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