2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 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 tagMSIUPDATEVIEW
49 static UINT
UPDATE_fetch_int( struct tagMSIVIEW
*view
, UINT row
, UINT col
, UINT
*val
)
51 MSIUPDATEVIEW
*uv
= (MSIUPDATEVIEW
*)view
;
53 TRACE("%p %d %d %p\n", uv
, row
, col
, val
);
55 return ERROR_FUNCTION_FAILED
;
58 static UINT
UPDATE_execute( struct tagMSIVIEW
*view
, MSIRECORD
*record
)
60 MSIUPDATEVIEW
*uv
= (MSIUPDATEVIEW
*)view
;
61 UINT i
, r
, col_count
= 0, row_count
= 0;
62 MSIRECORD
*values
= NULL
;
65 TRACE("%p %p\n", uv
, record
);
69 return ERROR_FUNCTION_FAILED
;
71 r
= wv
->ops
->execute( wv
, 0 );
72 TRACE("tv execute returned %x\n", r
);
76 r
= wv
->ops
->get_dimensions( wv
, &row_count
, &col_count
);
80 values
= msi_query_merge_record( col_count
, uv
->vals
, record
);
82 return ERROR_FUNCTION_FAILED
;
84 for ( i
=0; i
<row_count
; i
++ )
86 r
= wv
->ops
->set_row( wv
, i
, values
, (1 << col_count
) - 1 );
87 if (r
!= ERROR_SUCCESS
)
91 msiobj_release( &values
->hdr
);
97 static UINT
UPDATE_close( struct tagMSIVIEW
*view
)
99 MSIUPDATEVIEW
*uv
= (MSIUPDATEVIEW
*)view
;
106 return ERROR_FUNCTION_FAILED
;
108 return wv
->ops
->close( wv
);
111 static UINT
UPDATE_get_dimensions( struct tagMSIVIEW
*view
, UINT
*rows
, UINT
*cols
)
113 MSIUPDATEVIEW
*uv
= (MSIUPDATEVIEW
*)view
;
116 TRACE("%p %p %p\n", uv
, rows
, cols
);
120 return ERROR_FUNCTION_FAILED
;
122 return wv
->ops
->get_dimensions( wv
, rows
, cols
);
125 static UINT
UPDATE_get_column_info( struct tagMSIVIEW
*view
,
126 UINT n
, LPWSTR
*name
, UINT
*type
)
128 MSIUPDATEVIEW
*uv
= (MSIUPDATEVIEW
*)view
;
131 TRACE("%p %d %p %p\n", uv
, n
, name
, type
);
135 return ERROR_FUNCTION_FAILED
;
137 return wv
->ops
->get_column_info( wv
, n
, name
, type
);
140 static UINT
UPDATE_modify( struct tagMSIVIEW
*view
, MSIMODIFY eModifyMode
,
143 MSIUPDATEVIEW
*uv
= (MSIUPDATEVIEW
*)view
;
145 TRACE("%p %d %p\n", uv
, eModifyMode
, rec
);
147 return ERROR_FUNCTION_FAILED
;
150 static UINT
UPDATE_delete( struct tagMSIVIEW
*view
)
152 MSIUPDATEVIEW
*uv
= (MSIUPDATEVIEW
*)view
;
159 wv
->ops
->delete( wv
);
160 msiobj_release( &uv
->db
->hdr
);
163 return ERROR_SUCCESS
;
166 static UINT
UPDATE_find_matching_rows( struct tagMSIVIEW
*view
, UINT col
, UINT val
, UINT
*row
, MSIITERHANDLE
*handle
)
168 TRACE("%p %d %d %p\n", view
, col
, val
, *handle
);
170 return ERROR_FUNCTION_FAILED
;
174 static const MSIVIEWOPS update_ops
=
183 UPDATE_get_dimensions
,
184 UPDATE_get_column_info
,
187 UPDATE_find_matching_rows
,
192 UINT
UPDATE_CreateView( MSIDATABASE
*db
, MSIVIEW
**view
, LPCWSTR table
,
193 column_info
*columns
, struct expr
*expr
)
195 MSIUPDATEVIEW
*uv
= NULL
;
197 MSIVIEW
*tv
= NULL
, *sv
= NULL
, *wv
= NULL
;
201 r
= TABLE_CreateView( db
, table
, &tv
);
202 if( r
!= ERROR_SUCCESS
)
207 /* add conditions first */
208 r
= WHERE_CreateView( db
, &wv
, tv
, expr
);
209 if( r
!= ERROR_SUCCESS
)
211 tv
->ops
->delete( tv
);
218 /* then select the columns we want */
219 r
= SELECT_CreateView( db
, &sv
, wv
, columns
);
220 if( r
!= ERROR_SUCCESS
)
222 wv
->ops
->delete( wv
);
226 uv
= msi_alloc_zero( sizeof *uv
);
228 return ERROR_FUNCTION_FAILED
;
230 /* fill the structure */
231 uv
->view
.ops
= &update_ops
;
232 msiobj_addref( &db
->hdr
);
236 *view
= (MSIVIEW
*) uv
;
238 return ERROR_SUCCESS
;