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, 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, 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,
212 UINT n, LPWSTR *name, UINT *type )
214 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
216 TRACE("%p %d %p %p\n", sv, n, name, type );
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, type );
229 static UINT msi_select_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
231 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
232 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, &name, &type);
251 if (r != ERROR_SUCCESS)
253 ERR("Failed to get column information: %d\n", r);
257 if (MSITYPE_IS_BINARY(type))
259 ERR("Cannot modify binary data!\n");
260 r = ERROR_FUNCTION_FAILED;
263 else if (type & MSITYPE_STRING)
265 str = MSI_RecordGetString(rec, i + 1);
266 r = MSI_RecordSetStringW(mod, col, str);
270 val = MSI_RecordGetInteger(rec, i + 1);
271 r = MSI_RecordSetInteger(mod, col, val);
274 if (r != ERROR_SUCCESS)
276 ERR("Failed to modify record: %d\n", r);
281 r = sv->table->ops->modify(sv->table, MSIMODIFY_UPDATE, mod, row);
284 msiobj_release(&mod->hdr);
288 static UINT SELECT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
289 MSIRECORD *rec, UINT row )
291 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
293 TRACE("%p %d %p %d\n", sv, eModifyMode, rec, row );
296 return ERROR_FUNCTION_FAILED;
298 if (eModifyMode == MSIMODIFY_UPDATE)
299 return msi_select_update(view, rec, row);
301 return sv->table->ops->modify( sv->table, eModifyMode, rec, row );
304 static UINT SELECT_delete( struct tagMSIVIEW *view )
306 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
311 sv->table->ops->delete( sv->table );
316 return ERROR_SUCCESS;
319 static UINT SELECT_find_matching_rows( struct tagMSIVIEW *view, UINT col,
320 UINT val, UINT *row, MSIITERHANDLE *handle )
322 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
324 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
327 return ERROR_FUNCTION_FAILED;
329 if( (col==0) || (col>sv->num_cols) )
330 return ERROR_FUNCTION_FAILED;
332 col = sv->cols[ col - 1 ];
334 return sv->table->ops->find_matching_rows( sv->table, col, val, row, handle );
338 static const MSIVIEWOPS select_ops =
348 SELECT_get_dimensions,
349 SELECT_get_column_info,
352 SELECT_find_matching_rows,
359 static UINT SELECT_AddColumn( MSISELECTVIEW *sv, LPCWSTR name )
364 TRACE("%p adding %s\n", sv, debugstr_w( name ) );
366 if( sv->view.ops != &select_ops )
367 return ERROR_FUNCTION_FAILED;
371 return ERROR_FUNCTION_FAILED;
372 if( !table->ops->get_dimensions )
373 return ERROR_FUNCTION_FAILED;
374 if( !table->ops->get_column_info )
375 return ERROR_FUNCTION_FAILED;
377 if( sv->num_cols >= sv->max_cols )
378 return ERROR_FUNCTION_FAILED;
380 r = VIEW_find_column( table, name, &n );
381 if( r != ERROR_SUCCESS )
384 sv->cols[sv->num_cols] = n;
385 TRACE("Translating column %s from %d -> %d\n",
386 debugstr_w( name ), sv->num_cols, n);
390 return ERROR_SUCCESS;
393 static int select_count_columns( const column_info *col )
396 for (n = 0; col; col = col->next)
401 UINT SELECT_CreateView( MSIDATABASE *db, MSIVIEW **view, MSIVIEW *table,
402 const column_info *columns )
404 MSISELECTVIEW *sv = NULL;
405 UINT count = 0, r = ERROR_SUCCESS;
409 count = select_count_columns( columns );
411 sv = msi_alloc_zero( sizeof *sv + count*sizeof (UINT) );
413 return ERROR_FUNCTION_FAILED;
415 /* fill the structure */
416 sv->view.ops = &select_ops;
420 sv->max_cols = count;
424 r = SELECT_AddColumn( sv, columns->column );
427 columns = columns->next;
430 if( r == ERROR_SUCCESS )