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     LPCWSTR          name;
  46     BOOL             bIsTemp;
  47     BOOL             hold;
  48     column_info     *col_info;
  49 } MSICREATEVIEW;
  50
  51 static UINT CREATE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
  52 {
  53     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  54
  55     TRACE("%p %d %d %p\n", cv, row, col, val );
  56
  57     return ERROR_FUNCTION_FAILED;
  58 }
  59
  60 static UINT CREATE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
  61 {
  62     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  63     MSITABLE *table;
  64     BOOL persist = (cv->bIsTemp) ? MSICONDITION_FALSE : MSICONDITION_TRUE;
  65
  66     TRACE("%p Table %s (%s)\n", cv, debugstr_w(cv->name),
  67           cv->bIsTemp?"temporary":"permanent");
  68
  69     if (cv->bIsTemp && !cv->hold)
  70         return ERROR_SUCCESS;
  71
  72     return msi_create_table( cv->db, cv->name, cv->col_info, persist, &table);
  73 }
  74
  75 static UINT CREATE_close( struct tagMSIVIEW *view )
  76 {
  77     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  78
  79     TRACE("%p\n", cv);
  80
  81     return ERROR_SUCCESS;
  82 }
  83
  84 static UINT CREATE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
  85 {
  86     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  87
  88     TRACE("%p %p %p\n", cv, rows, cols );
  89
  90     return ERROR_FUNCTION_FAILED;
  91 }
  92
  93 static UINT CREATE_get_column_info( struct tagMSIVIEW *view,
  94                 UINT n, LPWSTR *name, UINT *type, BOOL *temporary,
  95                 LPWSTR *table_name)
  96 {
  97     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  98
  99     TRACE("%p %d %p %p %p %p\n", cv, n, name, type, temporary, table_name );
 100
 101     return ERROR_FUNCTION_FAILED;
 102 }
 103
 104 static UINT CREATE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
 105                            MSIRECORD *rec, UINT row)
 106 {
 107     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 108
 109     TRACE("%p %d %p\n", cv, eModifyMode, rec );
 110
 111     return ERROR_FUNCTION_FAILED;
 112 }
 113
 114 static UINT CREATE_delete( struct tagMSIVIEW *view )
 115 {
 116     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 117
 118     TRACE("%p\n", cv );
 119
 120     msiobj_release( &cv->db->hdr );
 121     msi_free( cv );
 122
 123     return ERROR_SUCCESS;
 124 }
 125
 126 static const MSIVIEWOPS create_ops =
 127 {
 128     CREATE_fetch_int,
 129     NULL,
 130     NULL,
 131     NULL,
 132     NULL,
 133     NULL,
 134     CREATE_execute,
 135     CREATE_close,
 136     CREATE_get_dimensions,
 137     CREATE_get_column_info,
 138     CREATE_modify,
 139     CREATE_delete,
 140     NULL,
 141     NULL,
 142     NULL,
 143     NULL,
 144     NULL,
 145     NULL,
 146     NULL,
 147 };
 148
 149 static UINT check_columns( const column_info *col_info )
 150 {
 151     const column_info *c1, *c2;
 152
 153     /* check for two columns with the same name */
 154     for( c1 = col_info; c1; c1 = c1->next )
 155         for( c2 = c1->next; c2; c2 = c2->next )
 156             if (!lstrcmpW(c1->column, c2->column))
 157                 return ERROR_BAD_QUERY_SYNTAX;
 158
 159     return ERROR_SUCCESS;
 160 }
 161
 162 UINT CREATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR table,
 163                         column_info *col_info, BOOL hold )
 164 {
 165     MSICREATEVIEW *cv = NULL;
 166     UINT r;
 167     column_info *col;
 168     BOOL temp = TRUE;
 169     BOOL tempprim = FALSE;
 170
 171     TRACE("%p\n", cv );
 172
 173     r = check_columns( col_info );
 174     if( r != ERROR_SUCCESS )
 175         return r;
 176
 177     cv = msi_alloc_zero( sizeof *cv );
 178     if( !cv )
 179         return ERROR_FUNCTION_FAILED;
 180
 181     for( col = col_info; col; col = col->next )
 182     {
 183         if (!col->table)
 184             col->table = table;
 185
 186         if( !col->temporary )
 187             temp = FALSE;
 188         else if ( col->type & MSITYPE_KEY )
 189             tempprim = TRUE;
 190     }
 191
 192     if ( !temp && tempprim )
 193     {
 194         msi_free( cv );
 195         return ERROR_FUNCTION_FAILED;
 196     }
 197
 198     /* fill the structure */
 199     cv->view.ops = &create_ops;
 200     msiobj_addref( &db->hdr );
 201     cv->db = db;
 202     cv->name = table;
 203     cv->col_info = col_info;
 204     cv->bIsTemp = temp;
 205     cv->hold = hold;
 206     *view = (MSIVIEW*) cv;
 207
 208     return ERROR_SUCCESS;
 209 }