dlls/ole32/compositemoniker.c

   1 /*
   2  * CompositeMonikers 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 COBJMACROS
  26 #define NONAMELESSUNION
  27 #define NONAMELESSSTRUCT
  28
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winuser.h"
  32 #include "winerror.h"
  33 #include "wine/debug.h"
  34 #include "wine/unicode.h"
  35 #include "ole2.h"
  36 #include "moniker.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  39
  40 static const CLSID CLSID_CompositeMoniker = {
  41   0x309, 0, 0, {0xC0, 0, 0, 0, 0, 0, 0, 0x46}
  42 };
  43
  44 #define  BLOCK_TAB_SIZE 5 /* represent the first size table and it's increment block size */
  45
  46 /* CompositeMoniker data structure */
  47 typedef struct CompositeMonikerImpl{
  48
  49     const IMonikerVtbl*  lpvtbl1;  /* VTable relative to the IMoniker interface.*/
  50
  51     /* The ROT (RunningObjectTable implementation) uses the IROTData
  52      * interface to test whether two monikers are equal. That's why IROTData
  53      * interface is implemented by monikers.
  54      */
  55     const IROTDataVtbl*  lpvtbl2;  /* VTable relative to the IROTData interface.*/
  56
  57     LONG ref; /* reference counter for this object */
  58
  59     IMoniker** tabMoniker; /* dynamaic table containing all components (monikers) of this composite moniker */
  60
  61     ULONG    tabSize;      /* size of tabMoniker */
  62
  63     ULONG    tabLastIndex;  /* first free index in tabMoniker */
  64
  65 } CompositeMonikerImpl;
  66
  67
  68 /* EnumMoniker data structure */
  69 typedef struct EnumMonikerImpl{
  70
  71     const IEnumMonikerVtbl *lpVtbl;  /* VTable relative to the IEnumMoniker interface.*/
  72
  73     LONG ref; /* reference counter for this object */
  74
  75     IMoniker** tabMoniker; /* dynamic table containing the enumerated monikers */
  76
  77     ULONG      tabSize; /* size of tabMoniker */
  78
  79     ULONG      currentPos;  /* index pointer on the current moniker */
  80
  81 } EnumMonikerImpl;
  82
  83 static inline IMoniker *impl_from_IROTData( IROTData *iface )
  84 {
  85     return (IMoniker *)((char*)iface - FIELD_OFFSET(CompositeMonikerImpl, lpvtbl2));
  86 }
  87
  88 static HRESULT EnumMonikerImpl_CreateEnumMoniker(IMoniker** tabMoniker,ULONG tabSize,ULONG currentPos,BOOL leftToRigth,IEnumMoniker ** ppmk);
  89
  90 /*******************************************************************************
  91  *        CompositeMoniker_QueryInterface
  92  *******************************************************************************/
  93 static HRESULT WINAPI
  94 CompositeMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
  95 {
  96     CompositeMonikerImpl *This = (CompositeMonikerImpl *)iface;
  97
  98     TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
  99
 100     /* Perform a sanity check on the parameters.*/
 101     if ( (This==0) || (ppvObject==0) )
 102         return E_INVALIDARG;
 103
 104     /* Initialize the return parameter */
 105     *ppvObject = 0;
 106
 107     /* Compare the riid with the interface IDs implemented by this object.*/
 108     if (IsEqualIID(&IID_IUnknown, riid) ||
 109         IsEqualIID(&IID_IPersist, riid) ||
 110         IsEqualIID(&IID_IPersistStream, riid) ||
 111         IsEqualIID(&IID_IMoniker, riid)
 112        )
 113         *ppvObject = iface;
 114     else if (IsEqualIID(&IID_IROTData, riid))
 115         *ppvObject = (IROTData*)&(This->lpvtbl2);
 116
 117     /* Check that we obtained an interface.*/
 118     if ((*ppvObject)==0)
 119         return E_NOINTERFACE;
 120
 121     /* Query Interface always increases the reference count by one when it is successful */
 122     IMoniker_AddRef(iface);
 123
 124     return S_OK;
 125 }
 126
 127 /******************************************************************************
 128  *        CompositeMoniker_AddRef
 129  ******************************************************************************/
 130 static ULONG WINAPI
 131 CompositeMonikerImpl_AddRef(IMoniker* iface)
 132 {
 133     CompositeMonikerImpl *This = (CompositeMonikerImpl *)iface;
 134
 135     TRACE("(%p)\n",This);
 136
 137     return InterlockedIncrement(&This->ref);
 138 }
 139
 140 /******************************************************************************
 141  *        CompositeMoniker_Release
 142  ******************************************************************************/
 143 static ULONG WINAPI
 144 CompositeMonikerImpl_Release(IMoniker* iface)
 145 {
 146     CompositeMonikerImpl *This = (CompositeMonikerImpl *)iface;
 147     ULONG i;
 148     ULONG ref;
 149
 150     TRACE("(%p)\n",This);
 151
 152     ref = InterlockedDecrement(&This->ref);
 153
 154     /* destroy the object if there's no more reference on it */
 155     if (ref == 0){
 156
 157         /* release all the components before destroying this object */
 158         for (i=0;i<This->tabLastIndex;i++)
 159             IMoniker_Release(This->tabMoniker[i]);
 160
 161         HeapFree(GetProcessHeap(),0,This->tabMoniker);
 162         HeapFree(GetProcessHeap(),0,This);
 163     }
 164     return ref;
 165 }
 166
 167 /******************************************************************************
 168  *        CompositeMoniker_GetClassID
 169  ******************************************************************************/
 170 static HRESULT WINAPI
 171 CompositeMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
 172 {
 173     TRACE("(%p,%p),stub!\n",iface,pClassID);
 174
 175     if (pClassID==NULL)
 176         return E_POINTER;
 177
 178     *pClassID = CLSID_CompositeMoniker;
 179
 180     return S_OK;
 181 }
 182
 183 /******************************************************************************
 184  *        CompositeMoniker_IsDirty
 185  ******************************************************************************/
 186 static HRESULT WINAPI
 187 CompositeMonikerImpl_IsDirty(IMoniker* iface)
 188 {
 189     /* Note that the OLE-provided implementations of the IPersistStream::IsDirty
 190        method in the OLE-provided moniker interfaces always return S_FALSE because
 191        their internal state never changes. */
 192
 193     TRACE("(%p)\n",iface);
 194
 195     return S_FALSE;
 196 }
 197
 198 /******************************************************************************
 199  *        CompositeMoniker_Load
 200  ******************************************************************************/
 201 static HRESULT WINAPI
 202 CompositeMonikerImpl_Load(IMoniker* iface,IStream* pStm)
 203 {
 204     HRESULT res;
 205     DWORD constant;
 206     CLSID clsid;
 207     WCHAR string[1]={0};
 208
 209     CompositeMonikerImpl *This = (CompositeMonikerImpl *)iface;
 210
 211     TRACE("(%p,%p)\n",iface,pStm);
 212
 213     /* this function call OleLoadFromStream function for each moniker within this object */
 214
 215     /* read the a constant written by CompositeMonikerImpl_Save (see CompositeMonikerImpl_Save for more details)*/
 216     res=IStream_Read(pStm,&constant,sizeof(DWORD),NULL);
 217
 218     if (SUCCEEDED(res)&& constant!=3)
 219         return E_FAIL;
 220
 221     while(1){
 222 #if 0
 223         res=OleLoadFromStream(pStm,&IID_IMoniker,(void**)&This->tabMoniker[This->tabLastIndex]);
 224 #endif
 225         res=ReadClassStm(pStm,&clsid);
 226         DPRINTF("res=%ld",res);
 227         if (FAILED(res))
 228             break;
 229
 230         if (IsEqualIID(&clsid,&CLSID_FileMoniker)){
 231             res=CreateFileMoniker(string,&This->tabMoniker[This->tabLastIndex]);
 232             if (FAILED(res))
 233                 break;
 234             res=IMoniker_Load(This->tabMoniker[This->tabLastIndex],pStm);
 235             if (FAILED(res))
 236                 break;
 237         }
 238         else if (IsEqualIID(&clsid,&CLSID_ItemMoniker)){
 239             CreateItemMoniker(string,string,&This->tabMoniker[This->tabLastIndex]);
 240             if (res!=S_OK)
 241                 break;
 242             IMoniker_Load(This->tabMoniker[This->tabLastIndex],pStm);
 243             if (FAILED(res))
 244                 break;
 245         }
 246         else if (IsEqualIID(&clsid,&CLSID_AntiMoniker)){
 247             CreateAntiMoniker(&This->tabMoniker[This->tabLastIndex]);
 248             if (FAILED(res))
 249                 break;
 250             IMoniker_Load(This->tabMoniker[This->tabLastIndex],pStm);
 251             if (FAILED(res))
 252                 break;
 253         }
 254         else if (IsEqualIID(&clsid,&CLSID_CompositeMoniker))
 255             return E_FAIL;
 256
 257         else
 258         {
 259             FIXME("()\n");
 260             /* FIXME: To whoever wrote this code: It's either return or break. it cannot be both! */
 261             break;
 262             return E_NOTIMPL;
 263         }
 264
 265         /* resize the table if needed */
 266         if (++This->tabLastIndex==This->tabSize){
 267
 268             This->tabSize+=BLOCK_TAB_SIZE;
 269             This->tabMoniker=HeapReAlloc(GetProcessHeap(),0,This->tabMoniker,This->tabSize*sizeof(IMoniker));
 270
 271             if (This->tabMoniker==NULL)
 272             return E_OUTOFMEMORY;
 273         }
 274     }
 275
 276     return res;
 277 }
 278
 279 /******************************************************************************
 280  *        CompositeMoniker_Save
 281  ******************************************************************************/
 282 static HRESULT WINAPI
 283 CompositeMonikerImpl_Save(IMoniker* iface,IStream* pStm,BOOL fClearDirty)
 284 {
 285     HRESULT res;
 286     IEnumMoniker *enumMk;
 287     IMoniker *pmk;
 288     DWORD constant=3;
 289
 290     TRACE("(%p,%p,%d)\n",iface,pStm,fClearDirty);
 291
 292     /* This function calls OleSaveToStream function for each moniker within
 293      * this object.
 294      * When I tested this function in windows, I usually found this constant
 295      * at the beginning of the stream. I don't known why (there's no
 296      * indication in the specification) !
 297      */
 298     res=IStream_Write(pStm,&constant,sizeof(constant),NULL);
 299
 300     IMoniker_Enum(iface,TRUE,&enumMk);
 301
 302     while(IEnumMoniker_Next(enumMk,1,&pmk,NULL)==S_OK){
 303
 304         res=OleSaveToStream((IPersistStream*)pmk,pStm);
 305
 306         IMoniker_Release(pmk);
 307
 308         if (FAILED(res)){
 309
 310             IEnumMoniker_Release(pmk);
 311             return res;
 312         }
 313     }
 314
 315     IEnumMoniker_Release(enumMk);
 316
 317     return S_OK;
 318 }
 319
 320 /******************************************************************************
 321  *        CompositeMoniker_GetSizeMax
 322  ******************************************************************************/
 323 static HRESULT WINAPI
 324 CompositeMonikerImpl_GetSizeMax(IMoniker* iface,ULARGE_INTEGER* pcbSize)
 325 {
 326     IEnumMoniker *enumMk;
 327     IMoniker *pmk;
 328     ULARGE_INTEGER ptmpSize;
 329
 330     /* The sizeMax of this object is calculated by calling  GetSizeMax on
 331      * each moniker within this object then summing all returned values
 332      */
 333
 334     TRACE("(%p,%p)\n",iface,pcbSize);
 335
 336     if (pcbSize!=NULL)
 337         return E_POINTER;
 338
 339     pcbSize->u.LowPart =0;
 340     pcbSize->u.HighPart=0;
 341
 342     IMoniker_Enum(iface,TRUE,&enumMk);
 343
 344     while(IEnumMoniker_Next(enumMk,1,&pmk,NULL)){
 345
 346         IMoniker_GetSizeMax(pmk,&ptmpSize);
 347
 348         IMoniker_Release(pmk);
 349
 350         pcbSize->u.LowPart +=ptmpSize.u.LowPart;
 351         pcbSize->u.HighPart+=ptmpSize.u.HighPart;
 352     }
 353
 354     IEnumMoniker_Release(enumMk);
 355
 356     return S_OK;
 357 }
 358
 359 /******************************************************************************
 360  *                  CompositeMoniker_BindToObject
 361  ******************************************************************************/
 362 static HRESULT WINAPI
 363 CompositeMonikerImpl_BindToObject(IMoniker* iface, IBindCtx* pbc,
 364                IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult)
 365 {
 366     HRESULT   res;
 367     IRunningObjectTable *prot;
 368     IMoniker *tempMk,*antiMk,*mostRigthMk;
 369     IEnumMoniker *enumMoniker;
 370
 371     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 372
 373     if (ppvResult==NULL)
 374         return E_POINTER;
 375
 376     *ppvResult=0;
 377     /* If pmkToLeft is NULL, this method looks for the moniker in the ROT, and if found, queries the retrieved */
 378     /* object for the requested interface pointer. */
 379     if(pmkToLeft==NULL){
 380
 381         res=IBindCtx_GetRunningObjectTable(pbc,&prot);
 382
 383         if (SUCCEEDED(res)){
 384
 385             /* if the requested class was loaded before ! we don't need to reload it */
 386             res = IRunningObjectTable_GetObject(prot,iface,(IUnknown**)ppvResult);
 387
 388             if (res==S_OK)
 389                 return res;
 390         }
 391     }
 392     else{
 393         /* If pmkToLeft is not NULL, the method recursively calls IMoniker::BindToObject on the rightmost */
 394         /* component of the composite, passing the rest of the composite as the pmkToLeft parameter for that call */
 395
 396         IMoniker_Enum(iface,FALSE,&enumMoniker);
 397         IEnumMoniker_Next(enumMoniker,1,&mostRigthMk,NULL);
 398         IEnumMoniker_Release(enumMoniker);
 399
 400         res=CreateAntiMoniker(&antiMk);
 401         res=IMoniker_ComposeWith(iface,antiMk,0,&tempMk);
 402         IMoniker_Release(antiMk);
 403
 404         res=CompositeMonikerImpl_BindToObject(mostRigthMk,pbc,tempMk,riid,ppvResult);
 405
 406         IMoniker_Release(tempMk);
 407         IMoniker_Release(mostRigthMk);
 408     }
 409
 410     return res;
 411 }
 412
 413 /******************************************************************************
 414  *        CompositeMoniker_BindToStorage
 415  ******************************************************************************/
 416 static HRESULT WINAPI
 417 CompositeMonikerImpl_BindToStorage(IMoniker* iface, IBindCtx* pbc,
 418                IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult)
 419 {
 420     HRESULT   res;
 421     IMoniker *tempMk,*antiMk,*mostRigthMk;
 422     IEnumMoniker *enumMoniker;
 423
 424     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
 425
 426     *ppvResult=0;
 427
 428     /* This method recursively calls BindToStorage on the rightmost component of the composite, */
 429     /* passing the rest of the composite as the pmkToLeft parameter for that call. */
 430
 431     if (pmkToLeft!=NULL){
 432
 433         IMoniker_Enum(iface,FALSE,&enumMoniker);
 434         IEnumMoniker_Next(enumMoniker,1,&mostRigthMk,NULL);
 435         IEnumMoniker_Release(enumMoniker);
 436
 437         res=CreateAntiMoniker(&antiMk);
 438         res=IMoniker_ComposeWith(iface,antiMk,0,&tempMk);
 439         IMoniker_Release(antiMk);
 440
 441         res=CompositeMonikerImpl_BindToStorage(mostRigthMk,pbc,tempMk,riid,ppvResult);
 442
 443         IMoniker_Release(tempMk);
 444
 445         IMoniker_Release(mostRigthMk);
 446
 447         return res;
 448     }
 449     else
 450         return IMoniker_BindToStorage(iface,pbc,NULL,riid,ppvResult);
 451 }
 452
 453 /******************************************************************************
 454  *        CompositeMoniker_Reduce
 455  ******************************************************************************/
 456 static HRESULT WINAPI
 457 CompositeMonikerImpl_Reduce(IMoniker* iface, IBindCtx* pbc, DWORD dwReduceHowFar,
 458                IMoniker** ppmkToLeft, IMoniker** ppmkReduced)
 459 {
 460     HRESULT   res;
 461     IMoniker *tempMk,*antiMk,*mostRigthMk,*leftReducedComposedMk,*mostRigthReducedMk;
 462     IEnumMoniker *enumMoniker;
 463
 464     TRACE("(%p,%p,%ld,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
 465
 466     if (ppmkReduced==NULL)
 467         return E_POINTER;
 468
 469     /* This method recursively calls Reduce for each of its component monikers. */
 470
 471     if (ppmkToLeft==NULL){
 472
 473         IMoniker_Enum(iface,FALSE,&enumMoniker);
 474         IEnumMoniker_Next(enumMoniker,1,&mostRigthMk,NULL);
 475         IEnumMoniker_Release(enumMoniker);
 476
 477         res=CreateAntiMoniker(&antiMk);
 478         res=IMoniker_ComposeWith(iface,antiMk,0,&tempMk);
 479         IMoniker_Release(antiMk);
 480
 481         return CompositeMonikerImpl_Reduce(mostRigthMk,pbc,dwReduceHowFar,&tempMk, ppmkReduced);
 482     }
 483     else if (*ppmkToLeft==NULL)
 484
 485         return IMoniker_Reduce(iface,pbc,dwReduceHowFar,NULL,ppmkReduced);
 486
 487     else{
 488
 489         /* separate the composite moniker in to left and right moniker */
 490         IMoniker_Enum(iface,FALSE,&enumMoniker);
 491         IEnumMoniker_Next(enumMoniker,1,&mostRigthMk,NULL);
 492         IEnumMoniker_Release(enumMoniker);
 493
 494         res=CreateAntiMoniker(&antiMk);
 495         res=IMoniker_ComposeWith(iface,antiMk,0,&tempMk);
 496         IMoniker_Release(antiMk);
 497
 498         /* If any of the components  reduces itself, the method returns S_OK and passes back a composite */
 499         /* of the reduced components */
 500         if (IMoniker_Reduce(mostRigthMk,pbc,dwReduceHowFar,NULL,&mostRigthReducedMk) &&
 501             CompositeMonikerImpl_Reduce(mostRigthMk,pbc,dwReduceHowFar,&tempMk,&leftReducedComposedMk)
 502            )
 503
 504             return CreateGenericComposite(leftReducedComposedMk,mostRigthReducedMk,ppmkReduced);
 505
 506         else{
 507             /* If no reduction occurred, the method passes back the same moniker and returns MK_S_REDUCED_TO_SELF.*/
 508
 509             IMoniker_AddRef(iface);
 510
 511             *ppmkReduced=iface;
 512
 513             return MK_S_REDUCED_TO_SELF;
 514         }
 515     }
 516 }
 517
 518 /******************************************************************************
 519  *        CompositeMoniker_ComposeWith
 520  ******************************************************************************/
 521 static HRESULT WINAPI
 522 CompositeMonikerImpl_ComposeWith(IMoniker* iface, IMoniker* pmkRight,
 523                BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite)
 524 {
 525     TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
 526
 527     if ((ppmkComposite==NULL)||(pmkRight==NULL))
 528         return E_POINTER;
 529
 530     *ppmkComposite=0;
 531
 532     /* If fOnlyIfNotGeneric is TRUE, this method sets *pmkComposite to NULL and returns MK_E_NEEDGENERIC; */
 533     /* otherwise, the method returns the result of combining the two monikers by calling the */
 534     /* CreateGenericComposite function */
 535
 536     if (fOnlyIfNotGeneric)
 537         return MK_E_NEEDGENERIC;
 538
 539     return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 540 }
 541
 542 /******************************************************************************
 543  *        CompositeMoniker_Enum
 544  ******************************************************************************/
 545 static HRESULT WINAPI
 546 CompositeMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
 547 {
 548     CompositeMonikerImpl *This = (CompositeMonikerImpl *)iface;
 549
 550     TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
 551
 552     if (ppenumMoniker == NULL)
 553         return E_POINTER;
 554
 555     return EnumMonikerImpl_CreateEnumMoniker(This->tabMoniker,This->tabLastIndex,0,fForward,ppenumMoniker);
 556 }
 557
 558 /******************************************************************************
 559  *        CompositeMoniker_IsEqual
 560  ******************************************************************************/
 561 static HRESULT WINAPI
 562 CompositeMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
 563 {
 564     IEnumMoniker *enumMoniker1,*enumMoniker2;
 565     IMoniker *tempMk1,*tempMk2;
 566     HRESULT res1,res2,res;
 567
 568     TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
 569
 570     if (pmkOtherMoniker==NULL)
 571         return S_FALSE;
 572
 573     /* This method returns S_OK if the components of both monikers are equal when compared in the */
 574     /* left-to-right order.*/
 575     IMoniker_Enum(pmkOtherMoniker,TRUE,&enumMoniker1);
 576
 577     if (enumMoniker1==NULL)
 578         return S_FALSE;
 579
 580     IMoniker_Enum(iface,TRUE,&enumMoniker2);
 581
 582     while(1){
 583
 584         res1=IEnumMoniker_Next(enumMoniker1,1,&tempMk1,NULL);
 585         res2=IEnumMoniker_Next(enumMoniker2,1,&tempMk2,NULL);
 586
 587         if((res1==S_OK)&&(res2==S_OK)){
 588
 589             if(IMoniker_IsEqual(tempMk1,tempMk2)==S_FALSE){
 590                 res= S_FALSE;
 591                 break;
 592             }
 593             else
 594                 continue;
 595         }
 596         else if ( (res1==S_FALSE) && (res2==S_FALSE) ){
 597                 res = S_OK;
 598                 break;
 599         }
 600         else{
 601             res = S_FALSE;
 602             break;
 603         }
 604
 605         if (res1==S_OK)
 606             IMoniker_Release(tempMk1);
 607
 608         if (res2==S_OK)
 609             IMoniker_Release(tempMk2);
 610     }
 611
 612     IEnumMoniker_Release(enumMoniker1);
 613     IEnumMoniker_Release(enumMoniker2);
 614
 615     return res;
 616 }
 617 /******************************************************************************
 618  *        CompositeMoniker_Hash
 619  ******************************************************************************/
 620 static HRESULT WINAPI
 621 CompositeMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
 622 {
 623     IEnumMoniker *enumMoniker;
 624     IMoniker *tempMk;
 625     HRESULT res;
 626     DWORD tempHash;
 627
 628     TRACE("(%p,%p)\n",iface,pdwHash);
 629
 630     if (pdwHash==NULL)
 631         return E_POINTER;
 632
 633     res = IMoniker_Enum(iface,TRUE,&enumMoniker);
 634     if(FAILED(res))
 635         return res;
 636
 637     while(1){
 638         res=IEnumMoniker_Next(enumMoniker,1,&tempMk,NULL);
 639         if(FAILED(res))
 640             break;
 641
 642         res = IMoniker_Hash(tempMk, &tempHash);
 643         if(FAILED(res))
 644             break;
 645         *pdwHash = (*pdwHash * 37) + tempHash;
 646
 647         IMoniker_Release(tempMk);
 648     }
 649
 650     IEnumMoniker_Release(enumMoniker);
 651
 652     return res;
 653 }
 654
 655 /******************************************************************************
 656  *        CompositeMoniker_IsRunning
 657  ******************************************************************************/
 658 static HRESULT WINAPI
 659 CompositeMonikerImpl_IsRunning(IMoniker* iface, IBindCtx* pbc,
 660                IMoniker* pmkToLeft, IMoniker* pmkNewlyRunning)
 661 {
 662     IRunningObjectTable* rot;
 663     HRESULT res;
 664     IMoniker *tempMk,*antiMk,*mostRigthMk;
 665     IEnumMoniker *enumMoniker;
 666
 667     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
 668
 669     /* If pmkToLeft is non-NULL, this method composes pmkToLeft with this moniker and calls IsRunning on the result.*/
 670     if (pmkToLeft!=NULL){
 671
 672         CreateGenericComposite(pmkToLeft,iface,&tempMk);
 673
 674         res = IMoniker_IsRunning(tempMk,pbc,NULL,pmkNewlyRunning);
 675
 676         IMoniker_Release(tempMk);
 677
 678         return res;
 679     }
 680     else
 681         /* If pmkToLeft is NULL, this method returns S_OK if pmkNewlyRunning is non-NULL and is equal */
 682         /* to this moniker */
 683
 684         if (pmkNewlyRunning!=NULL)
 685
 686             if (IMoniker_IsEqual(iface,pmkNewlyRunning)==S_OK)
 687                 return S_OK;
 688
 689             else
 690                 return S_FALSE;
 691
 692         else{
 693
 694             if (pbc==NULL)
 695                 return E_POINTER;
 696
 697             /* If pmkToLeft and pmkNewlyRunning are both NULL, this method checks the ROT to see whether */
 698             /* the moniker is running. If so, the method returns S_OK; otherwise, it recursively calls   */
 699             /* IMoniker::IsRunning on the rightmost component of the composite, passing the remainder of */
 700             /* the composite as the pmkToLeft parameter for that call.                                   */
 701
 702              res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 703
 704             if (FAILED(res))
 705                 return res;
 706
 707             res = IRunningObjectTable_IsRunning(rot,iface);
 708             IRunningObjectTable_Release(rot);
 709
 710             if(res==S_OK)
 711                 return S_OK;
 712
 713             else{
 714
 715                 IMoniker_Enum(iface,FALSE,&enumMoniker);
 716                 IEnumMoniker_Next(enumMoniker,1,&mostRigthMk,NULL);
 717                 IEnumMoniker_Release(enumMoniker);
 718
 719                 res=CreateAntiMoniker(&antiMk);
 720                 res=IMoniker_ComposeWith(iface,antiMk,0,&tempMk);
 721                 IMoniker_Release(antiMk);
 722
 723                 res=IMoniker_IsRunning(mostRigthMk,pbc,tempMk,pmkNewlyRunning);
 724
 725                 IMoniker_Release(tempMk);
 726                 IMoniker_Release(mostRigthMk);
 727
 728                 return res;
 729             }
 730         }
 731 }
 732
 733 /******************************************************************************
 734  *        CompositeMoniker_GetTimeOfLastChange
 735  ******************************************************************************/
 736 static HRESULT WINAPI
 737 CompositeMonikerImpl_GetTimeOfLastChange(IMoniker* iface, IBindCtx* pbc,
 738                IMoniker* pmkToLeft, FILETIME* pCompositeTime)
 739 {
 740     IRunningObjectTable* rot;
 741     HRESULT res;
 742     IMoniker *tempMk,*antiMk,*mostRigthMk;
 743     IEnumMoniker *enumMoniker;
 744
 745     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pCompositeTime);
 746
 747     if (pCompositeTime==NULL)
 748         return E_INVALIDARG;
 749
 750     /* This method creates a composite of pmkToLeft (if non-NULL) and this moniker and uses the ROT to  */
 751     /* retrieve the time of last change. If the object is not in the ROT, the method recursively calls  */
 752     /* IMoniker::GetTimeOfLastChange on the rightmost component of the composite, passing the remainder */
 753     /* of the composite as the pmkToLeft parameter for that call.                                       */
 754     if (pmkToLeft!=NULL){
 755
 756         res=CreateGenericComposite(pmkToLeft,iface,&tempMk);
 757
 758         res=IBindCtx_GetRunningObjectTable(pbc,&rot);
 759
 760         if (FAILED(res))
 761             return res;
 762
 763         if (IRunningObjectTable_GetTimeOfLastChange(rot,tempMk,pCompositeTime)==S_OK)
 764             return res;
 765         else
 766
 767             IMoniker_Enum(iface,FALSE,&enumMoniker);
 768             IEnumMoniker_Next(enumMoniker,1,&mostRigthMk,NULL);
 769             IEnumMoniker_Release(enumMoniker);
 770
 771             res=CreateAntiMoniker(&antiMk);
 772             res=IMoniker_ComposeWith(iface,antiMk,0,&tempMk);
 773             IMoniker_Release(antiMk);
 774
 775             res=CompositeMonikerImpl_GetTimeOfLastChange(mostRigthMk,pbc,tempMk,pCompositeTime);
 776
 777             IMoniker_Release(tempMk);
 778             IMoniker_Release(mostRigthMk);
 779
 780             return res;
 781     }
 782     else
 783         return IMoniker_GetTimeOfLastChange(iface,pbc,NULL,pCompositeTime);
 784 }
 785
 786 /******************************************************************************
 787  *        CompositeMoniker_Inverse
 788  ******************************************************************************/
 789 static HRESULT WINAPI
 790 CompositeMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
 791 {
 792     HRESULT res;
 793     IMoniker *tempMk,*antiMk,*mostRigthMk,*tempInvMk,*mostRigthInvMk;
 794     IEnumMoniker *enumMoniker;
 795
 796     TRACE("(%p,%p)\n",iface,ppmk);
 797
 798     if (ppmk==NULL)
 799         return E_POINTER;
 800
 801     /* This method returns a composite moniker that consists of the inverses of each of the components */
 802     /* of the original composite, stored in reverse order */
 803
 804     res=CreateAntiMoniker(&antiMk);
 805     res=IMoniker_ComposeWith(iface,antiMk,0,&tempMk);
 806     IMoniker_Release(antiMk);
 807
 808     if (tempMk==NULL)
 809
 810         return IMoniker_Inverse(iface,ppmk);
 811
 812     else{
 813
 814         IMoniker_Enum(iface,FALSE,&enumMoniker);
 815         IEnumMoniker_Next(enumMoniker,1,&mostRigthMk,NULL);
 816         IEnumMoniker_Release(enumMoniker);
 817
 818         IMoniker_Inverse(mostRigthMk,&mostRigthInvMk);
 819         CompositeMonikerImpl_Inverse(tempMk,&tempInvMk);
 820
 821         res=CreateGenericComposite(mostRigthInvMk,tempInvMk,ppmk);
 822
 823         IMoniker_Release(tempMk);
 824         IMoniker_Release(mostRigthMk);
 825         IMoniker_Release(tempInvMk);
 826         IMoniker_Release(mostRigthInvMk);
 827
 828         return res;
 829     }
 830 }
 831
 832 /******************************************************************************
 833  *        CompositeMoniker_CommonPrefixWith
 834  ******************************************************************************/
 835 static HRESULT WINAPI
 836 CompositeMonikerImpl_CommonPrefixWith(IMoniker* iface, IMoniker* pmkOther,
 837                IMoniker** ppmkPrefix)
 838 {
 839     DWORD mkSys;
 840     HRESULT res1,res2;
 841     IMoniker *tempMk1,*tempMk2,*mostLeftMk1,*mostLeftMk2;
 842     IEnumMoniker *enumMoniker1,*enumMoniker2;
 843     ULONG i,nbCommonMk=0;
 844
 845     /* If the other moniker is a composite, this method compares the components of each composite from left  */
 846     /* to right. The returned common prefix moniker might also be a composite moniker, depending on how many */
 847     /* of the leftmost components were common to both monikers.                                              */
 848
 849     if (ppmkPrefix==NULL)
 850         return E_POINTER;
 851
 852     *ppmkPrefix=0;
 853
 854     if (pmkOther==NULL)
 855         return MK_E_NOPREFIX;
 856
 857     IMoniker_IsSystemMoniker(pmkOther,&mkSys);
 858
 859     if((mkSys==MKSYS_GENERICCOMPOSITE)){
 860
 861         IMoniker_Enum(iface,TRUE,&enumMoniker1);
 862         IMoniker_Enum(pmkOther,TRUE,&enumMoniker2);
 863
 864         while(1){
 865
 866             res1=IEnumMoniker_Next(enumMoniker1,1,&mostLeftMk1,NULL);
 867             res2=IEnumMoniker_Next(enumMoniker2,1,&mostLeftMk2,NULL);
 868
 869             if ((res1==S_FALSE) && (res2==S_FALSE)){
 870
 871                 /* If the monikers are equal, the method returns MK_S_US and sets ppmkPrefix to this moniker.*/
 872                 *ppmkPrefix=iface;
 873                 IMoniker_AddRef(iface);
 874                 return  MK_S_US;
 875             }
 876             else if ((res1==S_OK) && (res2==S_OK)){
 877
 878                 if (IMoniker_IsEqual(mostLeftMk1,mostLeftMk2)==S_OK)
 879
 880                     nbCommonMk++;
 881
 882                 else
 883                     break;
 884
 885             }
 886             else if (res1==S_OK){
 887
 888                 /* If the other moniker is a prefix of this moniker, the method returns MK_S_HIM and sets */
 889                 /* ppmkPrefix to the other moniker.                                                       */
 890                 *ppmkPrefix=pmkOther;
 891                 return MK_S_HIM;
 892             }
 893             else{
 894                 /* If this moniker is a prefix of the other, this method returns MK_S_ME and sets ppmkPrefix */
 895                 /* to this moniker.                                                                          */
 896                 *ppmkPrefix=iface;
 897                 return MK_S_ME;
 898             }
 899         }
 900
 901         IEnumMoniker_Release(enumMoniker1);
 902         IEnumMoniker_Release(enumMoniker2);
 903
 904         /* If there is no common prefix, this method returns MK_E_NOPREFIX and sets ppmkPrefix to NULL. */
 905         if (nbCommonMk==0)
 906             return MK_E_NOPREFIX;
 907
 908         IEnumMoniker_Reset(enumMoniker1);
 909
 910         IEnumMoniker_Next(enumMoniker1,1,&tempMk1,NULL);
 911
 912         /* if we have more than one commun moniker the result will be a composite moniker */
 913         if (nbCommonMk>1){
 914
 915             /* initialize the common prefix moniker with the composite of two first moniker (from the left)*/
 916             IEnumMoniker_Next(enumMoniker1,1,&tempMk2,NULL);
 917             CreateGenericComposite(tempMk1,tempMk2,ppmkPrefix);
 918             IMoniker_Release(tempMk1);
 919             IMoniker_Release(tempMk2);
 920
 921             /* compose all common monikers in a composite moniker */
 922             for(i=0;i<nbCommonMk;i++){
 923
 924                 IEnumMoniker_Next(enumMoniker1,1,&tempMk1,NULL);
 925
 926                 CreateGenericComposite(*ppmkPrefix,tempMk1,&tempMk2);
 927
 928                 IMoniker_Release(*ppmkPrefix);
 929
 930                 IMoniker_Release(tempMk1);
 931
 932                 *ppmkPrefix=tempMk2;
 933             }
 934             return S_OK;
 935         }
 936         else{
 937             /* if we have only one commun moniker the result will be a simple moniker which is the most-left one*/
 938             *ppmkPrefix=tempMk1;
 939
 940             return S_OK;
 941         }
 942     }
 943     else{
 944         /* If the other moniker is not a composite, the method simply compares it to the leftmost component
 945          of this moniker.*/
 946
 947         IMoniker_Enum(iface,TRUE,&enumMoniker1);
 948
 949         IEnumMoniker_Next(enumMoniker1,1,&mostLeftMk1,NULL);
 950
 951         if (IMoniker_IsEqual(pmkOther,mostLeftMk1)==S_OK){
 952
 953             *ppmkPrefix=pmkOther;
 954
 955             return MK_S_HIM;
 956         }
 957         else
 958             return MK_E_NOPREFIX;
 959     }
 960 }
 961
 962 /***************************************************************************************************
 963  *        GetAfterCommonPrefix (local function)
 964  *  This function returns a moniker that consist of the remainder when the common prefix is removed
 965  ***************************************************************************************************/
 966 static VOID GetAfterCommonPrefix(IMoniker* pGenMk,IMoniker* commonMk,IMoniker** restMk)
 967 {
 968     IMoniker *tempMk,*tempMk1,*tempMk2;
 969     IEnumMoniker *enumMoniker1,*enumMoniker2,*enumMoniker3;
 970     ULONG nbRestMk=0;
 971     DWORD mkSys;
 972     HRESULT res1,res2;
 973
 974     *restMk=0;
 975
 976     /* to create an enumerator for pGenMk with current position pointed on the first element after common  */
 977     /* prefix: enum the two monikers (left-right) then compare these enumerations (left-right) and stop  */
 978     /* on the first difference. */
 979     IMoniker_Enum(pGenMk,TRUE,&enumMoniker1);
 980
 981     IMoniker_IsSystemMoniker(commonMk,&mkSys);
 982
 983     if (mkSys==MKSYS_GENERICCOMPOSITE){
 984
 985         IMoniker_Enum(commonMk,TRUE,&enumMoniker2);
 986         while(1){
 987
 988             res1=IEnumMoniker_Next(enumMoniker1,1,&tempMk1,NULL);
 989             res2=IEnumMoniker_Next(enumMoniker2,1,&tempMk2,NULL);
 990
 991             if ((res1==S_FALSE)||(res2==S_FALSE)){
 992
 993                 if (res1==S_OK)
 994
 995                     nbRestMk++;
 996
 997                 IMoniker_Release(tempMk1);
 998                 IMoniker_Release(tempMk1);
 999
1000                 break;
1001             }
1002             IMoniker_Release(tempMk1);
1003             IMoniker_Release(tempMk1);
1004         }
1005     }
1006     else{
1007         IEnumMoniker_Next(enumMoniker1,1,&tempMk1,NULL);
1008         IMoniker_Release(tempMk1);
1009     }
1010
1011     /* count the number of elements in the enumerator after the common prefix */
1012     IEnumMoniker_Clone(enumMoniker1,&enumMoniker3);
1013
1014     for(;IEnumMoniker_Next(enumMoniker3,1,&tempMk,NULL)==S_OK;nbRestMk++)
1015
1016         IMoniker_Release(tempMk);
1017
1018     if (nbRestMk==0)
1019         return;
1020
1021     /* create a generic composite moniker with monikers located after the common prefix */
1022     IEnumMoniker_Next(enumMoniker1,1,&tempMk1,NULL);
1023
1024     if (nbRestMk==1){
1025
1026         *restMk= tempMk1;
1027         return;
1028     }
1029     else {
1030
1031         IEnumMoniker_Next(enumMoniker1,1,&tempMk2,NULL);
1032
1033         CreateGenericComposite(tempMk1,tempMk2,restMk);
1034
1035         IMoniker_Release(tempMk1);
1036
1037         IMoniker_Release(tempMk2);
1038
1039         while(IEnumMoniker_Next(enumMoniker1,1,&tempMk1,NULL)==S_OK){
1040
1041             CreateGenericComposite(*restMk,tempMk1,&tempMk2);
1042
1043             IMoniker_Release(tempMk1);
1044
1045             IMoniker_Release(*restMk);
1046
1047             *restMk=tempMk2;
1048         }
1049     }
1050 }
1051
1052 /******************************************************************************
1053  *        CompositeMoniker_RelativePathTo
1054  ******************************************************************************/
1055 static HRESULT WINAPI
1056 CompositeMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmkOther,
1057                IMoniker** ppmkRelPath)
1058 {
1059     HRESULT res;
1060     IMoniker *restOtherMk=0,*restThisMk=0,*invRestThisMk=0,*commonMk=0;
1061
1062     TRACE("(%p,%p,%p)\n",iface,pmkOther,ppmkRelPath);
1063
1064     if (ppmkRelPath==NULL)
1065         return E_POINTER;
1066
1067     *ppmkRelPath=0;
1068
1069     /* This method finds the common prefix of the two monikers and creates two monikers that consist     */
1070     /* of the remainder when the common prefix is removed. Then it creates the inverse for the remainder */
1071     /* of this moniker and composes the remainder of the other moniker on the right of it.               */
1072
1073     /* finds the common prefix of the two monikers */
1074     res=IMoniker_CommonPrefixWith(iface,pmkOther,&commonMk);
1075
1076     /* if there's no common prefix or the two moniker are equal the relative is the other moniker */
1077     if ((res== MK_E_NOPREFIX)||(res==MK_S_US)){
1078
1079         *ppmkRelPath=pmkOther;
1080         IMoniker_AddRef(pmkOther);
1081         return MK_S_HIM;
1082     }
1083
1084     GetAfterCommonPrefix(iface,commonMk,&restThisMk);
1085     GetAfterCommonPrefix(pmkOther,commonMk,&restOtherMk);
1086
1087     /* if other is a prefix of this moniker the relative path is the inverse of the remainder path of this */
1088     /* moniker when the common prefix is removed                                                           */
1089     if (res==MK_S_HIM){
1090
1091         IMoniker_Inverse(restThisMk,ppmkRelPath);
1092         IMoniker_Release(restThisMk);
1093     }
1094     /* if this moniker is a prefix of other moniker the relative path is the remainder path of other moniker */
1095     /* when the common prefix is removed                                                                     */
1096     else if (res==MK_S_ME){
1097
1098         *ppmkRelPath=restOtherMk;
1099         IMoniker_AddRef(restOtherMk);
1100     }
1101     /* the relative path is the inverse for the remainder of this moniker and the remainder of the other  */
1102     /* moniker on the right of it.                                                                        */
1103     else if (res==S_OK){
1104
1105         IMoniker_Inverse(restThisMk,&invRestThisMk);
1106         IMoniker_Release(restThisMk);
1107         CreateGenericComposite(invRestThisMk,restOtherMk,ppmkRelPath);
1108         IMoniker_Release(invRestThisMk);
1109         IMoniker_Release(restOtherMk);
1110     }
1111     return S_OK;
1112 }
1113
1114 /******************************************************************************
1115  *        CompositeMoniker_GetDisplayName
1116  ******************************************************************************/
1117 static HRESULT WINAPI
1118 CompositeMonikerImpl_GetDisplayName(IMoniker* iface, IBindCtx* pbc,
1119                IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName)
1120 {
1121     ULONG lengthStr=1;
1122     IEnumMoniker *enumMoniker;
1123     IMoniker* tempMk;
1124     LPOLESTR tempStr;
1125
1126     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
1127
1128     if (ppszDisplayName==NULL)
1129         return E_POINTER;
1130
1131     *ppszDisplayName=CoTaskMemAlloc(sizeof(WCHAR));
1132
1133     if (*ppszDisplayName==NULL)
1134         return E_OUTOFMEMORY;
1135
1136     /* This method returns the concatenation of the display names returned by each component moniker of */
1137     /* the composite */
1138
1139     **ppszDisplayName=0;
1140
1141     IMoniker_Enum(iface,TRUE,&enumMoniker);
1142
1143     while(IEnumMoniker_Next(enumMoniker,1,&tempMk,NULL)==S_OK){
1144
1145         IMoniker_GetDisplayName(tempMk,pbc,NULL,&tempStr);
1146
1147         lengthStr+=lstrlenW(tempStr);
1148
1149         *ppszDisplayName=CoTaskMemRealloc(*ppszDisplayName,lengthStr * sizeof(WCHAR));
1150
1151         if (*ppszDisplayName==NULL)
1152             return E_OUTOFMEMORY;
1153
1154         strcatW(*ppszDisplayName,tempStr);
1155
1156         CoTaskMemFree(tempStr);
1157         IMoniker_Release(tempMk);
1158     }
1159
1160     IEnumMoniker_Release(enumMoniker);
1161
1162     return S_OK;
1163 }
1164
1165 /******************************************************************************
1166  *        CompositeMoniker_ParseDisplayName
1167  ******************************************************************************/
1168 static HRESULT WINAPI
1169 CompositeMonikerImpl_ParseDisplayName(IMoniker* iface, IBindCtx* pbc,
1170                IMoniker* pmkToLeft, LPOLESTR pszDisplayName, ULONG* pchEaten,
1171                IMoniker** ppmkOut)
1172 {
1173     IEnumMoniker *enumMoniker;
1174     IMoniker *tempMk,*mostRigthMk,*antiMk;
1175     /* This method recursively calls IMoniker::ParseDisplayName on the rightmost component of the composite,*/
1176     /* passing everything else as the pmkToLeft parameter for that call. */
1177
1178     /* get the most right moniker */
1179     IMoniker_Enum(iface,FALSE,&enumMoniker);
1180     IEnumMoniker_Next(enumMoniker,1,&mostRigthMk,NULL);
1181     IEnumMoniker_Release(enumMoniker);
1182
1183     /* get the left moniker */
1184     CreateAntiMoniker(&antiMk);
1185     IMoniker_ComposeWith(iface,antiMk,0,&tempMk);
1186     IMoniker_Release(antiMk);
1187
1188     return IMoniker_ParseDisplayName(mostRigthMk,pbc,tempMk,pszDisplayName,pchEaten,ppmkOut);
1189 }
1190
1191 /******************************************************************************
1192  *        CompositeMoniker_IsSystemMoniker
1193  ******************************************************************************/
1194 static HRESULT WINAPI
1195 CompositeMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
1196 {
1197     TRACE("(%p,%p)\n",iface,pwdMksys);
1198
1199     if (!pwdMksys)
1200         return E_POINTER;
1201
1202     (*pwdMksys)=MKSYS_GENERICCOMPOSITE;
1203
1204     return S_OK;
1205 }
1206
1207 /*******************************************************************************
1208  *        CompositeMonikerIROTData_QueryInterface
1209  *******************************************************************************/
1210 static HRESULT WINAPI
1211 CompositeMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,
1212                VOID** ppvObject)
1213 {
1214
1215     IMoniker *This = impl_from_IROTData(iface);
1216
1217     TRACE("(%p,%p,%p)\n",iface,riid,ppvObject);
1218
1219     return CompositeMonikerImpl_QueryInterface(This, riid, ppvObject);
1220 }
1221
1222 /***********************************************************************
1223  *        CompositeMonikerIROTData_AddRef
1224  */
1225 static ULONG WINAPI
1226 CompositeMonikerROTDataImpl_AddRef(IROTData *iface)
1227 {
1228     IMoniker *This = impl_from_IROTData(iface);
1229
1230     TRACE("(%p)\n",iface);
1231
1232     return IMoniker_AddRef(This);
1233 }
1234
1235 /***********************************************************************
1236  *        CompositeMonikerIROTData_Release
1237  */
1238 static ULONG WINAPI CompositeMonikerROTDataImpl_Release(IROTData* iface)
1239 {
1240     IMoniker *This = impl_from_IROTData(iface);
1241
1242     TRACE("(%p)\n",iface);
1243
1244     return IMoniker_Release(This);
1245 }
1246
1247 /******************************************************************************
1248  *        CompositeMonikerIROTData_GetComparaisonData
1249  ******************************************************************************/
1250 static HRESULT WINAPI
1251 CompositeMonikerROTDataImpl_GetComparaisonData(IROTData* iface,
1252                BYTE* pbData, ULONG cbMax, ULONG* pcbData)
1253 {
1254     FIXME("(),stub!\n");
1255     return E_NOTIMPL;
1256 }
1257
1258 /******************************************************************************
1259  *        EnumMonikerImpl_QueryInterface
1260  ******************************************************************************/
1261 static HRESULT WINAPI
1262 EnumMonikerImpl_QueryInterface(IEnumMoniker* iface,REFIID riid,void** ppvObject)
1263 {
1264     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1265
1266     TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
1267
1268     /* Perform a sanity check on the parameters.*/
1269     if ( (This==0) || (ppvObject==0) )
1270         return E_INVALIDARG;
1271
1272     /* Initialize the return parameter */
1273     *ppvObject = 0;
1274
1275     /* Compare the riid with the interface IDs implemented by this object.*/
1276     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumMoniker, riid))
1277         *ppvObject = iface;
1278
1279     /* Check that we obtained an interface.*/
1280     if ((*ppvObject)==0)
1281         return E_NOINTERFACE;
1282
1283     /* Query Interface always increases the reference count by one when it is successful */
1284     IEnumMoniker_AddRef(iface);
1285
1286     return S_OK;
1287 }
1288
1289 /******************************************************************************
1290  *        EnumMonikerImpl_AddRef
1291  ******************************************************************************/
1292 static ULONG WINAPI
1293 EnumMonikerImpl_AddRef(IEnumMoniker* iface)
1294 {
1295     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1296
1297     TRACE("(%p)\n",This);
1298
1299     return InterlockedIncrement(&This->ref);
1300
1301 }
1302
1303 /******************************************************************************
1304  *        EnumMonikerImpl_Release
1305  ******************************************************************************/
1306 static ULONG WINAPI
1307 EnumMonikerImpl_Release(IEnumMoniker* iface)
1308 {
1309     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1310     ULONG i;
1311     ULONG ref;
1312     TRACE("(%p)\n",This);
1313
1314     ref = InterlockedDecrement(&This->ref);
1315
1316     /* destroy the object if there's no more reference on it */
1317     if (ref == 0) {
1318
1319         for(i=0;i<This->tabSize;i++)
1320             IMoniker_Release(This->tabMoniker[i]);
1321
1322         HeapFree(GetProcessHeap(),0,This->tabMoniker);
1323         HeapFree(GetProcessHeap(),0,This);
1324     }
1325     return ref;
1326 }
1327
1328 /******************************************************************************
1329  *        EnumMonikerImpl_Next
1330  ******************************************************************************/
1331 static HRESULT WINAPI
1332 EnumMonikerImpl_Next(IEnumMoniker* iface,ULONG celt, IMoniker** rgelt,
1333                ULONG* pceltFethed)
1334 {
1335     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1336     ULONG i;
1337
1338     /* retrieve the requested number of moniker from the current position */
1339     for(i=0;((This->currentPos < This->tabSize) && (i < celt));i++)
1340
1341         rgelt[i]=This->tabMoniker[This->currentPos++];
1342
1343     if (pceltFethed!=NULL)
1344         *pceltFethed= i;
1345
1346     if (i==celt)
1347         return S_OK;
1348     else
1349         return S_FALSE;
1350 }
1351
1352 /******************************************************************************
1353  *        EnumMonikerImpl_Skip
1354  ******************************************************************************/
1355 static HRESULT WINAPI
1356 EnumMonikerImpl_Skip(IEnumMoniker* iface,ULONG celt)
1357 {
1358     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1359
1360     if ((This->currentPos+celt) >= This->tabSize)
1361         return S_FALSE;
1362
1363     This->currentPos+=celt;
1364
1365     return S_OK;
1366 }
1367
1368 /******************************************************************************
1369  *        EnumMonikerImpl_Reset
1370  ******************************************************************************/
1371 static HRESULT WINAPI
1372 EnumMonikerImpl_Reset(IEnumMoniker* iface)
1373 {
1374
1375     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1376
1377     This->currentPos=0;
1378
1379     return S_OK;
1380 }
1381
1382 /******************************************************************************
1383  *        EnumMonikerImpl_Clone
1384  ******************************************************************************/
1385 static HRESULT WINAPI
1386 EnumMonikerImpl_Clone(IEnumMoniker* iface,IEnumMoniker** ppenum)
1387 {
1388     EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1389
1390     return EnumMonikerImpl_CreateEnumMoniker(This->tabMoniker,This->tabSize,This->currentPos,TRUE,ppenum);
1391 }
1392
1393 /********************************************************************************/
1394 /* Virtual function table for the IROTData class                                */
1395 static const IEnumMonikerVtbl VT_EnumMonikerImpl =
1396 {
1397     EnumMonikerImpl_QueryInterface,
1398     EnumMonikerImpl_AddRef,
1399     EnumMonikerImpl_Release,
1400     EnumMonikerImpl_Next,
1401     EnumMonikerImpl_Skip,
1402     EnumMonikerImpl_Reset,
1403     EnumMonikerImpl_Clone
1404 };
1405
1406 /******************************************************************************
1407  *        EnumMonikerImpl_CreateEnumMoniker
1408  ******************************************************************************/
1409 static HRESULT
1410 EnumMonikerImpl_CreateEnumMoniker(IMoniker** tabMoniker, ULONG tabSize,
1411                ULONG currentPos, BOOL leftToRigth, IEnumMoniker ** ppmk)
1412 {
1413     EnumMonikerImpl* newEnumMoniker;
1414     int i;
1415
1416     if (currentPos > tabSize)
1417         return E_INVALIDARG;
1418
1419     newEnumMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(EnumMonikerImpl));
1420
1421     if (newEnumMoniker == 0)
1422         return STG_E_INSUFFICIENTMEMORY;
1423
1424     /* Initialize the virtual function table. */
1425     newEnumMoniker->lpVtbl       = &VT_EnumMonikerImpl;
1426     newEnumMoniker->ref          = 0;
1427
1428     newEnumMoniker->tabSize=tabSize;
1429     newEnumMoniker->currentPos=currentPos;
1430
1431     newEnumMoniker->tabMoniker=HeapAlloc(GetProcessHeap(),0,tabSize*sizeof(IMoniker));
1432
1433     if (newEnumMoniker->tabMoniker==NULL) {
1434         HeapFree(GetProcessHeap(), 0, newEnumMoniker);
1435         return E_OUTOFMEMORY;
1436     }
1437
1438     if (leftToRigth)
1439         for (i=0;i<tabSize;i++){
1440
1441             newEnumMoniker->tabMoniker[i]=tabMoniker[i];
1442             IMoniker_AddRef(tabMoniker[i]);
1443         }
1444     else
1445         for (i=tabSize-1;i>=0;i--){
1446
1447             newEnumMoniker->tabMoniker[tabSize-i-1]=tabMoniker[i];
1448             IMoniker_AddRef(tabMoniker[i]);
1449         }
1450
1451     *ppmk=(IEnumMoniker*)newEnumMoniker;
1452
1453     return S_OK;
1454 }
1455
1456 /********************************************************************************/
1457 /* Virtual function table for the CompositeMonikerImpl class which includes     */
1458 /* IPersist, IPersistStream and IMoniker functions.                             */
1459
1460 static const IMonikerVtbl VT_CompositeMonikerImpl =
1461 {
1462     CompositeMonikerImpl_QueryInterface,
1463     CompositeMonikerImpl_AddRef,
1464     CompositeMonikerImpl_Release,
1465     CompositeMonikerImpl_GetClassID,
1466     CompositeMonikerImpl_IsDirty,
1467     CompositeMonikerImpl_Load,
1468     CompositeMonikerImpl_Save,
1469     CompositeMonikerImpl_GetSizeMax,
1470     CompositeMonikerImpl_BindToObject,
1471     CompositeMonikerImpl_BindToStorage,
1472     CompositeMonikerImpl_Reduce,
1473     CompositeMonikerImpl_ComposeWith,
1474     CompositeMonikerImpl_Enum,
1475     CompositeMonikerImpl_IsEqual,
1476     CompositeMonikerImpl_Hash,
1477     CompositeMonikerImpl_IsRunning,
1478     CompositeMonikerImpl_GetTimeOfLastChange,
1479     CompositeMonikerImpl_Inverse,
1480     CompositeMonikerImpl_CommonPrefixWith,
1481     CompositeMonikerImpl_RelativePathTo,
1482     CompositeMonikerImpl_GetDisplayName,
1483     CompositeMonikerImpl_ParseDisplayName,
1484     CompositeMonikerImpl_IsSystemMoniker
1485 };
1486
1487 /********************************************************************************/
1488 /* Virtual function table for the IROTData class.                               */
1489 static const IROTDataVtbl VT_ROTDataImpl =
1490 {
1491     CompositeMonikerROTDataImpl_QueryInterface,
1492     CompositeMonikerROTDataImpl_AddRef,
1493     CompositeMonikerROTDataImpl_Release,
1494     CompositeMonikerROTDataImpl_GetComparaisonData
1495 };
1496
1497 /******************************************************************************
1498  *         Composite-Moniker_Construct (local function)
1499  *******************************************************************************/
1500 static HRESULT
1501 CompositeMonikerImpl_Construct(CompositeMonikerImpl* This,
1502                LPMONIKER pmkFirst, LPMONIKER pmkRest)
1503 {
1504     DWORD mkSys;
1505     IEnumMoniker *enumMoniker;
1506     IMoniker *tempMk;
1507     HRESULT res;
1508
1509     TRACE("(%p,%p,%p)\n",This,pmkFirst,pmkRest);
1510
1511     /* Initialize the virtual function table. */
1512     This->lpvtbl1      = &VT_CompositeMonikerImpl;
1513     This->lpvtbl2      = &VT_ROTDataImpl;
1514     This->ref          = 0;
1515
1516     This->tabSize=BLOCK_TAB_SIZE;
1517     This->tabLastIndex=0;
1518
1519     This->tabMoniker=HeapAlloc(GetProcessHeap(),0,This->tabSize*sizeof(IMoniker));
1520     if (This->tabMoniker==NULL)
1521         return E_OUTOFMEMORY;
1522
1523     IMoniker_IsSystemMoniker(pmkFirst,&mkSys);
1524
1525     /* put the first moniker contents in the beginning of the table */
1526     if (mkSys!=MKSYS_GENERICCOMPOSITE){
1527
1528         This->tabMoniker[(This->tabLastIndex)++]=pmkFirst;
1529         IMoniker_AddRef(pmkFirst);
1530     }
1531     else{
1532
1533         IMoniker_Enum(pmkFirst,TRUE,&enumMoniker);
1534
1535         while(IEnumMoniker_Next(enumMoniker,1,&This->tabMoniker[This->tabLastIndex],NULL)==S_OK){
1536
1537
1538             if (++This->tabLastIndex==This->tabSize){
1539
1540                 This->tabSize+=BLOCK_TAB_SIZE;
1541                 This->tabMoniker=HeapReAlloc(GetProcessHeap(),0,This->tabMoniker,This->tabSize*sizeof(IMoniker));
1542
1543                 if (This->tabMoniker==NULL)
1544                     return E_OUTOFMEMORY;
1545             }
1546         }
1547
1548         IEnumMoniker_Release(enumMoniker);
1549     }
1550
1551     /* put the rest moniker contents after the first one and make simplification if needed */
1552
1553     IMoniker_IsSystemMoniker(pmkRest,&mkSys);
1554
1555     if (mkSys!=MKSYS_GENERICCOMPOSITE){
1556
1557         /* add a simple moniker to the moniker table */
1558
1559         res=IMoniker_ComposeWith(This->tabMoniker[This->tabLastIndex-1],pmkRest,TRUE,&tempMk);
1560
1561         if (res==MK_E_NEEDGENERIC){
1562
1563             /* there's no simplification in this case */
1564             This->tabMoniker[This->tabLastIndex]=pmkRest;
1565
1566             This->tabLastIndex++;
1567
1568             IMoniker_AddRef(pmkRest);
1569         }
1570         else if (tempMk==NULL){
1571
1572             /* we have an antimoniker after a simple moniker so we can make a simplification in this case */
1573             IMoniker_Release(This->tabMoniker[This->tabLastIndex-1]);
1574
1575             This->tabLastIndex--;
1576         }
1577         else if (SUCCEEDED(res)){
1578
1579             /* the non-generic composition was successful so we can make a simplification in this case */
1580             IMoniker_Release(This->tabMoniker[This->tabLastIndex-1]);
1581
1582             This->tabMoniker[This->tabLastIndex-1]=tempMk;
1583         } else
1584             return res;
1585
1586         /* resize tabMoniker if needed */
1587         if (This->tabLastIndex==This->tabSize){
1588
1589             This->tabSize+=BLOCK_TAB_SIZE;
1590
1591             This->tabMoniker=HeapReAlloc(GetProcessHeap(),0,This->tabMoniker,This->tabSize*sizeof(IMoniker));
1592
1593             if (This->tabMoniker==NULL)
1594             return E_OUTOFMEMORY;
1595         }
1596     }
1597     else{
1598
1599         /* add a composite moniker to the moniker table (do the same thing
1600          * for each moniker within the composite moniker as a simple moniker
1601          * (see above for how to add a simple moniker case) )
1602          */
1603         IMoniker_Enum(pmkRest,TRUE,&enumMoniker);
1604
1605         while(IEnumMoniker_Next(enumMoniker,1,&This->tabMoniker[This->tabLastIndex],NULL)==S_OK){
1606
1607             res=IMoniker_ComposeWith(This->tabMoniker[This->tabLastIndex-1],This->tabMoniker[This->tabLastIndex],TRUE,&tempMk);
1608
1609             if (res==MK_E_NEEDGENERIC){
1610
1611                 This->tabLastIndex++;
1612             }
1613             else if (tempMk==NULL){
1614
1615                 IMoniker_Release(This->tabMoniker[This->tabLastIndex-1]);
1616                 IMoniker_Release(This->tabMoniker[This->tabLastIndex]);
1617                 This->tabLastIndex--;
1618             }
1619             else{
1620
1621                 IMoniker_Release(This->tabMoniker[This->tabLastIndex-1]);
1622
1623                 This->tabMoniker[This->tabLastIndex-1]=tempMk;
1624             }
1625
1626             if (This->tabLastIndex==This->tabSize){
1627
1628                 This->tabSize+=BLOCK_TAB_SIZE;
1629
1630                 This->tabMoniker=HeapReAlloc(GetProcessHeap(),0,This->tabMoniker,This->tabSize*sizeof(IMoniker));
1631
1632                 if (This->tabMoniker==NULL)
1633                     return E_OUTOFMEMORY;
1634             }
1635         }
1636
1637         IEnumMoniker_Release(enumMoniker);
1638     }
1639
1640     return S_OK;
1641 }
1642
1643 /******************************************************************************
1644  *        CreateGenericComposite        [OLE32.@]
1645  ******************************************************************************/
1646 HRESULT WINAPI
1647 CreateGenericComposite(LPMONIKER pmkFirst, LPMONIKER pmkRest,
1648                LPMONIKER* ppmkComposite)
1649 {
1650     CompositeMonikerImpl* newCompositeMoniker = 0;
1651     HRESULT        hr = S_OK;
1652
1653     TRACE("(%p,%p,%p)\n",pmkFirst,pmkRest,ppmkComposite);
1654
1655     if (ppmkComposite==NULL)
1656         return E_POINTER;
1657
1658     *ppmkComposite=0;
1659
1660     if (pmkFirst==NULL && pmkRest!=NULL){
1661
1662         *ppmkComposite=pmkRest;
1663         return S_OK;
1664     }
1665     else if (pmkFirst!=NULL && pmkRest==NULL){
1666         *ppmkComposite=pmkFirst;
1667         return S_OK;
1668     }
1669     else  if (pmkFirst==NULL && pmkRest==NULL)
1670         return S_OK;
1671
1672     newCompositeMoniker = HeapAlloc(GetProcessHeap(), 0,sizeof(CompositeMonikerImpl));
1673
1674     if (newCompositeMoniker == 0)
1675         return STG_E_INSUFFICIENTMEMORY;
1676
1677     hr = CompositeMonikerImpl_Construct(newCompositeMoniker,pmkFirst,pmkRest);
1678
1679     if (FAILED(hr)){
1680
1681         HeapFree(GetProcessHeap(),0,newCompositeMoniker);
1682         return hr;
1683     }
1684     if (newCompositeMoniker->tabLastIndex==1)
1685
1686         hr = IMoniker_QueryInterface(newCompositeMoniker->tabMoniker[0],&IID_IMoniker,(void**)ppmkComposite);
1687     else
1688
1689         hr = IMoniker_QueryInterface((IMoniker*)newCompositeMoniker,&IID_IMoniker,(void**)ppmkComposite);
1690
1691     return hr;
1692 }
1693
1694 /******************************************************************************
1695  *        MonikerCommonPrefixWith       [OLE32.@]
1696  ******************************************************************************/
1697 HRESULT WINAPI
1698 MonikerCommonPrefixWith(IMoniker* pmkThis,IMoniker* pmkOther,IMoniker** ppmkCommon)
1699 {
1700     FIXME("(),stub!\n");
1701     return E_NOTIMPL;
1702 }