2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2008 James Hawkins
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.
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.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
36 #include "wine/debug.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
40 #define NUM_STORAGES_COLS 2
41 #define MAX_STORAGES_NAME_LEN 62
43 typedef struct tabSTORAGE
50 typedef struct tagMSISTORAGESVIEW
60 static BOOL storages_set_table_size(MSISTORAGESVIEW *sv, UINT size)
62 if (size >= sv->max_storages)
64 sv->max_storages *= 2;
65 sv->storages = msi_realloc(sv->storages, sv->max_storages * sizeof(STORAGE *));
73 static STORAGE *create_storage(MSISTORAGESVIEW *sv, LPWSTR name, IStorage *stg)
77 storage = msi_alloc(sizeof(STORAGE));
81 storage->name = strdupW(name);
88 storage->str_index = msi_addstringW(sv->db->strings, 0, storage->name, -1, 1, StringNonPersistent);
89 storage->storage = stg;
92 IStorage_AddRef(storage->storage);
97 static UINT STORAGES_fetch_int(struct tagMSIVIEW *view, UINT row, UINT col, UINT *val)
99 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
101 TRACE("(%p, %d, %d, %p)\n", view, row, col, val);
104 return ERROR_INVALID_PARAMETER;
106 if (row >= sv->num_rows)
107 return ERROR_NO_MORE_ITEMS;
109 *val = sv->storages[row]->str_index;
111 return ERROR_SUCCESS;
114 static UINT STORAGES_fetch_stream(struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
116 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
118 TRACE("(%p, %d, %d, %p)\n", view, row, col, stm);
120 if (row >= sv->num_rows)
121 return ERROR_FUNCTION_FAILED;
123 return ERROR_INVALID_DATA;
126 static UINT STORAGES_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
128 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
130 FIXME("%p %d %p\n", sv, row, rec);
132 return ERROR_CALL_NOT_IMPLEMENTED;
135 static HRESULT stream_to_storage(IStream *stm, IStorage **stg)
137 ILockBytes *lockbytes = NULL;
142 ULARGE_INTEGER offset;
144 hr = IStream_Stat(stm, &stat, STATFLAG_NONAME);
148 if (stat.cbSize.QuadPart >> 32)
150 ERR("Storage is too large\n");
154 size = stat.cbSize.QuadPart;
155 data = msi_alloc(size);
157 return E_OUTOFMEMORY;
159 hr = IStream_Read(stm, data, size, &read);
160 if (FAILED(hr) || read != size)
163 hr = CreateILockBytesOnHGlobal(NULL, TRUE, &lockbytes);
167 ZeroMemory(&offset, sizeof(ULARGE_INTEGER));
168 hr = ILockBytes_WriteAt(lockbytes, offset, data, size, &read);
169 if (FAILED(hr) || read != size)
172 hr = StgOpenStorageOnILockBytes(lockbytes, NULL,
173 STGM_READWRITE | STGM_SHARE_DENY_NONE,
180 if (lockbytes) ILockBytes_Release(lockbytes);
184 static UINT STORAGES_set_row(struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask)
186 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
187 IStorage *stg, *substg = NULL;
191 UINT r = ERROR_FUNCTION_FAILED;
193 TRACE("(%p, %p)\n", view, rec);
195 if (row > sv->num_rows)
196 return ERROR_FUNCTION_FAILED;
198 r = MSI_RecordGetIStream(rec, 2, &stm);
199 if (r != ERROR_SUCCESS)
202 r = stream_to_storage(stm, &stg);
203 if (r != ERROR_SUCCESS)
205 IStream_Release(stm);
209 name = strdupW(MSI_RecordGetString(rec, 1));
212 r = ERROR_OUTOFMEMORY;
216 hr = IStorage_CreateStorage(sv->db->storage, name,
217 STGM_WRITE | STGM_SHARE_EXCLUSIVE,
221 r = ERROR_FUNCTION_FAILED;
225 hr = IStorage_CopyTo(stg, 0, NULL, NULL, substg);
228 r = ERROR_FUNCTION_FAILED;
232 sv->storages[row] = create_storage(sv, name, stg);
233 if (!sv->storages[row])
234 r = ERROR_FUNCTION_FAILED;
239 if (substg) IStorage_Release(substg);
240 IStorage_Release(stg);
241 IStream_Release(stm);
246 static UINT STORAGES_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary)
248 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
250 if (!storages_set_table_size(sv, ++sv->num_rows))
251 return ERROR_FUNCTION_FAILED;
254 row = sv->num_rows - 1;
256 /* FIXME have to readjust rows */
258 return STORAGES_set_row(view, row, rec, 0);
261 static UINT STORAGES_delete_row(struct tagMSIVIEW *view, UINT row)
263 FIXME("(%p %d): stub!\n", view, row);
264 return ERROR_SUCCESS;
267 static UINT STORAGES_execute(struct tagMSIVIEW *view, MSIRECORD *record)
269 TRACE("(%p, %p)\n", view, record);
270 return ERROR_SUCCESS;
273 static UINT STORAGES_close(struct tagMSIVIEW *view)
275 TRACE("(%p)\n", view);
276 return ERROR_SUCCESS;
279 static UINT STORAGES_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
281 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
283 TRACE("(%p, %p, %p)\n", view, rows, cols);
285 if (cols) *cols = NUM_STORAGES_COLS;
286 if (rows) *rows = sv->num_rows;
288 return ERROR_SUCCESS;
291 static UINT STORAGES_get_column_info(struct tagMSIVIEW *view, UINT n,
292 LPWSTR *name, UINT *type, BOOL *temporary,
295 LPCWSTR name_ptr = NULL;
297 static const WCHAR Name[] = {'N','a','m','e',0};
298 static const WCHAR Data[] = {'D','a','t','a',0};
300 TRACE("(%p, %d, %p, %p, %p, %p)\n", view, n, name, type, temporary,
303 if (n == 0 || n > NUM_STORAGES_COLS)
304 return ERROR_INVALID_PARAMETER;
310 if (type) *type = MSITYPE_STRING | MAX_STORAGES_NAME_LEN;
315 if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MSITYPE_NULLABLE;
321 *name = strdupW(name_ptr);
322 if (!*name) return ERROR_FUNCTION_FAILED;
328 return ERROR_SUCCESS;
331 static UINT storages_find_row(MSISTORAGESVIEW *sv, MSIRECORD *rec, UINT *row)
336 str = MSI_RecordGetString(rec, 1);
337 msi_string2idW(sv->db->strings, str, &id);
339 for (i = 0; i < sv->num_rows; i++)
341 STORAGES_fetch_int(&sv->view, i, 1, &data);
346 return ERROR_SUCCESS;
350 return ERROR_FUNCTION_FAILED;
353 static UINT storages_modify_update(struct tagMSIVIEW *view, MSIRECORD *rec)
355 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
358 r = storages_find_row(sv, rec, &row);
359 if (r != ERROR_SUCCESS)
360 return ERROR_FUNCTION_FAILED;
362 return STORAGES_set_row(view, row, rec, 0);
365 static UINT storages_modify_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
367 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
370 r = storages_find_row(sv, rec, &row);
371 if (r == ERROR_SUCCESS)
372 return storages_modify_update(view, rec);
374 return STORAGES_insert_row(view, rec, -1, FALSE);
377 static UINT STORAGES_modify(struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
381 TRACE("%p %d %p\n", view, eModifyMode, rec);
385 case MSIMODIFY_ASSIGN:
386 r = storages_modify_assign(view, rec);
389 case MSIMODIFY_INSERT:
390 r = STORAGES_insert_row(view, rec, -1, FALSE);
393 case MSIMODIFY_UPDATE:
394 r = storages_modify_update(view, rec);
397 case MSIMODIFY_VALIDATE_NEW:
398 case MSIMODIFY_INSERT_TEMPORARY:
399 case MSIMODIFY_REFRESH:
400 case MSIMODIFY_REPLACE:
401 case MSIMODIFY_MERGE:
402 case MSIMODIFY_DELETE:
403 case MSIMODIFY_VALIDATE:
404 case MSIMODIFY_VALIDATE_FIELD:
405 case MSIMODIFY_VALIDATE_DELETE:
406 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
407 r = ERROR_CALL_NOT_IMPLEMENTED;
411 r = ERROR_INVALID_DATA;
417 static UINT STORAGES_delete(struct tagMSIVIEW *view)
419 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
422 TRACE("(%p)\n", view);
424 for (i = 0; i < sv->num_rows; i++)
426 if (sv->storages[i]->storage)
427 IStorage_Release(sv->storages[i]->storage);
429 msi_free(sv->storages[i]);
432 msi_free(sv->storages);
435 return ERROR_SUCCESS;
438 static UINT STORAGES_find_matching_rows(struct tagMSIVIEW *view, UINT col,
439 UINT val, UINT *row, MSIITERHANDLE *handle)
441 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
442 UINT index = (UINT)*handle;
444 TRACE("(%d, %d): %d\n", *row, col, val);
446 if (col == 0 || col > NUM_STORAGES_COLS)
447 return ERROR_INVALID_PARAMETER;
449 while (index < sv->num_rows)
451 if (sv->storages[index]->str_index == val)
460 *handle = (MSIITERHANDLE)++index;
461 if (index >= sv->num_rows)
462 return ERROR_NO_MORE_ITEMS;
464 return ERROR_SUCCESS;
467 static const MSIVIEWOPS storages_ops =
470 STORAGES_fetch_stream,
477 STORAGES_get_dimensions,
478 STORAGES_get_column_info,
481 STORAGES_find_matching_rows,
490 static INT add_storages_to_table(MSISTORAGESVIEW *sv)
492 STORAGE *storage = NULL;
493 IEnumSTATSTG *stgenum = NULL;
496 UINT count = 0, size;
498 hr = IStorage_EnumElements(sv->db->storage, 0, NULL, 0, &stgenum);
502 sv->max_storages = 1;
503 sv->storages = msi_alloc(sizeof(STORAGE *));
510 hr = IEnumSTATSTG_Next(stgenum, 1, &stat, &size);
511 if (FAILED(hr) || !size)
514 if (stat.type != STGTY_STORAGE)
516 CoTaskMemFree(stat.pwcsName);
520 TRACE("enumerated storage %s\n", debugstr_w(stat.pwcsName));
522 storage = create_storage(sv, stat.pwcsName, NULL);
526 CoTaskMemFree(stat.pwcsName);
530 IStorage_OpenStorage(sv->db->storage, stat.pwcsName, NULL,
531 STGM_READ | STGM_SHARE_EXCLUSIVE, NULL, 0,
533 CoTaskMemFree(stat.pwcsName);
535 if (!storages_set_table_size(sv, ++count))
541 sv->storages[count - 1] = storage;
544 IEnumSTATSTG_Release(stgenum);
548 UINT STORAGES_CreateView(MSIDATABASE *db, MSIVIEW **view)
553 TRACE("(%p, %p)\n", db, view);
555 sv = msi_alloc(sizeof(MSISTORAGESVIEW));
557 return ERROR_FUNCTION_FAILED;
559 sv->view.ops = &storages_ops;
562 rows = add_storages_to_table(sv);
566 return ERROR_FUNCTION_FAILED;
570 *view = (MSIVIEW *)sv;
572 return ERROR_SUCCESS;