dlls/msi/drop.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2008 James Hawkins
   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
  33 #include "query.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
  36
  37 struct drop_view
  38 {
  39     MSIVIEW view;
  40     MSIDATABASE *db;
  41     MSIVIEW *table;
  42     column_info *colinfo;
  43     INT hold;
  44 };
  45
  46 static UINT DROP_execute(struct tagMSIVIEW *view, MSIRECORD *record)
  47 {
  48     struct drop_view *dv = (struct drop_view *)view;
  49     UINT r;
  50
  51     TRACE("%p %p\n", dv, record);
  52
  53     if( !dv->table )
  54          return ERROR_FUNCTION_FAILED;
  55
  56     r = dv->table->ops->execute(dv->table, record);
  57     if (r != ERROR_SUCCESS)
  58         return r;
  59
  60     return dv->table->ops->drop(dv->table);
  61 }
  62
  63 static UINT DROP_close(struct tagMSIVIEW *view)
  64 {
  65     struct drop_view *dv = (struct drop_view *)view;
  66
  67     TRACE("%p\n", dv);
  68
  69     return ERROR_SUCCESS;
  70 }
  71
  72 static UINT DROP_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
  73 {
  74     struct drop_view *dv = (struct drop_view *)view;
  75
  76     TRACE("%p %p %p\n", dv, rows, cols);
  77
  78     return ERROR_FUNCTION_FAILED;
  79 }
  80
  81 static UINT DROP_delete( struct tagMSIVIEW *view )
  82 {
  83     struct drop_view *dv = (struct drop_view *)view;
  84
  85     TRACE("%p\n", dv );
  86
  87     if( dv->table )
  88         dv->table->ops->delete( dv->table );
  89
  90     free( dv );
  91
  92     return ERROR_SUCCESS;
  93 }
  94
  95 static const MSIVIEWOPS drop_ops =
  96 {
  97     NULL,
  98     NULL,
  99     NULL,
 100     NULL,
 101     NULL,
 102     NULL,
 103     NULL,
 104     NULL,
 105     DROP_execute,
 106     DROP_close,
 107     DROP_get_dimensions,
 108     NULL,
 109     NULL,
 110     DROP_delete,
 111     NULL,
 112     NULL,
 113     NULL,
 114     NULL,
 115     NULL,
 116 };
 117
 118 UINT DROP_CreateView(MSIDATABASE *db, MSIVIEW **view, LPCWSTR name)
 119 {
 120     struct drop_view *dv;
 121     UINT r;
 122
 123     TRACE("%p %s\n", view, debugstr_w(name));
 124
 125     dv = calloc(1, sizeof *dv);
 126     if(!dv)
 127         return ERROR_FUNCTION_FAILED;
 128
 129     r = TABLE_CreateView(db, name, &dv->table);
 130     if (r != ERROR_SUCCESS)
 131     {
 132         free( dv );
 133         return r;
 134     }
 135
 136     dv->view.ops = &drop_ops;
 137     dv->db = db;
 138
 139     *view = (MSIVIEW *)dv;
 140
 141     return ERROR_SUCCESS;
 142 }