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 "wine/unicode.h"
  28 #include "msi.h"
  29 #include "msiquery.h"
  30 #include "objbase.h"
  31 #include "objidl.h"
  32 #include "msipriv.h"
  33 #include "winnls.h"
  34
  35 #include "query.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
  38
  39
  40 /* below is the query interface to a table */
  41
  42 typedef struct tagMSICREATEVIEW
  43 {
  44     MSIVIEW          view;
  45     MSIDATABASE     *db;
  46     LPCWSTR          name;
  47     BOOL             bIsTemp;
  48     BOOL             hold;
  49     column_info     *col_info;
  50 } MSICREATEVIEW;
  51
  52 static UINT CREATE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
  53 {
  54     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  55
  56     TRACE("%p %d %d %p\n", cv, row, col, val );
  57
  58     return ERROR_FUNCTION_FAILED;
  59 }
  60
  61 static UINT CREATE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
  62 {
  63     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  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 );
  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, UINT n, LPCWSTR *name,
  94                                     UINT *type, BOOL *temporary, LPCWSTR *table_name )
  95 {
  96     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  97
  98     TRACE("%p %d %p %p %p %p\n", cv, n, name, type, temporary, table_name );
  99
 100     return ERROR_FUNCTION_FAILED;
 101 }
 102
 103 static UINT CREATE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
 104                            MSIRECORD *rec, UINT row)
 105 {
 106     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 107
 108     TRACE("%p %d %p\n", cv, eModifyMode, rec );
 109
 110     return ERROR_FUNCTION_FAILED;
 111 }
 112
 113 static UINT CREATE_delete( struct tagMSIVIEW *view )
 114 {
 115     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 116
 117     TRACE("%p\n", cv );
 118
 119     msiobj_release( &cv->db->hdr );
 120     msi_free( cv );
 121
 122     return ERROR_SUCCESS;
 123 }
 124
 125 static const MSIVIEWOPS create_ops =
 126 {
 127     CREATE_fetch_int,
 128     NULL,
 129     NULL,
 130     NULL,
 131     NULL,
 132     NULL,
 133     CREATE_execute,
 134     CREATE_close,
 135     CREATE_get_dimensions,
 136     CREATE_get_column_info,
 137     CREATE_modify,
 138     CREATE_delete,
 139     NULL,
 140     NULL,
 141     NULL,
 142     NULL,
 143     NULL,
 144     NULL,
 145     NULL,
 146 };
 147
 148 static UINT check_columns( const column_info *col_info )
 149 {
 150     const column_info *c1, *c2;
 151
 152     /* check for two columns with the same name */
 153     for( c1 = col_info; c1; c1 = c1->next )
 154         for( c2 = c1->next; c2; c2 = c2->next )
 155             if (!strcmpW( c1->column, c2->column ))
 156                 return ERROR_BAD_QUERY_SYNTAX;
 157
 158     return ERROR_SUCCESS;
 159 }
 160
 161 UINT CREATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR table,
 162                         column_info *col_info, BOOL hold )
 163 {
 164     MSICREATEVIEW *cv = NULL;
 165     UINT r;
 166     column_info *col;
 167     BOOL temp = TRUE;
 168     BOOL tempprim = FALSE;
 169
 170     TRACE("%p\n", cv );
 171
 172     r = check_columns( col_info );
 173     if( r != ERROR_SUCCESS )
 174         return r;
 175
 176     cv = msi_alloc_zero( sizeof *cv );
 177     if( !cv )
 178         return ERROR_FUNCTION_FAILED;
 179
 180     for( col = col_info; col; col = col->next )
 181     {
 182         if (!col->table)
 183             col->table = table;
 184
 185         if( !col->temporary )
 186             temp = FALSE;
 187         else if ( col->type & MSITYPE_KEY )
 188             tempprim = TRUE;
 189     }
 190
 191     if ( !temp && tempprim )
 192     {
 193         msi_free( cv );
 194         return ERROR_FUNCTION_FAILED;
 195     }
 196
 197     /* fill the structure */
 198     cv->view.ops = &create_ops;
 199     msiobj_addref( &db->hdr );
 200     cv->db = db;
 201     cv->name = table;
 202     cv->col_info = col_info;
 203     cv->bIsTemp = temp;
 204     cv->hold = hold;
 205     *view = (MSIVIEW*) cv;
 206
 207     return ERROR_SUCCESS;
 208 }