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
49 typedef struct tagMSISTORAGESVIEW
59 static BOOL storages_set_table_size(MSISTORAGESVIEW *sv, UINT size)
61 if (size >= sv->max_storages)
63 sv->max_storages *= 2;
64 sv->storages = msi_realloc(sv->storages, sv->max_storages * sizeof(STORAGE *));
72 static STORAGE *create_storage(MSISTORAGESVIEW *sv, LPCWSTR name, IStorage *stg)
76 storage = msi_alloc(sizeof(STORAGE));
80 storage->str_index = msi_addstringW(sv->db->strings, name, -1, 1, StringNonPersistent);
81 storage->storage = stg;
84 IStorage_AddRef(storage->storage);
89 static UINT STORAGES_fetch_int(struct tagMSIVIEW *view, UINT row, UINT col, UINT *val)
91 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
93 TRACE("(%p, %d, %d, %p)\n", view, row, col, val);
96 return ERROR_INVALID_PARAMETER;
98 if (row >= sv->num_rows)
99 return ERROR_NO_MORE_ITEMS;
101 *val = sv->storages[row]->str_index;
103 return ERROR_SUCCESS;
106 static UINT STORAGES_fetch_stream(struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
108 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
110 TRACE("(%p, %d, %d, %p)\n", view, row, col, stm);
112 if (row >= sv->num_rows)
113 return ERROR_FUNCTION_FAILED;
115 return ERROR_INVALID_DATA;
118 static UINT STORAGES_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
120 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
122 FIXME("%p %d %p\n", sv, row, rec);
124 return ERROR_CALL_NOT_IMPLEMENTED;
127 static HRESULT stream_to_storage(IStream *stm, IStorage **stg)
129 ILockBytes *lockbytes = NULL;
134 ULARGE_INTEGER offset;
136 hr = IStream_Stat(stm, &stat, STATFLAG_NONAME);
140 if (stat.cbSize.QuadPart >> 32)
142 ERR("Storage is too large\n");
146 size = stat.cbSize.QuadPart;
147 data = msi_alloc(size);
149 return E_OUTOFMEMORY;
151 hr = IStream_Read(stm, data, size, &read);
152 if (FAILED(hr) || read != size)
155 hr = CreateILockBytesOnHGlobal(NULL, TRUE, &lockbytes);
159 ZeroMemory(&offset, sizeof(ULARGE_INTEGER));
160 hr = ILockBytes_WriteAt(lockbytes, offset, data, size, &read);
161 if (FAILED(hr) || read != size)
164 hr = StgOpenStorageOnILockBytes(lockbytes, NULL,
165 STGM_READWRITE | STGM_SHARE_DENY_NONE,
172 if (lockbytes) ILockBytes_Release(lockbytes);
176 static UINT STORAGES_set_row(struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask)
178 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
179 IStorage *stg, *substg = NULL;
183 UINT r = ERROR_FUNCTION_FAILED;
185 TRACE("(%p, %p)\n", view, rec);
187 if (row > sv->num_rows)
188 return ERROR_FUNCTION_FAILED;
190 r = MSI_RecordGetIStream(rec, 2, &stm);
191 if (r != ERROR_SUCCESS)
194 r = stream_to_storage(stm, &stg);
195 if (r != ERROR_SUCCESS)
197 IStream_Release(stm);
201 name = strdupW(MSI_RecordGetString(rec, 1));
204 r = ERROR_OUTOFMEMORY;
208 hr = IStorage_CreateStorage(sv->db->storage, name,
209 STGM_WRITE | STGM_SHARE_EXCLUSIVE,
213 r = ERROR_FUNCTION_FAILED;
217 hr = IStorage_CopyTo(stg, 0, NULL, NULL, substg);
220 r = ERROR_FUNCTION_FAILED;
224 sv->storages[row] = create_storage(sv, name, stg);
225 if (!sv->storages[row])
226 r = ERROR_FUNCTION_FAILED;
231 if (substg) IStorage_Release(substg);
232 IStorage_Release(stg);
233 IStream_Release(stm);
238 static UINT STORAGES_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary)
240 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
242 if (!storages_set_table_size(sv, ++sv->num_rows))
243 return ERROR_FUNCTION_FAILED;
246 row = sv->num_rows - 1;
248 /* FIXME have to readjust rows */
250 return STORAGES_set_row(view, row, rec, 0);
253 static UINT STORAGES_delete_row(struct tagMSIVIEW *view, UINT row)
255 FIXME("(%p %d): stub!\n", view, row);
256 return ERROR_SUCCESS;
259 static UINT STORAGES_execute(struct tagMSIVIEW *view, MSIRECORD *record)
261 TRACE("(%p, %p)\n", view, record);
262 return ERROR_SUCCESS;
265 static UINT STORAGES_close(struct tagMSIVIEW *view)
267 TRACE("(%p)\n", view);
268 return ERROR_SUCCESS;
271 static UINT STORAGES_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
273 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
275 TRACE("(%p, %p, %p)\n", view, rows, cols);
277 if (cols) *cols = NUM_STORAGES_COLS;
278 if (rows) *rows = sv->num_rows;
280 return ERROR_SUCCESS;
283 static UINT STORAGES_get_column_info(struct tagMSIVIEW *view, UINT n,
284 LPWSTR *name, UINT *type, BOOL *temporary,
287 LPCWSTR name_ptr = NULL;
289 static const WCHAR Name[] = {'N','a','m','e',0};
290 static const WCHAR Data[] = {'D','a','t','a',0};
291 static const WCHAR _Storages[] = {'_','S','t','o','r','a','g','e','s',0};
293 TRACE("(%p, %d, %p, %p, %p, %p)\n", view, n, name, type, temporary,
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;
320 *table_name = strdupW(_Storages);
324 return ERROR_FUNCTION_FAILED;
331 return ERROR_SUCCESS;
334 static UINT storages_find_row(MSISTORAGESVIEW *sv, MSIRECORD *rec, UINT *row)
339 str = MSI_RecordGetString(rec, 1);
340 r = msi_string2idW(sv->db->strings, str, &id);
341 if (r != ERROR_SUCCESS)
344 for (i = 0; i < sv->num_rows; i++)
346 STORAGES_fetch_int(&sv->view, i, 1, &data);
351 return ERROR_SUCCESS;
355 return ERROR_FUNCTION_FAILED;
358 static UINT storages_modify_update(struct tagMSIVIEW *view, MSIRECORD *rec)
360 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
363 r = storages_find_row(sv, rec, &row);
364 if (r != ERROR_SUCCESS)
365 return ERROR_FUNCTION_FAILED;
367 return STORAGES_set_row(view, row, rec, 0);
370 static UINT storages_modify_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
372 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
375 r = storages_find_row(sv, rec, &row);
376 if (r == ERROR_SUCCESS)
377 return storages_modify_update(view, rec);
379 return STORAGES_insert_row(view, rec, -1, FALSE);
382 static UINT STORAGES_modify(struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
386 TRACE("%p %d %p\n", view, eModifyMode, rec);
390 case MSIMODIFY_ASSIGN:
391 r = storages_modify_assign(view, rec);
394 case MSIMODIFY_INSERT:
395 r = STORAGES_insert_row(view, rec, -1, FALSE);
398 case MSIMODIFY_UPDATE:
399 r = storages_modify_update(view, rec);
402 case MSIMODIFY_VALIDATE_NEW:
403 case MSIMODIFY_INSERT_TEMPORARY:
404 case MSIMODIFY_REFRESH:
405 case MSIMODIFY_REPLACE:
406 case MSIMODIFY_MERGE:
407 case MSIMODIFY_DELETE:
408 case MSIMODIFY_VALIDATE:
409 case MSIMODIFY_VALIDATE_FIELD:
410 case MSIMODIFY_VALIDATE_DELETE:
411 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
412 r = ERROR_CALL_NOT_IMPLEMENTED;
416 r = ERROR_INVALID_DATA;
422 static UINT STORAGES_delete(struct tagMSIVIEW *view)
424 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
427 TRACE("(%p)\n", view);
429 for (i = 0; i < sv->num_rows; i++)
431 if (sv->storages[i]->storage)
432 IStorage_Release(sv->storages[i]->storage);
433 msi_free(sv->storages[i]);
436 msi_free(sv->storages);
440 return ERROR_SUCCESS;
443 static UINT STORAGES_find_matching_rows(struct tagMSIVIEW *view, UINT col,
444 UINT val, UINT *row, MSIITERHANDLE *handle)
446 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
447 UINT index = PtrToUlong(*handle);
449 TRACE("(%d, %d): %d\n", *row, col, val);
451 if (col == 0 || col > NUM_STORAGES_COLS)
452 return ERROR_INVALID_PARAMETER;
454 while (index < sv->num_rows)
456 if (sv->storages[index]->str_index == val)
465 *handle = UlongToPtr(++index);
466 if (index >= sv->num_rows)
467 return ERROR_NO_MORE_ITEMS;
469 return ERROR_SUCCESS;
472 static const MSIVIEWOPS storages_ops =
475 STORAGES_fetch_stream,
482 STORAGES_get_dimensions,
483 STORAGES_get_column_info,
486 STORAGES_find_matching_rows,
495 static INT add_storages_to_table(MSISTORAGESVIEW *sv)
497 STORAGE *storage = NULL;
498 IEnumSTATSTG *stgenum = NULL;
501 UINT count = 0, size;
503 hr = IStorage_EnumElements(sv->db->storage, 0, NULL, 0, &stgenum);
507 sv->max_storages = 1;
508 sv->storages = msi_alloc(sizeof(STORAGE *));
515 hr = IEnumSTATSTG_Next(stgenum, 1, &stat, &size);
516 if (FAILED(hr) || !size)
519 if (stat.type != STGTY_STORAGE)
521 CoTaskMemFree(stat.pwcsName);
525 TRACE("enumerated storage %s\n", debugstr_w(stat.pwcsName));
527 storage = create_storage(sv, stat.pwcsName, NULL);
531 CoTaskMemFree(stat.pwcsName);
535 IStorage_OpenStorage(sv->db->storage, stat.pwcsName, NULL,
536 STGM_READ | STGM_SHARE_EXCLUSIVE, NULL, 0,
538 CoTaskMemFree(stat.pwcsName);
540 if (!storages_set_table_size(sv, ++count))
546 sv->storages[count - 1] = storage;
549 IEnumSTATSTG_Release(stgenum);
553 UINT STORAGES_CreateView(MSIDATABASE *db, MSIVIEW **view)
558 TRACE("(%p, %p)\n", db, view);
560 sv = msi_alloc_zero( sizeof(MSISTORAGESVIEW) );
562 return ERROR_FUNCTION_FAILED;
564 sv->view.ops = &storages_ops;
567 rows = add_storages_to_table(sv);
571 return ERROR_FUNCTION_FAILED;
575 *view = (MSIVIEW *)sv;
577 return ERROR_SUCCESS;