?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
wined3d: Use surface_blt_to_drawable() in IWineD3DSurfaceImpl_BltOverride().
[wine/multimedia.git] / dlls / ole32 / stg_prop.c
blobf887d10c0cf53d44899adae35cee67f90cf52c39
1 /*
2 * Compound Storage (32 bit version)
3 * Storage implementation
4 *
5 * This file contains the compound file implementation
6 * of the storage interface.
7 *
8 * Copyright 1999 Francis Beaudet
9 * Copyright 1999 Sylvain St-Germain
10 * Copyright 1999 Thuy Nguyen
11 * Copyright 2005 Mike McCormack
12 * Copyright 2005 Juan Lang
13 *
14 * This library is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU Lesser General Public
16 * License as published by the Free Software Foundation; either
17 * version 2.1 of the License, or (at your option) any later version.
18 *
19 * This library is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Lesser General Public License for more details.
23 *
24 * You should have received a copy of the GNU Lesser General Public
25 * License along with this library; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 *
28 * TODO:
29 * - I don't honor the maximum property set size.
30 * - Certain bogus files could result in reading past the end of a buffer.
31 * - Mac-generated files won't be read correctly, even if they're little
32 * endian, because I disregard whether the generator was a Mac. This means
33 * strings will probably be munged (as I don't understand Mac scripts.)
34 * - Not all PROPVARIANT types are supported.
35 * - User defined properties are not supported, see comment in
36 * PropertyStorage_ReadFromStream
37 */
38
39 #include <assert.h>
40 #include <stdarg.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44
45 #define COBJMACROS
46 #define NONAMELESSUNION
47 #define NONAMELESSSTRUCT
48
49 #include "windef.h"
50 #include "winbase.h"
51 #include "winnls.h"
52 #include "winuser.h"
53 #include "wine/unicode.h"
54 #include "wine/debug.h"
55 #include "dictionary.h"
56 #include "storage32.h"
57 #include "enumx.h"
58
59 WINE_DEFAULT_DEBUG_CHANNEL(storage);
60
61 static inline StorageImpl *impl_from_IPropertySetStorage( IPropertySetStorage *iface )
62 {
63 return (StorageImpl *)((char*)iface - FIELD_OFFSET(StorageImpl, base.pssVtbl));
64 }
65
66 /* These are documented in MSDN,
67 * but they don't seem to be in any header file.
68 */
69 #define PROPSETHDR_BYTEORDER_MAGIC 0xfffe
70 #define PROPSETHDR_OSVER_KIND_WIN16 0
71 #define PROPSETHDR_OSVER_KIND_MAC 1
72 #define PROPSETHDR_OSVER_KIND_WIN32 2
73
74 #define CP_UNICODE 1200
75
76 #define MAX_VERSION_0_PROP_NAME_LENGTH 256
77
78 #define CFTAG_WINDOWS (-1L)
79 #define CFTAG_MACINTOSH (-2L)
80 #define CFTAG_FMTID (-3L)
81 #define CFTAG_NODATA 0L
82
83 typedef struct tagPROPERTYSETHEADER
84 {
85 WORD wByteOrder; /* always 0xfffe */
86 WORD wFormat; /* can be zero or one */
87 DWORD dwOSVer; /* OS version of originating system */
88 CLSID clsid; /* application CLSID */
89 DWORD reserved; /* always 1 */
90 } PROPERTYSETHEADER;
91
92 typedef struct tagFORMATIDOFFSET
93 {
94 FMTID fmtid;
95 DWORD dwOffset; /* from beginning of stream */
96 } FORMATIDOFFSET;
97
98 typedef struct tagPROPERTYSECTIONHEADER
99 {
100 DWORD cbSection;
101 DWORD cProperties;
102 } PROPERTYSECTIONHEADER;
103
104 typedef struct tagPROPERTYIDOFFSET
105 {
106 DWORD propid;
107 DWORD dwOffset; /* from beginning of section */
108 } PROPERTYIDOFFSET;
109
110 typedef struct tagPropertyStorage_impl PropertyStorage_impl;
111
112 /* Initializes the property storage from the stream (and undoes any uncommitted
113 * changes in the process.) Returns an error if there is an error reading or
114 * if the stream format doesn't match what's expected.
115 */
116 static HRESULT PropertyStorage_ReadFromStream(PropertyStorage_impl *);
117
118 static HRESULT PropertyStorage_WriteToStream(PropertyStorage_impl *);
119
120 /* Creates the dictionaries used by the property storage. If successful, all
121 * the dictionaries have been created. If failed, none has been. (This makes
122 * it a bit easier to deal with destroying them.)
123 */
124 static HRESULT PropertyStorage_CreateDictionaries(PropertyStorage_impl *);
125
126 static void PropertyStorage_DestroyDictionaries(PropertyStorage_impl *);
127
128 /* Copies from propvar to prop. If propvar's type is VT_LPSTR, copies the
129 * string using PropertyStorage_StringCopy.
130 */
131 static HRESULT PropertyStorage_PropVariantCopy(PROPVARIANT *prop,
132 const PROPVARIANT *propvar, LCID targetCP, LCID srcCP);
133
134 /* Copies the string src, which is encoded using code page srcCP, and returns
135 * it in *dst, in the code page specified by targetCP. The returned string is
136 * allocated using CoTaskMemAlloc.
137 * If srcCP is CP_UNICODE, src is in fact an LPCWSTR. Similarly, if targetCP
138 * is CP_UNICODE, the returned string is in fact an LPWSTR.
139 * Returns S_OK on success, something else on failure.
140 */
141 static HRESULT PropertyStorage_StringCopy(LPCSTR src, LCID srcCP, LPSTR *dst,
142 LCID targetCP);
143
144 static const IPropertyStorageVtbl IPropertyStorage_Vtbl;
145 static const IEnumSTATPROPSETSTGVtbl IEnumSTATPROPSETSTG_Vtbl;
146 static const IEnumSTATPROPSTGVtbl IEnumSTATPROPSTG_Vtbl;
147 static HRESULT create_EnumSTATPROPSETSTG(StorageImpl *, IEnumSTATPROPSETSTG**);
148 static HRESULT create_EnumSTATPROPSTG(PropertyStorage_impl *, IEnumSTATPROPSTG**);
149
150 /***********************************************************************
151 * Implementation of IPropertyStorage
152 */
153 struct tagPropertyStorage_impl
154 {
155 const IPropertyStorageVtbl *vtbl;
156 LONG ref;
157 CRITICAL_SECTION cs;
158 IStream *stm;
159 BOOL dirty;
160 FMTID fmtid;
161 CLSID clsid;
162 WORD format;
163 DWORD originatorOS;
164 DWORD grfFlags;
165 DWORD grfMode;
166 UINT codePage;
167 LCID locale;
168 PROPID highestProp;
169 struct dictionary *name_to_propid;
170 struct dictionary *propid_to_name;
171 struct dictionary *propid_to_prop;
172 };
173
174 /************************************************************************
175 * IPropertyStorage_fnQueryInterface (IPropertyStorage)
176 */
177 static HRESULT WINAPI IPropertyStorage_fnQueryInterface(
178 IPropertyStorage *iface,
179 REFIID riid,
180 void** ppvObject)
181 {
182 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
183
184 TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppvObject);
185
186 if (!ppvObject)
187 return E_INVALIDARG;
188
189 *ppvObject = 0;
190
191 if (IsEqualGUID(&IID_IUnknown, riid) ||
192 IsEqualGUID(&IID_IPropertyStorage, riid))
193 {
194 IPropertyStorage_AddRef(iface);
195 *ppvObject = iface;
196 return S_OK;
197 }
198
199 return E_NOINTERFACE;
200 }
201
202 /************************************************************************
203 * IPropertyStorage_fnAddRef (IPropertyStorage)
204 */
205 static ULONG WINAPI IPropertyStorage_fnAddRef(
206 IPropertyStorage *iface)
207 {
208 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
209 return InterlockedIncrement(&This->ref);
210 }
211
212 /************************************************************************
213 * IPropertyStorage_fnRelease (IPropertyStorage)
214 */
215 static ULONG WINAPI IPropertyStorage_fnRelease(
216 IPropertyStorage *iface)
217 {
218 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
219 ULONG ref;
220
221 ref = InterlockedDecrement(&This->ref);
222 if (ref == 0)
223 {
224 TRACE("Destroying %p\n", This);
225 if (This->dirty)
226 IPropertyStorage_Commit(iface, STGC_DEFAULT);
227 IStream_Release(This->stm);
228 This->cs.DebugInfo->Spare[0] = 0;
229 DeleteCriticalSection(&This->cs);
230 PropertyStorage_DestroyDictionaries(This);
231 HeapFree(GetProcessHeap(), 0, This);
232 }
233 return ref;
234 }
235
236 static PROPVARIANT *PropertyStorage_FindProperty(PropertyStorage_impl *This,
237 DWORD propid)
238 {
239 PROPVARIANT *ret = NULL;
240
241 dictionary_find(This->propid_to_prop, UlongToPtr(propid), (void **)&ret);
242 TRACE("returning %p\n", ret);
243 return ret;
244 }
245
246 /* Returns NULL if name is NULL. */
247 static PROPVARIANT *PropertyStorage_FindPropertyByName(
248 PropertyStorage_impl *This, LPCWSTR name)
249 {
250 PROPVARIANT *ret = NULL;
251 void *propid;
252
253 if (!name)
254 return NULL;
255 if (This->codePage == CP_UNICODE)
256 {
257 if (dictionary_find(This->name_to_propid, name, &propid))
258 ret = PropertyStorage_FindProperty(This, PtrToUlong(propid));
259 }
260 else
261 {
262 LPSTR ansiName;
263 HRESULT hr = PropertyStorage_StringCopy((LPCSTR)name, CP_UNICODE,
264 &ansiName, This->codePage);
265
266 if (SUCCEEDED(hr))
267 {
268 if (dictionary_find(This->name_to_propid, ansiName, &propid))
269 ret = PropertyStorage_FindProperty(This, PtrToUlong(propid));
270 CoTaskMemFree(ansiName);
271 }
272 }
273 TRACE("returning %p\n", ret);
274 return ret;
275 }
276
277 static LPWSTR PropertyStorage_FindPropertyNameById(PropertyStorage_impl *This,
278 DWORD propid)
279 {
280 LPWSTR ret = NULL;
281
282 dictionary_find(This->propid_to_name, UlongToPtr(propid), (void **)&ret);
283 TRACE("returning %p\n", ret);
284 return ret;
285 }
286
287 /************************************************************************
288 * IPropertyStorage_fnReadMultiple (IPropertyStorage)
289 */
290 static HRESULT WINAPI IPropertyStorage_fnReadMultiple(
291 IPropertyStorage* iface,
292 ULONG cpspec,
293 const PROPSPEC rgpspec[],
294 PROPVARIANT rgpropvar[])
295 {
296 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
297 HRESULT hr = S_OK;
298 ULONG i;
299
300 TRACE("(%p, %d, %p, %p)\n", iface, cpspec, rgpspec, rgpropvar);
301
302 if (!cpspec)
303 return S_FALSE;
304 if (!rgpspec || !rgpropvar)
305 return E_INVALIDARG;
306 EnterCriticalSection(&This->cs);
307 for (i = 0; i < cpspec; i++)
308 {
309 PropVariantInit(&rgpropvar[i]);
310 if (rgpspec[i].ulKind == PRSPEC_LPWSTR)
311 {
312 PROPVARIANT *prop = PropertyStorage_FindPropertyByName(This,
313 rgpspec[i].u.lpwstr);
314
315 if (prop)
316 PropertyStorage_PropVariantCopy(&rgpropvar[i], prop, GetACP(),
317 This->codePage);
318 }
319 else
320 {
321 switch (rgpspec[i].u.propid)
322 {
323 case PID_CODEPAGE:
324 rgpropvar[i].vt = VT_I2;
325 rgpropvar[i].u.iVal = This->codePage;
326 break;
327 case PID_LOCALE:
328 rgpropvar[i].vt = VT_I4;
329 rgpropvar[i].u.lVal = This->locale;
330 break;
331 default:
332 {
333 PROPVARIANT *prop = PropertyStorage_FindProperty(This,
334 rgpspec[i].u.propid);
335
336 if (prop)
337 PropertyStorage_PropVariantCopy(&rgpropvar[i], prop,
338 GetACP(), This->codePage);
339 else
340 hr = S_FALSE;
341 }
342 }
343 }
344 }
345 LeaveCriticalSection(&This->cs);
346 return hr;
347 }
348
349 static HRESULT PropertyStorage_StringCopy(LPCSTR src, LCID srcCP, LPSTR *dst,
350 LCID dstCP)
351 {
352 HRESULT hr = S_OK;
353 int len;
354
355 TRACE("%s, %p, %d, %d\n",
356 srcCP == CP_UNICODE ? debugstr_w((LPCWSTR)src) : debugstr_a(src), dst,
357 dstCP, srcCP);
358 assert(src);
359 assert(dst);
360 *dst = NULL;
361 if (dstCP == srcCP)
362 {
363 size_t len;
364
365 if (dstCP == CP_UNICODE)
366 len = (strlenW((LPCWSTR)src) + 1) * sizeof(WCHAR);
367 else
368 len = strlen(src) + 1;
369 *dst = CoTaskMemAlloc(len * sizeof(WCHAR));
370 if (!*dst)
371 hr = STG_E_INSUFFICIENTMEMORY;
372 else
373 memcpy(*dst, src, len);
374 }
375 else
376 {
377 if (dstCP == CP_UNICODE)
378 {
379 len = MultiByteToWideChar(srcCP, 0, src, -1, NULL, 0);
380 *dst = CoTaskMemAlloc(len * sizeof(WCHAR));
381 if (!*dst)
382 hr = STG_E_INSUFFICIENTMEMORY;
383 else
384 MultiByteToWideChar(srcCP, 0, src, -1, (LPWSTR)*dst, len);
385 }
386 else
387 {
388 LPCWSTR wideStr = NULL;
389 LPWSTR wideStr_tmp = NULL;
390
391 if (srcCP == CP_UNICODE)
392 wideStr = (LPCWSTR)src;
393 else
394 {
395 len = MultiByteToWideChar(srcCP, 0, src, -1, NULL, 0);
396 wideStr_tmp = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
397 if (wideStr_tmp)
398 {
399 MultiByteToWideChar(srcCP, 0, src, -1, wideStr_tmp, len);
400 wideStr = wideStr_tmp;
401 }
402 else
403 hr = STG_E_INSUFFICIENTMEMORY;
404 }
405 if (SUCCEEDED(hr))
406 {
407 len = WideCharToMultiByte(dstCP, 0, wideStr, -1, NULL, 0,
408 NULL, NULL);
409 *dst = CoTaskMemAlloc(len);
410 if (!*dst)
411 hr = STG_E_INSUFFICIENTMEMORY;
412 else
413 {
414 BOOL defCharUsed = FALSE;
415
416 if (WideCharToMultiByte(dstCP, 0, wideStr, -1, *dst, len,
417 NULL, &defCharUsed) == 0 || defCharUsed)
418 {
419 CoTaskMemFree(*dst);
420 *dst = NULL;
421 hr = HRESULT_FROM_WIN32(ERROR_NO_UNICODE_TRANSLATION);
422 }
423 }
424 }
425 HeapFree(GetProcessHeap(), 0, wideStr_tmp);
426 }
427 }
428 TRACE("returning 0x%08x (%s)\n", hr,
429 dstCP == CP_UNICODE ? debugstr_w((LPCWSTR)*dst) : debugstr_a(*dst));
430 return hr;
431 }
432
433 static HRESULT PropertyStorage_PropVariantCopy(PROPVARIANT *prop,
434 const PROPVARIANT *propvar, LCID targetCP, LCID srcCP)
435 {
436 HRESULT hr = S_OK;
437
438 assert(prop);
439 assert(propvar);
440 if (propvar->vt == VT_LPSTR)
441 {
442 hr = PropertyStorage_StringCopy(propvar->u.pszVal, srcCP,
443 &prop->u.pszVal, targetCP);
444 if (SUCCEEDED(hr))
445 prop->vt = VT_LPSTR;
446 }
447 else
448 PropVariantCopy(prop, propvar);
449 return hr;
450 }
451
452 /* Stores the property with id propid and value propvar into this property
453 * storage. lcid is ignored if propvar's type is not VT_LPSTR. If propvar's
454 * type is VT_LPSTR, converts the string using lcid as the source code page
455 * and This->codePage as the target code page before storing.
456 * As a side effect, may change This->format to 1 if the type of propvar is
457 * a version 1-only property.
458 */
459 static HRESULT PropertyStorage_StorePropWithId(PropertyStorage_impl *This,
460 PROPID propid, const PROPVARIANT *propvar, LCID lcid)
461 {
462 HRESULT hr = S_OK;
463 PROPVARIANT *prop = PropertyStorage_FindProperty(This, propid);
464
465 assert(propvar);
466 if (propvar->vt & VT_BYREF || propvar->vt & VT_ARRAY)
467 This->format = 1;
468 switch (propvar->vt)
469 {
470 case VT_DECIMAL:
471 case VT_I1:
472 case VT_INT:
473 case VT_UINT:
474 case VT_VECTOR|VT_I1:
475 This->format = 1;
476 }
477 TRACE("Setting 0x%08x to type %d\n", propid, propvar->vt);
478 if (prop)
479 {
480 PropVariantClear(prop);
481 hr = PropertyStorage_PropVariantCopy(prop, propvar, This->codePage,
482 lcid);
483 }
484 else
485 {
486 prop = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
487 sizeof(PROPVARIANT));
488 if (prop)
489 {
490 hr = PropertyStorage_PropVariantCopy(prop, propvar, This->codePage,
491 lcid);
492 if (SUCCEEDED(hr))
493 {
494 dictionary_insert(This->propid_to_prop, UlongToPtr(propid), prop);
495 if (propid > This->highestProp)
496 This->highestProp = propid;
497 }
498 else
499 HeapFree(GetProcessHeap(), 0, prop);
500 }
501 else
502 hr = STG_E_INSUFFICIENTMEMORY;
503 }
504 return hr;
505 }
506
507 /* Adds the name srcName to the name dictionaries, mapped to property ID id.
508 * srcName is encoded in code page cp, and is converted to This->codePage.
509 * If cp is CP_UNICODE, srcName is actually a unicode string.
510 * As a side effect, may change This->format to 1 if srcName is too long for
511 * a version 0 property storage.
512 * Doesn't validate id.
513 */
514 static HRESULT PropertyStorage_StoreNameWithId(PropertyStorage_impl *This,
515 LPCSTR srcName, LCID cp, PROPID id)
516 {
517 LPSTR name;
518 HRESULT hr;
519
520 assert(srcName);
521
522 hr = PropertyStorage_StringCopy(srcName, cp, &name, This->codePage);
523 if (SUCCEEDED(hr))
524 {
525 if (This->codePage == CP_UNICODE)
526 {
527 if (lstrlenW((LPWSTR)name) >= MAX_VERSION_0_PROP_NAME_LENGTH)
528 This->format = 1;
529 }
530 else
531 {
532 if (strlen(name) >= MAX_VERSION_0_PROP_NAME_LENGTH)
533 This->format = 1;
534 }
535 TRACE("Adding prop name %s, propid %d\n",
536 This->codePage == CP_UNICODE ? debugstr_w((LPCWSTR)name) :
537 debugstr_a(name), id);
538 dictionary_insert(This->name_to_propid, name, UlongToPtr(id));
539 dictionary_insert(This->propid_to_name, UlongToPtr(id), name);
540 }
541 return hr;
542 }
543
544 /************************************************************************
545 * IPropertyStorage_fnWriteMultiple (IPropertyStorage)
546 */
547 static HRESULT WINAPI IPropertyStorage_fnWriteMultiple(
548 IPropertyStorage* iface,
549 ULONG cpspec,
550 const PROPSPEC rgpspec[],
551 const PROPVARIANT rgpropvar[],
552 PROPID propidNameFirst)
553 {
554 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
555 HRESULT hr = S_OK;
556 ULONG i;
557
558 TRACE("(%p, %d, %p, %p)\n", iface, cpspec, rgpspec, rgpropvar);
559
560 if (cpspec && (!rgpspec || !rgpropvar))
561 return E_INVALIDARG;
562 if (!(This->grfMode & STGM_READWRITE))
563 return STG_E_ACCESSDENIED;
564 EnterCriticalSection(&This->cs);
565 This->dirty = TRUE;
566 This->originatorOS = (DWORD)MAKELONG(LOWORD(GetVersion()),
567 PROPSETHDR_OSVER_KIND_WIN32) ;
568 for (i = 0; i < cpspec; i++)
569 {
570 if (rgpspec[i].ulKind == PRSPEC_LPWSTR)
571 {
572 PROPVARIANT *prop = PropertyStorage_FindPropertyByName(This,
573 rgpspec[i].u.lpwstr);
574
575 if (prop)
576 PropVariantCopy(prop, &rgpropvar[i]);
577 else
578 {
579 /* Note that I don't do the special cases here that I do below,
580 * because naming the special PIDs isn't supported.
581 */
582 if (propidNameFirst < PID_FIRST_USABLE ||
583 propidNameFirst >= PID_MIN_READONLY)
584 hr = STG_E_INVALIDPARAMETER;
585 else
586 {
587 PROPID nextId = max(propidNameFirst, This->highestProp + 1);
588
589 hr = PropertyStorage_StoreNameWithId(This,
590 (LPCSTR)rgpspec[i].u.lpwstr, CP_UNICODE, nextId);
591 if (SUCCEEDED(hr))
592 hr = PropertyStorage_StorePropWithId(This, nextId,
593 &rgpropvar[i], GetACP());
594 }
595 }
596 }
597 else
598 {
599 switch (rgpspec[i].u.propid)
600 {
601 case PID_DICTIONARY:
602 /* Can't set the dictionary */
603 hr = STG_E_INVALIDPARAMETER;
604 break;
605 case PID_CODEPAGE:
606 /* Can only set the code page if nothing else has been set */
607 if (dictionary_num_entries(This->propid_to_prop) == 0 &&
608 rgpropvar[i].vt == VT_I2)
609 {
610 This->codePage = rgpropvar[i].u.iVal;
611 if (This->codePage == CP_UNICODE)
612 This->grfFlags &= ~PROPSETFLAG_ANSI;
613 else
614 This->grfFlags |= PROPSETFLAG_ANSI;
615 }
616 else
617 hr = STG_E_INVALIDPARAMETER;
618 break;
619 case PID_LOCALE:
620 /* Can only set the locale if nothing else has been set */
621 if (dictionary_num_entries(This->propid_to_prop) == 0 &&
622 rgpropvar[i].vt == VT_I4)
623 This->locale = rgpropvar[i].u.lVal;
624 else
625 hr = STG_E_INVALIDPARAMETER;
626 break;
627 case PID_ILLEGAL:
628 /* silently ignore like MSDN says */
629 break;
630 default:
631 if (rgpspec[i].u.propid >= PID_MIN_READONLY)
632 hr = STG_E_INVALIDPARAMETER;
633 else
634 hr = PropertyStorage_StorePropWithId(This,
635 rgpspec[i].u.propid, &rgpropvar[i], GetACP());
636 }
637 }
638 }
639 if (This->grfFlags & PROPSETFLAG_UNBUFFERED)
640 IPropertyStorage_Commit(iface, STGC_DEFAULT);
641 LeaveCriticalSection(&This->cs);
642 return hr;
643 }
644
645 /************************************************************************
646 * IPropertyStorage_fnDeleteMultiple (IPropertyStorage)
647 */
648 static HRESULT WINAPI IPropertyStorage_fnDeleteMultiple(
649 IPropertyStorage* iface,
650 ULONG cpspec,
651 const PROPSPEC rgpspec[])
652 {
653 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
654 ULONG i;
655 HRESULT hr;
656
657 TRACE("(%p, %d, %p)\n", iface, cpspec, rgpspec);
658
659 if (cpspec && !rgpspec)
660 return E_INVALIDARG;
661 if (!(This->grfMode & STGM_READWRITE))
662 return STG_E_ACCESSDENIED;
663 hr = S_OK;
664 EnterCriticalSection(&This->cs);
665 This->dirty = TRUE;
666 for (i = 0; i < cpspec; i++)
667 {
668 if (rgpspec[i].ulKind == PRSPEC_LPWSTR)
669 {
670 void *propid;
671
672 if (dictionary_find(This->name_to_propid, rgpspec[i].u.lpwstr, &propid))
673 dictionary_remove(This->propid_to_prop, propid);
674 }
675 else
676 {
677 if (rgpspec[i].u.propid >= PID_FIRST_USABLE &&
678 rgpspec[i].u.propid < PID_MIN_READONLY)
679 dictionary_remove(This->propid_to_prop, UlongToPtr(rgpspec[i].u.propid));
680 else
681 hr = STG_E_INVALIDPARAMETER;
682 }
683 }
684 if (This->grfFlags & PROPSETFLAG_UNBUFFERED)
685 IPropertyStorage_Commit(iface, STGC_DEFAULT);
686 LeaveCriticalSection(&This->cs);
687 return hr;
688 }
689
690 /************************************************************************
691 * IPropertyStorage_fnReadPropertyNames (IPropertyStorage)
692 */
693 static HRESULT WINAPI IPropertyStorage_fnReadPropertyNames(
694 IPropertyStorage* iface,
695 ULONG cpropid,
696 const PROPID rgpropid[],
697 LPOLESTR rglpwstrName[])
698 {
699 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
700 ULONG i;
701 HRESULT hr = S_FALSE;
702
703 TRACE("(%p, %d, %p, %p)\n", iface, cpropid, rgpropid, rglpwstrName);
704
705 if (cpropid && (!rgpropid || !rglpwstrName))
706 return E_INVALIDARG;
707 EnterCriticalSection(&This->cs);
708 for (i = 0; i < cpropid && SUCCEEDED(hr); i++)
709 {
710 LPWSTR name = PropertyStorage_FindPropertyNameById(This, rgpropid[i]);
711
712 if (name)
713 {
714 size_t len = lstrlenW(name);
715
716 hr = S_OK;
717 rglpwstrName[i] = CoTaskMemAlloc((len + 1) * sizeof(WCHAR));
718 if (rglpwstrName)
719 memcpy(rglpwstrName, name, (len + 1) * sizeof(WCHAR));
720 else
721 hr = STG_E_INSUFFICIENTMEMORY;
722 }
723 else
724 rglpwstrName[i] = NULL;
725 }
726 LeaveCriticalSection(&This->cs);
727 return hr;
728 }
729
730 /************************************************************************
731 * IPropertyStorage_fnWritePropertyNames (IPropertyStorage)
732 */
733 static HRESULT WINAPI IPropertyStorage_fnWritePropertyNames(
734 IPropertyStorage* iface,
735 ULONG cpropid,
736 const PROPID rgpropid[],
737 const LPOLESTR rglpwstrName[])
738 {
739 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
740 ULONG i;
741 HRESULT hr;
742
743 TRACE("(%p, %d, %p, %p)\n", iface, cpropid, rgpropid, rglpwstrName);
744
745 if (cpropid && (!rgpropid || !rglpwstrName))
746 return E_INVALIDARG;
747 if (!(This->grfMode & STGM_READWRITE))
748 return STG_E_ACCESSDENIED;
749 hr = S_OK;
750 EnterCriticalSection(&This->cs);
751 This->dirty = TRUE;
752 for (i = 0; SUCCEEDED(hr) && i < cpropid; i++)
753 {
754 if (rgpropid[i] != PID_ILLEGAL)
755 hr = PropertyStorage_StoreNameWithId(This, (LPCSTR)rglpwstrName[i],
756 CP_UNICODE, rgpropid[i]);
757 }
758 if (This->grfFlags & PROPSETFLAG_UNBUFFERED)
759 IPropertyStorage_Commit(iface, STGC_DEFAULT);
760 LeaveCriticalSection(&This->cs);
761 return hr;
762 }
763
764 /************************************************************************
765 * IPropertyStorage_fnDeletePropertyNames (IPropertyStorage)
766 */
767 static HRESULT WINAPI IPropertyStorage_fnDeletePropertyNames(
768 IPropertyStorage* iface,
769 ULONG cpropid,
770 const PROPID rgpropid[])
771 {
772 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
773 ULONG i;
774 HRESULT hr;
775
776 TRACE("(%p, %d, %p)\n", iface, cpropid, rgpropid);
777
778 if (cpropid && !rgpropid)
779 return E_INVALIDARG;
780 if (!(This->grfMode & STGM_READWRITE))
781 return STG_E_ACCESSDENIED;
782 hr = S_OK;
783 EnterCriticalSection(&This->cs);
784 This->dirty = TRUE;
785 for (i = 0; i < cpropid; i++)
786 {
787 LPWSTR name = NULL;
788
789 if (dictionary_find(This->propid_to_name, UlongToPtr(rgpropid[i]), (void **)&name))
790 {
791 dictionary_remove(This->propid_to_name, UlongToPtr(rgpropid[i]));
792 dictionary_remove(This->name_to_propid, name);
793 }
794 }
795 if (This->grfFlags & PROPSETFLAG_UNBUFFERED)
796 IPropertyStorage_Commit(iface, STGC_DEFAULT);
797 LeaveCriticalSection(&This->cs);
798 return hr;
799 }
800
801 /************************************************************************
802 * IPropertyStorage_fnCommit (IPropertyStorage)
803 */
804 static HRESULT WINAPI IPropertyStorage_fnCommit(
805 IPropertyStorage* iface,
806 DWORD grfCommitFlags)
807 {
808 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
809 HRESULT hr;
810
811 TRACE("(%p, 0x%08x)\n", iface, grfCommitFlags);
812
813 if (!(This->grfMode & STGM_READWRITE))
814 return STG_E_ACCESSDENIED;
815 EnterCriticalSection(&This->cs);
816 if (This->dirty)
817 hr = PropertyStorage_WriteToStream(This);
818 else
819 hr = S_OK;
820 LeaveCriticalSection(&This->cs);
821 return hr;
822 }
823
824 /************************************************************************
825 * IPropertyStorage_fnRevert (IPropertyStorage)
826 */
827 static HRESULT WINAPI IPropertyStorage_fnRevert(
828 IPropertyStorage* iface)
829 {
830 HRESULT hr;
831 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
832
833 TRACE("%p\n", iface);
834
835 EnterCriticalSection(&This->cs);
836 if (This->dirty)
837 {
838 PropertyStorage_DestroyDictionaries(This);
839 hr = PropertyStorage_CreateDictionaries(This);
840 if (SUCCEEDED(hr))
841 hr = PropertyStorage_ReadFromStream(This);
842 }
843 else
844 hr = S_OK;
845 LeaveCriticalSection(&This->cs);
846 return hr;
847 }
848
849 /************************************************************************
850 * IPropertyStorage_fnEnum (IPropertyStorage)
851 */
852 static HRESULT WINAPI IPropertyStorage_fnEnum(
853 IPropertyStorage* iface,
854 IEnumSTATPROPSTG** ppenum)
855 {
856 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
857 return create_EnumSTATPROPSTG(This, ppenum);
858 }
859
860 /************************************************************************
861 * IPropertyStorage_fnSetTimes (IPropertyStorage)
862 */
863 static HRESULT WINAPI IPropertyStorage_fnSetTimes(
864 IPropertyStorage* iface,
865 const FILETIME* pctime,
866 const FILETIME* patime,
867 const FILETIME* pmtime)
868 {
869 FIXME("\n");
870 return E_NOTIMPL;
871 }
872
873 /************************************************************************
874 * IPropertyStorage_fnSetClass (IPropertyStorage)
875 */
876 static HRESULT WINAPI IPropertyStorage_fnSetClass(
877 IPropertyStorage* iface,
878 REFCLSID clsid)
879 {
880 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
881
882 TRACE("%p, %s\n", iface, debugstr_guid(clsid));
883
884 if (!clsid)
885 return E_INVALIDARG;
886 if (!(This->grfMode & STGM_READWRITE))
887 return STG_E_ACCESSDENIED;
888 This->clsid = *clsid;
889 This->dirty = TRUE;
890 if (This->grfFlags & PROPSETFLAG_UNBUFFERED)
891 IPropertyStorage_Commit(iface, STGC_DEFAULT);
892 return S_OK;
893 }
894
895 /************************************************************************
896 * IPropertyStorage_fnStat (IPropertyStorage)
897 */
898 static HRESULT WINAPI IPropertyStorage_fnStat(
899 IPropertyStorage* iface,
900 STATPROPSETSTG* statpsstg)
901 {
902 PropertyStorage_impl *This = (PropertyStorage_impl *)iface;
903 STATSTG stat;
904 HRESULT hr;
905
906 TRACE("%p, %p\n", iface, statpsstg);
907
908 if (!statpsstg)
909 return E_INVALIDARG;
910
911 hr = IStream_Stat(This->stm, &stat, STATFLAG_NONAME);
912 if (SUCCEEDED(hr))
913 {
914 statpsstg->fmtid = This->fmtid;
915 statpsstg->clsid = This->clsid;
916 statpsstg->grfFlags = This->grfFlags;
917 statpsstg->mtime = stat.mtime;
918 statpsstg->ctime = stat.ctime;
919 statpsstg->atime = stat.atime;
920 statpsstg->dwOSVersion = This->originatorOS;
921 }
922 return hr;
923 }
924
925 static int PropertyStorage_PropNameCompare(const void *a, const void *b,
926 void *extra)
927 {
928 PropertyStorage_impl *This = extra;
929
930 if (This->codePage == CP_UNICODE)
931 {
932 TRACE("(%s, %s)\n", debugstr_w(a), debugstr_w(b));
933 if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE)
934 return lstrcmpW(a, b);
935 else
936 return lstrcmpiW(a, b);
937 }
938 else
939 {
940 TRACE("(%s, %s)\n", debugstr_a(a), debugstr_a(b));
941 if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE)
942 return lstrcmpA(a, b);
943 else
944 return lstrcmpiA(a, b);
945 }
946 }
947
948 static void PropertyStorage_PropNameDestroy(void *k, void *d, void *extra)
949 {
950 CoTaskMemFree(k);
951 }
952
953 static int PropertyStorage_PropCompare(const void *a, const void *b,
954 void *extra)
955 {
956 TRACE("(%d, %d)\n", PtrToUlong(a), PtrToUlong(b));
957 return PtrToUlong(a) - PtrToUlong(b);
958 }
959
960 static void PropertyStorage_PropertyDestroy(void *k, void *d, void *extra)
961 {
962 PropVariantClear(d);
963 HeapFree(GetProcessHeap(), 0, d);
964 }
965
966 #ifdef WORDS_BIGENDIAN
967 /* Swaps each character in str to or from little endian; assumes the conversion
968 * is symmetric, that is, that lendian16toh is equivalent to htole16.
969 */
970 static void PropertyStorage_ByteSwapString(LPWSTR str, size_t len)
971 {
972 DWORD i;
973
974 /* Swap characters to host order.
975 * FIXME: alignment?
976 */
977 for (i = 0; i < len; i++)
978 str[i] = lendian16toh(str[i]);
979 }
980 #else
981 #define PropertyStorage_ByteSwapString(s, l)
982 #endif
983
984 /* Reads the dictionary from the memory buffer beginning at ptr. Interprets
985 * the entries according to the values of This->codePage and This->locale.
986 * FIXME: there isn't any checking whether the read property extends past the
987 * end of the buffer.
988 */
989 static HRESULT PropertyStorage_ReadDictionary(PropertyStorage_impl *This,
990 BYTE *ptr)
991 {
992 DWORD numEntries, i;
993 HRESULT hr = S_OK;
994
995 assert(This->name_to_propid);
996 assert(This->propid_to_name);
997
998 StorageUtl_ReadDWord(ptr, 0, &numEntries);
999 TRACE("Reading %d entries:\n", numEntries);
1000 ptr += sizeof(DWORD);
1001 for (i = 0; SUCCEEDED(hr) && i < numEntries; i++)
1002 {
1003 PROPID propid;
1004 DWORD cbEntry;
1005
1006 StorageUtl_ReadDWord(ptr, 0, &propid);
1007 ptr += sizeof(PROPID);
1008 StorageUtl_ReadDWord(ptr, 0, &cbEntry);
1009 ptr += sizeof(DWORD);
1010 TRACE("Reading entry with ID 0x%08x, %d bytes\n", propid, cbEntry);
1011 /* Make sure the source string is NULL-terminated */
1012 if (This->codePage != CP_UNICODE)
1013 ptr[cbEntry - 1] = '\0';
1014 else
1015 *((LPWSTR)ptr + cbEntry / sizeof(WCHAR)) = '\0';
1016 hr = PropertyStorage_StoreNameWithId(This, (char*)ptr, This->codePage, propid);
1017 if (This->codePage == CP_UNICODE)
1018 {
1019 /* Unicode entries are padded to DWORD boundaries */
1020 if (cbEntry % sizeof(DWORD))
1021 ptr += sizeof(DWORD) - (cbEntry % sizeof(DWORD));
1022 }
1023 ptr += sizeof(DWORD) + cbEntry;
1024 }
1025 return hr;
1026 }
1027
1028 /* FIXME: there isn't any checking whether the read property extends past the
1029 * end of the buffer.
1030 */
1031 static HRESULT PropertyStorage_ReadProperty(PropertyStorage_impl *This,
1032 PROPVARIANT *prop, const BYTE *data)
1033 {
1034 HRESULT hr = S_OK;
1035
1036 assert(prop);
1037 assert(data);
1038 StorageUtl_ReadDWord(data, 0, (DWORD *)&prop->vt);
1039 data += sizeof(DWORD);
1040 switch (prop->vt)
1041 {
1042 case VT_EMPTY:
1043 case VT_NULL:
1044 break;
1045 case VT_I1:
1046 prop->u.cVal = *(const char *)data;
1047 TRACE("Read char 0x%x ('%c')\n", prop->u.cVal, prop->u.cVal);
1048 break;
1049 case VT_UI1:
1050 prop->u.bVal = *data;
1051 TRACE("Read byte 0x%x\n", prop->u.bVal);
1052 break;
1053 case VT_I2:
1054 StorageUtl_ReadWord(data, 0, (WORD*)&prop->u.iVal);
1055 TRACE("Read short %d\n", prop->u.iVal);
1056 break;
1057 case VT_UI2:
1058 StorageUtl_ReadWord(data, 0, &prop->u.uiVal);
1059 TRACE("Read ushort %d\n", prop->u.uiVal);
1060 break;
1061 case VT_INT:
1062 case VT_I4:
1063 StorageUtl_ReadDWord(data, 0, (DWORD*)&prop->u.lVal);
1064 TRACE("Read long %d\n", prop->u.lVal);
1065 break;
1066 case VT_UINT:
1067 case VT_UI4:
1068 StorageUtl_ReadDWord(data, 0, &prop->u.ulVal);
1069 TRACE("Read ulong %d\n", prop->u.ulVal);
1070 break;
1071 case VT_LPSTR:
1072 {
1073 DWORD count;
1074
1075 StorageUtl_ReadDWord(data, 0, &count);
1076 if (This->codePage == CP_UNICODE && count / 2)
1077 {
1078 WARN("Unicode string has odd number of bytes\n");
1079 hr = STG_E_INVALIDHEADER;
1080 }
1081 else
1082 {
1083 prop->u.pszVal = CoTaskMemAlloc(count);
1084 if (prop->u.pszVal)
1085 {
1086 memcpy(prop->u.pszVal, data + sizeof(DWORD), count);
1087 /* This is stored in the code page specified in This->codePage.
1088 * Don't convert it, the caller will just store it as-is.
1089 */
1090 if (This->codePage == CP_UNICODE)
1091 {
1092 /* Make sure it's NULL-terminated */
1093 prop->u.pszVal[count / sizeof(WCHAR) - 1] = '\0';
1094 TRACE("Read string value %s\n",
1095 debugstr_w(prop->u.pwszVal));
1096 }
1097 else
1098 {
1099 /* Make sure it's NULL-terminated */
1100 prop->u.pszVal[count - 1] = '\0';
1101 TRACE("Read string value %s\n", debugstr_a(prop->u.pszVal));
1102 }
1103 }
1104 else
1105 hr = STG_E_INSUFFICIENTMEMORY;
1106 }
1107 break;
1108 }
1109 case VT_LPWSTR:
1110 {
1111 DWORD count;
1112
1113 StorageUtl_ReadDWord(data, 0, &count);
1114 prop->u.pwszVal = CoTaskMemAlloc(count * sizeof(WCHAR));
1115 if (prop->u.pwszVal)
1116 {
1117 memcpy(prop->u.pwszVal, data + sizeof(DWORD),
1118 count * sizeof(WCHAR));
1119 /* make sure string is NULL-terminated */
1120 prop->u.pwszVal[count - 1] = '\0';
1121 PropertyStorage_ByteSwapString(prop->u.pwszVal, count);
1122 TRACE("Read string value %s\n", debugstr_w(prop->u.pwszVal));
1123 }
1124 else
1125 hr = STG_E_INSUFFICIENTMEMORY;
1126 break;
1127 }
1128 case VT_FILETIME:
1129 StorageUtl_ReadULargeInteger(data, 0,
1130 (ULARGE_INTEGER *)&prop->u.filetime);
1131 break;
1132 case VT_CF:
1133 {
1134 DWORD len = 0, tag = 0;
1135
1136 StorageUtl_ReadDWord(data, 0, &len);
1137 StorageUtl_ReadDWord(data, 4, &tag);
1138 if (len > 8)
1139 {
1140 len -= 8;
1141 prop->u.pclipdata = CoTaskMemAlloc(sizeof (CLIPDATA));
1142 prop->u.pclipdata->cbSize = len;
1143 prop->u.pclipdata->ulClipFmt = tag;
1144 prop->u.pclipdata->pClipData = CoTaskMemAlloc(len - sizeof(prop->u.pclipdata->ulClipFmt));
1145 memcpy(prop->u.pclipdata->pClipData, data+8, len - sizeof(prop->u.pclipdata->ulClipFmt));
1146 }
1147 else
1148 hr = STG_E_INVALIDPARAMETER;
1149 }
1150 break;
1151 default:
1152 FIXME("unsupported type %d\n", prop->vt);
1153 hr = STG_E_INVALIDPARAMETER;
1154 }
1155 return hr;
1156 }
1157
1158 static HRESULT PropertyStorage_ReadHeaderFromStream(IStream *stm,
1159 PROPERTYSETHEADER *hdr)
1160 {
1161 BYTE buf[sizeof(PROPERTYSETHEADER)];
1162 ULONG count = 0;
1163 HRESULT hr;
1164
1165 assert(stm);
1166 assert(hdr);
1167 hr = IStream_Read(stm, buf, sizeof(buf), &count);
1168 if (SUCCEEDED(hr))
1169 {
1170 if (count != sizeof(buf))
1171 {
1172 WARN("read only %d\n", count);
1173 hr = STG_E_INVALIDHEADER;
1174 }
1175 else
1176 {
1177 StorageUtl_ReadWord(buf, offsetof(PROPERTYSETHEADER, wByteOrder),
1178 &hdr->wByteOrder);
1179 StorageUtl_ReadWord(buf, offsetof(PROPERTYSETHEADER, wFormat),
1180 &hdr->wFormat);
1181 StorageUtl_ReadDWord(buf, offsetof(PROPERTYSETHEADER, dwOSVer),
1182 &hdr->dwOSVer);
1183 StorageUtl_ReadGUID(buf, offsetof(PROPERTYSETHEADER, clsid),
1184 &hdr->clsid);
1185 StorageUtl_ReadDWord(buf, offsetof(PROPERTYSETHEADER, reserved),
1186 &hdr->reserved);
1187 }
1188 }
1189 TRACE("returning 0x%08x\n", hr);
1190 return hr;
1191 }
1192
1193 static HRESULT PropertyStorage_ReadFmtIdOffsetFromStream(IStream *stm,
1194 FORMATIDOFFSET *fmt)
1195 {
1196 BYTE buf[sizeof(FORMATIDOFFSET)];
1197 ULONG count = 0;
1198 HRESULT hr;
1199
1200 assert(stm);
1201 assert(fmt);
1202 hr = IStream_Read(stm, buf, sizeof(buf), &count);
1203 if (SUCCEEDED(hr))
1204 {
1205 if (count != sizeof(buf))
1206 {
1207 WARN("read only %d\n", count);
1208 hr = STG_E_INVALIDHEADER;
1209 }
1210 else
1211 {
1212 StorageUtl_ReadGUID(buf, offsetof(FORMATIDOFFSET, fmtid),
1213 &fmt->fmtid);
1214 StorageUtl_ReadDWord(buf, offsetof(FORMATIDOFFSET, dwOffset),
1215 &fmt->dwOffset);
1216 }
1217 }
1218 TRACE("returning 0x%08x\n", hr);
1219 return hr;
1220 }
1221
1222 static HRESULT PropertyStorage_ReadSectionHeaderFromStream(IStream *stm,
1223 PROPERTYSECTIONHEADER *hdr)
1224 {
1225 BYTE buf[sizeof(PROPERTYSECTIONHEADER)];
1226 ULONG count = 0;
1227 HRESULT hr;
1228
1229 assert(stm);
1230 assert(hdr);
1231 hr = IStream_Read(stm, buf, sizeof(buf), &count);
1232 if (SUCCEEDED(hr))
1233 {
1234 if (count != sizeof(buf))
1235 {
1236 WARN("read only %d\n", count);
1237 hr = STG_E_INVALIDHEADER;
1238 }
1239 else
1240 {
1241 StorageUtl_ReadDWord(buf, offsetof(PROPERTYSECTIONHEADER,
1242 cbSection), &hdr->cbSection);
1243 StorageUtl_ReadDWord(buf, offsetof(PROPERTYSECTIONHEADER,
1244 cProperties), &hdr->cProperties);
1245 }
1246 }
1247 TRACE("returning 0x%08x\n", hr);
1248 return hr;
1249 }
1250
1251 static HRESULT PropertyStorage_ReadFromStream(PropertyStorage_impl *This)
1252 {
1253 PROPERTYSETHEADER hdr;
1254 FORMATIDOFFSET fmtOffset;
1255 PROPERTYSECTIONHEADER sectionHdr;
1256 LARGE_INTEGER seek;
1257 ULONG i;
1258 STATSTG stat;
1259 HRESULT hr;
1260 BYTE *buf = NULL;
1261 ULONG count = 0;
1262 DWORD dictOffset = 0;
1263
1264 This->dirty = FALSE;
1265 This->highestProp = 0;
1266 hr = IStream_Stat(This->stm, &stat, STATFLAG_NONAME);
1267 if (FAILED(hr))
1268 goto end;
1269 if (stat.cbSize.u.HighPart)
1270 {
1271 WARN("stream too big\n");
1272 /* maximum size varies, but it can't be this big */
1273 hr = STG_E_INVALIDHEADER;
1274 goto end;
1275 }
1276 if (stat.cbSize.u.LowPart == 0)
1277 {
1278 /* empty stream is okay */
1279 hr = S_OK;
1280 goto end;
1281 }
1282 else if (stat.cbSize.u.LowPart < sizeof(PROPERTYSETHEADER) +
1283 sizeof(FORMATIDOFFSET))
1284 {
1285 WARN("stream too small\n");
1286 hr = STG_E_INVALIDHEADER;
1287 goto end;
1288 }
1289 seek.QuadPart = 0;
1290 hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL);
1291 if (FAILED(hr))
1292 goto end;
1293 hr = PropertyStorage_ReadHeaderFromStream(This->stm, &hdr);
1294 /* I've only seen reserved == 1, but the article says I shouldn't disallow
1295 * higher values.
1296 */
1297 if (hdr.wByteOrder != PROPSETHDR_BYTEORDER_MAGIC || hdr.reserved < 1)
1298 {
1299 WARN("bad magic in prop set header\n");
1300 hr = STG_E_INVALIDHEADER;
1301 goto end;
1302 }
1303 if (hdr.wFormat != 0 && hdr.wFormat != 1)
1304 {
1305 WARN("bad format version %d\n", hdr.wFormat);
1306 hr = STG_E_INVALIDHEADER;
1307 goto end;
1308 }
1309 This->format = hdr.wFormat;
1310 This->clsid = hdr.clsid;
1311 This->originatorOS = hdr.dwOSVer;
1312 if (PROPSETHDR_OSVER_KIND(hdr.dwOSVer) == PROPSETHDR_OSVER_KIND_MAC)
1313 WARN("File comes from a Mac, strings will probably be screwed up\n");
1314 hr = PropertyStorage_ReadFmtIdOffsetFromStream(This->stm, &fmtOffset);
1315 if (FAILED(hr))
1316 goto end;
1317 if (!IsEqualGUID(&fmtOffset.fmtid, &FMTID_DocSummaryInformation) &&
1318 !IsEqualGUID(&fmtOffset.fmtid, &FMTID_SummaryInformation))
1319 {
1320 WARN("not reading unknown fmtid %s\n", debugstr_guid(&fmtOffset.fmtid));
1321 hr = S_FALSE;
1322 goto end;
1323 }
1324 if (fmtOffset.dwOffset > stat.cbSize.u.LowPart)
1325 {
1326 WARN("invalid offset %d (stream length is %d)\n", fmtOffset.dwOffset,
1327 stat.cbSize.u.LowPart);
1328 hr = STG_E_INVALIDHEADER;
1329 goto end;
1330 }
1331 /* wackiness alert: if the format ID is FMTID_DocSummaryInformation, there
1332 * follow not one, but two sections. The first is the standard properties
1333 * for the document summary information, and the second is user-defined
1334 * properties. This is the only case in which multiple sections are
1335 * allowed.
1336 * Reading the second stream isn't implemented yet.
1337 */
1338 hr = PropertyStorage_ReadSectionHeaderFromStream(This->stm, &sectionHdr);
1339 if (FAILED(hr))
1340 goto end;
1341 /* The section size includes the section header, so check it */
1342 if (sectionHdr.cbSection < sizeof(PROPERTYSECTIONHEADER))
1343 {
1344 WARN("section header too small, got %d\n", sectionHdr.cbSection);
1345 hr = STG_E_INVALIDHEADER;
1346 goto end;
1347 }
1348 buf = HeapAlloc(GetProcessHeap(), 0, sectionHdr.cbSection -
1349 sizeof(PROPERTYSECTIONHEADER));
1350 if (!buf)
1351 {
1352 hr = STG_E_INSUFFICIENTMEMORY;
1353 goto end;
1354 }
1355 hr = IStream_Read(This->stm, buf, sectionHdr.cbSection -
1356 sizeof(PROPERTYSECTIONHEADER), &count);
1357 if (FAILED(hr))
1358 goto end;
1359 TRACE("Reading %d properties:\n", sectionHdr.cProperties);
1360 for (i = 0; SUCCEEDED(hr) && i < sectionHdr.cProperties; i++)
1361 {
1362 PROPERTYIDOFFSET *idOffset = (PROPERTYIDOFFSET *)(buf +
1363 i * sizeof(PROPERTYIDOFFSET));
1364
1365 if (idOffset->dwOffset < sizeof(PROPERTYSECTIONHEADER) ||
1366 idOffset->dwOffset >= sectionHdr.cbSection - sizeof(DWORD))
1367 hr = STG_E_INVALIDPOINTER;
1368 else
1369 {
1370 if (idOffset->propid >= PID_FIRST_USABLE &&
1371 idOffset->propid < PID_MIN_READONLY && idOffset->propid >
1372 This->highestProp)
1373 This->highestProp = idOffset->propid;
1374 if (idOffset->propid == PID_DICTIONARY)
1375 {
1376 /* Don't read the dictionary yet, its entries depend on the
1377 * code page. Just store the offset so we know to read it
1378 * later.
1379 */
1380 dictOffset = idOffset->dwOffset;
1381 TRACE("Dictionary offset is %d\n", dictOffset);
1382 }
1383 else
1384 {
1385 PROPVARIANT prop;
1386
1387 PropVariantInit(&prop);
1388 if (SUCCEEDED(PropertyStorage_ReadProperty(This, &prop,
1389 buf + idOffset->dwOffset - sizeof(PROPERTYSECTIONHEADER))))
1390 {
1391 TRACE("Read property with ID 0x%08x, type %d\n",
1392 idOffset->propid, prop.vt);
1393 switch(idOffset->propid)
1394 {
1395 case PID_CODEPAGE:
1396 if (prop.vt == VT_I2)
1397 This->codePage = (UINT)prop.u.iVal;
1398 break;
1399 case PID_LOCALE:
1400 if (prop.vt == VT_I4)
1401 This->locale = (LCID)prop.u.lVal;
1402 break;
1403 case PID_BEHAVIOR:
1404 if (prop.vt == VT_I4 && prop.u.lVal)
1405 This->grfFlags |= PROPSETFLAG_CASE_SENSITIVE;
1406 /* The format should already be 1, but just in case */
1407 This->format = 1;
1408 break;
1409 default:
1410 hr = PropertyStorage_StorePropWithId(This,
1411 idOffset->propid, &prop, This->codePage);
1412 }
1413 }
1414 PropVariantClear(&prop);
1415 }
1416 }
1417 }
1418 if (!This->codePage)
1419 {
1420 /* default to Unicode unless told not to, as specified on msdn */
1421 if (This->grfFlags & PROPSETFLAG_ANSI)
1422 This->codePage = GetACP();
1423 else
1424 This->codePage = CP_UNICODE;
1425 }
1426 if (!This->locale)
1427 This->locale = LOCALE_SYSTEM_DEFAULT;
1428 TRACE("Code page is %d, locale is %d\n", This->codePage, This->locale);
1429 if (dictOffset)
1430 hr = PropertyStorage_ReadDictionary(This,
1431 buf + dictOffset - sizeof(PROPERTYSECTIONHEADER));
1432
1433 end:
1434 HeapFree(GetProcessHeap(), 0, buf);
1435 if (FAILED(hr))
1436 {
1437 dictionary_destroy(This->name_to_propid);
1438 This->name_to_propid = NULL;
1439 dictionary_destroy(This->propid_to_name);
1440 This->propid_to_name = NULL;
1441 dictionary_destroy(This->propid_to_prop);
1442 This->propid_to_prop = NULL;
1443 }
1444 return hr;
1445 }
1446
1447 static void PropertyStorage_MakeHeader(PropertyStorage_impl *This,
1448 PROPERTYSETHEADER *hdr)
1449 {
1450 assert(hdr);
1451 StorageUtl_WriteWord((BYTE *)&hdr->wByteOrder, 0,
1452 PROPSETHDR_BYTEORDER_MAGIC);
1453 StorageUtl_WriteWord((BYTE *)&hdr->wFormat, 0, This->format);
1454 StorageUtl_WriteDWord((BYTE *)&hdr->dwOSVer, 0, This->originatorOS);
1455 StorageUtl_WriteGUID((BYTE *)&hdr->clsid, 0, &This->clsid);
1456 StorageUtl_WriteDWord((BYTE *)&hdr->reserved, 0, 1);
1457 }
1458
1459 static void PropertyStorage_MakeFmtIdOffset(PropertyStorage_impl *This,
1460 FORMATIDOFFSET *fmtOffset)
1461 {
1462 assert(fmtOffset);
1463 StorageUtl_WriteGUID((BYTE *)fmtOffset, 0, &This->fmtid);
1464 StorageUtl_WriteDWord((BYTE *)fmtOffset, offsetof(FORMATIDOFFSET, dwOffset),
1465 sizeof(PROPERTYSETHEADER) + sizeof(FORMATIDOFFSET));
1466 }
1467
1468 static void PropertyStorage_MakeSectionHdr(DWORD cbSection, DWORD numProps,
1469 PROPERTYSECTIONHEADER *hdr)
1470 {
1471 assert(hdr);
1472 StorageUtl_WriteDWord((BYTE *)hdr, 0, cbSection);
1473 StorageUtl_WriteDWord((BYTE *)hdr,
1474 offsetof(PROPERTYSECTIONHEADER, cProperties), numProps);
1475 }
1476
1477 static void PropertyStorage_MakePropertyIdOffset(DWORD propid, DWORD dwOffset,
1478 PROPERTYIDOFFSET *propIdOffset)
1479 {
1480 assert(propIdOffset);
1481 StorageUtl_WriteDWord((BYTE *)propIdOffset, 0, propid);
1482 StorageUtl_WriteDWord((BYTE *)propIdOffset,
1483 offsetof(PROPERTYIDOFFSET, dwOffset), dwOffset);
1484 }
1485
1486 static inline HRESULT PropertStorage_WriteWStringToStream(IStream *stm,
1487 LPCWSTR str, DWORD len, DWORD *written)
1488 {
1489 #ifdef WORDS_BIGENDIAN
1490 WCHAR *leStr = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1491 HRESULT hr;
1492
1493 if (!leStr)
1494 return E_OUTOFMEMORY;
1495 memcpy(leStr, str, len * sizeof(WCHAR));
1496 PropertyStorage_ByteSwapString(leStr, len);
1497 hr = IStream_Write(stm, leStr, len, written);
1498 HeapFree(GetProcessHeap(), 0, leStr);
1499 return hr;
1500 #else
1501 return IStream_Write(stm, str, len, written);
1502 #endif
1503 }
1504
1505 struct DictionaryClosure
1506 {
1507 HRESULT hr;
1508 DWORD bytesWritten;
1509 };
1510
1511 static BOOL PropertyStorage_DictionaryWriter(const void *key,
1512 const void *value, void *extra, void *closure)
1513 {
1514 PropertyStorage_impl *This = extra;
1515 struct DictionaryClosure *c = closure;
1516 DWORD propid;
1517 ULONG count;
1518
1519 assert(key);
1520 assert(closure);
1521 StorageUtl_WriteDWord((LPBYTE)&propid, 0, PtrToUlong(value));
1522 c->hr = IStream_Write(This->stm, &propid, sizeof(propid), &count);
1523 if (FAILED(c->hr))
1524 goto end;
1525 c->bytesWritten += sizeof(DWORD);
1526 if (This->codePage == CP_UNICODE)
1527 {
1528 DWORD keyLen, pad = 0;
1529
1530 StorageUtl_WriteDWord((LPBYTE)&keyLen, 0,
1531 (lstrlenW((LPCWSTR)key) + 1) * sizeof(WCHAR));
1532 c->hr = IStream_Write(This->stm, &keyLen, sizeof(keyLen), &count);
1533 if (FAILED(c->hr))
1534 goto end;
1535 c->bytesWritten += sizeof(DWORD);
1536 c->hr = PropertStorage_WriteWStringToStream(This->stm, key, keyLen,
1537 &count);
1538 if (FAILED(c->hr))
1539 goto end;
1540 c->bytesWritten += keyLen * sizeof(WCHAR);
1541 if (keyLen % sizeof(DWORD))
1542 {
1543 c->hr = IStream_Write(This->stm, &pad,
1544 sizeof(DWORD) - keyLen % sizeof(DWORD), &count);
1545 if (FAILED(c->hr))
1546 goto end;
1547 c->bytesWritten += sizeof(DWORD) - keyLen % sizeof(DWORD);
1548 }
1549 }
1550 else
1551 {
1552 DWORD keyLen;
1553
1554 StorageUtl_WriteDWord((LPBYTE)&keyLen, 0, strlen((LPCSTR)key) + 1);
1555 c->hr = IStream_Write(This->stm, &keyLen, sizeof(keyLen), &count);
1556 if (FAILED(c->hr))
1557 goto end;
1558 c->bytesWritten += sizeof(DWORD);
1559 c->hr = IStream_Write(This->stm, key, keyLen, &count);
1560 if (FAILED(c->hr))
1561 goto end;
1562 c->bytesWritten += keyLen;
1563 }
1564 end:
1565 return SUCCEEDED(c->hr);
1566 }
1567
1568 #define SECTIONHEADER_OFFSET sizeof(PROPERTYSETHEADER) + sizeof(FORMATIDOFFSET)
1569
1570 /* Writes the dictionary to the stream. Assumes without checking that the
1571 * dictionary isn't empty.
1572 */
1573 static HRESULT PropertyStorage_WriteDictionaryToStream(
1574 PropertyStorage_impl *This, DWORD *sectionOffset)
1575 {
1576 HRESULT hr;
1577 LARGE_INTEGER seek;
1578 PROPERTYIDOFFSET propIdOffset;
1579 ULONG count;
1580 DWORD dwTemp;
1581 struct DictionaryClosure closure;
1582
1583 assert(sectionOffset);
1584
1585 /* The dictionary's always the first property written, so seek to its
1586 * spot.
1587 */
1588 seek.QuadPart = SECTIONHEADER_OFFSET + sizeof(PROPERTYSECTIONHEADER);
1589 hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL);
1590 if (FAILED(hr))
1591 goto end;
1592 PropertyStorage_MakePropertyIdOffset(PID_DICTIONARY, *sectionOffset,
1593 &propIdOffset);
1594 hr = IStream_Write(This->stm, &propIdOffset, sizeof(propIdOffset), &count);
1595 if (FAILED(hr))
1596 goto end;
1597
1598 seek.QuadPart = SECTIONHEADER_OFFSET + *sectionOffset;
1599 hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL);
1600 if (FAILED(hr))
1601 goto end;
1602 StorageUtl_WriteDWord((LPBYTE)&dwTemp, 0,
1603 dictionary_num_entries(This->name_to_propid));
1604 hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count);
1605 if (FAILED(hr))
1606 goto end;
1607 *sectionOffset += sizeof(dwTemp);
1608
1609 closure.hr = S_OK;
1610 closure.bytesWritten = 0;
1611 dictionary_enumerate(This->name_to_propid, PropertyStorage_DictionaryWriter,
1612 &closure);
1613 hr = closure.hr;
1614 if (FAILED(hr))
1615 goto end;
1616 *sectionOffset += closure.bytesWritten;
1617 if (closure.bytesWritten % sizeof(DWORD))
1618 {
1619 DWORD padding = sizeof(DWORD) - closure.bytesWritten % sizeof(DWORD);
1620 TRACE("adding %d bytes of padding\n", padding);
1621 *sectionOffset += padding;
1622 }
1623
1624 end:
1625 return hr;
1626 }
1627
1628 static HRESULT PropertyStorage_WritePropertyToStream(PropertyStorage_impl *This,
1629 DWORD propNum, DWORD propid, const PROPVARIANT *var, DWORD *sectionOffset)
1630 {
1631 HRESULT hr;
1632 LARGE_INTEGER seek;
1633 PROPERTYIDOFFSET propIdOffset;
1634 ULONG count;
1635 DWORD dwType, bytesWritten;
1636
1637 assert(var);
1638 assert(sectionOffset);
1639
1640 TRACE("%p, %d, 0x%08x, (%d), (%d)\n", This, propNum, propid, var->vt,
1641 *sectionOffset);
1642
1643 seek.QuadPart = SECTIONHEADER_OFFSET + sizeof(PROPERTYSECTIONHEADER) +
1644 propNum * sizeof(PROPERTYIDOFFSET);
1645 hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL);
1646 if (FAILED(hr))
1647 goto end;
1648 PropertyStorage_MakePropertyIdOffset(propid, *sectionOffset, &propIdOffset);
1649 hr = IStream_Write(This->stm, &propIdOffset, sizeof(propIdOffset), &count);
1650 if (FAILED(hr))
1651 goto end;
1652
1653 seek.QuadPart = SECTIONHEADER_OFFSET + *sectionOffset;
1654 hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL);
1655 if (FAILED(hr))
1656 goto end;
1657 StorageUtl_WriteDWord((LPBYTE)&dwType, 0, var->vt);
1658 hr = IStream_Write(This->stm, &dwType, sizeof(dwType), &count);
1659 if (FAILED(hr))
1660 goto end;
1661 *sectionOffset += sizeof(dwType);
1662
1663 switch (var->vt)
1664 {
1665 case VT_EMPTY:
1666 case VT_NULL:
1667 bytesWritten = 0;
1668 break;
1669 case VT_I1:
1670 case VT_UI1:
1671 hr = IStream_Write(This->stm, &var->u.cVal, sizeof(var->u.cVal),
1672 &count);
1673 bytesWritten = count;
1674 break;
1675 case VT_I2:
1676 case VT_UI2:
1677 {
1678 WORD wTemp;
1679
1680 StorageUtl_WriteWord((LPBYTE)&wTemp, 0, var->u.iVal);
1681 hr = IStream_Write(This->stm, &wTemp, sizeof(wTemp), &count);
1682 bytesWritten = count;
1683 break;
1684 }
1685 case VT_I4:
1686 case VT_UI4:
1687 {
1688 DWORD dwTemp;
1689
1690 StorageUtl_WriteDWord((LPBYTE)&dwTemp, 0, var->u.lVal);
1691 hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count);
1692 bytesWritten = count;
1693 break;
1694 }
1695 case VT_LPSTR:
1696 {
1697 DWORD len, dwTemp;
1698
1699 if (This->codePage == CP_UNICODE)
1700 len = (lstrlenW(var->u.pwszVal) + 1) * sizeof(WCHAR);
1701 else
1702 len = lstrlenA(var->u.pszVal) + 1;
1703 StorageUtl_WriteDWord((LPBYTE)&dwTemp, 0, len);
1704 hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count);
1705 if (FAILED(hr))
1706 goto end;
1707 hr = IStream_Write(This->stm, var->u.pszVal, len, &count);
1708 bytesWritten = count + sizeof(DWORD);
1709 break;
1710 }
1711 case VT_LPWSTR:
1712 {
1713 DWORD len = lstrlenW(var->u.pwszVal) + 1, dwTemp;
1714
1715 StorageUtl_WriteDWord((LPBYTE)&dwTemp, 0, len);
1716 hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count);
1717 if (FAILED(hr))
1718 goto end;
1719 hr = IStream_Write(This->stm, var->u.pwszVal, len * sizeof(WCHAR),
1720 &count);
1721 bytesWritten = count + sizeof(DWORD);
1722 break;
1723 }
1724 case VT_FILETIME:
1725 {
1726 FILETIME temp;
1727
1728 StorageUtl_WriteULargeInteger((BYTE *)&temp, 0,
1729 (const ULARGE_INTEGER *)&var->u.filetime);
1730 hr = IStream_Write(This->stm, &temp, sizeof(FILETIME), &count);
1731 bytesWritten = count;
1732 break;
1733 }
1734 case VT_CF:
1735 {
1736 DWORD cf_hdr[2], len;
1737
1738 len = var->u.pclipdata->cbSize;
1739 StorageUtl_WriteDWord((LPBYTE)&cf_hdr[0], 0, len + 8);
1740 StorageUtl_WriteDWord((LPBYTE)&cf_hdr[1], 0, var->u.pclipdata->ulClipFmt);
1741 hr = IStream_Write(This->stm, cf_hdr, sizeof(cf_hdr), &count);
1742 if (FAILED(hr))
1743 goto end;
1744 hr = IStream_Write(This->stm, var->u.pclipdata->pClipData,
1745 len - sizeof(var->u.pclipdata->ulClipFmt), &count);
1746 if (FAILED(hr))
1747 goto end;
1748 bytesWritten = count + sizeof cf_hdr;
1749 break;
1750 }
1751 default:
1752 FIXME("unsupported type: %d\n", var->vt);
1753 return STG_E_INVALIDPARAMETER;
1754 }
1755
1756 if (SUCCEEDED(hr))
1757 {
1758 *sectionOffset += bytesWritten;
1759 if (bytesWritten % sizeof(DWORD))
1760 {
1761 DWORD padding = sizeof(DWORD) - bytesWritten % sizeof(DWORD);
1762 TRACE("adding %d bytes of padding\n", padding);
1763 *sectionOffset += padding;
1764 }
1765 }
1766
1767 end:
1768 return hr;
1769 }
1770
1771 struct PropertyClosure
1772 {
1773 HRESULT hr;
1774 DWORD propNum;
1775 DWORD *sectionOffset;
1776 };
1777
1778 static BOOL PropertyStorage_PropertiesWriter(const void *key, const void *value,
1779 void *extra, void *closure)
1780 {
1781 PropertyStorage_impl *This = extra;
1782 struct PropertyClosure *c = closure;
1783
1784 assert(key);
1785 assert(value);
1786 assert(extra);
1787 assert(closure);
1788 c->hr = PropertyStorage_WritePropertyToStream(This, c->propNum++,
1789 PtrToUlong(key), value, c->sectionOffset);
1790 return SUCCEEDED(c->hr);
1791 }
1792
1793 static HRESULT PropertyStorage_WritePropertiesToStream(
1794 PropertyStorage_impl *This, DWORD startingPropNum, DWORD *sectionOffset)
1795 {
1796 struct PropertyClosure closure;
1797
1798 assert(sectionOffset);
1799 closure.hr = S_OK;
1800 closure.propNum = startingPropNum;
1801 closure.sectionOffset = sectionOffset;
1802 dictionary_enumerate(This->propid_to_prop, PropertyStorage_PropertiesWriter,
1803 &closure);
1804 return closure.hr;
1805 }
1806
1807 static HRESULT PropertyStorage_WriteHeadersToStream(PropertyStorage_impl *This)
1808 {
1809 HRESULT hr;
1810 ULONG count = 0;
1811 LARGE_INTEGER seek = { {0} };
1812 PROPERTYSETHEADER hdr;
1813 FORMATIDOFFSET fmtOffset;
1814
1815 hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL);
1816 if (FAILED(hr))
1817 goto end;
1818 PropertyStorage_MakeHeader(This, &hdr);
1819 hr = IStream_Write(This->stm, &hdr, sizeof(hdr), &count);
1820 if (FAILED(hr))
1821 goto end;
1822 if (count != sizeof(hdr))
1823 {
1824 hr = STG_E_WRITEFAULT;
1825 goto end;
1826 }
1827
1828 PropertyStorage_MakeFmtIdOffset(This, &fmtOffset);
1829 hr = IStream_Write(This->stm, &fmtOffset, sizeof(fmtOffset), &count);
1830 if (FAILED(hr))
1831 goto end;
1832 if (count != sizeof(fmtOffset))
1833 {
1834 hr = STG_E_WRITEFAULT;
1835 goto end;
1836 }
1837 hr = S_OK;
1838
1839 end:
1840 return hr;
1841 }
1842
1843 static HRESULT PropertyStorage_WriteToStream(PropertyStorage_impl *This)
1844 {
1845 PROPERTYSECTIONHEADER sectionHdr;
1846 HRESULT hr;
1847 ULONG count;
1848 LARGE_INTEGER seek;
1849 DWORD numProps, prop, sectionOffset, dwTemp;
1850 PROPVARIANT var;
1851
1852 PropertyStorage_WriteHeadersToStream(This);
1853
1854 /* Count properties. Always at least one property, the code page */
1855 numProps = 1;
1856 if (dictionary_num_entries(This->name_to_propid))
1857 numProps++;
1858 if (This->locale != LOCALE_SYSTEM_DEFAULT)
1859 numProps++;
1860 if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE)
1861 numProps++;
1862 numProps += dictionary_num_entries(This->propid_to_prop);
1863
1864 /* Write section header with 0 bytes right now, I'll adjust it after
1865 * writing properties.
1866 */
1867 PropertyStorage_MakeSectionHdr(0, numProps, &sectionHdr);
1868 seek.QuadPart = SECTIONHEADER_OFFSET;
1869 hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL);
1870 if (FAILED(hr))
1871 goto end;
1872 hr = IStream_Write(This->stm, &sectionHdr, sizeof(sectionHdr), &count);
1873 if (FAILED(hr))
1874 goto end;
1875
1876 prop = 0;
1877 sectionOffset = sizeof(PROPERTYSECTIONHEADER) +
1878 numProps * sizeof(PROPERTYIDOFFSET);
1879
1880 if (dictionary_num_entries(This->name_to_propid))
1881 {
1882 prop++;
1883 hr = PropertyStorage_WriteDictionaryToStream(This, &sectionOffset);
1884 if (FAILED(hr))
1885 goto end;
1886 }
1887
1888 PropVariantInit(&var);
1889
1890 var.vt = VT_I2;
1891 var.u.iVal = This->codePage;
1892 hr = PropertyStorage_WritePropertyToStream(This, prop++, PID_CODEPAGE,
1893 &var, &sectionOffset);
1894 if (FAILED(hr))
1895 goto end;
1896
1897 if (This->locale != LOCALE_SYSTEM_DEFAULT)
1898 {
1899 var.vt = VT_I4;
1900 var.u.lVal = This->locale;
1901 hr = PropertyStorage_WritePropertyToStream(This, prop++, PID_LOCALE,
1902 &var, &sectionOffset);
1903 if (FAILED(hr))
1904 goto end;
1905 }
1906
1907 if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE)
1908 {
1909 var.vt = VT_I4;
1910 var.u.lVal = 1;
1911 hr = PropertyStorage_WritePropertyToStream(This, prop++, PID_BEHAVIOR,
1912 &var, &sectionOffset);
1913 if (FAILED(hr))
1914 goto end;
1915 }
1916
1917 hr = PropertyStorage_WritePropertiesToStream(This, prop, &sectionOffset);
1918 if (FAILED(hr))
1919 goto end;
1920
1921 /* Now write the byte count of the section */
1922 seek.QuadPart = SECTIONHEADER_OFFSET;
1923 hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL);
1924 if (FAILED(hr))
1925 goto end;
1926 StorageUtl_WriteDWord((LPBYTE)&dwTemp, 0, sectionOffset);
1927 hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count);
1928
1929 end:
1930 return hr;
1931 }
1932
1933 /***********************************************************************
1934 * PropertyStorage_Construct
1935 */
1936 static void PropertyStorage_DestroyDictionaries(PropertyStorage_impl *This)
1937 {
1938 dictionary_destroy(This->name_to_propid);
1939 This->name_to_propid = NULL;
1940 dictionary_destroy(This->propid_to_name);
1941 This->propid_to_name = NULL;
1942 dictionary_destroy(This->propid_to_prop);
1943 This->propid_to_prop = NULL;
1944 }
1945
1946 static HRESULT PropertyStorage_CreateDictionaries(PropertyStorage_impl *This)
1947 {
1948 HRESULT hr = S_OK;
1949
1950 This->name_to_propid = dictionary_create(
1951 PropertyStorage_PropNameCompare, PropertyStorage_PropNameDestroy,
1952 This);
1953 if (!This->name_to_propid)
1954 {
1955 hr = STG_E_INSUFFICIENTMEMORY;
1956 goto end;
1957 }
1958 This->propid_to_name = dictionary_create(PropertyStorage_PropCompare,
1959 NULL, This);
1960 if (!This->propid_to_name)
1961 {
1962 hr = STG_E_INSUFFICIENTMEMORY;
1963 goto end;
1964 }
1965 This->propid_to_prop = dictionary_create(PropertyStorage_PropCompare,
1966 PropertyStorage_PropertyDestroy, This);
1967 if (!This->propid_to_prop)
1968 {
1969 hr = STG_E_INSUFFICIENTMEMORY;
1970 goto end;
1971 }
1972 end:
1973 if (FAILED(hr))
1974 PropertyStorage_DestroyDictionaries(This);
1975 return hr;
1976 }
1977
1978 static HRESULT PropertyStorage_BaseConstruct(IStream *stm,
1979 REFFMTID rfmtid, DWORD grfMode, PropertyStorage_impl **pps)
1980 {
1981 HRESULT hr = S_OK;
1982
1983 assert(pps);
1984 assert(rfmtid);
1985 *pps = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof **pps);
1986 if (!*pps)
1987 return E_OUTOFMEMORY;
1988
1989 (*pps)->vtbl = &IPropertyStorage_Vtbl;
1990 (*pps)->ref = 1;
1991 InitializeCriticalSection(&(*pps)->cs);
1992 (*pps)->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PropertyStorage_impl.cs");
1993 (*pps)->stm = stm;
1994 (*pps)->fmtid = *rfmtid;
1995 (*pps)->grfMode = grfMode;
1996
1997 hr = PropertyStorage_CreateDictionaries(*pps);
1998 if (FAILED(hr))
1999 {
2000 IStream_Release(stm);
2001 (*pps)->cs.DebugInfo->Spare[0] = 0;
2002 DeleteCriticalSection(&(*pps)->cs);
2003 HeapFree(GetProcessHeap(), 0, *pps);
2004 *pps = NULL;
2005 }
2006
2007 return hr;
2008 }
2009
2010 static HRESULT PropertyStorage_ConstructFromStream(IStream *stm,
2011 REFFMTID rfmtid, DWORD grfMode, IPropertyStorage** pps)
2012 {
2013 PropertyStorage_impl *ps;
2014 HRESULT hr;
2015
2016 assert(pps);
2017 hr = PropertyStorage_BaseConstruct(stm, rfmtid, grfMode, &ps);
2018 if (SUCCEEDED(hr))
2019 {
2020 hr = PropertyStorage_ReadFromStream(ps);
2021 if (SUCCEEDED(hr))
2022 {
2023 *pps = (IPropertyStorage *)ps;
2024 TRACE("PropertyStorage %p constructed\n", ps);
2025 hr = S_OK;
2026 }
2027 else
2028 {
2029 PropertyStorage_DestroyDictionaries(ps);
2030 HeapFree(GetProcessHeap(), 0, ps);
2031 }
2032 }
2033 return hr;
2034 }
2035
2036 static HRESULT PropertyStorage_ConstructEmpty(IStream *stm,
2037 REFFMTID rfmtid, DWORD grfFlags, DWORD grfMode, IPropertyStorage** pps)
2038 {
2039 PropertyStorage_impl *ps;
2040 HRESULT hr;
2041
2042 assert(pps);
2043 hr = PropertyStorage_BaseConstruct(stm, rfmtid, grfMode, &ps);
2044 if (SUCCEEDED(hr))
2045 {
2046 ps->format = 0;
2047 ps->grfFlags = grfFlags;
2048 if (ps->grfFlags & PROPSETFLAG_CASE_SENSITIVE)
2049 ps->format = 1;
2050 /* default to Unicode unless told not to, as specified on msdn */
2051 if (ps->grfFlags & PROPSETFLAG_ANSI)
2052 ps->codePage = GetACP();
2053 else
2054 ps->codePage = CP_UNICODE;
2055 ps->locale = LOCALE_SYSTEM_DEFAULT;
2056 TRACE("Code page is %d, locale is %d\n", ps->codePage, ps->locale);
2057 *pps = (IPropertyStorage *)ps;
2058 TRACE("PropertyStorage %p constructed\n", ps);
2059 hr = S_OK;
2060 }
2061 return hr;
2062 }
2063
2064
2065 /***********************************************************************
2066 * Implementation of IPropertySetStorage
2067 */
2068
2069 /************************************************************************
2070 * IPropertySetStorage_fnQueryInterface (IUnknown)
2071 *
2072 * This method forwards to the common QueryInterface implementation
2073 */
2074 static HRESULT WINAPI IPropertySetStorage_fnQueryInterface(
2075 IPropertySetStorage *ppstg,
2076 REFIID riid,
2077 void** ppvObject)
2078 {
2079 StorageImpl *This = impl_from_IPropertySetStorage(ppstg);
2080 return IStorage_QueryInterface( (IStorage*)This, riid, ppvObject );
2081 }
2082
2083 /************************************************************************
2084 * IPropertySetStorage_fnAddRef (IUnknown)
2085 *
2086 * This method forwards to the common AddRef implementation
2087 */
2088 static ULONG WINAPI IPropertySetStorage_fnAddRef(
2089 IPropertySetStorage *ppstg)
2090 {
2091 StorageImpl *This = impl_from_IPropertySetStorage(ppstg);
2092 return IStorage_AddRef( (IStorage*)This );
2093 }
2094
2095 /************************************************************************
2096 * IPropertySetStorage_fnRelease (IUnknown)
2097 *
2098 * This method forwards to the common Release implementation
2099 */
2100 static ULONG WINAPI IPropertySetStorage_fnRelease(
2101 IPropertySetStorage *ppstg)
2102 {
2103 StorageImpl *This = impl_from_IPropertySetStorage(ppstg);
2104 return IStorage_Release( (IStorage*)This );
2105 }
2106
2107 /************************************************************************
2108 * IPropertySetStorage_fnCreate (IPropertySetStorage)
2109 */
2110 static HRESULT WINAPI IPropertySetStorage_fnCreate(
2111 IPropertySetStorage *ppstg,
2112 REFFMTID rfmtid,
2113 const CLSID* pclsid,
2114 DWORD grfFlags,
2115 DWORD grfMode,
2116 IPropertyStorage** ppprstg)
2117 {
2118 StorageImpl *This = impl_from_IPropertySetStorage(ppstg);
2119 WCHAR name[CCH_MAX_PROPSTG_NAME];
2120 IStream *stm = NULL;
2121 HRESULT r;
2122
2123 TRACE("%p %s %08x %08x %p\n", This, debugstr_guid(rfmtid), grfFlags,
2124 grfMode, ppprstg);
2125
2126 /* be picky */
2127 if (grfMode != (STGM_CREATE|STGM_READWRITE|STGM_SHARE_EXCLUSIVE))
2128 {
2129 r = STG_E_INVALIDFLAG;
2130 goto end;
2131 }
2132
2133 if (!rfmtid)
2134 {
2135 r = E_INVALIDARG;
2136 goto end;
2137 }
2138
2139 /* FIXME: if (grfFlags & PROPSETFLAG_NONSIMPLE), we need to create a
2140 * storage, not a stream. For now, disallow it.
2141 */
2142 if (grfFlags & PROPSETFLAG_NONSIMPLE)
2143 {
2144 FIXME("PROPSETFLAG_NONSIMPLE not supported\n");
2145 r = STG_E_INVALIDFLAG;
2146 goto end;
2147 }
2148
2149 r = FmtIdToPropStgName(rfmtid, name);
2150 if (FAILED(r))
2151 goto end;
2152
2153 r = IStorage_CreateStream( (IStorage*)This, name, grfMode, 0, 0, &stm );
2154 if (FAILED(r))
2155 goto end;
2156
2157 r = PropertyStorage_ConstructEmpty(stm, rfmtid, grfFlags, grfMode, ppprstg);
2158
2159 end:
2160 TRACE("returning 0x%08x\n", r);
2161 return r;
2162 }
2163
2164 /************************************************************************
2165 * IPropertySetStorage_fnOpen (IPropertySetStorage)
2166 */
2167 static HRESULT WINAPI IPropertySetStorage_fnOpen(
2168 IPropertySetStorage *ppstg,
2169 REFFMTID rfmtid,
2170 DWORD grfMode,
2171 IPropertyStorage** ppprstg)
2172 {
2173 StorageImpl *This = impl_from_IPropertySetStorage(ppstg);
2174 IStream *stm = NULL;
2175 WCHAR name[CCH_MAX_PROPSTG_NAME];
2176 HRESULT r;
2177
2178 TRACE("%p %s %08x %p\n", This, debugstr_guid(rfmtid), grfMode, ppprstg);
2179
2180 /* be picky */
2181 if (grfMode != (STGM_READWRITE|STGM_SHARE_EXCLUSIVE) &&
2182 grfMode != (STGM_READ|STGM_SHARE_EXCLUSIVE))
2183 {
2184 r = STG_E_INVALIDFLAG;
2185 goto end;
2186 }
2187
2188 if (!rfmtid)
2189 {
2190 r = E_INVALIDARG;
2191 goto end;
2192 }
2193
2194 r = FmtIdToPropStgName(rfmtid, name);
2195 if (FAILED(r))
2196 goto end;
2197
2198 r = IStorage_OpenStream((IStorage*) This, name, 0, grfMode, 0, &stm );
2199 if (FAILED(r))
2200 goto end;
2201
2202 r = PropertyStorage_ConstructFromStream(stm, rfmtid, grfMode, ppprstg);
2203
2204 end:
2205 TRACE("returning 0x%08x\n", r);
2206 return r;
2207 }
2208
2209 /************************************************************************
2210 * IPropertySetStorage_fnDelete (IPropertySetStorage)
2211 */
2212 static HRESULT WINAPI IPropertySetStorage_fnDelete(
2213 IPropertySetStorage *ppstg,
2214 REFFMTID rfmtid)
2215 {
2216 StorageImpl *This = impl_from_IPropertySetStorage(ppstg);
2217 IStorage *stg = NULL;
2218 WCHAR name[CCH_MAX_PROPSTG_NAME];
2219 HRESULT r;
2220
2221 TRACE("%p %s\n", This, debugstr_guid(rfmtid));
2222
2223 if (!rfmtid)
2224 return E_INVALIDARG;
2225
2226 r = FmtIdToPropStgName(rfmtid, name);
2227 if (FAILED(r))
2228 return r;
2229
2230 stg = (IStorage*) This;
2231 return IStorage_DestroyElement(stg, name);
2232 }
2233
2234 /************************************************************************
2235 * IPropertySetStorage_fnEnum (IPropertySetStorage)
2236 */
2237 static HRESULT WINAPI IPropertySetStorage_fnEnum(
2238 IPropertySetStorage *ppstg,
2239 IEnumSTATPROPSETSTG** ppenum)
2240 {
2241 StorageImpl *This = impl_from_IPropertySetStorage(ppstg);
2242 return create_EnumSTATPROPSETSTG(This, ppenum);
2243 }
2244
2245 /************************************************************************
2246 * Implement IEnumSTATPROPSETSTG using enumx
2247 */
2248 static HRESULT WINAPI IEnumSTATPROPSETSTG_fnQueryInterface(
2249 IEnumSTATPROPSETSTG *iface,
2250 REFIID riid,
2251 void** ppvObject)
2252 {
2253 return enumx_QueryInterface((enumx_impl*)iface, riid, ppvObject);
2254 }
2255
2256 static ULONG WINAPI IEnumSTATPROPSETSTG_fnAddRef(
2257 IEnumSTATPROPSETSTG *iface)
2258 {
2259 return enumx_AddRef((enumx_impl*)iface);
2260 }
2261
2262 static ULONG WINAPI IEnumSTATPROPSETSTG_fnRelease(
2263 IEnumSTATPROPSETSTG *iface)
2264 {
2265 return enumx_Release((enumx_impl*)iface);
2266 }
2267
2268 static HRESULT WINAPI IEnumSTATPROPSETSTG_fnNext(
2269 IEnumSTATPROPSETSTG *iface,
2270 ULONG celt,
2271 STATPROPSETSTG *rgelt,
2272 ULONG *pceltFetched)
2273 {
2274 return enumx_Next((enumx_impl*)iface, celt, rgelt, pceltFetched);
2275 }
2276
2277 static HRESULT WINAPI IEnumSTATPROPSETSTG_fnSkip(
2278 IEnumSTATPROPSETSTG *iface,
2279 ULONG celt)
2280 {
2281 return enumx_Skip((enumx_impl*)iface, celt);
2282 }
2283
2284 static HRESULT WINAPI IEnumSTATPROPSETSTG_fnReset(
2285 IEnumSTATPROPSETSTG *iface)
2286 {
2287 return enumx_Reset((enumx_impl*)iface);
2288 }
2289
2290 static HRESULT WINAPI IEnumSTATPROPSETSTG_fnClone(
2291 IEnumSTATPROPSETSTG *iface,
2292 IEnumSTATPROPSETSTG **ppenum)
2293 {
2294 return enumx_Clone((enumx_impl*)iface, (enumx_impl**)ppenum);
2295 }
2296
2297 static HRESULT create_EnumSTATPROPSETSTG(
2298 StorageImpl *This,
2299 IEnumSTATPROPSETSTG** ppenum)
2300 {
2301 IStorage *stg = (IStorage*) &This->base.lpVtbl;
2302 IEnumSTATSTG *penum = NULL;
2303 STATSTG stat;
2304 ULONG count;
2305 HRESULT r;
2306 STATPROPSETSTG statpss;
2307 enumx_impl *enumx;
2308
2309 TRACE("%p %p\n", This, ppenum);
2310
2311 enumx = enumx_allocate(&IID_IEnumSTATPROPSETSTG,
2312 &IEnumSTATPROPSETSTG_Vtbl,
2313 sizeof (STATPROPSETSTG));
2314
2315 /* add all the property set elements into a list */
2316 r = IStorage_EnumElements(stg, 0, NULL, 0, &penum);
2317 if (FAILED(r))
2318 return E_OUTOFMEMORY;
2319
2320 while (1)
2321 {
2322 count = 0;
2323 r = IEnumSTATSTG_Next(penum, 1, &stat, &count);
2324 if (FAILED(r))
2325 break;
2326 if (!count)
2327 break;
2328 if (!stat.pwcsName)
2329 continue;
2330 if (stat.pwcsName[0] == 5 && stat.type == STGTY_STREAM)
2331 {
2332 PropStgNameToFmtId(stat.pwcsName, &statpss.fmtid);
2333 TRACE("adding %s (%s)\n", debugstr_w(stat.pwcsName),
2334 debugstr_guid(&statpss.fmtid));
2335 statpss.mtime = stat.mtime;
2336 statpss.atime = stat.atime;
2337 statpss.ctime = stat.ctime;
2338 statpss.grfFlags = stat.grfMode;
2339 statpss.clsid = stat.clsid;
2340 enumx_add_element(enumx, &statpss);
2341 }
2342 CoTaskMemFree(stat.pwcsName);
2343 }
2344 IEnumSTATSTG_Release(penum);
2345
2346 *ppenum = (IEnumSTATPROPSETSTG*) enumx;
2347
2348 return S_OK;
2349 }
2350
2351 /************************************************************************
2352 * Implement IEnumSTATPROPSTG using enumx
2353 */
2354 static HRESULT WINAPI IEnumSTATPROPSTG_fnQueryInterface(
2355 IEnumSTATPROPSTG *iface,
2356 REFIID riid,
2357 void** ppvObject)
2358 {
2359 return enumx_QueryInterface((enumx_impl*)iface, riid, ppvObject);
2360 }
2361
2362 static ULONG WINAPI IEnumSTATPROPSTG_fnAddRef(
2363 IEnumSTATPROPSTG *iface)
2364 {
2365 return enumx_AddRef((enumx_impl*)iface);
2366 }
2367
2368 static ULONG WINAPI IEnumSTATPROPSTG_fnRelease(
2369 IEnumSTATPROPSTG *iface)
2370 {
2371 return enumx_Release((enumx_impl*)iface);
2372 }
2373
2374 static HRESULT WINAPI IEnumSTATPROPSTG_fnNext(
2375 IEnumSTATPROPSTG *iface,
2376 ULONG celt,
2377 STATPROPSTG *rgelt,
2378 ULONG *pceltFetched)
2379 {
2380 return enumx_Next((enumx_impl*)iface, celt, rgelt, pceltFetched);
2381 }
2382
2383 static HRESULT WINAPI IEnumSTATPROPSTG_fnSkip(
2384 IEnumSTATPROPSTG *iface,
2385 ULONG celt)
2386 {
2387 return enumx_Skip((enumx_impl*)iface, celt);
2388 }
2389
2390 static HRESULT WINAPI IEnumSTATPROPSTG_fnReset(
2391 IEnumSTATPROPSTG *iface)
2392 {
2393 return enumx_Reset((enumx_impl*)iface);
2394 }
2395
2396 static HRESULT WINAPI IEnumSTATPROPSTG_fnClone(
2397 IEnumSTATPROPSTG *iface,
2398 IEnumSTATPROPSTG **ppenum)
2399 {
2400 return enumx_Clone((enumx_impl*)iface, (enumx_impl**)ppenum);
2401 }
2402
2403 static BOOL prop_enum_stat(const void *k, const void *v, void *extra, void *arg)
2404 {
2405 enumx_impl *enumx = arg;
2406 PROPID propid = PtrToUlong(k);
2407 const PROPVARIANT *prop = v;
2408 STATPROPSTG stat;
2409
2410 stat.lpwstrName = NULL;
2411 stat.propid = propid;
2412 stat.vt = prop->vt;
2413
2414 enumx_add_element(enumx, &stat);
2415
2416 return TRUE;
2417 }
2418
2419 static HRESULT create_EnumSTATPROPSTG(
2420 PropertyStorage_impl *This,
2421 IEnumSTATPROPSTG** ppenum)
2422 {
2423 enumx_impl *enumx;
2424
2425 TRACE("%p %p\n", This, ppenum);
2426
2427 enumx = enumx_allocate(&IID_IEnumSTATPROPSTG,
2428 &IEnumSTATPROPSTG_Vtbl,
2429 sizeof (STATPROPSTG));
2430
2431 dictionary_enumerate(This->propid_to_prop, prop_enum_stat, enumx);
2432
2433 *ppenum = (IEnumSTATPROPSTG*) enumx;
2434
2435 return S_OK;
2436 }
2437
2438 /***********************************************************************
2439 * vtables
2440 */
2441 const IPropertySetStorageVtbl IPropertySetStorage_Vtbl =
2442 {
2443 IPropertySetStorage_fnQueryInterface,
2444 IPropertySetStorage_fnAddRef,
2445 IPropertySetStorage_fnRelease,
2446 IPropertySetStorage_fnCreate,
2447 IPropertySetStorage_fnOpen,
2448 IPropertySetStorage_fnDelete,
2449 IPropertySetStorage_fnEnum
2450 };
2451
2452 static const IPropertyStorageVtbl IPropertyStorage_Vtbl =
2453 {
2454 IPropertyStorage_fnQueryInterface,
2455 IPropertyStorage_fnAddRef,
2456 IPropertyStorage_fnRelease,
2457 IPropertyStorage_fnReadMultiple,
2458 IPropertyStorage_fnWriteMultiple,
2459 IPropertyStorage_fnDeleteMultiple,
2460 IPropertyStorage_fnReadPropertyNames,
2461 IPropertyStorage_fnWritePropertyNames,
2462 IPropertyStorage_fnDeletePropertyNames,
2463 IPropertyStorage_fnCommit,
2464 IPropertyStorage_fnRevert,
2465 IPropertyStorage_fnEnum,
2466 IPropertyStorage_fnSetTimes,
2467 IPropertyStorage_fnSetClass,
2468 IPropertyStorage_fnStat,
2469 };
2470
2471 static const IEnumSTATPROPSETSTGVtbl IEnumSTATPROPSETSTG_Vtbl =
2472 {
2473 IEnumSTATPROPSETSTG_fnQueryInterface,
2474 IEnumSTATPROPSETSTG_fnAddRef,
2475 IEnumSTATPROPSETSTG_fnRelease,
2476 IEnumSTATPROPSETSTG_fnNext,
2477 IEnumSTATPROPSETSTG_fnSkip,
2478 IEnumSTATPROPSETSTG_fnReset,
2479 IEnumSTATPROPSETSTG_fnClone,
2480 };
2481
2482 static const IEnumSTATPROPSTGVtbl IEnumSTATPROPSTG_Vtbl =
2483 {
2484 IEnumSTATPROPSTG_fnQueryInterface,
2485 IEnumSTATPROPSTG_fnAddRef,
2486 IEnumSTATPROPSTG_fnRelease,
2487 IEnumSTATPROPSTG_fnNext,
2488 IEnumSTATPROPSTG_fnSkip,
2489 IEnumSTATPROPSTG_fnReset,
2490 IEnumSTATPROPSTG_fnClone,
2491 };
2492
2493 /***********************************************************************
2494 * Format ID <-> name conversion
2495 */
2496 static const WCHAR szSummaryInfo[] = { 5,'S','u','m','m','a','r','y',
2497 'I','n','f','o','r','m','a','t','i','o','n',0 };
2498 static const WCHAR szDocSummaryInfo[] = { 5,'D','o','c','u','m','e','n','t',
2499 'S','u','m','m','a','r','y','I','n','f','o','r','m','a','t','i','o','n',0 };
2500
2501 #define BITS_PER_BYTE 8
2502 #define CHARMASK 0x1f
2503 #define BITS_IN_CHARMASK 5
2504 #define NUM_ALPHA_CHARS 26
2505
2506 /***********************************************************************
2507 * FmtIdToPropStgName [ole32.@]
2508 * Returns the storage name of the format ID rfmtid.
2509 * PARAMS
2510 * rfmtid [I] Format ID for which to return a storage name
2511 * str [O] Storage name associated with rfmtid.
2512 *
2513 * RETURNS
2514 * E_INVALIDARG if rfmtid or str i NULL, S_OK otherwise.
2515 *
2516 * NOTES
2517 * str must be at least CCH_MAX_PROPSTG_NAME characters in length.
2518 */
2519 HRESULT WINAPI FmtIdToPropStgName(const FMTID *rfmtid, LPOLESTR str)
2520 {
2521 static const char fmtMap[] = "abcdefghijklmnopqrstuvwxyz012345";
2522
2523 TRACE("%s, %p\n", debugstr_guid(rfmtid), str);
2524
2525 if (!rfmtid) return E_INVALIDARG;
2526 if (!str) return E_INVALIDARG;
2527
2528 if (IsEqualGUID(&FMTID_SummaryInformation, rfmtid))
2529 lstrcpyW(str, szSummaryInfo);
2530 else if (IsEqualGUID(&FMTID_DocSummaryInformation, rfmtid))
2531 lstrcpyW(str, szDocSummaryInfo);
2532 else if (IsEqualGUID(&FMTID_UserDefinedProperties, rfmtid))
2533 lstrcpyW(str, szDocSummaryInfo);
2534 else
2535 {
2536 const BYTE *fmtptr;
2537 WCHAR *pstr = str;
2538 ULONG bitsRemaining = BITS_PER_BYTE;
2539
2540 *pstr++ = 5;
2541 for (fmtptr = (const BYTE *)rfmtid; fmtptr < (const BYTE *)rfmtid + sizeof(FMTID); )
2542 {
2543 ULONG i = *fmtptr >> (BITS_PER_BYTE - bitsRemaining);
2544
2545 if (bitsRemaining >= BITS_IN_CHARMASK)
2546 {
2547 *pstr = (WCHAR)(fmtMap[i & CHARMASK]);
2548 if (bitsRemaining == BITS_PER_BYTE && *pstr >= 'a' &&
2549 *pstr <= 'z')
2550 *pstr += 'A' - 'a';
2551 pstr++;
2552 bitsRemaining -= BITS_IN_CHARMASK;
2553 if (bitsRemaining == 0)
2554 {
2555 fmtptr++;
2556 bitsRemaining = BITS_PER_BYTE;
2557 }
2558 }
2559 else
2560 {
2561 if (++fmtptr < (const BYTE *)rfmtid + sizeof(FMTID))
2562 i |= *fmtptr << bitsRemaining;
2563 *pstr++ = (WCHAR)(fmtMap[i & CHARMASK]);
2564 bitsRemaining += BITS_PER_BYTE - BITS_IN_CHARMASK;
2565 }
2566 }
2567 *pstr = 0;
2568 }
2569 TRACE("returning %s\n", debugstr_w(str));
2570 return S_OK;
2571 }
2572
2573 /***********************************************************************
2574 * PropStgNameToFmtId [ole32.@]
2575 * Returns the format ID corresponding to the given name.
2576 * PARAMS
2577 * str [I] Storage name to convert to a format ID.
2578 * rfmtid [O] Format ID corresponding to str.
2579 *
2580 * RETURNS
2581 * E_INVALIDARG if rfmtid or str is NULL or if str can't be converted to
2582 * a format ID, S_OK otherwise.
2583 */
2584 HRESULT WINAPI PropStgNameToFmtId(const LPOLESTR str, FMTID *rfmtid)
2585 {
2586 HRESULT hr = STG_E_INVALIDNAME;
2587
2588 TRACE("%s, %p\n", debugstr_w(str), rfmtid);
2589
2590 if (!rfmtid) return E_INVALIDARG;
2591 if (!str) return STG_E_INVALIDNAME;
2592
2593 if (!lstrcmpiW(str, szDocSummaryInfo))
2594 {
2595 *rfmtid = FMTID_DocSummaryInformation;
2596 hr = S_OK;
2597 }
2598 else if (!lstrcmpiW(str, szSummaryInfo))
2599 {
2600 *rfmtid = FMTID_SummaryInformation;
2601 hr = S_OK;
2602 }
2603 else
2604 {
2605 ULONG bits;
2606 BYTE *fmtptr = (BYTE *)rfmtid - 1;
2607 const WCHAR *pstr = str;
2608
2609 memset(rfmtid, 0, sizeof(*rfmtid));
2610 for (bits = 0; bits < sizeof(FMTID) * BITS_PER_BYTE;
2611 bits += BITS_IN_CHARMASK)
2612 {
2613 ULONG bitsUsed = bits % BITS_PER_BYTE, bitsStored;
2614 WCHAR wc;
2615
2616 if (bitsUsed == 0)
2617 fmtptr++;
2618 wc = *++pstr - 'A';
2619 if (wc > NUM_ALPHA_CHARS)
2620 {
2621 wc += 'A' - 'a';
2622 if (wc > NUM_ALPHA_CHARS)
2623 {
2624 wc += 'a' - '0' + NUM_ALPHA_CHARS;
2625 if (wc > CHARMASK)
2626 {
2627 WARN("invalid character (%d)\n", *pstr);
2628 goto end;
2629 }
2630 }
2631 }
2632 *fmtptr |= wc << bitsUsed;
2633 bitsStored = min(BITS_PER_BYTE - bitsUsed, BITS_IN_CHARMASK);
2634 if (bitsStored < BITS_IN_CHARMASK)
2635 {
2636 wc >>= BITS_PER_BYTE - bitsUsed;
2637 if (bits + bitsStored == sizeof(FMTID) * BITS_PER_BYTE)
2638 {
2639 if (wc != 0)
2640 {
2641 WARN("extra bits\n");
2642 goto end;
2643 }
2644 break;
2645 }
2646 fmtptr++;
2647 *fmtptr |= (BYTE)wc;
2648 }
2649 }
2650 hr = S_OK;
2651 }
2652 end:
2653 return hr;
2654 }
Maarten's multimedia branch