dlls/ole32/classmoniker.c

   1 /*
   2  *                            Class Monikers
   3  *
   4  *           Copyright 1999  Noomen Hamza
   5  *           Copyright 2005-2007  Robert Shearman
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <assert.h>
  23 #include <stdarg.h>
  24 #include <string.h>
  25
  26 #define COBJMACROS
  27
  28 #include "winerror.h"
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winuser.h"
  32 #include "wine/debug.h"
  33 #include "ole2.h"
  34 #include "wine/unicode.h"
  35 #include "moniker.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  38
  39 #define CHARS_IN_GUID 39
  40
  41 /* ClassMoniker data structure */
  42 typedef struct ClassMoniker
  43 {
  44     IMoniker IMoniker_iface;
  45     IROTData IROTData_iface;
  46     LONG ref;
  47     CLSID clsid; /* clsid identified by this moniker */
  48     IUnknown *pMarshal; /* custom marshaler */
  49 } ClassMoniker;
  50
  51 static inline ClassMoniker *impl_from_IMoniker(IMoniker *iface)
  52 {
  53     return CONTAINING_RECORD(iface, ClassMoniker, IMoniker_iface);
  54 }
  55
  56 static inline ClassMoniker *impl_from_IROTData(IROTData *iface)
  57 {
  58     return CONTAINING_RECORD(iface, ClassMoniker, IROTData_iface);
  59 }
  60
  61 /*******************************************************************************
  62  *        ClassMoniker_QueryInterface
  63  *******************************************************************************/
  64 static HRESULT WINAPI ClassMoniker_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
  65 {
  66     ClassMoniker *This = impl_from_IMoniker(iface);
  67
  68     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppvObject);
  69
  70     /* Perform a sanity check on the parameters.*/
  71     if (!ppvObject)
  72         return E_POINTER;
  73
  74     /* Initialize the return parameter */
  75     *ppvObject = 0;
  76
  77     /* Compare the riid with the interface IDs implemented by this object.*/
  78     if (IsEqualIID(&IID_IUnknown, riid) ||
  79         IsEqualIID(&IID_IPersist, riid) ||
  80         IsEqualIID(&IID_IPersistStream, riid) ||
  81         IsEqualIID(&IID_IMoniker, riid))
  82     {
  83         *ppvObject = iface;
  84     }
  85     else if (IsEqualIID(&IID_IROTData, riid))
  86         *ppvObject = &This->IROTData_iface;
  87     else if (IsEqualIID(&IID_IMarshal, riid))
  88     {
  89         HRESULT hr = S_OK;
  90         if (!This->pMarshal)
  91             hr = MonikerMarshal_Create(iface, &This->pMarshal);
  92         if (hr != S_OK)
  93             return hr;
  94         return IUnknown_QueryInterface(This->pMarshal, riid, ppvObject);
  95     }
  96
  97     /* Check that we obtained an interface.*/
  98     if (!*ppvObject)
  99         return E_NOINTERFACE;
 100
 101     /* Query Interface always increases the reference count by one when it is successful */
 102     IMoniker_AddRef(iface);
 103
 104     return S_OK;
 105 }
 106
 107 /******************************************************************************
 108  *        ClassMoniker_AddRef
 109  ******************************************************************************/
 110 static ULONG WINAPI ClassMoniker_AddRef(IMoniker* iface)
 111 {
 112     ClassMoniker *This = impl_from_IMoniker(iface);
 113
 114     TRACE("(%p)\n",This);
 115
 116     return InterlockedIncrement(&This->ref);
 117 }
 118
 119 /******************************************************************************
 120  *        ClassMoniker_Release
 121  ******************************************************************************/
 122 static ULONG WINAPI ClassMoniker_Release(IMoniker* iface)
 123 {
 124     ClassMoniker *This = impl_from_IMoniker(iface);
 125     ULONG ref;
 126
 127     TRACE("(%p)\n",This);
 128
 129     ref = InterlockedDecrement(&This->ref);
 130
 131     /* destroy the object if there are no more references to it */
 132     if (ref == 0)
 133     {
 134         if (This->pMarshal) IUnknown_Release(This->pMarshal);
 135         HeapFree(GetProcessHeap(),0,This);
 136     }
 137
 138     return ref;
 139 }
 140
 141 /******************************************************************************
 142  *        ClassMoniker_GetClassID
 143  ******************************************************************************/
 144 static HRESULT WINAPI ClassMoniker_GetClassID(IMoniker* iface,CLSID *pClassID)
 145 {
 146     TRACE("(%p,%p),stub!\n",iface,pClassID);
 147
 148     if (pClassID==NULL)
 149         return E_POINTER;
 150
 151     *pClassID = CLSID_ClassMoniker;
 152
 153     return S_OK;
 154 }
 155
 156 /******************************************************************************
 157  *        ClassMoniker_IsDirty
 158  ******************************************************************************/
 159 static HRESULT WINAPI ClassMoniker_IsDirty(IMoniker* iface)
 160 {
 161     /* Note that the OLE-provided implementations of the IPersistStream::IsDirty
 162        method in the OLE-provided moniker interfaces always return S_FALSE because
 163        their internal state never changes. */
 164
 165     TRACE("(%p)\n",iface);
 166
 167     return S_FALSE;
 168 }
 169
 170 /******************************************************************************
 171  *        ClassMoniker_Load
 172  ******************************************************************************/
 173 static HRESULT WINAPI ClassMoniker_Load(IMoniker* iface,IStream* pStm)
 174 {
 175     ClassMoniker *This = impl_from_IMoniker(iface);
 176     HRESULT hr;
 177     DWORD zero;
 178
 179     TRACE("(%p)\n", pStm);
 180
 181     hr = IStream_Read(pStm, &This->clsid, sizeof(This->clsid), NULL);
 182     if (hr != S_OK) return STG_E_READFAULT;
 183
 184     hr = IStream_Read(pStm, &zero, sizeof(zero), NULL);
 185     if ((hr != S_OK) || (zero != 0)) return STG_E_READFAULT;
 186
 187     return S_OK;
 188 }
 189
 190 /******************************************************************************
 191  *        ClassMoniker_Save
 192  ******************************************************************************/
 193 static HRESULT WINAPI ClassMoniker_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty)
 194 {
 195     ClassMoniker *This = impl_from_IMoniker(iface);
 196     HRESULT hr;
 197     DWORD zero = 0;
 198
 199     TRACE("(%p, %s)\n", pStm, fClearDirty ? "TRUE" : "FALSE");
 200
 201     hr = IStream_Write(pStm, &This->clsid, sizeof(This->clsid), NULL);
 202     if (FAILED(hr)) return hr;
 203
 204     return IStream_Write(pStm, &zero, sizeof(zero), NULL);
 205 }
 206
 207 /******************************************************************************
 208  *        ClassMoniker_GetSizeMax
 209  ******************************************************************************/
 210 static HRESULT WINAPI ClassMoniker_GetSizeMax(IMoniker* iface,
 211                                           ULARGE_INTEGER* pcbSize)/* Pointer to size of stream needed to save object */
 212 {
 213     TRACE("(%p)\n", pcbSize);
 214
 215     pcbSize->QuadPart = sizeof(CLSID) + sizeof(DWORD);
 216
 217     return S_OK;
 218 }
 219
 220 /******************************************************************************
 221  *                  ClassMoniker_BindToObject
 222  ******************************************************************************/
 223 static HRESULT WINAPI ClassMoniker_BindToObject(IMoniker* iface,
 224                                             IBindCtx* pbc,
 225                                             IMoniker* pmkToLeft,
 226                                             REFIID riid,
 227                                             VOID** ppvResult)
 228 {
 229     ClassMoniker *This = impl_from_IMoniker(iface);
 230     BIND_OPTS2 bindopts;
 231     IClassActivator *pActivator;
 232     HRESULT hr;
 233
 234     TRACE("(%p, %p, %s, %p)\n", pbc, pmkToLeft, debugstr_guid(riid), ppvResult);
 235
 236     bindopts.cbStruct = sizeof(bindopts);
 237     IBindCtx_GetBindOptions(pbc, (BIND_OPTS *)&bindopts);
 238
 239     if (!pmkToLeft)
 240         return CoGetClassObject(&This->clsid, bindopts.dwClassContext, NULL,
 241                                 riid, ppvResult);
 242     else
 243     {
 244         hr = IMoniker_BindToObject(pmkToLeft, pbc, NULL, &IID_IClassActivator,
 245                                    (void **)&pActivator);
 246         if (FAILED(hr)) return hr;
 247
 248         hr = IClassActivator_GetClassObject(pActivator, &This->clsid,
 249                                             bindopts.dwClassContext,
 250                                             bindopts.locale, riid, ppvResult);
 251
 252         IClassActivator_Release(pActivator);
 253
 254         return hr;
 255     }
 256 }
 257
 258 /******************************************************************************
 259  *        ClassMoniker_BindToStorage
 260  ******************************************************************************/
 261 static HRESULT WINAPI ClassMoniker_BindToStorage(IMoniker* iface,
 262                                              IBindCtx* pbc,
 263                                              IMoniker* pmkToLeft,
 264                                              REFIID riid,
 265                                              VOID** ppvResult)
 266 {
 267     TRACE("(%p, %p, %s, %p)\n", pbc, pmkToLeft, debugstr_guid(riid), ppvResult);
 268     return IMoniker_BindToObject(iface, pbc, pmkToLeft, riid, ppvResult);
 269 }
 270
 271 /******************************************************************************
 272  *        ClassMoniker_Reduce
 273  ******************************************************************************/
 274 static HRESULT WINAPI ClassMoniker_Reduce(IMoniker* iface,
 275                                       IBindCtx* pbc,
 276                                       DWORD dwReduceHowFar,
 277                                       IMoniker** ppmkToLeft,
 278                                       IMoniker** ppmkReduced)
 279 {
 280     TRACE("(%p,%p,%d,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
 281
 282     if (!ppmkReduced)
 283         return E_POINTER;
 284
 285     IMoniker_AddRef(iface);
 286
 287     *ppmkReduced = iface;
 288
 289     return MK_S_REDUCED_TO_SELF;
 290 }
 291 /******************************************************************************
 292  *        ClassMoniker_ComposeWith
 293  ******************************************************************************/
 294 static HRESULT WINAPI ClassMoniker_ComposeWith(IMoniker* iface,
 295                                            IMoniker* pmkRight,
 296                                            BOOL fOnlyIfNotGeneric,
 297                                            IMoniker** ppmkComposite)
 298 {
 299     HRESULT res=S_OK;
 300     DWORD mkSys,mkSys2;
 301     IEnumMoniker* penumMk=0;
 302     IMoniker *pmostLeftMk=0;
 303     IMoniker* tempMkComposite=0;
 304
 305     TRACE("(%p,%d,%p)\n", pmkRight, fOnlyIfNotGeneric, ppmkComposite);
 306
 307     if ((ppmkComposite==NULL)||(pmkRight==NULL))
 308         return E_POINTER;
 309
 310     *ppmkComposite=0;
 311
 312     IMoniker_IsSystemMoniker(pmkRight,&mkSys);
 313
 314     /* If pmkRight is an anti-moniker, the returned moniker is NULL */
 315     if(mkSys==MKSYS_ANTIMONIKER)
 316         return res;
 317
 318     else
 319         /* if pmkRight is a composite whose leftmost component is an anti-moniker,           */
 320         /* the returned moniker is the composite after the leftmost anti-moniker is removed. */
 321
 322          if(mkSys==MKSYS_GENERICCOMPOSITE){
 323
 324             res=IMoniker_Enum(pmkRight,TRUE,&penumMk);
 325
 326             if (FAILED(res))
 327                 return res;
 328
 329             res=IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL);
 330
 331             IMoniker_IsSystemMoniker(pmostLeftMk,&mkSys2);
 332
 333             if(mkSys2==MKSYS_ANTIMONIKER){
 334
 335                 IMoniker_Release(pmostLeftMk);
 336
 337                 tempMkComposite=iface;
 338                 IMoniker_AddRef(iface);
 339
 340                 while(IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL)==S_OK){
 341
 342                     res=CreateGenericComposite(tempMkComposite,pmostLeftMk,ppmkComposite);
 343
 344                     IMoniker_Release(tempMkComposite);
 345                     IMoniker_Release(pmostLeftMk);
 346
 347                     tempMkComposite=*ppmkComposite;
 348                     IMoniker_AddRef(tempMkComposite);
 349                 }
 350                 return res;
 351             }
 352             else
 353                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 354          }
 355          /* If pmkRight is not an anti-moniker, the method combines the two monikers into a generic
 356           composite if fOnlyIfNotGeneric is FALSE; if fOnlyIfNotGeneric is TRUE, the method returns
 357           a NULL moniker and a return value of MK_E_NEEDGENERIC */
 358           else
 359             if (!fOnlyIfNotGeneric)
 360                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
 361
 362             else
 363                 return MK_E_NEEDGENERIC;
 364 }
 365
 366 /******************************************************************************
 367  *        ClassMoniker_Enum
 368  ******************************************************************************/
 369 static HRESULT WINAPI ClassMoniker_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
 370 {
 371     TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
 372
 373     if (ppenumMoniker == NULL)
 374         return E_POINTER;
 375
 376     *ppenumMoniker = NULL;
 377
 378     return S_OK;
 379 }
 380
 381 /******************************************************************************
 382  *        ClassMoniker_IsEqual
 383  ******************************************************************************/
 384 static HRESULT WINAPI ClassMoniker_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
 385 {
 386
 387     CLSID clsid;
 388     LPOLESTR dispName1,dispName2;
 389     IBindCtx* bind;
 390     HRESULT res = S_FALSE;
 391
 392     TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
 393
 394     if (!pmkOtherMoniker) return S_FALSE;
 395
 396
 397     /* check if both are ClassMoniker */
 398     if(FAILED (IMoniker_GetClassID(pmkOtherMoniker,&clsid))) return S_FALSE;
 399     if(!IsEqualCLSID(&clsid,&CLSID_ClassMoniker)) return S_FALSE;
 400
 401     /* check if both displaynames are the same */
 402     if(SUCCEEDED ((res = CreateBindCtx(0,&bind)))) {
 403         if(SUCCEEDED (IMoniker_GetDisplayName(iface,bind,NULL,&dispName1))) {
 404             if(SUCCEEDED (IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&dispName2))) {
 405                 if(lstrcmpW(dispName1,dispName2)==0) res = S_OK;
 406                 CoTaskMemFree(dispName2);
 407             }
 408             CoTaskMemFree(dispName1);
 409         }
 410     }
 411     return res;
 412 }
 413
 414 /******************************************************************************
 415  *        ClassMoniker_Hash
 416  ******************************************************************************/
 417 static HRESULT WINAPI ClassMoniker_Hash(IMoniker* iface,DWORD* pdwHash)
 418 {
 419     ClassMoniker *This = impl_from_IMoniker(iface);
 420
 421     TRACE("(%p)\n", pdwHash);
 422
 423     *pdwHash = This->clsid.Data1;
 424
 425     return S_OK;
 426 }
 427
 428 /******************************************************************************
 429  *        ClassMoniker_IsRunning
 430  ******************************************************************************/
 431 static HRESULT WINAPI ClassMoniker_IsRunning(IMoniker* iface,
 432                                          IBindCtx* pbc,
 433                                          IMoniker* pmkToLeft,
 434                                          IMoniker* pmkNewlyRunning)
 435 {
 436     TRACE("(%p, %p, %p)\n", pbc, pmkToLeft, pmkNewlyRunning);
 437
 438     /* as in native */
 439     return E_NOTIMPL;
 440 }
 441
 442 /******************************************************************************
 443  *        ClassMoniker_GetTimeOfLastChange
 444  ******************************************************************************/
 445 static HRESULT WINAPI ClassMoniker_GetTimeOfLastChange(IMoniker* iface,
 446                                                    IBindCtx* pbc,
 447                                                    IMoniker* pmkToLeft,
 448                                                    FILETIME* pItemTime)
 449 {
 450     TRACE("(%p, %p, %p)\n", pbc, pmkToLeft, pItemTime);
 451
 452     return MK_E_UNAVAILABLE;
 453 }
 454
 455 /******************************************************************************
 456  *        ClassMoniker_Inverse
 457  ******************************************************************************/
 458 static HRESULT WINAPI ClassMoniker_Inverse(IMoniker* iface,IMoniker** ppmk)
 459 {
 460     TRACE("(%p)\n",ppmk);
 461
 462     if (!ppmk)
 463         return E_POINTER;
 464
 465     return CreateAntiMoniker(ppmk);
 466 }
 467
 468 /******************************************************************************
 469  *        ClassMoniker_CommonPrefixWith
 470  ******************************************************************************/
 471 static HRESULT WINAPI ClassMoniker_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
 472 {
 473     DWORD mkSys;
 474
 475     TRACE("(%p, %p)\n", pmkOther, ppmkPrefix);
 476
 477     *ppmkPrefix = NULL;
 478
 479     IMoniker_IsSystemMoniker(pmkOther, &mkSys);
 480
 481     /* If the other moniker is an class moniker that is equal to this moniker, this method sets *ppmkPrefix */
 482     /* to this moniker and returns MK_S_US */
 483
 484     if (mkSys == MKSYS_CLASSMONIKER)
 485     {
 486         if (IMoniker_IsEqual(iface, pmkOther) == S_OK)
 487         {
 488             *ppmkPrefix = iface;
 489
 490             IMoniker_AddRef(iface);
 491
 492             return MK_S_US;
 493         }
 494         else
 495             return MK_E_NOPREFIX;
 496     }
 497     else
 498         /* otherwise, the method calls the MonikerCommonPrefixWith function. This function correctly handles */
 499         /* the case where the other moniker is a generic composite. */
 500         return MonikerCommonPrefixWith(iface, pmkOther, ppmkPrefix);
 501 }
 502
 503 /******************************************************************************
 504  *        ClassMoniker_RelativePathTo
 505  ******************************************************************************/
 506 static HRESULT WINAPI ClassMoniker_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
 507 {
 508     TRACE("(%p, %p)\n",pmOther,ppmkRelPath);
 509
 510     if (!ppmkRelPath)
 511         return E_POINTER;
 512
 513     *ppmkRelPath = NULL;
 514
 515     return MK_E_NOTBINDABLE;
 516 }
 517
 518 /******************************************************************************
 519  *        ClassMoniker_GetDisplayName
 520  ******************************************************************************/
 521 static HRESULT WINAPI ClassMoniker_GetDisplayName(IMoniker* iface,
 522                                               IBindCtx* pbc,
 523                                               IMoniker* pmkToLeft,
 524                                               LPOLESTR *ppszDisplayName)
 525 {
 526     ClassMoniker *This = impl_from_IMoniker(iface);
 527     static const WCHAR wszClsidPrefix[] = {'c','l','s','i','d',':',0};
 528
 529     TRACE("(%p, %p, %p)\n", pbc, pmkToLeft, ppszDisplayName);
 530
 531     if (!ppszDisplayName)
 532         return E_POINTER;
 533
 534     if (pmkToLeft)
 535         return E_INVALIDARG;
 536
 537     *ppszDisplayName = CoTaskMemAlloc(sizeof(wszClsidPrefix) + (CHARS_IN_GUID-2) * sizeof(WCHAR));
 538
 539     StringFromGUID2(&This->clsid, *ppszDisplayName+ARRAY_SIZE(wszClsidPrefix)-2, CHARS_IN_GUID);
 540
 541     /* note: this overwrites the opening curly bracket of the CLSID string generated above */
 542     memcpy(*ppszDisplayName, wszClsidPrefix, sizeof(wszClsidPrefix)-sizeof(WCHAR));
 543
 544     /* note: this overwrites the closing curly bracket of the CLSID string generated above */
 545     (*ppszDisplayName)[ARRAY_SIZE(wszClsidPrefix)-2+CHARS_IN_GUID-2] = ':';
 546     (*ppszDisplayName)[ARRAY_SIZE(wszClsidPrefix)-2+CHARS_IN_GUID-1] = '\0';
 547
 548     TRACE("string is %s\n", debugstr_w(*ppszDisplayName));
 549     return S_OK;
 550 }
 551
 552 /******************************************************************************
 553  *        ClassMoniker_ParseDisplayName
 554  ******************************************************************************/
 555 static HRESULT WINAPI ClassMoniker_ParseDisplayName(IMoniker* iface,
 556                                                 IBindCtx* pbc,
 557                                                 IMoniker* pmkToLeft,
 558                                                 LPOLESTR pszDisplayName,
 559                                                 ULONG* pchEaten,
 560                                                 IMoniker** ppmkOut)
 561 {
 562     FIXME("(%p, %p, %s, %p, %p)\n", pbc, pmkToLeft, debugstr_w(pszDisplayName), pchEaten, ppmkOut);
 563     return E_NOTIMPL;
 564 }
 565
 566 /******************************************************************************
 567  *        ClassMoniker_IsSystemMoniker
 568  ******************************************************************************/
 569 static HRESULT WINAPI ClassMoniker_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
 570 {
 571     TRACE("(%p,%p)\n",iface,pwdMksys);
 572
 573     if (!pwdMksys)
 574         return E_POINTER;
 575
 576     *pwdMksys = MKSYS_CLASSMONIKER;
 577
 578     return S_OK;
 579 }
 580
 581 /*******************************************************************************
 582  *        ClassMonikerIROTData_QueryInterface
 583  *******************************************************************************/
 584 static HRESULT WINAPI ClassMonikerROTData_QueryInterface(IROTData *iface,REFIID riid,VOID** ppvObject)
 585 {
 586
 587     ClassMoniker *This = impl_from_IROTData(iface);
 588
 589     TRACE("(%p, %s, %p)\n", iface, debugstr_guid(riid), ppvObject);
 590
 591     return IMoniker_QueryInterface(&This->IMoniker_iface, riid, ppvObject);
 592 }
 593
 594 /***********************************************************************
 595  *        ClassMonikerIROTData_AddRef
 596  */
 597 static ULONG WINAPI ClassMonikerROTData_AddRef(IROTData *iface)
 598 {
 599     ClassMoniker *This = impl_from_IROTData(iface);
 600
 601     TRACE("(%p)\n",iface);
 602
 603     return IMoniker_AddRef(&This->IMoniker_iface);
 604 }
 605
 606 /***********************************************************************
 607  *        ClassMonikerIROTData_Release
 608  */
 609 static ULONG WINAPI ClassMonikerROTData_Release(IROTData* iface)
 610 {
 611     ClassMoniker *This = impl_from_IROTData(iface);
 612
 613     TRACE("(%p)\n",iface);
 614
 615     return IMoniker_Release(&This->IMoniker_iface);
 616 }
 617
 618 /******************************************************************************
 619  *        ClassMonikerIROTData_GetComparisonData
 620  ******************************************************************************/
 621 static HRESULT WINAPI ClassMonikerROTData_GetComparisonData(IROTData* iface,
 622                                                          BYTE* pbData,
 623                                                          ULONG cbMax,
 624                                                          ULONG* pcbData)
 625 {
 626     ClassMoniker *This = impl_from_IROTData(iface);
 627
 628     TRACE("(%p, %u, %p)\n", pbData, cbMax, pcbData);
 629
 630     *pcbData = 2*sizeof(CLSID);
 631     if (cbMax < *pcbData)
 632         return E_OUTOFMEMORY;
 633
 634     /* write CLSID of the moniker */
 635     memcpy(pbData, &CLSID_ClassMoniker, sizeof(CLSID));
 636     /* write CLSID the moniker represents */
 637     memcpy(pbData+sizeof(CLSID), &This->clsid, sizeof(CLSID));
 638
 639     return S_OK;
 640 }
 641
 642 /********************************************************************************/
 643 /* Virtual function table for the ClassMoniker class which  include IPersist,*/
 644 /* IPersistStream and IMoniker functions.                                       */
 645 static const IMonikerVtbl ClassMonikerVtbl =
 646 {
 647     ClassMoniker_QueryInterface,
 648     ClassMoniker_AddRef,
 649     ClassMoniker_Release,
 650     ClassMoniker_GetClassID,
 651     ClassMoniker_IsDirty,
 652     ClassMoniker_Load,
 653     ClassMoniker_Save,
 654     ClassMoniker_GetSizeMax,
 655     ClassMoniker_BindToObject,
 656     ClassMoniker_BindToStorage,
 657     ClassMoniker_Reduce,
 658     ClassMoniker_ComposeWith,
 659     ClassMoniker_Enum,
 660     ClassMoniker_IsEqual,
 661     ClassMoniker_Hash,
 662     ClassMoniker_IsRunning,
 663     ClassMoniker_GetTimeOfLastChange,
 664     ClassMoniker_Inverse,
 665     ClassMoniker_CommonPrefixWith,
 666     ClassMoniker_RelativePathTo,
 667     ClassMoniker_GetDisplayName,
 668     ClassMoniker_ParseDisplayName,
 669     ClassMoniker_IsSystemMoniker
 670 };
 671
 672 /********************************************************************************/
 673 /* Virtual function table for the IROTData class.                               */
 674 static const IROTDataVtbl ROTDataVtbl =
 675 {
 676     ClassMonikerROTData_QueryInterface,
 677     ClassMonikerROTData_AddRef,
 678     ClassMonikerROTData_Release,
 679     ClassMonikerROTData_GetComparisonData
 680 };
 681
 682 /******************************************************************************
 683  *         ClassMoniker_Construct (local function)
 684  *******************************************************************************/
 685 static HRESULT ClassMoniker_Construct(ClassMoniker* This, REFCLSID rclsid)
 686 {
 687     TRACE("(%p,%s)\n",This,debugstr_guid(rclsid));
 688
 689     /* Initialize the virtual function table. */
 690     This->IMoniker_iface.lpVtbl = &ClassMonikerVtbl;
 691     This->IROTData_iface.lpVtbl = &ROTDataVtbl;
 692     This->ref           = 0;
 693     This->clsid         = *rclsid;
 694     This->pMarshal      = NULL;
 695
 696     return S_OK;
 697 }
 698
 699 /******************************************************************************
 700  *        CreateClassMoniker    [OLE32.@]
 701  ******************************************************************************/
 702 HRESULT WINAPI CreateClassMoniker(REFCLSID rclsid, IMoniker **ppmk)
 703 {
 704     ClassMoniker* newClassMoniker;
 705     HRESULT       hr;
 706
 707     TRACE("(%s,%p)\n", debugstr_guid(rclsid), ppmk);
 708
 709     newClassMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(ClassMoniker));
 710
 711     if (!newClassMoniker)
 712         return STG_E_INSUFFICIENTMEMORY;
 713
 714     hr = ClassMoniker_Construct(newClassMoniker, rclsid);
 715
 716     if (FAILED(hr))
 717     {
 718         HeapFree(GetProcessHeap(), 0, newClassMoniker);
 719         return hr;
 720     }
 721
 722     return ClassMoniker_QueryInterface(&newClassMoniker->IMoniker_iface, &IID_IMoniker,
 723                                        (void**)ppmk);
 724 }
 725
 726 HRESULT ClassMoniker_CreateFromDisplayName(LPBC pbc, LPCOLESTR szDisplayName, LPDWORD pchEaten,
 727                                            IMoniker **ppmk)
 728 {
 729     HRESULT hr;
 730     LPCWSTR s = strchrW(szDisplayName, ':');
 731     LPCWSTR end;
 732     CLSID clsid;
 733     BYTE table[256];
 734     int i;
 735
 736     if (!s)
 737         return MK_E_SYNTAX;
 738
 739     s++;
 740
 741     for (end = s; *end && (*end != ':'); end++)
 742         ;
 743
 744     TRACE("parsing %s\n", debugstr_wn(s, end - s));
 745
 746     /* validate the CLSID string */
 747     if (s[0] == '{')
 748     {
 749         if ((end - s != 38) || (s[37] != '}'))
 750             return MK_E_SYNTAX;
 751         s++;
 752     }
 753     else
 754     {
 755         if (end - s != 36)
 756             return MK_E_SYNTAX;
 757     }
 758
 759     for (i=0; i<36; i++)
 760     {
 761         if ((i == 8)||(i == 13)||(i == 18)||(i == 23))
 762         {
 763             if (s[i] != '-')
 764                 return MK_E_SYNTAX;
 765             continue;
 766         }
 767         if (!(((s[i] >= '0') && (s[i] <= '9'))  ||
 768               ((s[i] >= 'a') && (s[i] <= 'f'))  ||
 769               ((s[i] >= 'A') && (s[i] <= 'F'))))
 770             return MK_E_SYNTAX;
 771     }
 772
 773     /* quick lookup table */
 774     memset(table, 0, 256);
 775
 776     for (i = 0; i < 10; i++)
 777         table['0' + i] = i;
 778     for (i = 0; i < 6; i++)
 779     {
 780         table['A' + i] = i+10;
 781         table['a' + i] = i+10;
 782     }
 783
 784     /* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
 785
 786     clsid.Data1 = (table[s[0]] << 28 | table[s[1]] << 24 | table[s[2]] << 20 | table[s[3]] << 16 |
 787                    table[s[4]] << 12 | table[s[5]] << 8  | table[s[6]] << 4  | table[s[7]]);
 788     clsid.Data2 = table[s[9]] << 12  | table[s[10]] << 8 | table[s[11]] << 4 | table[s[12]];
 789     clsid.Data3 = table[s[14]] << 12 | table[s[15]] << 8 | table[s[16]] << 4 | table[s[17]];
 790
 791     /* these are just sequential bytes */
 792     clsid.Data4[0] = table[s[19]] << 4 | table[s[20]];
 793     clsid.Data4[1] = table[s[21]] << 4 | table[s[22]];
 794     clsid.Data4[2] = table[s[24]] << 4 | table[s[25]];
 795     clsid.Data4[3] = table[s[26]] << 4 | table[s[27]];
 796     clsid.Data4[4] = table[s[28]] << 4 | table[s[29]];
 797     clsid.Data4[5] = table[s[30]] << 4 | table[s[31]];
 798     clsid.Data4[6] = table[s[32]] << 4 | table[s[33]];
 799     clsid.Data4[7] = table[s[34]] << 4 | table[s[35]];
 800
 801     hr = CreateClassMoniker(&clsid, ppmk);
 802     if (SUCCEEDED(hr))
 803         *pchEaten = (*end == ':' ? end + 1 : end) - szDisplayName;
 804     return hr;
 805 }
 806
 807 HRESULT WINAPI ClassMoniker_CreateInstance(IClassFactory *iface,
 808     IUnknown *pUnk, REFIID riid, void **ppv)
 809 {
 810     HRESULT hr;
 811     IMoniker *pmk;
 812
 813     TRACE("(%p, %s, %p)\n", pUnk, debugstr_guid(riid), ppv);
 814
 815     *ppv = NULL;
 816
 817     if (pUnk)
 818         return CLASS_E_NOAGGREGATION;
 819
 820     hr = CreateClassMoniker(&CLSID_NULL, &pmk);
 821     if (FAILED(hr)) return hr;
 822
 823     hr = IMoniker_QueryInterface(pmk, riid, ppv);
 824     IMoniker_Release(pmk);
 825
 826     return hr;
 827 }