2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2007 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
34 #include "wine/debug.h"
35 #include "wine/unicode.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
39 #define NUM_STREAMS_COLS 2
41 typedef struct tabSTREAM
47 typedef struct tagMSISTREAMSVIEW
57 static BOOL streams_set_table_size(MSISTREAMSVIEW *sv, UINT size)
59 if (size >= sv->max_streams)
62 sv->streams = msi_realloc_zero(sv->streams, sv->max_streams * sizeof(STREAM *));
70 static STREAM *create_stream(MSISTREAMSVIEW *sv, LPCWSTR name, BOOL encoded, IStream *stm)
73 WCHAR decoded[MAX_STREAM_NAME_LEN];
75 stream = msi_alloc(sizeof(STREAM));
81 decode_streamname(name, decoded);
82 TRACE("stream -> %s %s\n", debugstr_w(name), debugstr_w(decoded));
86 stream->str_index = msi_addstringW(sv->db->strings, name, -1, 1, StringNonPersistent);
91 static UINT STREAMS_fetch_int(struct tagMSIVIEW *view, UINT row, UINT col, UINT *val)
93 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
95 TRACE("(%p, %d, %d, %p)\n", view, row, col, val);
98 return ERROR_INVALID_PARAMETER;
100 if (row >= sv->num_rows)
101 return ERROR_NO_MORE_ITEMS;
103 *val = sv->streams[row]->str_index;
105 return ERROR_SUCCESS;
108 static UINT STREAMS_fetch_stream(struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
110 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
112 TRACE("(%p, %d, %d, %p)\n", view, row, col, stm);
114 if (row >= sv->num_rows)
115 return ERROR_FUNCTION_FAILED;
117 IStream_AddRef(sv->streams[row]->stream);
118 *stm = sv->streams[row]->stream;
120 return ERROR_SUCCESS;
123 static UINT STREAMS_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
125 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
127 TRACE("%p %d %p\n", sv, row, rec);
129 return msi_view_get_row( sv->db, view, row, rec );
132 static UINT STREAMS_set_row(struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask)
134 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
138 LPWSTR encname = NULL, name = NULL;
142 UINT r = ERROR_FUNCTION_FAILED;
144 TRACE("(%p, %d, %p, %08x)\n", view, row, rec, mask);
146 if (row > sv->num_rows)
147 return ERROR_FUNCTION_FAILED;
149 r = MSI_RecordGetIStream(rec, 2, &stm);
150 if (r != ERROR_SUCCESS)
153 hr = IStream_Stat(stm, &stat, STATFLAG_NONAME);
156 WARN("failed to stat stream: %08x\n", hr);
160 if (stat.cbSize.QuadPart >> 32)
162 WARN("stream too large\n");
166 data = msi_alloc(stat.cbSize.QuadPart);
170 hr = IStream_Read(stm, data, stat.cbSize.QuadPart, &count);
171 if (FAILED(hr) || count != stat.cbSize.QuadPart)
173 WARN("failed to read stream: %08x\n", hr);
177 name = strdupW(MSI_RecordGetString(rec, 1));
180 WARN("failed to retrieve stream name\n");
184 encname = encode_streamname(FALSE, name);
185 msi_destroy_stream(sv->db, encname);
187 r = write_stream_data(sv->db->storage, name, data, count, FALSE);
188 if (r != ERROR_SUCCESS)
190 WARN("failed to write stream data: %d\n", r);
194 stream = create_stream(sv, name, FALSE, NULL);
198 hr = IStorage_OpenStream(sv->db->storage, encname, 0,
199 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stream->stream);
202 WARN("failed to open stream: %08x\n", hr);
206 sv->streams[row] = stream;
213 IStream_Release(stm);
218 static UINT STREAMS_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary)
220 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
223 TRACE("(%p, %p, %d, %d)\n", view, rec, row, temporary);
225 if (!streams_set_table_size(sv, ++sv->num_rows))
226 return ERROR_FUNCTION_FAILED;
229 row = sv->num_rows - 1;
231 /* shift the rows to make room for the new row */
232 for (i = sv->num_rows - 1; i > row; i--)
234 sv->streams[i] = sv->streams[i - 1];
237 return STREAMS_set_row(view, row, rec, 0);
240 static UINT STREAMS_delete_row(struct tagMSIVIEW *view, UINT row)
242 FIXME("(%p %d): stub!\n", view, row);
243 return ERROR_SUCCESS;
246 static UINT STREAMS_execute(struct tagMSIVIEW *view, MSIRECORD *record)
248 TRACE("(%p, %p)\n", view, record);
249 return ERROR_SUCCESS;
252 static UINT STREAMS_close(struct tagMSIVIEW *view)
254 TRACE("(%p)\n", view);
255 return ERROR_SUCCESS;
258 static UINT STREAMS_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
260 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
262 TRACE("(%p, %p, %p)\n", view, rows, cols);
264 if (cols) *cols = NUM_STREAMS_COLS;
265 if (rows) *rows = sv->num_rows;
267 return ERROR_SUCCESS;
270 static UINT STREAMS_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
271 UINT *type, BOOL *temporary, LPCWSTR *table_name )
273 TRACE("(%p, %d, %p, %p, %p, %p)\n", view, n, name, type, temporary,
276 if (n == 0 || n > NUM_STREAMS_COLS)
277 return ERROR_INVALID_PARAMETER;
282 if (name) *name = szName;
283 if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MAX_STREAM_NAME_LEN;
287 if (name) *name = szData;
288 if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MSITYPE_NULLABLE;
291 if (table_name) *table_name = szStreams;
292 if (temporary) *temporary = FALSE;
293 return ERROR_SUCCESS;
296 static UINT streams_find_row(MSISTREAMSVIEW *sv, MSIRECORD *rec, UINT *row)
301 str = MSI_RecordGetString(rec, 1);
302 r = msi_string2idW(sv->db->strings, str, &id);
303 if (r != ERROR_SUCCESS)
306 for (i = 0; i < sv->num_rows; i++)
308 STREAMS_fetch_int(&sv->view, i, 1, &data);
313 return ERROR_SUCCESS;
317 return ERROR_FUNCTION_FAILED;
320 static UINT streams_modify_update(struct tagMSIVIEW *view, MSIRECORD *rec)
322 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
325 r = streams_find_row(sv, rec, &row);
326 if (r != ERROR_SUCCESS)
327 return ERROR_FUNCTION_FAILED;
329 return STREAMS_set_row(view, row, rec, 0);
332 static UINT streams_modify_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
334 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
337 r = streams_find_row(sv, rec, &row);
338 if (r == ERROR_SUCCESS)
339 return streams_modify_update(view, rec);
341 return STREAMS_insert_row(view, rec, -1, FALSE);
344 static UINT STREAMS_modify(struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
348 TRACE("%p %d %p\n", view, eModifyMode, rec);
352 case MSIMODIFY_ASSIGN:
353 r = streams_modify_assign(view, rec);
356 case MSIMODIFY_INSERT:
357 r = STREAMS_insert_row(view, rec, -1, FALSE);
360 case MSIMODIFY_UPDATE:
361 r = streams_modify_update(view, rec);
364 case MSIMODIFY_VALIDATE_NEW:
365 case MSIMODIFY_INSERT_TEMPORARY:
366 case MSIMODIFY_REFRESH:
367 case MSIMODIFY_REPLACE:
368 case MSIMODIFY_MERGE:
369 case MSIMODIFY_DELETE:
370 case MSIMODIFY_VALIDATE:
371 case MSIMODIFY_VALIDATE_FIELD:
372 case MSIMODIFY_VALIDATE_DELETE:
373 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
374 r = ERROR_CALL_NOT_IMPLEMENTED;
378 r = ERROR_INVALID_DATA;
384 static UINT STREAMS_delete(struct tagMSIVIEW *view)
386 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
389 TRACE("(%p)\n", view);
391 for (i = 0; i < sv->num_rows; i++)
395 if (sv->streams[i]->stream)
396 IStream_Release(sv->streams[i]->stream);
397 msi_free(sv->streams[i]);
401 msi_free(sv->streams);
404 return ERROR_SUCCESS;
407 static UINT STREAMS_find_matching_rows(struct tagMSIVIEW *view, UINT col,
408 UINT val, UINT *row, MSIITERHANDLE *handle)
410 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
411 UINT index = PtrToUlong(*handle);
413 TRACE("(%p, %d, %d, %p, %p)\n", view, col, val, row, handle);
415 if (col == 0 || col > NUM_STREAMS_COLS)
416 return ERROR_INVALID_PARAMETER;
418 while (index < sv->num_rows)
420 if (sv->streams[index]->str_index == val)
429 *handle = UlongToPtr(++index);
431 if (index > sv->num_rows)
432 return ERROR_NO_MORE_ITEMS;
434 return ERROR_SUCCESS;
437 static const MSIVIEWOPS streams_ops =
440 STREAMS_fetch_stream,
447 STREAMS_get_dimensions,
448 STREAMS_get_column_info,
451 STREAMS_find_matching_rows,
460 static INT add_streams_to_table(MSISTREAMSVIEW *sv)
462 IEnumSTATSTG *stgenum = NULL;
464 STREAM *stream = NULL;
466 UINT r, count = 0, size;
469 hr = IStorage_EnumElements(sv->db->storage, 0, NULL, 0, &stgenum);
474 sv->streams = msi_alloc_zero(sizeof(STREAM *));
481 hr = IEnumSTATSTG_Next(stgenum, 1, &stat, &size);
482 if (FAILED(hr) || !size)
485 if (stat.type != STGTY_STREAM)
487 CoTaskMemFree(stat.pwcsName);
491 /* table streams are not in the _Streams table */
492 if (*stat.pwcsName == 0x4840)
494 CoTaskMemFree(stat.pwcsName);
498 stream = create_stream(sv, stat.pwcsName, TRUE, NULL);
502 CoTaskMemFree(stat.pwcsName);
506 /* these streams appear to be unencoded */
507 if (*stat.pwcsName == 0x0005)
509 r = msi_get_raw_stream(sv->db, stat.pwcsName, &stream->stream);
513 encname = encode_streamname(FALSE, stat.pwcsName);
514 r = msi_get_raw_stream(sv->db, encname, &stream->stream);
517 CoTaskMemFree(stat.pwcsName);
519 if (r != ERROR_SUCCESS)
521 WARN("unable to get stream %u\n", r);
526 if (!streams_set_table_size(sv, ++count))
532 sv->streams[count - 1] = stream;
535 IEnumSTATSTG_Release(stgenum);
539 UINT STREAMS_CreateView(MSIDATABASE *db, MSIVIEW **view)
544 TRACE("(%p, %p)\n", db, view);
546 sv = msi_alloc_zero( sizeof(MSISTREAMSVIEW) );
548 return ERROR_FUNCTION_FAILED;
550 sv->view.ops = &streams_ops;
552 rows = add_streams_to_table(sv);
556 return ERROR_FUNCTION_FAILED;
560 *view = (MSIVIEW *)sv;
562 return ERROR_SUCCESS;