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_set_row( struct tagMSIVIEW
*view
, UINT row
, MSIRECORD
*rec
, UINT mask
)
87 MSISELECTVIEW
*sv
= (MSISELECTVIEW
*)view
;
88 UINT i
, expanded_mask
= 0, r
= ERROR_SUCCESS
, col_count
= 0;
91 TRACE("%p %d %p %08x\n", sv
, row
, rec
, mask
);
94 return ERROR_FUNCTION_FAILED
;
96 /* test if any of the mask bits are invalid */
97 if ( mask
>= (1<<sv
->num_cols
) )
98 return ERROR_INVALID_PARAMETER
;
100 /* find the number of columns in the table below */
101 r
= sv
->table
->ops
->get_dimensions( sv
->table
, NULL
, &col_count
);
105 /* expand the record to the right size for the underlying table */
106 expanded
= MSI_CreateRecord( col_count
);
108 return ERROR_FUNCTION_FAILED
;
110 /* move the right fields across */
111 for ( i
=0; i
<sv
->num_cols
; i
++ )
113 r
= MSI_RecordCopyField( rec
, i
+1, expanded
, sv
->cols
[ i
] );
114 if (r
!= ERROR_SUCCESS
)
116 expanded_mask
|= (1<<(sv
->cols
[i
]-1));
119 /* set the row in the underlying table */
120 if (r
== ERROR_SUCCESS
)
121 r
= sv
->table
->ops
->set_row( sv
->table
, row
, expanded
, expanded_mask
);
123 msiobj_release( &expanded
->hdr
);
127 static UINT
SELECT_insert_row( struct tagMSIVIEW
*view
, MSIRECORD
*record
, BOOL temporary
)
129 MSISELECTVIEW
*sv
= (MSISELECTVIEW
*)view
;
130 UINT i
, table_cols
, r
;
133 TRACE("%p %p\n", sv
, record
);
136 return ERROR_FUNCTION_FAILED
;
138 /* rearrange the record to suit the table */
139 r
= sv
->table
->ops
->get_dimensions( sv
->table
, NULL
, &table_cols
);
140 if (r
!= ERROR_SUCCESS
)
143 outrec
= MSI_CreateRecord( table_cols
+ 1 );
145 for (i
=0; i
<sv
->num_cols
; i
++)
147 r
= MSI_RecordCopyField( record
, i
+1, outrec
, sv
->cols
[i
] );
148 if (r
!= ERROR_SUCCESS
)
152 r
= sv
->table
->ops
->insert_row( sv
->table
, outrec
, temporary
);
155 msiobj_release( &outrec
->hdr
);
160 static UINT
SELECT_execute( struct tagMSIVIEW
*view
, MSIRECORD
*record
)
162 MSISELECTVIEW
*sv
= (MSISELECTVIEW
*)view
;
164 TRACE("%p %p\n", sv
, record
);
167 return ERROR_FUNCTION_FAILED
;
169 return sv
->table
->ops
->execute( sv
->table
, record
);
172 static UINT
SELECT_close( struct tagMSIVIEW
*view
)
174 MSISELECTVIEW
*sv
= (MSISELECTVIEW
*)view
;
179 return ERROR_FUNCTION_FAILED
;
181 return sv
->table
->ops
->close( sv
->table
);
184 static UINT
SELECT_get_dimensions( struct tagMSIVIEW
*view
, UINT
*rows
, UINT
*cols
)
186 MSISELECTVIEW
*sv
= (MSISELECTVIEW
*)view
;
188 TRACE("%p %p %p\n", sv
, rows
, cols
);
191 return ERROR_FUNCTION_FAILED
;
194 *cols
= sv
->num_cols
;
196 return sv
->table
->ops
->get_dimensions( sv
->table
, rows
, NULL
);
199 static UINT
SELECT_get_column_info( struct tagMSIVIEW
*view
,
200 UINT n
, LPWSTR
*name
, UINT
*type
)
202 MSISELECTVIEW
*sv
= (MSISELECTVIEW
*)view
;
204 TRACE("%p %d %p %p\n", sv
, n
, name
, type
);
207 return ERROR_FUNCTION_FAILED
;
209 if( (n
==0) || (n
>sv
->num_cols
) )
210 return ERROR_FUNCTION_FAILED
;
212 n
= sv
->cols
[ n
- 1 ];
214 return sv
->table
->ops
->get_column_info( sv
->table
, n
, name
, type
);
217 static UINT
SELECT_modify( struct tagMSIVIEW
*view
, MSIMODIFY eModifyMode
,
220 MSISELECTVIEW
*sv
= (MSISELECTVIEW
*)view
;
222 TRACE("%p %d %p\n", sv
, eModifyMode
, rec
);
225 return ERROR_FUNCTION_FAILED
;
227 return sv
->table
->ops
->modify( sv
->table
, eModifyMode
, rec
);
230 static UINT
SELECT_delete( struct tagMSIVIEW
*view
)
232 MSISELECTVIEW
*sv
= (MSISELECTVIEW
*)view
;
237 sv
->table
->ops
->delete( sv
->table
);
242 return ERROR_SUCCESS
;
245 static UINT
SELECT_find_matching_rows( struct tagMSIVIEW
*view
, UINT col
,
246 UINT val
, UINT
*row
, MSIITERHANDLE
*handle
)
248 MSISELECTVIEW
*sv
= (MSISELECTVIEW
*)view
;
250 TRACE("%p, %d, %u, %p\n", view
, col
, val
, *handle
);
253 return ERROR_FUNCTION_FAILED
;
255 if( (col
==0) || (col
>sv
->num_cols
) )
256 return ERROR_FUNCTION_FAILED
;
258 col
= sv
->cols
[ col
- 1 ];
260 return sv
->table
->ops
->find_matching_rows( sv
->table
, col
, val
, row
, handle
);
264 static const MSIVIEWOPS select_ops
=
272 SELECT_get_dimensions
,
273 SELECT_get_column_info
,
276 SELECT_find_matching_rows
279 static UINT
SELECT_AddColumn( MSISELECTVIEW
*sv
, LPCWSTR name
)
284 TRACE("%p adding %s\n", sv
, debugstr_w( name
) );
286 if( sv
->view
.ops
!= &select_ops
)
287 return ERROR_FUNCTION_FAILED
;
291 return ERROR_FUNCTION_FAILED
;
292 if( !table
->ops
->get_dimensions
)
293 return ERROR_FUNCTION_FAILED
;
294 if( !table
->ops
->get_column_info
)
295 return ERROR_FUNCTION_FAILED
;
297 if( sv
->num_cols
>= sv
->max_cols
)
298 return ERROR_FUNCTION_FAILED
;
300 r
= VIEW_find_column( table
, name
, &n
);
301 if( r
!= ERROR_SUCCESS
)
304 sv
->cols
[sv
->num_cols
] = n
;
305 TRACE("Translating column %s from %d -> %d\n",
306 debugstr_w( name
), sv
->num_cols
, n
);
310 return ERROR_SUCCESS
;
313 static int select_count_columns( column_info
*col
)
316 for (n
= 0; col
; col
= col
->next
)
321 UINT
SELECT_CreateView( MSIDATABASE
*db
, MSIVIEW
**view
, MSIVIEW
*table
,
322 column_info
*columns
)
324 MSISELECTVIEW
*sv
= NULL
;
325 UINT count
= 0, r
= ERROR_SUCCESS
;
329 count
= select_count_columns( columns
);
331 sv
= msi_alloc_zero( sizeof *sv
+ count
*sizeof (UINT
) );
333 return ERROR_FUNCTION_FAILED
;
335 /* fill the structure */
336 sv
->view
.ops
= &select_ops
;
340 sv
->max_cols
= count
;
344 r
= SELECT_AddColumn( sv
, columns
->column
);
347 columns
= columns
->next
;
350 if( r
== ERROR_SUCCESS
)