reactos/dll/win32/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 "msipriv.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
  24
  25 /* below is the query interface to a table */
  26
  27 typedef struct tagMSICREATEVIEW
  28 {
  29     MSIVIEW          view;
  30     MSIDATABASE     *db;
  31     LPCWSTR          name;
  32     BOOL             bIsTemp;
  33     BOOL             hold;
  34     column_info     *col_info;
  35 } MSICREATEVIEW;
  36
  37 static UINT CREATE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
  38 {
  39     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  40
  41     TRACE("%p %d %d %p\n", cv, row, col, val );
  42
  43     return ERROR_FUNCTION_FAILED;
  44 }
  45
  46 static UINT CREATE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
  47 {
  48     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  49     BOOL persist = (cv->bIsTemp) ? MSICONDITION_FALSE : MSICONDITION_TRUE;
  50
  51     TRACE("%p Table %s (%s)\n", cv, debugstr_w(cv->name),
  52           cv->bIsTemp?"temporary":"permanent");
  53
  54     if (cv->bIsTemp && !cv->hold)
  55         return ERROR_SUCCESS;
  56
  57     return msi_create_table( cv->db, cv->name, cv->col_info, persist );
  58 }
  59
  60 static UINT CREATE_close( struct tagMSIVIEW *view )
  61 {
  62     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  63
  64     TRACE("%p\n", cv);
  65
  66     return ERROR_SUCCESS;
  67 }
  68
  69 static UINT CREATE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
  70 {
  71     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  72
  73     TRACE("%p %p %p\n", cv, rows, cols );
  74
  75     return ERROR_FUNCTION_FAILED;
  76 }
  77
  78 static UINT CREATE_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
  79                                     UINT *type, BOOL *temporary, LPCWSTR *table_name )
  80 {
  81     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  82
  83     TRACE("%p %d %p %p %p %p\n", cv, n, name, type, temporary, table_name );
  84
  85     return ERROR_FUNCTION_FAILED;
  86 }
  87
  88 static UINT CREATE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
  89                            MSIRECORD *rec, UINT row)
  90 {
  91     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  92
  93     TRACE("%p %d %p\n", cv, eModifyMode, rec );
  94
  95     return ERROR_FUNCTION_FAILED;
  96 }
  97
  98 static UINT CREATE_delete( struct tagMSIVIEW *view )
  99 {
 100     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 101
 102     TRACE("%p\n", cv );
 103
 104     msiobj_release( &cv->db->hdr );
 105     msi_free( cv );
 106
 107     return ERROR_SUCCESS;
 108 }
 109
 110 static const MSIVIEWOPS create_ops =
 111 {
 112     CREATE_fetch_int,
 113     NULL,
 114     NULL,
 115     NULL,
 116     NULL,
 117     NULL,
 118     CREATE_execute,
 119     CREATE_close,
 120     CREATE_get_dimensions,
 121     CREATE_get_column_info,
 122     CREATE_modify,
 123     CREATE_delete,
 124     NULL,
 125     NULL,
 126     NULL,
 127     NULL,
 128     NULL,
 129     NULL,
 130     NULL,
 131 };
 132
 133 static UINT check_columns( const column_info *col_info )
 134 {
 135     const column_info *c1, *c2;
 136
 137     /* check for two columns with the same name */
 138     for( c1 = col_info; c1; c1 = c1->next )
 139         for( c2 = c1->next; c2; c2 = c2->next )
 140             if (!strcmpW( c1->column, c2->column ))
 141                 return ERROR_BAD_QUERY_SYNTAX;
 142
 143     return ERROR_SUCCESS;
 144 }
 145
 146 UINT CREATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR table,
 147                         column_info *col_info, BOOL hold )
 148 {
 149     MSICREATEVIEW *cv = NULL;
 150     UINT r;
 151     column_info *col;
 152     BOOL temp = TRUE;
 153     BOOL tempprim = FALSE;
 154
 155     TRACE("%p\n", cv );
 156
 157     r = check_columns( col_info );
 158     if( r != ERROR_SUCCESS )
 159         return r;
 160
 161     cv = msi_alloc_zero( sizeof *cv );
 162     if( !cv )
 163         return ERROR_FUNCTION_FAILED;
 164
 165     for( col = col_info; col; col = col->next )
 166     {
 167         if (!col->table)
 168             col->table = table;
 169
 170         if( !col->temporary )
 171             temp = FALSE;
 172         else if ( col->type & MSITYPE_KEY )
 173             tempprim = TRUE;
 174     }
 175
 176     if ( !temp && tempprim )
 177     {
 178         msi_free( cv );
 179         return ERROR_FUNCTION_FAILED;
 180     }
 181
 182     /* fill the structure */
 183     cv->view.ops = &create_ops;
 184     msiobj_addref( &db->hdr );
 185     cv->db = db;
 186     cv->name = table;
 187     cv->col_info = col_info;
 188     cv->bIsTemp = temp;
 189     cv->hold = hold;
 190     *view = (MSIVIEW*) cv;
 191
 192     return ERROR_SUCCESS;
 193 }