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Sweden-Number/dlls/ole32/antimoniker.c

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/*
* AntiMonikers implementation
*
* Copyright 1999 Noomen Hamza
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdarg.h>
#include <string.h>
#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "objbase.h"
#include "wine/debug.h"
#include "moniker.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
/* AntiMoniker data structure */
typedef struct AntiMonikerImpl{
IMoniker IMoniker_iface;
IROTData IROTData_iface;
LONG ref;
IUnknown *pMarshal; /* custom marshaler */
} AntiMonikerImpl;
static inline AntiMonikerImpl *impl_from_IMoniker(IMoniker *iface)
{
return CONTAINING_RECORD(iface, AntiMonikerImpl, IMoniker_iface);
}
static inline AntiMonikerImpl *impl_from_IROTData(IROTData *iface)
{
return CONTAINING_RECORD(iface, AntiMonikerImpl, IROTData_iface);
}
/*******************************************************************************
* AntiMoniker_QueryInterface
*******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
{
AntiMonikerImpl *This = impl_from_IMoniker(iface);
TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
/* Perform a sanity check on the parameters.*/
if ( ppvObject==0 )
return E_INVALIDARG;
/* Initialize the return parameter */
*ppvObject = 0;
/* Compare the riid with the interface IDs implemented by this object.*/
if (IsEqualIID(&IID_IUnknown, riid) ||
IsEqualIID(&IID_IPersist, riid) ||
IsEqualIID(&IID_IPersistStream, riid) ||
IsEqualIID(&IID_IMoniker, riid))
*ppvObject = iface;
else if (IsEqualIID(&IID_IROTData, riid))
*ppvObject = &This->IROTData_iface;
else if (IsEqualIID(&IID_IMarshal, riid))
{
HRESULT hr = S_OK;
if (!This->pMarshal)
hr = MonikerMarshal_Create(iface, &This->pMarshal);
if (hr != S_OK)
return hr;
return IUnknown_QueryInterface(This->pMarshal, riid, ppvObject);
}
/* Check that we obtained an interface.*/
if ((*ppvObject)==0)
return E_NOINTERFACE;
/* always increase the reference count by one when it is successful */
IMoniker_AddRef(iface);
return S_OK;
}
/******************************************************************************
* AntiMoniker_AddRef
******************************************************************************/
static ULONG WINAPI
AntiMonikerImpl_AddRef(IMoniker* iface)
{
AntiMonikerImpl *This = impl_from_IMoniker(iface);
TRACE("(%p)\n",This);
return InterlockedIncrement(&This->ref);
}
/******************************************************************************
* AntiMoniker_Release
******************************************************************************/
static ULONG WINAPI
AntiMonikerImpl_Release(IMoniker* iface)
{
AntiMonikerImpl *This = impl_from_IMoniker(iface);
ULONG ref;
TRACE("(%p)\n",This);
ref = InterlockedDecrement(&This->ref);
/* destroy the object if there's no more reference on it */
if (ref == 0)
{
if (This->pMarshal) IUnknown_Release(This->pMarshal);
HeapFree(GetProcessHeap(),0,This);
}
return ref;
}
/******************************************************************************
* AntiMoniker_GetClassID
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
{
TRACE("(%p,%p)\n",iface,pClassID);
if (pClassID==NULL)
return E_POINTER;
*pClassID = CLSID_AntiMoniker;
return S_OK;
}
/******************************************************************************
* AntiMoniker_IsDirty
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_IsDirty(IMoniker* iface)
{
/* Note that the OLE-provided implementations of the IPersistStream::IsDirty
method in the OLE-provided moniker interfaces always return S_FALSE because
their internal state never changes. */
TRACE("(%p)\n",iface);
return S_FALSE;
}
/******************************************************************************
* AntiMoniker_Load
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_Load(IMoniker* iface,IStream* pStm)
{
DWORD constant=1,dwbuffer;
HRESULT res;
/* data read by this function is only a DWORD constant (must be 1) ! */
res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),NULL);
if (SUCCEEDED(res)&& dwbuffer!=constant)
return E_FAIL;
return res;
}
/******************************************************************************
* AntiMoniker_Save
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_Save(IMoniker* iface,IStream* pStm,BOOL fClearDirty)
{
static const DWORD constant = 1;
/* data written by this function is only a DWORD constant set to 1 ! */
return IStream_Write(pStm,&constant,sizeof(constant),NULL);
}
/******************************************************************************
* AntiMoniker_GetSizeMax
*
* PARAMS
* pcbSize [out] Pointer to size of stream needed to save object
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize)
{
TRACE("(%p,%p)\n",iface,pcbSize);
if (!pcbSize)
return E_POINTER;
/* for more details see AntiMonikerImpl_Save comments */
/*
* Normally the sizemax must be sizeof DWORD, but
* I tested this function it usually return 16 bytes
* more than the number of bytes used by AntiMoniker::Save function
*/
pcbSize->u.LowPart = sizeof(DWORD)+16;
pcbSize->u.HighPart=0;
return S_OK;
}
/******************************************************************************
* AntiMoniker_BindToObject
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_BindToObject(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
REFIID riid, VOID** ppvResult)
{
TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
return E_NOTIMPL;
}
/******************************************************************************
* AntiMoniker_BindToStorage
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_BindToStorage(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
REFIID riid, VOID** ppvResult)
{
TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
return E_NOTIMPL;
}
/******************************************************************************
* AntiMoniker_Reduce
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_Reduce(IMoniker* iface, IBindCtx* pbc, DWORD dwReduceHowFar,
IMoniker** ppmkToLeft, IMoniker** ppmkReduced)
{
TRACE("(%p,%p,%d,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
if (ppmkReduced==NULL)
return E_POINTER;
AntiMonikerImpl_AddRef(iface);
*ppmkReduced=iface;
return MK_S_REDUCED_TO_SELF;
}
/******************************************************************************
* AntiMoniker_ComposeWith
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_ComposeWith(IMoniker* iface, IMoniker* pmkRight,
BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite)
{
TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
if ((ppmkComposite==NULL)||(pmkRight==NULL))
return E_POINTER;
*ppmkComposite=0;
if (fOnlyIfNotGeneric)
return MK_E_NEEDGENERIC;
else
return CreateGenericComposite(iface,pmkRight,ppmkComposite);
}
/******************************************************************************
* AntiMoniker_Enum
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
{
TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
if (ppenumMoniker == NULL)
return E_POINTER;
*ppenumMoniker = NULL;
return S_OK;
}
/******************************************************************************
* AntiMoniker_IsEqual
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
{
DWORD mkSys;
TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
if (pmkOtherMoniker==NULL)
return S_FALSE;
IMoniker_IsSystemMoniker(pmkOtherMoniker,&mkSys);
if (mkSys==MKSYS_ANTIMONIKER)
return S_OK;
else
return S_FALSE;
}
/******************************************************************************
* AntiMoniker_Hash
******************************************************************************/
static HRESULT WINAPI AntiMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
{
if (pdwHash==NULL)
return E_POINTER;
*pdwHash = 0x80000001;
return S_OK;
}
/******************************************************************************
* AntiMoniker_IsRunning
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_IsRunning(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
IMoniker* pmkNewlyRunning)
{
IRunningObjectTable* rot;
HRESULT res;
TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
if (pbc==NULL)
return E_INVALIDARG;
res=IBindCtx_GetRunningObjectTable(pbc,&rot);
if (FAILED(res))
return res;
res = IRunningObjectTable_IsRunning(rot,iface);
IRunningObjectTable_Release(rot);
return res;
}
/******************************************************************************
* AntiMoniker_GetTimeOfLastChange
******************************************************************************/
static HRESULT WINAPI AntiMonikerImpl_GetTimeOfLastChange(IMoniker* iface,
IBindCtx* pbc,
IMoniker* pmkToLeft,
FILETIME* pAntiTime)
{
TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pAntiTime);
return E_NOTIMPL;
}
/******************************************************************************
* AntiMoniker_Inverse
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
{
TRACE("(%p,%p)\n",iface,ppmk);
if (ppmk==NULL)
return E_POINTER;
*ppmk=0;
return MK_E_NOINVERSE;
}
/******************************************************************************
* AntiMoniker_CommonPrefixWith
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
{
DWORD mkSys;
IMoniker_IsSystemMoniker(pmkOther,&mkSys);
if(mkSys==MKSYS_ANTIMONIKER){
IMoniker_AddRef(iface);
*ppmkPrefix=iface;
IMoniker_AddRef(iface);
return MK_S_US;
}
else
return MonikerCommonPrefixWith(iface,pmkOther,ppmkPrefix);
}
/******************************************************************************
* AntiMoniker_RelativePathTo
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
{
TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
if (ppmkRelPath==NULL)
return E_POINTER;
IMoniker_AddRef(pmOther);
*ppmkRelPath=pmOther;
return MK_S_HIM;
}
/******************************************************************************
* AntiMoniker_GetDisplayName
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_GetDisplayName(IMoniker* iface, IBindCtx* pbc,
IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName)
{
static const WCHAR back[]={'\\','.','.',0};
TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
if (ppszDisplayName==NULL)
return E_POINTER;
if (pmkToLeft!=NULL){
FIXME("() pmkToLeft!=NULL not implemented\n");
return E_NOTIMPL;
}
*ppszDisplayName=CoTaskMemAlloc(sizeof(back));
if (*ppszDisplayName==NULL)
return E_OUTOFMEMORY;
lstrcpyW(*ppszDisplayName,back);
return S_OK;
}
/******************************************************************************
* AntiMoniker_ParseDisplayName
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_ParseDisplayName(IMoniker* iface, IBindCtx* pbc,
IMoniker* pmkToLeft, LPOLESTR pszDisplayName,
ULONG* pchEaten, IMoniker** ppmkOut)
{
TRACE("(%p,%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pszDisplayName,pchEaten,ppmkOut);
return E_NOTIMPL;
}
/******************************************************************************
* AntiMoniker_IsSystemMoniker
******************************************************************************/
static HRESULT WINAPI
AntiMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
{
TRACE("(%p,%p)\n",iface,pwdMksys);
if (!pwdMksys)
return E_POINTER;
(*pwdMksys)=MKSYS_ANTIMONIKER;
return S_OK;
}
/*******************************************************************************
* AntiMonikerIROTData_QueryInterface
*******************************************************************************/
static HRESULT WINAPI
AntiMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,VOID** ppvObject)
{
AntiMonikerImpl *This = impl_from_IROTData(iface);
TRACE("(%p,%p,%p)\n",iface,riid,ppvObject);
return AntiMonikerImpl_QueryInterface(&This->IMoniker_iface, riid, ppvObject);
}
/***********************************************************************
* AntiMonikerIROTData_AddRef
*/
static ULONG WINAPI AntiMonikerROTDataImpl_AddRef(IROTData *iface)
{
AntiMonikerImpl *This = impl_from_IROTData(iface);
TRACE("(%p)\n",iface);
return AntiMonikerImpl_AddRef(&This->IMoniker_iface);
}
/***********************************************************************
* AntiMonikerIROTData_Release
*/
static ULONG WINAPI AntiMonikerROTDataImpl_Release(IROTData* iface)
{
AntiMonikerImpl *This = impl_from_IROTData(iface);
TRACE("(%p)\n",iface);
return AntiMonikerImpl_Release(&This->IMoniker_iface);
}
/******************************************************************************
* AntiMonikerIROTData_GetComparisonData
******************************************************************************/
static HRESULT WINAPI
AntiMonikerROTDataImpl_GetComparisonData(IROTData* iface, BYTE* pbData,
ULONG cbMax, ULONG* pcbData)
{
DWORD constant = 1;
TRACE("(%p, %u, %p)\n", pbData, cbMax, pcbData);
*pcbData = sizeof(CLSID) + sizeof(DWORD);
if (cbMax < *pcbData)
return E_OUTOFMEMORY;
memcpy(pbData, &CLSID_AntiMoniker, sizeof(CLSID));
memcpy(pbData+sizeof(CLSID), &constant, sizeof(DWORD));
return S_OK;
}
/********************************************************************************/
/* Virtual function table for the AntiMonikerImpl class which include IPersist,*/
/* IPersistStream and IMoniker functions. */
static const IMonikerVtbl VT_AntiMonikerImpl =
{
AntiMonikerImpl_QueryInterface,
AntiMonikerImpl_AddRef,
AntiMonikerImpl_Release,
AntiMonikerImpl_GetClassID,
AntiMonikerImpl_IsDirty,
AntiMonikerImpl_Load,
AntiMonikerImpl_Save,
AntiMonikerImpl_GetSizeMax,
AntiMonikerImpl_BindToObject,
AntiMonikerImpl_BindToStorage,
AntiMonikerImpl_Reduce,
AntiMonikerImpl_ComposeWith,
AntiMonikerImpl_Enum,
AntiMonikerImpl_IsEqual,
AntiMonikerImpl_Hash,
AntiMonikerImpl_IsRunning,
AntiMonikerImpl_GetTimeOfLastChange,
AntiMonikerImpl_Inverse,
AntiMonikerImpl_CommonPrefixWith,
AntiMonikerImpl_RelativePathTo,
AntiMonikerImpl_GetDisplayName,
AntiMonikerImpl_ParseDisplayName,
AntiMonikerImpl_IsSystemMoniker
};
/********************************************************************************/
/* Virtual function table for the IROTData class. */
static const IROTDataVtbl VT_ROTDataImpl =
{
AntiMonikerROTDataImpl_QueryInterface,
AntiMonikerROTDataImpl_AddRef,
AntiMonikerROTDataImpl_Release,
AntiMonikerROTDataImpl_GetComparisonData
};
/******************************************************************************
* AntiMoniker_Construct (local function)
*******************************************************************************/
static HRESULT AntiMonikerImpl_Construct(AntiMonikerImpl* This)
{
TRACE("(%p)\n",This);
/* Initialize the virtual function table. */
This->IMoniker_iface.lpVtbl = &VT_AntiMonikerImpl;
This->IROTData_iface.lpVtbl = &VT_ROTDataImpl;
This->ref = 0;
This->pMarshal = NULL;
return S_OK;
}
/******************************************************************************
* CreateAntiMoniker [OLE32.@]
******************************************************************************/
HRESULT WINAPI CreateAntiMoniker(IMoniker **ppmk)
{
AntiMonikerImpl* newAntiMoniker;
HRESULT hr;
TRACE("(%p)\n",ppmk);
newAntiMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(AntiMonikerImpl));
if (newAntiMoniker == 0)
return STG_E_INSUFFICIENTMEMORY;
hr = AntiMonikerImpl_Construct(newAntiMoniker);
if (FAILED(hr))
{
HeapFree(GetProcessHeap(),0,newAntiMoniker);
return hr;
}
return AntiMonikerImpl_QueryInterface(&newAntiMoniker->IMoniker_iface, &IID_IMoniker,
(void**)ppmk);
}
static HRESULT WINAPI AntiMonikerCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
{
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IClassFactory))
{
*ppv = iface;
IClassFactory_AddRef(iface);
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI AntiMonikerCF_AddRef(LPCLASSFACTORY iface)
{
return 2; /* non-heap based object */
}
static ULONG WINAPI AntiMonikerCF_Release(LPCLASSFACTORY iface)
{
return 1; /* non-heap based object */
}
static HRESULT WINAPI AntiMonikerCF_CreateInstance(LPCLASSFACTORY iface,
LPUNKNOWN pUnk, REFIID riid, LPVOID *ppv)
{
IMoniker *pMoniker;
HRESULT hr;
TRACE("(%p, %s, %p)\n", pUnk, debugstr_guid(riid), ppv);
*ppv = NULL;
if (pUnk)
return CLASS_E_NOAGGREGATION;
hr = CreateAntiMoniker(&pMoniker);
if (FAILED(hr))
return hr;
hr = IMoniker_QueryInterface(pMoniker, riid, ppv);
if (FAILED(hr))
IMoniker_Release(pMoniker);
return hr;
}
static HRESULT WINAPI AntiMonikerCF_LockServer(LPCLASSFACTORY iface, BOOL fLock)
{
FIXME("(%d), stub!\n",fLock);
return S_OK;
}
static const IClassFactoryVtbl AntiMonikerCFVtbl =
{
AntiMonikerCF_QueryInterface,
AntiMonikerCF_AddRef,
AntiMonikerCF_Release,
AntiMonikerCF_CreateInstance,
AntiMonikerCF_LockServer
};
static const IClassFactoryVtbl *AntiMonikerCF = &AntiMonikerCFVtbl;
HRESULT AntiMonikerCF_Create(REFIID riid, LPVOID *ppv)
{
return IClassFactory_QueryInterface((IClassFactory *)&AntiMonikerCF, riid, ppv);
}
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