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 || col > sv->num_cols )
61 return ERROR_FUNCTION_FAILED;
63 col = sv->cols[ col - 1 ];
69 return sv->table->ops->fetch_int( sv->table, row, col, val );
72 static UINT SELECT_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
74 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
76 TRACE("%p %d %d %p\n", sv, row, col, stm );
79 return ERROR_FUNCTION_FAILED;
81 if( !col || col > sv->num_cols )
82 return ERROR_FUNCTION_FAILED;
84 col = sv->cols[ col - 1 ];
90 return sv->table->ops->fetch_stream( sv->table, row, col, stm );
93 static UINT SELECT_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
95 MSISELECTVIEW *sv = (MSISELECTVIEW *)view;
97 TRACE("%p %d %p\n", sv, row, rec );
100 return ERROR_FUNCTION_FAILED;
102 return msi_view_get_row(sv->db, view, row, rec);
105 static UINT SELECT_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
107 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
108 UINT i, expanded_mask = 0, r = ERROR_SUCCESS, col_count = 0;
111 TRACE("%p %d %p %08x\n", sv, row, rec, mask );
114 return ERROR_FUNCTION_FAILED;
116 /* test if any of the mask bits are invalid */
117 if ( mask >= (1<<sv->num_cols) )
118 return ERROR_INVALID_PARAMETER;
120 /* find the number of columns in the table below */
121 r = sv->table->ops->get_dimensions( sv->table, NULL, &col_count );
125 /* expand the record to the right size for the underlying table */
126 expanded = MSI_CreateRecord( col_count );
128 return ERROR_FUNCTION_FAILED;
130 /* move the right fields across */
131 for ( i=0; i<sv->num_cols; i++ )
133 r = MSI_RecordCopyField( rec, i+1, expanded, sv->cols[ i ] );
134 if (r != ERROR_SUCCESS)
136 expanded_mask |= (1<<(sv->cols[i]-1));
139 /* set the row in the underlying table */
140 if (r == ERROR_SUCCESS)
141 r = sv->table->ops->set_row( sv->table, row, expanded, expanded_mask );
143 msiobj_release( &expanded->hdr );
147 static UINT SELECT_insert_row( struct tagMSIVIEW *view, MSIRECORD *record, UINT row, BOOL temporary )
149 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
150 UINT i, table_cols, r;
153 TRACE("%p %p\n", sv, record );
156 return ERROR_FUNCTION_FAILED;
158 /* rearrange the record to suit the table */
159 r = sv->table->ops->get_dimensions( sv->table, NULL, &table_cols );
160 if (r != ERROR_SUCCESS)
163 outrec = MSI_CreateRecord( table_cols + 1 );
165 for (i=0; i<sv->num_cols; i++)
167 r = MSI_RecordCopyField( record, i+1, outrec, sv->cols[i] );
168 if (r != ERROR_SUCCESS)
172 r = sv->table->ops->insert_row( sv->table, outrec, row, temporary );
175 msiobj_release( &outrec->hdr );
180 static UINT SELECT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
182 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
184 TRACE("%p %p\n", sv, record);
187 return ERROR_FUNCTION_FAILED;
189 return sv->table->ops->execute( sv->table, record );
192 static UINT SELECT_close( struct tagMSIVIEW *view )
194 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
199 return ERROR_FUNCTION_FAILED;
201 return sv->table->ops->close( sv->table );
204 static UINT SELECT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
206 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
208 TRACE("%p %p %p\n", sv, rows, cols );
211 return ERROR_FUNCTION_FAILED;
214 *cols = sv->num_cols;
216 return sv->table->ops->get_dimensions( sv->table, rows, NULL );
219 static UINT SELECT_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
220 UINT *type, BOOL *temporary, LPCWSTR *table_name )
222 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
224 TRACE("%p %d %p %p %p %p\n", sv, n, name, type, temporary, table_name );
227 return ERROR_FUNCTION_FAILED;
229 if( !n || n > sv->num_cols )
230 return ERROR_FUNCTION_FAILED;
232 n = sv->cols[ n - 1 ];
235 if (name) *name = szEmpty;
236 if (type) *type = MSITYPE_UNKNOWN | MSITYPE_VALID;
237 if (temporary) *temporary = FALSE;
238 if (table_name) *table_name = szEmpty;
239 return ERROR_SUCCESS;
241 return sv->table->ops->get_column_info( sv->table, n, name,
242 type, temporary, table_name );
245 static UINT msi_select_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
247 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
248 UINT r, i, num_columns, col, type, val;
252 r = SELECT_get_dimensions(view, NULL, &num_columns);
253 if (r != ERROR_SUCCESS)
256 r = sv->table->ops->get_row(sv->table, row - 1, &mod);
257 if (r != ERROR_SUCCESS)
260 for (i = 0; i < num_columns; i++)
264 r = SELECT_get_column_info(view, i + 1, NULL, &type, NULL, NULL);
265 if (r != ERROR_SUCCESS)
267 ERR("Failed to get column information: %d\n", r);
271 if (MSITYPE_IS_BINARY(type))
273 ERR("Cannot modify binary data!\n");
274 r = ERROR_FUNCTION_FAILED;
277 else if (type & MSITYPE_STRING)
280 str = msi_record_get_string( rec, i + 1, &len );
281 r = msi_record_set_string( mod, col, str, len );
285 val = MSI_RecordGetInteger(rec, i + 1);
286 r = MSI_RecordSetInteger(mod, col, val);
289 if (r != ERROR_SUCCESS)
291 ERR("Failed to modify record: %d\n", r);
296 r = sv->table->ops->modify(sv->table, MSIMODIFY_UPDATE, mod, row);
299 msiobj_release(&mod->hdr);
303 static UINT SELECT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
304 MSIRECORD *rec, UINT row )
306 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
308 TRACE("%p %d %p %d\n", sv, eModifyMode, rec, row );
311 return ERROR_FUNCTION_FAILED;
313 if (eModifyMode == MSIMODIFY_UPDATE)
314 return msi_select_update(view, rec, row);
316 return sv->table->ops->modify( sv->table, eModifyMode, rec, row );
319 static UINT SELECT_delete( struct tagMSIVIEW *view )
321 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
326 sv->table->ops->delete( sv->table );
331 return ERROR_SUCCESS;
334 static UINT SELECT_find_matching_rows( struct tagMSIVIEW *view, UINT col,
335 UINT val, UINT *row, MSIITERHANDLE *handle )
337 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
339 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
342 return ERROR_FUNCTION_FAILED;
344 if( (col==0) || (col>sv->num_cols) )
345 return ERROR_FUNCTION_FAILED;
347 col = sv->cols[ col - 1 ];
349 return sv->table->ops->find_matching_rows( sv->table, col, val, row, handle );
353 static const MSIVIEWOPS select_ops =
363 SELECT_get_dimensions,
364 SELECT_get_column_info,
367 SELECT_find_matching_rows,
376 static UINT SELECT_AddColumn( MSISELECTVIEW *sv, LPCWSTR name,
382 TRACE("%p adding %s.%s\n", sv, debugstr_w( table_name ),
385 if( sv->view.ops != &select_ops )
386 return ERROR_FUNCTION_FAILED;
390 return ERROR_FUNCTION_FAILED;
391 if( !table->ops->get_dimensions )
392 return ERROR_FUNCTION_FAILED;
393 if( !table->ops->get_column_info )
394 return ERROR_FUNCTION_FAILED;
396 if( sv->num_cols >= sv->max_cols )
397 return ERROR_FUNCTION_FAILED;
399 if ( !name[0] ) n = 0;
402 r = VIEW_find_column( table, name, table_name, &n );
403 if( r != ERROR_SUCCESS )
407 sv->cols[sv->num_cols] = n;
408 TRACE("Translating column %s from %d -> %d\n",
409 debugstr_w( name ), sv->num_cols, n);
413 return ERROR_SUCCESS;
416 static int select_count_columns( const column_info *col )
419 for (n = 0; col; col = col->next)
424 UINT SELECT_CreateView( MSIDATABASE *db, MSIVIEW **view, MSIVIEW *table,
425 const column_info *columns )
427 MSISELECTVIEW *sv = NULL;
428 UINT count = 0, r = ERROR_SUCCESS;
432 count = select_count_columns( columns );
434 sv = msi_alloc_zero( FIELD_OFFSET( MSISELECTVIEW, cols[count] ));
436 return ERROR_FUNCTION_FAILED;
438 /* fill the structure */
439 sv->view.ops = &select_ops;
443 sv->max_cols = count;
447 r = SELECT_AddColumn( sv, columns->column, columns->table );
450 columns = columns->next;
453 if( r == ERROR_SUCCESS )