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
  24 #define NONAMELESSUNION
  25 #define NONAMELESSSTRUCT
  26 #include "winerror.h"
  27 #include "winbase.h"
  28 #include "winnls.h"
  29 #include "wine/debug.h"
  30 #include "ole2.h"
  31 #include "wine/unicode.h"
  32 #include "moniker.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  35
  36 const CLSID CLSID_ItemMoniker = {
  37   0x304, 0, 0, {0xC0, 0, 0, 0, 0, 0, 0, 0x46}
  38 };
  39
  40 /* ItemMoniker data structure */
  41 typedef struct ItemMonikerImpl{
  42
  43     ICOM_VTABLE(IMoniker)*  lpvtbl1;  /* VTable relative to the IMoniker interface.*/
  44
  45     /* The ROT (RunningObjectTable implementation) uses the IROTData interface to test whether
  46      * two monikers are equal. That's whay IROTData interface is implemented by monikers.
  47      */
  48     ICOM_VTABLE(IROTData)*  lpvtbl2;  /* VTable relative to the IROTData interface.*/
  49
  50     ULONG ref; /* reference counter for this object */
  51
  52     LPOLESTR itemName; /* item name identified by this ItemMoniker */
  53
  54     LPOLESTR itemDelimiter; /* Delimiter string */
  55
  56 } ItemMonikerImpl;
  57
  58 /********************************************************************************/
  59 /* ItemMoniker prototype functions :                                            */
  60
  61 /* IUnknown prototype functions */
  62 static HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject);
  63 static ULONG   WINAPI ItemMonikerImpl_AddRef(IMoniker* iface);
  64 static ULONG   WINAPI ItemMonikerImpl_Release(IMoniker* iface);
  65
  66 /* IPersist prototype functions */
  67 static HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface, CLSID *pClassID);
  68
  69 /* IPersistStream prototype functions */
  70 static HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface);
  71 static HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface, IStream* pStm);
  72 static HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty);
  73 static HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize);
  74
  75 /* IMoniker prototype functions */
  76 static HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
  77 static HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
  78 static HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,IBindCtx* pbc, DWORD dwReduceHowFar,IMoniker** ppmkToLeft, IMoniker** ppmkReduced);
  79 static HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,IMoniker* pmkRight,BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite);
  80 static HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker);
  81 static HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker);
  82 static HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash);
  83 static HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, IMoniker* pmkNewlyRunning);
  84 static HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft, FILETIME* pItemTime);
  85 static HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk);
  86 static HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther, IMoniker** ppmkPrefix);
  87 static HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath);
  88 static HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName);
  89 static HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR pszDisplayName, ULONG* pchEaten, IMoniker** ppmkOut);
  90 static HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys);
  91
  92 /* Local function used by ItemMoniker implementation */
  93 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* iface, LPCOLESTR lpszDelim,LPCOLESTR lpszPathName);
  94 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* iface);
  95
  96 /********************************************************************************/
  97 /* IROTData prototype functions                                                 */
  98
  99 /* IUnknown prototype functions */
 100 static HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData* iface,REFIID riid,VOID** ppvObject);
 101 static ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData* iface);
 102 static ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface);
 103
 104 /* IROTData prototype function */
 105 static HRESULT WINAPI ItemMonikerROTDataImpl_GetComparaisonData(IROTData* iface,BYTE* pbData,ULONG cbMax,ULONG* pcbData);
 106
 107 /********************************************************************************/
 108 /* Virtual function table for the ItemMonikerImpl class which  include IPersist,*/
 109 /* IPersistStream and IMoniker functions.                                       */
 110 static ICOM_VTABLE(IMoniker) VT_ItemMonikerImpl =
 111     {
 112     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 113     ItemMonikerImpl_QueryInterface,
 114     ItemMonikerImpl_AddRef,
 115     ItemMonikerImpl_Release,
 116     ItemMonikerImpl_GetClassID,
 117     ItemMonikerImpl_IsDirty,
 118     ItemMonikerImpl_Load,
 119     ItemMonikerImpl_Save,
 120     ItemMonikerImpl_GetSizeMax,
 121     ItemMonikerImpl_BindToObject,
 122     ItemMonikerImpl_BindToStorage,
 123     ItemMonikerImpl_Reduce,
 124     ItemMonikerImpl_ComposeWith,
 125     ItemMonikerImpl_Enum,
 126     ItemMonikerImpl_IsEqual,
 127     ItemMonikerImpl_Hash,
 128     ItemMonikerImpl_IsRunning,
 129     ItemMonikerImpl_GetTimeOfLastChange,
 130     ItemMonikerImpl_Inverse,
 131     ItemMonikerImpl_CommonPrefixWith,
 132     ItemMonikerImpl_RelativePathTo,
 133     ItemMonikerImpl_GetDisplayName,
 134     ItemMonikerImpl_ParseDisplayName,
 135     ItemMonikerImpl_IsSystemMoniker
 136 };
 137
 138 /********************************************************************************/
 139 /* Virtual function table for the IROTData class.                               */
 140 static ICOM_VTABLE(IROTData) VT_ROTDataImpl =
 141 {
 142     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 143     ItemMonikerROTDataImpl_QueryInterface,
 144     ItemMonikerROTDataImpl_AddRef,
 145     ItemMonikerROTDataImpl_Release,
 146     ItemMonikerROTDataImpl_GetComparaisonData
 147 };
 148
 149 /*******************************************************************************
 150  *        ItemMoniker_QueryInterface
 151  *******************************************************************************/
 152 HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
 153 {
 154     ICOM_THIS(ItemMonikerImpl,iface);
 155
 156   TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
 157
 158   /* Perform a sanity check on the parameters.*/
 159     if ( (This==0) || (ppvObject==0) )
 160         return E_INVALIDARG;
 161
 162   /* Initialize the return parameter */
 163   *ppvObject = 0;
 164
 165   /* Compare the riid with the interface IDs implemented by this object.*/
 166   if (IsEqualIID(&IID_IUnknown, riid) ||
 167       IsEqualIID(&IID_IPersist, riid) ||
 168       IsEqualIID(&IID_IPersistStream, riid) ||
 169       IsEqualIID(&IID_IMoniker, riid)
 170      )
 171       *ppvObject = iface;
 172
 173     else if (IsEqualIID(&IID_IROTData, riid))
 174         *ppvObject = (IROTData*)&(This->lpvtbl2);
 175
 176   /* Check that we obtained an interface.*/
 177     if ((*ppvObject)==0)
 178         return E_NOINTERFACE;
 179
 180    /* Query Interface always increases the reference count by one when it is successful */
 181   ItemMonikerImpl_AddRef(iface);
 182
 183   return S_OK;
 184 }
 185
 186 /******************************************************************************
 187  *        ItemMoniker_AddRef
 188  ******************************************************************************/
 189 ULONG WINAPI ItemMonikerImpl_AddRef(IMoniker* iface)
 190 {
 191     ICOM_THIS(ItemMonikerImpl,iface);
 192
 193     TRACE("(%p)\n",This);
 194
 195     return ++(This->ref);
 196 }
 197
 198 /******************************************************************************
 199  *        ItemMoniker_Release
 200  ******************************************************************************/
 201 ULONG WINAPI ItemMonikerImpl_Release(IMoniker* iface)
 202 {
 203     ICOM_THIS(ItemMonikerImpl,iface);
 204
 205     TRACE("(%p)\n",This);
 206
 207     This->ref--;
 208
 209     /* destroy the object if there's no more reference on it */
 210     if (This->ref==0){
 211
 212         ItemMonikerImpl_Destroy(This);
 213
 214         return 0;
 215     }
 216     return This->ref;
 217 }
 218
 219 /******************************************************************************
 220  *        ItemMoniker_GetClassID
 221  ******************************************************************************/
 222 HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
 223 {
 224     TRACE("(%p,%p),stub!\n",iface,pClassID);
 225
 226     if (pClassID==NULL)
 227         return E_POINTER;
 228
 229     *pClassID = CLSID_ItemMoniker;
 230
 231     return S_OK;
 232 }
 233
 234 /******************************************************************************
 235  *        ItemMoniker_IsDirty
 236  ******************************************************************************/
 237 HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface)
 238 {
 239     /* Note that the OLE-provided implementations of the IPersistStream::IsDirty
 240        method in the OLE-provided moniker interfaces always return S_FALSE because
 241        their internal state never changes. */
 242
 243     TRACE("(%p)\n",iface);
 244
 245     return S_FALSE;
 246 }
 247
 248 /******************************************************************************
 249  *        ItemMoniker_Load
 250  ******************************************************************************/
 251 HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface,IStream* pStm)
 252 {
 253
 254     ICOM_THIS(ItemMonikerImpl,iface);
 255     HRESULT res;
 256     DWORD delimiterLength,nameLength,lenW;
 257     CHAR *itemNameA,*itemDelimiterA;
 258     ULONG bread;
 259
 260     /* for more details about data read by this function see coments of ItemMonikerImpl_Save function */
 261
 262     /* read item delimiter string length + 1 */
 263     res=IStream_Read(pStm,&delimiterLength,sizeof(DWORD),&bread);
 264     if (bread != sizeof(DWORD))
 265         return E_FAIL;
 266
 267     /* read item delimiter string */
 268     if (!(itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength)))
 269         return E_OUTOFMEMORY;
 270     res=IStream_Read(pStm,itemDelimiterA,delimiterLength,&bread);
 271     if (bread != delimiterLength)
 272     {
 273         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 274         return E_FAIL;
 275     }
 276
 277     lenW = MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, NULL, 0 );
 278     This->itemDelimiter=HeapReAlloc(GetProcessHeap(),0,This->itemDelimiter,lenW*sizeof(WCHAR));
 279     if (!This->itemDelimiter)
 280     {
 281         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 282         return E_OUTOFMEMORY;
 283     }
 284     MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, This->itemDelimiter, lenW );
 285     HeapFree( GetProcessHeap(), 0, itemDelimiterA );
 286
 287     /* read item name string length + 1*/
 288     res=IStream_Read(pStm,&nameLength,sizeof(DWORD),&bread);
 289     if (bread != sizeof(DWORD))
 290         return E_FAIL;
 291
 292     /* read item name string */
 293     if (!(itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength)))
 294         return E_OUTOFMEMORY;
 295     res=IStream_Read(pStm,itemNameA,nameLength,&bread);
 296     if (bread != nameLength)
 297     {
 298         HeapFree( GetProcessHeap(), 0, itemNameA );
 299         return E_FAIL;
 300     }
 301
 302     lenW = MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, NULL, 0 );
 303     This->itemName=HeapReAlloc(GetProcessHeap(),0,This->itemName,lenW*sizeof(WCHAR));
 304     if (!This->itemName)
 305     {
 306         HeapFree( GetProcessHeap(), 0, itemNameA );
 307         return E_OUTOFMEMORY;
 308     }
 309     MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, This->itemName, lenW );
 310     HeapFree( GetProcessHeap(), 0, itemNameA );
 311
 312     return res;
 313 }
 314
 315 /******************************************************************************
 316  *        ItemMoniker_Save
 317  ******************************************************************************/
 318 HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface,
 319                                     IStream* pStm,/* pointer to the stream where the object is to be saved */
 320                                     BOOL fClearDirty)/* Specifies whether to clear the dirty flag */
 321 {
 322     ICOM_THIS(ItemMonikerImpl,iface);
 323     HRESULT res;
 324     CHAR *itemNameA,*itemDelimiterA;
 325
 326     /* data writen by this function are : 1) DWORD : size of item delimiter string ('\0' included ) */
 327     /*                                    2) String (type A): item delimiter string ('\0' included)          */
 328     /*                                    3) DWORD : size of item name string ('\0' included)       */
 329     /*                                    4) String (type A): item name string ('\0' included)               */
 330
 331     DWORD nameLength = WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, NULL, 0, NULL, NULL);
 332     DWORD delimiterLength = WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, NULL, 0, NULL, NULL);
 333     itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength);
 334     itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength);
 335     WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, itemNameA, nameLength, NULL, NULL);
 336     WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, itemDelimiterA, delimiterLength, NULL, NULL);
 337
 338     res=IStream_Write(pStm,&delimiterLength,sizeof(DWORD),NULL);
 339     res=IStream_Write(pStm,itemDelimiterA,delimiterLength * sizeof(CHAR),NULL);
 340     res=IStream_Write(pStm,&nameLength,sizeof(DWORD),NULL);
 341     res=IStream_Write(pStm,itemNameA,nameLength * sizeof(CHAR),NULL);
 342
 343     return res;
 344 }
 345
 346 /******************************************************************************
 347  *        ItemMoniker_GetSizeMax
 348  ******************************************************************************/
 349 HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface,
 350                                           ULARGE_INTEGER* pcbSize)/* Pointer to size of stream needed to save object */
 351 {
 352     ICOM_THIS(ItemMonikerImpl,iface);
 353     DWORD delimiterLength=lstrlenW(This->itemDelimiter)+1;
 354     DWORD nameLength=lstrlenW(This->itemName)+1;
 355
 356     TRACE("(%p,%p)\n",iface,pcbSize);
 357
 358     if (pcbSize!=NULL)
 359         return E_POINTER;
 360
 361     /* for more details see ItemMonikerImpl_Save coments */
 362
 363     pcbSize->s.LowPart =  sizeof(DWORD) + /* DWORD which contains delimiter length */
 364                         delimiterLength + /* item delimiter string */
 365                         sizeof(DWORD) + /* DWORD which contains item name length */
 366                         nameLength + /* item name string */
 367                         34; /* this constant was added ! because when I tested this function it usually */
 368                             /*  returns 34 bytes more than the number of bytes used by IMoniker::Save function */
 369     pcbSize->s.HighPart=0;
 370
 371     return S_OK;
 372 }
 373
 374 /******************************************************************************
 375  *         ItemMoniker_Construct (local function)
 376  *******************************************************************************/
 377 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* This, LPCOLESTR lpszDelim,LPCOLESTR lpszItem)
 378 {
 379
 380     int sizeStr1=lstrlenW(lpszItem), sizeStr2;
 381     static const OLECHAR emptystr[1];
 382     LPCOLESTR   delim;
 383
 384     TRACE("(%p,%p)\n",This,lpszItem);
 385
 386     /* Initialize the virtual fgunction table. */
 387     This->lpvtbl1      = &VT_ItemMonikerImpl;
 388     This->lpvtbl2      = &VT_ROTDataImpl;
 389     This->ref          = 0;
 390
 391     This->itemName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr1+1));
 392     if (!This->itemName)
 393         return E_OUTOFMEMORY;
 394     lstrcpyW(This->itemName,lpszItem);
 395
 396     if (!lpszDelim)
 397         FIXME("lpszDelim is NULL. Using empty string which is possibly wrong.\n");
 398
 399     delim = lpszDelim ? lpszDelim : emptystr;
 400
 401     sizeStr2=lstrlenW(delim);
 402     This->itemDelimiter=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr2+1));
 403     if (!This->itemDelimiter) {
 404         HeapFree(GetProcessHeap(),0,This->itemName);
 405         return E_OUTOFMEMORY;
 406     }
 407     lstrcpyW(This->itemDelimiter,delim);
 408     return S_OK;
 409 }
 410
 411 /******************************************************************************
 412  *        ItemMoniker_Destroy (local function)
 413  *******************************************************************************/
 414 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* This)
 415 {
 416     TRACE("(%p)\n",This);
 417
 418     if (This->itemName)
 419         HeapFree(GetProcessHeap(),0,This->itemName);
 420
 421     if (This->itemDelimiter)
 422         HeapFree(GetProcessHeap(),0,This->itemDelimiter);
 423
 424     HeapFree(GetProcessHeap(),0,This);
 425
 426     return S_OK;
 427 }
 428
 429 /******************************************************************************
 430  *                  ItemMoniker_BindToObject
 431  ******************************************************************************/
 432 HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,
 433                                             IBindCtx* pbc,
 434                                             IMoniker* pmkToLeft,
 435                                             REFIID riid,
 436                                             VOID** ppvResult)
 437 {
 438     ICOM_THIS(ItemMonikerImpl,iface);
 439
 440     HRESULT   res;
 441     IID    refid=IID_IOleItemContainer;
 442     IOleItemContainer *poic=0;
 443
 444     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 445
 446     if(ppvResult ==NULL)
 447         return E_POINTER;
 448
 449     if(pmkToLeft==NULL)
 450         return E_INVALIDARG;
 451
 452     *ppvResult=0;
 453
 454     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&refid,(void**)&poic);
 455
 456     if (SUCCEEDED(res)){
 457
 458         res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,riid,ppvResult);
 459
 460         IOleItemContainer_Release(poic);
 461     }
 462
 463     return res;
 464 }
 465
 466 /******************************************************************************
 467  *        ItemMoniker_BindToStorage
 468  ******************************************************************************/
 469 HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,
 470                                              IBindCtx* pbc,
 471                                              IMoniker* pmkToLeft,
 472                                              REFIID riid,
 473                                              VOID** ppvResult)
 474 {
 475     ICOM_THIS(ItemMonikerImpl,iface);
 476
 477     HRESULT   res;
 478     IOleItemContainer *poic=0;
 479
 480     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 481
 482     *ppvResult=0;
 483
 484     if(pmkToLeft==NULL)
 485         return E_INVALIDARG;
 486
 487     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
 488
 489     if (SUCCEEDED(res)){
 490
 491         res=IOleItemContainer_GetObjectStorage(poic,This->itemName,pbc,riid,ppvResult);
 492
 493         IOleItemContainer_Release(poic);
 494     }
 495
 496     return res;
 497 }
 498
 499 /******************************************************************************
 500  *        ItemMoniker_Reduce
 501  ******************************************************************************/
 502 HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,
 503                                       IBindCtx* pbc,
 504                                       DWORD dwReduceHowFar,
 505                                       IMoniker** ppmkToLeft,
 506                                       IMoniker** ppmkReduced)
 507 {
 508     TRACE("(%p,%p,%ld,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
 509
 510     if (ppmkReduced==NULL)
 511         return E_POINTER;
 512
 513     ItemMonikerImpl_AddRef(iface);
 514
 515     *ppmkReduced=iface;
 516
 517     return MK_S_REDUCED_TO_SELF;
 518 }
 519 /******************************************************************************
 520  *        ItemMoniker_ComposeWith
 521  ******************************************************************************/
 522 HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,
 523                                            IMoniker* pmkRight,
 524                                            BOOL fOnlyIfNotGeneric,
 525                                            IMoniker** ppmkComposite)
 526 {
 527     HRESULT res=S_OK;
 528     DWORD mkSys,mkSys2;
 529     IEnumMoniker* penumMk=0;
 530     IMoniker *pmostLeftMk=0;
 531     IMoniker* tempMkComposite=0;
 532
 533     TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
 534
 535     if ((ppmkComposite==NULL)||(pmkRight==NULL))
 536         return E_POINTER;
 537
 538     *ppmkComposite=0;
 539
 540     IMoniker_IsSystemMoniker(pmkRight,&mkSys);
 541
 542     /* If pmkRight is an anti-moniker, the returned moniker is NULL */
 543     if(mkSys==MKSYS_ANTIMONIKER)
 544         return res;
 545
 546     else
 547         /* if pmkRight is a composite whose leftmost component is an anti-moniker,           */
 548         /* the returned moniker is the composite after the leftmost anti-moniker is removed. */
 549
 550          if(mkSys==MKSYS_GENERICCOMPOSITE){
 551
 552             res=IMoniker_Enum(pmkRight,TRUE,&penumMk);
 553
 554             if (FAILED(res))
 555                 return res;
 556
 557             res=IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL);
 558
 559             IMoniker_IsSystemMoniker(pmostLeftMk,&mkSys2);
 560
 561             if(mkSys2==MKSYS_ANTIMONIKER){
 562
 563                 IMoniker_Release(pmostLeftMk);
 564
 565                 tempMkComposite=iface;
 566                 IMoniker_AddRef(iface);
 567
 568                 while(IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL)==S_OK){
 569
 570                     res=CreateGenericComposite(tempMkComposite,pmostLeftMk,ppmkComposite);
 571
 572                     IMoniker_Release(tempMkComposite);
 573                     IMoniker_Release(pmostLeftMk);
 574
 575                     tempMkComposite=*ppmkComposite;
 576                     IMoniker_AddRef(tempMkComposite);
 577                 }
 578                 return res;
 579             }
 580             else
 581                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 582          }
 583          /* If pmkRight is not an anti-moniker, the method combines the two monikers into a generic
 584           composite if fOnlyIfNotGeneric is FALSE; if fOnlyIfNotGeneric is TRUE, the method returns
 585           a NULL moniker and a return value of MK_E_NEEDGENERIC */
 586           else
 587             if (!fOnlyIfNotGeneric)
 588                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 589
 590             else
 591                 return MK_E_NEEDGENERIC;
 592 }
 593
 594 /******************************************************************************
 595  *        ItemMoniker_Enum
 596  ******************************************************************************/
 597 HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
 598 {
 599     TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
 600
 601     if (ppenumMoniker == NULL)
 602         return E_POINTER;
 603
 604     *ppenumMoniker = NULL;
 605
 606     return S_OK;
 607 }
 608
 609 /******************************************************************************
 610  *        ItemMoniker_IsEqual
 611  ******************************************************************************/
 612 HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
 613 {
 614
 615     CLSID clsid;
 616     LPOLESTR dispName1,dispName2;
 617     IBindCtx* bind;
 618     HRESULT res = S_FALSE;
 619
 620     TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
 621
 622     if (!pmkOtherMoniker) return S_FALSE;
 623
 624
 625     /* check if both are ItemMoniker */
 626     if(FAILED (IMoniker_GetClassID(pmkOtherMoniker,&clsid))) return S_FALSE;
 627     if(!IsEqualCLSID(&clsid,&CLSID_ItemMoniker)) return S_FALSE;
 628
 629     /* check if both displaynames are the same */
 630     if(SUCCEEDED ((res = CreateBindCtx(0,&bind)))) {
 631         if(SUCCEEDED (IMoniker_GetDisplayName(iface,bind,NULL,&dispName1))) {
 632             if(SUCCEEDED (IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&dispName2))) {
 633                 if(lstrcmpW(dispName1,dispName2)==0) res = S_OK;
 634                 CoTaskMemFree(dispName2);
 635             }
 636             CoTaskMemFree(dispName1);
 637         }
 638     }
 639     return res;
 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     lstrcpyW(*ppszDisplayName,This->itemDelimiter);
 846     lstrcatW(*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 }