dlls/msi/create.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2002-2004 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 tagMSICREATEVIEW
  42 {
  43     MSIVIEW          view;
  44     MSIDATABASE     *db;
  45     LPWSTR           name;
  46     BOOL             bIsTemp;
  47     column_info     *col_info;
  48 } MSICREATEVIEW;
  49
  50 static UINT CREATE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
  51 {
  52     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  53
  54     TRACE("%p %d %d %p\n", cv, row, col, val );
  55
  56     return ERROR_FUNCTION_FAILED;
  57 }
  58
  59 static UINT CREATE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
  60 {
  61     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  62     column_info *col;
  63     UINT r, nField;
  64     static const WCHAR szTables[] =  { '_','T','a','b','l','e','s',0 };
  65     static const WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
  66     MSIVIEW *tv = NULL;
  67     MSIRECORD *rec = NULL;
  68
  69     TRACE("%p Table %s (%s)\n", cv, debugstr_w(cv->name),
  70           cv->bIsTemp?"temporary":"permanent");
  71
  72     /* only add tables that don't exist already */
  73     if( TABLE_Exists(cv->db, cv->name ) )
  74         return ERROR_BAD_QUERY_SYNTAX;
  75
  76     r = TABLE_CreateView( cv->db, szTables, &tv );
  77     TRACE("CreateView returned %x\n", r);
  78     if( r )
  79         return r;
  80
  81     r = tv->ops->execute( tv, 0 );
  82     TRACE("tv execute returned %x\n", r);
  83     if( r )
  84         goto err;
  85
  86     rec = MSI_CreateRecord( 1 );
  87     if( !rec )
  88         goto err;
  89
  90     r = MSI_RecordSetStringW( rec, 1, cv->name );
  91     if( r )
  92         goto err;
  93
  94     r = tv->ops->insert_row( tv, rec );
  95     TRACE("insert_row returned %x\n", r);
  96     if( r )
  97         goto err;
  98
  99     tv->ops->delete( tv );
 100     tv = NULL;
 101
 102     msiobj_release( &rec->hdr );
 103
 104     /* add each column to the _Columns table */
 105     r = TABLE_CreateView( cv->db, szColumns, &tv );
 106     if( r )
 107         return r;
 108
 109     r = tv->ops->execute( tv, 0 );
 110     TRACE("tv execute returned %x\n", r);
 111     if( r )
 112         goto err;
 113
 114     rec = MSI_CreateRecord( 4 );
 115     if( !rec )
 116         goto err;
 117
 118     r = MSI_RecordSetStringW( rec, 1, cv->name );
 119     if( r )
 120         goto err;
 121
 122     /*
 123      * need to set the table, column number, col name and type
 124      * for each column we enter in the table
 125      */
 126     nField = 1;
 127     for( col = cv->col_info; col; col = col->next )
 128     {
 129         r = MSI_RecordSetInteger( rec, 2, nField );
 130         if( r )
 131             goto err;
 132
 133         r = MSI_RecordSetStringW( rec, 3, col->column );
 134         if( r )
 135             goto err;
 136
 137         r = MSI_RecordSetInteger( rec, 4, col->type );
 138         if( r )
 139             goto err;
 140
 141         r = tv->ops->insert_row( tv, rec );
 142         if( r )
 143             goto err;
 144
 145         nField++;
 146     }
 147     if( !col )
 148         r = ERROR_SUCCESS;
 149
 150 err:
 151     if (rec)
 152         msiobj_release( &rec->hdr );
 153     /* FIXME: remove values from the string table on error */
 154     if( tv )
 155         tv->ops->delete( tv );
 156     return r;
 157 }
 158
 159 static UINT CREATE_close( struct tagMSIVIEW *view )
 160 {
 161     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 162
 163     TRACE("%p\n", cv);
 164
 165     return ERROR_SUCCESS;
 166 }
 167
 168 static UINT CREATE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
 169 {
 170     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 171
 172     TRACE("%p %p %p\n", cv, rows, cols );
 173
 174     return ERROR_FUNCTION_FAILED;
 175 }
 176
 177 static UINT CREATE_get_column_info( struct tagMSIVIEW *view,
 178                 UINT n, LPWSTR *name, UINT *type )
 179 {
 180     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 181
 182     TRACE("%p %d %p %p\n", cv, n, name, type );
 183
 184     return ERROR_FUNCTION_FAILED;
 185 }
 186
 187 static UINT CREATE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
 188                 MSIRECORD *rec)
 189 {
 190     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 191
 192     TRACE("%p %d %p\n", cv, eModifyMode, rec );
 193
 194     return ERROR_FUNCTION_FAILED;
 195 }
 196
 197 static UINT CREATE_delete( struct tagMSIVIEW *view )
 198 {
 199     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 200
 201     TRACE("%p\n", cv );
 202
 203     msiobj_release( &cv->db->hdr );
 204     msi_free( cv );
 205
 206     return ERROR_SUCCESS;
 207 }
 208
 209
 210 MSIVIEWOPS create_ops =
 211 {
 212     CREATE_fetch_int,
 213     NULL,
 214     NULL,
 215     NULL,
 216     CREATE_execute,
 217     CREATE_close,
 218     CREATE_get_dimensions,
 219     CREATE_get_column_info,
 220     CREATE_modify,
 221     CREATE_delete
 222 };
 223
 224 UINT CREATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR table,
 225                         column_info *col_info, BOOL temp )
 226 {
 227     MSICREATEVIEW *cv = NULL;
 228
 229     TRACE("%p\n", cv );
 230
 231     cv = msi_alloc_zero( sizeof *cv );
 232     if( !cv )
 233         return ERROR_FUNCTION_FAILED;
 234
 235     /* fill the structure */
 236     cv->view.ops = &create_ops;
 237     msiobj_addref( &db->hdr );
 238     cv->db = db;
 239     cv->name = table;
 240     cv->col_info = col_info;
 241     cv->bIsTemp = temp;
 242     *view = (MSIVIEW*) cv;
 243
 244     return ERROR_SUCCESS;
 245 }