2 * FileMonikers implementation
4 * Copyright 1999 Noomen Hamza
5 * Copyright 2007 Robert Shearman
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 #define NONAMELESSUNION
28 #define NONAMELESSSTRUCT
34 #include "wine/unicode.h"
35 #include "wine/debug.h"
39 #include "compobj_private.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(ole);
43 /* filemoniker data structure */
44 typedef struct FileMonikerImpl{
46 const IMonikerVtbl* lpvtbl1; /* VTable relative to the IMoniker interface.*/
48 /* The ROT (RunningObjectTable implementation) uses the IROTData interface to test whether
49 * two monikers are equal. That's whay IROTData interface is implemented by monikers.
51 const IROTDataVtbl* lpvtbl2; /* VTable relative to the IROTData interface.*/
53 LONG ref; /* reference counter for this object */
55 LPOLESTR filePathName; /* path string identified by this filemoniker */
57 IUnknown *pMarshal; /* custom marshaler */
60 static inline IMoniker *impl_from_IROTData( IROTData *iface )
62 return (IMoniker *)((char*)iface - FIELD_OFFSET(FileMonikerImpl, lpvtbl2));
65 /* Local function used by filemoniker implementation */
66 static HRESULT FileMonikerImpl_Construct(FileMonikerImpl* iface, LPCOLESTR lpszPathName);
67 static HRESULT FileMonikerImpl_Destroy(FileMonikerImpl* iface);
69 /*******************************************************************************
70 * FileMoniker_QueryInterface
73 FileMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
75 FileMonikerImpl *This = (FileMonikerImpl *)iface;
77 TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
79 /* Perform a sanity check on the parameters.*/
80 if ( (This==0) || (ppvObject==0) )
83 /* Initialize the return parameter */
86 /* Compare the riid with the interface IDs implemented by this object.*/
87 if (IsEqualIID(&IID_IUnknown, riid) ||
88 IsEqualIID(&IID_IPersist, riid) ||
89 IsEqualIID(&IID_IPersistStream,riid) ||
90 IsEqualIID(&IID_IMoniker, riid)
94 else if (IsEqualIID(&IID_IROTData, riid))
95 *ppvObject = &This->lpvtbl2;
96 else if (IsEqualIID(&IID_IMarshal, riid))
100 hr = MonikerMarshal_Create(iface, &This->pMarshal);
103 return IUnknown_QueryInterface(This->pMarshal, riid, ppvObject);
106 /* Check that we obtained an interface.*/
108 return E_NOINTERFACE;
110 /* Query Interface always increases the reference count by one when it is successful */
111 IMoniker_AddRef(iface);
116 /******************************************************************************
120 FileMonikerImpl_AddRef(IMoniker* iface)
122 FileMonikerImpl *This = (FileMonikerImpl *)iface;
124 TRACE("(%p)\n",iface);
126 return InterlockedIncrement(&This->ref);
129 /******************************************************************************
130 * FileMoniker_Release
133 FileMonikerImpl_Release(IMoniker* iface)
135 FileMonikerImpl *This = (FileMonikerImpl *)iface;
138 TRACE("(%p)\n",iface);
140 ref = InterlockedDecrement(&This->ref);
142 /* destroy the object if there's no more reference on it */
143 if (ref == 0) FileMonikerImpl_Destroy(This);
148 /******************************************************************************
149 * FileMoniker_GetClassID
151 static HRESULT WINAPI
152 FileMonikerImpl_GetClassID(IMoniker* iface, CLSID *pClassID)
154 TRACE("(%p,%p)\n",iface,pClassID);
159 *pClassID = CLSID_FileMoniker;
164 /******************************************************************************
165 * FileMoniker_IsDirty
167 * Note that the OLE-provided implementations of the IPersistStream::IsDirty
168 * method in the OLE-provided moniker interfaces always return S_FALSE because
169 * their internal state never changes.
171 static HRESULT WINAPI
172 FileMonikerImpl_IsDirty(IMoniker* iface)
175 TRACE("(%p)\n",iface);
180 /******************************************************************************
183 * this function locates and reads from the stream the filePath string
184 * written by FileMonikerImpl_Save
186 static HRESULT WINAPI
187 FileMonikerImpl_Load(IMoniker* iface, IStream* pStm)
190 CHAR* filePathA = NULL;
191 WCHAR* filePathW = NULL;
194 DWORD dwbuffer, bytesA, bytesW, len;
197 FileMonikerImpl *This = (FileMonikerImpl *)iface;
199 TRACE("(%p,%p)\n",iface,pStm);
202 res=IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
203 if (bread!=sizeof(WORD))
205 WARN("Couldn't read 0 word\n");
209 /* read filePath string length (plus one) */
210 res=IStream_Read(pStm,&bytesA,sizeof(DWORD),&bread);
211 if (bread != sizeof(DWORD))
213 WARN("Couldn't read file string length\n");
217 /* read filePath string */
218 filePathA=HeapAlloc(GetProcessHeap(),0,bytesA);
225 res=IStream_Read(pStm,filePathA,bytesA,&bread);
228 WARN("Couldn't read file path string\n");
232 /* read the unknown value */
233 IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
234 if (bread != sizeof(WORD))
236 WARN("Couldn't read unknown value\n");
240 /* read the DEAD constant */
241 IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
242 if (bread != sizeof(WORD))
244 WARN("Couldn't read DEAD constant\n");
250 res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
251 if (bread!=sizeof(DWORD))
253 WARN("Couldn't read 0 padding\n");
258 res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
259 if (bread!=sizeof(DWORD))
262 if (!dwbuffer) /* No W-string */
265 len=MultiByteToWideChar(CP_ACP, MB_ERR_INVALID_CHARS, filePathA, bytesA, NULL, 0);
269 filePathW=HeapAlloc(GetProcessHeap(),0,(len+1)*sizeof(WCHAR));
275 MultiByteToWideChar(CP_ACP, MB_ERR_INVALID_CHARS, filePathA, -1, filePathW, len+1);
284 res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
285 if (bread!=sizeof(DWORD) || dwbuffer!=bytesW)
288 res=IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
289 if (bread!=sizeof(WORD) || wbuffer!=0x3)
292 len=bytesW/sizeof(WCHAR);
293 filePathW=HeapAlloc(GetProcessHeap(),0,(len+1)*sizeof(WCHAR));
299 res=IStream_Read(pStm,filePathW,bytesW,&bread);
306 HeapFree(GetProcessHeap(),0,filePathA);
307 HeapFree(GetProcessHeap(),0,This->filePathName);
308 This->filePathName=filePathW;
313 HeapFree(GetProcessHeap(), 0, filePathA);
314 HeapFree(GetProcessHeap(), 0, filePathW);
321 /******************************************************************************
324 * This function saves data of this object. In the beginning I thought
325 * that I have just to write the filePath string on Stream. But, when I
326 * tested this function with windows program samples, I noticed that it
327 * was not the case. This implementation is based on XP SP2. Other versions
328 * of Windows have minor variations.
330 * Data which must be written on stream is:
331 * 1) WORD constant: zero (not validated by Windows)
332 * 2) length of the path string ("\0" included)
333 * 3) path string type A
334 * 4) Unknown WORD value: Frequently 0xFFFF, but not always. If set very large,
335 * Windows returns E_OUTOFMEMORY
336 * 5) WORD Constant: 0xDEAD (not validated by Windows)
337 * 6) five DWORD constant: zero (not validated by Windows)
338 * 7) If we're only writing the multibyte version,
339 * write a zero DWORD and finish.
341 * 8) DWORD: double-length of the path string type W ("\0" not
343 * 9) WORD constant: 0x3
344 * 10) filePath unicode string.
347 static HRESULT WINAPI
348 FileMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty)
350 FileMonikerImpl *This = (FileMonikerImpl *)iface;
353 LPOLESTR filePathW=This->filePathName;
355 DWORD bytesA, bytesW, len;
357 static const WORD FFFF = 0xFFFF; /* Constants */
358 static const WORD DEAD = 0xDEAD;
359 static const DWORD ZERO = 0;
360 static const WORD THREE = 0x3;
363 BOOL bUsedDefault, bWriteWide;
365 TRACE("(%p,%p,%d)\n",iface,pStm,fClearDirty);
371 res=IStream_Write(pStm,&ZERO,sizeof(WORD),NULL);
372 if (FAILED(res)) return res;
374 /* write length of filePath string ( 0 included )*/
375 bytesA = WideCharToMultiByte( CP_ACP, 0, filePathW, -1, NULL, 0, NULL, NULL );
376 res=IStream_Write(pStm,&bytesA,sizeof(DWORD),NULL);
377 if (FAILED(res)) return res;
379 /* write A string (with '\0') */
380 filePathA=HeapAlloc(GetProcessHeap(),0,bytesA);
382 return E_OUTOFMEMORY;
383 WideCharToMultiByte( CP_ACP, 0, filePathW, -1, filePathA, bytesA, NULL, &bUsedDefault);
384 res=IStream_Write(pStm,filePathA,bytesA,NULL);
385 HeapFree(GetProcessHeap(),0,filePathA);
386 if (FAILED(res)) return res;
388 /* write a WORD 0xFFFF */
389 res=IStream_Write(pStm,&FFFF,sizeof(WORD),NULL);
390 if (FAILED(res)) return res;
392 /* write a WORD 0xDEAD */
393 res=IStream_Write(pStm,&DEAD,sizeof(WORD),NULL);
394 if (FAILED(res)) return res;
396 /* write 5 zero DWORDs */
399 res=IStream_Write(pStm,&ZERO,sizeof(DWORD),NULL);
400 if (FAILED(res)) return res;
403 /* Write the wide version if:
404 * + couldn't convert to CP_ACP,
405 * or + it's a directory,
406 * or + there's a character > 0xFF
408 len = lstrlenW(filePathW);
409 bWriteWide = (bUsedDefault || (len > 0 && filePathW[len-1]=='\\' ));
413 for(pch=filePathW;*pch;++pch)
425 res=IStream_Write(pStm,&ZERO,sizeof(DWORD),NULL);
429 /* write bytes needed for the filepathW (without 0) + 6 */
430 bytesW = len*sizeof(WCHAR) + 6;
431 res=IStream_Write(pStm,&bytesW,sizeof(DWORD),NULL);
432 if (FAILED(res)) return res;
434 /* try again, without the extra 6 */
436 res=IStream_Write(pStm,&bytesW,sizeof(DWORD),NULL);
437 if (FAILED(res)) return res;
440 res=IStream_Write(pStm,&THREE,sizeof(WORD),NULL);
441 if (FAILED(res)) return res;
443 /* write W string (no 0) */
444 res=IStream_Write(pStm,filePathW,bytesW,NULL);
449 /******************************************************************************
450 * FileMoniker_GetSizeMax
452 static HRESULT WINAPI
453 FileMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize)
455 FileMonikerImpl *This = (FileMonikerImpl *)iface;
457 TRACE("(%p,%p)\n",iface,pcbSize);
462 /* We could calculate exactly (see ...::Save()) but instead
463 * we'll make a quick over-estimate, like Windows (NT4, XP) does.
465 pcbSize->u.LowPart = 0x38 + 4 * lstrlenW(This->filePathName);
466 pcbSize->u.HighPart = 0;
471 /******************************************************************************
472 * FileMoniker_Destroy (local function)
473 *******************************************************************************/
474 HRESULT FileMonikerImpl_Destroy(FileMonikerImpl* This)
476 TRACE("(%p)\n",This);
478 if (This->pMarshal) IUnknown_Release(This->pMarshal);
479 HeapFree(GetProcessHeap(),0,This->filePathName);
480 HeapFree(GetProcessHeap(),0,This);
485 /******************************************************************************
486 * FileMoniker_BindToObject
488 static HRESULT WINAPI
489 FileMonikerImpl_BindToObject(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
490 REFIID riid, VOID** ppvResult)
495 IRunningObjectTable *prot=0;
497 IClassFactory *pcf=0;
498 IClassActivator *pca=0;
500 FileMonikerImpl *This = (FileMonikerImpl *)iface;
504 TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvResult);
508 res=IBindCtx_GetRunningObjectTable(pbc,&prot);
511 /* if the requested class was loaded before ! we don't need to reload it */
512 res = IRunningObjectTable_GetObject(prot,iface,&pObj);
515 /* first activation of this class */
516 res=GetClassFile(This->filePathName,&clsID);
519 res=CoCreateInstance(&clsID,NULL,CLSCTX_ALL,&IID_IPersistFile,(void**)&ppf);
522 res=IPersistFile_Load(ppf,This->filePathName,STGM_READ);
526 IUnknown_AddRef(pObj);
534 res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IClassFactory,(void**)&pcf);
536 if (res==E_NOINTERFACE){
538 res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IClassActivator,(void**)&pca);
540 if (res==E_NOINTERFACE)
541 return MK_E_INTERMEDIATEINTERFACENOTSUPPORTED;
545 IClassFactory_CreateInstance(pcf,NULL,&IID_IPersistFile,(void**)&ppf);
547 res=IPersistFile_Load(ppf,This->filePathName,STGM_READ);
552 IUnknown_AddRef(pObj);
559 /*res=GetClassFile(This->filePathName,&clsID);
563 res=IClassActivator_GetClassObject(pca,&clsID,CLSCTX_ALL,0,&IID_IPersistFile,(void**)&ppf);
568 IUnknown_AddRef(pObj);
575 /* get the requested interface from the loaded class */
576 res= IUnknown_QueryInterface(pObj,riid,ppvResult);
578 IBindCtx_RegisterObjectBound(pbc,*ppvResult);
580 IUnknown_Release(pObj);
584 IRunningObjectTable_Release(prot);
587 IPersistFile_Release(ppf);
590 IClassActivator_Release(pca);
593 IClassFactory_Release(pcf);
598 /******************************************************************************
599 * FileMoniker_BindToStorage
601 static HRESULT WINAPI
602 FileMonikerImpl_BindToStorage(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
603 REFIID riid, VOID** ppvObject)
609 TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvObject);
611 if (pmkToLeft==NULL){
613 if (IsEqualIID(&IID_IStorage, riid)){
615 /* get the file name */
616 IMoniker_GetDisplayName(iface,pbc,pmkToLeft,&filePath);
618 /* verify if the file contains a storage object */
619 res=StgIsStorageFile(filePath);
623 res=StgOpenStorage(filePath,NULL,STGM_READWRITE|STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
629 IStorage_AddRef(pstg);
634 CoTaskMemFree(filePath);
637 if ( (IsEqualIID(&IID_IStream, riid)) || (IsEqualIID(&IID_ILockBytes, riid)) )
640 return E_NOINTERFACE;
644 FIXME("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvObject);
651 /******************************************************************************
653 ******************************************************************************/
654 static HRESULT WINAPI
655 FileMonikerImpl_Reduce(IMoniker* iface, IBindCtx* pbc, DWORD dwReduceHowFar,
656 IMoniker** ppmkToLeft, IMoniker** ppmkReduced)
658 TRACE("(%p,%p,%d,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
660 if (ppmkReduced==NULL)
663 IMoniker_AddRef(iface);
667 return MK_S_REDUCED_TO_SELF;
670 /******************************************************************************
671 * FileMoniker_ComposeWith
673 static HRESULT WINAPI
674 FileMonikerImpl_ComposeWith(IMoniker* iface, IMoniker* pmkRight,
675 BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite)
678 LPOLESTR str1=0,str2=0,*strDec1=0,*strDec2=0,newStr=0;
679 static const WCHAR twoPoint[]={'.','.',0};
680 static const WCHAR bkSlash[]={'\\',0};
682 int i=0,j=0,lastIdx1=0,lastIdx2=0;
685 TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
687 if (ppmkComposite==NULL)
695 IMoniker_IsSystemMoniker(pmkRight,&mkSys);
697 /* check if we have two FileMonikers to compose or not */
698 if(mkSys==MKSYS_FILEMONIKER){
700 CreateBindCtx(0,&bind);
702 IMoniker_GetDisplayName(iface,bind,NULL,&str1);
703 IMoniker_GetDisplayName(pmkRight,bind,NULL,&str2);
705 /* decompose pathnames of the two monikers : (to prepare the path merge operation ) */
706 lastIdx1=FileMonikerImpl_DecomposePath(str1,&strDec1)-1;
707 lastIdx2=FileMonikerImpl_DecomposePath(str2,&strDec2)-1;
709 if ((lastIdx1==-1 && lastIdx2>-1)||(lastIdx1==1 && lstrcmpW(strDec1[0],twoPoint)==0))
712 if(lstrcmpW(strDec1[lastIdx1],bkSlash)==0)
715 /* for etch "..\" in the left of str2 remove the right element from str1 */
716 for(i=0; ( (lastIdx1>=0) && (strDec2[i]!=NULL) && (lstrcmpW(strDec2[i],twoPoint)==0) ) ;i+=2){
721 /* the length of the composed path string is raised by the sum of the two paths lengths */
722 newStr=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(lstrlenW(str1)+lstrlenW(str2)+1));
725 return E_OUTOFMEMORY;
727 /* new path is the concatenation of the rest of str1 and str2 */
728 for(*newStr=0,j=0;j<=lastIdx1;j++)
729 strcatW(newStr,strDec1[j]);
731 if ((strDec2[i]==NULL && lastIdx1>-1 && lastIdx2>-1) || lstrcmpW(strDec2[i],bkSlash)!=0)
732 strcatW(newStr,bkSlash);
734 for(j=i;j<=lastIdx2;j++)
735 strcatW(newStr,strDec2[j]);
737 /* create a new moniker with the new string */
738 res=CreateFileMoniker(newStr,ppmkComposite);
740 /* free all strings space memory used by this function */
741 HeapFree(GetProcessHeap(),0,newStr);
743 for(i=0; strDec1[i]!=NULL;i++)
744 CoTaskMemFree(strDec1[i]);
745 for(i=0; strDec2[i]!=NULL;i++)
746 CoTaskMemFree(strDec2[i]);
747 CoTaskMemFree(strDec1);
748 CoTaskMemFree(strDec2);
755 else if(mkSys==MKSYS_ANTIMONIKER){
760 else if (fOnlyIfNotGeneric){
763 return MK_E_NEEDGENERIC;
767 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
770 /******************************************************************************
773 static HRESULT WINAPI
774 FileMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
776 TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
778 if (ppenumMoniker == NULL)
781 *ppenumMoniker = NULL;
786 /******************************************************************************
787 * FileMoniker_IsEqual
789 static HRESULT WINAPI
790 FileMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
792 FileMonikerImpl *This = (FileMonikerImpl *)iface;
798 TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
800 if (pmkOtherMoniker==NULL)
803 IMoniker_GetClassID(pmkOtherMoniker,&clsid);
805 if (!IsEqualCLSID(&clsid,&CLSID_FileMoniker))
808 res = CreateBindCtx(0,&bind);
809 if (FAILED(res)) return res;
812 if (SUCCEEDED(IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&filePath))) {
813 if (!lstrcmpiW(filePath, This->filePathName))
815 CoTaskMemFree(filePath);
818 IBindCtx_Release(bind);
822 /******************************************************************************
825 static HRESULT WINAPI
826 FileMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
828 FileMonikerImpl *This = (FileMonikerImpl *)iface;
830 int h = 0,i,skip,len;
837 val = This->filePathName;
841 for (i = len ; i > 0; i--) {
842 h = (h * 37) + val[off++];
845 /* only sample some characters */
847 for (i = len ; i > 0; i -= skip, off += skip) {
848 h = (h * 39) + val[off];
857 /******************************************************************************
858 * FileMoniker_IsRunning
860 static HRESULT WINAPI
861 FileMonikerImpl_IsRunning(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
862 IMoniker* pmkNewlyRunning)
864 IRunningObjectTable* rot;
867 TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
869 if ( (pmkNewlyRunning!=NULL) && (IMoniker_IsEqual(pmkNewlyRunning,iface)==S_OK) )
875 res=IBindCtx_GetRunningObjectTable(pbc,&rot);
880 res = IRunningObjectTable_IsRunning(rot,iface);
882 IRunningObjectTable_Release(rot);
887 /******************************************************************************
888 * FileMoniker_GetTimeOfLastChange
889 ******************************************************************************/
890 static HRESULT WINAPI
891 FileMonikerImpl_GetTimeOfLastChange(IMoniker* iface, IBindCtx* pbc,
892 IMoniker* pmkToLeft, FILETIME* pFileTime)
894 FileMonikerImpl *This = (FileMonikerImpl *)iface;
895 IRunningObjectTable* rot;
897 WIN32_FILE_ATTRIBUTE_DATA info;
899 TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pFileTime);
907 res=IBindCtx_GetRunningObjectTable(pbc,&rot);
912 res= IRunningObjectTable_GetTimeOfLastChange(rot,iface,pFileTime);
914 if (FAILED(res)){ /* the moniker is not registered */
916 if (!GetFileAttributesExW(This->filePathName,GetFileExInfoStandard,&info))
917 return MK_E_NOOBJECT;
919 *pFileTime=info.ftLastWriteTime;
925 /******************************************************************************
926 * FileMoniker_Inverse
928 static HRESULT WINAPI
929 FileMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
931 TRACE("(%p,%p)\n",iface,ppmk);
933 return CreateAntiMoniker(ppmk);
936 /******************************************************************************
937 * FileMoniker_CommonPrefixWith
939 static HRESULT WINAPI
940 FileMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
943 LPOLESTR pathThis,pathOther,*stringTable1,*stringTable2,commonPath;
946 ULONG nb1,nb2,i,sameIdx;
947 BOOL machimeNameCase=FALSE;
949 if (ppmkPrefix==NULL)
957 /* check if we have the same type of moniker */
958 IMoniker_IsSystemMoniker(pmkOther,&mkSys);
960 if(mkSys==MKSYS_FILEMONIKER){
963 ret = CreateBindCtx(0,&pbind);
967 /* create a string based on common part of the two paths */
969 ret = IMoniker_GetDisplayName(iface,pbind,NULL,&pathThis);
972 ret = IMoniker_GetDisplayName(pmkOther,pbind,NULL,&pathOther);
976 nb1=FileMonikerImpl_DecomposePath(pathThis,&stringTable1);
979 nb2=FileMonikerImpl_DecomposePath(pathOther,&stringTable2);
983 if (nb1==0 || nb2==0)
984 return MK_E_NOPREFIX;
986 commonPath=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(min(lstrlenW(pathThis),lstrlenW(pathOther))+1));
988 return E_OUTOFMEMORY;
992 for(sameIdx=0; ( (stringTable1[sameIdx]!=NULL) &&
993 (stringTable2[sameIdx]!=NULL) &&
994 (lstrcmpiW(stringTable1[sameIdx],stringTable2[sameIdx])==0)); sameIdx++);
996 if (sameIdx > 1 && *stringTable1[0]=='\\' && *stringTable2[1]=='\\'){
998 machimeNameCase=TRUE;
1000 for(i=2;i<sameIdx;i++)
1002 if( (*stringTable1[i]=='\\') && (i+1 < sameIdx) && (*stringTable1[i+1]=='\\') ){
1003 machimeNameCase=FALSE;
1008 if (machimeNameCase && *stringTable1[sameIdx-1]=='\\')
1011 if (machimeNameCase && (sameIdx<=3) && (nb1 > 3 || nb2 > 3) )
1012 ret = MK_E_NOPREFIX;
1015 for(i=0;i<sameIdx;i++)
1016 strcatW(commonPath,stringTable1[i]);
1019 CoTaskMemFree(stringTable1[i]);
1021 CoTaskMemFree(stringTable1);
1024 CoTaskMemFree(stringTable2[i]);
1026 CoTaskMemFree(stringTable2);
1028 ret = CreateFileMoniker(commonPath,ppmkPrefix);
1030 HeapFree(GetProcessHeap(),0,commonPath);
1034 return MonikerCommonPrefixWith(iface,pmkOther,ppmkPrefix);
1037 /******************************************************************************
1038 * DecomposePath (local function)
1040 int FileMonikerImpl_DecomposePath(LPCOLESTR str, LPOLESTR** stringTable)
1042 static const WCHAR bSlash[] = {'\\',0};
1044 int i=0,j,tabIndex=0, ret=0;
1045 LPOLESTR *strgtable ;
1047 int len=lstrlenW(str);
1049 TRACE("%s, %p\n", debugstr_w(str), *stringTable);
1051 strgtable = CoTaskMemAlloc((len + 1)*sizeof(*strgtable));
1053 if (strgtable==NULL)
1054 return E_OUTOFMEMORY;
1056 word = CoTaskMemAlloc((len + 1)*sizeof(WCHAR));
1060 ret = E_OUTOFMEMORY;
1066 if(str[i]==bSlash[0]){
1068 strgtable[tabIndex]=CoTaskMemAlloc(2*sizeof(WCHAR));
1070 if (strgtable[tabIndex]==NULL)
1072 ret = E_OUTOFMEMORY;
1076 strcpyW(strgtable[tabIndex++],bSlash);
1083 for(j=0; str[i]!=0 && str[i]!=bSlash[0] ; i++,j++)
1088 strgtable[tabIndex]=CoTaskMemAlloc(sizeof(WCHAR)*(j+1));
1090 if (strgtable[tabIndex]==NULL)
1092 ret = E_OUTOFMEMORY;
1096 strcpyW(strgtable[tabIndex++],word);
1099 strgtable[tabIndex]=NULL;
1101 *stringTable=strgtable;
1108 for (i = 0; i < tabIndex; i++)
1109 CoTaskMemFree(strgtable[i]);
1111 CoTaskMemFree(strgtable);
1115 CoTaskMemFree(word);
1120 /******************************************************************************
1121 * FileMoniker_RelativePathTo
1123 static HRESULT WINAPI
1124 FileMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
1128 LPOLESTR str1=0,str2=0,*tabStr1=0,*tabStr2=0,relPath=0;
1129 DWORD len1=0,len2=0,sameIdx=0,j=0;
1130 static const WCHAR back[] ={'.','.','\\',0};
1132 TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
1134 if (ppmkRelPath==NULL)
1138 return E_INVALIDARG;
1140 res=CreateBindCtx(0,&bind);
1144 res=IMoniker_GetDisplayName(iface,bind,NULL,&str1);
1147 res=IMoniker_GetDisplayName(pmOther,bind,NULL,&str2);
1151 len1=FileMonikerImpl_DecomposePath(str1,&tabStr1);
1152 len2=FileMonikerImpl_DecomposePath(str2,&tabStr2);
1154 if (FAILED(len1) || FAILED(len2))
1155 return E_OUTOFMEMORY;
1157 /* count the number of similar items from the begin of the two paths */
1158 for(sameIdx=0; ( (tabStr1[sameIdx]!=NULL) &&
1159 (tabStr2[sameIdx]!=NULL) &&
1160 (lstrcmpiW(tabStr1[sameIdx],tabStr2[sameIdx])==0)); sameIdx++);
1162 /* begin the construction of relativePath */
1163 /* if the two paths have a consecutive similar item from the begin ! the relativePath will be composed */
1164 /* by "..\\" in the begin */
1165 relPath=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(1+lstrlenW(str1)+lstrlenW(str2)));
1169 if (len2>0 && !(len1==1 && len2==1 && sameIdx==0))
1170 for(j=sameIdx;(tabStr1[j] != NULL); j++)
1171 if (*tabStr1[j]!='\\')
1172 strcatW(relPath,back);
1174 /* add items of the second path (similar items with the first path are not included) to the relativePath */
1175 for(j=sameIdx;tabStr2[j]!=NULL;j++)
1176 strcatW(relPath,tabStr2[j]);
1178 res=CreateFileMoniker(relPath,ppmkRelPath);
1180 for(j=0; tabStr1[j]!=NULL;j++)
1181 CoTaskMemFree(tabStr1[j]);
1182 for(j=0; tabStr2[j]!=NULL;j++)
1183 CoTaskMemFree(tabStr2[j]);
1184 CoTaskMemFree(tabStr1);
1185 CoTaskMemFree(tabStr2);
1186 CoTaskMemFree(str1);
1187 CoTaskMemFree(str2);
1188 HeapFree(GetProcessHeap(),0,relPath);
1190 if (len1==0 || len2==0 || (len1==1 && len2==1 && sameIdx==0))
1196 /******************************************************************************
1197 * FileMoniker_GetDisplayName
1199 static HRESULT WINAPI
1200 FileMonikerImpl_GetDisplayName(IMoniker* iface, IBindCtx* pbc,
1201 IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName)
1203 FileMonikerImpl *This = (FileMonikerImpl *)iface;
1205 int len=lstrlenW(This->filePathName);
1207 TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
1209 if (ppszDisplayName==NULL)
1212 if (pmkToLeft!=NULL)
1213 return E_INVALIDARG;
1215 *ppszDisplayName=CoTaskMemAlloc(sizeof(WCHAR)*(len+1));
1216 if (*ppszDisplayName==NULL)
1217 return E_OUTOFMEMORY;
1219 strcpyW(*ppszDisplayName,This->filePathName);
1221 TRACE("-- %s\n", debugstr_w(*ppszDisplayName));
1226 /******************************************************************************
1227 * FileMoniker_ParseDisplayName
1229 static HRESULT WINAPI
1230 FileMonikerImpl_ParseDisplayName(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
1231 LPOLESTR pszDisplayName, ULONG* pchEaten, IMoniker** ppmkOut)
1233 FIXME("(%p,%p,%p,%p,%p,%p),stub!\n",iface,pbc,pmkToLeft,pszDisplayName,pchEaten,ppmkOut);
1237 /******************************************************************************
1238 * FileMoniker_IsSystemMoniker
1240 static HRESULT WINAPI
1241 FileMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
1243 TRACE("(%p,%p)\n",iface,pwdMksys);
1248 (*pwdMksys)=MKSYS_FILEMONIKER;
1253 /*******************************************************************************
1254 * FileMonikerIROTData_QueryInterface
1256 static HRESULT WINAPI
1257 FileMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,VOID** ppvObject)
1260 IMoniker *This = impl_from_IROTData(iface);
1262 TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
1264 return FileMonikerImpl_QueryInterface(This, riid, ppvObject);
1267 /***********************************************************************
1268 * FileMonikerIROTData_AddRef
1271 FileMonikerROTDataImpl_AddRef(IROTData *iface)
1273 IMoniker *This = impl_from_IROTData(iface);
1275 TRACE("(%p)\n",This);
1277 return IMoniker_AddRef(This);
1280 /***********************************************************************
1281 * FileMonikerIROTData_Release
1284 FileMonikerROTDataImpl_Release(IROTData* iface)
1286 IMoniker *This = impl_from_IROTData(iface);
1288 TRACE("(%p)\n",This);
1290 return FileMonikerImpl_Release(This);
1293 /******************************************************************************
1294 * FileMonikerIROTData_GetComparisonData
1296 static HRESULT WINAPI
1297 FileMonikerROTDataImpl_GetComparisonData(IROTData* iface, BYTE* pbData,
1298 ULONG cbMax, ULONG* pcbData)
1300 IMoniker *This = impl_from_IROTData(iface);
1301 FileMonikerImpl *This1 = (FileMonikerImpl *)This;
1302 int len = (strlenW(This1->filePathName)+1);
1306 TRACE("(%p, %u, %p)\n", pbData, cbMax, pcbData);
1308 *pcbData = sizeof(CLSID) + len * sizeof(WCHAR);
1309 if (cbMax < *pcbData)
1310 return E_OUTOFMEMORY;
1312 memcpy(pbData, &CLSID_FileMoniker, sizeof(CLSID));
1313 pszFileName = (LPWSTR)(pbData+sizeof(CLSID));
1314 for (i = 0; i < len; i++)
1315 pszFileName[i] = toupperW(This1->filePathName[i]);
1321 * Virtual function table for the FileMonikerImpl class which include IPersist,
1322 * IPersistStream and IMoniker functions.
1324 static const IMonikerVtbl VT_FileMonikerImpl =
1326 FileMonikerImpl_QueryInterface,
1327 FileMonikerImpl_AddRef,
1328 FileMonikerImpl_Release,
1329 FileMonikerImpl_GetClassID,
1330 FileMonikerImpl_IsDirty,
1331 FileMonikerImpl_Load,
1332 FileMonikerImpl_Save,
1333 FileMonikerImpl_GetSizeMax,
1334 FileMonikerImpl_BindToObject,
1335 FileMonikerImpl_BindToStorage,
1336 FileMonikerImpl_Reduce,
1337 FileMonikerImpl_ComposeWith,
1338 FileMonikerImpl_Enum,
1339 FileMonikerImpl_IsEqual,
1340 FileMonikerImpl_Hash,
1341 FileMonikerImpl_IsRunning,
1342 FileMonikerImpl_GetTimeOfLastChange,
1343 FileMonikerImpl_Inverse,
1344 FileMonikerImpl_CommonPrefixWith,
1345 FileMonikerImpl_RelativePathTo,
1346 FileMonikerImpl_GetDisplayName,
1347 FileMonikerImpl_ParseDisplayName,
1348 FileMonikerImpl_IsSystemMoniker
1351 /* Virtual function table for the IROTData class. */
1352 static const IROTDataVtbl VT_ROTDataImpl =
1354 FileMonikerROTDataImpl_QueryInterface,
1355 FileMonikerROTDataImpl_AddRef,
1356 FileMonikerROTDataImpl_Release,
1357 FileMonikerROTDataImpl_GetComparisonData
1360 /******************************************************************************
1361 * FileMoniker_Construct (local function)
1363 static HRESULT FileMonikerImpl_Construct(FileMonikerImpl* This, LPCOLESTR lpszPathName)
1366 int sizeStr=lstrlenW(lpszPathName);
1368 static const WCHAR twoPoint[]={'.','.',0};
1369 static const WCHAR bkSlash[]={'\\',0};
1372 TRACE("(%p,%s)\n",This,debugstr_w(lpszPathName));
1374 /* Initialize the virtual function table. */
1375 This->lpvtbl1 = &VT_FileMonikerImpl;
1376 This->lpvtbl2 = &VT_ROTDataImpl;
1378 This->pMarshal = NULL;
1380 This->filePathName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr+1));
1382 if (This->filePathName==NULL)
1383 return E_OUTOFMEMORY;
1385 strcpyW(This->filePathName,lpszPathName);
1387 nb=FileMonikerImpl_DecomposePath(This->filePathName,&tabStr);
1392 if (lstrcmpW(tabStr[0],twoPoint)!=0)
1397 if ( (lstrcmpW(tabStr[i],twoPoint)!=0) && (lstrcmpW(tabStr[i],bkSlash)!=0) ){
1403 if (lstrcmpW(tabStr[i],bkSlash)==0 && i<nb-1 && lstrcmpW(tabStr[i+1],bkSlash)==0){
1411 if (lstrcmpW(tabStr[nb-1],bkSlash)==0)
1414 This->filePathName=HeapReAlloc(GetProcessHeap(),0,This->filePathName,(sizeStr+1)*sizeof(WCHAR));
1416 *This->filePathName=0;
1418 for(i=0;tabStr[i]!=NULL;i++)
1419 strcatW(This->filePathName,tabStr[i]);
1422 strcatW(This->filePathName,bkSlash);
1425 for(i=0; tabStr[i]!=NULL;i++)
1426 CoTaskMemFree(tabStr[i]);
1427 CoTaskMemFree(tabStr);
1432 /******************************************************************************
1433 * CreateFileMoniker (OLE32.@)
1434 ******************************************************************************/
1435 HRESULT WINAPI CreateFileMoniker(LPCOLESTR lpszPathName, LPMONIKER * ppmk)
1437 FileMonikerImpl* newFileMoniker;
1440 TRACE("(%s,%p)\n",debugstr_w(lpszPathName),ppmk);
1450 newFileMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(FileMonikerImpl));
1452 if (!newFileMoniker)
1453 return E_OUTOFMEMORY;
1455 hr = FileMonikerImpl_Construct(newFileMoniker,lpszPathName);
1458 hr = FileMonikerImpl_QueryInterface((IMoniker*)newFileMoniker,&IID_IMoniker,(void**)ppmk);
1460 HeapFree(GetProcessHeap(),0,newFileMoniker);
1465 /* find a character from a set in reverse without the string having to be null-terminated */
1466 static inline WCHAR *memrpbrkW(const WCHAR *ptr, size_t n, const WCHAR *accept)
1468 const WCHAR *end, *ret = NULL;
1469 for (end = ptr + n; ptr < end; ptr++) if (strchrW(accept, *ptr)) ret = ptr;
1470 return (WCHAR *)ret;
1473 HRESULT FileMoniker_CreateFromDisplayName(LPBC pbc, LPCOLESTR szDisplayName,
1474 LPDWORD pchEaten, LPMONIKER *ppmk)
1477 static const WCHAR wszSeparators[] = {':','\\','/','!',0};
1479 for (end = szDisplayName + strlenW(szDisplayName);
1480 end && (end != szDisplayName);
1481 end = memrpbrkW(szDisplayName, end - szDisplayName, wszSeparators))
1484 IRunningObjectTable *rot;
1485 IMoniker *file_moniker;
1486 LPWSTR file_display_name;
1487 LPWSTR full_path_name;
1488 DWORD full_path_name_len;
1489 int len = end - szDisplayName;
1491 file_display_name = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1492 if (!file_display_name) return E_OUTOFMEMORY;
1493 memcpy(file_display_name, szDisplayName, len * sizeof(WCHAR));
1494 file_display_name[len] = '\0';
1496 hr = CreateFileMoniker(file_display_name, &file_moniker);
1499 HeapFree(GetProcessHeap(), 0, file_display_name);
1503 hr = IBindCtx_GetRunningObjectTable(pbc, &rot);
1506 HeapFree(GetProcessHeap(), 0, file_display_name);
1507 IMoniker_Release(file_moniker);
1511 hr = IRunningObjectTable_IsRunning(rot, file_moniker);
1512 IRunningObjectTable_Release(rot);
1515 HeapFree(GetProcessHeap(), 0, file_display_name);
1516 IMoniker_Release(file_moniker);
1521 TRACE("found running file moniker for %s\n", debugstr_w(file_display_name));
1523 *ppmk = file_moniker;
1524 HeapFree(GetProcessHeap(), 0, file_display_name);
1528 full_path_name_len = GetFullPathNameW(file_display_name, 0, NULL, NULL);
1529 if (!full_path_name_len)
1531 HeapFree(GetProcessHeap(), 0, file_display_name);
1532 IMoniker_Release(file_moniker);
1535 full_path_name = HeapAlloc(GetProcessHeap(), 0, full_path_name_len * sizeof(WCHAR));
1536 if (!full_path_name)
1538 HeapFree(GetProcessHeap(), 0, file_display_name);
1539 IMoniker_Release(file_moniker);
1540 return E_OUTOFMEMORY;
1542 GetFullPathNameW(file_display_name, full_path_name_len, full_path_name, NULL);
1544 if (GetFileAttributesW(full_path_name) == INVALID_FILE_ATTRIBUTES)
1545 TRACE("couldn't open file %s\n", debugstr_w(full_path_name));
1548 TRACE("got file moniker for %s\n", debugstr_w(szDisplayName));
1550 *ppmk = file_moniker;
1551 HeapFree(GetProcessHeap(), 0, file_display_name);
1552 HeapFree(GetProcessHeap(), 0, full_path_name);
1555 HeapFree(GetProcessHeap(), 0, file_display_name);
1556 HeapFree(GetProcessHeap(), 0, full_path_name);
1557 IMoniker_Release(file_moniker);
1560 return MK_E_CANTOPENFILE;
1564 static HRESULT WINAPI FileMonikerCF_QueryInterface(LPCLASSFACTORY iface,
1565 REFIID riid, LPVOID *ppv)
1568 if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IClassFactory))
1571 IUnknown_AddRef(iface);
1574 return E_NOINTERFACE;
1577 static ULONG WINAPI FileMonikerCF_AddRef(LPCLASSFACTORY iface)
1579 return 2; /* non-heap based object */
1582 static ULONG WINAPI FileMonikerCF_Release(LPCLASSFACTORY iface)
1584 return 1; /* non-heap based object */
1587 static HRESULT WINAPI FileMonikerCF_CreateInstance(LPCLASSFACTORY iface,
1588 LPUNKNOWN pUnk, REFIID riid, LPVOID *ppv)
1590 FileMonikerImpl* newFileMoniker;
1592 static const WCHAR wszEmpty[] = { 0 };
1594 TRACE("(%p, %s, %p)\n", pUnk, debugstr_guid(riid), ppv);
1599 return CLASS_E_NOAGGREGATION;
1601 newFileMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(FileMonikerImpl));
1602 if (!newFileMoniker)
1603 return E_OUTOFMEMORY;
1605 hr = FileMonikerImpl_Construct(newFileMoniker, wszEmpty);
1608 hr = FileMonikerImpl_QueryInterface((IMoniker*)newFileMoniker, riid, ppv);
1610 HeapFree(GetProcessHeap(),0,newFileMoniker);
1615 static HRESULT WINAPI FileMonikerCF_LockServer(LPCLASSFACTORY iface, BOOL fLock)
1617 FIXME("(%d), stub!\n",fLock);
1621 static const IClassFactoryVtbl FileMonikerCFVtbl =
1623 FileMonikerCF_QueryInterface,
1624 FileMonikerCF_AddRef,
1625 FileMonikerCF_Release,
1626 FileMonikerCF_CreateInstance,
1627 FileMonikerCF_LockServer
1629 static const IClassFactoryVtbl *FileMonikerCF = &FileMonikerCFVtbl;
1631 HRESULT FileMonikerCF_Create(REFIID riid, LPVOID *ppv)
1633 return IClassFactory_QueryInterface((IClassFactory *)&FileMonikerCF, riid, ppv);