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"
36 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
38 #define NUM_STREAMS_COLS 2
39 #define MAX_STREAM_NAME_LEN 62
41 typedef struct tabSTREAM
48 typedef struct tagMSISTREAMSVIEW
58 static BOOL streams_set_table_size(MSISTREAMSVIEW *sv, UINT size)
60 if (size >= sv->max_streams)
63 sv->streams = msi_realloc_zero(sv->streams, sv->max_streams * sizeof(STREAM *));
71 static STREAM *create_stream(MSISTREAMSVIEW *sv, LPWSTR name, BOOL encoded, IStream *stm)
74 WCHAR decoded[MAX_STREAM_NAME_LEN];
77 stream = msi_alloc(sizeof(STREAM));
83 decode_streamname(name, decoded);
85 TRACE("stream -> %s %s\n", debugstr_w(name), debugstr_w(decoded));
88 stream->name = strdupW(ptr);
95 stream->str_index = msi_addstringW(sv->db->strings, 0, stream->name, -1, 1, StringNonPersistent);
100 static UINT STREAMS_fetch_int(struct tagMSIVIEW *view, UINT row, UINT col, UINT *val)
102 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
104 TRACE("(%p, %d, %d, %p)\n", view, row, col, val);
107 return ERROR_INVALID_PARAMETER;
109 if (row >= sv->num_rows)
110 return ERROR_NO_MORE_ITEMS;
112 *val = sv->streams[row]->str_index;
114 return ERROR_SUCCESS;
117 static UINT STREAMS_fetch_stream(struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
119 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
121 TRACE("(%p, %d, %d, %p)\n", view, row, col, stm);
123 if (row >= sv->num_rows)
124 return ERROR_FUNCTION_FAILED;
126 IStream_AddRef(sv->streams[row]->stream);
127 *stm = sv->streams[row]->stream;
129 return ERROR_SUCCESS;
132 static UINT STREAMS_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
134 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
136 FIXME("%p %d %p\n", sv, row, rec);
138 return ERROR_CALL_NOT_IMPLEMENTED;
141 static UINT STREAMS_set_row(struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask)
143 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
151 UINT r = ERROR_FUNCTION_FAILED;
153 TRACE("(%p, %p)\n", view, rec);
155 if (row > sv->num_rows)
156 return ERROR_FUNCTION_FAILED;
158 r = MSI_RecordGetIStream(rec, 2, &stm);
159 if (r != ERROR_SUCCESS)
162 hr = IStream_Stat(stm, &stat, STATFLAG_NONAME);
165 WARN("failed to stat stream: %08x\n", hr);
169 if (stat.cbSize.QuadPart >> 32)
172 data = msi_alloc(stat.cbSize.QuadPart);
176 hr = IStream_Read(stm, data, stat.cbSize.QuadPart, &count);
177 if (FAILED(hr) || count != stat.cbSize.QuadPart)
179 WARN("failed to read stream: %08x\n", hr);
183 name = strdupW(MSI_RecordGetString(rec, 1));
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 IStorage_OpenStream(sv->db->storage, name, 0,
199 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stream->stream);
201 sv->streams[row] = stream;
207 IStream_Release(stm);
212 static UINT STREAMS_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary)
214 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
216 if (!streams_set_table_size(sv, ++sv->num_rows))
217 return ERROR_FUNCTION_FAILED;
220 row = sv->num_rows - 1;
222 /* FIXME have to readjust rows */
224 return STREAMS_set_row(view, row, rec, 0);
227 static UINT STREAMS_delete_row(struct tagMSIVIEW *view, UINT row)
229 FIXME("(%p %d): stub!\n", view, row);
230 return ERROR_SUCCESS;
233 static UINT STREAMS_execute(struct tagMSIVIEW *view, MSIRECORD *record)
235 TRACE("(%p, %p)\n", view, record);
236 return ERROR_SUCCESS;
239 static UINT STREAMS_close(struct tagMSIVIEW *view)
241 TRACE("(%p)\n", view);
242 return ERROR_SUCCESS;
245 static UINT STREAMS_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
247 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
249 TRACE("(%p, %p, %p)\n", view, rows, cols);
251 if (cols) *cols = NUM_STREAMS_COLS;
252 if (rows) *rows = sv->num_rows;
254 return ERROR_SUCCESS;
257 static UINT STREAMS_get_column_info(struct tagMSIVIEW *view, UINT n,
258 LPWSTR *name, UINT *type, BOOL *temporary)
260 LPCWSTR name_ptr = NULL;
262 static const WCHAR Name[] = {'N','a','m','e',0};
263 static const WCHAR Data[] = {'D','a','t','a',0};
265 TRACE("(%p, %d, %p, %p, %p)\n", view, n, name, type, temporary);
267 if (n == 0 || n > NUM_STREAMS_COLS)
268 return ERROR_INVALID_PARAMETER;
274 if (type) *type = MSITYPE_STRING | MAX_STREAM_NAME_LEN;
279 if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MSITYPE_NULLABLE;
285 *name = strdupW(name_ptr);
286 if (!*name) return ERROR_FUNCTION_FAILED;
292 return ERROR_SUCCESS;
295 static UINT streams_find_row(MSISTREAMSVIEW *sv, MSIRECORD *rec, UINT *row)
300 str = MSI_RecordGetString(rec, 1);
301 msi_string2idW(sv->db->strings, str, &id);
303 for (i = 0; i < sv->num_rows; i++)
305 STREAMS_fetch_int(&sv->view, i, 1, &data);
310 return ERROR_SUCCESS;
314 return ERROR_FUNCTION_FAILED;
317 static UINT streams_modify_update(struct tagMSIVIEW *view, MSIRECORD *rec)
319 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
322 r = streams_find_row(sv, rec, &row);
323 if (r != ERROR_SUCCESS)
324 return ERROR_FUNCTION_FAILED;
326 return STREAMS_set_row(view, row, rec, 0);
329 static UINT streams_modify_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
331 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
334 r = streams_find_row(sv, rec, &row);
335 if (r == ERROR_SUCCESS)
336 return streams_modify_update(view, rec);
338 return STREAMS_insert_row(view, rec, -1, FALSE);
341 static UINT STREAMS_modify(struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
345 TRACE("%p %d %p\n", view, eModifyMode, rec);
349 case MSIMODIFY_ASSIGN:
350 r = streams_modify_assign(view, rec);
353 case MSIMODIFY_INSERT:
354 r = STREAMS_insert_row(view, rec, -1, FALSE);
357 case MSIMODIFY_UPDATE:
358 r = streams_modify_update(view, rec);
361 case MSIMODIFY_VALIDATE_NEW:
362 case MSIMODIFY_INSERT_TEMPORARY:
363 case MSIMODIFY_REFRESH:
364 case MSIMODIFY_REPLACE:
365 case MSIMODIFY_MERGE:
366 case MSIMODIFY_DELETE:
367 case MSIMODIFY_VALIDATE:
368 case MSIMODIFY_VALIDATE_FIELD:
369 case MSIMODIFY_VALIDATE_DELETE:
370 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
371 r = ERROR_CALL_NOT_IMPLEMENTED;
375 r = ERROR_INVALID_DATA;
381 static UINT STREAMS_delete(struct tagMSIVIEW *view)
383 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
386 TRACE("(%p)\n", view);
388 for (i = 0; i < sv->num_rows; i++)
390 if (sv->streams[i] && sv->streams[i]->stream)
391 IStream_Release(sv->streams[i]->stream);
392 msi_free(sv->streams[i]);
395 msi_free(sv->streams);
397 return ERROR_SUCCESS;
400 static UINT STREAMS_find_matching_rows(struct tagMSIVIEW *view, UINT col,
401 UINT val, UINT *row, MSIITERHANDLE *handle)
403 MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
404 UINT index = (UINT)*handle;
406 TRACE("(%d, %d): %d\n", *row, col, val);
408 if (col == 0 || col > NUM_STREAMS_COLS)
409 return ERROR_INVALID_PARAMETER;
411 while (index < sv->num_rows)
413 if (sv->streams[index]->str_index == val)
422 *handle = (MSIITERHANDLE)++index;
423 if (index >= sv->num_rows)
424 return ERROR_NO_MORE_ITEMS;
426 return ERROR_SUCCESS;
429 static const MSIVIEWOPS streams_ops =
432 STREAMS_fetch_stream,
439 STREAMS_get_dimensions,
440 STREAMS_get_column_info,
443 STREAMS_find_matching_rows,
452 static INT add_streams_to_table(MSISTREAMSVIEW *sv)
454 IEnumSTATSTG *stgenum = NULL;
456 STREAM *stream = NULL;
458 UINT count = 0, size;
460 hr = IStorage_EnumElements(sv->db->storage, 0, NULL, 0, &stgenum);
465 sv->streams = msi_alloc_zero(sizeof(STREAM *));
472 hr = IEnumSTATSTG_Next(stgenum, 1, &stat, &size);
473 if (FAILED(hr) || !size)
476 if (stat.type != STGTY_STREAM)
479 /* table streams are not in the _Streams table */
480 if (*stat.pwcsName == 0x4840)
482 CoTaskMemFree(stat.pwcsName);
486 stream = create_stream(sv, stat.pwcsName, TRUE, NULL);
490 CoTaskMemFree(stat.pwcsName);
494 IStorage_OpenStream(sv->db->storage, stat.pwcsName, 0,
495 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stream->stream);
496 CoTaskMemFree(stat.pwcsName);
498 if (!streams_set_table_size(sv, ++count))
504 sv->streams[count - 1] = stream;
507 IEnumSTATSTG_Release(stgenum);
511 UINT STREAMS_CreateView(MSIDATABASE *db, MSIVIEW **view)
516 TRACE("(%p, %p)\n", db, view);
518 sv = msi_alloc(sizeof(MSISTREAMSVIEW));
520 return ERROR_FUNCTION_FAILED;
522 sv->view.ops = &streams_ops;
524 rows = add_streams_to_table(sv);
528 return ERROR_FUNCTION_FAILED;
532 *view = (MSIVIEW *)sv;
534 return ERROR_SUCCESS;