Sweden-Number/dlls/msi/alter.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2006 Mike McCormack
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "wine/debug.h"
#include "msi.h"
#include "msiquery.h"
#include "objbase.h"
#include "objidl.h"
#include "msipriv.h"
#include "query.h"
WINE_DEFAULT_DEBUG_CHANNEL(msidb);
typedef struct tagMSIALTERVIEW
{
MSIVIEW view;
MSIDATABASE *db;
MSIVIEW *table;
column_info *colinfo;
INT hold;
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} MSIALTERVIEW;
static UINT ALTER_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
{
MSIALTERVIEW *av = (MSIALTERVIEW*)view;
TRACE("%p %d %d %p\n", av, row, col, val );
return ERROR_FUNCTION_FAILED;
}
static UINT ALTER_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
{
MSIALTERVIEW *av = (MSIALTERVIEW*)view;
TRACE("%p %d %d %p\n", av, row, col, stm );
return ERROR_FUNCTION_FAILED;
}
static UINT ALTER_execute( struct tagMSIVIEW *view, MSIRECORD *record )
{
MSIALTERVIEW *av = (MSIALTERVIEW*)view;
UINT ref;
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TRACE("%p %p\n", av, record);
if (av->colinfo)
return av->table->ops->add_column(av->table, av->colinfo->column,
av->colinfo->type, av->hold == 1);
if (av->hold == 1)
av->table->ops->add_ref(av->table);
else if (av->hold == -1)
{
ref = av->table->ops->release(av->table);
if (ref == 0)
av->table = NULL;
}
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return ERROR_SUCCESS;
}
static UINT ALTER_close( struct tagMSIVIEW *view )
{
MSIALTERVIEW *av = (MSIALTERVIEW*)view;
TRACE("%p\n", av );
return ERROR_SUCCESS;
}
static UINT ALTER_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
{
MSIALTERVIEW *av = (MSIALTERVIEW*)view;
TRACE("%p %p %p\n", av, rows, cols );
return ERROR_FUNCTION_FAILED;
}
static UINT ALTER_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
UINT *type, BOOL *temporary, LPCWSTR *table_name )
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{
MSIALTERVIEW *av = (MSIALTERVIEW*)view;
TRACE("%p %d %p %p %p %p\n", av, n, name, type, temporary, table_name );
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return ERROR_FUNCTION_FAILED;
}
static UINT ALTER_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
MSIRECORD *rec, UINT row )
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{
MSIALTERVIEW *av = (MSIALTERVIEW*)view;
TRACE("%p %d %p\n", av, eModifyMode, rec );
return ERROR_FUNCTION_FAILED;
}
static UINT ALTER_delete( struct tagMSIVIEW *view )
{
MSIALTERVIEW *av = (MSIALTERVIEW*)view;
TRACE("%p\n", av );
if (av->table)
av->table->ops->delete( av->table );
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msi_free( av );
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return ERROR_SUCCESS;
}
static const MSIVIEWOPS alter_ops =
{
ALTER_fetch_int,
ALTER_fetch_stream,
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NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
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ALTER_execute,
ALTER_close,
ALTER_get_dimensions,
ALTER_get_column_info,
ALTER_modify,
ALTER_delete,
NULL,
NULL,
NULL,
NULL,
NULL,
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};
UINT ALTER_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR name, column_info *colinfo, int hold )
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{
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MSIALTERVIEW *av;
UINT r;
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TRACE("%p %p %s %d\n", view, colinfo, debugstr_w(name), hold );
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av = msi_alloc_zero( sizeof *av );
if( !av )
return ERROR_FUNCTION_FAILED;
r = TABLE_CreateView( db, name, &av->table );
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if (r != ERROR_SUCCESS)
{
msi_free( av );
return r;
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}
if (colinfo)
colinfo->table = name;
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/* fill the structure */
av->view.ops = &alter_ops;
av->db = db;
av->hold = hold;
av->colinfo = colinfo;
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*view = &av->view;
return ERROR_SUCCESS;
}