dlls/ole32/itemmoniker.c

   1 /***************************************************************************************
   2  *                            ItemMonikers implementation
   3  *
   4  *           Copyright 1999  Noomen Hamza
   5  ***************************************************************************************/
   6
   7 #include <assert.h>
   8 #include "winerror.h"
   9 #include "winbase.h"
  10 #include "debugtools.h"
  11 #include "wine/winestring.h"
  12 #include "wine/obj_base.h"
  13 #include "wine/obj_misc.h"
  14 #include "wine/obj_storage.h"
  15 #include "wine/obj_moniker.h"
  16 #include "wine/obj_inplace.h"
  17 #include "wine/unicode.h"
  18
  19 DEFAULT_DEBUG_CHANNEL(ole);
  20
  21 /* ItemMoniker data structure */
  22 typedef struct ItemMonikerImpl{
  23
  24     ICOM_VTABLE(IMoniker)*  lpvtbl1;  /* VTable relative to the IMoniker interface.*/
  25
  26     /* The ROT (RunningObjectTable implementation) uses the IROTData interface to test whether
  27      * two monikers are equal. That's whay IROTData interface is implemented by monikers.
  28      */
  29     ICOM_VTABLE(IROTData)*  lpvtbl2;  /* VTable relative to the IROTData interface.*/
  30
  31     ULONG ref; /* reference counter for this object */
  32
  33     LPOLESTR itemName; /* item name identified by this ItemMoniker */
  34
  35     LPOLESTR itemDelimiter; /* Delimiter string */
  36
  37 } ItemMonikerImpl;
  38
  39 /********************************************************************************/
  40 /* ItemMoniker prototype functions :                                            */
  41
  42 /* IUnknown prototype functions */
  43 static HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject);
  44 static ULONG   WINAPI ItemMonikerImpl_AddRef(IMoniker* iface);
  45 static ULONG   WINAPI ItemMonikerImpl_Release(IMoniker* iface);
  46
  47 /* IPersist prototype functions */
  48 static HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface, CLSID *pClassID);
  49
  50 /* IPersistStream prototype functions */
  51 static HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface);
  52 static HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface, IStream* pStm);
  53 static HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty);
  54 static HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize);
  55
  56 /* IMoniker prototype functions */
  57 static HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
  58 static HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
  59 static HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,IBindCtx* pbc, DWORD dwReduceHowFar,IMoniker** ppmkToLeft, IMoniker** ppmkReduced);
  60 static HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,IMoniker* pmkRight,BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite);
  61 static HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker);
  62 static HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker);
  63 static HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash);
  64 static HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, IMoniker* pmkNewlyRunning);
  65 static HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft, FILETIME* pItemTime);
  66 static HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk);
  67 static HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther, IMoniker** ppmkPrefix);
  68 static HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath);
  69 static HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName);
  70 static HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR pszDisplayName, ULONG* pchEaten, IMoniker** ppmkOut);
  71 static HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys);
  72
  73 /* Local function used by ItemMoniker implementation */
  74 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* iface, LPCOLESTR lpszDelim,LPCOLESTR lpszPathName);
  75 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* iface);
  76
  77 /********************************************************************************/
  78 /* IROTData prototype functions                                                 */
  79
  80 /* IUnknown prototype functions */
  81 static HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData* iface,REFIID riid,VOID** ppvObject);
  82 static ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData* iface);
  83 static ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface);
  84
  85 /* IROTData prototype function */
  86 static HRESULT WINAPI ItemMonikerROTDataImpl_GetComparaisonData(IROTData* iface,BYTE* pbData,ULONG cbMax,ULONG* pcbData);
  87
  88 /********************************************************************************/
  89 /* Virtual function table for the ItemMonikerImpl class witch  include Ipersist,*/
  90 /* IPersistStream and IMoniker functions.                                       */
  91 static ICOM_VTABLE(IMoniker) VT_ItemMonikerImpl =
  92     {
  93     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  94     ItemMonikerImpl_QueryInterface,
  95     ItemMonikerImpl_AddRef,
  96     ItemMonikerImpl_Release,
  97     ItemMonikerImpl_GetClassID,
  98     ItemMonikerImpl_IsDirty,
  99     ItemMonikerImpl_Load,
 100     ItemMonikerImpl_Save,
 101     ItemMonikerImpl_GetSizeMax,
 102     ItemMonikerImpl_BindToObject,
 103     ItemMonikerImpl_BindToStorage,
 104     ItemMonikerImpl_Reduce,
 105     ItemMonikerImpl_ComposeWith,
 106     ItemMonikerImpl_Enum,
 107     ItemMonikerImpl_IsEqual,
 108     ItemMonikerImpl_Hash,
 109     ItemMonikerImpl_IsRunning,
 110     ItemMonikerImpl_GetTimeOfLastChange,
 111     ItemMonikerImpl_Inverse,
 112     ItemMonikerImpl_CommonPrefixWith,
 113     ItemMonikerImpl_RelativePathTo,
 114     ItemMonikerImpl_GetDisplayName,
 115     ItemMonikerImpl_ParseDisplayName,
 116     ItemMonikerImpl_IsSystemMoniker
 117 };
 118
 119 /********************************************************************************/
 120 /* Virtual function table for the IROTData class.                               */
 121 static ICOM_VTABLE(IROTData) VT_ROTDataImpl =
 122 {
 123     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 124     ItemMonikerROTDataImpl_QueryInterface,
 125     ItemMonikerROTDataImpl_AddRef,
 126     ItemMonikerROTDataImpl_Release,
 127     ItemMonikerROTDataImpl_GetComparaisonData
 128 };
 129
 130 /*******************************************************************************
 131  *        ItemMoniker_QueryInterface
 132  *******************************************************************************/
 133 HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
 134 {
 135     ICOM_THIS(ItemMonikerImpl,iface);
 136
 137   TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
 138
 139   /* Perform a sanity check on the parameters.*/
 140     if ( (This==0) || (ppvObject==0) )
 141         return E_INVALIDARG;
 142
 143   /* Initialize the return parameter */
 144   *ppvObject = 0;
 145
 146   /* Compare the riid with the interface IDs implemented by this object.*/
 147   if (IsEqualIID(&IID_IUnknown, riid) ||
 148       IsEqualIID(&IID_IPersist, riid) ||
 149       IsEqualIID(&IID_IPersistStream, riid) ||
 150       IsEqualIID(&IID_IMoniker, riid)
 151      )
 152       *ppvObject = iface;
 153
 154     else if (IsEqualIID(&IID_IROTData, riid))
 155         *ppvObject = (IROTData*)&(This->lpvtbl2);
 156
 157   /* Check that we obtained an interface.*/
 158     if ((*ppvObject)==0)
 159         return E_NOINTERFACE;
 160
 161    /* Query Interface always increases the reference count by one when it is successful */
 162   ItemMonikerImpl_AddRef(iface);
 163
 164   return S_OK;
 165 }
 166
 167 /******************************************************************************
 168  *        ItemMoniker_AddRef
 169  ******************************************************************************/
 170 ULONG WINAPI ItemMonikerImpl_AddRef(IMoniker* iface)
 171 {
 172     ICOM_THIS(ItemMonikerImpl,iface);
 173
 174     TRACE("(%p)\n",This);
 175
 176     return ++(This->ref);
 177 }
 178
 179 /******************************************************************************
 180  *        ItemMoniker_Release
 181  ******************************************************************************/
 182 ULONG WINAPI ItemMonikerImpl_Release(IMoniker* iface)
 183 {
 184     ICOM_THIS(ItemMonikerImpl,iface);
 185
 186     TRACE("(%p)\n",This);
 187
 188     This->ref--;
 189
 190     /* destroy the object if there's no more reference on it */
 191     if (This->ref==0){
 192
 193         ItemMonikerImpl_Destroy(This);
 194
 195         return 0;
 196     }
 197     return This->ref;;
 198 }
 199
 200 /******************************************************************************
 201  *        ItemMoniker_GetClassID
 202  ******************************************************************************/
 203 HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
 204 {
 205     TRACE("(%p,%p),stub!\n",iface,pClassID);
 206
 207     if (pClassID==NULL)
 208         return E_POINTER;
 209
 210     *pClassID = CLSID_ItemMoniker;
 211
 212     return S_OK;
 213 }
 214
 215 /******************************************************************************
 216  *        ItemMoniker_IsDirty
 217  ******************************************************************************/
 218 HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface)
 219 {
 220     /* Note that the OLE-provided implementations of the IPersistStream::IsDirty
 221        method in the OLE-provided moniker interfaces always return S_FALSE because
 222        their internal state never changes. */
 223
 224     TRACE("(%p)\n",iface);
 225
 226     return S_FALSE;
 227 }
 228
 229 /******************************************************************************
 230  *        ItemMoniker_Load
 231  ******************************************************************************/
 232 HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface,IStream* pStm)
 233 {
 234
 235     ICOM_THIS(ItemMonikerImpl,iface);
 236     HRESULT res;
 237     DWORD delimiterLength,nameLength;
 238     CHAR *itemNameA,*itemDelimiterA;
 239     ULONG bread;
 240
 241     /* for more details about data read by this function see coments of ItemMonikerImpl_Save function */
 242
 243     /* read item delimiter string length + 1 */
 244     res=IStream_Read(pStm,&delimiterLength,sizeof(DWORD),&bread);
 245     if (bread != sizeof(DWORD))
 246         return E_FAIL;
 247
 248     /* read item delimiter string */
 249     itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength);
 250     res=IStream_Read(pStm,itemDelimiterA,delimiterLength,&bread);
 251     if (bread != delimiterLength)
 252         return E_FAIL;
 253
 254     This->itemDelimiter=HeapReAlloc(GetProcessHeap(),0,This->itemDelimiter,delimiterLength*sizeof(WCHAR));
 255     if (!This->itemDelimiter)
 256         return E_OUTOFMEMORY;
 257
 258     lstrcpyAtoW(This->itemDelimiter,itemDelimiterA);
 259
 260     /* read item name string length + 1*/
 261     res=IStream_Read(pStm,&nameLength,sizeof(DWORD),&bread);
 262     if (bread != sizeof(DWORD))
 263         return E_FAIL;
 264
 265     /* read item name string */
 266     itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength);
 267     res=IStream_Read(pStm,itemNameA,nameLength,&bread);
 268     if (bread != nameLength)
 269         return E_FAIL;
 270
 271     This->itemName=HeapReAlloc(GetProcessHeap(),0,This->itemName,nameLength*sizeof(WCHAR));
 272     if (!This->itemName)
 273         return E_OUTOFMEMORY;
 274
 275     lstrcpyAtoW(This->itemName,itemNameA);
 276
 277     return res;
 278 }
 279
 280 /******************************************************************************
 281  *        ItemMoniker_Save
 282  ******************************************************************************/
 283 HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface,
 284                                     IStream* pStm,/* pointer to the stream where the object is to be saved */
 285                                     BOOL fClearDirty)/* Specifies whether to clear the dirty flag */
 286 {
 287     ICOM_THIS(ItemMonikerImpl,iface);
 288     HRESULT res;
 289     DWORD delimiterLength=lstrlenW(This->itemDelimiter)+1;
 290     DWORD nameLength=lstrlenW(This->itemName)+1;
 291     CHAR *itemNameA,*itemDelimiterA;
 292
 293     /* data writen by this function are : 1) DWORD : size of item delimiter string ('\0' included ) */
 294     /*                                    2) String (type A): item delimiter string ('\0' included)          */
 295     /*                                    3) DWORD : size of item name string ('\0' included)       */
 296     /*                                    4) String (type A): item name string ('\0' included)               */
 297
 298     itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength);
 299     itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength);
 300     lstrcpyWtoA(itemNameA,This->itemName);
 301     lstrcpyWtoA(itemDelimiterA,This->itemDelimiter);
 302
 303     res=IStream_Write(pStm,&delimiterLength,sizeof(DWORD),NULL);
 304     res=IStream_Write(pStm,itemDelimiterA,delimiterLength * sizeof(CHAR),NULL);
 305     res=IStream_Write(pStm,&nameLength,sizeof(DWORD),NULL);
 306     res=IStream_Write(pStm,itemNameA,nameLength * sizeof(CHAR),NULL);
 307
 308     return res;
 309 }
 310
 311 /******************************************************************************
 312  *        ItemMoniker_GetSizeMax
 313  ******************************************************************************/
 314 HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface,
 315                                           ULARGE_INTEGER* pcbSize)/* Pointer to size of stream needed to save object */
 316 {
 317     ICOM_THIS(ItemMonikerImpl,iface);
 318     DWORD delimiterLength=lstrlenW(This->itemDelimiter)+1;
 319     DWORD nameLength=lstrlenW(This->itemName)+1;
 320
 321     TRACE("(%p,%p)\n",iface,pcbSize);
 322
 323     if (pcbSize!=NULL)
 324         return E_POINTER;
 325
 326     /* for more details see ItemMonikerImpl_Save coments */
 327
 328     pcbSize->s.LowPart =  sizeof(DWORD) + /* DWORD witch contains delimiter length */
 329                         delimiterLength + /* item delimiter string */
 330                         sizeof(DWORD) + /* DWORD witch contains item name length */
 331                         nameLength + /* item name string */
 332                         34; /* this constant was added ! because when I tested this function it usually */
 333                             /*  returns 34 bytes more than the number of bytes used by IMoniker::Save function */
 334     pcbSize->s.HighPart=0;
 335
 336     return S_OK;
 337 }
 338
 339 /******************************************************************************
 340  *         ItemMoniker_Construct (local function)
 341  *******************************************************************************/
 342 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* This, LPCOLESTR lpszDelim,LPCOLESTR lpszItem)
 343 {
 344
 345     int sizeStr1=lstrlenW(lpszItem);
 346     int sizeStr2=lstrlenW(lpszDelim);
 347
 348     TRACE("(%p,%p)\n",This,lpszItem);
 349
 350     /* Initialize the virtual fgunction table. */
 351     This->lpvtbl1      = &VT_ItemMonikerImpl;
 352     This->lpvtbl2      = &VT_ROTDataImpl;
 353     This->ref          = 0;
 354
 355     This->itemName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr1+1));
 356     This->itemDelimiter=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr2+1));
 357
 358     if ((This->itemName==NULL)||(This->itemDelimiter==NULL))
 359         return E_OUTOFMEMORY;
 360
 361     strcpyW(This->itemName,lpszItem);
 362     strcpyW(This->itemDelimiter,lpszDelim);
 363
 364     return S_OK;
 365 }
 366
 367 /******************************************************************************
 368  *        ItemMoniker_Destroy (local function)
 369  *******************************************************************************/
 370 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* This)
 371 {
 372     TRACE("(%p)\n",This);
 373
 374     if (This->itemName)
 375         HeapFree(GetProcessHeap(),0,This->itemName);
 376
 377     if (This->itemDelimiter)
 378         HeapFree(GetProcessHeap(),0,This->itemDelimiter);
 379
 380     HeapFree(GetProcessHeap(),0,This);
 381
 382     return S_OK;
 383 }
 384
 385 /******************************************************************************
 386  *                  ItemMoniker_BindToObject
 387  ******************************************************************************/
 388 HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,
 389                                             IBindCtx* pbc,
 390                                             IMoniker* pmkToLeft,
 391                                             REFIID riid,
 392                                             VOID** ppvResult)
 393 {
 394     ICOM_THIS(ItemMonikerImpl,iface);
 395
 396     HRESULT   res;
 397     IID    refid=IID_IOleItemContainer;
 398     IOleItemContainer *poic=0;
 399
 400     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 401
 402     if(ppvResult ==NULL)
 403         return E_POINTER;
 404
 405     if(pmkToLeft==NULL)
 406         return E_INVALIDARG;
 407
 408     *ppvResult=0;
 409
 410     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&refid,(void**)&poic);
 411
 412     if (SUCCEEDED(res)){
 413
 414         res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,riid,ppvResult);
 415
 416         IOleItemContainer_Release(poic);
 417     }
 418
 419     return res;
 420 }
 421
 422 /******************************************************************************
 423  *        ItemMoniker_BindToStorage
 424  ******************************************************************************/
 425 HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,
 426                                              IBindCtx* pbc,
 427                                              IMoniker* pmkToLeft,
 428                                              REFIID riid,
 429                                              VOID** ppvResult)
 430 {
 431     ICOM_THIS(ItemMonikerImpl,iface);
 432
 433     HRESULT   res;
 434     IOleItemContainer *poic=0;
 435
 436     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 437
 438     *ppvResult=0;
 439
 440     if(pmkToLeft==NULL)
 441         return E_INVALIDARG;
 442
 443     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 444
 445     if (SUCCEEDED(res)){
 446
 447         res=IOleItemContainer_GetObjectStorage(poic,This->itemName,pbc,riid,ppvResult);
 448
 449         IOleItemContainer_Release(poic);
 450     }
 451
 452     return res;
 453 }
 454
 455 /******************************************************************************
 456  *        ItemMoniker_Reduce
 457  ******************************************************************************/
 458 HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,
 459                                       IBindCtx* pbc,
 460                                       DWORD dwReduceHowFar,
 461                                       IMoniker** ppmkToLeft,
 462                                       IMoniker** ppmkReduced)
 463 {
 464     TRACE("(%p,%p,%ld,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
 465
 466     if (ppmkReduced==NULL)
 467         return E_POINTER;
 468
 469     ItemMonikerImpl_AddRef(iface);
 470
 471     *ppmkReduced=iface;
 472
 473     return MK_S_REDUCED_TO_SELF;
 474 }
 475 /******************************************************************************
 476  *        ItemMoniker_ComposeWith
 477  ******************************************************************************/
 478 HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,
 479                                            IMoniker* pmkRight,
 480                                            BOOL fOnlyIfNotGeneric,
 481                                            IMoniker** ppmkComposite)
 482 {
 483     HRESULT res=S_OK;
 484     DWORD mkSys,mkSys2;
 485     IEnumMoniker* penumMk=0;
 486     IMoniker *pmostLeftMk=0;
 487     IMoniker* tempMkComposite=0;
 488
 489     TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
 490
 491     if ((ppmkComposite==NULL)||(pmkRight==NULL))
 492         return E_POINTER;
 493
 494     *ppmkComposite=0;
 495
 496     IMoniker_IsSystemMoniker(pmkRight,&mkSys);
 497
 498     /* If pmkRight is an anti-moniker, the returned moniker is NULL */
 499     if(mkSys==MKSYS_ANTIMONIKER)
 500         return res;
 501
 502     else
 503         /* if pmkRight is a composite whose leftmost component is an anti-moniker,           */
 504         /* the returned moniker is the composite after the leftmost anti-moniker is removed. */
 505
 506          if(mkSys==MKSYS_GENERICCOMPOSITE){
 507
 508             res=IMoniker_Enum(pmkRight,TRUE,&penumMk);
 509
 510             if (FAILED(res))
 511                 return res;
 512
 513             res=IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL);
 514
 515             IMoniker_IsSystemMoniker(pmostLeftMk,&mkSys2);
 516
 517             if(mkSys2==MKSYS_ANTIMONIKER){
 518
 519                 IMoniker_Release(pmostLeftMk);
 520
 521                 tempMkComposite=iface;
 522                 IMoniker_AddRef(iface);
 523
 524                 while(IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL)==S_OK){
 525
 526                     res=CreateGenericComposite(tempMkComposite,pmostLeftMk,ppmkComposite);
 527
 528                     IMoniker_Release(tempMkComposite);
 529                     IMoniker_Release(pmostLeftMk);
 530
 531                     tempMkComposite=*ppmkComposite;
 532                     IMoniker_AddRef(tempMkComposite);
 533 }
 534                 return res;
 535             }
 536             else
 537                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 538          }
 539          /* If pmkRight is not an anti-moniker, the method combines the two monikers into a generic
 540           composite if fOnlyIfNotGeneric is FALSE; if fOnlyIfNotGeneric is TRUE, the method returns
 541           a NULL moniker and a return value of MK_E_NEEDGENERIC */
 542           else
 543             if (!fOnlyIfNotGeneric)
 544                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 545
 546             else
 547                 return MK_E_NEEDGENERIC;
 548 }
 549
 550 /******************************************************************************
 551  *        ItemMoniker_Enum
 552  ******************************************************************************/
 553 HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
 554 {
 555     TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
 556
 557     if (ppenumMoniker == NULL)
 558         return E_POINTER;
 559
 560     *ppenumMoniker = NULL;
 561
 562     return S_OK;
 563 }
 564
 565 /******************************************************************************
 566  *        ItemMoniker_IsEqual
 567  ******************************************************************************/
 568 HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
 569 {
 570
 571     CLSID clsid;
 572     LPOLESTR dispName1,dispName2;
 573     IBindCtx* bind;
 574     HRESULT res;
 575
 576     TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
 577
 578     if (pmkOtherMoniker==NULL)
 579         return S_FALSE;
 580
 581     /* This method returns S_OK if both monikers are item monikers and their display names are */
 582     /* identical (using a case-insensitive comparison); otherwise, the method returns S_FALSE. */
 583
 584     IMoniker_GetClassID(pmkOtherMoniker,&clsid);
 585
 586     if (!IsEqualCLSID(&clsid,&CLSID_ItemMoniker))
 587         return S_FALSE;
 588
 589     res=CreateBindCtx(0,&bind);
 590     if (FAILED(res))
 591         return res;
 592
 593     IMoniker_GetDisplayName(iface,bind,NULL,&dispName1);
 594     IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&dispName2);
 595
 596     if (lstrcmpW(dispName1,dispName2)!=0)
 597         return S_FALSE;
 598
 599     return S_OK;
 600 }
 601
 602 /******************************************************************************
 603  *        ItemMoniker_Hash
 604  ******************************************************************************/
 605 HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
 606 {
 607     ICOM_THIS(ItemMonikerImpl,iface);
 608
 609     int  h = 0,i,skip,len;
 610     int  off = 0;
 611     LPOLESTR val;
 612
 613     if (pdwHash==NULL)
 614         return E_POINTER;
 615
 616     val =  This->itemName;
 617     len = lstrlenW(val);
 618
 619     if (len < 16) {
 620         for (i = len ; i > 0; i--) {
 621             h = (h * 37) + val[off++];
 622 }
 623     } else {
 624         /* only sample some characters */
 625         skip = len / 8;
 626         for (i = len ; i > 0; i -= skip, off += skip) {
 627             h = (h * 39) + val[off];
 628         }
 629     }
 630
 631     *pdwHash=h;
 632
 633     return S_OK;
 634 }
 635
 636 /******************************************************************************
 637  *        ItemMoniker_IsRunning
 638  ******************************************************************************/
 639 HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,
 640                                          IBindCtx* pbc,
 641                                          IMoniker* pmkToLeft,
 642                                          IMoniker* pmkNewlyRunning)
 643 {
 644     IRunningObjectTable* rot;
 645     HRESULT res;
 646     IOleItemContainer *poic=0;
 647     ICOM_THIS(ItemMonikerImpl,iface);
 648
 649     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
 650
 651     /* If pmkToLeft is NULL, this method returns TRUE if pmkNewlyRunning is non-NULL and is equal to this */
 652     /* moniker. Otherwise, the method checks the ROT to see whether this moniker is running.              */
 653     if (pmkToLeft==NULL)
 654         if ((pmkNewlyRunning!=NULL)&&(IMoniker_IsEqual(pmkNewlyRunning,iface)==S_OK))
 655             return S_OK;
 656         else {
 657             if (pbc==NULL)
 658                 return E_POINTER;
 659
 660             res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 661
 662             if (FAILED(res))
 663                 return res;
 664
 665             res = IRunningObjectTable_IsRunning(rot,iface);
 666
 667             IRunningObjectTable_Release(rot);
 668         }
 669     else{
 670
 671         /* If pmkToLeft is non-NULL, the method calls IMoniker::BindToObject on the pmkToLeft parameter,         */
 672         /* requesting an IOleItemContainer interface pointer. The method then calls IOleItemContainer::IsRunning,*/
 673         /* passing the string contained within this moniker. */
 674
 675         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 676
 677         if (SUCCEEDED(res)){
 678
 679             res=IOleItemContainer_IsRunning(poic,This->itemName);
 680
 681             IOleItemContainer_Release(poic);
 682         }
 683     }
 684
 685     return res;
 686 }
 687
 688 /******************************************************************************
 689  *        ItemMoniker_GetTimeOfLastChange
 690  ******************************************************************************/
 691 HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface,
 692                                                    IBindCtx* pbc,
 693                                                    IMoniker* pmkToLeft,
 694                                                    FILETIME* pItemTime)
 695 {
 696     IRunningObjectTable* rot;
 697     HRESULT res;
 698     IMoniker *compositeMk;
 699
 700     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pItemTime);
 701
 702     if (pItemTime==NULL)
 703         return E_INVALIDARG;
 704
 705     /* If pmkToLeft is NULL, this method returns MK_E_NOTBINDABLE */
 706     if (pmkToLeft==NULL)
 707
 708         return MK_E_NOTBINDABLE;
 709     else {
 710
 711         /* Otherwise, the method creates a composite of pmkToLeft and this moniker and uses the ROT to access  */
 712         /* the time of last change. If the object is not in the ROT, the method calls                          */
 713         /* IMoniker::GetTimeOfLastChange on the pmkToLeft parameter.                                            */
 714
 715         res=CreateGenericComposite(pmkToLeft,iface,&compositeMk);
 716
 717         res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 718
 719         if (IRunningObjectTable_GetTimeOfLastChange(rot,compositeMk,pItemTime)!=S_OK)
 720
 721             res=IMoniker_GetTimeOfLastChange(pmkToLeft,pbc,NULL,pItemTime);
 722
 723         IMoniker_Release(compositeMk);
 724 }
 725
 726     return res;
 727 }
 728
 729 /******************************************************************************
 730  *        ItemMoniker_Inverse
 731  ******************************************************************************/
 732 HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
 733 {
 734     TRACE("(%p,%p)\n",iface,ppmk);
 735
 736     if (ppmk==NULL)
 737         return E_POINTER;
 738
 739     return CreateAntiMoniker(ppmk);
 740 }
 741
 742 /******************************************************************************
 743  *        ItemMoniker_CommonPrefixWith
 744  ******************************************************************************/
 745 HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
 746 {
 747     DWORD mkSys;
 748     IMoniker_IsSystemMoniker(pmkOther,&mkSys);
 749     /* If the other moniker is an item moniker that is equal to this moniker, this method sets *ppmkPrefix */
 750     /* to this moniker and returns MK_S_US */
 751
 752     if((mkSys==MKSYS_ITEMMONIKER) && (IMoniker_IsEqual(iface,pmkOther)==S_OK) ){
 753
 754         *ppmkPrefix=iface;
 755
 756         IMoniker_AddRef(iface);
 757
 758         return MK_S_US;
 759     }
 760     else
 761         /* otherwise, the method calls the MonikerCommonPrefixWith function. This function correctly handles */
 762         /* the case where the other moniker is a generic composite. */
 763         return MonikerCommonPrefixWith(iface,pmkOther,ppmkPrefix);
 764 }
 765
 766 /******************************************************************************
 767  *        ItemMoniker_RelativePathTo
 768  ******************************************************************************/
 769 HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
 770 {
 771     TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
 772
 773     if (ppmkRelPath==NULL)
 774         return E_POINTER;
 775
 776     *ppmkRelPath=0;
 777
 778     return MK_E_NOTBINDABLE;
 779 }
 780
 781 /******************************************************************************
 782  *        ItemMoniker_GetDisplayName
 783  ******************************************************************************/
 784 HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,
 785                                               IBindCtx* pbc,
 786                                               IMoniker* pmkToLeft,
 787                                               LPOLESTR *ppszDisplayName)
 788 {
 789     ICOM_THIS(ItemMonikerImpl,iface);
 790
 791     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
 792
 793     if (ppszDisplayName==NULL)
 794         return E_POINTER;
 795
 796     if (pmkToLeft!=NULL){
 797         return E_INVALIDARG;
 798     }
 799
 800     *ppszDisplayName=CoTaskMemAlloc(sizeof(WCHAR)*(lstrlenW(This->itemDelimiter)+lstrlenW(This->itemName)+1));
 801
 802     if (*ppszDisplayName==NULL)
 803         return E_OUTOFMEMORY;
 804
 805     strcpyW(*ppszDisplayName,This->itemDelimiter);
 806     strcatW(*ppszDisplayName,This->itemName);
 807
 808     return S_OK;
 809 }
 810
 811 /******************************************************************************
 812  *        ItemMoniker_ParseDisplayName
 813  ******************************************************************************/
 814 HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,
 815                                                 IBindCtx* pbc,
 816                                                 IMoniker* pmkToLeft,
 817                                                 LPOLESTR pszDisplayName,
 818                                                 ULONG* pchEaten,
 819                                                 IMoniker** ppmkOut)
 820 {
 821     IOleItemContainer* poic=0;
 822     IParseDisplayName* ppdn=0;
 823     LPOLESTR displayName;
 824     HRESULT res;
 825     ICOM_THIS(ItemMonikerImpl,iface);
 826
 827     /* If pmkToLeft is NULL, this method returns MK_E_SYNTAX */
 828     if (pmkToLeft==NULL)
 829
 830         return MK_E_SYNTAX;
 831
 832     else{
 833         /* Otherwise, the method calls IMoniker::BindToObject on the pmkToLeft parameter, requesting an */
 834         /* IParseDisplayName interface pointer to the object identified by the moniker, and passes the display */        /* name to IParseDisplayName::ParseDisplayName */
 835         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 836
 837         if (SUCCEEDED(res)){
 838
 839             res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,&IID_IParseDisplayName,(void**)&ppdn);
 840
 841             res=IMoniker_GetDisplayName(iface,pbc,NULL,&displayName);
 842
 843             res=IParseDisplayName_ParseDisplayName(ppdn,pbc,displayName,pchEaten,ppmkOut);
 844
 845             IOleItemContainer_Release(poic);
 846             IParseDisplayName_Release(ppdn);
 847         }
 848 }
 849     return res;
 850 }
 851
 852 /******************************************************************************
 853  *        ItemMoniker_IsSystemMonker
 854  ******************************************************************************/
 855 HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
 856 {
 857     TRACE("(%p,%p)\n",iface,pwdMksys);
 858
 859     if (!pwdMksys)
 860         return E_POINTER;
 861
 862     (*pwdMksys)=MKSYS_ITEMMONIKER;
 863
 864     return S_OK;
 865 }
 866
 867 /*******************************************************************************
 868  *        ItemMonikerIROTData_QueryInterface
 869  *******************************************************************************/
 870 HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,VOID** ppvObject)
 871 {
 872
 873     ICOM_THIS_From_IROTData(IMoniker, iface);
 874
 875     TRACE("(%p,%p,%p)\n",iface,riid,ppvObject);
 876
 877     return ItemMonikerImpl_QueryInterface(This, riid, ppvObject);
 878 }
 879
 880 /***********************************************************************
 881  *        ItemMonikerIROTData_AddRef
 882  */
 883 ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData *iface)
 884 {
 885     ICOM_THIS_From_IROTData(IMoniker, iface);
 886
 887     TRACE("(%p)\n",iface);
 888
 889     return ItemMonikerImpl_AddRef(This);
 890 }
 891
 892 /***********************************************************************
 893  *        ItemMonikerIROTData_Release
 894  */
 895 ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface)
 896 {
 897     ICOM_THIS_From_IROTData(IMoniker, iface);
 898
 899     TRACE("(%p)\n",iface);
 900
 901     return ItemMonikerImpl_Release(This);
 902 }
 903
 904 /******************************************************************************
 905  *        ItemMonikerIROTData_GetComparaisonData
 906  ******************************************************************************/
 907 HRESULT WINAPI ItemMonikerROTDataImpl_GetComparaisonData(IROTData* iface,
 908                                                          BYTE* pbData,
 909                                                          ULONG cbMax,
 910                                                          ULONG* pcbData)
 911 {
 912     FIXME("(),stub!\n");
 913     return E_NOTIMPL;
 914 }
 915
 916 /******************************************************************************
 917  *        CreateItemMoniker16   [OLE2.28]
 918  ******************************************************************************/
 919 HRESULT WINAPI CreateItemMoniker16(LPCOLESTR16 lpszDelim,LPCOLESTR  lpszItem,LPMONIKER* ppmk)
 920 {
 921
 922     FIXME("(%s,%p),stub!\n",lpszDelim,ppmk);
 923     *ppmk = NULL;
 924     return E_NOTIMPL;
 925 }
 926
 927 /******************************************************************************
 928  *        CreateItemMoniker     [OLE.55]
 929  ******************************************************************************/
 930 HRESULT WINAPI CreateItemMoniker(LPCOLESTR lpszDelim,LPCOLESTR  lpszItem, LPMONIKER * ppmk)
 931 {
 932     ItemMonikerImpl* newItemMoniker = 0;
 933     HRESULT        hr = S_OK;
 934     IID riid=IID_IMoniker;
 935
 936     TRACE("(%p,%p,%p)\n",lpszDelim,lpszItem,ppmk);
 937
 938     newItemMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(ItemMonikerImpl));
 939
 940     if (newItemMoniker == 0)
 941         return STG_E_INSUFFICIENTMEMORY;
 942
 943     hr = ItemMonikerImpl_Construct(newItemMoniker,lpszDelim,lpszItem);
 944
 945     if (FAILED(hr)){
 946
 947         HeapFree(GetProcessHeap(),0,newItemMoniker);
 948     return hr;
 949     }
 950
 951     return ItemMonikerImpl_QueryInterface((IMoniker*)newItemMoniker,&riid,(void**)ppmk);
 952 }