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 <stdarg.h>
  23 #include <string.h>
  24
  25 #define NONAMELESSUNION
  26 #define NONAMELESSSTRUCT
  27 #include "winerror.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winuser.h"
  31 #include "winnls.h"
  32 #include "wine/debug.h"
  33 #include "ole2.h"
  34 #include "wine/unicode.h"
  35 #include "moniker.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  38
  39 const CLSID CLSID_ItemMoniker = {
  40   0x304, 0, 0, {0xC0, 0, 0, 0, 0, 0, 0, 0x46}
  41 };
  42
  43 /* ItemMoniker data structure */
  44 typedef struct ItemMonikerImpl{
  45
  46     IMonikerVtbl*  lpvtbl1;  /* VTable relative to the IMoniker interface.*/
  47
  48     /* The ROT (RunningObjectTable implementation) uses the IROTData interface to test whether
  49      * two monikers are equal. That's whay IROTData interface is implemented by monikers.
  50      */
  51     IROTDataVtbl*  lpvtbl2;  /* VTable relative to the IROTData interface.*/
  52
  53     ULONG ref; /* reference counter for this object */
  54
  55     LPOLESTR itemName; /* item name identified by this ItemMoniker */
  56
  57     LPOLESTR itemDelimiter; /* Delimiter string */
  58
  59 } ItemMonikerImpl;
  60
  61 /********************************************************************************/
  62 /* ItemMoniker prototype functions :                                            */
  63
  64 /* IUnknown prototype functions */
  65 static HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject);
  66 static ULONG   WINAPI ItemMonikerImpl_AddRef(IMoniker* iface);
  67 static ULONG   WINAPI ItemMonikerImpl_Release(IMoniker* iface);
  68
  69 /* IPersist prototype functions */
  70 static HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface, CLSID *pClassID);
  71
  72 /* IPersistStream prototype functions */
  73 static HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface);
  74 static HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface, IStream* pStm);
  75 static HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty);
  76 static HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize);
  77
  78 /* IMoniker prototype functions */
  79 static HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
  80 static HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
  81 static HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,IBindCtx* pbc, DWORD dwReduceHowFar,IMoniker** ppmkToLeft, IMoniker** ppmkReduced);
  82 static HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,IMoniker* pmkRight,BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite);
  83 static HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker);
  84 static HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker);
  85 static HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash);
  86 static HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, IMoniker* pmkNewlyRunning);
  87 static HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft, FILETIME* pItemTime);
  88 static HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk);
  89 static HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther, IMoniker** ppmkPrefix);
  90 static HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath);
  91 static HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName);
  92 static HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR pszDisplayName, ULONG* pchEaten, IMoniker** ppmkOut);
  93 static HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys);
  94
  95 /* Local function used by ItemMoniker implementation */
  96 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* iface, LPCOLESTR lpszDelim,LPCOLESTR lpszPathName);
  97 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* iface);
  98
  99 /********************************************************************************/
 100 /* IROTData prototype functions                                                 */
 101
 102 /* IUnknown prototype functions */
 103 static HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData* iface,REFIID riid,VOID** ppvObject);
 104 static ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData* iface);
 105 static ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface);
 106
 107 /* IROTData prototype function */
 108 static HRESULT WINAPI ItemMonikerROTDataImpl_GetComparaisonData(IROTData* iface,BYTE* pbData,ULONG cbMax,ULONG* pcbData);
 109
 110 /********************************************************************************/
 111 /* Virtual function table for the ItemMonikerImpl class which  include IPersist,*/
 112 /* IPersistStream and IMoniker functions.                                       */
 113 static IMonikerVtbl VT_ItemMonikerImpl =
 114     {
 115     ItemMonikerImpl_QueryInterface,
 116     ItemMonikerImpl_AddRef,
 117     ItemMonikerImpl_Release,
 118     ItemMonikerImpl_GetClassID,
 119     ItemMonikerImpl_IsDirty,
 120     ItemMonikerImpl_Load,
 121     ItemMonikerImpl_Save,
 122     ItemMonikerImpl_GetSizeMax,
 123     ItemMonikerImpl_BindToObject,
 124     ItemMonikerImpl_BindToStorage,
 125     ItemMonikerImpl_Reduce,
 126     ItemMonikerImpl_ComposeWith,
 127     ItemMonikerImpl_Enum,
 128     ItemMonikerImpl_IsEqual,
 129     ItemMonikerImpl_Hash,
 130     ItemMonikerImpl_IsRunning,
 131     ItemMonikerImpl_GetTimeOfLastChange,
 132     ItemMonikerImpl_Inverse,
 133     ItemMonikerImpl_CommonPrefixWith,
 134     ItemMonikerImpl_RelativePathTo,
 135     ItemMonikerImpl_GetDisplayName,
 136     ItemMonikerImpl_ParseDisplayName,
 137     ItemMonikerImpl_IsSystemMoniker
 138 };
 139
 140 /********************************************************************************/
 141 /* Virtual function table for the IROTData class.                               */
 142 static IROTDataVtbl VT_ROTDataImpl =
 143 {
 144     ItemMonikerROTDataImpl_QueryInterface,
 145     ItemMonikerROTDataImpl_AddRef,
 146     ItemMonikerROTDataImpl_Release,
 147     ItemMonikerROTDataImpl_GetComparaisonData
 148 };
 149
 150 /*******************************************************************************
 151  *        ItemMoniker_QueryInterface
 152  *******************************************************************************/
 153 HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
 154 {
 155     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 156
 157   TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
 158
 159   /* Perform a sanity check on the parameters.*/
 160     if ( (This==0) || (ppvObject==0) )
 161         return E_INVALIDARG;
 162
 163   /* Initialize the return parameter */
 164   *ppvObject = 0;
 165
 166   /* Compare the riid with the interface IDs implemented by this object.*/
 167   if (IsEqualIID(&IID_IUnknown, riid) ||
 168       IsEqualIID(&IID_IPersist, riid) ||
 169       IsEqualIID(&IID_IPersistStream, riid) ||
 170       IsEqualIID(&IID_IMoniker, riid)
 171      )
 172       *ppvObject = iface;
 173
 174     else if (IsEqualIID(&IID_IROTData, riid))
 175         *ppvObject = (IROTData*)&(This->lpvtbl2);
 176
 177   /* Check that we obtained an interface.*/
 178     if ((*ppvObject)==0)
 179         return E_NOINTERFACE;
 180
 181    /* Query Interface always increases the reference count by one when it is successful */
 182   ItemMonikerImpl_AddRef(iface);
 183
 184   return S_OK;
 185 }
 186
 187 /******************************************************************************
 188  *        ItemMoniker_AddRef
 189  ******************************************************************************/
 190 ULONG WINAPI ItemMonikerImpl_AddRef(IMoniker* iface)
 191 {
 192     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 193
 194     TRACE("(%p)\n",This);
 195
 196     return InterlockedIncrement(&This->ref);
 197 }
 198
 199 /******************************************************************************
 200  *        ItemMoniker_Release
 201  ******************************************************************************/
 202 ULONG WINAPI ItemMonikerImpl_Release(IMoniker* iface)
 203 {
 204     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 205     ULONG ref;
 206
 207     TRACE("(%p)\n",This);
 208
 209     ref = InterlockedDecrement(&This->ref);
 210
 211     /* destroy the object if there's no more reference on it */
 212     if (ref == 0) ItemMonikerImpl_Destroy(This);
 213
 214     return ref;
 215 }
 216
 217 /******************************************************************************
 218  *        ItemMoniker_GetClassID
 219  ******************************************************************************/
 220 HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
 221 {
 222     TRACE("(%p,%p),stub!\n",iface,pClassID);
 223
 224     if (pClassID==NULL)
 225         return E_POINTER;
 226
 227     *pClassID = CLSID_ItemMoniker;
 228
 229     return S_OK;
 230 }
 231
 232 /******************************************************************************
 233  *        ItemMoniker_IsDirty
 234  ******************************************************************************/
 235 HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface)
 236 {
 237     /* Note that the OLE-provided implementations of the IPersistStream::IsDirty
 238        method in the OLE-provided moniker interfaces always return S_FALSE because
 239        their internal state never changes. */
 240
 241     TRACE("(%p)\n",iface);
 242
 243     return S_FALSE;
 244 }
 245
 246 /******************************************************************************
 247  *        ItemMoniker_Load
 248  ******************************************************************************/
 249 HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface,IStream* pStm)
 250 {
 251
 252     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 253     HRESULT res;
 254     DWORD delimiterLength,nameLength,lenW;
 255     CHAR *itemNameA,*itemDelimiterA;
 256     ULONG bread;
 257
 258     /* for more details about data read by this function see coments of ItemMonikerImpl_Save function */
 259
 260     /* read item delimiter string length + 1 */
 261     res=IStream_Read(pStm,&delimiterLength,sizeof(DWORD),&bread);
 262     if (bread != sizeof(DWORD))
 263         return E_FAIL;
 264
 265     /* read item delimiter string */
 266     if (!(itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength)))
 267         return E_OUTOFMEMORY;
 268     res=IStream_Read(pStm,itemDelimiterA,delimiterLength,&bread);
 269     if (bread != delimiterLength)
 270     {
 271         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 272         return E_FAIL;
 273     }
 274
 275     lenW = MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, NULL, 0 );
 276     This->itemDelimiter=HeapReAlloc(GetProcessHeap(),0,This->itemDelimiter,lenW*sizeof(WCHAR));
 277     if (!This->itemDelimiter)
 278     {
 279         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 280         return E_OUTOFMEMORY;
 281     }
 282     MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, This->itemDelimiter, lenW );
 283     HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 284
 285     /* read item name string length + 1*/
 286     res=IStream_Read(pStm,&nameLength,sizeof(DWORD),&bread);
 287     if (bread != sizeof(DWORD))
 288         return E_FAIL;
 289
 290     /* read item name string */
 291     if (!(itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength)))
 292         return E_OUTOFMEMORY;
 293     res=IStream_Read(pStm,itemNameA,nameLength,&bread);
 294     if (bread != nameLength)
 295     {
 296         HeapFree( GetProcessHeap(), 0, itemNameA );
 297         return E_FAIL;
 298     }
 299
 300     lenW = MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, NULL, 0 );
 301     This->itemName=HeapReAlloc(GetProcessHeap(),0,This->itemName,lenW*sizeof(WCHAR));
 302     if (!This->itemName)
 303     {
 304         HeapFree( GetProcessHeap(), 0, itemNameA );
 305         return E_OUTOFMEMORY;
 306     }
 307     MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, This->itemName, lenW );
 308     HeapFree( GetProcessHeap(), 0, itemNameA );
 309
 310     return res;
 311 }
 312
 313 /******************************************************************************
 314  *        ItemMoniker_Save
 315  ******************************************************************************/
 316 HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface,
 317                                     IStream* pStm,/* pointer to the stream where the object is to be saved */
 318                                     BOOL fClearDirty)/* Specifies whether to clear the dirty flag */
 319 {
 320     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 321     HRESULT res;
 322     CHAR *itemNameA,*itemDelimiterA;
 323
 324     /* data written by this function are : 1) DWORD : size of item delimiter string ('\0' included ) */
 325     /*                                    2) String (type A): item delimiter string ('\0' included)          */
 326     /*                                    3) DWORD : size of item name string ('\0' included)       */
 327     /*                                    4) String (type A): item name string ('\0' included)               */
 328
 329     DWORD nameLength = WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, NULL, 0, NULL, NULL);
 330     DWORD delimiterLength = WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, NULL, 0, NULL, NULL);
 331     itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength);
 332     itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength);
 333     WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, itemNameA, nameLength, NULL, NULL);
 334     WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, itemDelimiterA, delimiterLength, NULL, NULL);
 335
 336     res=IStream_Write(pStm,&delimiterLength,sizeof(DWORD),NULL);
 337     res=IStream_Write(pStm,itemDelimiterA,delimiterLength * sizeof(CHAR),NULL);
 338     res=IStream_Write(pStm,&nameLength,sizeof(DWORD),NULL);
 339     res=IStream_Write(pStm,itemNameA,nameLength * sizeof(CHAR),NULL);
 340
 341     return res;
 342 }
 343
 344 /******************************************************************************
 345  *        ItemMoniker_GetSizeMax
 346  ******************************************************************************/
 347 HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface,
 348                                           ULARGE_INTEGER* pcbSize)/* Pointer to size of stream needed to save object */
 349 {
 350     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 351     DWORD delimiterLength=lstrlenW(This->itemDelimiter)+1;
 352     DWORD nameLength=lstrlenW(This->itemName)+1;
 353
 354     TRACE("(%p,%p)\n",iface,pcbSize);
 355
 356     if (pcbSize!=NULL)
 357         return E_POINTER;
 358
 359     /* for more details see ItemMonikerImpl_Save coments */
 360
 361     pcbSize->u.LowPart =  sizeof(DWORD) + /* DWORD which contains delimiter length */
 362                         delimiterLength + /* item delimiter string */
 363                         sizeof(DWORD) + /* DWORD which contains item name length */
 364                         nameLength + /* item name string */
 365                         34; /* this constant was added ! because when I tested this function it usually */
 366                             /*  returns 34 bytes more than the number of bytes used by IMoniker::Save function */
 367     pcbSize->u.HighPart=0;
 368
 369     return S_OK;
 370 }
 371
 372 /******************************************************************************
 373  *         ItemMoniker_Construct (local function)
 374  *******************************************************************************/
 375 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* This, LPCOLESTR lpszDelim,LPCOLESTR lpszItem)
 376 {
 377
 378     int sizeStr1=lstrlenW(lpszItem), sizeStr2;
 379     static const OLECHAR emptystr[1];
 380     LPCOLESTR   delim;
 381
 382     TRACE("(%p,%p)\n",This,lpszItem);
 383
 384     /* Initialize the virtual fgunction table. */
 385     This->lpvtbl1      = &VT_ItemMonikerImpl;
 386     This->lpvtbl2      = &VT_ROTDataImpl;
 387     This->ref          = 0;
 388
 389     This->itemName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr1+1));
 390     if (!This->itemName)
 391         return E_OUTOFMEMORY;
 392     lstrcpyW(This->itemName,lpszItem);
 393
 394     if (!lpszDelim)
 395         FIXME("lpszDelim is NULL. Using empty string which is possibly wrong.\n");
 396
 397     delim = lpszDelim ? lpszDelim : emptystr;
 398
 399     sizeStr2=lstrlenW(delim);
 400     This->itemDelimiter=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr2+1));
 401     if (!This->itemDelimiter) {
 402         HeapFree(GetProcessHeap(),0,This->itemName);
 403         return E_OUTOFMEMORY;
 404     }
 405     lstrcpyW(This->itemDelimiter,delim);
 406     return S_OK;
 407 }
 408
 409 /******************************************************************************
 410  *        ItemMoniker_Destroy (local function)
 411  *******************************************************************************/
 412 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* This)
 413 {
 414     TRACE("(%p)\n",This);
 415
 416     if (This->itemName)
 417         HeapFree(GetProcessHeap(),0,This->itemName);
 418
 419     if (This->itemDelimiter)
 420         HeapFree(GetProcessHeap(),0,This->itemDelimiter);
 421
 422     HeapFree(GetProcessHeap(),0,This);
 423
 424     return S_OK;
 425 }
 426
 427 /******************************************************************************
 428  *                  ItemMoniker_BindToObject
 429  ******************************************************************************/
 430 HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,
 431                                             IBindCtx* pbc,
 432                                             IMoniker* pmkToLeft,
 433                                             REFIID riid,
 434                                             VOID** ppvResult)
 435 {
 436     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 437
 438     HRESULT   res;
 439     IID    refid=IID_IOleItemContainer;
 440     IOleItemContainer *poic=0;
 441
 442     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 443
 444     if(ppvResult ==NULL)
 445         return E_POINTER;
 446
 447     if(pmkToLeft==NULL)
 448         return E_INVALIDARG;
 449
 450     *ppvResult=0;
 451
 452     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&refid,(void**)&poic);
 453
 454     if (SUCCEEDED(res)){
 455
 456         res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,riid,ppvResult);
 457
 458         IOleItemContainer_Release(poic);
 459     }
 460
 461     return res;
 462 }
 463
 464 /******************************************************************************
 465  *        ItemMoniker_BindToStorage
 466  ******************************************************************************/
 467 HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,
 468                                              IBindCtx* pbc,
 469                                              IMoniker* pmkToLeft,
 470                                              REFIID riid,
 471                                              VOID** ppvResult)
 472 {
 473     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 474
 475     HRESULT   res;
 476     IOleItemContainer *poic=0;
 477
 478     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 479
 480     *ppvResult=0;
 481
 482     if(pmkToLeft==NULL)
 483         return E_INVALIDARG;
 484
 485     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 486
 487     if (SUCCEEDED(res)){
 488
 489         res=IOleItemContainer_GetObjectStorage(poic,This->itemName,pbc,riid,ppvResult);
 490
 491         IOleItemContainer_Release(poic);
 492     }
 493
 494     return res;
 495 }
 496
 497 /******************************************************************************
 498  *        ItemMoniker_Reduce
 499  ******************************************************************************/
 500 HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,
 501                                       IBindCtx* pbc,
 502                                       DWORD dwReduceHowFar,
 503                                       IMoniker** ppmkToLeft,
 504                                       IMoniker** ppmkReduced)
 505 {
 506     TRACE("(%p,%p,%ld,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
 507
 508     if (ppmkReduced==NULL)
 509         return E_POINTER;
 510
 511     ItemMonikerImpl_AddRef(iface);
 512
 513     *ppmkReduced=iface;
 514
 515     return MK_S_REDUCED_TO_SELF;
 516 }
 517 /******************************************************************************
 518  *        ItemMoniker_ComposeWith
 519  ******************************************************************************/
 520 HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,
 521                                            IMoniker* pmkRight,
 522                                            BOOL fOnlyIfNotGeneric,
 523                                            IMoniker** ppmkComposite)
 524 {
 525     HRESULT res=S_OK;
 526     DWORD mkSys,mkSys2;
 527     IEnumMoniker* penumMk=0;
 528     IMoniker *pmostLeftMk=0;
 529     IMoniker* tempMkComposite=0;
 530
 531     TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
 532
 533     if ((ppmkComposite==NULL)||(pmkRight==NULL))
 534         return E_POINTER;
 535
 536     *ppmkComposite=0;
 537
 538     IMoniker_IsSystemMoniker(pmkRight,&mkSys);
 539
 540     /* If pmkRight is an anti-moniker, the returned moniker is NULL */
 541     if(mkSys==MKSYS_ANTIMONIKER)
 542         return res;
 543
 544     else
 545         /* if pmkRight is a composite whose leftmost component is an anti-moniker,           */
 546         /* the returned moniker is the composite after the leftmost anti-moniker is removed. */
 547
 548          if(mkSys==MKSYS_GENERICCOMPOSITE){
 549
 550             res=IMoniker_Enum(pmkRight,TRUE,&penumMk);
 551
 552             if (FAILED(res))
 553                 return res;
 554
 555             res=IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL);
 556
 557             IMoniker_IsSystemMoniker(pmostLeftMk,&mkSys2);
 558
 559             if(mkSys2==MKSYS_ANTIMONIKER){
 560
 561                 IMoniker_Release(pmostLeftMk);
 562
 563                 tempMkComposite=iface;
 564                 IMoniker_AddRef(iface);
 565
 566                 while(IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL)==S_OK){
 567
 568                     res=CreateGenericComposite(tempMkComposite,pmostLeftMk,ppmkComposite);
 569
 570                     IMoniker_Release(tempMkComposite);
 571                     IMoniker_Release(pmostLeftMk);
 572
 573                     tempMkComposite=*ppmkComposite;
 574                     IMoniker_AddRef(tempMkComposite);
 575                 }
 576                 return res;
 577             }
 578             else
 579                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 580          }
 581          /* If pmkRight is not an anti-moniker, the method combines the two monikers into a generic
 582           composite if fOnlyIfNotGeneric is FALSE; if fOnlyIfNotGeneric is TRUE, the method returns
 583           a NULL moniker and a return value of MK_E_NEEDGENERIC */
 584           else
 585             if (!fOnlyIfNotGeneric)
 586                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 587
 588             else
 589                 return MK_E_NEEDGENERIC;
 590 }
 591
 592 /******************************************************************************
 593  *        ItemMoniker_Enum
 594  ******************************************************************************/
 595 HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
 596 {
 597     TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
 598
 599     if (ppenumMoniker == NULL)
 600         return E_POINTER;
 601
 602     *ppenumMoniker = NULL;
 603
 604     return S_OK;
 605 }
 606
 607 /******************************************************************************
 608  *        ItemMoniker_IsEqual
 609  ******************************************************************************/
 610 HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
 611 {
 612
 613     CLSID clsid;
 614     LPOLESTR dispName1,dispName2;
 615     IBindCtx* bind;
 616     HRESULT res = S_FALSE;
 617
 618     TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
 619
 620     if (!pmkOtherMoniker) return S_FALSE;
 621
 622
 623     /* check if both are ItemMoniker */
 624     if(FAILED (IMoniker_GetClassID(pmkOtherMoniker,&clsid))) return S_FALSE;
 625     if(!IsEqualCLSID(&clsid,&CLSID_ItemMoniker)) return S_FALSE;
 626
 627     /* check if both displaynames are the same */
 628     if(SUCCEEDED ((res = CreateBindCtx(0,&bind)))) {
 629         if(SUCCEEDED (IMoniker_GetDisplayName(iface,bind,NULL,&dispName1))) {
 630             if(SUCCEEDED (IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&dispName2))) {
 631                 if(lstrcmpW(dispName1,dispName2)==0) res = S_OK;
 632                 CoTaskMemFree(dispName2);
 633             }
 634             CoTaskMemFree(dispName1);
 635         }
 636     }
 637     return res;
 638 }
 639
 640 /******************************************************************************
 641  *        ItemMoniker_Hash
 642  ******************************************************************************/
 643 HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
 644 {
 645     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 646
 647     int  h = 0,i,skip,len;
 648     int  off = 0;
 649     LPOLESTR val;
 650
 651     if (pdwHash==NULL)
 652         return E_POINTER;
 653
 654     val =  This->itemName;
 655     len = lstrlenW(val);
 656
 657     if (len < 16) {
 658         for (i = len ; i > 0; i--) {
 659             h = (h * 37) + val[off++];
 660         }
 661     } else {
 662         /* only sample some characters */
 663         skip = len / 8;
 664         for (i = len ; i > 0; i -= skip, off += skip) {
 665             h = (h * 39) + val[off];
 666         }
 667     }
 668
 669     *pdwHash=h;
 670
 671     return S_OK;
 672 }
 673
 674 /******************************************************************************
 675  *        ItemMoniker_IsRunning
 676  ******************************************************************************/
 677 HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,
 678                                          IBindCtx* pbc,
 679                                          IMoniker* pmkToLeft,
 680                                          IMoniker* pmkNewlyRunning)
 681 {
 682     IRunningObjectTable* rot;
 683     HRESULT res;
 684     IOleItemContainer *poic=0;
 685     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 686
 687     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
 688
 689     /* If pmkToLeft is NULL, this method returns TRUE if pmkNewlyRunning is non-NULL and is equal to this */
 690     /* moniker. Otherwise, the method checks the ROT to see whether this moniker is running.              */
 691     if (pmkToLeft==NULL)
 692         if ((pmkNewlyRunning!=NULL)&&(IMoniker_IsEqual(pmkNewlyRunning,iface)==S_OK))
 693             return S_OK;
 694         else {
 695             if (pbc==NULL)
 696                 return E_POINTER;
 697
 698             res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 699
 700             if (FAILED(res))
 701                 return res;
 702
 703             res = IRunningObjectTable_IsRunning(rot,iface);
 704
 705             IRunningObjectTable_Release(rot);
 706         }
 707     else{
 708
 709         /* If pmkToLeft is non-NULL, the method calls IMoniker::BindToObject on the pmkToLeft parameter,         */
 710         /* requesting an IOleItemContainer interface pointer. The method then calls IOleItemContainer::IsRunning,*/
 711         /* passing the string contained within this moniker. */
 712
 713         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 714
 715         if (SUCCEEDED(res)){
 716
 717             res=IOleItemContainer_IsRunning(poic,This->itemName);
 718
 719             IOleItemContainer_Release(poic);
 720         }
 721     }
 722
 723     return res;
 724 }
 725
 726 /******************************************************************************
 727  *        ItemMoniker_GetTimeOfLastChange
 728  ******************************************************************************/
 729 HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface,
 730                                                    IBindCtx* pbc,
 731                                                    IMoniker* pmkToLeft,
 732                                                    FILETIME* pItemTime)
 733 {
 734     IRunningObjectTable* rot;
 735     HRESULT res;
 736     IMoniker *compositeMk;
 737
 738     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pItemTime);
 739
 740     if (pItemTime==NULL)
 741         return E_INVALIDARG;
 742
 743     /* If pmkToLeft is NULL, this method returns MK_E_NOTBINDABLE */
 744     if (pmkToLeft==NULL)
 745
 746         return MK_E_NOTBINDABLE;
 747     else {
 748
 749         /* Otherwise, the method creates a composite of pmkToLeft and this moniker and uses the ROT to access  */
 750         /* the time of last change. If the object is not in the ROT, the method calls                          */
 751         /* IMoniker::GetTimeOfLastChange on the pmkToLeft parameter.                                            */
 752
 753         res=CreateGenericComposite(pmkToLeft,iface,&compositeMk);
 754
 755         res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 756
 757         if (IRunningObjectTable_GetTimeOfLastChange(rot,compositeMk,pItemTime)!=S_OK)
 758
 759             res=IMoniker_GetTimeOfLastChange(pmkToLeft,pbc,NULL,pItemTime);
 760
 761         IMoniker_Release(compositeMk);
 762     }
 763
 764     return res;
 765 }
 766
 767 /******************************************************************************
 768  *        ItemMoniker_Inverse
 769  ******************************************************************************/
 770 HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
 771 {
 772     TRACE("(%p,%p)\n",iface,ppmk);
 773
 774     if (ppmk==NULL)
 775         return E_POINTER;
 776
 777     return CreateAntiMoniker(ppmk);
 778 }
 779
 780 /******************************************************************************
 781  *        ItemMoniker_CommonPrefixWith
 782  ******************************************************************************/
 783 HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
 784 {
 785     DWORD mkSys;
 786     IMoniker_IsSystemMoniker(pmkOther,&mkSys);
 787     /* If the other moniker is an item moniker that is equal to this moniker, this method sets *ppmkPrefix */
 788     /* to this moniker and returns MK_S_US */
 789
 790     if((mkSys==MKSYS_ITEMMONIKER) && (IMoniker_IsEqual(iface,pmkOther)==S_OK) ){
 791
 792         *ppmkPrefix=iface;
 793
 794         IMoniker_AddRef(iface);
 795
 796         return MK_S_US;
 797     }
 798     else
 799         /* otherwise, the method calls the MonikerCommonPrefixWith function. This function correctly handles */
 800         /* the case where the other moniker is a generic composite. */
 801         return MonikerCommonPrefixWith(iface,pmkOther,ppmkPrefix);
 802 }
 803
 804 /******************************************************************************
 805  *        ItemMoniker_RelativePathTo
 806  ******************************************************************************/
 807 HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
 808 {
 809     TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
 810
 811     if (ppmkRelPath==NULL)
 812         return E_POINTER;
 813
 814     *ppmkRelPath=0;
 815
 816     return MK_E_NOTBINDABLE;
 817 }
 818
 819 /******************************************************************************
 820  *        ItemMoniker_GetDisplayName
 821  ******************************************************************************/
 822 HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,
 823                                               IBindCtx* pbc,
 824                                               IMoniker* pmkToLeft,
 825                                               LPOLESTR *ppszDisplayName)
 826 {
 827     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 828
 829     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
 830
 831     if (ppszDisplayName==NULL)
 832         return E_POINTER;
 833
 834     if (pmkToLeft!=NULL){
 835         return E_INVALIDARG;
 836     }
 837
 838     *ppszDisplayName=CoTaskMemAlloc(sizeof(WCHAR)*(lstrlenW(This->itemDelimiter)+lstrlenW(This->itemName)+1));
 839
 840     if (*ppszDisplayName==NULL)
 841         return E_OUTOFMEMORY;
 842
 843     lstrcpyW(*ppszDisplayName,This->itemDelimiter);
 844     lstrcatW(*ppszDisplayName,This->itemName);
 845
 846     return S_OK;
 847 }
 848
 849 /******************************************************************************
 850  *        ItemMoniker_ParseDisplayName
 851  ******************************************************************************/
 852 HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,
 853                                                 IBindCtx* pbc,
 854                                                 IMoniker* pmkToLeft,
 855                                                 LPOLESTR pszDisplayName,
 856                                                 ULONG* pchEaten,
 857                                                 IMoniker** ppmkOut)
 858 {
 859     IOleItemContainer* poic=0;
 860     IParseDisplayName* ppdn=0;
 861     LPOLESTR displayName;
 862     HRESULT res;
 863     ItemMonikerImpl *This = (ItemMonikerImpl *)iface;
 864
 865     /* If pmkToLeft is NULL, this method returns MK_E_SYNTAX */
 866     if (pmkToLeft==NULL)
 867
 868         return MK_E_SYNTAX;
 869
 870     else{
 871         /* Otherwise, the method calls IMoniker::BindToObject on the pmkToLeft parameter, requesting an */
 872         /* IParseDisplayName interface pointer to the object identified by the moniker, and passes the display */
 873         /* name to IParseDisplayName::ParseDisplayName */
 874         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 875
 876         if (SUCCEEDED(res)){
 877
 878             res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,&IID_IParseDisplayName,(void**)&ppdn);
 879
 880             res=IMoniker_GetDisplayName(iface,pbc,NULL,&displayName);
 881
 882             res=IParseDisplayName_ParseDisplayName(ppdn,pbc,displayName,pchEaten,ppmkOut);
 883
 884             IOleItemContainer_Release(poic);
 885             IParseDisplayName_Release(ppdn);
 886         }
 887     }
 888     return res;
 889 }
 890
 891 /******************************************************************************
 892  *        ItemMoniker_IsSystemMoniker
 893  ******************************************************************************/
 894 HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
 895 {
 896     TRACE("(%p,%p)\n",iface,pwdMksys);
 897
 898     if (!pwdMksys)
 899         return E_POINTER;
 900
 901     (*pwdMksys)=MKSYS_ITEMMONIKER;
 902
 903     return S_OK;
 904 }
 905
 906 /*******************************************************************************
 907  *        ItemMonikerIROTData_QueryInterface
 908  *******************************************************************************/
 909 HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,VOID** ppvObject)
 910 {
 911
 912     ICOM_THIS_From_IROTData(IMoniker, iface);
 913
 914     TRACE("(%p,%p,%p)\n",iface,riid,ppvObject);
 915
 916     return ItemMonikerImpl_QueryInterface(This, riid, ppvObject);
 917 }
 918
 919 /***********************************************************************
 920  *        ItemMonikerIROTData_AddRef
 921  */
 922 ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData *iface)
 923 {
 924     ICOM_THIS_From_IROTData(IMoniker, iface);
 925
 926     TRACE("(%p)\n",iface);
 927
 928     return ItemMonikerImpl_AddRef(This);
 929 }
 930
 931 /***********************************************************************
 932  *        ItemMonikerIROTData_Release
 933  */
 934 ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface)
 935 {
 936     ICOM_THIS_From_IROTData(IMoniker, iface);
 937
 938     TRACE("(%p)\n",iface);
 939
 940     return ItemMonikerImpl_Release(This);
 941 }
 942
 943 /******************************************************************************
 944  *        ItemMonikerIROTData_GetComparaisonData
 945  ******************************************************************************/
 946 HRESULT WINAPI ItemMonikerROTDataImpl_GetComparaisonData(IROTData* iface,
 947                                                          BYTE* pbData,
 948                                                          ULONG cbMax,
 949                                                          ULONG* pcbData)
 950 {
 951     FIXME("(),stub!\n");
 952     return E_NOTIMPL;
 953 }
 954
 955 /******************************************************************************
 956  *        CreateItemMoniker     [OLE32.@]
 957  ******************************************************************************/
 958 HRESULT WINAPI CreateItemMoniker(LPCOLESTR lpszDelim,LPCOLESTR  lpszItem, LPMONIKER * ppmk)
 959 {
 960     ItemMonikerImpl* newItemMoniker = 0;
 961     HRESULT        hr = S_OK;
 962     IID riid=IID_IMoniker;
 963
 964     TRACE("(%p,%p,%p)\n",lpszDelim,lpszItem,ppmk);
 965
 966     newItemMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(ItemMonikerImpl));
 967
 968     if (newItemMoniker == 0)
 969         return STG_E_INSUFFICIENTMEMORY;
 970
 971     hr = ItemMonikerImpl_Construct(newItemMoniker,lpszDelim,lpszItem);
 972
 973     if (FAILED(hr)){
 974
 975         HeapFree(GetProcessHeap(),0,newItemMoniker);
 976     return hr;
 977     }
 978
 979     return ItemMonikerImpl_QueryInterface((IMoniker*)newItemMoniker,&riid,(void**)ppmk);
 980 }