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, BOOL *temporary )
199 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
203 TRACE("%p %d %p %p %p\n", jv, n, name, type, temporary );
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,
212 name, type, temporary);
214 cols += table->columns;
217 return ERROR_FUNCTION_FAILED;
220 static UINT JOIN_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
221 MSIRECORD *rec, UINT row )
223 TRACE("%p %d %p\n", view, eModifyMode, rec);
224 return ERROR_FUNCTION_FAILED;
227 static UINT JOIN_delete( struct tagMSIVIEW *view )
229 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
234 LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
236 table->view->ops->delete(table->view);
242 return ERROR_SUCCESS;
245 static UINT JOIN_find_matching_rows( struct tagMSIVIEW *view, UINT col,
246 UINT val, UINT *row, MSIITERHANDLE *handle )
248 MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
251 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
253 if (col == 0 || col > jv->columns)
254 return ERROR_INVALID_PARAMETER;
256 for (i = (UINT)*handle; i < jv->rows; i++)
258 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
261 if (row_value == val)
264 (*(UINT *)handle) = i + 1;
265 return ERROR_SUCCESS;
269 return ERROR_NO_MORE_ITEMS;
272 static UINT JOIN_sort(struct tagMSIVIEW *view, column_info *columns)
274 MSIJOINVIEW *jv = (MSIJOINVIEW *)view;
278 TRACE("%p %p\n", view, columns);
280 LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
282 r = table->view->ops->sort(table->view, columns);
283 if (r != ERROR_SUCCESS)
287 return ERROR_SUCCESS;
290 static const MSIVIEWOPS join_ops =
301 JOIN_get_column_info,
304 JOIN_find_matching_rows,
313 UINT JOIN_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR tables )
315 MSIJOINVIEW *jv = NULL;
316 UINT r = ERROR_SUCCESS;
320 TRACE("%p (%s)\n", jv, debugstr_w(tables) );
322 jv = msi_alloc_zero( sizeof *jv );
324 return ERROR_FUNCTION_FAILED;
326 /* fill the structure */
327 jv->view.ops = &join_ops;
332 list_init(&jv->tables);
336 if ((ptr = strchrW(tables, ' ')))
339 table = msi_alloc(sizeof(JOINTABLE));
342 r = ERROR_OUTOFMEMORY;
346 r = TABLE_CreateView( db, tables, &table->view );
347 if( r != ERROR_SUCCESS )
349 WARN("can't create table: %s\n", debugstr_w(tables));
350 r = ERROR_BAD_QUERY_SYNTAX;
354 r = table->view->ops->get_dimensions( table->view, NULL, &table->columns );
355 if( r != ERROR_SUCCESS )
357 ERR("can't get table dimensions\n");
361 jv->columns += table->columns;
363 list_add_head( &jv->tables, &table->entry );
372 return ERROR_SUCCESS;
375 jv->view.ops->delete( &jv->view );