mirror of
https://github.com/reactos/reactos.git
synced 2024-08-18 09:28:36 +00:00
323 lines
7.6 KiB
C
323 lines
7.6 KiB
C
/*
|
|
* Implementation of the Microsoft Installer (msi.dll)
|
|
*
|
|
* Copyright 2002 Mike McCormack for CodeWeavers
|
|
*
|
|
* 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 "winnls.h"
|
|
|
|
#include "query.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(msidb);
|
|
|
|
typedef struct tagDISTINCTSET
|
|
{
|
|
UINT val;
|
|
UINT count;
|
|
UINT row;
|
|
struct tagDISTINCTSET *nextrow;
|
|
struct tagDISTINCTSET *nextcol;
|
|
} DISTINCTSET;
|
|
|
|
typedef struct tagMSIDISTINCTVIEW
|
|
{
|
|
MSIVIEW view;
|
|
MSIDATABASE *db;
|
|
MSIVIEW *table;
|
|
UINT row_count;
|
|
UINT *translation;
|
|
} MSIDISTINCTVIEW;
|
|
|
|
static DISTINCTSET ** distinct_insert( DISTINCTSET **x, UINT val, UINT row )
|
|
{
|
|
/* horrible O(n) find */
|
|
while( *x )
|
|
{
|
|
if( (*x)->val == val )
|
|
{
|
|
(*x)->count++;
|
|
return x;
|
|
}
|
|
x = &(*x)->nextrow;
|
|
}
|
|
|
|
/* nothing found, so add one */
|
|
*x = msi_alloc( sizeof (DISTINCTSET) );
|
|
if( *x )
|
|
{
|
|
(*x)->val = val;
|
|
(*x)->count = 1;
|
|
(*x)->row = row;
|
|
(*x)->nextrow = NULL;
|
|
(*x)->nextcol = NULL;
|
|
}
|
|
return x;
|
|
}
|
|
|
|
static void distinct_free( DISTINCTSET *x )
|
|
{
|
|
while( x )
|
|
{
|
|
DISTINCTSET *next = x->nextrow;
|
|
distinct_free( x->nextcol );
|
|
msi_free( x );
|
|
x = next;
|
|
}
|
|
}
|
|
|
|
static UINT DISTINCT_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
|
|
{
|
|
MSIDISTINCTVIEW *dv = (MSIDISTINCTVIEW*)view;
|
|
|
|
TRACE("%p %d %d %p\n", dv, row, col, val );
|
|
|
|
if( !dv->table )
|
|
return ERROR_FUNCTION_FAILED;
|
|
|
|
if( row >= dv->row_count )
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
row = dv->translation[ row ];
|
|
|
|
return dv->table->ops->fetch_int( dv->table, row, col, val );
|
|
}
|
|
|
|
static UINT DISTINCT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
|
|
{
|
|
MSIDISTINCTVIEW *dv = (MSIDISTINCTVIEW*)view;
|
|
UINT r, i, j, r_count, c_count;
|
|
DISTINCTSET *rowset = NULL;
|
|
|
|
TRACE("%p %p\n", dv, record);
|
|
|
|
if( !dv->table )
|
|
return ERROR_FUNCTION_FAILED;
|
|
|
|
r = dv->table->ops->execute( dv->table, record );
|
|
if( r != ERROR_SUCCESS )
|
|
return r;
|
|
|
|
r = dv->table->ops->get_dimensions( dv->table, &r_count, &c_count );
|
|
if( r != ERROR_SUCCESS )
|
|
return r;
|
|
|
|
dv->translation = msi_alloc( r_count*sizeof(UINT) );
|
|
if( !dv->translation )
|
|
return ERROR_FUNCTION_FAILED;
|
|
|
|
/* build it */
|
|
for( i=0; i<r_count; i++ )
|
|
{
|
|
DISTINCTSET **x = &rowset;
|
|
|
|
for( j=1; j<=c_count; j++ )
|
|
{
|
|
UINT val = 0;
|
|
r = dv->table->ops->fetch_int( dv->table, i, j, &val );
|
|
if( r != ERROR_SUCCESS )
|
|
{
|
|
ERR("Failed to fetch int at %d %d\n", i, j );
|
|
distinct_free( rowset );
|
|
return r;
|
|
}
|
|
x = distinct_insert( x, val, i );
|
|
if( !*x )
|
|
{
|
|
ERR("Failed to insert at %d %d\n", i, j );
|
|
distinct_free( rowset );
|
|
return ERROR_FUNCTION_FAILED;
|
|
}
|
|
if( j != c_count )
|
|
x = &(*x)->nextcol;
|
|
}
|
|
|
|
/* check if it was distinct and if so, include it */
|
|
if( (*x)->row == i )
|
|
{
|
|
TRACE("Row %d -> %d\n", dv->row_count, i);
|
|
dv->translation[dv->row_count++] = i;
|
|
}
|
|
}
|
|
|
|
distinct_free( rowset );
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
static UINT DISTINCT_close( struct tagMSIVIEW *view )
|
|
{
|
|
MSIDISTINCTVIEW *dv = (MSIDISTINCTVIEW*)view;
|
|
|
|
TRACE("%p\n", dv );
|
|
|
|
if( !dv->table )
|
|
return ERROR_FUNCTION_FAILED;
|
|
|
|
msi_free( dv->translation );
|
|
dv->translation = NULL;
|
|
dv->row_count = 0;
|
|
|
|
return dv->table->ops->close( dv->table );
|
|
}
|
|
|
|
static UINT DISTINCT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
|
|
{
|
|
MSIDISTINCTVIEW *dv = (MSIDISTINCTVIEW*)view;
|
|
|
|
TRACE("%p %p %p\n", dv, rows, cols );
|
|
|
|
if( !dv->table )
|
|
return ERROR_FUNCTION_FAILED;
|
|
|
|
if( rows )
|
|
{
|
|
if( !dv->translation )
|
|
return ERROR_FUNCTION_FAILED;
|
|
*rows = dv->row_count;
|
|
}
|
|
|
|
return dv->table->ops->get_dimensions( dv->table, NULL, cols );
|
|
}
|
|
|
|
static UINT DISTINCT_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
|
|
UINT *type, BOOL *temporary, LPCWSTR *table_name )
|
|
{
|
|
MSIDISTINCTVIEW *dv = (MSIDISTINCTVIEW*)view;
|
|
|
|
TRACE("%p %d %p %p %p %p\n", dv, n, name, type, temporary, table_name );
|
|
|
|
if( !dv->table )
|
|
return ERROR_FUNCTION_FAILED;
|
|
|
|
return dv->table->ops->get_column_info( dv->table, n, name,
|
|
type, temporary, table_name );
|
|
}
|
|
|
|
static UINT DISTINCT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
|
|
MSIRECORD *rec, UINT row )
|
|
{
|
|
MSIDISTINCTVIEW *dv = (MSIDISTINCTVIEW*)view;
|
|
|
|
TRACE("%p %d %p\n", dv, eModifyMode, rec );
|
|
|
|
if( !dv->table )
|
|
return ERROR_FUNCTION_FAILED;
|
|
|
|
return dv->table->ops->modify( dv->table, eModifyMode, rec, row );
|
|
}
|
|
|
|
static UINT DISTINCT_delete( struct tagMSIVIEW *view )
|
|
{
|
|
MSIDISTINCTVIEW *dv = (MSIDISTINCTVIEW*)view;
|
|
|
|
TRACE("%p\n", dv );
|
|
|
|
if( dv->table )
|
|
dv->table->ops->delete( dv->table );
|
|
|
|
msi_free( dv->translation );
|
|
msiobj_release( &dv->db->hdr );
|
|
msi_free( dv );
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
static UINT DISTINCT_find_matching_rows( struct tagMSIVIEW *view, UINT col,
|
|
UINT val, UINT *row, MSIITERHANDLE *handle )
|
|
{
|
|
MSIDISTINCTVIEW *dv = (MSIDISTINCTVIEW*)view;
|
|
UINT r;
|
|
|
|
TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
|
|
|
|
if( !dv->table )
|
|
return ERROR_FUNCTION_FAILED;
|
|
|
|
r = dv->table->ops->find_matching_rows( dv->table, col, val, row, handle );
|
|
|
|
if( *row > dv->row_count )
|
|
return ERROR_NO_MORE_ITEMS;
|
|
|
|
*row = dv->translation[ *row ];
|
|
|
|
return r;
|
|
}
|
|
|
|
static const MSIVIEWOPS distinct_ops =
|
|
{
|
|
DISTINCT_fetch_int,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
DISTINCT_execute,
|
|
DISTINCT_close,
|
|
DISTINCT_get_dimensions,
|
|
DISTINCT_get_column_info,
|
|
DISTINCT_modify,
|
|
DISTINCT_delete,
|
|
DISTINCT_find_matching_rows,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
};
|
|
|
|
UINT DISTINCT_CreateView( MSIDATABASE *db, MSIVIEW **view, MSIVIEW *table )
|
|
{
|
|
MSIDISTINCTVIEW *dv = NULL;
|
|
UINT count = 0, r;
|
|
|
|
TRACE("%p\n", dv );
|
|
|
|
r = table->ops->get_dimensions( table, NULL, &count );
|
|
if( r != ERROR_SUCCESS )
|
|
{
|
|
ERR("can't get table dimensions\n");
|
|
return r;
|
|
}
|
|
|
|
dv = msi_alloc_zero( sizeof *dv );
|
|
if( !dv )
|
|
return ERROR_FUNCTION_FAILED;
|
|
|
|
/* fill the structure */
|
|
dv->view.ops = &distinct_ops;
|
|
msiobj_addref( &db->hdr );
|
|
dv->db = db;
|
|
dv->table = table;
|
|
dv->translation = NULL;
|
|
dv->row_count = 0;
|
|
*view = (MSIVIEW*) dv;
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|