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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  ***************************************************************************************/
  20
  21 #include <assert.h>
  22 #include <string.h>
  23 #include "winerror.h"
  24 #include "winbase.h"
  25 #include "winnls.h"
  26 #include "wine/debug.h"
  27 #include "wine/obj_base.h"
  28 #include "wine/obj_misc.h"
  29 #include "wine/obj_storage.h"
  30 #include "wine/obj_moniker.h"
  31 #include "wine/obj_inplace.h"
  32 #include "wine/unicode.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  35
  36 /* ItemMoniker data structure */
  37 typedef struct ItemMonikerImpl{
  38
  39     ICOM_VTABLE(IMoniker)*  lpvtbl1;  /* VTable relative to the IMoniker interface.*/
  40
  41     /* The ROT (RunningObjectTable implementation) uses the IROTData interface to test whether
  42      * two monikers are equal. That's whay IROTData interface is implemented by monikers.
  43      */
  44     ICOM_VTABLE(IROTData)*  lpvtbl2;  /* VTable relative to the IROTData interface.*/
  45
  46     ULONG ref; /* reference counter for this object */
  47
  48     LPOLESTR itemName; /* item name identified by this ItemMoniker */
  49
  50     LPOLESTR itemDelimiter; /* Delimiter string */
  51
  52 } ItemMonikerImpl;
  53
  54 /********************************************************************************/
  55 /* ItemMoniker prototype functions :                                            */
  56
  57 /* IUnknown prototype functions */
  58 static HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject);
  59 static ULONG   WINAPI ItemMonikerImpl_AddRef(IMoniker* iface);
  60 static ULONG   WINAPI ItemMonikerImpl_Release(IMoniker* iface);
  61
  62 /* IPersist prototype functions */
  63 static HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface, CLSID *pClassID);
  64
  65 /* IPersistStream prototype functions */
  66 static HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface);
  67 static HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface, IStream* pStm);
  68 static HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty);
  69 static HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize);
  70
  71 /* IMoniker prototype functions */
  72 static HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
  73 static HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
  74 static HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,IBindCtx* pbc, DWORD dwReduceHowFar,IMoniker** ppmkToLeft, IMoniker** ppmkReduced);
  75 static HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,IMoniker* pmkRight,BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite);
  76 static HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker);
  77 static HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker);
  78 static HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash);
  79 static HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, IMoniker* pmkNewlyRunning);
  80 static HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft, FILETIME* pItemTime);
  81 static HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk);
  82 static HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther, IMoniker** ppmkPrefix);
  83 static HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath);
  84 static HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName);
  85 static HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR pszDisplayName, ULONG* pchEaten, IMoniker** ppmkOut);
  86 static HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys);
  87
  88 /* Local function used by ItemMoniker implementation */
  89 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* iface, LPCOLESTR lpszDelim,LPCOLESTR lpszPathName);
  90 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* iface);
  91
  92 /********************************************************************************/
  93 /* IROTData prototype functions                                                 */
  94
  95 /* IUnknown prototype functions */
  96 static HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData* iface,REFIID riid,VOID** ppvObject);
  97 static ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData* iface);
  98 static ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface);
  99
 100 /* IROTData prototype function */
 101 static HRESULT WINAPI ItemMonikerROTDataImpl_GetComparaisonData(IROTData* iface,BYTE* pbData,ULONG cbMax,ULONG* pcbData);
 102
 103 /********************************************************************************/
 104 /* Virtual function table for the ItemMonikerImpl class which  include IPersist,*/
 105 /* IPersistStream and IMoniker functions.                                       */
 106 static ICOM_VTABLE(IMoniker) VT_ItemMonikerImpl =
 107     {
 108     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 109     ItemMonikerImpl_QueryInterface,
 110     ItemMonikerImpl_AddRef,
 111     ItemMonikerImpl_Release,
 112     ItemMonikerImpl_GetClassID,
 113     ItemMonikerImpl_IsDirty,
 114     ItemMonikerImpl_Load,
 115     ItemMonikerImpl_Save,
 116     ItemMonikerImpl_GetSizeMax,
 117     ItemMonikerImpl_BindToObject,
 118     ItemMonikerImpl_BindToStorage,
 119     ItemMonikerImpl_Reduce,
 120     ItemMonikerImpl_ComposeWith,
 121     ItemMonikerImpl_Enum,
 122     ItemMonikerImpl_IsEqual,
 123     ItemMonikerImpl_Hash,
 124     ItemMonikerImpl_IsRunning,
 125     ItemMonikerImpl_GetTimeOfLastChange,
 126     ItemMonikerImpl_Inverse,
 127     ItemMonikerImpl_CommonPrefixWith,
 128     ItemMonikerImpl_RelativePathTo,
 129     ItemMonikerImpl_GetDisplayName,
 130     ItemMonikerImpl_ParseDisplayName,
 131     ItemMonikerImpl_IsSystemMoniker
 132 };
 133
 134 /********************************************************************************/
 135 /* Virtual function table for the IROTData class.                               */
 136 static ICOM_VTABLE(IROTData) VT_ROTDataImpl =
 137 {
 138     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 139     ItemMonikerROTDataImpl_QueryInterface,
 140     ItemMonikerROTDataImpl_AddRef,
 141     ItemMonikerROTDataImpl_Release,
 142     ItemMonikerROTDataImpl_GetComparaisonData
 143 };
 144
 145 /*******************************************************************************
 146  *        ItemMoniker_QueryInterface
 147  *******************************************************************************/
 148 HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
 149 {
 150     ICOM_THIS(ItemMonikerImpl,iface);
 151
 152   TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
 153
 154   /* Perform a sanity check on the parameters.*/
 155     if ( (This==0) || (ppvObject==0) )
 156         return E_INVALIDARG;
 157
 158   /* Initialize the return parameter */
 159   *ppvObject = 0;
 160
 161   /* Compare the riid with the interface IDs implemented by this object.*/
 162   if (IsEqualIID(&IID_IUnknown, riid) ||
 163       IsEqualIID(&IID_IPersist, riid) ||
 164       IsEqualIID(&IID_IPersistStream, riid) ||
 165       IsEqualIID(&IID_IMoniker, riid)
 166      )
 167       *ppvObject = iface;
 168
 169     else if (IsEqualIID(&IID_IROTData, riid))
 170         *ppvObject = (IROTData*)&(This->lpvtbl2);
 171
 172   /* Check that we obtained an interface.*/
 173     if ((*ppvObject)==0)
 174         return E_NOINTERFACE;
 175
 176    /* Query Interface always increases the reference count by one when it is successful */
 177   ItemMonikerImpl_AddRef(iface);
 178
 179   return S_OK;
 180 }
 181
 182 /******************************************************************************
 183  *        ItemMoniker_AddRef
 184  ******************************************************************************/
 185 ULONG WINAPI ItemMonikerImpl_AddRef(IMoniker* iface)
 186 {
 187     ICOM_THIS(ItemMonikerImpl,iface);
 188
 189     TRACE("(%p)\n",This);
 190
 191     return ++(This->ref);
 192 }
 193
 194 /******************************************************************************
 195  *        ItemMoniker_Release
 196  ******************************************************************************/
 197 ULONG WINAPI ItemMonikerImpl_Release(IMoniker* iface)
 198 {
 199     ICOM_THIS(ItemMonikerImpl,iface);
 200
 201     TRACE("(%p)\n",This);
 202
 203     This->ref--;
 204
 205     /* destroy the object if there's no more reference on it */
 206     if (This->ref==0){
 207
 208         ItemMonikerImpl_Destroy(This);
 209
 210         return 0;
 211     }
 212     return This->ref;;
 213 }
 214
 215 /******************************************************************************
 216  *        ItemMoniker_GetClassID
 217  ******************************************************************************/
 218 HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
 219 {
 220     TRACE("(%p,%p),stub!\n",iface,pClassID);
 221
 222     if (pClassID==NULL)
 223         return E_POINTER;
 224
 225     *pClassID = CLSID_ItemMoniker;
 226
 227     return S_OK;
 228 }
 229
 230 /******************************************************************************
 231  *        ItemMoniker_IsDirty
 232  ******************************************************************************/
 233 HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface)
 234 {
 235     /* Note that the OLE-provided implementations of the IPersistStream::IsDirty
 236        method in the OLE-provided moniker interfaces always return S_FALSE because
 237        their internal state never changes. */
 238
 239     TRACE("(%p)\n",iface);
 240
 241     return S_FALSE;
 242 }
 243
 244 /******************************************************************************
 245  *        ItemMoniker_Load
 246  ******************************************************************************/
 247 HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface,IStream* pStm)
 248 {
 249
 250     ICOM_THIS(ItemMonikerImpl,iface);
 251     HRESULT res;
 252     DWORD delimiterLength,nameLength,lenW;
 253     CHAR *itemNameA,*itemDelimiterA;
 254     ULONG bread;
 255
 256     /* for more details about data read by this function see coments of ItemMonikerImpl_Save function */
 257
 258     /* read item delimiter string length + 1 */
 259     res=IStream_Read(pStm,&delimiterLength,sizeof(DWORD),&bread);
 260     if (bread != sizeof(DWORD))
 261         return E_FAIL;
 262
 263     /* read item delimiter string */
 264     if (!(itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength)))
 265         return E_OUTOFMEMORY;
 266     res=IStream_Read(pStm,itemDelimiterA,delimiterLength,&bread);
 267     if (bread != delimiterLength)
 268     {
 269         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 270         return E_FAIL;
 271     }
 272
 273     lenW = MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, NULL, 0 );
 274     This->itemDelimiter=HeapReAlloc(GetProcessHeap(),0,This->itemDelimiter,lenW*sizeof(WCHAR));
 275     if (!This->itemDelimiter)
 276     {
 277         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 278         return E_OUTOFMEMORY;
 279     }
 280     MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, This->itemDelimiter, lenW );
 281     HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 282
 283     /* read item name string length + 1*/
 284     res=IStream_Read(pStm,&nameLength,sizeof(DWORD),&bread);
 285     if (bread != sizeof(DWORD))
 286         return E_FAIL;
 287
 288     /* read item name string */
 289     if (!(itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength)))
 290         return E_OUTOFMEMORY;
 291     res=IStream_Read(pStm,itemNameA,nameLength,&bread);
 292     if (bread != nameLength)
 293     {
 294         HeapFree( GetProcessHeap(), 0, itemNameA );
 295         return E_FAIL;
 296     }
 297
 298     lenW = MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, NULL, 0 );
 299     This->itemName=HeapReAlloc(GetProcessHeap(),0,This->itemName,lenW*sizeof(WCHAR));
 300     if (!This->itemName)
 301     {
 302         HeapFree( GetProcessHeap(), 0, itemNameA );
 303         return E_OUTOFMEMORY;
 304     }
 305     MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, This->itemName, lenW );
 306     HeapFree( GetProcessHeap(), 0, itemNameA );
 307
 308     return res;
 309 }
 310
 311 /******************************************************************************
 312  *        ItemMoniker_Save
 313  ******************************************************************************/
 314 HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface,
 315                                     IStream* pStm,/* pointer to the stream where the object is to be saved */
 316                                     BOOL fClearDirty)/* Specifies whether to clear the dirty flag */
 317 {
 318     ICOM_THIS(ItemMonikerImpl,iface);
 319     HRESULT res;
 320     CHAR *itemNameA,*itemDelimiterA;
 321
 322     /* data writen by this function are : 1) DWORD : size of item delimiter string ('\0' included ) */
 323     /*                                    2) String (type A): item delimiter string ('\0' included)          */
 324     /*                                    3) DWORD : size of item name string ('\0' included)       */
 325     /*                                    4) String (type A): item name string ('\0' included)               */
 326
 327     DWORD nameLength = WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, NULL, 0, NULL, NULL);
 328     DWORD delimiterLength = WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, NULL, 0, NULL, NULL);
 329     itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength);
 330     itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength);
 331     WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, itemNameA, nameLength, NULL, NULL);
 332     WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, itemDelimiterA, delimiterLength, NULL, NULL);
 333
 334     res=IStream_Write(pStm,&delimiterLength,sizeof(DWORD),NULL);
 335     res=IStream_Write(pStm,itemDelimiterA,delimiterLength * sizeof(CHAR),NULL);
 336     res=IStream_Write(pStm,&nameLength,sizeof(DWORD),NULL);
 337     res=IStream_Write(pStm,itemNameA,nameLength * sizeof(CHAR),NULL);
 338
 339     return res;
 340 }
 341
 342 /******************************************************************************
 343  *        ItemMoniker_GetSizeMax
 344  ******************************************************************************/
 345 HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface,
 346                                           ULARGE_INTEGER* pcbSize)/* Pointer to size of stream needed to save object */
 347 {
 348     ICOM_THIS(ItemMonikerImpl,iface);
 349     DWORD delimiterLength=lstrlenW(This->itemDelimiter)+1;
 350     DWORD nameLength=lstrlenW(This->itemName)+1;
 351
 352     TRACE("(%p,%p)\n",iface,pcbSize);
 353
 354     if (pcbSize!=NULL)
 355         return E_POINTER;
 356
 357     /* for more details see ItemMonikerImpl_Save coments */
 358
 359     pcbSize->s.LowPart =  sizeof(DWORD) + /* DWORD which contains delimiter length */
 360                         delimiterLength + /* item delimiter string */
 361                         sizeof(DWORD) + /* DWORD which contains item name length */
 362                         nameLength + /* item name string */
 363                         34; /* this constant was added ! because when I tested this function it usually */
 364                             /*  returns 34 bytes more than the number of bytes used by IMoniker::Save function */
 365     pcbSize->s.HighPart=0;
 366
 367     return S_OK;
 368 }
 369
 370 /******************************************************************************
 371  *         ItemMoniker_Construct (local function)
 372  *******************************************************************************/
 373 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* This, LPCOLESTR lpszDelim,LPCOLESTR lpszItem)
 374 {
 375
 376     int sizeStr1=lstrlenW(lpszItem), sizeStr2;
 377     static const OLECHAR emptystr[1];
 378     LPCOLESTR   delim;
 379
 380     TRACE("(%p,%p)\n",This,lpszItem);
 381
 382     /* Initialize the virtual fgunction table. */
 383     This->lpvtbl1      = &VT_ItemMonikerImpl;
 384     This->lpvtbl2      = &VT_ROTDataImpl;
 385     This->ref          = 0;
 386
 387     This->itemName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr1+1));
 388     if (!This->itemName)
 389         return E_OUTOFMEMORY;
 390     strcpyW(This->itemName,lpszItem);
 391
 392     if (!lpszDelim)
 393         FIXME("lpszDelim is NULL. Using empty string which is possibly wrong.\n");
 394
 395     delim = lpszDelim ? lpszDelim : emptystr;
 396
 397     sizeStr2=strlenW(delim);
 398     This->itemDelimiter=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr2+1));
 399     if (!This->itemDelimiter) {
 400         HeapFree(GetProcessHeap(),0,This->itemName);
 401         return E_OUTOFMEMORY;
 402     }
 403     strcpyW(This->itemDelimiter,delim);
 404     return S_OK;
 405 }
 406
 407 /******************************************************************************
 408  *        ItemMoniker_Destroy (local function)
 409  *******************************************************************************/
 410 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* This)
 411 {
 412     TRACE("(%p)\n",This);
 413
 414     if (This->itemName)
 415         HeapFree(GetProcessHeap(),0,This->itemName);
 416
 417     if (This->itemDelimiter)
 418         HeapFree(GetProcessHeap(),0,This->itemDelimiter);
 419
 420     HeapFree(GetProcessHeap(),0,This);
 421
 422     return S_OK;
 423 }
 424
 425 /******************************************************************************
 426  *                  ItemMoniker_BindToObject
 427  ******************************************************************************/
 428 HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,
 429                                             IBindCtx* pbc,
 430                                             IMoniker* pmkToLeft,
 431                                             REFIID riid,
 432                                             VOID** ppvResult)
 433 {
 434     ICOM_THIS(ItemMonikerImpl,iface);
 435
 436     HRESULT   res;
 437     IID    refid=IID_IOleItemContainer;
 438     IOleItemContainer *poic=0;
 439
 440     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 441
 442     if(ppvResult ==NULL)
 443         return E_POINTER;
 444
 445     if(pmkToLeft==NULL)
 446         return E_INVALIDARG;
 447
 448     *ppvResult=0;
 449
 450     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&refid,(void**)&poic);
 451
 452     if (SUCCEEDED(res)){
 453
 454         res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,riid,ppvResult);
 455
 456         IOleItemContainer_Release(poic);
 457     }
 458
 459     return res;
 460 }
 461
 462 /******************************************************************************
 463  *        ItemMoniker_BindToStorage
 464  ******************************************************************************/
 465 HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,
 466                                              IBindCtx* pbc,
 467                                              IMoniker* pmkToLeft,
 468                                              REFIID riid,
 469                                              VOID** ppvResult)
 470 {
 471     ICOM_THIS(ItemMonikerImpl,iface);
 472
 473     HRESULT   res;
 474     IOleItemContainer *poic=0;
 475
 476     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 477
 478     *ppvResult=0;
 479
 480     if(pmkToLeft==NULL)
 481         return E_INVALIDARG;
 482
 483     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 484
 485     if (SUCCEEDED(res)){
 486
 487         res=IOleItemContainer_GetObjectStorage(poic,This->itemName,pbc,riid,ppvResult);
 488
 489         IOleItemContainer_Release(poic);
 490     }
 491
 492     return res;
 493 }
 494
 495 /******************************************************************************
 496  *        ItemMoniker_Reduce
 497  ******************************************************************************/
 498 HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,
 499                                       IBindCtx* pbc,
 500                                       DWORD dwReduceHowFar,
 501                                       IMoniker** ppmkToLeft,
 502                                       IMoniker** ppmkReduced)
 503 {
 504     TRACE("(%p,%p,%ld,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
 505
 506     if (ppmkReduced==NULL)
 507         return E_POINTER;
 508
 509     ItemMonikerImpl_AddRef(iface);
 510
 511     *ppmkReduced=iface;
 512
 513     return MK_S_REDUCED_TO_SELF;
 514 }
 515 /******************************************************************************
 516  *        ItemMoniker_ComposeWith
 517  ******************************************************************************/
 518 HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,
 519                                            IMoniker* pmkRight,
 520                                            BOOL fOnlyIfNotGeneric,
 521                                            IMoniker** ppmkComposite)
 522 {
 523     HRESULT res=S_OK;
 524     DWORD mkSys,mkSys2;
 525     IEnumMoniker* penumMk=0;
 526     IMoniker *pmostLeftMk=0;
 527     IMoniker* tempMkComposite=0;
 528
 529     TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
 530
 531     if ((ppmkComposite==NULL)||(pmkRight==NULL))
 532         return E_POINTER;
 533
 534     *ppmkComposite=0;
 535
 536     IMoniker_IsSystemMoniker(pmkRight,&mkSys);
 537
 538     /* If pmkRight is an anti-moniker, the returned moniker is NULL */
 539     if(mkSys==MKSYS_ANTIMONIKER)
 540         return res;
 541
 542     else
 543         /* if pmkRight is a composite whose leftmost component is an anti-moniker,           */
 544         /* the returned moniker is the composite after the leftmost anti-moniker is removed. */
 545
 546          if(mkSys==MKSYS_GENERICCOMPOSITE){
 547
 548             res=IMoniker_Enum(pmkRight,TRUE,&penumMk);
 549
 550             if (FAILED(res))
 551                 return res;
 552
 553             res=IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL);
 554
 555             IMoniker_IsSystemMoniker(pmostLeftMk,&mkSys2);
 556
 557             if(mkSys2==MKSYS_ANTIMONIKER){
 558
 559                 IMoniker_Release(pmostLeftMk);
 560
 561                 tempMkComposite=iface;
 562                 IMoniker_AddRef(iface);
 563
 564                 while(IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL)==S_OK){
 565
 566                     res=CreateGenericComposite(tempMkComposite,pmostLeftMk,ppmkComposite);
 567
 568                     IMoniker_Release(tempMkComposite);
 569                     IMoniker_Release(pmostLeftMk);
 570
 571                     tempMkComposite=*ppmkComposite;
 572                     IMoniker_AddRef(tempMkComposite);
 573                 }
 574                 return res;
 575             }
 576             else
 577                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 578          }
 579          /* If pmkRight is not an anti-moniker, the method combines the two monikers into a generic
 580           composite if fOnlyIfNotGeneric is FALSE; if fOnlyIfNotGeneric is TRUE, the method returns
 581           a NULL moniker and a return value of MK_E_NEEDGENERIC */
 582           else
 583             if (!fOnlyIfNotGeneric)
 584                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 585
 586             else
 587                 return MK_E_NEEDGENERIC;
 588 }
 589
 590 /******************************************************************************
 591  *        ItemMoniker_Enum
 592  ******************************************************************************/
 593 HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
 594 {
 595     TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
 596
 597     if (ppenumMoniker == NULL)
 598         return E_POINTER;
 599
 600     *ppenumMoniker = NULL;
 601
 602     return S_OK;
 603 }
 604
 605 /******************************************************************************
 606  *        ItemMoniker_IsEqual
 607  ******************************************************************************/
 608 HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
 609 {
 610
 611     CLSID clsid;
 612     LPOLESTR dispName1,dispName2;
 613     IBindCtx* bind;
 614     HRESULT res;
 615
 616     TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
 617
 618     if (pmkOtherMoniker==NULL)
 619         return S_FALSE;
 620
 621     /* This method returns S_OK if both monikers are item monikers and their display names are */
 622     /* identical (using a case-insensitive comparison); otherwise, the method returns S_FALSE. */
 623
 624     IMoniker_GetClassID(pmkOtherMoniker,&clsid);
 625
 626     if (!IsEqualCLSID(&clsid,&CLSID_ItemMoniker))
 627         return S_FALSE;
 628
 629     res=CreateBindCtx(0,&bind);
 630     if (FAILED(res))
 631         return res;
 632
 633     IMoniker_GetDisplayName(iface,bind,NULL,&dispName1);
 634     IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&dispName2);
 635
 636     if (lstrcmpW(dispName1,dispName2)!=0)
 637         return S_FALSE;
 638
 639     return S_OK;
 640 }
 641
 642 /******************************************************************************
 643  *        ItemMoniker_Hash
 644  ******************************************************************************/
 645 HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
 646 {
 647     ICOM_THIS(ItemMonikerImpl,iface);
 648
 649     int  h = 0,i,skip,len;
 650     int  off = 0;
 651     LPOLESTR val;
 652
 653     if (pdwHash==NULL)
 654         return E_POINTER;
 655
 656     val =  This->itemName;
 657     len = lstrlenW(val);
 658
 659     if (len < 16) {
 660         for (i = len ; i > 0; i--) {
 661             h = (h * 37) + val[off++];
 662         }
 663     } else {
 664         /* only sample some characters */
 665         skip = len / 8;
 666         for (i = len ; i > 0; i -= skip, off += skip) {
 667             h = (h * 39) + val[off];
 668         }
 669     }
 670
 671     *pdwHash=h;
 672
 673     return S_OK;
 674 }
 675
 676 /******************************************************************************
 677  *        ItemMoniker_IsRunning
 678  ******************************************************************************/
 679 HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,
 680                                          IBindCtx* pbc,
 681                                          IMoniker* pmkToLeft,
 682                                          IMoniker* pmkNewlyRunning)
 683 {
 684     IRunningObjectTable* rot;
 685     HRESULT res;
 686     IOleItemContainer *poic=0;
 687     ICOM_THIS(ItemMonikerImpl,iface);
 688
 689     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
 690
 691     /* If pmkToLeft is NULL, this method returns TRUE if pmkNewlyRunning is non-NULL and is equal to this */
 692     /* moniker. Otherwise, the method checks the ROT to see whether this moniker is running.              */
 693     if (pmkToLeft==NULL)
 694         if ((pmkNewlyRunning!=NULL)&&(IMoniker_IsEqual(pmkNewlyRunning,iface)==S_OK))
 695             return S_OK;
 696         else {
 697             if (pbc==NULL)
 698                 return E_POINTER;
 699
 700             res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 701
 702             if (FAILED(res))
 703                 return res;
 704
 705             res = IRunningObjectTable_IsRunning(rot,iface);
 706
 707             IRunningObjectTable_Release(rot);
 708         }
 709     else{
 710
 711         /* If pmkToLeft is non-NULL, the method calls IMoniker::BindToObject on the pmkToLeft parameter,         */
 712         /* requesting an IOleItemContainer interface pointer. The method then calls IOleItemContainer::IsRunning,*/
 713         /* passing the string contained within this moniker. */
 714
 715         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 716
 717         if (SUCCEEDED(res)){
 718
 719             res=IOleItemContainer_IsRunning(poic,This->itemName);
 720
 721             IOleItemContainer_Release(poic);
 722         }
 723     }
 724
 725     return res;
 726 }
 727
 728 /******************************************************************************
 729  *        ItemMoniker_GetTimeOfLastChange
 730  ******************************************************************************/
 731 HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface,
 732                                                    IBindCtx* pbc,
 733                                                    IMoniker* pmkToLeft,
 734                                                    FILETIME* pItemTime)
 735 {
 736     IRunningObjectTable* rot;
 737     HRESULT res;
 738     IMoniker *compositeMk;
 739
 740     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pItemTime);
 741
 742     if (pItemTime==NULL)
 743         return E_INVALIDARG;
 744
 745     /* If pmkToLeft is NULL, this method returns MK_E_NOTBINDABLE */
 746     if (pmkToLeft==NULL)
 747
 748         return MK_E_NOTBINDABLE;
 749     else {
 750
 751         /* Otherwise, the method creates a composite of pmkToLeft and this moniker and uses the ROT to access  */
 752         /* the time of last change. If the object is not in the ROT, the method calls                          */
 753         /* IMoniker::GetTimeOfLastChange on the pmkToLeft parameter.                                            */
 754
 755         res=CreateGenericComposite(pmkToLeft,iface,&compositeMk);
 756
 757         res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 758
 759         if (IRunningObjectTable_GetTimeOfLastChange(rot,compositeMk,pItemTime)!=S_OK)
 760
 761             res=IMoniker_GetTimeOfLastChange(pmkToLeft,pbc,NULL,pItemTime);
 762
 763         IMoniker_Release(compositeMk);
 764     }
 765
 766     return res;
 767 }
 768
 769 /******************************************************************************
 770  *        ItemMoniker_Inverse
 771  ******************************************************************************/
 772 HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
 773 {
 774     TRACE("(%p,%p)\n",iface,ppmk);
 775
 776     if (ppmk==NULL)
 777         return E_POINTER;
 778
 779     return CreateAntiMoniker(ppmk);
 780 }
 781
 782 /******************************************************************************
 783  *        ItemMoniker_CommonPrefixWith
 784  ******************************************************************************/
 785 HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
 786 {
 787     DWORD mkSys;
 788     IMoniker_IsSystemMoniker(pmkOther,&mkSys);
 789     /* If the other moniker is an item moniker that is equal to this moniker, this method sets *ppmkPrefix */
 790     /* to this moniker and returns MK_S_US */
 791
 792     if((mkSys==MKSYS_ITEMMONIKER) && (IMoniker_IsEqual(iface,pmkOther)==S_OK) ){
 793
 794         *ppmkPrefix=iface;
 795
 796         IMoniker_AddRef(iface);
 797
 798         return MK_S_US;
 799     }
 800     else
 801         /* otherwise, the method calls the MonikerCommonPrefixWith function. This function correctly handles */
 802         /* the case where the other moniker is a generic composite. */
 803         return MonikerCommonPrefixWith(iface,pmkOther,ppmkPrefix);
 804 }
 805
 806 /******************************************************************************
 807  *        ItemMoniker_RelativePathTo
 808  ******************************************************************************/
 809 HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
 810 {
 811     TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
 812
 813     if (ppmkRelPath==NULL)
 814         return E_POINTER;
 815
 816     *ppmkRelPath=0;
 817
 818     return MK_E_NOTBINDABLE;
 819 }
 820
 821 /******************************************************************************
 822  *        ItemMoniker_GetDisplayName
 823  ******************************************************************************/
 824 HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,
 825                                               IBindCtx* pbc,
 826                                               IMoniker* pmkToLeft,
 827                                               LPOLESTR *ppszDisplayName)
 828 {
 829     ICOM_THIS(ItemMonikerImpl,iface);
 830
 831     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
 832
 833     if (ppszDisplayName==NULL)
 834         return E_POINTER;
 835
 836     if (pmkToLeft!=NULL){
 837         return E_INVALIDARG;
 838     }
 839
 840     *ppszDisplayName=CoTaskMemAlloc(sizeof(WCHAR)*(lstrlenW(This->itemDelimiter)+lstrlenW(This->itemName)+1));
 841
 842     if (*ppszDisplayName==NULL)
 843         return E_OUTOFMEMORY;
 844
 845     strcpyW(*ppszDisplayName,This->itemDelimiter);
 846     strcatW(*ppszDisplayName,This->itemName);
 847
 848     return S_OK;
 849 }
 850
 851 /******************************************************************************
 852  *        ItemMoniker_ParseDisplayName
 853  ******************************************************************************/
 854 HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,
 855                                                 IBindCtx* pbc,
 856                                                 IMoniker* pmkToLeft,
 857                                                 LPOLESTR pszDisplayName,
 858                                                 ULONG* pchEaten,
 859                                                 IMoniker** ppmkOut)
 860 {
 861     IOleItemContainer* poic=0;
 862     IParseDisplayName* ppdn=0;
 863     LPOLESTR displayName;
 864     HRESULT res;
 865     ICOM_THIS(ItemMonikerImpl,iface);
 866
 867     /* If pmkToLeft is NULL, this method returns MK_E_SYNTAX */
 868     if (pmkToLeft==NULL)
 869
 870         return MK_E_SYNTAX;
 871
 872     else{
 873         /* Otherwise, the method calls IMoniker::BindToObject on the pmkToLeft parameter, requesting an */
 874         /* IParseDisplayName interface pointer to the object identified by the moniker, and passes the display */
 875         /* name to IParseDisplayName::ParseDisplayName */
 876         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 877
 878         if (SUCCEEDED(res)){
 879
 880             res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,&IID_IParseDisplayName,(void**)&ppdn);
 881
 882             res=IMoniker_GetDisplayName(iface,pbc,NULL,&displayName);
 883
 884             res=IParseDisplayName_ParseDisplayName(ppdn,pbc,displayName,pchEaten,ppmkOut);
 885
 886             IOleItemContainer_Release(poic);
 887             IParseDisplayName_Release(ppdn);
 888         }
 889     }
 890     return res;
 891 }
 892
 893 /******************************************************************************
 894  *        ItemMoniker_IsSystemMoniker
 895  ******************************************************************************/
 896 HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
 897 {
 898     TRACE("(%p,%p)\n",iface,pwdMksys);
 899
 900     if (!pwdMksys)
 901         return E_POINTER;
 902
 903     (*pwdMksys)=MKSYS_ITEMMONIKER;
 904
 905     return S_OK;
 906 }
 907
 908 /*******************************************************************************
 909  *        ItemMonikerIROTData_QueryInterface
 910  *******************************************************************************/
 911 HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,VOID** ppvObject)
 912 {
 913
 914     ICOM_THIS_From_IROTData(IMoniker, iface);
 915
 916     TRACE("(%p,%p,%p)\n",iface,riid,ppvObject);
 917
 918     return ItemMonikerImpl_QueryInterface(This, riid, ppvObject);
 919 }
 920
 921 /***********************************************************************
 922  *        ItemMonikerIROTData_AddRef
 923  */
 924 ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData *iface)
 925 {
 926     ICOM_THIS_From_IROTData(IMoniker, iface);
 927
 928     TRACE("(%p)\n",iface);
 929
 930     return ItemMonikerImpl_AddRef(This);
 931 }
 932
 933 /***********************************************************************
 934  *        ItemMonikerIROTData_Release
 935  */
 936 ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface)
 937 {
 938     ICOM_THIS_From_IROTData(IMoniker, iface);
 939
 940     TRACE("(%p)\n",iface);
 941
 942     return ItemMonikerImpl_Release(This);
 943 }
 944
 945 /******************************************************************************
 946  *        ItemMonikerIROTData_GetComparaisonData
 947  ******************************************************************************/
 948 HRESULT WINAPI ItemMonikerROTDataImpl_GetComparaisonData(IROTData* iface,
 949                                                          BYTE* pbData,
 950                                                          ULONG cbMax,
 951                                                          ULONG* pcbData)
 952 {
 953     FIXME("(),stub!\n");
 954     return E_NOTIMPL;
 955 }
 956
 957 /******************************************************************************
 958  *        CreateItemMoniker16   [OLE2.28]
 959  ******************************************************************************/
 960 HRESULT WINAPI CreateItemMoniker16(LPCOLESTR16 lpszDelim,LPCOLESTR  lpszItem,LPMONIKER* ppmk)
 961 {
 962
 963     FIXME("(%s,%p),stub!\n",lpszDelim,ppmk);
 964     *ppmk = NULL;
 965     return E_NOTIMPL;
 966 }
 967
 968 /******************************************************************************
 969  *        CreateItemMoniker     [OLE32.58]
 970  ******************************************************************************/
 971 HRESULT WINAPI CreateItemMoniker(LPCOLESTR lpszDelim,LPCOLESTR  lpszItem, LPMONIKER * ppmk)
 972 {
 973     ItemMonikerImpl* newItemMoniker = 0;
 974     HRESULT        hr = S_OK;
 975     IID riid=IID_IMoniker;
 976
 977     TRACE("(%p,%p,%p)\n",lpszDelim,lpszItem,ppmk);
 978
 979     newItemMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(ItemMonikerImpl));
 980
 981     if (newItemMoniker == 0)
 982         return STG_E_INSUFFICIENTMEMORY;
 983
 984     hr = ItemMonikerImpl_Construct(newItemMoniker,lpszDelim,lpszItem);
 985
 986     if (FAILED(hr)){
 987
 988         HeapFree(GetProcessHeap(),0,newItemMoniker);
 989     return hr;
 990     }
 991
 992     return ItemMonikerImpl_QueryInterface((IMoniker*)newItemMoniker,&riid,(void**)ppmk);
 993 }