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