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