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615 lines
19 KiB
C
615 lines
19 KiB
C
/*
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* Pointer Moniker Implementation
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*
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* Copyright 1999 Noomen Hamza
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* Copyright 2008 Robert Shearman (for CodeWeavers)
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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 <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 "winuser.h"
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#include "objbase.h"
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#include "oleidl.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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/* PointerMoniker data structure */
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typedef struct PointerMonikerImpl{
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IMoniker IMoniker_iface;
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LONG ref; /* reference counter for this object */
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IUnknown *pObject; /* custom marshaler */
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} PointerMonikerImpl;
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static inline PointerMonikerImpl *impl_from_IMoniker(IMoniker *iface)
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{
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return CONTAINING_RECORD(iface, PointerMonikerImpl, IMoniker_iface);
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}
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static HRESULT WINAPI
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PointerMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
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{
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PointerMonikerImpl *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 ( (This==0) || (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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/* 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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* PointerMoniker_AddRef
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******************************************************************************/
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static ULONG WINAPI
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PointerMonikerImpl_AddRef(IMoniker* iface)
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{
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PointerMonikerImpl *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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* PointerMoniker_Release
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******************************************************************************/
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static ULONG WINAPI
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PointerMonikerImpl_Release(IMoniker* iface)
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{
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PointerMonikerImpl *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 on it */
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if (ref == 0)
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{
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if (This->pObject) IUnknown_Release(This->pObject);
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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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* PointerMoniker_GetClassID
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_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_PointerMoniker;
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return S_OK;
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}
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/******************************************************************************
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* PointerMoniker_IsDirty
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_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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* PointerMoniker_Load
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_Load(IMoniker* iface,IStream* pStm)
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{
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TRACE("(%p)\n", pStm);
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return E_NOTIMPL;
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}
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/******************************************************************************
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* PointerMoniker_Save
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty)
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{
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TRACE("(%p, %d)\n", pStm, fClearDirty);
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return E_NOTIMPL;
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}
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/******************************************************************************
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* PointerMoniker_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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PointerMonikerImpl_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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pcbSize->u.LowPart = 0;
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pcbSize->u.HighPart = 0;
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return E_NOTIMPL;
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}
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/******************************************************************************
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* PointerMoniker_BindToObject
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_BindToObject(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
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REFIID riid, VOID** ppvResult)
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{
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PointerMonikerImpl *This = impl_from_IMoniker(iface);
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TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvResult);
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if (!This->pObject)
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return E_UNEXPECTED;
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return IUnknown_QueryInterface(This->pObject, riid, ppvResult);
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}
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/******************************************************************************
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* PointerMoniker_BindToStorage
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_BindToStorage(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
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REFIID riid, VOID** ppvResult)
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{
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PointerMonikerImpl *This = impl_from_IMoniker(iface);
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TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvResult);
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if (!This->pObject)
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return E_UNEXPECTED;
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return IUnknown_QueryInterface(This->pObject, riid, ppvResult);
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}
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/******************************************************************************
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* PointerMoniker_Reduce
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_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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PointerMonikerImpl_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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* PointerMoniker_ComposeWith
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_ComposeWith(IMoniker* iface, IMoniker* pmkRight,
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BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite)
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{
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HRESULT res=S_OK;
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DWORD mkSys,mkSys2;
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IEnumMoniker* penumMk=0;
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IMoniker *pmostLeftMk=0;
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IMoniker* tempMkComposite=0;
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TRACE("(%p,%d,%p)\n", 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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IMoniker_IsSystemMoniker(pmkRight,&mkSys);
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/* If pmkRight is an anti-moniker, the returned moniker is NULL */
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if(mkSys==MKSYS_ANTIMONIKER)
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return res;
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else
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/* if pmkRight is a composite whose leftmost component is an anti-moniker, */
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/* the returned moniker is the composite after the leftmost anti-moniker is removed. */
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if(mkSys==MKSYS_GENERICCOMPOSITE){
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res=IMoniker_Enum(pmkRight,TRUE,&penumMk);
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if (FAILED(res))
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return res;
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res=IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL);
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IMoniker_IsSystemMoniker(pmostLeftMk,&mkSys2);
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if(mkSys2==MKSYS_ANTIMONIKER){
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IMoniker_Release(pmostLeftMk);
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tempMkComposite=iface;
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IMoniker_AddRef(iface);
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while(IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL)==S_OK){
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res=CreateGenericComposite(tempMkComposite,pmostLeftMk,ppmkComposite);
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IMoniker_Release(tempMkComposite);
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IMoniker_Release(pmostLeftMk);
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tempMkComposite=*ppmkComposite;
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IMoniker_AddRef(tempMkComposite);
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}
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return res;
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}
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else
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return CreateGenericComposite(iface,pmkRight,ppmkComposite);
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}
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/* If pmkRight is not an anti-moniker, the method combines the two monikers into a generic
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composite if fOnlyIfNotGeneric is FALSE; if fOnlyIfNotGeneric is TRUE, the method returns
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a NULL moniker and a return value of MK_E_NEEDGENERIC */
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else
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if (!fOnlyIfNotGeneric)
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return CreateGenericComposite(iface,pmkRight,ppmkComposite);
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else
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return MK_E_NEEDGENERIC;
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}
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/******************************************************************************
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* PointerMoniker_Enum
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_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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* PointerMoniker_IsEqual
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
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{
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PointerMonikerImpl *This = impl_from_IMoniker(iface);
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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_POINTERMONIKER)
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{
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PointerMonikerImpl *pOtherMoniker = impl_from_IMoniker(pmkOtherMoniker);
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return This->pObject == pOtherMoniker->pObject ? S_OK : S_FALSE;
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}
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else
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return S_FALSE;
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}
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/******************************************************************************
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* PointerMoniker_Hash
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******************************************************************************/
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static HRESULT WINAPI PointerMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
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{
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PointerMonikerImpl *This = impl_from_IMoniker(iface);
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if (pdwHash==NULL)
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return E_POINTER;
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*pdwHash = PtrToUlong(This->pObject);
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return S_OK;
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}
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/******************************************************************************
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* PointerMoniker_IsRunning
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_IsRunning(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
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IMoniker* pmkNewlyRunning)
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{
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TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
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return S_OK;
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}
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/******************************************************************************
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* PointerMoniker_GetTimeOfLastChange
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******************************************************************************/
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static HRESULT WINAPI PointerMonikerImpl_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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* PointerMoniker_Inverse
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
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{
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TRACE("(%p,%p)\n",iface,ppmk);
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return CreateAntiMoniker(ppmk);
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}
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/******************************************************************************
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* PointerMoniker_CommonPrefixWith
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
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{
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TRACE("(%p, %p)\n", pmkOther, ppmkPrefix);
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*ppmkPrefix = NULL;
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if (PointerMonikerImpl_IsEqual(iface, pmkOther))
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{
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IMoniker_AddRef(iface);
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*ppmkPrefix=iface;
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return MK_S_US;
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}
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else
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return MK_E_NOPREFIX;
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}
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/******************************************************************************
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* PointerMoniker_RelativePathTo
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_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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*ppmkRelPath = NULL;
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return E_NOTIMPL;
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}
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/******************************************************************************
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* PointerMoniker_GetDisplayName
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_GetDisplayName(IMoniker* iface, IBindCtx* pbc,
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IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName)
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{
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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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*ppszDisplayName = NULL;
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return E_NOTIMPL;
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}
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/******************************************************************************
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* PointerMoniker_ParseDisplayName
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_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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PointerMonikerImpl *This = impl_from_IMoniker(iface);
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HRESULT hr;
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IParseDisplayName *pPDN;
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TRACE("(%p,%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pszDisplayName,pchEaten,ppmkOut);
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if (pmkToLeft)
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return MK_E_SYNTAX;
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if (!This->pObject)
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return E_UNEXPECTED;
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hr = IUnknown_QueryInterface(This->pObject, &IID_IParseDisplayName, (void **)&pPDN);
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if (FAILED(hr))
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return hr;
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hr = IParseDisplayName_ParseDisplayName(pPDN, pbc, pszDisplayName, pchEaten, ppmkOut);
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IParseDisplayName_Release(pPDN);
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return hr;
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}
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/******************************************************************************
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* PointerMoniker_IsSystemMoniker
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******************************************************************************/
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static HRESULT WINAPI
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PointerMonikerImpl_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_POINTERMONIKER;
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return S_OK;
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}
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/********************************************************************************/
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/* Virtual function table for the PointerMonikerImpl class which include IPersist,*/
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/* IPersistStream and IMoniker functions. */
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static const IMonikerVtbl VT_PointerMonikerImpl =
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{
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PointerMonikerImpl_QueryInterface,
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PointerMonikerImpl_AddRef,
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PointerMonikerImpl_Release,
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PointerMonikerImpl_GetClassID,
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PointerMonikerImpl_IsDirty,
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PointerMonikerImpl_Load,
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PointerMonikerImpl_Save,
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PointerMonikerImpl_GetSizeMax,
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PointerMonikerImpl_BindToObject,
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PointerMonikerImpl_BindToStorage,
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PointerMonikerImpl_Reduce,
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PointerMonikerImpl_ComposeWith,
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PointerMonikerImpl_Enum,
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PointerMonikerImpl_IsEqual,
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PointerMonikerImpl_Hash,
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PointerMonikerImpl_IsRunning,
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PointerMonikerImpl_GetTimeOfLastChange,
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PointerMonikerImpl_Inverse,
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PointerMonikerImpl_CommonPrefixWith,
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PointerMonikerImpl_RelativePathTo,
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PointerMonikerImpl_GetDisplayName,
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PointerMonikerImpl_ParseDisplayName,
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PointerMonikerImpl_IsSystemMoniker
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};
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/******************************************************************************
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* PointerMoniker_Construct (local function)
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*******************************************************************************/
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static void PointerMonikerImpl_Construct(PointerMonikerImpl* This, IUnknown *punk)
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{
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TRACE("(%p)\n",This);
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/* Initialize the virtual function table. */
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This->IMoniker_iface.lpVtbl = &VT_PointerMonikerImpl;
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This->ref = 1;
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if (punk)
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IUnknown_AddRef(punk);
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This->pObject = punk;
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}
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/***********************************************************************
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* CreatePointerMoniker (OLE32.@)
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*
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* Creates a moniker which represents a pointer.
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*
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* PARAMS
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* punk [I] Pointer to the object to represent.
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* ppmk [O] Address that receives the pointer to the created moniker.
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*
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* RETURNS
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* Success: S_OK.
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* Failure: Any HRESULT code.
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*/
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HRESULT WINAPI CreatePointerMoniker(LPUNKNOWN punk, LPMONIKER *ppmk)
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{
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PointerMonikerImpl *This;
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TRACE("(%p, %p)\n", punk, ppmk);
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if (!ppmk)
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return E_INVALIDARG;
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This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
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if (!This)
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{
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*ppmk = NULL;
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return E_OUTOFMEMORY;
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}
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PointerMonikerImpl_Construct(This, punk);
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*ppmk = &This->IMoniker_iface;
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return S_OK;
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}
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HRESULT WINAPI PointerMoniker_CreateInstance(IClassFactory *iface,
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IUnknown *pUnk, REFIID riid, void **ppv)
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{
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IMoniker *pMoniker;
|
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HRESULT hr;
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|
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TRACE("(%p, %s, %p)\n", pUnk, debugstr_guid(riid), ppv);
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*ppv = NULL;
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if (pUnk)
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return CLASS_E_NOAGGREGATION;
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|
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hr = CreatePointerMoniker(NULL, &pMoniker);
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if (FAILED(hr))
|
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return hr;
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|
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hr = IMoniker_QueryInterface(pMoniker, riid, ppv);
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|
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if (FAILED(hr))
|
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IMoniker_Release(pMoniker);
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|
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return hr;
|
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}
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