dlls/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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  * msi_query_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 MSIRECORD *msi_query_merge_record( UINT fields, column_info *vl, MSIRECORD *rec )
  66 {
  67     MSIRECORD *merged;
  68     DWORD wildcard_count = 1, i;
  69
  70     merged = MSI_CreateRecord( fields );
  71     for( i=1; i <= fields; i++ )
  72     {
  73         if( !vl )
  74         {
  75             TRACE("Not enough elements in the list to insert\n");
  76             goto err;
  77         }
  78         switch( vl->val->type )
  79         {
  80         case EXPR_SVAL:
  81             TRACE("field %d -> %s\n", i, debugstr_w(vl->val->u.sval));
  82             MSI_RecordSetStringW( merged, i, vl->val->u.sval );
  83             break;
  84         case EXPR_IVAL:
  85             MSI_RecordSetInteger( merged, i, vl->val->u.ival );
  86             break;
  87         case EXPR_WILDCARD:
  88             if( !rec )
  89                 goto err;
  90             MSI_RecordCopyField( rec, wildcard_count, merged, i );
  91             wildcard_count++;
  92             break;
  93         default:
  94             ERR("Unknown expression type %d\n", vl->val->type);
  95         }
  96         vl = vl->next;
  97     }
  98
  99     return merged;
 100 err:
 101     msiobj_release( &merged->hdr );
 102     return NULL;
 103 }
 104
 105 static UINT INSERT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
 106 {
 107     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 108     UINT r, col_count = 0;
 109     MSIVIEW *sv;
 110     MSIRECORD *values = NULL;
 111
 112     TRACE("%p %p\n", iv, record );
 113
 114     sv = iv->sv;
 115     if( !sv )
 116         return ERROR_FUNCTION_FAILED;
 117
 118     r = sv->ops->execute( sv, 0 );
 119     TRACE("tv execute returned %x\n", r);
 120     if( r )
 121         return r;
 122
 123     r = sv->ops->get_dimensions( sv, NULL, &col_count );
 124     if( r )
 125         goto err;
 126
 127     /*
 128      * Merge the wildcard values into the list of values provided
 129      * in the query, and create a record containing both.
 130      */
 131     values = msi_query_merge_record( col_count, iv->vals, record );
 132     if( !values )
 133         goto err;
 134
 135     r = sv->ops->insert_row( sv, values );
 136
 137 err:
 138     if( values )
 139         msiobj_release( &values->hdr );
 140
 141     return r;
 142 }
 143
 144
 145 static UINT INSERT_close( struct tagMSIVIEW *view )
 146 {
 147     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 148     MSIVIEW *sv;
 149
 150     TRACE("%p\n", iv);
 151
 152     sv = iv->sv;
 153     if( !sv )
 154         return ERROR_FUNCTION_FAILED;
 155
 156     return sv->ops->close( sv );
 157 }
 158
 159 static UINT INSERT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
 160 {
 161     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 162     MSIVIEW *sv;
 163
 164     TRACE("%p %p %p\n", iv, rows, cols );
 165
 166     sv = iv->sv;
 167     if( !sv )
 168         return ERROR_FUNCTION_FAILED;
 169
 170     return sv->ops->get_dimensions( sv, rows, cols );
 171 }
 172
 173 static UINT INSERT_get_column_info( struct tagMSIVIEW *view,
 174                 UINT n, LPWSTR *name, UINT *type )
 175 {
 176     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 177     MSIVIEW *sv;
 178
 179     TRACE("%p %d %p %p\n", iv, n, name, type );
 180
 181     sv = iv->sv;
 182     if( !sv )
 183         return ERROR_FUNCTION_FAILED;
 184
 185     return sv->ops->get_column_info( sv, n, name, type );
 186 }
 187
 188 static UINT INSERT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec)
 189 {
 190     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 191
 192     TRACE("%p %d %p\n", iv, eModifyMode, rec );
 193
 194     return ERROR_FUNCTION_FAILED;
 195 }
 196
 197 static UINT INSERT_delete( struct tagMSIVIEW *view )
 198 {
 199     MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
 200     MSIVIEW *sv;
 201
 202     TRACE("%p\n", iv );
 203
 204     sv = iv->sv;
 205     if( sv )
 206         sv->ops->delete( sv );
 207     msiobj_release( &iv->db->hdr );
 208     msi_free( iv );
 209
 210     return ERROR_SUCCESS;
 211 }
 212
 213 static UINT INSERT_find_matching_rows( struct tagMSIVIEW *view, UINT col,
 214     UINT val, UINT *row, MSIITERHANDLE *handle )
 215 {
 216     TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
 217
 218     return ERROR_FUNCTION_FAILED;
 219 }
 220
 221
 222 static const MSIVIEWOPS insert_ops =
 223 {
 224     INSERT_fetch_int,
 225     NULL,
 226     NULL,
 227     NULL,
 228     INSERT_execute,
 229     INSERT_close,
 230     INSERT_get_dimensions,
 231     INSERT_get_column_info,
 232     INSERT_modify,
 233     INSERT_delete,
 234     INSERT_find_matching_rows
 235 };
 236
 237 static UINT count_column_info( column_info *ci )
 238 {
 239     UINT n = 0;
 240     for ( ; ci; ci = ci->next )
 241         n++;
 242     return n;
 243 }
 244
 245 UINT INSERT_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR table,
 246                         column_info *columns, column_info *values, BOOL temp )
 247 {
 248     MSIINSERTVIEW *iv = NULL;
 249     UINT r;
 250     MSIVIEW *tv = NULL, *sv = NULL;
 251
 252     TRACE("%p\n", iv );
 253
 254     /* there should be one value for each column */
 255     if ( count_column_info( columns ) != count_column_info(values) )
 256         return ERROR_BAD_QUERY_SYNTAX;
 257
 258     r = TABLE_CreateView( db, table, &tv );
 259     if( r != ERROR_SUCCESS )
 260         return r;
 261
 262     r = SELECT_CreateView( db, &sv, tv, columns );
 263     if( r != ERROR_SUCCESS )
 264     {
 265         if( tv )
 266             tv->ops->delete( tv );
 267         return r;
 268     }
 269
 270     iv = msi_alloc_zero( sizeof *iv );
 271     if( !iv )
 272         return ERROR_FUNCTION_FAILED;
 273
 274     /* fill the structure */
 275     iv->view.ops = &insert_ops;
 276     msiobj_addref( &db->hdr );
 277     iv->db = db;
 278     iv->vals = values;
 279     iv->bIsTemp = temp;
 280     iv->sv = sv;
 281     *view = (MSIVIEW*) iv;
 282
 283     return ERROR_SUCCESS;
 284 }