Implement a class factory for the Global Interface Table.
[wine] / dlls / ole32 / itemmoniker.c
1 /***************************************************************************************
2  *                            ItemMonikers implementation
3  *
4  *           Copyright 1999  Noomen Hamza
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  ***************************************************************************************/
20
21 #include <assert.h>
22 #include <string.h>
23
24 #define NONAMELESSUNION
25 #define NONAMELESSSTRUCT
26 #include "winerror.h"
27 #include "winbase.h"
28 #include "winnls.h"
29 #include "wine/debug.h"
30 #include "ole2.h"
31 #include "wine/unicode.h"
32 #include "moniker.h"
33
34 WINE_DEFAULT_DEBUG_CHANNEL(ole);
35
36 const CLSID CLSID_ItemMoniker = {
37   0x304, 0, 0, {0xC0, 0, 0, 0, 0, 0, 0, 0x46}
38 };
39
40 /* ItemMoniker data structure */
41 typedef struct ItemMonikerImpl{
42
43     ICOM_VTABLE(IMoniker)*  lpvtbl1;  /* VTable relative to the IMoniker interface.*/
44
45     /* The ROT (RunningObjectTable implementation) uses the IROTData interface to test whether
46      * two monikers are equal. That's whay IROTData interface is implemented by monikers.
47      */
48     ICOM_VTABLE(IROTData)*  lpvtbl2;  /* VTable relative to the IROTData interface.*/
49
50     ULONG ref; /* reference counter for this object */
51
52     LPOLESTR itemName; /* item name identified by this ItemMoniker */
53
54     LPOLESTR itemDelimiter; /* Delimiter string */
55
56 } ItemMonikerImpl;
57
58 /********************************************************************************/
59 /* ItemMoniker prototype functions :                                            */
60
61 /* IUnknown prototype functions */
62 static HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject);
63 static ULONG   WINAPI ItemMonikerImpl_AddRef(IMoniker* iface);
64 static ULONG   WINAPI ItemMonikerImpl_Release(IMoniker* iface);
65
66 /* IPersist prototype functions */
67 static HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface, CLSID *pClassID);
68
69 /* IPersistStream prototype functions */
70 static HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface);
71 static HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface, IStream* pStm);
72 static HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface, IStream* pStm, BOOL fClearDirty);
73 static HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface, ULARGE_INTEGER* pcbSize);
74
75 /* IMoniker prototype functions */
76 static HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
77 static HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, REFIID riid, VOID** ppvResult);
78 static HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,IBindCtx* pbc, DWORD dwReduceHowFar,IMoniker** ppmkToLeft, IMoniker** ppmkReduced);
79 static HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,IMoniker* pmkRight,BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite);
80 static HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker);
81 static HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker);
82 static HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash);
83 static HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, IMoniker* pmkNewlyRunning);
84 static HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface, IBindCtx* pbc, IMoniker* pmkToLeft, FILETIME* pItemTime);
85 static HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk);
86 static HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther, IMoniker** ppmkPrefix);
87 static HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath);
88 static HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR *ppszDisplayName);
89 static HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,IBindCtx* pbc, IMoniker* pmkToLeft, LPOLESTR pszDisplayName, ULONG* pchEaten, IMoniker** ppmkOut);
90 static HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys);
91
92 /* Local function used by ItemMoniker implementation */
93 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* iface, LPCOLESTR lpszDelim,LPCOLESTR lpszPathName);
94 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* iface);
95
96 /********************************************************************************/
97 /* IROTData prototype functions                                                 */
98
99 /* IUnknown prototype functions */
100 static HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData* iface,REFIID riid,VOID** ppvObject);
101 static ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData* iface);
102 static ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface);
103
104 /* IROTData prototype function */
105 static HRESULT WINAPI ItemMonikerROTDataImpl_GetComparaisonData(IROTData* iface,BYTE* pbData,ULONG cbMax,ULONG* pcbData);
106
107 /********************************************************************************/
108 /* Virtual function table for the ItemMonikerImpl class which  include IPersist,*/
109 /* IPersistStream and IMoniker functions.                                       */
110 static ICOM_VTABLE(IMoniker) VT_ItemMonikerImpl =
111     {
112     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
113     ItemMonikerImpl_QueryInterface,
114     ItemMonikerImpl_AddRef,
115     ItemMonikerImpl_Release,
116     ItemMonikerImpl_GetClassID,
117     ItemMonikerImpl_IsDirty,
118     ItemMonikerImpl_Load,
119     ItemMonikerImpl_Save,
120     ItemMonikerImpl_GetSizeMax,
121     ItemMonikerImpl_BindToObject,
122     ItemMonikerImpl_BindToStorage,
123     ItemMonikerImpl_Reduce,
124     ItemMonikerImpl_ComposeWith,
125     ItemMonikerImpl_Enum,
126     ItemMonikerImpl_IsEqual,
127     ItemMonikerImpl_Hash,
128     ItemMonikerImpl_IsRunning,
129     ItemMonikerImpl_GetTimeOfLastChange,
130     ItemMonikerImpl_Inverse,
131     ItemMonikerImpl_CommonPrefixWith,
132     ItemMonikerImpl_RelativePathTo,
133     ItemMonikerImpl_GetDisplayName,
134     ItemMonikerImpl_ParseDisplayName,
135     ItemMonikerImpl_IsSystemMoniker
136 };
137
138 /********************************************************************************/
139 /* Virtual function table for the IROTData class.                               */
140 static ICOM_VTABLE(IROTData) VT_ROTDataImpl =
141 {
142     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
143     ItemMonikerROTDataImpl_QueryInterface,
144     ItemMonikerROTDataImpl_AddRef,
145     ItemMonikerROTDataImpl_Release,
146     ItemMonikerROTDataImpl_GetComparaisonData
147 };
148
149 /*******************************************************************************
150  *        ItemMoniker_QueryInterface
151  *******************************************************************************/
152 HRESULT WINAPI ItemMonikerImpl_QueryInterface(IMoniker* iface,REFIID riid,void** ppvObject)
153 {
154     ICOM_THIS(ItemMonikerImpl,iface);
155
156   TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
157
158   /* Perform a sanity check on the parameters.*/
159     if ( (This==0) || (ppvObject==0) )
160         return E_INVALIDARG;
161
162   /* Initialize the return parameter */
163   *ppvObject = 0;
164
165   /* Compare the riid with the interface IDs implemented by this object.*/
166   if (IsEqualIID(&IID_IUnknown, riid) ||
167       IsEqualIID(&IID_IPersist, riid) ||
168       IsEqualIID(&IID_IPersistStream, riid) ||
169       IsEqualIID(&IID_IMoniker, riid)
170      )
171       *ppvObject = iface;
172
173     else if (IsEqualIID(&IID_IROTData, riid))
174         *ppvObject = (IROTData*)&(This->lpvtbl2);
175
176   /* Check that we obtained an interface.*/
177     if ((*ppvObject)==0)
178         return E_NOINTERFACE;
179
180    /* Query Interface always increases the reference count by one when it is successful */
181   ItemMonikerImpl_AddRef(iface);
182
183   return S_OK;
184 }
185
186 /******************************************************************************
187  *        ItemMoniker_AddRef
188  ******************************************************************************/
189 ULONG WINAPI ItemMonikerImpl_AddRef(IMoniker* iface)
190 {
191     ICOM_THIS(ItemMonikerImpl,iface);
192
193     TRACE("(%p)\n",This);
194
195     return ++(This->ref);
196 }
197
198 /******************************************************************************
199  *        ItemMoniker_Release
200  ******************************************************************************/
201 ULONG WINAPI ItemMonikerImpl_Release(IMoniker* iface)
202 {
203     ICOM_THIS(ItemMonikerImpl,iface);
204
205     TRACE("(%p)\n",This);
206
207     This->ref--;
208
209     /* destroy the object if there's no more reference on it */
210     if (This->ref==0){
211
212         ItemMonikerImpl_Destroy(This);
213
214         return 0;
215     }
216     return This->ref;
217 }
218
219 /******************************************************************************
220  *        ItemMoniker_GetClassID
221  ******************************************************************************/
222 HRESULT WINAPI ItemMonikerImpl_GetClassID(IMoniker* iface,CLSID *pClassID)
223 {
224     TRACE("(%p,%p),stub!\n",iface,pClassID);
225
226     if (pClassID==NULL)
227         return E_POINTER;
228
229     *pClassID = CLSID_ItemMoniker;
230
231     return S_OK;
232 }
233
234 /******************************************************************************
235  *        ItemMoniker_IsDirty
236  ******************************************************************************/
237 HRESULT WINAPI ItemMonikerImpl_IsDirty(IMoniker* iface)
238 {
239     /* Note that the OLE-provided implementations of the IPersistStream::IsDirty
240        method in the OLE-provided moniker interfaces always return S_FALSE because
241        their internal state never changes. */
242
243     TRACE("(%p)\n",iface);
244
245     return S_FALSE;
246 }
247
248 /******************************************************************************
249  *        ItemMoniker_Load
250  ******************************************************************************/
251 HRESULT WINAPI ItemMonikerImpl_Load(IMoniker* iface,IStream* pStm)
252 {
253
254     ICOM_THIS(ItemMonikerImpl,iface);
255     HRESULT res;
256     DWORD delimiterLength,nameLength,lenW;
257     CHAR *itemNameA,*itemDelimiterA;
258     ULONG bread;
259
260     /* for more details about data read by this function see coments of ItemMonikerImpl_Save function */
261
262     /* read item delimiter string length + 1 */
263     res=IStream_Read(pStm,&delimiterLength,sizeof(DWORD),&bread);
264     if (bread != sizeof(DWORD))
265         return E_FAIL;
266
267     /* read item delimiter string */
268     if (!(itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength)))
269         return E_OUTOFMEMORY;
270     res=IStream_Read(pStm,itemDelimiterA,delimiterLength,&bread);
271     if (bread != delimiterLength)
272     {
273         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
274         return E_FAIL;
275     }
276
277     lenW = MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, NULL, 0 );
278     This->itemDelimiter=HeapReAlloc(GetProcessHeap(),0,This->itemDelimiter,lenW*sizeof(WCHAR));
279     if (!This->itemDelimiter)
280     {
281         HeapFree( GetProcessHeap(), 0, itemDelimiterA );
282         return E_OUTOFMEMORY;
283     }
284     MultiByteToWideChar( CP_ACP, 0, itemDelimiterA, -1, This->itemDelimiter, lenW );
285     HeapFree( GetProcessHeap(), 0, itemDelimiterA );
286
287     /* read item name string length + 1*/
288     res=IStream_Read(pStm,&nameLength,sizeof(DWORD),&bread);
289     if (bread != sizeof(DWORD))
290         return E_FAIL;
291
292     /* read item name string */
293     if (!(itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength)))
294         return E_OUTOFMEMORY;
295     res=IStream_Read(pStm,itemNameA,nameLength,&bread);
296     if (bread != nameLength)
297     {
298         HeapFree( GetProcessHeap(), 0, itemNameA );
299         return E_FAIL;
300     }
301
302     lenW = MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, NULL, 0 );
303     This->itemName=HeapReAlloc(GetProcessHeap(),0,This->itemName,lenW*sizeof(WCHAR));
304     if (!This->itemName)
305     {
306         HeapFree( GetProcessHeap(), 0, itemNameA );
307         return E_OUTOFMEMORY;
308     }
309     MultiByteToWideChar( CP_ACP, 0, itemNameA, -1, This->itemName, lenW );
310     HeapFree( GetProcessHeap(), 0, itemNameA );
311
312     return res;
313 }
314
315 /******************************************************************************
316  *        ItemMoniker_Save
317  ******************************************************************************/
318 HRESULT WINAPI ItemMonikerImpl_Save(IMoniker* iface,
319                                     IStream* pStm,/* pointer to the stream where the object is to be saved */
320                                     BOOL fClearDirty)/* Specifies whether to clear the dirty flag */
321 {
322     ICOM_THIS(ItemMonikerImpl,iface);
323     HRESULT res;
324     CHAR *itemNameA,*itemDelimiterA;
325
326     /* data writen by this function are : 1) DWORD : size of item delimiter string ('\0' included ) */
327     /*                                    2) String (type A): item delimiter string ('\0' included)          */
328     /*                                    3) DWORD : size of item name string ('\0' included)       */
329     /*                                    4) String (type A): item name string ('\0' included)               */
330
331     DWORD nameLength = WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, NULL, 0, NULL, NULL);
332     DWORD delimiterLength = WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, NULL, 0, NULL, NULL);
333     itemNameA=HeapAlloc(GetProcessHeap(),0,nameLength);
334     itemDelimiterA=HeapAlloc(GetProcessHeap(),0,delimiterLength);
335     WideCharToMultiByte( CP_ACP, 0, This->itemName, -1, itemNameA, nameLength, NULL, NULL);
336     WideCharToMultiByte( CP_ACP, 0, This->itemDelimiter, -1, itemDelimiterA, delimiterLength, NULL, NULL);
337
338     res=IStream_Write(pStm,&delimiterLength,sizeof(DWORD),NULL);
339     res=IStream_Write(pStm,itemDelimiterA,delimiterLength * sizeof(CHAR),NULL);
340     res=IStream_Write(pStm,&nameLength,sizeof(DWORD),NULL);
341     res=IStream_Write(pStm,itemNameA,nameLength * sizeof(CHAR),NULL);
342
343     return res;
344 }
345
346 /******************************************************************************
347  *        ItemMoniker_GetSizeMax
348  ******************************************************************************/
349 HRESULT WINAPI ItemMonikerImpl_GetSizeMax(IMoniker* iface,
350                                           ULARGE_INTEGER* pcbSize)/* Pointer to size of stream needed to save object */
351 {
352     ICOM_THIS(ItemMonikerImpl,iface);
353     DWORD delimiterLength=lstrlenW(This->itemDelimiter)+1;
354     DWORD nameLength=lstrlenW(This->itemName)+1;
355
356     TRACE("(%p,%p)\n",iface,pcbSize);
357
358     if (pcbSize!=NULL)
359         return E_POINTER;
360
361     /* for more details see ItemMonikerImpl_Save coments */
362
363     pcbSize->s.LowPart =  sizeof(DWORD) + /* DWORD which contains delimiter length */
364                         delimiterLength + /* item delimiter string */
365                         sizeof(DWORD) + /* DWORD which contains item name length */
366                         nameLength + /* item name string */
367                         34; /* this constant was added ! because when I tested this function it usually */
368                             /*  returns 34 bytes more than the number of bytes used by IMoniker::Save function */
369     pcbSize->s.HighPart=0;
370
371     return S_OK;
372 }
373
374 /******************************************************************************
375  *         ItemMoniker_Construct (local function)
376  *******************************************************************************/
377 HRESULT WINAPI ItemMonikerImpl_Construct(ItemMonikerImpl* This, LPCOLESTR lpszDelim,LPCOLESTR lpszItem)
378 {
379
380     int sizeStr1=lstrlenW(lpszItem), sizeStr2;
381     static const OLECHAR emptystr[1];
382     LPCOLESTR   delim;
383
384     TRACE("(%p,%p)\n",This,lpszItem);
385
386     /* Initialize the virtual fgunction table. */
387     This->lpvtbl1      = &VT_ItemMonikerImpl;
388     This->lpvtbl2      = &VT_ROTDataImpl;
389     This->ref          = 0;
390
391     This->itemName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr1+1));
392     if (!This->itemName)
393         return E_OUTOFMEMORY;
394     lstrcpyW(This->itemName,lpszItem);
395
396     if (!lpszDelim)
397         FIXME("lpszDelim is NULL. Using empty string which is possibly wrong.\n");
398
399     delim = lpszDelim ? lpszDelim : emptystr;
400
401     sizeStr2=lstrlenW(delim);
402     This->itemDelimiter=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr2+1));
403     if (!This->itemDelimiter) {
404         HeapFree(GetProcessHeap(),0,This->itemName);
405         return E_OUTOFMEMORY;
406     }
407     lstrcpyW(This->itemDelimiter,delim);
408     return S_OK;
409 }
410
411 /******************************************************************************
412  *        ItemMoniker_Destroy (local function)
413  *******************************************************************************/
414 HRESULT WINAPI ItemMonikerImpl_Destroy(ItemMonikerImpl* This)
415 {
416     TRACE("(%p)\n",This);
417
418     if (This->itemName)
419         HeapFree(GetProcessHeap(),0,This->itemName);
420
421     if (This->itemDelimiter)
422         HeapFree(GetProcessHeap(),0,This->itemDelimiter);
423
424     HeapFree(GetProcessHeap(),0,This);
425
426     return S_OK;
427 }
428
429 /******************************************************************************
430  *                  ItemMoniker_BindToObject
431  ******************************************************************************/
432 HRESULT WINAPI ItemMonikerImpl_BindToObject(IMoniker* iface,
433                                             IBindCtx* pbc,
434                                             IMoniker* pmkToLeft,
435                                             REFIID riid,
436                                             VOID** ppvResult)
437 {
438     ICOM_THIS(ItemMonikerImpl,iface);
439
440     HRESULT   res;
441     IID    refid=IID_IOleItemContainer;
442     IOleItemContainer *poic=0;
443
444     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
445
446     if(ppvResult ==NULL)
447         return E_POINTER;
448
449     if(pmkToLeft==NULL)
450         return E_INVALIDARG;
451
452     *ppvResult=0;
453
454     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&refid,(void**)&poic);
455
456     if (SUCCEEDED(res)){
457
458         res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,riid,ppvResult);
459
460         IOleItemContainer_Release(poic);
461     }
462
463     return res;
464 }
465
466 /******************************************************************************
467  *        ItemMoniker_BindToStorage
468  ******************************************************************************/
469 HRESULT WINAPI ItemMonikerImpl_BindToStorage(IMoniker* iface,
470                                              IBindCtx* pbc,
471                                              IMoniker* pmkToLeft,
472                                              REFIID riid,
473                                              VOID** ppvResult)
474 {
475     ICOM_THIS(ItemMonikerImpl,iface);
476
477     HRESULT   res;
478     IOleItemContainer *poic=0;
479
480     TRACE("(%p,%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,riid,ppvResult);
481
482     *ppvResult=0;
483
484     if(pmkToLeft==NULL)
485         return E_INVALIDARG;
486
487     res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
488
489     if (SUCCEEDED(res)){
490
491         res=IOleItemContainer_GetObjectStorage(poic,This->itemName,pbc,riid,ppvResult);
492
493         IOleItemContainer_Release(poic);
494     }
495
496     return res;
497 }
498
499 /******************************************************************************
500  *        ItemMoniker_Reduce
501  ******************************************************************************/
502 HRESULT WINAPI ItemMonikerImpl_Reduce(IMoniker* iface,
503                                       IBindCtx* pbc,
504                                       DWORD dwReduceHowFar,
505                                       IMoniker** ppmkToLeft,
506                                       IMoniker** ppmkReduced)
507 {
508     TRACE("(%p,%p,%ld,%p,%p)\n",iface,pbc,dwReduceHowFar,ppmkToLeft,ppmkReduced);
509
510     if (ppmkReduced==NULL)
511         return E_POINTER;
512
513     ItemMonikerImpl_AddRef(iface);
514
515     *ppmkReduced=iface;
516
517     return MK_S_REDUCED_TO_SELF;
518 }
519 /******************************************************************************
520  *        ItemMoniker_ComposeWith
521  ******************************************************************************/
522 HRESULT WINAPI ItemMonikerImpl_ComposeWith(IMoniker* iface,
523                                            IMoniker* pmkRight,
524                                            BOOL fOnlyIfNotGeneric,
525                                            IMoniker** ppmkComposite)
526 {
527     HRESULT res=S_OK;
528     DWORD mkSys,mkSys2;
529     IEnumMoniker* penumMk=0;
530     IMoniker *pmostLeftMk=0;
531     IMoniker* tempMkComposite=0;
532
533     TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
534
535     if ((ppmkComposite==NULL)||(pmkRight==NULL))
536         return E_POINTER;
537
538     *ppmkComposite=0;
539
540     IMoniker_IsSystemMoniker(pmkRight,&mkSys);
541
542     /* If pmkRight is an anti-moniker, the returned moniker is NULL */
543     if(mkSys==MKSYS_ANTIMONIKER)
544         return res;
545
546     else
547         /* if pmkRight is a composite whose leftmost component is an anti-moniker,           */
548         /* the returned moniker is the composite after the leftmost anti-moniker is removed. */
549
550          if(mkSys==MKSYS_GENERICCOMPOSITE){
551
552             res=IMoniker_Enum(pmkRight,TRUE,&penumMk);
553
554             if (FAILED(res))
555                 return res;
556
557             res=IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL);
558
559             IMoniker_IsSystemMoniker(pmostLeftMk,&mkSys2);
560
561             if(mkSys2==MKSYS_ANTIMONIKER){
562
563                 IMoniker_Release(pmostLeftMk);
564
565                 tempMkComposite=iface;
566                 IMoniker_AddRef(iface);
567
568                 while(IEnumMoniker_Next(penumMk,1,&pmostLeftMk,NULL)==S_OK){
569
570                     res=CreateGenericComposite(tempMkComposite,pmostLeftMk,ppmkComposite);
571
572                     IMoniker_Release(tempMkComposite);
573                     IMoniker_Release(pmostLeftMk);
574
575                     tempMkComposite=*ppmkComposite;
576                     IMoniker_AddRef(tempMkComposite);
577                 }
578                 return res;
579             }
580             else
581                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
582          }
583          /* If pmkRight is not an anti-moniker, the method combines the two monikers into a generic
584           composite if fOnlyIfNotGeneric is FALSE; if fOnlyIfNotGeneric is TRUE, the method returns
585           a NULL moniker and a return value of MK_E_NEEDGENERIC */
586           else
587             if (!fOnlyIfNotGeneric)
588                 return CreateGenericComposite(iface,pmkRight,ppmkComposite);
589
590             else
591                 return MK_E_NEEDGENERIC;
592 }
593
594 /******************************************************************************
595  *        ItemMoniker_Enum
596  ******************************************************************************/
597 HRESULT WINAPI ItemMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker)
598 {
599     TRACE("(%p,%d,%p)\n",iface,fForward,ppenumMoniker);
600
601     if (ppenumMoniker == NULL)
602         return E_POINTER;
603
604     *ppenumMoniker = NULL;
605
606     return S_OK;
607 }
608
609 /******************************************************************************
610  *        ItemMoniker_IsEqual
611  ******************************************************************************/
612 HRESULT WINAPI ItemMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
613 {
614
615     CLSID clsid;
616     LPOLESTR dispName1,dispName2;
617     IBindCtx* bind;
618     HRESULT res = S_FALSE;
619
620     TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
621
622     if (!pmkOtherMoniker) return S_FALSE;
623
624
625     /* check if both are ItemMoniker */
626     if(FAILED (IMoniker_GetClassID(pmkOtherMoniker,&clsid))) return S_FALSE;
627     if(!IsEqualCLSID(&clsid,&CLSID_ItemMoniker)) return S_FALSE;
628
629     /* check if both displaynames are the same */
630     if(SUCCEEDED ((res = CreateBindCtx(0,&bind)))) {
631         if(SUCCEEDED (IMoniker_GetDisplayName(iface,bind,NULL,&dispName1))) {
632             if(SUCCEEDED (IMoniker_GetDisplayName(pmkOtherMoniker,bind,NULL,&dispName2))) {
633                 if(lstrcmpW(dispName1,dispName2)==0) res = S_OK;
634                 CoTaskMemFree(dispName2);
635             }
636             CoTaskMemFree(dispName1);
637         }
638     }
639     return res;
640 }
641
642 /******************************************************************************
643  *        ItemMoniker_Hash
644  ******************************************************************************/
645 HRESULT WINAPI ItemMonikerImpl_Hash(IMoniker* iface,DWORD* pdwHash)
646 {
647     ICOM_THIS(ItemMonikerImpl,iface);
648
649     int  h = 0,i,skip,len;
650     int  off = 0;
651     LPOLESTR val;
652
653     if (pdwHash==NULL)
654         return E_POINTER;
655
656     val =  This->itemName;
657     len = lstrlenW(val);
658
659     if (len < 16) {
660         for (i = len ; i > 0; i--) {
661             h = (h * 37) + val[off++];
662         }
663     } else {
664         /* only sample some characters */
665         skip = len / 8;
666         for (i = len ; i > 0; i -= skip, off += skip) {
667             h = (h * 39) + val[off];
668         }
669     }
670
671     *pdwHash=h;
672
673     return S_OK;
674 }
675
676 /******************************************************************************
677  *        ItemMoniker_IsRunning
678  ******************************************************************************/
679 HRESULT WINAPI ItemMonikerImpl_IsRunning(IMoniker* iface,
680                                          IBindCtx* pbc,
681                                          IMoniker* pmkToLeft,
682                                          IMoniker* pmkNewlyRunning)
683 {
684     IRunningObjectTable* rot;
685     HRESULT res;
686     IOleItemContainer *poic=0;
687     ICOM_THIS(ItemMonikerImpl,iface);
688
689     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pmkNewlyRunning);
690
691     /* If pmkToLeft is NULL, this method returns TRUE if pmkNewlyRunning is non-NULL and is equal to this */
692     /* moniker. Otherwise, the method checks the ROT to see whether this moniker is running.              */
693     if (pmkToLeft==NULL)
694         if ((pmkNewlyRunning!=NULL)&&(IMoniker_IsEqual(pmkNewlyRunning,iface)==S_OK))
695             return S_OK;
696         else {
697             if (pbc==NULL)
698                 return E_POINTER;
699
700             res=IBindCtx_GetRunningObjectTable(pbc,&rot);
701
702             if (FAILED(res))
703                 return res;
704
705             res = IRunningObjectTable_IsRunning(rot,iface);
706
707             IRunningObjectTable_Release(rot);
708         }
709     else{
710
711         /* If pmkToLeft is non-NULL, the method calls IMoniker::BindToObject on the pmkToLeft parameter,         */
712         /* requesting an IOleItemContainer interface pointer. The method then calls IOleItemContainer::IsRunning,*/
713         /* passing the string contained within this moniker. */
714
715         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
716
717         if (SUCCEEDED(res)){
718
719             res=IOleItemContainer_IsRunning(poic,This->itemName);
720
721             IOleItemContainer_Release(poic);
722         }
723     }
724
725     return res;
726 }
727
728 /******************************************************************************
729  *        ItemMoniker_GetTimeOfLastChange
730  ******************************************************************************/
731 HRESULT WINAPI ItemMonikerImpl_GetTimeOfLastChange(IMoniker* iface,
732                                                    IBindCtx* pbc,
733                                                    IMoniker* pmkToLeft,
734                                                    FILETIME* pItemTime)
735 {
736     IRunningObjectTable* rot;
737     HRESULT res;
738     IMoniker *compositeMk;
739
740     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,pItemTime);
741
742     if (pItemTime==NULL)
743         return E_INVALIDARG;
744
745     /* If pmkToLeft is NULL, this method returns MK_E_NOTBINDABLE */
746     if (pmkToLeft==NULL)
747
748         return MK_E_NOTBINDABLE;
749     else {
750
751         /* Otherwise, the method creates a composite of pmkToLeft and this moniker and uses the ROT to access  */
752         /* the time of last change. If the object is not in the ROT, the method calls                          */
753         /* IMoniker::GetTimeOfLastChange on the pmkToLeft parameter.                                            */
754
755         res=CreateGenericComposite(pmkToLeft,iface,&compositeMk);
756
757         res=IBindCtx_GetRunningObjectTable(pbc,&rot);
758
759         if (IRunningObjectTable_GetTimeOfLastChange(rot,compositeMk,pItemTime)!=S_OK)
760
761             res=IMoniker_GetTimeOfLastChange(pmkToLeft,pbc,NULL,pItemTime);
762
763         IMoniker_Release(compositeMk);
764     }
765
766     return res;
767 }
768
769 /******************************************************************************
770  *        ItemMoniker_Inverse
771  ******************************************************************************/
772 HRESULT WINAPI ItemMonikerImpl_Inverse(IMoniker* iface,IMoniker** ppmk)
773 {
774     TRACE("(%p,%p)\n",iface,ppmk);
775
776     if (ppmk==NULL)
777         return E_POINTER;
778
779     return CreateAntiMoniker(ppmk);
780 }
781
782 /******************************************************************************
783  *        ItemMoniker_CommonPrefixWith
784  ******************************************************************************/
785 HRESULT WINAPI ItemMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
786 {
787     DWORD mkSys;
788     IMoniker_IsSystemMoniker(pmkOther,&mkSys);
789     /* If the other moniker is an item moniker that is equal to this moniker, this method sets *ppmkPrefix */
790     /* to this moniker and returns MK_S_US */
791
792     if((mkSys==MKSYS_ITEMMONIKER) && (IMoniker_IsEqual(iface,pmkOther)==S_OK) ){
793
794         *ppmkPrefix=iface;
795
796         IMoniker_AddRef(iface);
797
798         return MK_S_US;
799     }
800     else
801         /* otherwise, the method calls the MonikerCommonPrefixWith function. This function correctly handles */
802         /* the case where the other moniker is a generic composite. */
803         return MonikerCommonPrefixWith(iface,pmkOther,ppmkPrefix);
804 }
805
806 /******************************************************************************
807  *        ItemMoniker_RelativePathTo
808  ******************************************************************************/
809 HRESULT WINAPI ItemMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
810 {
811     TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
812
813     if (ppmkRelPath==NULL)
814         return E_POINTER;
815
816     *ppmkRelPath=0;
817
818     return MK_E_NOTBINDABLE;
819 }
820
821 /******************************************************************************
822  *        ItemMoniker_GetDisplayName
823  ******************************************************************************/
824 HRESULT WINAPI ItemMonikerImpl_GetDisplayName(IMoniker* iface,
825                                               IBindCtx* pbc,
826                                               IMoniker* pmkToLeft,
827                                               LPOLESTR *ppszDisplayName)
828 {
829     ICOM_THIS(ItemMonikerImpl,iface);
830
831     TRACE("(%p,%p,%p,%p)\n",iface,pbc,pmkToLeft,ppszDisplayName);
832
833     if (ppszDisplayName==NULL)
834         return E_POINTER;
835
836     if (pmkToLeft!=NULL){
837         return E_INVALIDARG;
838     }
839
840     *ppszDisplayName=CoTaskMemAlloc(sizeof(WCHAR)*(lstrlenW(This->itemDelimiter)+lstrlenW(This->itemName)+1));
841
842     if (*ppszDisplayName==NULL)
843         return E_OUTOFMEMORY;
844
845     lstrcpyW(*ppszDisplayName,This->itemDelimiter);
846     lstrcatW(*ppszDisplayName,This->itemName);
847
848     return S_OK;
849 }
850
851 /******************************************************************************
852  *        ItemMoniker_ParseDisplayName
853  ******************************************************************************/
854 HRESULT WINAPI ItemMonikerImpl_ParseDisplayName(IMoniker* iface,
855                                                 IBindCtx* pbc,
856                                                 IMoniker* pmkToLeft,
857                                                 LPOLESTR pszDisplayName,
858                                                 ULONG* pchEaten,
859                                                 IMoniker** ppmkOut)
860 {
861     IOleItemContainer* poic=0;
862     IParseDisplayName* ppdn=0;
863     LPOLESTR displayName;
864     HRESULT res;
865     ICOM_THIS(ItemMonikerImpl,iface);
866
867     /* If pmkToLeft is NULL, this method returns MK_E_SYNTAX */
868     if (pmkToLeft==NULL)
869
870         return MK_E_SYNTAX;
871
872     else{
873         /* Otherwise, the method calls IMoniker::BindToObject on the pmkToLeft parameter, requesting an */
874         /* IParseDisplayName interface pointer to the object identified by the moniker, and passes the display */
875         /* name to IParseDisplayName::ParseDisplayName */
876         res=IMoniker_BindToObject(pmkToLeft,pbc,NULL,&IID_IOleItemContainer,(void**)&poic);
877
878         if (SUCCEEDED(res)){
879
880             res=IOleItemContainer_GetObject(poic,This->itemName,BINDSPEED_MODERATE,pbc,&IID_IParseDisplayName,(void**)&ppdn);
881
882             res=IMoniker_GetDisplayName(iface,pbc,NULL,&displayName);
883
884             res=IParseDisplayName_ParseDisplayName(ppdn,pbc,displayName,pchEaten,ppmkOut);
885
886             IOleItemContainer_Release(poic);
887             IParseDisplayName_Release(ppdn);
888         }
889     }
890     return res;
891 }
892
893 /******************************************************************************
894  *        ItemMoniker_IsSystemMoniker
895  ******************************************************************************/
896 HRESULT WINAPI ItemMonikerImpl_IsSystemMoniker(IMoniker* iface,DWORD* pwdMksys)
897 {
898     TRACE("(%p,%p)\n",iface,pwdMksys);
899
900     if (!pwdMksys)
901         return E_POINTER;
902
903     (*pwdMksys)=MKSYS_ITEMMONIKER;
904
905     return S_OK;
906 }
907
908 /*******************************************************************************
909  *        ItemMonikerIROTData_QueryInterface
910  *******************************************************************************/
911 HRESULT WINAPI ItemMonikerROTDataImpl_QueryInterface(IROTData *iface,REFIID riid,VOID** ppvObject)
912 {
913
914     ICOM_THIS_From_IROTData(IMoniker, iface);
915
916     TRACE("(%p,%p,%p)\n",iface,riid,ppvObject);
917
918     return ItemMonikerImpl_QueryInterface(This, riid, ppvObject);
919 }
920
921 /***********************************************************************
922  *        ItemMonikerIROTData_AddRef
923  */
924 ULONG   WINAPI ItemMonikerROTDataImpl_AddRef(IROTData *iface)
925 {
926     ICOM_THIS_From_IROTData(IMoniker, iface);
927
928     TRACE("(%p)\n",iface);
929
930     return ItemMonikerImpl_AddRef(This);
931 }
932
933 /***********************************************************************
934  *        ItemMonikerIROTData_Release
935  */
936 ULONG   WINAPI ItemMonikerROTDataImpl_Release(IROTData* iface)
937 {
938     ICOM_THIS_From_IROTData(IMoniker, iface);
939
940     TRACE("(%p)\n",iface);
941
942     return ItemMonikerImpl_Release(This);
943 }
944
945 /******************************************************************************
946  *        ItemMonikerIROTData_GetComparaisonData
947  ******************************************************************************/
948 HRESULT WINAPI ItemMonikerROTDataImpl_GetComparaisonData(IROTData* iface,
949                                                          BYTE* pbData,
950                                                          ULONG cbMax,
951                                                          ULONG* pcbData)
952 {
953     FIXME("(),stub!\n");
954     return E_NOTIMPL;
955 }
956
957 /******************************************************************************
958  *        CreateItemMoniker16   [OLE2.28]
959  ******************************************************************************/
960 HRESULT WINAPI CreateItemMoniker16(LPCOLESTR16 lpszDelim,LPCOLESTR  lpszItem,LPMONIKER* ppmk)
961 {
962
963     FIXME("(%s,%p),stub!\n",lpszDelim,ppmk);
964     *ppmk = NULL;
965     return E_NOTIMPL;
966 }
967
968 /******************************************************************************
969  *        CreateItemMoniker     [OLE32.58]
970  ******************************************************************************/
971 HRESULT WINAPI CreateItemMoniker(LPCOLESTR lpszDelim,LPCOLESTR  lpszItem, LPMONIKER * ppmk)
972 {
973     ItemMonikerImpl* newItemMoniker = 0;
974     HRESULT        hr = S_OK;
975     IID riid=IID_IMoniker;
976
977     TRACE("(%p,%p,%p)\n",lpszDelim,lpszItem,ppmk);
978
979     newItemMoniker = HeapAlloc(GetProcessHeap(), 0, sizeof(ItemMonikerImpl));
980
981     if (newItemMoniker == 0)
982         return STG_E_INSUFFICIENTMEMORY;
983
984     hr = ItemMonikerImpl_Construct(newItemMoniker,lpszDelim,lpszItem);
985
986     if (FAILED(hr)){
987
988         HeapFree(GetProcessHeap(),0,newItemMoniker);
989     return hr;
990     }
991
992     return ItemMonikerImpl_QueryInterface((IMoniker*)newItemMoniker,&riid,(void**)ppmk);
993 }