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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(msi);
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_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT val )
87 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
89 TRACE("%p %d %d %04x\n", sv, row, col, val );
92 return ERROR_FUNCTION_FAILED;
94 if( (col==0) || (col>sv->num_cols) )
95 return ERROR_FUNCTION_FAILED;
97 col = sv->cols[ col - 1 ];
99 return sv->table->ops->set_int( sv->table, row, col, val );
102 static UINT SELECT_insert_row( struct tagMSIVIEW *view, UINT *num )
104 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
106 TRACE("%p %p\n", sv, num );
109 return ERROR_FUNCTION_FAILED;
111 return sv->table->ops->insert_row( sv->table, num );
114 static UINT SELECT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
116 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
118 TRACE("%p %p\n", sv, record);
121 return ERROR_FUNCTION_FAILED;
123 return sv->table->ops->execute( sv->table, record );
126 static UINT SELECT_close( struct tagMSIVIEW *view )
128 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
133 return ERROR_FUNCTION_FAILED;
135 return sv->table->ops->close( sv->table );
138 static UINT SELECT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
140 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
142 TRACE("%p %p %p\n", sv, rows, cols );
145 return ERROR_FUNCTION_FAILED;
148 *cols = sv->num_cols;
150 return sv->table->ops->get_dimensions( sv->table, rows, NULL );
153 static UINT SELECT_get_column_info( struct tagMSIVIEW *view,
154 UINT n, LPWSTR *name, UINT *type )
156 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
158 TRACE("%p %d %p %p\n", sv, n, name, type );
161 return ERROR_FUNCTION_FAILED;
163 if( (n==0) || (n>sv->num_cols) )
164 return ERROR_FUNCTION_FAILED;
166 n = sv->cols[ n - 1 ];
168 return sv->table->ops->get_column_info( sv->table, n, name, type );
171 static UINT SELECT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIHANDLE hrec)
173 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
175 TRACE("%p %d %ld\n", sv, eModifyMode, hrec );
178 return ERROR_FUNCTION_FAILED;
180 return sv->table->ops->modify( sv->table, eModifyMode, hrec );
183 static UINT SELECT_delete( struct tagMSIVIEW *view )
185 MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
190 sv->table->ops->delete( sv->table );
192 HeapFree( GetProcessHeap(), 0, sv );
194 return ERROR_SUCCESS;
198 MSIVIEWOPS select_ops =
206 SELECT_get_dimensions,
207 SELECT_get_column_info,
212 static UINT SELECT_AddColumn( MSISELECTVIEW *sv, LPWSTR name )
217 TRACE("%p adding %s\n", sv, debugstr_w( name ) );
219 if( sv->view.ops != &select_ops )
220 return ERROR_FUNCTION_FAILED;
224 return ERROR_FUNCTION_FAILED;
225 if( !table->ops->get_dimensions )
226 return ERROR_FUNCTION_FAILED;
227 if( !table->ops->get_column_info )
228 return ERROR_FUNCTION_FAILED;
230 if( sv->num_cols >= sv->max_cols )
231 return ERROR_FUNCTION_FAILED;
233 r = VIEW_find_column( table, name, &n );
234 if( r != ERROR_SUCCESS )
237 sv->cols[sv->num_cols] = n;
238 TRACE("Translating column %s from %d -> %d\n",
239 debugstr_w( name ), sv->num_cols, n);
243 return ERROR_SUCCESS;
246 UINT SELECT_CreateView( MSIDATABASE *db, MSIVIEW **view, MSIVIEW *table,
247 string_list *columns )
249 MSISELECTVIEW *sv = NULL;
254 r = table->ops->get_dimensions( table, NULL, &count );
255 if( r != ERROR_SUCCESS )
257 ERR("can't get table dimensions\n");
261 sv = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
262 sizeof *sv + count*sizeof (UINT) );
264 return ERROR_FUNCTION_FAILED;
266 /* fill the structure */
267 sv->view.ops = &select_ops;
271 sv->max_cols = count;
275 r = SELECT_AddColumn( sv, columns->string );
278 columns = columns->next;
281 if( r != ERROR_SUCCESS )
283 sv->view.ops->delete( &sv->view );