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;
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 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;
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 IStorage_Release(substg);
240 IStorage_Release(stg);
241 IStream_Release(stm);
246 static UINT STORAGES_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, BOOL temporary)
248 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
250 if (!storages_set_table_size(sv, ++sv->num_rows))
251 return ERROR_FUNCTION_FAILED;
253 return STORAGES_set_row(view, sv->num_rows - 1, rec, 0);
256 static UINT STORAGES_delete_row(struct tagMSIVIEW *view, UINT row)
258 FIXME("(%p %d): stub!\n", view, row);
259 return ERROR_SUCCESS;
262 static UINT STORAGES_execute(struct tagMSIVIEW *view, MSIRECORD *record)
264 TRACE("(%p, %p)\n", view, record);
265 return ERROR_SUCCESS;
268 static UINT STORAGES_close(struct tagMSIVIEW *view)
270 TRACE("(%p)\n", view);
271 return ERROR_SUCCESS;
274 static UINT STORAGES_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
276 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
278 TRACE("(%p, %p, %p)\n", view, rows, cols);
280 if (cols) *cols = NUM_STORAGES_COLS;
281 if (rows) *rows = sv->num_rows;
283 return ERROR_SUCCESS;
286 static UINT STORAGES_get_column_info(struct tagMSIVIEW *view,
287 UINT n, LPWSTR *name, UINT *type)
289 LPCWSTR name_ptr = NULL;
291 static const WCHAR Name[] = {'N','a','m','e',0};
292 static const WCHAR Data[] = {'D','a','t','a',0};
294 TRACE("(%p, %d, %p, %p)\n", view, n, name, type);
296 if (n == 0 || n > NUM_STORAGES_COLS)
297 return ERROR_INVALID_PARAMETER;
303 if (type) *type = MSITYPE_STRING | MAX_STORAGES_NAME_LEN;
308 if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MSITYPE_NULLABLE;
314 *name = strdupW(name_ptr);
315 if (!*name) return ERROR_FUNCTION_FAILED;
318 return ERROR_SUCCESS;
321 static UINT storages_find_row(MSISTORAGESVIEW *sv, MSIRECORD *rec, UINT *row)
326 str = MSI_RecordGetString(rec, 1);
327 msi_string2idW(sv->db->strings, str, &id);
329 for (i = 0; i < sv->num_rows; i++)
331 STORAGES_fetch_int(&sv->view, i, 1, &data);
336 return ERROR_SUCCESS;
340 return ERROR_FUNCTION_FAILED;
343 static UINT storages_modify_update(struct tagMSIVIEW *view, MSIRECORD *rec)
345 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
348 r = storages_find_row(sv, rec, &row);
349 if (r != ERROR_SUCCESS)
350 return ERROR_FUNCTION_FAILED;
352 return STORAGES_set_row(view, row, rec, 0);
355 static UINT storages_modify_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
357 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
360 r = storages_find_row(sv, rec, &row);
361 if (r == ERROR_SUCCESS)
362 return storages_modify_update(view, rec);
364 return STORAGES_insert_row(view, rec, FALSE);
367 static UINT STORAGES_modify(struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
371 TRACE("%p %d %p\n", view, eModifyMode, rec);
375 case MSIMODIFY_ASSIGN:
376 r = storages_modify_assign(view, rec);
379 case MSIMODIFY_INSERT:
380 r = STORAGES_insert_row(view, rec, FALSE);
383 case MSIMODIFY_UPDATE:
384 r = storages_modify_update(view, rec);
387 case MSIMODIFY_VALIDATE_NEW:
388 case MSIMODIFY_INSERT_TEMPORARY:
389 case MSIMODIFY_REFRESH:
390 case MSIMODIFY_REPLACE:
391 case MSIMODIFY_MERGE:
392 case MSIMODIFY_DELETE:
393 case MSIMODIFY_VALIDATE:
394 case MSIMODIFY_VALIDATE_FIELD:
395 case MSIMODIFY_VALIDATE_DELETE:
396 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
397 r = ERROR_CALL_NOT_IMPLEMENTED;
401 r = ERROR_INVALID_DATA;
407 static UINT STORAGES_delete(struct tagMSIVIEW *view)
409 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
412 TRACE("(%p)\n", view);
414 for (i = 0; i < sv->num_rows; i++)
416 if (sv->storages[i]->storage)
417 IStorage_Release(sv->storages[i]->storage);
419 msi_free(sv->storages[i]);
422 msi_free(sv->storages);
425 return ERROR_SUCCESS;
428 static UINT STORAGES_find_matching_rows(struct tagMSIVIEW *view, UINT col,
429 UINT val, UINT *row, MSIITERHANDLE *handle)
431 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
432 UINT index = (UINT)*handle;
434 TRACE("(%d, %d): %d\n", *row, col, val);
436 if (col == 0 || col > NUM_STORAGES_COLS)
437 return ERROR_INVALID_PARAMETER;
439 while (index < sv->num_rows)
441 if (sv->storages[index]->str_index == val)
450 *handle = (MSIITERHANDLE)++index;
451 if (index >= sv->num_rows)
452 return ERROR_NO_MORE_ITEMS;
454 return ERROR_SUCCESS;
457 static const MSIVIEWOPS storages_ops =
460 STORAGES_fetch_stream,
467 STORAGES_get_dimensions,
468 STORAGES_get_column_info,
471 STORAGES_find_matching_rows,
479 static INT add_storages_to_table(MSISTORAGESVIEW *sv)
481 STORAGE *storage = NULL;
482 IEnumSTATSTG *stgenum = NULL;
485 UINT count = 0, size;
487 hr = IStorage_EnumElements(sv->db->storage, 0, NULL, 0, &stgenum);
491 sv->max_storages = 1;
492 sv->storages = msi_alloc(sizeof(STORAGE *));
499 hr = IEnumSTATSTG_Next(stgenum, 1, &stat, &size);
500 if (FAILED(hr) || !size)
503 if (stat.type != STGTY_STORAGE)
505 CoTaskMemFree(stat.pwcsName);
509 TRACE("enumerated storage %s\n", debugstr_w(stat.pwcsName));
511 storage = create_storage(sv, stat.pwcsName, NULL);
515 CoTaskMemFree(stat.pwcsName);
519 IStorage_OpenStorage(sv->db->storage, stat.pwcsName, NULL,
520 STGM_READ | STGM_SHARE_EXCLUSIVE, NULL, 0,
522 CoTaskMemFree(stat.pwcsName);
524 if (!storages_set_table_size(sv, ++count))
530 sv->storages[count - 1] = storage;
533 IEnumSTATSTG_Release(stgenum);
537 UINT STORAGES_CreateView(MSIDATABASE *db, MSIVIEW **view)
542 TRACE("(%p, %p)\n", db, view);
544 sv = msi_alloc(sizeof(MSISTORAGESVIEW));
546 return ERROR_FUNCTION_FAILED;
548 sv->view.ops = &storages_ops;
551 rows = add_storages_to_table(sv);
553 return ERROR_FUNCTION_FAILED;
557 *view = (MSIVIEW *)sv;
559 return ERROR_SUCCESS;