2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2006 Mike McCormack for CodeWeavers
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
33 #include "wine/debug.h"
34 #include "wine/unicode.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
38 typedef struct tagJOINTABLE
47 typedef struct tagMSIJOINVIEW
56 static UINT JOIN_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
58 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
63 TRACE("%d, %d\n", row, col);
65 if (col == 0 || col > jv->columns)
66 return ERROR_FUNCTION_FAILED;
69 return ERROR_FUNCTION_FAILED;
71 LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
73 if (col <= cols + table->columns)
75 row = (row % (jv->rows / table->next_rows)) / prev_rows;
80 prev_rows = table->rows;
81 cols += table->columns;
84 return table->view->ops->fetch_int( table->view, row, col, val );
87 static UINT JOIN_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
89 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
94 TRACE("%p %d %d %p\n", jv, row, col, stm );
96 if (col == 0 || col > jv->columns)
97 return ERROR_FUNCTION_FAILED;
100 return ERROR_FUNCTION_FAILED;
102 LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
104 if (col <= cols + table->columns)
106 row = (row % (jv->rows / table->next_rows)) / prev_rows;
111 prev_rows = table->rows;
112 cols += table->columns;
115 return table->view->ops->fetch_stream( table->view, row, col, stm );
118 static UINT JOIN_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
120 FIXME("(%p, %d, %p): stub!\n", view, row, rec);
121 return ERROR_FUNCTION_FAILED;
124 static UINT JOIN_execute( struct tagMSIVIEW *view, MSIRECORD *record )
126 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
130 TRACE("%p %p\n", jv, record);
132 LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
134 table->view->ops->execute(table->view, NULL);
136 r = table->view->ops->get_dimensions(table->view, &table->rows, NULL);
137 if (r != ERROR_SUCCESS)
139 ERR("failed to get table dimensions\n");
143 /* each table must have at least one row */
144 if (table->rows == 0)
147 return ERROR_SUCCESS;
151 jv->rows = table->rows;
153 jv->rows *= table->rows;
157 LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
160 table->next_rows = rows;
163 return ERROR_SUCCESS;
166 static UINT JOIN_close( struct tagMSIVIEW *view )
168 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
173 LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
175 table->view->ops->close(table->view);
178 return ERROR_SUCCESS;
181 static UINT JOIN_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
183 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
185 TRACE("%p %p %p\n", jv, rows, cols );
193 return ERROR_SUCCESS;
196 static UINT JOIN_get_column_info( struct tagMSIVIEW *view,
197 UINT n, LPWSTR *name, UINT *type )
199 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
203 TRACE("%p %d %p %p\n", jv, n, name, type );
205 if (n == 0 || n > jv->columns)
206 return ERROR_FUNCTION_FAILED;
208 LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
210 if (n <= cols + table->columns)
211 return table->view->ops->get_column_info(table->view, n - cols, name, type);
213 cols += table->columns;
216 return ERROR_FUNCTION_FAILED;
219 static UINT JOIN_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
220 MSIRECORD *rec, UINT row )
222 TRACE("%p %d %p\n", view, eModifyMode, rec);
223 return ERROR_FUNCTION_FAILED;
226 static UINT JOIN_delete( struct tagMSIVIEW *view )
228 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
233 LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
235 table->view->ops->delete(table->view);
241 return ERROR_SUCCESS;
244 static UINT JOIN_find_matching_rows( struct tagMSIVIEW *view, UINT col,
245 UINT val, UINT *row, MSIITERHANDLE *handle )
247 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
250 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
252 if (col == 0 || col > jv->columns)
253 return ERROR_INVALID_PARAMETER;
255 for (i = (UINT)*handle; i < jv->rows; i++)
257 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
260 if (row_value == val)
263 (*(UINT *)handle) = i + 1;
264 return ERROR_SUCCESS;
268 return ERROR_NO_MORE_ITEMS;
271 static const MSIVIEWOPS join_ops =
282 JOIN_get_column_info,
285 JOIN_find_matching_rows,
292 UINT JOIN_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR tables )
294 MSIJOINVIEW *jv = NULL;
295 UINT r = ERROR_SUCCESS;
299 TRACE("%p (%s)\n", jv, debugstr_w(tables) );
301 jv = msi_alloc_zero( sizeof *jv );
303 return ERROR_FUNCTION_FAILED;
305 /* fill the structure */
306 jv->view.ops = &join_ops;
311 list_init(&jv->tables);
315 if ((ptr = strchrW(tables, ' ')))
318 table = msi_alloc(sizeof(JOINTABLE));
320 return ERROR_OUTOFMEMORY;
322 r = TABLE_CreateView( db, tables, &table->view );
323 if( r != ERROR_SUCCESS )
325 ERR("can't create table\n");
329 r = table->view->ops->get_dimensions( table->view, NULL, &table->columns );
330 if( r != ERROR_SUCCESS )
332 ERR("can't get table dimensions\n");
336 jv->columns += table->columns;
338 list_add_head( &jv->tables, &table->entry );
347 return ERROR_SUCCESS;
350 jv->view.ops->delete( &jv->view );