dlls/ole32/itemmoniker.c

   1 /*
   2  *                            ItemMonikers implementation
   3  *
   4  *           Copyright 1999  Noomen Hamza
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <assert.h>
  22 #include <stdarg.h>
  23 #include <string.h>
  24
  25 #define COBJMACROS
  26 #define NONAMELESSUNION
  27
  28 #include "winerror.h"
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winuser.h"
  32 #include "winnls.h"
  33 #include "wine/debug.h"
  34 #include "ole2.h"
  35 #include "wine/unicode.h"
  36 #include "moniker.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  39
  40 /* ItemMoniker data structure */
  41 typedef struct ItemMonikerImpl{
  42     IMoniker IMoniker_iface;  /* VTable relative to the IMoniker interface.*/
  43     IROTData IROTData_iface;  /* VTable relative to the IROTData interface.*/
  44     LONG ref;
  45     LPOLESTR itemName; /* item name identified by this ItemMoniker */
  46     LPOLESTR itemDelimiter; /* Delimiter string */
  47     IUnknown *pMarshal; /* custom marshaler */
  48 } ItemMonikerImpl;
  49
  50 static inline ItemMonikerImpl *impl_from_IMoniker(IMoniker *iface)
  51 {
  52     return CONTAINING_RECORD(iface, ItemMonikerImpl, IMoniker_iface);
  53 }
  54
  55 static inline ItemMonikerImpl *impl_from_IROTData(IROTData *iface)
  56 {
  57     return CONTAINING_RECORD(iface, ItemMonikerImpl, IROTData_iface);
  58 }
  59
  60 static HRESULT ItemMonikerImpl_Destroy(ItemMonikerImpl* iface);
  61
  62 /*******************************************************************************
  63  *        ItemMoniker_QueryInterface
  64  *******************************************************************************/
  65 static HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
  66 {
  67     ItemMonikerImpl *This = impl_from_IMoniker(iface);
  68
  69     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
  70
  71     if (!ppvObject)
  72         return E_INVALIDARG;
  73
  74     /* Compare the riid with the interface IDs implemented by this object.*/
  75     if (IsEqualIID(&IID_IUnknown, riid) ||
  76         IsEqualIID(&IID_IPersist, riid) ||
  77         IsEqualIID(&IID_IPersistStream, riid) ||
  78         IsEqualIID(&IID_IMoniker, riid))
  79         *ppvObject = iface;
  80     else if (IsEqualIID(&IID_IROTData, riid))
  81         *ppvObject = &This->IROTData_iface;
  82     else if (IsEqualIID(&IID_IMarshal, riid))
  83     {
  84         HRESULT hr = S_OK;
  85         if (!This->pMarshal)
  86             hr = MonikerMarshal_Create(iface, &This->pMarshal);
  87         if (hr != S_OK)
  88             return hr;
  89         return IUnknown_QueryInterface(This->pMarshal, riid, ppvObject);
  90     }
  91     else
  92     {
  93         *ppvObject = NULL;
  94         return E_NOINTERFACE;
  95     }
  96
  97     IMoniker_AddRef(iface);
  98     return S_OK;
  99 }
 100
 101 /******************************************************************************
 102  *        ItemMoniker_AddRef
 103  ******************************************************************************/
 104 static ULONG WINAPI ItemMonikerImpl_AddRef(IMoniker* iface)
 105 {
 106     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 107
 108     TRACE("(%p)\n",This);
 109
 110     return InterlockedIncrement(&This->ref);
 111 }
 112
 113 /******************************************************************************
 114  *        ItemMoniker_Release
 115  ******************************************************************************/
 116 static ULONG WINAPI ItemMonikerImpl_Release(IMoniker* iface)
 117 {
 118     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 119     ULONG ref;
 120
 121     TRACE("(%p)\n",This);
 122
 123     ref = InterlockedDecrement(&This->ref);
 124
 125     /* destroy the object if there are no more references to it */
 126     if (ref == 0) ItemMonikerImpl_Destroy(This);
 127
 128     return ref;
 129 }
 130
 131 /******************************************************************************
 132  *        ItemMoniker_GetClassID
 133  ******************************************************************************/
 134 static HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
 135 {
 136     TRACE("(%p,%p)\n",iface,pClassID);
 137
 138     if (pClassID==NULL)
 139         return E_POINTER;
 140
 141     *pClassID = CLSID_ItemMoniker;
 142
 143     return S_OK;
 144 }
 145
 146 /******************************************************************************
 147  *        ItemMoniker_IsDirty
 148  ******************************************************************************/
 149 static HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface)
 150 {
 151     /* Note that the OLE-provided implementations of the IPersistStream::IsDirty
 152        method in the OLE-provided moniker interfaces always return S_FALSE because
 153        their internal state never changes. */
 154
 155     TRACE("(%p)\n",iface);
 156
 157     return S_FALSE;
 158 }
 159
 160 /******************************************************************************
 161  *        ItemMoniker_Load
 162  ******************************************************************************/
 163 static HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface,IStream* pStm)
 164 {
 165     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 166     HRESULT res;
 167     DWORD delimiterLength,nameLength,lenW;
 168     CHAR *itemNameA,*itemDelimiterA;
 169     ULONG bread;
 170
 171     TRACE("\n");
 172
 173     /* for more details about data read by this function see comments of ItemMonikerImpl_Save function */
 174
 175     /* read item delimiter string length + 1 */
 176     res=IStream_Read(pStm,&delimiterLength,sizeof(DWORD),&bread);
 177     if (bread != sizeof(DWORD))
 178         return E_FAIL;
 179
 180     /* read item delimiter string */
 181     if (!(itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength)))
 182         return E_OUTOFMEMORY;
 183     res=IStream_Read(pStm,itemDelimiterA,delimiterLength,&bread);
 184     if (bread != delimiterLength)
 185     {
 186         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 187         return E_FAIL;
 188     }
 189
 190     lenW = MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, NULL, 0 );
 191     This->itemDelimiter=HeapReAlloc(GetProcessHeap(),0,This->itemDelimiter,lenW*sizeof(WCHAR));
 192     if (!This->itemDelimiter)
 193     {
 194         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 195         return E_OUTOFMEMORY;
 196     }
 197     MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, This->itemDelimiter, lenW );
 198     HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 199
 200     /* read item name string length + 1*/
 201     res=IStream_Read(pStm,&nameLength,sizeof(DWORD),&bread);
 202     if (bread != sizeof(DWORD))
 203         return E_FAIL;
 204
 205     /* read item name string */
 206     if (!(itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength)))
 207         return E_OUTOFMEMORY;
 208     res=IStream_Read(pStm,itemNameA,nameLength,&bread);
 209     if (bread != nameLength)
 210     {
 211         HeapFree( GetProcessHeap(), 0, itemNameA );
 212         return E_FAIL;
 213     }
 214
 215     lenW = MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, NULL, 0 );
 216     This->itemName=HeapReAlloc(GetProcessHeap(),0,This->itemName,lenW*sizeof(WCHAR));
 217     if (!This->itemName)
 218     {
 219         HeapFree( GetProcessHeap(), 0, itemNameA );
 220         return E_OUTOFMEMORY;
 221     }
 222     MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, This->itemName, lenW );
 223     HeapFree( GetProcessHeap(), 0, itemNameA );
 224
 225     return res;
 226 }
 227
 228 /******************************************************************************
 229  *        ItemMoniker_Save
 230  ******************************************************************************/
 231 static HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty)
 232 {
 233     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 234     HRESULT res;
 235     CHAR *itemNameA,*itemDelimiterA;
 236
 237     /* data written by this function are : 1) DWORD : size of item delimiter string ('\0' included ) */
 238     /*                                    2) String (type A): item delimiter string ('\0' included)          */
 239     /*                                    3) DWORD : size of item name string ('\0' included)       */
 240     /*                                    4) String (type A): item name string ('\0' included)               */
 241
 242     DWORD nameLength = WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, NULL, 0, NULL, NULL);
 243     DWORD delimiterLength = WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, NULL, 0, NULL, NULL);
 244     itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength);
 245     itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength);
 246     WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, itemNameA, nameLength, NULL, NULL);
 247     WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, itemDelimiterA, delimiterLength, NULL, NULL);
 248
 249     TRACE("%p, %s\n", pStm, fClearDirty ? "TRUE" : "FALSE");
 250
 251     res=IStream_Write(pStm,&delimiterLength,sizeof(DWORD),NULL);
 252     res=IStream_Write(pStm,itemDelimiterA,delimiterLength * sizeof(CHAR),NULL);
 253     res=IStream_Write(pStm,&nameLength,sizeof(DWORD),NULL);
 254     res=IStream_Write(pStm,itemNameA,nameLength * sizeof(CHAR),NULL);
 255
 256     HeapFree(GetProcessHeap(), 0, itemNameA);
 257     HeapFree(GetProcessHeap(), 0, itemDelimiterA);
 258
 259     return res;
 260 }
 261
 262 /******************************************************************************
 263  *        ItemMoniker_GetSizeMax
 264  ******************************************************************************/
 265 static HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize)
 266 {
 267     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 268     DWORD delimiterLength=lstrlenW(This->itemDelimiter)+1;
 269     DWORD nameLength=lstrlenW(This->itemName)+1;
 270
 271     TRACE("(%p,%p)\n",iface,pcbSize);
 272
 273     if (!pcbSize)
 274         return E_POINTER;
 275
 276     /* for more details see ItemMonikerImpl_Save comments */
 277
 278     pcbSize->u.LowPart =  sizeof(DWORD) + /* DWORD which contains delimiter length */
 279                         delimiterLength*4 + /* item delimiter string */
 280                         sizeof(DWORD) + /* DWORD which contains item name length */
 281                         nameLength*4 + /* item name string */
 282                         18; /* strange, but true */
 283     pcbSize->u.HighPart=0;
 284
 285     return S_OK;
 286 }
 287
 288 /******************************************************************************
 289  *                  ItemMoniker_BindToObject
 290  ******************************************************************************/
 291 static HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,
 292                                                    IBindCtx* pbc,
 293                                                    IMoniker* pmkToLeft,
 294                                                    REFIID riid,
 295                                                    VOID** ppvResult)
 296 {
 297     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 298     HRESULT   res;
 299     IID    refid=IID_IOleItemContainer;
 300     IOleItemContainer *poic=0;
 301
 302     TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvResult);
 303
 304     if(ppvResult ==NULL)
 305         return E_POINTER;
 306
 307     if(pmkToLeft==NULL)
 308         return E_INVALIDARG;
 309
 310     *ppvResult=0;
 311
 312     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&refid,(void**)&poic);
 313
 314     if (SUCCEEDED(res)){
 315
 316         res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,riid,ppvResult);
 317
 318         IOleItemContainer_Release(poic);
 319     }
 320
 321     return res;
 322 }
 323
 324 /******************************************************************************
 325  *        ItemMoniker_BindToStorage
 326  ******************************************************************************/
 327 static HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,
 328                                                     IBindCtx* pbc,
 329                                                     IMoniker* pmkToLeft,
 330                                                     REFIID riid,
 331                                                     VOID** ppvResult)
 332 {
 333     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 334     HRESULT   res;
 335     IOleItemContainer *poic=0;
 336
 337     TRACE("(%p,%p,%p,%s,%p)\n",iface,pbc,pmkToLeft,debugstr_guid(riid),ppvResult);
 338
 339     *ppvResult=0;
 340
 341     if(pmkToLeft==NULL)
 342         return E_INVALIDARG;
 343
 344     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 345
 346     if (SUCCEEDED(res)){
 347
 348         res=IOleItemContainer_GetObjectStorage(poic,This->itemName,pbc,riid,ppvResult);
 349
 350         IOleItemContainer_Release(poic);
 351     }
 352
 353     return res;
 354 }
 355
 356 /******************************************************************************
 357  *        ItemMoniker_Reduce
 358  ******************************************************************************/
 359 static HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,
 360                                              IBindCtx* pbc,
 361                                              DWORD dwReduceHowFar,
 362                                              IMoniker** ppmkToLeft,
 363                                              IMoniker** ppmkReduced)
 364 {
 365     TRACE("(%p,%p,%d,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
 366
 367     if (ppmkReduced==NULL)
 368         return E_POINTER;
 369
 370     ItemMonikerImpl_AddRef(iface);
 371
 372     *ppmkReduced=iface;
 373
 374     return MK_S_REDUCED_TO_SELF;
 375 }
 376 /******************************************************************************
 377  *        ItemMoniker_ComposeWith
 378  ******************************************************************************/
 379 static HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,
 380                                                   IMoniker* pmkRight,
 381                                                   BOOL fOnlyIfNotGeneric,
 382                                                   IMoniker** ppmkComposite)
 383 {
 384     HRESULT res=S_OK;
 385     DWORD mkSys,mkSys2;
 386     IEnumMoniker* penumMk=0;
 387     IMoniker *pmostLeftMk=0;
 388     IMoniker* tempMkComposite=0;
 389
 390     TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
 391
 392     if ((ppmkComposite==NULL)||(pmkRight==NULL))
 393         return E_POINTER;
 394
 395     *ppmkComposite=0;
 396
 397     IMoniker_IsSystemMoniker(pmkRight,&mkSys);
 398
 399     /* If pmkRight is an anti-moniker, the returned moniker is NULL */
 400     if(mkSys==MKSYS_ANTIMONIKER)
 401         return res;
 402
 403     else
 404         /* if pmkRight is a composite whose leftmost component is an anti-moniker,           */
 405         /* the returned moniker is the composite after the leftmost anti-moniker is removed. */
 406
 407          if(mkSys==MKSYS_GENERICCOMPOSITE){
 408
 409             res=IMoniker_Enum(pmkRight,TRUE,&penumMk);
 410
 411             if (FAILED(res))
 412                 return res;
 413
 414             res=IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL);
 415
 416             IMoniker_IsSystemMoniker(pmostLeftMk,&mkSys2);
 417
 418             if(mkSys2==MKSYS_ANTIMONIKER){
 419
 420                 IMoniker_Release(pmostLeftMk);
 421
 422                 tempMkComposite=iface;
 423                 IMoniker_AddRef(iface);
 424
 425                 while(IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL)==S_OK){
 426
 427                     res=CreateGenericComposite(tempMkComposite,pmostLeftMk,ppmkComposite);
 428
 429                     IMoniker_Release(tempMkComposite);
 430                     IMoniker_Release(pmostLeftMk);
 431
 432                     tempMkComposite=*ppmkComposite;
 433                     IMoniker_AddRef(tempMkComposite);
 434                 }
 435                 return res;
 436             }
 437             else
 438                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 439          }
 440          /* If pmkRight is not an anti-moniker, the method combines the two monikers into a generic
 441           composite if fOnlyIfNotGeneric is FALSE; if fOnlyIfNotGeneric is TRUE, the method returns
 442           a NULL moniker and a return value of MK_E_NEEDGENERIC */
 443           else
 444             if (!fOnlyIfNotGeneric)
 445                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 446
 447             else
 448                 return MK_E_NEEDGENERIC;
 449 }
 450
 451 /******************************************************************************
 452  *        ItemMoniker_Enum
 453  ******************************************************************************/
 454 static HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
 455 {
 456     TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
 457
 458     if (ppenumMoniker == NULL)
 459         return E_POINTER;
 460
 461     *ppenumMoniker = NULL;
 462
 463     return S_OK;
 464 }
 465
 466 /******************************************************************************
 467  *        ItemMoniker_IsEqual
 468  ******************************************************************************/
 469 static HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
 470 {
 471
 472     CLSID clsid;
 473     LPOLESTR dispName1,dispName2;
 474     IBindCtx* bind;
 475     HRESULT res = S_FALSE;
 476
 477     TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
 478
 479     if (!pmkOtherMoniker) return S_FALSE;
 480
 481
 482     /* check if both are ItemMoniker */
 483     if(FAILED (IMoniker_GetClassID(pmkOtherMoniker,&clsid))) return S_FALSE;
 484     if(!IsEqualCLSID(&clsid,&CLSID_ItemMoniker)) return S_FALSE;
 485
 486     /* check if both displaynames are the same */
 487     if(SUCCEEDED ((res = CreateBindCtx(0,&bind)))) {
 488         if(SUCCEEDED (IMoniker_GetDisplayName(iface,bind,NULL,&dispName1))) {
 489             if(SUCCEEDED (IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&dispName2))) {
 490                 if(lstrcmpW(dispName1,dispName2)==0) res = S_OK;
 491                 CoTaskMemFree(dispName2);
 492             }
 493             CoTaskMemFree(dispName1);
 494         }
 495     }
 496     return res;
 497 }
 498
 499 /******************************************************************************
 500  *        ItemMoniker_Hash
 501  ******************************************************************************/
 502 static HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
 503 {
 504     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 505     DWORD h = 0;
 506     int  i,len;
 507     int  off = 0;
 508     LPOLESTR val;
 509
 510     if (pdwHash==NULL)
 511         return E_POINTER;
 512
 513     val =  This->itemName;
 514     len = lstrlenW(val);
 515
 516     for (i = len ; i > 0; i--)
 517         h = (h * 3) ^ toupperW(val[off++]);
 518
 519     *pdwHash=h;
 520
 521     return S_OK;
 522 }
 523
 524 /******************************************************************************
 525  *        ItemMoniker_IsRunning
 526  ******************************************************************************/
 527 static HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,
 528                                                 IBindCtx* pbc,
 529                                                 IMoniker* pmkToLeft,
 530                                                 IMoniker* pmkNewlyRunning)
 531 {
 532     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 533     IRunningObjectTable* rot;
 534     HRESULT res;
 535     IOleItemContainer *poic=0;
 536
 537     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
 538
 539     /* If pmkToLeft is NULL, this method returns TRUE if pmkNewlyRunning is non-NULL and is equal to this */
 540     /* moniker. Otherwise, the method checks the ROT to see whether this moniker is running.              */
 541     if (pmkToLeft==NULL)
 542         if ((pmkNewlyRunning!=NULL)&&(IMoniker_IsEqual(pmkNewlyRunning,iface)==S_OK))
 543             return S_OK;
 544         else {
 545             if (pbc==NULL)
 546                 return E_INVALIDARG;
 547
 548             res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 549
 550             if (FAILED(res))
 551                 return res;
 552
 553             res = IRunningObjectTable_IsRunning(rot,iface);
 554
 555             IRunningObjectTable_Release(rot);
 556         }
 557     else{
 558
 559         /* If pmkToLeft is non-NULL, the method calls IMoniker::BindToObject on the pmkToLeft parameter,         */
 560         /* requesting an IOleItemContainer interface pointer. The method then calls IOleItemContainer::IsRunning,*/
 561         /* passing the string contained within this moniker. */
 562
 563         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 564
 565         if (SUCCEEDED(res)){
 566
 567             res=IOleItemContainer_IsRunning(poic,This->itemName);
 568
 569             IOleItemContainer_Release(poic);
 570         }
 571     }
 572
 573     return res;
 574 }
 575
 576 /******************************************************************************
 577  *        ItemMoniker_GetTimeOfLastChange
 578  ******************************************************************************/
 579 static HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface,
 580                                                           IBindCtx* pbc,
 581                                                           IMoniker* pmkToLeft,
 582                                                           FILETIME* pItemTime)
 583 {
 584     IRunningObjectTable* rot;
 585     HRESULT res;
 586     IMoniker *compositeMk;
 587
 588     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pItemTime);
 589
 590     if (pItemTime==NULL)
 591         return E_INVALIDARG;
 592
 593     /* If pmkToLeft is NULL, this method returns MK_E_NOTBINDABLE */
 594     if (pmkToLeft==NULL)
 595
 596         return MK_E_NOTBINDABLE;
 597     else {
 598
 599         /* Otherwise, the method creates a composite of pmkToLeft and this moniker and uses the ROT to access  */
 600         /* the time of last change. If the object is not in the ROT, the method calls                          */
 601         /* IMoniker::GetTimeOfLastChange on the pmkToLeft parameter.                                            */
 602
 603         res=CreateGenericComposite(pmkToLeft,iface,&compositeMk);
 604         if (FAILED(res))
 605             return res;
 606
 607         res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 608         if (FAILED(res)) {
 609             IMoniker_Release(compositeMk);
 610             return res;
 611         }
 612
 613         if (IRunningObjectTable_GetTimeOfLastChange(rot,compositeMk,pItemTime)!=S_OK)
 614
 615             res=IMoniker_GetTimeOfLastChange(pmkToLeft,pbc,NULL,pItemTime);
 616
 617         IMoniker_Release(compositeMk);
 618     }
 619
 620     return res;
 621 }
 622
 623 /******************************************************************************
 624  *        ItemMoniker_Inverse
 625  ******************************************************************************/
 626 static HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
 627 {
 628     TRACE("(%p,%p)\n",iface,ppmk);
 629
 630     if (ppmk==NULL)
 631         return E_POINTER;
 632
 633     return CreateAntiMoniker(ppmk);
 634 }
 635
 636 /******************************************************************************
 637  *        ItemMoniker_CommonPrefixWith
 638  ******************************************************************************/
 639 static HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
 640 {
 641     DWORD mkSys;
 642
 643     TRACE("(%p,%p)\n", pmkOther, ppmkPrefix);
 644
 645     IMoniker_IsSystemMoniker(pmkOther,&mkSys);
 646     /* If the other moniker is an item moniker that is equal to this moniker, this method sets *ppmkPrefix */
 647     /* to this moniker and returns MK_S_US */
 648
 649     if((mkSys==MKSYS_ITEMMONIKER) && (IMoniker_IsEqual(iface,pmkOther)==S_OK) ){
 650
 651         *ppmkPrefix=iface;
 652
 653         IMoniker_AddRef(iface);
 654
 655         return MK_S_US;
 656     }
 657     else
 658         /* otherwise, the method calls the MonikerCommonPrefixWith function. This function correctly handles */
 659         /* the case where the other moniker is a generic composite. */
 660         return MonikerCommonPrefixWith(iface,pmkOther,ppmkPrefix);
 661 }
 662
 663 /******************************************************************************
 664  *        ItemMoniker_RelativePathTo
 665  ******************************************************************************/
 666 static HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
 667 {
 668     TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
 669
 670     if (ppmkRelPath==NULL)
 671         return E_POINTER;
 672
 673     *ppmkRelPath=0;
 674
 675     return MK_E_NOTBINDABLE;
 676 }
 677
 678 /******************************************************************************
 679  *        ItemMoniker_GetDisplayName
 680  ******************************************************************************/
 681 static HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,
 682                                                      IBindCtx* pbc,
 683                                                      IMoniker* pmkToLeft,
 684                                                      LPOLESTR *ppszDisplayName)
 685 {
 686     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 687
 688     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
 689
 690     if (ppszDisplayName==NULL)
 691         return E_POINTER;
 692
 693     if (pmkToLeft!=NULL){
 694         return E_INVALIDARG;
 695     }
 696
 697     *ppszDisplayName=CoTaskMemAlloc(sizeof(WCHAR)*(lstrlenW(This->itemDelimiter)+lstrlenW(This->itemName)+1));
 698
 699     if (*ppszDisplayName==NULL)
 700         return E_OUTOFMEMORY;
 701
 702     lstrcpyW(*ppszDisplayName,This->itemDelimiter);
 703     lstrcatW(*ppszDisplayName,This->itemName);
 704
 705     TRACE("-- %s\n", debugstr_w(*ppszDisplayName));
 706
 707     return S_OK;
 708 }
 709
 710 /******************************************************************************
 711  *        ItemMoniker_ParseDisplayName
 712  ******************************************************************************/
 713 static HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,
 714                                                        IBindCtx* pbc,
 715                                                        IMoniker* pmkToLeft,
 716                                                        LPOLESTR pszDisplayName,
 717                                                        ULONG* pchEaten,
 718                                                        IMoniker** ppmkOut)
 719 {
 720     ItemMonikerImpl *This = impl_from_IMoniker(iface);
 721     IOleItemContainer* poic=0;
 722     IParseDisplayName* ppdn=0;
 723     LPOLESTR displayName;
 724     HRESULT res;
 725
 726     TRACE("%s\n", debugstr_w(pszDisplayName));
 727
 728     /* If pmkToLeft is NULL, this method returns MK_E_SYNTAX */
 729     if (pmkToLeft==NULL)
 730
 731         return MK_E_SYNTAX;
 732
 733     else{
 734         /* Otherwise, the method calls IMoniker::BindToObject on the pmkToLeft parameter, requesting an */
 735         /* IParseDisplayName interface pointer to the object identified by the moniker, and passes the display */
 736         /* name to IParseDisplayName::ParseDisplayName */
 737         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 738
 739         if (SUCCEEDED(res)){
 740
 741             res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,&IID_IParseDisplayName,(void**)&ppdn);
 742
 743             res=IMoniker_GetDisplayName(iface,pbc,NULL,&displayName);
 744
 745             res=IParseDisplayName_ParseDisplayName(ppdn,pbc,displayName,pchEaten,ppmkOut);
 746
 747             IOleItemContainer_Release(poic);
 748             IParseDisplayName_Release(ppdn);
 749         }
 750     }
 751     return res;
 752 }
 753
 754 /******************************************************************************
 755  *        ItemMoniker_IsSystemMoniker
 756  ******************************************************************************/
 757 static HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
 758 {
 759     TRACE("(%p,%p)\n",iface,pwdMksys);
 760
 761     if (!pwdMksys)
 762         return E_POINTER;
 763
 764     (*pwdMksys)=MKSYS_ITEMMONIKER;
 765
 766     return S_OK;
 767 }
 768
 769 /*******************************************************************************
 770  *        ItemMonikerIROTData_QueryInterface
 771  *******************************************************************************/
 772 static HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,
 773                                                             void **ppvObject)
 774 {
 775
 776     ItemMonikerImpl *This = impl_from_IROTData(iface);
 777
 778     TRACE("(%p,%s,%p)\n",iface,debugstr_guid(riid),ppvObject);
 779
 780     return ItemMonikerImpl_QueryInterface(&This->IMoniker_iface, riid, ppvObject);
 781 }
 782
 783 /***********************************************************************
 784  *        ItemMonikerIROTData_AddRef
 785  */
 786 static ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData *iface)
 787 {
 788     ItemMonikerImpl *This = impl_from_IROTData(iface);
 789
 790     TRACE("(%p)\n",iface);
 791
 792     return ItemMonikerImpl_AddRef(&This->IMoniker_iface);
 793 }
 794
 795 /***********************************************************************
 796  *        ItemMonikerIROTData_Release
 797  */
 798 static ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface)
 799 {
 800     ItemMonikerImpl *This = impl_from_IROTData(iface);
 801
 802     TRACE("(%p)\n",iface);
 803
 804     return ItemMonikerImpl_Release(&This->IMoniker_iface);
 805 }
 806
 807 /******************************************************************************
 808  *        ItemMonikerIROTData_GetComparisonData
 809  ******************************************************************************/
 810 static HRESULT WINAPI ItemMonikerROTDataImpl_GetComparisonData(IROTData* iface,
 811                                                                BYTE* pbData,
 812                                                                ULONG cbMax,
 813                                                                ULONG* pcbData)
 814 {
 815     ItemMonikerImpl *This = impl_from_IROTData(iface);
 816     int len = (strlenW(This->itemName)+1);
 817     int i;
 818     LPWSTR pszItemName;
 819     LPWSTR pszItemDelimiter;
 820
 821     TRACE("(%p, %u, %p)\n", pbData, cbMax, pcbData);
 822
 823     *pcbData = sizeof(CLSID) + sizeof(WCHAR) + len * sizeof(WCHAR);
 824     if (cbMax < *pcbData)
 825         return E_OUTOFMEMORY;
 826
 827     /* write CLSID */
 828     memcpy(pbData, &CLSID_ItemMoniker, sizeof(CLSID));
 829     /* write delimiter */
 830     pszItemDelimiter = (LPWSTR)(pbData+sizeof(CLSID));
 831     *pszItemDelimiter = *This->itemDelimiter;
 832     /* write name */
 833     pszItemName = pszItemDelimiter + 1;
 834     for (i = 0; i < len; i++)
 835         pszItemName[i] = toupperW(This->itemName[i]);
 836
 837     return S_OK;
 838 }
 839
 840 /********************************************************************************/
 841 /* Virtual function table for the ItemMonikerImpl class which  include IPersist,*/
 842 /* IPersistStream and IMoniker functions.                                       */
 843 static const IMonikerVtbl VT_ItemMonikerImpl =
 844     {
 845     ItemMonikerImpl_QueryInterface,
 846     ItemMonikerImpl_AddRef,
 847     ItemMonikerImpl_Release,
 848     ItemMonikerImpl_GetClassID,
 849     ItemMonikerImpl_IsDirty,
 850     ItemMonikerImpl_Load,
 851     ItemMonikerImpl_Save,
 852     ItemMonikerImpl_GetSizeMax,
 853     ItemMonikerImpl_BindToObject,
 854     ItemMonikerImpl_BindToStorage,
 855     ItemMonikerImpl_Reduce,
 856     ItemMonikerImpl_ComposeWith,
 857     ItemMonikerImpl_Enum,
 858     ItemMonikerImpl_IsEqual,
 859     ItemMonikerImpl_Hash,
 860     ItemMonikerImpl_IsRunning,
 861     ItemMonikerImpl_GetTimeOfLastChange,
 862     ItemMonikerImpl_Inverse,
 863     ItemMonikerImpl_CommonPrefixWith,
 864     ItemMonikerImpl_RelativePathTo,
 865     ItemMonikerImpl_GetDisplayName,
 866     ItemMonikerImpl_ParseDisplayName,
 867     ItemMonikerImpl_IsSystemMoniker
 868 };
 869
 870 /********************************************************************************/
 871 /* Virtual function table for the IROTData class.                               */
 872 static const IROTDataVtbl VT_ROTDataImpl =
 873 {
 874     ItemMonikerROTDataImpl_QueryInterface,
 875     ItemMonikerROTDataImpl_AddRef,
 876     ItemMonikerROTDataImpl_Release,
 877     ItemMonikerROTDataImpl_GetComparisonData
 878 };
 879
 880 /******************************************************************************
 881  *         ItemMoniker_Construct (local function)
 882  *******************************************************************************/
 883 static HRESULT ItemMonikerImpl_Construct(ItemMonikerImpl* This, LPCOLESTR lpszDelim,LPCOLESTR lpszItem)
 884 {
 885
 886     int sizeStr1=lstrlenW(lpszItem), sizeStr2;
 887     static const OLECHAR emptystr[1];
 888     LPCOLESTR   delim;
 889
 890     TRACE("(%p,%s,%s)\n",This,debugstr_w(lpszDelim),debugstr_w(lpszItem));
 891
 892     /* Initialize the virtual function table. */
 893     This->IMoniker_iface.lpVtbl = &VT_ItemMonikerImpl;
 894     This->IROTData_iface.lpVtbl = &VT_ROTDataImpl;
 895     This->ref          = 0;
 896     This->pMarshal     = NULL;
 897
 898     This->itemName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr1+1));
 899     if (!This->itemName)
 900         return E_OUTOFMEMORY;
 901     lstrcpyW(This->itemName,lpszItem);
 902
 903     if (!lpszDelim)
 904         FIXME("lpszDelim is NULL. Using empty string which is possibly wrong.\n");
 905
 906     delim = lpszDelim ? lpszDelim : emptystr;
 907
 908     sizeStr2=lstrlenW(delim);
 909     This->itemDelimiter=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr2+1));
 910     if (!This->itemDelimiter) {
 911         HeapFree(GetProcessHeap(),0,This->itemName);
 912         return E_OUTOFMEMORY;
 913     }
 914     lstrcpyW(This->itemDelimiter,delim);
 915     return S_OK;
 916 }
 917
 918 /******************************************************************************
 919  *        ItemMoniker_Destroy (local function)
 920  *******************************************************************************/
 921 static HRESULT ItemMonikerImpl_Destroy(ItemMonikerImpl* This)
 922 {
 923     TRACE("(%p)\n",This);
 924
 925     if (This->pMarshal) IUnknown_Release(This->pMarshal);
 926     HeapFree(GetProcessHeap(),0,This->itemName);
 927     HeapFree(GetProcessHeap(),0,This->itemDelimiter);
 928     HeapFree(GetProcessHeap(),0,This);
 929
 930     return S_OK;
 931 }
 932
 933 /******************************************************************************
 934  *        CreateItemMoniker     [OLE32.@]
 935  ******************************************************************************/
 936 HRESULT WINAPI CreateItemMoniker(LPCOLESTR lpszDelim, LPCOLESTR  lpszItem, IMoniker **ppmk)
 937 {
 938     ItemMonikerImpl* newItemMoniker;
 939     HRESULT        hr;
 940
 941     TRACE("(%s,%s,%p)\n",debugstr_w(lpszDelim),debugstr_w(lpszItem),ppmk);
 942
 943     newItemMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(ItemMonikerImpl));
 944
 945     if (!newItemMoniker)
 946         return STG_E_INSUFFICIENTMEMORY;
 947
 948     hr = ItemMonikerImpl_Construct(newItemMoniker,lpszDelim,lpszItem);
 949
 950     if (FAILED(hr)){
 951         HeapFree(GetProcessHeap(),0,newItemMoniker);
 952         return hr;
 953     }
 954
 955     return ItemMonikerImpl_QueryInterface(&newItemMoniker->IMoniker_iface,&IID_IMoniker,
 956                                           (void**)ppmk);
 957 }
 958
 959 HRESULT WINAPI ItemMoniker_CreateInstance(IClassFactory *iface,
 960     IUnknown *pUnk, REFIID riid, void **ppv)
 961 {
 962     ItemMonikerImpl* newItemMoniker;
 963     HRESULT  hr;
 964     static const WCHAR wszEmpty[] = { 0 };
 965
 966     TRACE("(%p, %s, %p)\n", pUnk, debugstr_guid(riid), ppv);
 967
 968     *ppv = NULL;
 969
 970     if (pUnk)
 971         return CLASS_E_NOAGGREGATION;
 972
 973     newItemMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(ItemMonikerImpl));
 974     if (!newItemMoniker)
 975         return E_OUTOFMEMORY;
 976
 977     hr = ItemMonikerImpl_Construct(newItemMoniker, wszEmpty, wszEmpty);
 978
 979     if (SUCCEEDED(hr))
 980         hr = ItemMonikerImpl_QueryInterface(&newItemMoniker->IMoniker_iface, riid, ppv);
 981     if (FAILED(hr))
 982         HeapFree(GetProcessHeap(),0,newItemMoniker);
 983
 984     return hr;
 985 }