
return hRes;
}
HRESULT Invoke(IDispatch* p, DISPID dispidMember, REFIID /* riid */,
LCID lcid, WORD wFlags, DISPPARAMS* pdispparams, VARIANT* pvarResult,
EXCEPINFO* pexcepinfo, UINT* puArgErr)
{
HRESULT hRes = EnsureTI(lcid);
if (m_pInfo != NULL)
hRes = m_pInfo->Invoke(p, dispidMember, wFlags, pdispparams, pvarResult, pexcepinfo, puArgErr);
return hRes;
}
HRESULT LoadNameCache(ITypeInfo* pTypeInfo)
{
TYPEATTR* pta;
HRESULT hr = pTypeInfo->GetTypeAttr(&pta);
if (SUCCEEDED(hr))
{
m_nCount = pta->cFuncs;
m_pMap = m_nCount == 0 ? 0 : new stringdispid[m_nCount];
for (int i=0; i<m_nCount; i++)
{
FUNCDESC* pfd;
if (SUCCEEDED(pTypeInfo->GetFuncDesc(i, &pfd)))
{
CComBSTR bstrName;
if (SUCCEEDED(pTypeInfo->GetDocumentation(pfd->memid, &bstrName, NULL, NULL, NULL)))
{
m_pMap[i].bstr.Attach(bstrName.Detach());
m_pMap[i].nLen = SysStringLen(m_pMap[i].bstr);
m_pMap[i].id = pfd->memid;
}
pTypeInfo->ReleaseFuncDesc(pfd);
}
}
pTypeInfo->ReleaseTypeAttr(pta);
}
return S_OK;
}
};
inline HRESULT CComTypeInfoHolder2::GetTI(LCID lcid)
{
//If this assert occurs then most likely didn't initialize properly
ATLASSERT(m_plibid != NULL && m_pguid != NULL);
ATLASSERT(!InlineIsEqualGUID(*m_plibid, GUID_NULL) && "Did you forget to pass the LIBID to CComModule::Init?");
if (m_pInfo != NULL)
return S_OK;
HRESULT hRes = E_FAIL;
EnterCriticalSection(&_Module.m_csTypeInfoHolder);
if (m_pInfo == NULL)
{
ITypeLib* pTypeLib;
hRes = LoadRegTypeLib(*m_plibid, m_wMajor, m_wMinor, lcid, &pTypeLib);
if (SUCCEEDED(hRes))
{
CComPtr<ITypeInfo> spTypeInfo;
hRes = pTypeLib->GetTypeInfoOfGuid(*m_pguid, &spTypeInfo);
if (SUCCEEDED(hRes))
{
CComPtr<ITypeInfo> spInfo(spTypeInfo);
CComPtr<ITypeInfo2> spTypeInfo2;
if (SUCCEEDED(spTypeInfo->QueryInterface(IID_ITypeInfo2, reinterpret_cast<void**>(&spTypeInfo2))))
spInfo = spTypeInfo2;
LoadNameCache(spInfo);
m_pInfo = spInfo.Detach();
}
pTypeLib->Release();
}
}
LeaveCriticalSection(&_Module.m_csTypeInfoHolder);
return hRes;
}
/////////////////////////////////////////////////////////////////////////////
// CMarshalableTI
class ATL_NO_VTABLE CMarshalableTI :
public CComObjectRootEx<CComSingleThreadModel>,
public CComCoClass<CMarshalableTI, &CLSID_MarshalableTI>,
public IMarshalableTI,
public IMarshal,
public ITypeInfo
{
private:
CComTypeInfoHolder2 m_TIHolder;
GUID m_guid;
GUID m_libid;
LCID m_lcid;
bool m_bCreated;
public:
DECLARE_REGISTRY_RESOURCEID(IDR_MSLABLTI)
DECLARE_NOT_AGGREGATABLE(CMarshalableTI)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CMarshalableTI)
COM_INTERFACE_ENTRY(IMarshalableTI)
COM_INTERFACE_ENTRY(IMarshal)
COM_INTERFACE_ENTRY(ITypeInfo)
END_COM_MAP()
HRESULT FinalConstruct();
/////////////////////////////////////////////////////////////////////////////////
// IMarshalableTI methods
STDMETHOD(Create)(/*[in]*/ REFIID clsid,
/*[in]*/ REFIID iidLib,
/*[in]*/ LCID lcid,
/*[in]*/ WORD dwMajorVer,
/*[in]*/ WORD dwMinorVer);
/////////////////////////////////////////////////////////////////////////////////
// IMarshal methods
STDMETHOD(GetUnmarshalClass)(
/* [in] */ REFIID riid,
/* [unique][in] */ void *pv,
/* [in] */ DWORD dwDestContext,
/* [unique][in] */ void *pvDestContext,
/* [in] */ DWORD mshlflags,
/* [out] */ CLSID *pCid);
STDMETHOD(GetMarshalSizeMax)(
/* [in] */ REFIID riid,
/* [unique][in] */ void *pv,
/* [in] */ DWORD dwDestContext,
/* [unique][in] */ void *pvDestContext,
/* [in] */ DWORD mshlflags,
/* [out] */ DWORD *pSize);
STDMETHOD(MarshalInterface)(
/* [unique][in] */ IStream *pStm,
/* [in] */ REFIID riid,
/* [unique][in] */ void *pv,
/* [in] */ DWORD dwDestContext,
/* [unique][in] */ void *pvDestContext,
/* [in] */ DWORD mshlflags);
STDMETHOD(UnmarshalInterface)(
/* [unique][in] */ IStream *pStm,
/* [in] */ REFIID riid,
/* [out] */ void **ppv);
STDMETHOD(ReleaseMarshalData)(
/* [unique][in] */ IStream *pStm);
STDMETHOD(DisconnectObject)(
/* [in] */ DWORD dwReserved);
/////////////////////////////////////////////////////////////////////////////////
// ITypeInfo methods
STDMETHOD(GetTypeAttr)(
TYPEATTR ** ppTypeAttr);
STDMETHOD(GetTypeComp)(
ITypeComp ** ppTComp);
STDMETHOD(GetFuncDesc)(
UINT index,
FUNCDESC ** ppFuncDesc);
STDMETHOD(GetVarDesc)(
UINT index,
VARDESC ** ppVarDesc);
STDMETHOD(GetNames)(
MEMBERID memid,
BSTR * rgBstrNames,
UINT cMaxNames,
UINT * pcNames);
STDMETHOD(GetRefTypeOfImplType)(
UINT index,
HREFTYPE * pRefType);
STDMETHOD(GetImplTypeFlags)(
UINT index,
INT * pImplTypeFlags);
STDMETHOD(GetIDsOfNames)(
LPOLESTR * rgszNames,
UINT cNames,
MEMBERID * pMemId);
STDMETHOD(Invoke)(
PVOID pvInstance,
MEMBERID memid,
WORD wFlags,
DISPPARAMS * pDispParams,
VARIANT * pVarResult,
EXCEPINFO * pExcepInfo,
UINT * puArgErr);
STDMETHOD(GetDocumentation)(
MEMBERID memid,
BSTR * pBstrName,
BSTR * pBstrDocString,
DWORD * pdwHelpContext,
BSTR * pBstrHelpFile);
STDMETHOD(GetDllEntry)(
MEMBERID memid,
INVOKEKIND invKind,
BSTR * pBstrDllName,
BSTR * pBstrName,
WORD * pwOrdinal);
STDMETHOD(GetRefTypeInfo)(
HREFTYPE hRefType,
ITypeInfo ** ppTInfo);
STDMETHOD(AddressOfMember)(
MEMBERID memid,
INVOKEKIND invKind,
PVOID * ppv);
STDMETHOD(CreateInstance)(
IUnknown * pUnkOuter,
REFIID riid,
PVOID * ppvObj);
STDMETHOD(GetMops)(
MEMBERID memid,
BSTR * pBstrMops);
STDMETHOD(GetContainingTypeLib)(
ITypeLib ** ppTLib,
UINT * pIndex);
STDMETHOD_(void, ReleaseTypeAttr)(
TYPEATTR * pTypeAttr);
STDMETHOD_(void, ReleaseFuncDesc)(
FUNCDESC * pFuncDesc);
STDMETHOD_(void, ReleaseVarDesc)(
VARDESC * pVarDesc);
private:
HRESULT _GetClassInfo(ITypeInfo** ppTI);
};
#endif //__MARSHALABLETI_H_