dlls/ole32/filemoniker.c

   1 /*
   2  * FileMonikers implementation
   3  *
   4  * Copyright 1999  Noomen Hamza
   5  * Copyright 2007  Robert Shearman
   6  *
   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.
  11  *
  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.
  16  *
  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
  20  */
  21
  22 #include <assert.h>
  23 #include <stdarg.h>
  24 #include <string.h>
  25
  26 #define COBJMACROS
  27 #define NONAMELESSUNION
  28
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winerror.h"
  32 #include "winnls.h"
  33 #include "wine/unicode.h"
  34 #include "wine/debug.h"
  35 #include "objbase.h"
  36 #include "moniker.h"
  37
  38 #include "compobj_private.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  41
  42 /* filemoniker data structure */
  43 typedef struct FileMonikerImpl{
  44     IMoniker IMoniker_iface;
  45     IROTData IROTData_iface;
  46     LONG ref;
  47     LPOLESTR filePathName; /* path string identified by this filemoniker */
  48     IUnknown *pMarshal; /* custom marshaler */
  49 } FileMonikerImpl;
  50
  51 static inline FileMonikerImpl *impl_from_IMoniker(IMoniker *iface)
  52 {
  53     return CONTAINING_RECORD(iface, FileMonikerImpl, IMoniker_iface);
  54 }
  55
  56 static inline FileMonikerImpl *impl_from_IROTData(IROTData *iface)
  57 {
  58     return CONTAINING_RECORD(iface, FileMonikerImpl, IROTData_iface);
  59 }
  60
  61 /* Local function used by filemoniker implementation */
  62 static HRESULT FileMonikerImpl_Construct(FileMonikerImpl* iface, LPCOLESTR lpszPathName);
  63 static HRESULT FileMonikerImpl_Destroy(FileMonikerImpl* iface);
  64
  65 /*******************************************************************************
  66  *        FileMoniker_QueryInterface
  67  */
  68 static HRESULT WINAPI
  69 FileMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
  70 {
  71     FileMonikerImpl *This = impl_from_IMoniker(iface);
  72
  73     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
  74
  75     /* Perform a sanity check on the parameters.*/
  76     if ( ppvObject==0 )
  77         return E_INVALIDARG;
  78
  79     /* Initialize the return parameter */
  80     *ppvObject = 0;
  81
  82     /* Compare the riid with the interface IDs implemented by this object.*/
  83     if (IsEqualIID(&IID_IUnknown, riid)      ||
  84         IsEqualIID(&IID_IPersist, riid)      ||
  85         IsEqualIID(&IID_IPersistStream,riid) ||
  86         IsEqualIID(&IID_IMoniker, riid)
  87        )
  88         *ppvObject = iface;
  89
  90     else if (IsEqualIID(&IID_IROTData, riid))
  91         *ppvObject = &This->IROTData_iface;
  92     else if (IsEqualIID(&IID_IMarshal, riid))
  93     {
  94         HRESULT hr = S_OK;
  95         if (!This->pMarshal)
  96             hr = MonikerMarshal_Create(iface, &This->pMarshal);
  97         if (hr != S_OK)
  98             return hr;
  99         return IUnknown_QueryInterface(This->pMarshal, riid, ppvObject);
 100     }
 101
 102     /* Check that we obtained an interface.*/
 103     if ((*ppvObject)==0)
 104         return E_NOINTERFACE;
 105
 106     /* Query Interface always increases the reference count by one when it is successful */
 107     IMoniker_AddRef(iface);
 108
 109     return S_OK;
 110 }
 111
 112 /******************************************************************************
 113  *        FileMoniker_AddRef
 114  */
 115 static ULONG WINAPI
 116 FileMonikerImpl_AddRef(IMoniker* iface)
 117 {
 118     FileMonikerImpl *This = impl_from_IMoniker(iface);
 119
 120     TRACE("(%p)\n",iface);
 121
 122     return InterlockedIncrement(&This->ref);
 123 }
 124
 125 /******************************************************************************
 126  *        FileMoniker_Release
 127  */
 128 static ULONG WINAPI
 129 FileMonikerImpl_Release(IMoniker* iface)
 130 {
 131     FileMonikerImpl *This = impl_from_IMoniker(iface);
 132     ULONG ref;
 133
 134     TRACE("(%p)\n",iface);
 135
 136     ref = InterlockedDecrement(&This->ref);
 137
 138     /* destroy the object if there are no more references to it */
 139     if (ref == 0) FileMonikerImpl_Destroy(This);
 140
 141     return ref;
 142 }
 143
 144 /******************************************************************************
 145  *        FileMoniker_GetClassID
 146  */
 147 static HRESULT WINAPI
 148 FileMonikerImpl_GetClassID(IMoniker* iface, CLSID *pClassID)
 149 {
 150     TRACE("(%p,%p)\n",iface,pClassID);
 151
 152     if (pClassID==NULL)
 153         return E_POINTER;
 154
 155     *pClassID = CLSID_FileMoniker;
 156
 157     return S_OK;
 158 }
 159
 160 /******************************************************************************
 161  *        FileMoniker_IsDirty
 162  *
 163  * Note that the OLE-provided implementations of the IPersistStream::IsDirty
 164  * method in the OLE-provided moniker interfaces always return S_FALSE because
 165  * their internal state never changes.
 166  */
 167 static HRESULT WINAPI
 168 FileMonikerImpl_IsDirty(IMoniker* iface)
 169 {
 170
 171     TRACE("(%p)\n",iface);
 172
 173     return S_FALSE;
 174 }
 175
 176 /******************************************************************************
 177  *        FileMoniker_Load
 178  *
 179  * this function locates and reads from the stream the filePath string
 180  * written by FileMonikerImpl_Save
 181  */
 182 static HRESULT WINAPI
 183 FileMonikerImpl_Load(IMoniker* iface, IStream* pStm)
 184 {
 185     FileMonikerImpl *This = impl_from_IMoniker(iface);
 186     HRESULT res;
 187     CHAR* filePathA = NULL;
 188     WCHAR* filePathW = NULL;
 189     ULONG bread;
 190     WORD  wbuffer;
 191     DWORD dwbuffer, bytesA, bytesW, len;
 192     int i;
 193
 194
 195     TRACE("(%p,%p)\n",iface,pStm);
 196
 197     /* first WORD */
 198     res=IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
 199     if (bread!=sizeof(WORD))
 200     {
 201         WARN("Couldn't read 0 word\n");
 202         goto fail;
 203     }
 204
 205     /* read filePath string length (plus one) */
 206     res=IStream_Read(pStm,&bytesA,sizeof(DWORD),&bread);
 207     if (bread != sizeof(DWORD))
 208     {
 209         WARN("Couldn't read file string length\n");
 210         goto fail;
 211     }
 212
 213     /* read filePath string */
 214     filePathA=HeapAlloc(GetProcessHeap(),0,bytesA);
 215     if (!filePathA)
 216     {
 217         res = E_OUTOFMEMORY;
 218         goto fail;
 219     }
 220
 221     res=IStream_Read(pStm,filePathA,bytesA,&bread);
 222     if (bread != bytesA)
 223     {
 224         WARN("Couldn't read file path string\n");
 225         goto fail;
 226     }
 227
 228     /* read the unknown value */
 229     IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
 230     if (bread != sizeof(WORD))
 231     {
 232         WARN("Couldn't read unknown value\n");
 233         goto fail;
 234     }
 235
 236     /* read the DEAD constant */
 237     IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
 238     if (bread != sizeof(WORD))
 239     {
 240         WARN("Couldn't read DEAD constant\n");
 241         goto fail;
 242     }
 243
 244     for(i=0;i<5;i++)
 245     {
 246         res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
 247         if (bread!=sizeof(DWORD))
 248         {
 249             WARN("Couldn't read 0 padding\n");
 250             goto fail;
 251         }
 252     }
 253
 254     res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
 255     if (bread!=sizeof(DWORD))
 256         goto fail;
 257
 258     if (!dwbuffer) /* No W-string */
 259     {
 260         bytesA--;
 261         len=MultiByteToWideChar(CP_ACP, MB_ERR_INVALID_CHARS, filePathA, bytesA, NULL, 0);
 262         if (!len)
 263             goto fail;
 264
 265         filePathW=HeapAlloc(GetProcessHeap(),0,(len+1)*sizeof(WCHAR));
 266         if (!filePathW)
 267         {
 268             res = E_OUTOFMEMORY;
 269             goto fail;
 270         }
 271         MultiByteToWideChar(CP_ACP, MB_ERR_INVALID_CHARS, filePathA, -1, filePathW, len+1);
 272         goto succeed;
 273     }
 274
 275     if (dwbuffer < 6)
 276         goto fail;
 277
 278     bytesW=dwbuffer - 6;
 279
 280     res=IStream_Read(pStm,&dwbuffer,sizeof(DWORD),&bread);
 281     if (bread!=sizeof(DWORD) || dwbuffer!=bytesW)
 282         goto fail;
 283
 284     res=IStream_Read(pStm,&wbuffer,sizeof(WORD),&bread);
 285     if (bread!=sizeof(WORD) || wbuffer!=0x3)
 286         goto fail;
 287
 288     len=bytesW/sizeof(WCHAR);
 289     filePathW=HeapAlloc(GetProcessHeap(),0,(len+1)*sizeof(WCHAR));
 290     if(!filePathW)
 291     {
 292          res = E_OUTOFMEMORY;
 293          goto fail;
 294     }
 295     res=IStream_Read(pStm,filePathW,bytesW,&bread);
 296     if (bread!=bytesW)
 297          goto fail;
 298
 299     filePathW[len]=0;
 300
 301  succeed:
 302     HeapFree(GetProcessHeap(),0,filePathA);
 303     HeapFree(GetProcessHeap(),0,This->filePathName);
 304     This->filePathName=filePathW;
 305
 306     return S_OK;
 307
 308  fail:
 309     HeapFree(GetProcessHeap(), 0, filePathA);
 310     HeapFree(GetProcessHeap(), 0, filePathW);
 311
 312     if (SUCCEEDED(res))
 313          res = E_FAIL;
 314     return res;
 315 }
 316
 317 /******************************************************************************
 318  *        FileMoniker_Save
 319  *
 320  * This function saves data of this object. In the beginning I thought
 321  * that I have just to write the filePath string on Stream. But, when I
 322  * tested this function with windows program samples, I noticed that it
 323  * was not the case. This implementation is based on XP SP2. Other versions
 324  * of Windows have minor variations.
 325  *
 326  * Data which must be written on stream is:
 327  * 1) WORD constant: zero (not validated by Windows)
 328  * 2) length of the path string ("\0" included)
 329  * 3) path string type A
 330  * 4) Unknown WORD value: Frequently 0xFFFF, but not always. If set very large,
 331  *     Windows returns E_OUTOFMEMORY
 332  * 5) WORD Constant: 0xDEAD (not validated by Windows)
 333  * 6) five DWORD constant: zero (not validated by Windows)
 334  * 7) If we're only writing the multibyte version,
 335  *     write a zero DWORD and finish.
 336  *
 337  * 8) DWORD: double-length of the path string type W ("\0" not
 338  *    included)
 339  * 9) WORD constant: 0x3
 340  * 10) filePath unicode string.
 341  *
 342  */
 343 static HRESULT WINAPI
 344 FileMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty)
 345 {
 346     FileMonikerImpl *This = impl_from_IMoniker(iface);
 347     HRESULT res;
 348     LPOLESTR filePathW=This->filePathName;
 349     CHAR*    filePathA;
 350     DWORD bytesA, bytesW, len;
 351
 352     static const WORD FFFF = 0xFFFF; /* Constants */
 353     static const WORD DEAD = 0xDEAD;
 354     static const DWORD ZERO     = 0;
 355     static const WORD  THREE    = 0x3;
 356
 357     int i;
 358     BOOL bUsedDefault, bWriteWide;
 359
 360     TRACE("(%p,%p,%d)\n",iface,pStm,fClearDirty);
 361
 362     if (pStm==NULL)
 363         return E_POINTER;
 364
 365     /* write a 0 WORD */
 366     res=IStream_Write(pStm,&ZERO,sizeof(WORD),NULL);
 367     if (FAILED(res)) return res;
 368
 369     /* write length of filePath string ( 0 included )*/
 370     bytesA = WideCharToMultiByte( CP_ACP, 0, filePathW, -1, NULL, 0, NULL, NULL );
 371     res=IStream_Write(pStm,&bytesA,sizeof(DWORD),NULL);
 372     if (FAILED(res)) return res;
 373
 374     /* write A string (with '\0') */
 375     filePathA=HeapAlloc(GetProcessHeap(),0,bytesA);
 376     if (!filePathA)
 377         return E_OUTOFMEMORY;
 378     WideCharToMultiByte( CP_ACP, 0, filePathW, -1, filePathA, bytesA, NULL, &bUsedDefault);
 379     res=IStream_Write(pStm,filePathA,bytesA,NULL);
 380     HeapFree(GetProcessHeap(),0,filePathA);
 381     if (FAILED(res)) return res;
 382
 383     /* write a WORD 0xFFFF */
 384     res=IStream_Write(pStm,&FFFF,sizeof(WORD),NULL);
 385     if (FAILED(res)) return res;
 386
 387     /* write a WORD 0xDEAD */
 388     res=IStream_Write(pStm,&DEAD,sizeof(WORD),NULL);
 389     if (FAILED(res)) return res;
 390
 391     /* write 5 zero DWORDs */
 392     for(i=0;i<5;i++)
 393     {
 394         res=IStream_Write(pStm,&ZERO,sizeof(DWORD),NULL);
 395         if (FAILED(res)) return res;
 396     }
 397
 398     /* Write the wide version if:
 399      *    + couldn't convert to CP_ACP,
 400      * or + it's a directory,
 401      * or + there's a character > 0xFF
 402      */
 403     len = lstrlenW(filePathW);
 404     bWriteWide = (bUsedDefault || (len > 0 && filePathW[len-1]=='\\' ));
 405     if (!bWriteWide)
 406     {
 407         WCHAR* pch;
 408         for(pch=filePathW;*pch;++pch)
 409         {
 410             if (*pch > 0xFF)
 411             {
 412                 bWriteWide = TRUE;
 413                 break;
 414             }
 415         }
 416     }
 417
 418     if (!bWriteWide)
 419         return IStream_Write(pStm,&ZERO,sizeof(DWORD),NULL);
 420
 421     /* write bytes needed for the filepathW (without 0) + 6 */
 422     bytesW = len*sizeof(WCHAR) + 6;
 423     res=IStream_Write(pStm,&bytesW,sizeof(DWORD),NULL);
 424     if (FAILED(res)) return res;
 425
 426     /* try again, without the extra 6 */
 427     bytesW -= 6;
 428     res=IStream_Write(pStm,&bytesW,sizeof(DWORD),NULL);
 429     if (FAILED(res)) return res;
 430
 431     /* write a WORD 3 */
 432     res=IStream_Write(pStm,&THREE,sizeof(WORD),NULL);
 433     if (FAILED(res)) return res;
 434
 435     /* write W string (no 0) */
 436     return IStream_Write(pStm,filePathW,bytesW,NULL);
 437 }
 438
 439 /******************************************************************************
 440  *        FileMoniker_GetSizeMax
 441  */
 442 static HRESULT WINAPI
 443 FileMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize)
 444 {
 445     FileMonikerImpl *This = impl_from_IMoniker(iface);
 446
 447     TRACE("(%p,%p)\n",iface,pcbSize);
 448
 449     if (!pcbSize)
 450         return E_POINTER;
 451
 452     /* We could calculate exactly (see ...::Save()) but instead
 453      * we'll make a quick over-estimate, like Windows (NT4, XP) does.
 454      */
 455     pcbSize->u.LowPart  = 0x38 + 4 * lstrlenW(This->filePathName);
 456     pcbSize->u.HighPart = 0;
 457
 458     return S_OK;
 459 }
 460
 461 /******************************************************************************
 462  *        FileMoniker_Destroy (local function)
 463  *******************************************************************************/
 464 HRESULT FileMonikerImpl_Destroy(FileMonikerImpl* This)
 465 {
 466     TRACE("(%p)\n",This);
 467
 468     if (This->pMarshal) IUnknown_Release(This->pMarshal);
 469     HeapFree(GetProcessHeap(),0,This->filePathName);
 470     HeapFree(GetProcessHeap(),0,This);
 471
 472     return S_OK;
 473 }
 474
 475 /******************************************************************************
 476  *                  FileMoniker_BindToObject
 477  */
 478 static HRESULT WINAPI
 479 FileMonikerImpl_BindToObject(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
 480                              REFIID riid, VOID** ppvResult)
 481 {
 482     FileMonikerImpl *This = impl_from_IMoniker(iface);
 483     HRESULT   res=E_FAIL;
 484     CLSID     clsID;
 485     IUnknown* pObj=0;
 486     IRunningObjectTable *prot=0;
 487     IPersistFile  *ppf=0;
 488     IClassFactory *pcf=0;
 489     IClassActivator *pca=0;
 490
 491     *ppvResult=0;
 492
 493     TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvResult);
 494
 495     if(pmkToLeft==NULL){
 496
 497         res=IBindCtx_GetRunningObjectTable(pbc,&prot);
 498
 499         if (SUCCEEDED(res)){
 500             /* if the requested class was loaded before ! we don't need to reload it */
 501             res = IRunningObjectTable_GetObject(prot,iface,&pObj);
 502
 503             if (res != S_OK){
 504                 /* first activation of this class */
 505                 res=GetClassFile(This->filePathName,&clsID);
 506                 if (SUCCEEDED(res)){
 507
 508                     res=CoCreateInstance(&clsID,NULL,CLSCTX_SERVER,&IID_IPersistFile,(void**)&ppf);
 509                     if (SUCCEEDED(res)){
 510
 511                         res=IPersistFile_Load(ppf,This->filePathName,STGM_READ);
 512                         if (SUCCEEDED(res)){
 513
 514                             pObj=(IUnknown*)ppf;
 515                             IUnknown_AddRef(pObj);
 516                         }
 517                     }
 518                 }
 519             }
 520         }
 521     }
 522     else{
 523         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IClassFactory,(void**)&pcf);
 524
 525         if (res==E_NOINTERFACE){
 526
 527             res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IClassActivator,(void**)&pca);
 528
 529             if (res==E_NOINTERFACE)
 530                 return MK_E_INTERMEDIATEINTERFACENOTSUPPORTED;
 531         }
 532         if (pcf!=NULL){
 533
 534             IClassFactory_CreateInstance(pcf,NULL,&IID_IPersistFile,(void**)&ppf);
 535
 536             res=IPersistFile_Load(ppf,This->filePathName,STGM_READ);
 537
 538             if (SUCCEEDED(res)){
 539
 540                 pObj=(IUnknown*)ppf;
 541                 IUnknown_AddRef(pObj);
 542             }
 543         }
 544         if (pca!=NULL){
 545
 546             FIXME("()\n");
 547
 548             /*res=GetClassFile(This->filePathName,&clsID);
 549
 550             if (SUCCEEDED(res)){
 551
 552                 res=IClassActivator_GetClassObject(pca,&clsID,CLSCTX_ALL,0,&IID_IPersistFile,(void**)&ppf);
 553
 554                 if (SUCCEEDED(res)){
 555
 556                     pObj=(IUnknown*)ppf;
 557                     IUnknown_AddRef(pObj);
 558                 }
 559             }*/
 560         }
 561     }
 562
 563     if (pObj!=NULL){
 564         /* get the requested interface from the loaded class */
 565         res= IUnknown_QueryInterface(pObj,riid,ppvResult);
 566
 567         IBindCtx_RegisterObjectBound(pbc,*ppvResult);
 568
 569         IUnknown_Release(pObj);
 570     }
 571
 572     if (prot!=NULL)
 573         IRunningObjectTable_Release(prot);
 574
 575     if (ppf!=NULL)
 576         IPersistFile_Release(ppf);
 577
 578     if (pca!=NULL)
 579         IClassActivator_Release(pca);
 580
 581     if (pcf!=NULL)
 582         IClassFactory_Release(pcf);
 583
 584     return res;
 585 }
 586
 587 /******************************************************************************
 588  *        FileMoniker_BindToStorage
 589  */
 590 static HRESULT WINAPI
 591 FileMonikerImpl_BindToStorage(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
 592                               REFIID riid, VOID** ppvObject)
 593 {
 594     LPOLESTR filePath=0;
 595     IStorage *pstg=0;
 596     HRESULT res;
 597
 598     TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvObject);
 599
 600     if (pmkToLeft==NULL){
 601
 602         if (IsEqualIID(&IID_IStorage, riid)){
 603
 604             /* get the file name */
 605             IMoniker_GetDisplayName(iface,pbc,pmkToLeft,&filePath);
 606
 607             res=StgOpenStorage(filePath,NULL,STGM_READWRITE|STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
 608
 609             if (SUCCEEDED(res))
 610                 *ppvObject=pstg;
 611
 612             CoTaskMemFree(filePath);
 613         }
 614         else
 615             if ( (IsEqualIID(&IID_IStream, riid)) || (IsEqualIID(&IID_ILockBytes, riid)) )
 616                 return E_FAIL;
 617             else
 618                 return E_NOINTERFACE;
 619     }
 620     else {
 621
 622         FIXME("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvObject);
 623
 624         return E_NOTIMPL;
 625     }
 626     return res;
 627 }
 628
 629 /******************************************************************************
 630  *        FileMoniker_Reduce
 631  ******************************************************************************/
 632 static HRESULT WINAPI
 633 FileMonikerImpl_Reduce(IMoniker* iface, IBindCtx* pbc, DWORD dwReduceHowFar,
 634                        IMoniker** ppmkToLeft, IMoniker** ppmkReduced)
 635 {
 636     TRACE("(%p,%p,%d,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
 637
 638     if (ppmkReduced==NULL)
 639         return E_POINTER;
 640
 641     IMoniker_AddRef(iface);
 642
 643     *ppmkReduced=iface;
 644
 645     return MK_S_REDUCED_TO_SELF;
 646 }
 647
 648 static void free_stringtable(LPOLESTR *stringTable)
 649 {
 650     int i;
 651
 652     for (i=0; stringTable[i]!=NULL; i++)
 653         CoTaskMemFree(stringTable[i]);
 654     CoTaskMemFree(stringTable);
 655 }
 656
 657 /******************************************************************************
 658  *        FileMoniker_ComposeWith
 659  */
 660 static HRESULT WINAPI
 661 FileMonikerImpl_ComposeWith(IMoniker* iface, IMoniker* pmkRight,
 662                             BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite)
 663 {
 664     HRESULT res;
 665     LPOLESTR str1=0,str2=0,*strDec1=0,*strDec2=0,newStr=0;
 666     static const WCHAR twoPoint[]={'.','.',0};
 667     static const WCHAR bkSlash[]={'\\',0};
 668     IBindCtx *bind=0;
 669     int i=0,j=0,lastIdx1=0,lastIdx2=0;
 670     DWORD mkSys;
 671
 672     TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
 673
 674     if (ppmkComposite==NULL)
 675         return E_POINTER;
 676
 677     if (pmkRight==NULL)
 678         return E_INVALIDARG;
 679
 680     *ppmkComposite=0;
 681
 682     IMoniker_IsSystemMoniker(pmkRight,&mkSys);
 683
 684     /* check if we have two FileMonikers to compose or not */
 685     if(mkSys==MKSYS_FILEMONIKER){
 686
 687         CreateBindCtx(0,&bind);
 688
 689         IMoniker_GetDisplayName(iface,bind,NULL,&str1);
 690         IMoniker_GetDisplayName(pmkRight,bind,NULL,&str2);
 691
 692         /* decompose pathnames of the two monikers : (to prepare the path merge operation ) */
 693         lastIdx1=FileMonikerImpl_DecomposePath(str1,&strDec1)-1;
 694         lastIdx2=FileMonikerImpl_DecomposePath(str2,&strDec2)-1;
 695
 696         if ((lastIdx1==-1 && lastIdx2>-1)||(lastIdx1==1 && lstrcmpW(strDec1[0],twoPoint)==0))
 697             res = MK_E_SYNTAX;
 698         else{
 699             if(lstrcmpW(strDec1[lastIdx1],bkSlash)==0)
 700                 lastIdx1--;
 701
 702             /* for each "..\" in the left of str2 remove the right element from str1 */
 703             for(i=0; ( (lastIdx1>=0) && (strDec2[i]!=NULL) && (lstrcmpW(strDec2[i],twoPoint)==0) ); i+=2){
 704
 705                 lastIdx1-=2;
 706             }
 707
 708             /* the length of the composed path string is increased by the sum of the two paths' lengths */
 709             newStr=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(lstrlenW(str1)+lstrlenW(str2)+1));
 710
 711             if (newStr){
 712                 /* new path is the concatenation of the rest of str1 and str2 */
 713                 for(*newStr=0,j=0;j<=lastIdx1;j++)
 714                     strcatW(newStr,strDec1[j]);
 715
 716                 if ((strDec2[i]==NULL && lastIdx1>-1 && lastIdx2>-1) || lstrcmpW(strDec2[i],bkSlash)!=0)
 717                     strcatW(newStr,bkSlash);
 718
 719                 for(j=i;j<=lastIdx2;j++)
 720                     strcatW(newStr,strDec2[j]);
 721
 722                 /* create a new moniker with the new string */
 723                 res=CreateFileMoniker(newStr,ppmkComposite);
 724
 725                 /* free string memory used by this function */
 726                 HeapFree(GetProcessHeap(),0,newStr);
 727             }
 728             else res = E_OUTOFMEMORY;
 729         }
 730
 731         free_stringtable(strDec1);
 732         free_stringtable(strDec2);
 733
 734         CoTaskMemFree(str1);
 735         CoTaskMemFree(str2);
 736
 737         return res;
 738     }
 739     else if(mkSys==MKSYS_ANTIMONIKER){
 740
 741         *ppmkComposite=NULL;
 742         return S_OK;
 743     }
 744     else if (fOnlyIfNotGeneric){
 745
 746         *ppmkComposite=NULL;
 747         return MK_E_NEEDGENERIC;
 748     }
 749     else
 750
 751         return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 752 }
 753
 754 /******************************************************************************
 755  *        FileMoniker_Enum
 756  */
 757 static HRESULT WINAPI
 758 FileMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
 759 {
 760     TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
 761
 762     if (ppenumMoniker == NULL)
 763         return E_POINTER;
 764
 765     *ppenumMoniker = NULL;
 766
 767     return S_OK;
 768 }
 769
 770 /******************************************************************************
 771  *        FileMoniker_IsEqual
 772  */
 773 static HRESULT WINAPI
 774 FileMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
 775 {
 776     FileMonikerImpl *This = impl_from_IMoniker(iface);
 777     CLSID clsid;
 778     LPOLESTR filePath;
 779     IBindCtx* bind;
 780     HRESULT res;
 781
 782     TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
 783
 784     if (pmkOtherMoniker==NULL)
 785         return S_FALSE;
 786
 787     IMoniker_GetClassID(pmkOtherMoniker,&clsid);
 788
 789     if (!IsEqualCLSID(&clsid,&CLSID_FileMoniker))
 790         return S_FALSE;
 791
 792     res = CreateBindCtx(0,&bind);
 793     if (FAILED(res)) return res;
 794
 795     res = S_FALSE;
 796     if (SUCCEEDED(IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&filePath))) {
 797         if (!lstrcmpiW(filePath, This->filePathName))
 798             res = S_OK;
 799         CoTaskMemFree(filePath);
 800     }
 801
 802     IBindCtx_Release(bind);
 803     return res;
 804 }
 805
 806 /******************************************************************************
 807  *        FileMoniker_Hash
 808  */
 809 static HRESULT WINAPI
 810 FileMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
 811 {
 812     FileMonikerImpl *This = impl_from_IMoniker(iface);
 813     int  h = 0,i,skip,len;
 814     int  off = 0;
 815     LPOLESTR val;
 816
 817     if (pdwHash==NULL)
 818         return E_POINTER;
 819
 820     val =  This->filePathName;
 821     len = lstrlenW(val);
 822
 823     if (len < 16) {
 824         for (i = len ; i > 0; i--) {
 825             h = (h * 37) + val[off++];
 826         }
 827     } else {
 828         /* only sample some characters */
 829         skip = len / 8;
 830         for (i = len ; i > 0; i -= skip, off += skip) {
 831             h = (h * 39) + val[off];
 832         }
 833     }
 834
 835     *pdwHash=h;
 836
 837     return S_OK;
 838 }
 839
 840 /******************************************************************************
 841  *        FileMoniker_IsRunning
 842  */
 843 static HRESULT WINAPI
 844 FileMonikerImpl_IsRunning(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
 845                           IMoniker* pmkNewlyRunning)
 846 {
 847     IRunningObjectTable* rot;
 848     HRESULT res;
 849
 850     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
 851
 852     if ( (pmkNewlyRunning!=NULL) && (IMoniker_IsEqual(pmkNewlyRunning,iface)==S_OK) )
 853         return S_OK;
 854
 855     if (pbc==NULL)
 856         return E_POINTER;
 857
 858     res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 859
 860     if (FAILED(res))
 861         return res;
 862
 863     res = IRunningObjectTable_IsRunning(rot,iface);
 864
 865     IRunningObjectTable_Release(rot);
 866
 867     return res;
 868 }
 869
 870 /******************************************************************************
 871  *        FileMoniker_GetTimeOfLastChange
 872  ******************************************************************************/
 873 static HRESULT WINAPI
 874 FileMonikerImpl_GetTimeOfLastChange(IMoniker* iface, IBindCtx* pbc,
 875                                     IMoniker* pmkToLeft, FILETIME* pFileTime)
 876 {
 877     FileMonikerImpl *This = impl_from_IMoniker(iface);
 878     IRunningObjectTable* rot;
 879     HRESULT res;
 880     WIN32_FILE_ATTRIBUTE_DATA info;
 881
 882     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pFileTime);
 883
 884     if (pFileTime==NULL)
 885         return E_POINTER;
 886
 887     if (pmkToLeft!=NULL)
 888         return E_INVALIDARG;
 889
 890     res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 891
 892     if (FAILED(res))
 893         return res;
 894
 895     res= IRunningObjectTable_GetTimeOfLastChange(rot,iface,pFileTime);
 896
 897     if (FAILED(res)){ /* the moniker is not registered */
 898
 899         if (!GetFileAttributesExW(This->filePathName,GetFileExInfoStandard,&info))
 900             return MK_E_NOOBJECT;
 901
 902         *pFileTime=info.ftLastWriteTime;
 903     }
 904
 905     return S_OK;
 906 }
 907
 908 /******************************************************************************
 909  *        FileMoniker_Inverse
 910  */
 911 static HRESULT WINAPI
 912 FileMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
 913 {
 914     TRACE("(%p,%p)\n",iface,ppmk);
 915
 916     return CreateAntiMoniker(ppmk);
 917 }
 918
 919 /******************************************************************************
 920  *        FileMoniker_CommonPrefixWith
 921  */
 922 static HRESULT WINAPI
 923 FileMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
 924 {
 925
 926     LPOLESTR pathThis = NULL, pathOther = NULL, *stringTable1 = NULL;
 927     LPOLESTR *stringTable2 = NULL, commonPath = NULL;
 928     IBindCtx *bindctx;
 929     DWORD mkSys;
 930     ULONG nb1,nb2,i,sameIdx;
 931     BOOL machineNameCase = FALSE;
 932     HRESULT ret;
 933
 934     if (ppmkPrefix==NULL)
 935         return E_POINTER;
 936
 937     if (pmkOther==NULL)
 938         return E_INVALIDARG;
 939
 940     *ppmkPrefix=0;
 941
 942     /* check if we have the same type of moniker */
 943     IMoniker_IsSystemMoniker(pmkOther,&mkSys);
 944     if (mkSys != MKSYS_FILEMONIKER)
 945         return MonikerCommonPrefixWith(iface, pmkOther, ppmkPrefix);
 946
 947     ret = CreateBindCtx(0, &bindctx);
 948     if (FAILED(ret))
 949         return ret;
 950
 951     /* create a string based on common part of the two paths */
 952     ret = IMoniker_GetDisplayName(iface, bindctx, NULL, &pathThis);
 953     if (FAILED(ret))
 954         goto failed;
 955
 956     ret = IMoniker_GetDisplayName(pmkOther, bindctx, NULL, &pathOther);
 957     if (FAILED(ret))
 958         goto failed;
 959
 960     nb1 = FileMonikerImpl_DecomposePath(pathThis, &stringTable1);
 961     if (FAILED(nb1)) {
 962         ret = nb1;
 963         goto failed;
 964     }
 965
 966     nb2 = FileMonikerImpl_DecomposePath(pathOther, &stringTable2);
 967     if (FAILED(nb2)) {
 968         ret = nb2;
 969         goto failed;
 970     }
 971
 972     if (nb1 == 0 || nb2 == 0) {
 973         ret = MK_E_NOPREFIX;
 974         goto failed;
 975     }
 976
 977     commonPath = CoTaskMemAlloc(sizeof(WCHAR)*(min(lstrlenW(pathThis),lstrlenW(pathOther))+1));
 978     if (!commonPath) {
 979         ret = E_OUTOFMEMORY;
 980         goto failed;
 981     }
 982
 983     *commonPath = 0;
 984     for(sameIdx=0; ( (stringTable1[sameIdx]!=NULL) &&
 985                      (stringTable2[sameIdx]!=NULL) &&
 986                      (lstrcmpiW(stringTable1[sameIdx],stringTable2[sameIdx])==0)); sameIdx++);
 987
 988     if (sameIdx > 1 && *stringTable1[0]=='\\' && *stringTable2[1]=='\\'){
 989         machineNameCase = TRUE;
 990
 991     for(i=2;i<sameIdx;i++)
 992         if( (*stringTable1[i]=='\\') && (i+1 < sameIdx) && (*stringTable1[i+1]=='\\') ){
 993             machineNameCase = FALSE;
 994             break;
 995         }
 996     }
 997
 998     if (machineNameCase && *stringTable1[sameIdx-1]=='\\')
 999         sameIdx--;
1000
1001     if (machineNameCase && (sameIdx<=3) && (nb1 > 3 || nb2 > 3) )
1002         ret = MK_E_NOPREFIX;
1003     else
1004     {
1005         for (i = 0; i < sameIdx; i++)
1006             strcatW(commonPath,stringTable1[i]);
1007         ret = CreateFileMoniker(commonPath, ppmkPrefix);
1008     }
1009
1010 failed:
1011     IBindCtx_Release(bindctx);
1012     CoTaskMemFree(pathThis);
1013     CoTaskMemFree(pathOther);
1014     CoTaskMemFree(commonPath);
1015     if (stringTable1) free_stringtable(stringTable1);
1016     if (stringTable2) free_stringtable(stringTable2);
1017
1018     return ret;
1019 }
1020
1021 /******************************************************************************
1022  *        DecomposePath (local function)
1023  */
1024 int FileMonikerImpl_DecomposePath(LPCOLESTR str, LPOLESTR** stringTable)
1025 {
1026     static const WCHAR bSlash[] = {'\\',0};
1027     LPOLESTR word;
1028     int i=0,j,tabIndex=0, ret=0;
1029     LPOLESTR *strgtable ;
1030
1031     int len=lstrlenW(str);
1032
1033     TRACE("%s, %p\n", debugstr_w(str), *stringTable);
1034
1035     strgtable = CoTaskMemAlloc((len + 1)*sizeof(*strgtable));
1036
1037     if (strgtable==NULL)
1038         return E_OUTOFMEMORY;
1039
1040     word = CoTaskMemAlloc((len + 1)*sizeof(WCHAR));
1041
1042     if (word==NULL)
1043     {
1044         ret = E_OUTOFMEMORY;
1045         goto lend;
1046     }
1047
1048     while(str[i]!=0){
1049
1050         if(str[i]==bSlash[0]){
1051
1052             strgtable[tabIndex]=CoTaskMemAlloc(2*sizeof(WCHAR));
1053
1054             if (strgtable[tabIndex]==NULL)
1055             {
1056                 ret = E_OUTOFMEMORY;
1057                 goto lend;
1058             }
1059
1060             strcpyW(strgtable[tabIndex++],bSlash);
1061
1062             i++;
1063
1064         }
1065         else {
1066
1067             for(j=0; str[i]!=0 && str[i]!=bSlash[0] ; i++,j++)
1068                 word[j]=str[i];
1069
1070             word[j]=0;
1071
1072             strgtable[tabIndex]=CoTaskMemAlloc(sizeof(WCHAR)*(j+1));
1073
1074             if (strgtable[tabIndex]==NULL)
1075             {
1076                 ret = E_OUTOFMEMORY;
1077                 goto lend;
1078             }
1079
1080             strcpyW(strgtable[tabIndex++],word);
1081         }
1082     }
1083     strgtable[tabIndex]=NULL;
1084
1085     *stringTable=strgtable;
1086
1087     ret = tabIndex;
1088
1089 lend:
1090     if (ret < 0)
1091     {
1092         for (i = 0; i < tabIndex; i++)
1093             CoTaskMemFree(strgtable[i]);
1094
1095         CoTaskMemFree(strgtable);
1096     }
1097
1098     CoTaskMemFree(word);
1099
1100     return ret;
1101 }
1102
1103 /******************************************************************************
1104  *        FileMoniker_RelativePathTo
1105  */
1106 static HRESULT WINAPI
1107 FileMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
1108 {
1109     IBindCtx *bind;
1110     HRESULT res;
1111     LPOLESTR str1=0,str2=0,*tabStr1=0,*tabStr2=0,relPath=0;
1112     DWORD len1=0,len2=0,sameIdx=0,j=0;
1113     static const WCHAR back[] ={'.','.','\\',0};
1114
1115     TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
1116
1117     if (ppmkRelPath==NULL)
1118         return E_POINTER;
1119
1120     if (pmOther==NULL)
1121         return E_INVALIDARG;
1122
1123     res=CreateBindCtx(0,&bind);
1124     if (FAILED(res))
1125         return res;
1126
1127     res=IMoniker_GetDisplayName(iface,bind,NULL,&str1);
1128     if (FAILED(res))
1129         return res;
1130     res=IMoniker_GetDisplayName(pmOther,bind,NULL,&str2);
1131     if (FAILED(res))
1132         return res;
1133
1134     len1=FileMonikerImpl_DecomposePath(str1,&tabStr1);
1135     if (FAILED(len1))
1136         return E_OUTOFMEMORY;
1137     len2=FileMonikerImpl_DecomposePath(str2,&tabStr2);
1138
1139     if (FAILED(len2))
1140     {
1141         free_stringtable(tabStr1);
1142         return E_OUTOFMEMORY;
1143     }
1144
1145     /* count the number of similar items from the begin of the two paths */
1146     for(sameIdx=0; ( (tabStr1[sameIdx]!=NULL) &&
1147                    (tabStr2[sameIdx]!=NULL) &&
1148                (lstrcmpiW(tabStr1[sameIdx],tabStr2[sameIdx])==0)); sameIdx++);
1149
1150     /* begin the construction of relativePath */
1151     /* if the two paths have a consecutive similar item from the begin ! the relativePath will be composed */
1152     /* by "..\\" in the begin */
1153     relPath=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(1+lstrlenW(str1)+lstrlenW(str2)));
1154
1155     *relPath=0;
1156
1157     if (len2>0 && !(len1==1 && len2==1 && sameIdx==0))
1158         for(j=sameIdx;(tabStr1[j] != NULL); j++)
1159             if (*tabStr1[j]!='\\')
1160                 strcatW(relPath,back);
1161
1162     /* add items of the second path (similar items with the first path are not included) to the relativePath */
1163     for(j=sameIdx;tabStr2[j]!=NULL;j++)
1164         strcatW(relPath,tabStr2[j]);
1165
1166     res=CreateFileMoniker(relPath,ppmkRelPath);
1167
1168     free_stringtable(tabStr1);
1169     free_stringtable(tabStr2);
1170     CoTaskMemFree(str1);
1171     CoTaskMemFree(str2);
1172     HeapFree(GetProcessHeap(),0,relPath);
1173
1174     if (len1==0 || len2==0 || (len1==1 && len2==1 && sameIdx==0))
1175         return MK_S_HIM;
1176
1177     return res;
1178 }
1179
1180 /******************************************************************************
1181  *        FileMoniker_GetDisplayName
1182  */
1183 static HRESULT WINAPI
1184 FileMonikerImpl_GetDisplayName(IMoniker* iface, IBindCtx* pbc,
1185                                IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName)
1186 {
1187     FileMonikerImpl *This = impl_from_IMoniker(iface);
1188     int len=lstrlenW(This->filePathName);
1189
1190     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
1191
1192     if (ppszDisplayName==NULL)
1193         return E_POINTER;
1194
1195     if (pmkToLeft!=NULL)
1196         return E_INVALIDARG;
1197
1198     *ppszDisplayName=CoTaskMemAlloc(sizeof(WCHAR)*(len+1));
1199     if (*ppszDisplayName==NULL)
1200         return E_OUTOFMEMORY;
1201
1202     strcpyW(*ppszDisplayName,This->filePathName);
1203
1204     TRACE("-- %s\n", debugstr_w(*ppszDisplayName));
1205
1206     return S_OK;
1207 }
1208
1209 /******************************************************************************
1210  *        FileMoniker_ParseDisplayName
1211  */
1212 static HRESULT WINAPI
1213 FileMonikerImpl_ParseDisplayName(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft,
1214                      LPOLESTR pszDisplayName, ULONG* pchEaten, IMoniker** ppmkOut)
1215 {
1216     FIXME("(%p,%p,%p,%p,%p,%p),stub!\n",iface,pbc,pmkToLeft,pszDisplayName,pchEaten,ppmkOut);
1217     return E_NOTIMPL;
1218 }
1219
1220 /******************************************************************************
1221  *        FileMoniker_IsSystemMoniker
1222  */
1223 static HRESULT WINAPI
1224 FileMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
1225 {
1226     TRACE("(%p,%p)\n",iface,pwdMksys);
1227
1228     if (!pwdMksys)
1229         return E_POINTER;
1230
1231     (*pwdMksys)=MKSYS_FILEMONIKER;
1232
1233     return S_OK;
1234 }
1235
1236 /*******************************************************************************
1237  *        FileMonikerIROTData_QueryInterface
1238  */
1239 static HRESULT WINAPI
1240 FileMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,VOID** ppvObject)
1241 {
1242
1243     FileMonikerImpl *This = impl_from_IROTData(iface);
1244
1245     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
1246
1247     return FileMonikerImpl_QueryInterface(&This->IMoniker_iface, riid, ppvObject);
1248 }
1249
1250 /***********************************************************************
1251  *        FileMonikerIROTData_AddRef
1252  */
1253 static ULONG WINAPI
1254 FileMonikerROTDataImpl_AddRef(IROTData *iface)
1255 {
1256     FileMonikerImpl *This = impl_from_IROTData(iface);
1257
1258     TRACE("(%p)\n",This);
1259
1260     return IMoniker_AddRef(&This->IMoniker_iface);
1261 }
1262
1263 /***********************************************************************
1264  *        FileMonikerIROTData_Release
1265  */
1266 static ULONG WINAPI
1267 FileMonikerROTDataImpl_Release(IROTData* iface)
1268 {
1269     FileMonikerImpl *This = impl_from_IROTData(iface);
1270
1271     TRACE("(%p)\n",This);
1272
1273     return FileMonikerImpl_Release(&This->IMoniker_iface);
1274 }
1275
1276 /******************************************************************************
1277  *        FileMonikerIROTData_GetComparisonData
1278  */
1279 static HRESULT WINAPI
1280 FileMonikerROTDataImpl_GetComparisonData(IROTData* iface, BYTE* pbData,
1281                                           ULONG cbMax, ULONG* pcbData)
1282 {
1283     FileMonikerImpl *This = impl_from_IROTData(iface);
1284     int len = strlenW(This->filePathName)+1;
1285     int i;
1286     LPWSTR pszFileName;
1287
1288     TRACE("(%p, %u, %p)\n", pbData, cbMax, pcbData);
1289
1290     *pcbData = sizeof(CLSID) + len * sizeof(WCHAR);
1291     if (cbMax < *pcbData)
1292         return E_OUTOFMEMORY;
1293
1294     memcpy(pbData, &CLSID_FileMoniker, sizeof(CLSID));
1295     pszFileName = (LPWSTR)(pbData+sizeof(CLSID));
1296     for (i = 0; i < len; i++)
1297         pszFileName[i] = toupperW(This->filePathName[i]);
1298
1299     return S_OK;
1300 }
1301
1302 /*
1303  * Virtual function table for the FileMonikerImpl class which include IPersist,
1304  * IPersistStream and IMoniker functions.
1305  */
1306 static const IMonikerVtbl VT_FileMonikerImpl =
1307 {
1308     FileMonikerImpl_QueryInterface,
1309     FileMonikerImpl_AddRef,
1310     FileMonikerImpl_Release,
1311     FileMonikerImpl_GetClassID,
1312     FileMonikerImpl_IsDirty,
1313     FileMonikerImpl_Load,
1314     FileMonikerImpl_Save,
1315     FileMonikerImpl_GetSizeMax,
1316     FileMonikerImpl_BindToObject,
1317     FileMonikerImpl_BindToStorage,
1318     FileMonikerImpl_Reduce,
1319     FileMonikerImpl_ComposeWith,
1320     FileMonikerImpl_Enum,
1321     FileMonikerImpl_IsEqual,
1322     FileMonikerImpl_Hash,
1323     FileMonikerImpl_IsRunning,
1324     FileMonikerImpl_GetTimeOfLastChange,
1325     FileMonikerImpl_Inverse,
1326     FileMonikerImpl_CommonPrefixWith,
1327     FileMonikerImpl_RelativePathTo,
1328     FileMonikerImpl_GetDisplayName,
1329     FileMonikerImpl_ParseDisplayName,
1330     FileMonikerImpl_IsSystemMoniker
1331 };
1332
1333 /* Virtual function table for the IROTData class. */
1334 static const IROTDataVtbl VT_ROTDataImpl =
1335 {
1336     FileMonikerROTDataImpl_QueryInterface,
1337     FileMonikerROTDataImpl_AddRef,
1338     FileMonikerROTDataImpl_Release,
1339     FileMonikerROTDataImpl_GetComparisonData
1340 };
1341
1342 /******************************************************************************
1343  *         FileMoniker_Construct (local function)
1344  */
1345 static HRESULT FileMonikerImpl_Construct(FileMonikerImpl* This, LPCOLESTR lpszPathName)
1346 {
1347     int nb=0,i;
1348     int sizeStr=lstrlenW(lpszPathName);
1349     LPOLESTR *tabStr=0;
1350     static const WCHAR twoPoint[]={'.','.',0};
1351     static const WCHAR bkSlash[]={'\\',0};
1352     BOOL addBkSlash;
1353
1354     TRACE("(%p,%s)\n",This,debugstr_w(lpszPathName));
1355
1356     /* Initialize the virtual function table. */
1357     This->IMoniker_iface.lpVtbl = &VT_FileMonikerImpl;
1358     This->IROTData_iface.lpVtbl = &VT_ROTDataImpl;
1359     This->ref          = 0;
1360     This->pMarshal     = NULL;
1361
1362     This->filePathName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr+1));
1363
1364     if (This->filePathName==NULL)
1365         return E_OUTOFMEMORY;
1366
1367     strcpyW(This->filePathName,lpszPathName);
1368
1369     nb=FileMonikerImpl_DecomposePath(This->filePathName,&tabStr);
1370
1371     if (nb > 0 ){
1372
1373         addBkSlash = TRUE;
1374         if (lstrcmpW(tabStr[0],twoPoint)!=0)
1375             addBkSlash = FALSE;
1376         else
1377             for(i=0;i<nb;i++){
1378
1379                 if ( (lstrcmpW(tabStr[i],twoPoint)!=0) && (lstrcmpW(tabStr[i],bkSlash)!=0) ){
1380                     addBkSlash = FALSE;
1381                     break;
1382                 }
1383                 else
1384
1385                     if (lstrcmpW(tabStr[i],bkSlash)==0 && i<nb-1 && lstrcmpW(tabStr[i+1],bkSlash)==0){
1386                         *tabStr[i]=0;
1387                         sizeStr--;
1388                         addBkSlash = FALSE;
1389                         break;
1390                     }
1391             }
1392
1393         if (lstrcmpW(tabStr[nb-1],bkSlash)==0)
1394             addBkSlash = FALSE;
1395
1396         This->filePathName=HeapReAlloc(GetProcessHeap(),0,This->filePathName,(sizeStr+1)*sizeof(WCHAR));
1397
1398         *This->filePathName=0;
1399
1400         for(i=0;tabStr[i]!=NULL;i++)
1401             strcatW(This->filePathName,tabStr[i]);
1402
1403         if (addBkSlash)
1404             strcatW(This->filePathName,bkSlash);
1405     }
1406
1407     free_stringtable(tabStr);
1408
1409     return S_OK;
1410 }
1411
1412 /******************************************************************************
1413  *        CreateFileMoniker (OLE32.@)
1414  ******************************************************************************/
1415 HRESULT WINAPI CreateFileMoniker(LPCOLESTR lpszPathName, IMoniker **ppmk)
1416 {
1417     FileMonikerImpl* newFileMoniker;
1418     HRESULT  hr;
1419
1420     TRACE("(%s,%p)\n",debugstr_w(lpszPathName),ppmk);
1421
1422     if (!ppmk)
1423         return E_POINTER;
1424
1425     if(!lpszPathName)
1426         return MK_E_SYNTAX;
1427
1428     *ppmk=NULL;
1429
1430     newFileMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(FileMonikerImpl));
1431
1432     if (!newFileMoniker)
1433         return E_OUTOFMEMORY;
1434
1435     hr = FileMonikerImpl_Construct(newFileMoniker,lpszPathName);
1436
1437     if (SUCCEEDED(hr))
1438         hr = IMoniker_QueryInterface(&newFileMoniker->IMoniker_iface,&IID_IMoniker,(void**)ppmk);
1439     else
1440         HeapFree(GetProcessHeap(),0,newFileMoniker);
1441
1442     return hr;
1443 }
1444
1445 /* find a character from a set in reverse without the string having to be null-terminated */
1446 static inline WCHAR *memrpbrkW(const WCHAR *ptr, size_t n, const WCHAR *accept)
1447 {
1448     const WCHAR *end, *ret = NULL;
1449     for (end = ptr + n; ptr < end; ptr++) if (strchrW(accept, *ptr)) ret = ptr;
1450     return (WCHAR *)ret;
1451 }
1452
1453 HRESULT FileMoniker_CreateFromDisplayName(LPBC pbc, LPCOLESTR szDisplayName,
1454                                           LPDWORD pchEaten, IMoniker **ppmk)
1455 {
1456     LPCWSTR end;
1457     static const WCHAR wszSeparators[] = {':','\\','/','!',0};
1458
1459     for (end = szDisplayName + strlenW(szDisplayName);
1460          end && (end != szDisplayName);
1461          end = memrpbrkW(szDisplayName, end - szDisplayName, wszSeparators))
1462     {
1463         HRESULT hr;
1464         IRunningObjectTable *rot;
1465         IMoniker *file_moniker;
1466         LPWSTR file_display_name;
1467         LPWSTR full_path_name;
1468         DWORD full_path_name_len;
1469         int len = end - szDisplayName;
1470
1471         file_display_name = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1472         if (!file_display_name) return E_OUTOFMEMORY;
1473         memcpy(file_display_name, szDisplayName, len * sizeof(WCHAR));
1474         file_display_name[len] = '\0';
1475
1476         hr = CreateFileMoniker(file_display_name, &file_moniker);
1477         if (FAILED(hr))
1478         {
1479             HeapFree(GetProcessHeap(), 0, file_display_name);
1480             return hr;
1481         }
1482
1483         hr = IBindCtx_GetRunningObjectTable(pbc, &rot);
1484         if (FAILED(hr))
1485         {
1486             HeapFree(GetProcessHeap(), 0, file_display_name);
1487             IMoniker_Release(file_moniker);
1488             return hr;
1489         }
1490
1491         hr = IRunningObjectTable_IsRunning(rot, file_moniker);
1492         IRunningObjectTable_Release(rot);
1493         if (FAILED(hr))
1494         {
1495             HeapFree(GetProcessHeap(), 0, file_display_name);
1496             IMoniker_Release(file_moniker);
1497             return hr;
1498         }
1499         if (hr == S_OK)
1500         {
1501             TRACE("found running file moniker for %s\n", debugstr_w(file_display_name));
1502             *pchEaten = len;
1503             *ppmk = file_moniker;
1504             HeapFree(GetProcessHeap(), 0, file_display_name);
1505             return S_OK;
1506         }
1507
1508         full_path_name_len = GetFullPathNameW(file_display_name, 0, NULL, NULL);
1509         if (!full_path_name_len)
1510         {
1511             HeapFree(GetProcessHeap(), 0, file_display_name);
1512             IMoniker_Release(file_moniker);
1513             return MK_E_SYNTAX;
1514         }
1515         full_path_name = HeapAlloc(GetProcessHeap(), 0, full_path_name_len * sizeof(WCHAR));
1516         if (!full_path_name)
1517         {
1518             HeapFree(GetProcessHeap(), 0, file_display_name);
1519             IMoniker_Release(file_moniker);
1520             return E_OUTOFMEMORY;
1521         }
1522         GetFullPathNameW(file_display_name, full_path_name_len, full_path_name, NULL);
1523
1524         if (GetFileAttributesW(full_path_name) == INVALID_FILE_ATTRIBUTES)
1525             TRACE("couldn't open file %s\n", debugstr_w(full_path_name));
1526         else
1527         {
1528             TRACE("got file moniker for %s\n", debugstr_w(szDisplayName));
1529             *pchEaten = len;
1530             *ppmk = file_moniker;
1531             HeapFree(GetProcessHeap(), 0, file_display_name);
1532             HeapFree(GetProcessHeap(), 0, full_path_name);
1533             return S_OK;
1534         }
1535         HeapFree(GetProcessHeap(), 0, file_display_name);
1536         HeapFree(GetProcessHeap(), 0, full_path_name);
1537         IMoniker_Release(file_moniker);
1538     }
1539
1540     return MK_E_CANTOPENFILE;
1541 }
1542
1543
1544 HRESULT WINAPI FileMoniker_CreateInstance(IClassFactory *iface, IUnknown *pUnk, REFIID riid, void **ppv)
1545 {
1546     FileMonikerImpl* newFileMoniker;
1547     HRESULT  hr;
1548     static const WCHAR wszEmpty[] = { 0 };
1549
1550     TRACE("(%p, %s, %p)\n", pUnk, debugstr_guid(riid), ppv);
1551
1552     *ppv = NULL;
1553
1554     if (pUnk)
1555         return CLASS_E_NOAGGREGATION;
1556
1557     newFileMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(FileMonikerImpl));
1558     if (!newFileMoniker)
1559         return E_OUTOFMEMORY;
1560
1561     hr = FileMonikerImpl_Construct(newFileMoniker, wszEmpty);
1562
1563     if (SUCCEEDED(hr))
1564         hr = IMoniker_QueryInterface(&newFileMoniker->IMoniker_iface, riid, ppv);
1565     if (FAILED(hr))
1566         HeapFree(GetProcessHeap(),0,newFileMoniker);
1567
1568     return hr;
1569 }