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 receuved 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 n, type, val, r, row, col_count = 0, row_count = 0;
64 TRACE("%p %p\n", uv, record );
67 return ERROR_FUNCTION_FAILED;
71 return ERROR_FUNCTION_FAILED;
73 r = wv->ops->execute( wv, 0 );
74 TRACE("tv execute returned %x\n", r);
78 r = wv->ops->get_dimensions( wv, &row_count, &col_count );
82 for( row = 0; row < row_count; row++ )
84 for( n = 1; n <= col_count; n++ )
86 r = wv->ops->get_column_info( wv, n, NULL, &type );
90 if( type & MSITYPE_STRING )
92 const WCHAR *str = MSI_RecordGetString( record, n );
93 val = msi_addstringW( uv->db->strings, 0, str, -1, 1 );
97 val = MSI_RecordGetInteger( record, n );
100 r = wv->ops->set_int( wv, row, n, val );
107 return ERROR_SUCCESS;
111 static UINT UPDATE_close( struct tagMSIVIEW *view )
113 MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
120 return ERROR_FUNCTION_FAILED;
122 return wv->ops->close( wv );
125 static UINT UPDATE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
127 MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
130 TRACE("%p %p %p\n", uv, rows, cols );
134 return ERROR_FUNCTION_FAILED;
136 return wv->ops->get_dimensions( wv, rows, cols );
139 static UINT UPDATE_get_column_info( struct tagMSIVIEW *view,
140 UINT n, LPWSTR *name, UINT *type )
142 MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
145 TRACE("%p %d %p %p\n", uv, n, name, type );
149 return ERROR_FUNCTION_FAILED;
151 return wv->ops->get_column_info( wv, n, name, type );
154 static UINT UPDATE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
157 MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
159 TRACE("%p %d %p\n", uv, eModifyMode, rec );
161 return ERROR_FUNCTION_FAILED;
164 static UINT UPDATE_delete( struct tagMSIVIEW *view )
166 MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
173 wv->ops->delete( wv );
174 msiobj_release( &uv->db->hdr );
177 return ERROR_SUCCESS;
180 static UINT UPDATE_find_matching_rows( struct tagMSIVIEW *view, UINT col, UINT val, UINT *row, MSIITERHANDLE *handle )
182 TRACE("%p %d %d %p\n", view, col, val, *handle );
184 return ERROR_FUNCTION_FAILED;
188 static MSIVIEWOPS update_ops =
196 UPDATE_get_dimensions,
197 UPDATE_get_column_info,
200 UPDATE_find_matching_rows
203 UINT UPDATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR table,
204 column_info *columns, struct expr *expr )
206 MSIUPDATEVIEW *uv = NULL;
208 MSIVIEW *tv = NULL, *sv = NULL, *wv = NULL;
212 r = TABLE_CreateView( db, table, &tv );
213 if( r != ERROR_SUCCESS )
216 /* add conditions first */
217 r = WHERE_CreateView( db, &wv, tv, expr );
218 if( r != ERROR_SUCCESS )
220 tv->ops->delete( tv );
224 /* then select the columns we want */
225 r = SELECT_CreateView( db, &sv, wv, columns );
226 if( r != ERROR_SUCCESS )
228 wv->ops->delete( wv );
232 uv = msi_alloc_zero( sizeof *uv );
234 return ERROR_FUNCTION_FAILED;
236 /* fill the structure */
237 uv->view.ops = &update_ops;
238 msiobj_addref( &db->hdr );
242 *view = (MSIVIEW*) uv;
244 return ERROR_SUCCESS;