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     MSITABLE *table;
  65     BOOL persist = (cv->bIsTemp) ? MSICONDITION_FALSE : MSICONDITION_TRUE;
  66
  67     TRACE("%p Table %s (%s)\n", cv, debugstr_w(cv->name),
  68           cv->bIsTemp?"temporary":"permanent");
  69
  70     if (cv->bIsTemp && !cv->hold)
  71         return ERROR_SUCCESS;
  72
  73     return msi_create_table( cv->db, cv->name, cv->col_info, persist, &table);
  74 }
  75
  76 static UINT CREATE_close( struct tagMSIVIEW *view )
  77 {
  78     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  79
  80     TRACE("%p\n", cv);
  81
  82     return ERROR_SUCCESS;
  83 }
  84
  85 static UINT CREATE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
  86 {
  87     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  88
  89     TRACE("%p %p %p\n", cv, rows, cols );
  90
  91     return ERROR_FUNCTION_FAILED;
  92 }
  93
  94 static UINT CREATE_get_column_info( struct tagMSIVIEW *view,
  95                 UINT n, LPWSTR *name, UINT *type, BOOL *temporary,
  96                 LPWSTR *table_name)
  97 {
  98     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
  99
 100     TRACE("%p %d %p %p %p %p\n", cv, n, name, type, temporary, table_name );
 101
 102     return ERROR_FUNCTION_FAILED;
 103 }
 104
 105 static UINT CREATE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
 106                            MSIRECORD *rec, UINT row)
 107 {
 108     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 109
 110     TRACE("%p %d %p\n", cv, eModifyMode, rec );
 111
 112     return ERROR_FUNCTION_FAILED;
 113 }
 114
 115 static UINT CREATE_delete( struct tagMSIVIEW *view )
 116 {
 117     MSICREATEVIEW *cv = (MSICREATEVIEW*)view;
 118
 119     TRACE("%p\n", cv );
 120
 121     msiobj_release( &cv->db->hdr );
 122     msi_free( cv );
 123
 124     return ERROR_SUCCESS;
 125 }
 126
 127 static const MSIVIEWOPS create_ops =
 128 {
 129     CREATE_fetch_int,
 130     NULL,
 131     NULL,
 132     NULL,
 133     NULL,
 134     NULL,
 135     CREATE_execute,
 136     CREATE_close,
 137     CREATE_get_dimensions,
 138     CREATE_get_column_info,
 139     CREATE_modify,
 140     CREATE_delete,
 141     NULL,
 142     NULL,
 143     NULL,
 144     NULL,
 145     NULL,
 146     NULL,
 147     NULL,
 148 };
 149
 150 static UINT check_columns( const column_info *col_info )
 151 {
 152     const column_info *c1, *c2;
 153
 154     /* check for two columns with the same name */
 155     for( c1 = col_info; c1; c1 = c1->next )
 156         for( c2 = c1->next; c2; c2 = c2->next )
 157             if (!strcmpW( c1->column, c2->column ))
 158                 return ERROR_BAD_QUERY_SYNTAX;
 159
 160     return ERROR_SUCCESS;
 161 }
 162
 163 UINT CREATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR table,
 164                         column_info *col_info, BOOL hold )
 165 {
 166     MSICREATEVIEW *cv = NULL;
 167     UINT r;
 168     column_info *col;
 169     BOOL temp = TRUE;
 170     BOOL tempprim = FALSE;
 171
 172     TRACE("%p\n", cv );
 173
 174     r = check_columns( col_info );
 175     if( r != ERROR_SUCCESS )
 176         return r;
 177
 178     cv = msi_alloc_zero( sizeof *cv );
 179     if( !cv )
 180         return ERROR_FUNCTION_FAILED;
 181
 182     for( col = col_info; col; col = col->next )
 183     {
 184         if (!col->table)
 185             col->table = table;
 186
 187         if( !col->temporary )
 188             temp = FALSE;
 189         else if ( col->type & MSITYPE_KEY )
 190             tempprim = TRUE;
 191     }
 192
 193     if ( !temp && tempprim )
 194     {
 195         msi_free( cv );
 196         return ERROR_FUNCTION_FAILED;
 197     }
 198
 199     /* fill the structure */
 200     cv->view.ops = &create_ops;
 201     msiobj_addref( &db->hdr );
 202     cv->db = db;
 203     cv->name = table;
 204     cv->col_info = col_info;
 205     cv->bIsTemp = temp;
 206     cv->hold = hold;
 207     *view = (MSIVIEW*) cv;
 208
 209     return ERROR_SUCCESS;
 210 }