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Sweden-Number/dlls/ole32/filemoniker.c

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/*
* FileMonikers implementation
*
* Copyright 1999 Noomen Hamza
* Copyright 2007 Robert Shearman
*
* 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 "winnls.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "objbase.h"
#include "moniker.h"
#include "compobj_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
/* filemoniker data structure */
typedef struct FileMonikerImpl{
const IMonikerVtbl* lpvtbl1; /* VTable relative to the IMoniker interface.*/
/* The ROT (RunningObjectTable implementation) uses the IROTData interface to test whether
* two monikers are equal. That's whay IROTData interface is implemented by monikers.
*/
const IROTDataVtbl* lpvtbl2; /* VTable relative to the IROTData interface.*/
LONG ref; /* reference counter for this object */
LPOLESTR filePathName; /* path string identified by this filemoniker */
IUnknown *pMarshal; /* custom marshaler */
} FileMonikerImpl;
static inline IMoniker *impl_from_IROTData( IROTData *iface )
{
return (IMoniker *)((char*)iface - FIELD_OFFSET(FileMonikerImpl, lpvtbl2));
}
/* Local function used by filemoniker implementation */
static HRESULT WINAPI FileMonikerImpl_Construct(FileMonikerImpl* iface, LPCOLESTR lpszPathName);
static HRESULT WINAPI FileMonikerImpl_Destroy(FileMonikerImpl* iface);
/*******************************************************************************
* FileMoniker_QueryInterface
*/
static HRESULT WINAPI
FileMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
{
FileMonikerImpl *This = (FileMonikerImpl *)iface;
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
/* Perform a sanity check on the parameters.*/
if ( (This==0) || (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 = (IROTData*)&(This->lpvtbl2);
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;
/* Query Interface always increases the reference count by one when it is successful */
IMoniker_AddRef(iface);
return S_OK;
}
/******************************************************************************
* FileMoniker_AddRef
*/
static ULONG WINAPI
FileMonikerImpl_AddRef(IMoniker* iface)
{
FileMonikerImpl *This = (FileMonikerImpl *)iface;
TRACE("(%p)\n",iface);
return InterlockedIncrement(&This->ref);
}
/******************************************************************************
* FileMoniker_Release
*/
static ULONG WINAPI
FileMonikerImpl_Release(IMoniker* iface)
{
FileMonikerImpl *This = (FileMonikerImpl *)iface;
ULONG ref;
TRACE("(%p)\n",iface);
ref = InterlockedDecrement(&This->ref);
/* destroy the object if there's no more reference on it */
if (ref == 0) FileMonikerImpl_Destroy(This);
return ref;
}
/******************************************************************************
* FileMoniker_GetClassID
*/
static HRESULT WINAPI
FileMonikerImpl_GetClassID(IMoniker* iface, CLSID *pClassID)
{
TRACE("(%p,%p)\n",iface,pClassID);
if (pClassID==NULL)
return E_POINTER;
*pClassID = CLSID_FileMoniker;
return S_OK;
}
/******************************************************************************
* FileMoniker_IsDirty
*
* 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.
*/
static HRESULT WINAPI
FileMonikerImpl_IsDirty(IMoniker* iface)
{
TRACE("(%p)\n",iface);
return S_FALSE;
}
/******************************************************************************
* FileMoniker_Load
*
* this function locates and reads from the stream the filePath string
* written by FileMonikerImpl_Save
*/
static HRESULT WINAPI
FileMonikerImpl_Load(IMoniker* iface, IStream* pStm)
{
HRESULT res;
CHAR* filePathA = NULL;
WCHAR* filePathW = NULL;
ULONG bread;
WORD wbuffer;
DWORD dwbuffer, bytesA, bytesW, len;
int i;
FileMonikerImpl *This = (FileMonikerImpl *)iface;
TRACE("(%p,%p)\n",iface,pStm);
/* first WORD must be 0 */
res=IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
if (bread!=sizeof(WORD) || wbuffer!=0)
{
WARN("Couldn't read 0 word\n");
goto fail;
}
/* read filePath string length (plus one) */
res=IStream_Read(pStm,&bytesA,sizeof(DWORD),&bread);
if (bread != sizeof(DWORD))
{
WARN("Couldn't read file string length\n");
goto fail;
}
/* read filePath string */
filePathA=HeapAlloc(GetProcessHeap(),0,bytesA);
if (!filePathA)
{
res = E_OUTOFMEMORY;
goto fail;
}
res=IStream_Read(pStm,filePathA,bytesA,&bread);
if (bread != bytesA)
{
WARN("Couldn't read file path string\n");
goto fail;
}
/* read the first constant */
IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
if (bread != sizeof(DWORD) || dwbuffer != 0xDEADFFFF)
{
WARN("Couldn't read 0xDEADFFFF constant\n");
goto fail;
}
for(i=0;i<5;i++)
{
res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
if (bread!=sizeof(DWORD) || dwbuffer!=0)
{
WARN("Couldn't read 0 padding\n");
goto fail;
}
}
res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
if (bread!=sizeof(DWORD))
goto fail;
if (!dwbuffer) /* No W-string */
{
bytesA--;
len=MultiByteToWideChar(CP_ACP, MB_ERR_INVALID_CHARS, filePathA, bytesA, NULL, 0);
if (!len)
goto fail;
filePathW=HeapAlloc(GetProcessHeap(),0,(len+1)*sizeof(WCHAR));
if (!filePathW)
{
res = E_OUTOFMEMORY;
goto fail;
}
MultiByteToWideChar(CP_ACP, MB_ERR_INVALID_CHARS, filePathA, -1, filePathW, len+1);
goto succeed;
}
if (dwbuffer < 6)
goto fail;
bytesW=dwbuffer - 6;
res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
if (bread!=sizeof(DWORD) || dwbuffer!=bytesW)
goto fail;
res=IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
if (bread!=sizeof(WORD) || wbuffer!=0x3)
goto fail;
len=bytesW/sizeof(WCHAR);
filePathW=HeapAlloc(GetProcessHeap(),0,(len+1)*sizeof(WCHAR));
if(!filePathW)
{
res = E_OUTOFMEMORY;
goto fail;
}
res=IStream_Read(pStm,filePathW,bytesW,&bread);
if (bread!=bytesW)
goto fail;
filePathW[len]=0;
succeed:
HeapFree(GetProcessHeap(),0,filePathA);
HeapFree(GetProcessHeap(),0,This->filePathName);
This->filePathName=filePathW;
return S_OK;
fail:
HeapFree(GetProcessHeap(), 0, filePathA);
HeapFree(GetProcessHeap(), 0, filePathW);
if (SUCCEEDED(res))
res = E_FAIL;
return res;
}
/******************************************************************************
* FileMoniker_Save
*
* This function saves data of this object. In the beginning I thought
* that I have just to write the filePath string on Stream. But, when I
* tested this function with windows programs samples, I noticed that it
* was not the case. This implementation is based on XP SP2. Other versions
* of Windows have minor variations.
*
* Data which must be written on stream is:
* 1) WORD constant:zero
* 2) length of the path string ("\0" included)
* 3) path string type A
* 4) DWORD constant : 0xDEADFFFF
* 5) five DWORD constant: zero
* 6) If we're only writing the multibyte version,
* write a zero DWORD and finish.
*
* 7) DWORD: double-length of the the path string type W ("\0" not
* included)
* 8) WORD constant: 0x3
* 9) filePath unicode string.
*
*/
static HRESULT WINAPI
FileMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty)
{
FileMonikerImpl *This = (FileMonikerImpl *)iface;
HRESULT res;
LPOLESTR filePathW=This->filePathName;
CHAR* filePathA;
DWORD bytesA, bytesW, len;
static const DWORD DEADFFFF = 0xDEADFFFF; /* Constants */
static const DWORD ZERO = 0;
static const WORD THREE = 0x3;
int i;
BOOL bUsedDefault, bWriteWide;
TRACE("(%p,%p,%d)\n",iface,pStm,fClearDirty);
if (pStm==NULL)
return E_POINTER;
/* write a 0 WORD */
res=IStream_Write(pStm,&ZERO,sizeof(WORD),NULL);
if (!SUCCEEDED(res)) return res;
/* write length of filePath string ( 0 included )*/
bytesA = WideCharToMultiByte( CP_ACP, 0, filePathW, -1, NULL, 0, NULL, NULL );
res=IStream_Write(pStm,&bytesA,sizeof(DWORD),NULL);
if (!SUCCEEDED(res)) return res;
/* write A string (with '\0') */
filePathA=HeapAlloc(GetProcessHeap(),0,bytesA);
if (!filePathA)
return E_OUTOFMEMORY;
WideCharToMultiByte( CP_ACP, 0, filePathW, -1, filePathA, bytesA, NULL, &bUsedDefault);
res=IStream_Write(pStm,filePathA,bytesA,NULL);
HeapFree(GetProcessHeap(),0,filePathA);
if (!SUCCEEDED(res)) return res;
/* write a DWORD 0xDEADFFFF */
res=IStream_Write(pStm,&DEADFFFF,sizeof(DWORD),NULL);
if (!SUCCEEDED(res)) return res;
/* write 5 zero DWORDs */
for(i=0;i<5;i++)
{
res=IStream_Write(pStm,&ZERO,sizeof(DWORD),NULL);
if (!SUCCEEDED(res)) return res;
}
/* Write the wide version if:
* + couldn't convert to CP_ACP,
* or + it's a directory,
* or + there's a character > 0xFF
*/
len = lstrlenW(filePathW);
bWriteWide = (bUsedDefault || (len > 0 && filePathW[len-1]=='\\' ));
if (!bWriteWide)
{
WCHAR* pch;
for(pch=filePathW;*pch;++pch)
{
if (*pch > 0xFF)
{
bWriteWide = TRUE;
break;
}
}
}
if (!bWriteWide)
{
res=IStream_Write(pStm,&ZERO,sizeof(DWORD),NULL);
return res;
}
/* write bytes needed for the filepathW (without 0) + 6 */
bytesW = len*sizeof(WCHAR) + 6;
res=IStream_Write(pStm,&bytesW,sizeof(DWORD),NULL);
if (!SUCCEEDED(res)) return res;
/* try again, without the extra 6 */
bytesW -= 6;
res=IStream_Write(pStm,&bytesW,sizeof(DWORD),NULL);
if (!SUCCEEDED(res)) return res;
/* write a WORD 3 */
res=IStream_Write(pStm,&THREE,sizeof(WORD),NULL);
if (!SUCCEEDED(res)) return res;
/* write W string (no 0) */
res=IStream_Write(pStm,filePathW,bytesW,NULL);
return res;
}
/******************************************************************************
* FileMoniker_GetSizeMax
*/
static HRESULT WINAPI
FileMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize)
{
FileMonikerImpl *This = (FileMonikerImpl *)iface;
TRACE("(%p,%p)\n",iface,pcbSize);
if (!pcbSize)
return E_POINTER;
/* We could calculate exactly (see ...::Save()) but instead
* we'll make a quick over-estimate, like Windows (NT4, XP) does.
*/
pcbSize->u.LowPart = 0x38 + 4 * lstrlenW(This->filePathName);
pcbSize->u.HighPart = 0;
return S_OK;
}
/******************************************************************************
* FileMoniker_Destroy (local function)
*******************************************************************************/
HRESULT WINAPI FileMonikerImpl_Destroy(FileMonikerImpl* This)
{
TRACE("(%p)\n",This);
if (This->pMarshal) IUnknown_Release(This->pMarshal);
HeapFree(GetProcessHeap(),0,This->filePathName);
HeapFree(GetProcessHeap(),0,This);
return S_OK;
}
/******************************************************************************
* FileMoniker_BindToObject
*/
static HRESULT WINAPI
FileMonikerImpl_BindToObject(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
REFIID riid, VOID** ppvResult)
{
HRESULT res=E_FAIL;
CLSID clsID;
IUnknown* pObj=0;
IRunningObjectTable *prot=0;
IPersistFile *ppf=0;
IClassFactory *pcf=0;
IClassActivator *pca=0;
FileMonikerImpl *This = (FileMonikerImpl *)iface;
*ppvResult=0;
TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvResult);
if(pmkToLeft==NULL){
res=IBindCtx_GetRunningObjectTable(pbc,&prot);
if (SUCCEEDED(res)){
/* if the requested class was loaded before ! we don't need to reload it */
res = IRunningObjectTable_GetObject(prot,iface,&pObj);
if (res==S_FALSE){
/* first activation of this class */
res=GetClassFile(This->filePathName,&clsID);
if (SUCCEEDED(res)){
res=CoCreateInstance(&clsID,NULL,CLSCTX_ALL,&IID_IPersistFile,(void**)&ppf);
if (SUCCEEDED(res)){
res=IPersistFile_Load(ppf,This->filePathName,STGM_READ);
if (SUCCEEDED(res)){
pObj=(IUnknown*)ppf;
IUnknown_AddRef(pObj);
}
}
}
}
}
}
else{
res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IClassFactory,(void**)&pcf);
if (res==E_NOINTERFACE){
res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IClassActivator,(void**)&pca);
if (res==E_NOINTERFACE)
return MK_E_INTERMEDIATEINTERFACENOTSUPPORTED;
}
if (pcf!=NULL){
IClassFactory_CreateInstance(pcf,NULL,&IID_IPersistFile,(void**)&ppf);
res=IPersistFile_Load(ppf,This->filePathName,STGM_READ);
if (SUCCEEDED(res)){
pObj=(IUnknown*)ppf;
IUnknown_AddRef(pObj);
}
}
if (pca!=NULL){
FIXME("()\n");
/*res=GetClassFile(This->filePathName,&clsID);
if (SUCCEEDED(res)){
res=IClassActivator_GetClassObject(pca,&clsID,CLSCTX_ALL,0,&IID_IPersistFile,(void**)&ppf);
if (SUCCEEDED(res)){
pObj=(IUnknown*)ppf;
IUnknown_AddRef(pObj);
}
}*/
}
}
if (pObj!=NULL){
/* get the requested interface from the loaded class */
res= IUnknown_QueryInterface(pObj,riid,ppvResult);
IBindCtx_RegisterObjectBound(pbc,(IUnknown*)*ppvResult);
IUnknown_Release(pObj);
}
if (prot!=NULL)
IRunningObjectTable_Release(prot);
if (ppf!=NULL)
IPersistFile_Release(ppf);
if (pca!=NULL)
IClassActivator_Release(pca);
if (pcf!=NULL)
IClassFactory_Release(pcf);
return res;
}
/******************************************************************************
* FileMoniker_BindToStorage
*/
static HRESULT WINAPI
FileMonikerImpl_BindToStorage(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
REFIID riid, VOID** ppvObject)
{
LPOLESTR filePath=0;
IStorage *pstg=0;
HRESULT res;
TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvObject);
if (pmkToLeft==NULL){
if (IsEqualIID(&IID_IStorage, riid)){
/* get the file name */
IMoniker_GetDisplayName(iface,pbc,pmkToLeft,&filePath);
/* verifie if the file contains a storage object */
res=StgIsStorageFile(filePath);
if(res==S_OK){
res=StgOpenStorage(filePath,NULL,STGM_READWRITE|STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
if (SUCCEEDED(res)){
*ppvObject=pstg;
IStorage_AddRef(pstg);
return res;
}
}
CoTaskMemFree(filePath);
}
else
if ( (IsEqualIID(&IID_IStream, riid)) || (IsEqualIID(&IID_ILockBytes, riid)) )
return E_FAIL;
else
return E_NOINTERFACE;
}
else {
FIXME("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvObject);
return E_NOTIMPL;
}
return res;
}
/******************************************************************************
* FileMoniker_Reduce
******************************************************************************/
static HRESULT WINAPI
FileMonikerImpl_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;
IMoniker_AddRef(iface);
*ppmkReduced=iface;
return MK_S_REDUCED_TO_SELF;
}
/******************************************************************************
* FileMoniker_ComposeWith
*/
static HRESULT WINAPI
FileMonikerImpl_ComposeWith(IMoniker* iface, IMoniker* pmkRight,
BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite)
{
HRESULT res;
LPOLESTR str1=0,str2=0,*strDec1=0,*strDec2=0,newStr=0;
static const WCHAR twoPoint[]={'.','.',0};
static const WCHAR bkSlash[]={'\\',0};
IBindCtx *bind=0;
int i=0,j=0,lastIdx1=0,lastIdx2=0;
DWORD mkSys;
TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
if (ppmkComposite==NULL)
return E_POINTER;
if (pmkRight==NULL)
return E_INVALIDARG;
*ppmkComposite=0;
IMoniker_IsSystemMoniker(pmkRight,&mkSys);
/* check if we have two filemonikers to compose or not */
if(mkSys==MKSYS_FILEMONIKER){
CreateBindCtx(0,&bind);
IMoniker_GetDisplayName(iface,bind,NULL,&str1);
IMoniker_GetDisplayName(pmkRight,bind,NULL,&str2);
/* decompose pathnames of the two monikers : (to prepare the path merge operation ) */
lastIdx1=FileMonikerImpl_DecomposePath(str1,&strDec1)-1;
lastIdx2=FileMonikerImpl_DecomposePath(str2,&strDec2)-1;
if ((lastIdx1==-1 && lastIdx2>-1)||(lastIdx1==1 && lstrcmpW(strDec1[0],twoPoint)==0))
return MK_E_SYNTAX;
if(lstrcmpW(strDec1[lastIdx1],bkSlash)==0)
lastIdx1--;
/* for etch "..\" in the left of str2 remove the right element from str1 */
for(i=0; ( (lastIdx1>=0) && (strDec2[i]!=NULL) && (lstrcmpW(strDec2[i],twoPoint)==0) ) ;i+=2){
lastIdx1-=2;
}
/* the length of the composed path string is raised by the sum of the two paths lengths */
newStr=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(lstrlenW(str1)+lstrlenW(str2)+1));
if (newStr==NULL)
return E_OUTOFMEMORY;
/* new path is the concatenation of the rest of str1 and str2 */
for(*newStr=0,j=0;j<=lastIdx1;j++)
strcatW(newStr,strDec1[j]);
if ((strDec2[i]==NULL && lastIdx1>-1 && lastIdx2>-1) || lstrcmpW(strDec2[i],bkSlash)!=0)
strcatW(newStr,bkSlash);
for(j=i;j<=lastIdx2;j++)
strcatW(newStr,strDec2[j]);
/* create a new moniker with the new string */
res=CreateFileMoniker(newStr,ppmkComposite);
/* free all strings space memory used by this function */
HeapFree(GetProcessHeap(),0,newStr);
for(i=0; strDec1[i]!=NULL;i++)
CoTaskMemFree(strDec1[i]);
for(i=0; strDec2[i]!=NULL;i++)
CoTaskMemFree(strDec2[i]);
CoTaskMemFree(strDec1);
CoTaskMemFree(strDec2);
CoTaskMemFree(str1);
CoTaskMemFree(str2);
return res;
}
else if(mkSys==MKSYS_ANTIMONIKER){
*ppmkComposite=NULL;
return S_OK;
}
else if (fOnlyIfNotGeneric){
*ppmkComposite=NULL;
return MK_E_NEEDGENERIC;
}
else
return CreateGenericComposite(iface,pmkRight,ppmkComposite);
}
/******************************************************************************
* FileMoniker_Enum
*/
static HRESULT WINAPI
FileMonikerImpl_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;
}
/******************************************************************************
* FileMoniker_IsEqual
*/
static HRESULT WINAPI
FileMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
{
FileMonikerImpl *This = (FileMonikerImpl *)iface;
CLSID clsid;
LPOLESTR filePath;
IBindCtx* bind;
HRESULT res;
TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
if (pmkOtherMoniker==NULL)
return S_FALSE;
IMoniker_GetClassID(pmkOtherMoniker,&clsid);
if (!IsEqualCLSID(&clsid,&CLSID_FileMoniker))
return S_FALSE;
res = CreateBindCtx(0,&bind);
if (FAILED(res)) return res;
if (SUCCEEDED(IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&filePath))) {
int result = lstrcmpiW(filePath, This->filePathName);
CoTaskMemFree(filePath);
if ( result == 0 ) return S_OK;
}
return S_FALSE;
}
/******************************************************************************
* FileMoniker_Hash
*/
static HRESULT WINAPI
FileMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
{
FileMonikerImpl *This = (FileMonikerImpl *)iface;
int h = 0,i,skip,len;
int off = 0;
LPOLESTR val;
if (pdwHash==NULL)
return E_POINTER;
val = This->filePathName;
len = lstrlenW(val);
if (len < 16) {
for (i = len ; i > 0; i--) {
h = (h * 37) + val[off++];
}
} else {
/* only sample some characters */
skip = len / 8;
for (i = len ; i > 0; i -= skip, off += skip) {
h = (h * 39) + val[off];
}
}
*pdwHash=h;
return S_OK;
}
/******************************************************************************
* FileMoniker_IsRunning
*/
static HRESULT WINAPI
FileMonikerImpl_IsRunning(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
IMoniker* pmkNewlyRunning)
{
IRunningObjectTable* rot;
HRESULT res;
TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
if ( (pmkNewlyRunning!=NULL) && (IMoniker_IsEqual(pmkNewlyRunning,iface)==S_OK) )
return S_OK;
if (pbc==NULL)
return E_POINTER;
res=IBindCtx_GetRunningObjectTable(pbc,&rot);
if (FAILED(res))
return res;
res = IRunningObjectTable_IsRunning(rot,iface);
IRunningObjectTable_Release(rot);
return res;
}
/******************************************************************************
* FileMoniker_GetTimeOfLastChange
******************************************************************************/
static HRESULT WINAPI
FileMonikerImpl_GetTimeOfLastChange(IMoniker* iface, IBindCtx* pbc,
IMoniker* pmkToLeft, FILETIME* pFileTime)
{
FileMonikerImpl *This = (FileMonikerImpl *)iface;
IRunningObjectTable* rot;
HRESULT res;
WIN32_FILE_ATTRIBUTE_DATA info;
TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pFileTime);
if (pFileTime==NULL)
return E_POINTER;
if (pmkToLeft!=NULL)
return E_INVALIDARG;
res=IBindCtx_GetRunningObjectTable(pbc,&rot);
if (FAILED(res))
return res;
res= IRunningObjectTable_GetTimeOfLastChange(rot,iface,pFileTime);
if (FAILED(res)){ /* the moniker is not registered */
if (!GetFileAttributesExW(This->filePathName,GetFileExInfoStandard,&info))
return MK_E_NOOBJECT;
*pFileTime=info.ftLastWriteTime;
}
return S_OK;
}
/******************************************************************************
* FileMoniker_Inverse
*/
static HRESULT WINAPI
FileMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
{
TRACE("(%p,%p)\n",iface,ppmk);
return CreateAntiMoniker(ppmk);
}
/******************************************************************************
* FileMoniker_CommonPrefixWith
*/
static HRESULT WINAPI
FileMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
{
LPOLESTR pathThis,pathOther,*stringTable1,*stringTable2,commonPath;
IBindCtx *pbind;
DWORD mkSys;
ULONG nb1,nb2,i,sameIdx;
BOOL machimeNameCase=FALSE;
if (ppmkPrefix==NULL)
return E_POINTER;
if (pmkOther==NULL)
return E_INVALIDARG;
*ppmkPrefix=0;
/* check if we have the same type of moniker */
IMoniker_IsSystemMoniker(pmkOther,&mkSys);
if(mkSys==MKSYS_FILEMONIKER){
HRESULT ret;
CreateBindCtx(0,&pbind);
/* create a string based on common part of the two paths */
IMoniker_GetDisplayName(iface,pbind,NULL,&pathThis);
IMoniker_GetDisplayName(pmkOther,pbind,NULL,&pathOther);
nb1=FileMonikerImpl_DecomposePath(pathThis,&stringTable1);
nb2=FileMonikerImpl_DecomposePath(pathOther,&stringTable2);
if (nb1==0 || nb2==0)
return MK_E_NOPREFIX;
commonPath=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(min(lstrlenW(pathThis),lstrlenW(pathOther))+1));
*commonPath=0;
for(sameIdx=0; ( (stringTable1[sameIdx]!=NULL) &&
(stringTable2[sameIdx]!=NULL) &&
(lstrcmpiW(stringTable1[sameIdx],stringTable2[sameIdx])==0)); sameIdx++);
if (sameIdx > 1 && *stringTable1[0]=='\\' && *stringTable2[1]=='\\'){
machimeNameCase=TRUE;
for(i=2;i<sameIdx;i++)
if( (*stringTable1[i]=='\\') && (i+1 < sameIdx) && (*stringTable1[i+1]=='\\') ){
machimeNameCase=FALSE;
break;
}
}
if (machimeNameCase && *stringTable1[sameIdx-1]=='\\')
sameIdx--;
if (machimeNameCase && (sameIdx<=3) && (nb1 > 3 || nb2 > 3) )
ret = MK_E_NOPREFIX;
else
{
for(i=0;i<sameIdx;i++)
strcatW(commonPath,stringTable1[i]);
for(i=0;i<nb1;i++)
CoTaskMemFree(stringTable1[i]);
CoTaskMemFree(stringTable1);
for(i=0;i<nb2;i++)
CoTaskMemFree(stringTable2[i]);
CoTaskMemFree(stringTable2);
ret = CreateFileMoniker(commonPath,ppmkPrefix);
}
HeapFree(GetProcessHeap(),0,commonPath);
return ret;
}
else
return MonikerCommonPrefixWith(iface,pmkOther,ppmkPrefix);
}
/******************************************************************************
* DecomposePath (local function)
*/
int FileMonikerImpl_DecomposePath(LPCOLESTR str, LPOLESTR** stringTable)
{
static const WCHAR bSlash[] = {'\\',0};
WCHAR word[MAX_PATH];
int i=0,j,tabIndex=0;
LPOLESTR *strgtable ;
int len=lstrlenW(str);
TRACE("%s, %p\n", debugstr_w(str), *stringTable);
strgtable =CoTaskMemAlloc(len*sizeof(LPOLESTR));
if (strgtable==NULL)
return E_OUTOFMEMORY;
while(str[i]!=0){
if(str[i]==bSlash[0]){
strgtable[tabIndex]=CoTaskMemAlloc(2*sizeof(WCHAR));
if (strgtable[tabIndex]==NULL)
return E_OUTOFMEMORY;
strcpyW(strgtable[tabIndex++],bSlash);
i++;
}
else {
for(j=0; str[i]!=0 && str[i]!=bSlash[0] ; i++,j++)
word[j]=str[i];
word[j]=0;
strgtable[tabIndex]=CoTaskMemAlloc(sizeof(WCHAR)*(j+1));
if (strgtable[tabIndex]==NULL)
return E_OUTOFMEMORY;
strcpyW(strgtable[tabIndex++],word);
}
}
strgtable[tabIndex]=NULL;
*stringTable=strgtable;
return tabIndex;
}
/******************************************************************************
* FileMoniker_RelativePathTo
*/
static HRESULT WINAPI
FileMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
{
IBindCtx *bind;
HRESULT res;
LPOLESTR str1=0,str2=0,*tabStr1=0,*tabStr2=0,relPath=0;
DWORD len1=0,len2=0,sameIdx=0,j=0;
static const WCHAR back[] ={'.','.','\\',0};
TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
if (ppmkRelPath==NULL)
return E_POINTER;
if (pmOther==NULL)
return E_INVALIDARG;
res=CreateBindCtx(0,&bind);
if (FAILED(res))
return res;
res=IMoniker_GetDisplayName(iface,bind,NULL,&str1);
if (FAILED(res))
return res;
res=IMoniker_GetDisplayName(pmOther,bind,NULL,&str2);
if (FAILED(res))
return res;
len1=FileMonikerImpl_DecomposePath(str1,&tabStr1);
len2=FileMonikerImpl_DecomposePath(str2,&tabStr2);
if (FAILED(len1) || FAILED(len2))
return E_OUTOFMEMORY;
/* count the number of similar items from the begin of the two paths */
for(sameIdx=0; ( (tabStr1[sameIdx]!=NULL) &&
(tabStr2[sameIdx]!=NULL) &&
(lstrcmpiW(tabStr1[sameIdx],tabStr2[sameIdx])==0)); sameIdx++);
/* begin the construction of relativePath */
/* if the two paths have a consecutive similar item from the begin ! the relativePath will be composed */
/* by "..\\" in the begin */
relPath=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(1+lstrlenW(str1)+lstrlenW(str2)));
*relPath=0;
if (len2>0 && !(len1==1 && len2==1 && sameIdx==0))
for(j=sameIdx;(tabStr1[j] != NULL); j++)
if (*tabStr1[j]!='\\')
strcatW(relPath,back);
/* add items of the second path (similar items with the first path are not included) to the relativePath */
for(j=sameIdx;tabStr2[j]!=NULL;j++)
strcatW(relPath,tabStr2[j]);
res=CreateFileMoniker(relPath,ppmkRelPath);
for(j=0; tabStr1[j]!=NULL;j++)
CoTaskMemFree(tabStr1[j]);
for(j=0; tabStr2[j]!=NULL;j++)
CoTaskMemFree(tabStr2[j]);
CoTaskMemFree(tabStr1);
CoTaskMemFree(tabStr2);
CoTaskMemFree(str1);
CoTaskMemFree(str2);
HeapFree(GetProcessHeap(),0,relPath);
if (len1==0 || len2==0 || (len1==1 && len2==1 && sameIdx==0))
return MK_S_HIM;
return res;
}
/******************************************************************************
* FileMoniker_GetDisplayName
*/
static HRESULT WINAPI
FileMonikerImpl_GetDisplayName(IMoniker* iface, IBindCtx* pbc,
IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName)
{
FileMonikerImpl *This = (FileMonikerImpl *)iface;
int len=lstrlenW(This->filePathName);
TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
if (ppszDisplayName==NULL)
return E_POINTER;
if (pmkToLeft!=NULL)
return E_INVALIDARG;
*ppszDisplayName=CoTaskMemAlloc(sizeof(WCHAR)*(len+1));
if (*ppszDisplayName==NULL)
return E_OUTOFMEMORY;
strcpyW(*ppszDisplayName,This->filePathName);
TRACE("-- %s\n", debugstr_w(*ppszDisplayName));
return S_OK;
}
/******************************************************************************
* FileMoniker_ParseDisplayName
*/
static HRESULT WINAPI
FileMonikerImpl_ParseDisplayName(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
LPOLESTR pszDisplayName, ULONG* pchEaten, IMoniker** ppmkOut)
{
FIXME("(%p,%p,%p,%p,%p,%p),stub!\n",iface,pbc,pmkToLeft,pszDisplayName,pchEaten,ppmkOut);
return E_NOTIMPL;
}
/******************************************************************************
* FileMoniker_IsSystemMoniker
*/
static HRESULT WINAPI
FileMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
{
TRACE("(%p,%p)\n",iface,pwdMksys);
if (!pwdMksys)
return E_POINTER;
(*pwdMksys)=MKSYS_FILEMONIKER;
return S_OK;
}
/*******************************************************************************
* FileMonikerIROTData_QueryInterface
*/
static HRESULT WINAPI
FileMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,VOID** ppvObject)
{
IMoniker *This = impl_from_IROTData(iface);
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
return FileMonikerImpl_QueryInterface(This, riid, ppvObject);
}
/***********************************************************************
* FileMonikerIROTData_AddRef
*/
static ULONG WINAPI
FileMonikerROTDataImpl_AddRef(IROTData *iface)
{
IMoniker *This = impl_from_IROTData(iface);
TRACE("(%p)\n",This);
return IMoniker_AddRef(This);
}
/***********************************************************************
* FileMonikerIROTData_Release
*/
static ULONG WINAPI
FileMonikerROTDataImpl_Release(IROTData* iface)
{
IMoniker *This = impl_from_IROTData(iface);
TRACE("(%p)\n",This);
return FileMonikerImpl_Release(This);
}
/******************************************************************************
* FileMonikerIROTData_GetComparaisonData
*/
static HRESULT WINAPI
FileMonikerROTDataImpl_GetComparisonData(IROTData* iface, BYTE* pbData,
ULONG cbMax, ULONG* pcbData)
{
IMoniker *This = impl_from_IROTData(iface);
FileMonikerImpl *This1 = (FileMonikerImpl *)This;
int len = (strlenW(This1->filePathName)+1);
int i;
LPWSTR pszFileName;
TRACE("(%p, %u, %p)\n", pbData, cbMax, pcbData);
*pcbData = sizeof(CLSID) + len * sizeof(WCHAR);
if (cbMax < *pcbData)
return E_OUTOFMEMORY;
memcpy(pbData, &CLSID_FileMoniker, sizeof(CLSID));
pszFileName = (LPWSTR)(pbData+sizeof(CLSID));
for (i = 0; i < len; i++)
pszFileName[i] = toupperW(This1->filePathName[i]);
return S_OK;
}
/*
* Virtual function table for the FileMonikerImpl class which include IPersist,
* IPersistStream and IMoniker functions.
*/
static const IMonikerVtbl VT_FileMonikerImpl =
{
FileMonikerImpl_QueryInterface,
FileMonikerImpl_AddRef,
FileMonikerImpl_Release,
FileMonikerImpl_GetClassID,
FileMonikerImpl_IsDirty,
FileMonikerImpl_Load,
FileMonikerImpl_Save,
FileMonikerImpl_GetSizeMax,
FileMonikerImpl_BindToObject,
FileMonikerImpl_BindToStorage,
FileMonikerImpl_Reduce,
FileMonikerImpl_ComposeWith,
FileMonikerImpl_Enum,
FileMonikerImpl_IsEqual,
FileMonikerImpl_Hash,
FileMonikerImpl_IsRunning,
FileMonikerImpl_GetTimeOfLastChange,
FileMonikerImpl_Inverse,
FileMonikerImpl_CommonPrefixWith,
FileMonikerImpl_RelativePathTo,
FileMonikerImpl_GetDisplayName,
FileMonikerImpl_ParseDisplayName,
FileMonikerImpl_IsSystemMoniker
};
/* Virtual function table for the IROTData class. */
static const IROTDataVtbl VT_ROTDataImpl =
{
FileMonikerROTDataImpl_QueryInterface,
FileMonikerROTDataImpl_AddRef,
FileMonikerROTDataImpl_Release,
FileMonikerROTDataImpl_GetComparisonData
};
/******************************************************************************
* FileMoniker_Construct (local function)
*/
static HRESULT WINAPI
FileMonikerImpl_Construct(FileMonikerImpl* This, LPCOLESTR lpszPathName)
{
int nb=0,i;
int sizeStr=lstrlenW(lpszPathName);
LPOLESTR *tabStr=0;
static const WCHAR twoPoint[]={'.','.',0};
static const WCHAR bkSlash[]={'\\',0};
BYTE addBkSlash;
TRACE("(%p,%s)\n",This,debugstr_w(lpszPathName));
/* Initialize the virtual fgunction table. */
This->lpvtbl1 = &VT_FileMonikerImpl;
This->lpvtbl2 = &VT_ROTDataImpl;
This->ref = 0;
This->pMarshal = NULL;
This->filePathName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr+1));
if (This->filePathName==NULL)
return E_OUTOFMEMORY;
strcpyW(This->filePathName,lpszPathName);
nb=FileMonikerImpl_DecomposePath(This->filePathName,&tabStr);
if (nb > 0 ){
addBkSlash=1;
if (lstrcmpW(tabStr[0],twoPoint)!=0)
addBkSlash=0;
else
for(i=0;i<nb;i++){
if ( (lstrcmpW(tabStr[i],twoPoint)!=0) && (lstrcmpW(tabStr[i],bkSlash)!=0) ){
addBkSlash=0;
break;
}
else
if (lstrcmpW(tabStr[i],bkSlash)==0 && i<nb-1 && lstrcmpW(tabStr[i+1],bkSlash)==0){
*tabStr[i]=0;
sizeStr--;
addBkSlash=0;
break;
}
}
if (lstrcmpW(tabStr[nb-1],bkSlash)==0)
addBkSlash=0;
This->filePathName=HeapReAlloc(GetProcessHeap(),0,This->filePathName,(sizeStr+1)*sizeof(WCHAR));
*This->filePathName=0;
for(i=0;tabStr[i]!=NULL;i++)
strcatW(This->filePathName,tabStr[i]);
if (addBkSlash)
strcatW(This->filePathName,bkSlash);
}
for(i=0; tabStr[i]!=NULL;i++)
CoTaskMemFree(tabStr[i]);
CoTaskMemFree(tabStr);
return S_OK;
}
/******************************************************************************
* CreateFileMoniker (OLE32.@)
******************************************************************************/
HRESULT WINAPI CreateFileMoniker(LPCOLESTR lpszPathName, LPMONIKER * ppmk)
{
FileMonikerImpl* newFileMoniker;
HRESULT hr;
TRACE("(%s,%p)\n",debugstr_w(lpszPathName),ppmk);
if (!ppmk)
return E_POINTER;
if(!lpszPathName)
return MK_E_SYNTAX;
*ppmk=NULL;
newFileMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(FileMonikerImpl));
if (!newFileMoniker)
return E_OUTOFMEMORY;
hr = FileMonikerImpl_Construct(newFileMoniker,lpszPathName);
if (SUCCEEDED(hr))
hr = FileMonikerImpl_QueryInterface((IMoniker*)newFileMoniker,&IID_IMoniker,(void**)ppmk);
else
HeapFree(GetProcessHeap(),0,newFileMoniker);
return hr;
}
/* find a character from a set in reverse without the string having to be null-terminated */
static inline WCHAR *memrpbrkW(const WCHAR *ptr, size_t n, const WCHAR *accept)
{
const WCHAR *end, *ret = NULL;
for (end = ptr + n; ptr < end; ptr++) if (strchrW(accept, *ptr)) ret = ptr;
return (WCHAR *)ret;
}
HRESULT FileMoniker_CreateFromDisplayName(LPBC pbc, LPCOLESTR szDisplayName,
LPDWORD pchEaten, LPMONIKER *ppmk)
{
LPCWSTR end;
static const WCHAR wszSeparators[] = {':','\\','/','!',0};
for (end = szDisplayName + strlenW(szDisplayName);
end && (end != szDisplayName);
end = memrpbrkW(szDisplayName, end - szDisplayName, wszSeparators))
{
HRESULT hr;
IRunningObjectTable *rot;
IMoniker *file_moniker;
LPWSTR file_display_name;
LPWSTR full_path_name;
DWORD full_path_name_len;
int len = end - szDisplayName;
file_display_name = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
if (!file_display_name) return E_OUTOFMEMORY;
memcpy(file_display_name, szDisplayName, len * sizeof(WCHAR));
file_display_name[len] = '\0';
hr = CreateFileMoniker(file_display_name, &file_moniker);
if (FAILED(hr))
{
HeapFree(GetProcessHeap(), 0, file_display_name);
return hr;
}
hr = IBindCtx_GetRunningObjectTable(pbc, &rot);
if (FAILED(hr))
{
HeapFree(GetProcessHeap(), 0, file_display_name);
IMoniker_Release(file_moniker);
return hr;
}
hr = IRunningObjectTable_IsRunning(rot, file_moniker);
IRunningObjectTable_Release(rot);
if (FAILED(hr))
{
HeapFree(GetProcessHeap(), 0, file_display_name);
IMoniker_Release(file_moniker);
return hr;
}
if (hr == S_OK)
{
TRACE("found running file moniker for %s\n", debugstr_w(file_display_name));
*pchEaten = len;
*ppmk = file_moniker;
HeapFree(GetProcessHeap(), 0, file_display_name);
return S_OK;
}
full_path_name_len = GetFullPathNameW(file_display_name, 0, NULL, NULL);
if (!full_path_name_len)
{
HeapFree(GetProcessHeap(), 0, file_display_name);
IMoniker_Release(file_moniker);
return MK_E_SYNTAX;
}
full_path_name = HeapAlloc(GetProcessHeap(), 0, full_path_name_len * sizeof(WCHAR));
if (!full_path_name)
{
HeapFree(GetProcessHeap(), 0, file_display_name);
IMoniker_Release(file_moniker);
return E_OUTOFMEMORY;
}
GetFullPathNameW(file_display_name, full_path_name_len, full_path_name, NULL);
if (GetFileAttributesW(full_path_name) == INVALID_FILE_ATTRIBUTES)
TRACE("couldn't open file %s\n", debugstr_w(full_path_name));
else
{
TRACE("got file moniker for %s\n", debugstr_w(szDisplayName));
*pchEaten = len;
*ppmk = file_moniker;
HeapFree(GetProcessHeap(), 0, file_display_name);
HeapFree(GetProcessHeap(), 0, full_path_name);
return S_OK;
}
HeapFree(GetProcessHeap(), 0, file_display_name);
HeapFree(GetProcessHeap(), 0, full_path_name);
IMoniker_Release(file_moniker);
}
return MK_E_CANTOPENFILE;
}
static HRESULT WINAPI FileMonikerCF_QueryInterface(LPCLASSFACTORY iface,
REFIID riid, LPVOID *ppv)
{
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IClassFactory))
{
*ppv = iface;
IUnknown_AddRef(iface);
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI FileMonikerCF_AddRef(LPCLASSFACTORY iface)
{
return 2; /* non-heap based object */
}
static ULONG WINAPI FileMonikerCF_Release(LPCLASSFACTORY iface)
{
return 1; /* non-heap based object */
}
static HRESULT WINAPI FileMonikerCF_CreateInstance(LPCLASSFACTORY iface,
LPUNKNOWN pUnk, REFIID riid, LPVOID *ppv)
{
FileMonikerImpl* newFileMoniker;
HRESULT hr;
static const WCHAR wszEmpty[] = { 0 };
TRACE("(%p, %s, %p)\n", pUnk, debugstr_guid(riid), ppv);
*ppv = NULL;
if (pUnk)
return CLASS_E_NOAGGREGATION;
newFileMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(FileMonikerImpl));
if (!newFileMoniker)
return E_OUTOFMEMORY;
hr = FileMonikerImpl_Construct(newFileMoniker, wszEmpty);
if (SUCCEEDED(hr))
hr = FileMonikerImpl_QueryInterface((IMoniker*)newFileMoniker, riid, ppv);
if (FAILED(hr))
HeapFree(GetProcessHeap(),0,newFileMoniker);
return hr;
}
static HRESULT WINAPI FileMonikerCF_LockServer(LPCLASSFACTORY iface, BOOL fLock)
{
FIXME("(%d), stub!\n",fLock);
return S_OK;
}
static const IClassFactoryVtbl FileMonikerCFVtbl =
{
FileMonikerCF_QueryInterface,
FileMonikerCF_AddRef,
FileMonikerCF_Release,
FileMonikerCF_CreateInstance,
FileMonikerCF_LockServer
};
static const IClassFactoryVtbl *FileMonikerCF = &FileMonikerCFVtbl;
HRESULT FileMonikerCF_Create(REFIID riid, LPVOID *ppv)
{
return IClassFactory_QueryInterface((IClassFactory *)&FileMonikerCF, riid, ppv);
}
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