reactos/dll/win32/msi/insert.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2004 Mike McCormack for CodeWeavers
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winerror.h"
  26 #include "wine/debug.h"
  27 #include "msi.h"
  28 #include "msiquery.h"
  29 #include "objbase.h"
  30 #include "objidl.h"
  31 #include "msipriv.h"
  32 #include "winnls.h"
  33
  34 #include "query.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
  37
  38
  39 /* below is the query interface to a table */
  40
  41 typedef struct tagMSIINSERTVIEW
  42 {
  43     MSIVIEW          view;
  44     MSIDATABASE     *db;
  45     BOOL             bIsTemp;
  46     MSIVIEW         *sv;
  47     column_info     *vals;
  48 } MSIINSERTVIEW;
  49
  50 static UINT INSERT_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
  51 {
  52     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
  53
  54     TRACE("%p %d %d %p\n", iv, row, col, val );
  55
  56     return ERROR_FUNCTION_FAILED;
  57 }
  58
  59 /*
  60  * INSERT_merge_record
  61  *
  62  * Merge a value_list and a record to create a second record.
  63  * Replace wildcard entries in the valuelist with values from the record
  64  */
  65 static MSIRECORD *INSERT_merge_record( UINT fields, column_info *vl, MSIRECORD *rec )
  66 {
  67     MSIRECORD *merged;
  68     DWORD wildcard_count = 1, i;
  69     const WCHAR *str;
  70
  71     merged = MSI_CreateRecord( fields );
  72     for( i=1; i <= fields; i++ )
  73     {
  74         if( !vl )
  75         {
  76             TRACE("Not enough elements in the list to insert\n");
  77             goto err;
  78         }
  79         switch( vl->val->type )
  80         {
  81         case EXPR_SVAL:
  82             TRACE("field %ld -> %s\n", i, debugstr_w(vl->val->u.sval));
  83             MSI_RecordSetStringW( merged, i, vl->val->u.sval );
  84             break;
  85         case EXPR_IVAL:
  86             MSI_RecordSetInteger( merged, i, vl->val->u.ival );
  87             break;
  88         case EXPR_WILDCARD:
  89             if( !rec )
  90                 goto err;
  91             if( MSI_RecordIsNull( rec, wildcard_count ) )
  92                 goto err;
  93             str = MSI_RecordGetString( rec, wildcard_count );
  94             MSI_RecordSetStringW( merged, i, str );
  95             wildcard_count++;
  96             break;
  97         default:
  98             ERR("Unknown expression type %d\n", vl->val->type);
  99         }
 100         vl = vl->next;
 101     }
 102
 103     return merged;
 104 err:
 105     msiobj_release( &merged->hdr );
 106     return NULL;
 107 }
 108
 109 static UINT INSERT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
 110 {
 111     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 112     UINT r, col_count = 0;
 113     MSIVIEW *sv;
 114     MSIRECORD *values = NULL;
 115
 116     TRACE("%p %p\n", iv, record );
 117
 118     sv = iv->sv;
 119     if( !sv )
 120         return ERROR_FUNCTION_FAILED;
 121
 122     r = sv->ops->execute( sv, 0 );
 123     TRACE("tv execute returned %x\n", r);
 124     if( r )
 125         return r;
 126
 127     r = sv->ops->get_dimensions( sv, NULL, &col_count );
 128     if( r )
 129         goto err;
 130
 131     /*
 132      * Merge the wildcard values into the list of values provided
 133      * in the query, and create a record containing both.
 134      */
 135     values = INSERT_merge_record( col_count, iv->vals, record );
 136     if( !values )
 137         goto err;
 138
 139     r = sv->ops->insert_row( sv, values );
 140
 141 err:
 142     if( values )
 143         msiobj_release( &values->hdr );
 144
 145     return r;
 146 }
 147
 148
 149 static UINT INSERT_close( struct tagMSIVIEW *view )
 150 {
 151     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 152     MSIVIEW *sv;
 153
 154     TRACE("%p\n", iv);
 155
 156     sv = iv->sv;
 157     if( !sv )
 158         return ERROR_FUNCTION_FAILED;
 159
 160     return sv->ops->close( sv );
 161 }
 162
 163 static UINT INSERT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
 164 {
 165     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 166     MSIVIEW *sv;
 167
 168     TRACE("%p %p %p\n", iv, rows, cols );
 169
 170     sv = iv->sv;
 171     if( !sv )
 172         return ERROR_FUNCTION_FAILED;
 173
 174     return sv->ops->get_dimensions( sv, rows, cols );
 175 }
 176
 177 static UINT INSERT_get_column_info( struct tagMSIVIEW *view,
 178                 UINT n, LPWSTR *name, UINT *type )
 179 {
 180     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 181     MSIVIEW *sv;
 182
 183     TRACE("%p %d %p %p\n", iv, n, name, type );
 184
 185     sv = iv->sv;
 186     if( !sv )
 187         return ERROR_FUNCTION_FAILED;
 188
 189     return sv->ops->get_column_info( sv, n, name, type );
 190 }
 191
 192 static UINT INSERT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec)
 193 {
 194     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 195
 196     TRACE("%p %d %p\n", iv, eModifyMode, rec );
 197
 198     return ERROR_FUNCTION_FAILED;
 199 }
 200
 201 static UINT INSERT_delete( struct tagMSIVIEW *view )
 202 {
 203     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 204     MSIVIEW *sv;
 205
 206     TRACE("%p\n", iv );
 207
 208     sv = iv->sv;
 209     if( sv )
 210         sv->ops->delete( sv );
 211     msiobj_release( &iv->db->hdr );
 212     msi_free( iv );
 213
 214     return ERROR_SUCCESS;
 215 }
 216
 217
 218 MSIVIEWOPS insert_ops =
 219 {
 220     INSERT_fetch_int,
 221     NULL,
 222     NULL,
 223     NULL,
 224     INSERT_execute,
 225     INSERT_close,
 226     INSERT_get_dimensions,
 227     INSERT_get_column_info,
 228     INSERT_modify,
 229     INSERT_delete
 230 };
 231
 232 UINT INSERT_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR table,
 233                         column_info *columns, column_info *values, BOOL temp )
 234 {
 235     MSIINSERTVIEW *iv = NULL;
 236     UINT r;
 237     MSIVIEW *tv = NULL, *sv = NULL;
 238
 239     TRACE("%p\n", iv );
 240
 241     r = TABLE_CreateView( db, table, &tv );
 242     if( r != ERROR_SUCCESS )
 243         return r;
 244
 245     r = SELECT_CreateView( db, &sv, tv, columns );
 246     if( r != ERROR_SUCCESS )
 247     {
 248         if( tv )
 249             tv->ops->delete( tv );
 250         return r;
 251     }
 252
 253     iv = msi_alloc_zero( sizeof *iv );
 254     if( !iv )
 255         return ERROR_FUNCTION_FAILED;
 256
 257     /* fill the structure */
 258     iv->view.ops = &insert_ops;
 259     msiobj_addref( &db->hdr );
 260     iv->db = db;
 261     iv->vals = values;
 262     iv->bIsTemp = temp;
 263     iv->sv = sv;
 264     *view = (MSIVIEW*) iv;
 265
 266     return ERROR_SUCCESS;
 267 }