2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2002-2004 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
26 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
39 /* below is the query interface to a table */
41 typedef struct tagMSISELECTVIEW
51 static UINT SELECT_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
53 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
55 TRACE("%p %d %d %p\n", sv, row, col, val );
58 return ERROR_FUNCTION_FAILED;
60 if( (col==0) || (col>sv->num_cols) )
61 return ERROR_FUNCTION_FAILED;
63 col = sv->cols[ col - 1 ];
65 return sv->table->ops->fetch_int( sv->table, row, col, val );
68 static UINT SELECT_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
70 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
72 TRACE("%p %d %d %p\n", sv, row, col, stm );
75 return ERROR_FUNCTION_FAILED;
77 if( (col==0) || (col>sv->num_cols) )
78 return ERROR_FUNCTION_FAILED;
80 col = sv->cols[ col - 1 ];
82 return sv->table->ops->fetch_stream( sv->table, row, col, stm );
85 static UINT SELECT_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
87 MSISELECTVIEW *sv = (MSISELECTVIEW *)view;
89 TRACE("%p %d %p\n", sv, row, rec );
92 return ERROR_FUNCTION_FAILED;
94 return msi_view_get_row(sv->db, view, row, rec);
97 static UINT SELECT_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
99 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
100 UINT i, expanded_mask = 0, r = ERROR_SUCCESS, col_count = 0;
103 TRACE("%p %d %p %08x\n", sv, row, rec, mask );
106 return ERROR_FUNCTION_FAILED;
108 /* test if any of the mask bits are invalid */
109 if ( mask >= (1<<sv->num_cols) )
110 return ERROR_INVALID_PARAMETER;
112 /* find the number of columns in the table below */
113 r = sv->table->ops->get_dimensions( sv->table, NULL, &col_count );
117 /* expand the record to the right size for the underlying table */
118 expanded = MSI_CreateRecord( col_count );
120 return ERROR_FUNCTION_FAILED;
122 /* move the right fields across */
123 for ( i=0; i<sv->num_cols; i++ )
125 r = MSI_RecordCopyField( rec, i+1, expanded, sv->cols[ i ] );
126 if (r != ERROR_SUCCESS)
128 expanded_mask |= (1<<(sv->cols[i]-1));
131 /* set the row in the underlying table */
132 if (r == ERROR_SUCCESS)
133 r = sv->table->ops->set_row( sv->table, row, expanded, expanded_mask );
135 msiobj_release( &expanded->hdr );
139 static UINT SELECT_insert_row( struct tagMSIVIEW *view, MSIRECORD *record, UINT row, BOOL temporary )
141 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
142 UINT i, table_cols, r;
145 TRACE("%p %p\n", sv, record );
148 return ERROR_FUNCTION_FAILED;
150 /* rearrange the record to suit the table */
151 r = sv->table->ops->get_dimensions( sv->table, NULL, &table_cols );
152 if (r != ERROR_SUCCESS)
155 outrec = MSI_CreateRecord( table_cols + 1 );
157 for (i=0; i<sv->num_cols; i++)
159 r = MSI_RecordCopyField( record, i+1, outrec, sv->cols[i] );
160 if (r != ERROR_SUCCESS)
164 r = sv->table->ops->insert_row( sv->table, outrec, row, temporary );
167 msiobj_release( &outrec->hdr );
172 static UINT SELECT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
174 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
176 TRACE("%p %p\n", sv, record);
179 return ERROR_FUNCTION_FAILED;
181 return sv->table->ops->execute( sv->table, record );
184 static UINT SELECT_close( struct tagMSIVIEW *view )
186 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
191 return ERROR_FUNCTION_FAILED;
193 return sv->table->ops->close( sv->table );
196 static UINT SELECT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
198 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
200 TRACE("%p %p %p\n", sv, rows, cols );
203 return ERROR_FUNCTION_FAILED;
206 *cols = sv->num_cols;
208 return sv->table->ops->get_dimensions( sv->table, rows, NULL );
211 static UINT SELECT_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
212 UINT *type, BOOL *temporary, LPCWSTR *table_name )
214 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
216 TRACE("%p %d %p %p %p %p\n", sv, n, name, type, temporary, table_name );
219 return ERROR_FUNCTION_FAILED;
221 if( (n==0) || (n>sv->num_cols) )
222 return ERROR_FUNCTION_FAILED;
224 n = sv->cols[ n - 1 ];
226 return sv->table->ops->get_column_info( sv->table, n, name,
227 type, temporary, table_name );
230 static UINT msi_select_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
232 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
233 UINT r, i, num_columns, col, type, val;
237 r = SELECT_get_dimensions(view, NULL, &num_columns);
238 if (r != ERROR_SUCCESS)
241 r = sv->table->ops->get_row(sv->table, row - 1, &mod);
242 if (r != ERROR_SUCCESS)
245 for (i = 0; i < num_columns; i++)
249 r = SELECT_get_column_info(view, i + 1, NULL, &type, NULL, NULL);
250 if (r != ERROR_SUCCESS)
252 ERR("Failed to get column information: %d\n", r);
256 if (MSITYPE_IS_BINARY(type))
258 ERR("Cannot modify binary data!\n");
259 r = ERROR_FUNCTION_FAILED;
262 else if (type & MSITYPE_STRING)
264 str = MSI_RecordGetString(rec, i + 1);
265 r = MSI_RecordSetStringW(mod, col, str);
269 val = MSI_RecordGetInteger(rec, i + 1);
270 r = MSI_RecordSetInteger(mod, col, val);
273 if (r != ERROR_SUCCESS)
275 ERR("Failed to modify record: %d\n", r);
280 r = sv->table->ops->modify(sv->table, MSIMODIFY_UPDATE, mod, row);
283 msiobj_release(&mod->hdr);
287 static UINT SELECT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
288 MSIRECORD *rec, UINT row )
290 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
292 TRACE("%p %d %p %d\n", sv, eModifyMode, rec, row );
295 return ERROR_FUNCTION_FAILED;
297 if (eModifyMode == MSIMODIFY_UPDATE)
298 return msi_select_update(view, rec, row);
300 return sv->table->ops->modify( sv->table, eModifyMode, rec, row );
303 static UINT SELECT_delete( struct tagMSIVIEW *view )
305 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
310 sv->table->ops->delete( sv->table );
315 return ERROR_SUCCESS;
318 static UINT SELECT_find_matching_rows( struct tagMSIVIEW *view, UINT col,
319 UINT val, UINT *row, MSIITERHANDLE *handle )
321 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
323 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
326 return ERROR_FUNCTION_FAILED;
328 if( (col==0) || (col>sv->num_cols) )
329 return ERROR_FUNCTION_FAILED;
331 col = sv->cols[ col - 1 ];
333 return sv->table->ops->find_matching_rows( sv->table, col, val, row, handle );
337 static const MSIVIEWOPS select_ops =
347 SELECT_get_dimensions,
348 SELECT_get_column_info,
351 SELECT_find_matching_rows,
360 static UINT SELECT_AddColumn( MSISELECTVIEW *sv, LPCWSTR name,
366 TRACE("%p adding %s.%s\n", sv, debugstr_w( table_name ),
369 if( sv->view.ops != &select_ops )
370 return ERROR_FUNCTION_FAILED;
374 return ERROR_FUNCTION_FAILED;
375 if( !table->ops->get_dimensions )
376 return ERROR_FUNCTION_FAILED;
377 if( !table->ops->get_column_info )
378 return ERROR_FUNCTION_FAILED;
380 if( sv->num_cols >= sv->max_cols )
381 return ERROR_FUNCTION_FAILED;
383 r = VIEW_find_column( table, name, table_name, &n );
384 if( r != ERROR_SUCCESS )
387 sv->cols[sv->num_cols] = n;
388 TRACE("Translating column %s from %d -> %d\n",
389 debugstr_w( name ), sv->num_cols, n);
393 return ERROR_SUCCESS;
396 static int select_count_columns( const column_info *col )
399 for (n = 0; col; col = col->next)
404 UINT SELECT_CreateView( MSIDATABASE *db, MSIVIEW **view, MSIVIEW *table,
405 const column_info *columns )
407 MSISELECTVIEW *sv = NULL;
408 UINT count = 0, r = ERROR_SUCCESS;
412 count = select_count_columns( columns );
414 sv = msi_alloc_zero( sizeof *sv + count*sizeof (UINT) );
416 return ERROR_FUNCTION_FAILED;
418 /* fill the structure */
419 sv->view.ops = &select_ops;
423 sv->max_cols = count;
427 r = SELECT_AddColumn( sv, columns->column, columns->table );
430 columns = columns->next;
433 if( r == ERROR_SUCCESS )