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Signed-off-by: Hans Leidekker <hans@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org> wine commit id c4fc91f4bf0ffdc4a7dc2e582e5bd3fddca85222 by Hans Leidekker <hans@codeweavers.com>
459 lines
12 KiB
C
459 lines
12 KiB
C
/*
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* Implementation of the Microsoft Installer (msi.dll)
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*
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* Copyright 2002-2004 Mike McCormack for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "wine/debug.h"
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#include "msi.h"
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#include "msiquery.h"
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#include "objbase.h"
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#include "objidl.h"
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#include "msipriv.h"
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#include "winnls.h"
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#include "query.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msidb);
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/* below is the query interface to a table */
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typedef struct tagMSISELECTVIEW
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{
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MSIVIEW view;
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MSIDATABASE *db;
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MSIVIEW *table;
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UINT num_cols;
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UINT max_cols;
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UINT cols[1];
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} MSISELECTVIEW;
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static UINT translate_record( MSISELECTVIEW *sv, MSIRECORD *in, MSIRECORD **out )
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{
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UINT r, col_count, i;
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MSIRECORD *object;
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if ((r = sv->table->ops->get_dimensions( sv->table, NULL, &col_count )))
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return r;
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if (!(object = MSI_CreateRecord( col_count )))
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return ERROR_OUTOFMEMORY;
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for (i = 0; i < sv->num_cols; i++)
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{
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if ((r = MSI_RecordCopyField( in, i + 1, object, sv->cols[i] )))
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{
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msiobj_release( &object->hdr );
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return r;
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}
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}
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*out = object;
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return ERROR_SUCCESS;
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}
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static UINT SELECT_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %d %p\n", sv, row, col, val );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( !col || col > sv->num_cols )
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return ERROR_FUNCTION_FAILED;
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col = sv->cols[ col - 1 ];
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if( !col )
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{
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*val = 0;
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return ERROR_SUCCESS;
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}
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return sv->table->ops->fetch_int( sv->table, row, col, val );
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}
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static UINT SELECT_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %d %p\n", sv, row, col, stm );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( !col || col > sv->num_cols )
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return ERROR_FUNCTION_FAILED;
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col = sv->cols[ col - 1 ];
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if( !col )
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{
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*stm = NULL;
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return ERROR_SUCCESS;
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}
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return sv->table->ops->fetch_stream( sv->table, row, col, stm );
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}
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static UINT SELECT_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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UINT i, expanded_mask = 0, r = ERROR_SUCCESS, col_count = 0;
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MSIRECORD *expanded;
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TRACE("%p %d %p %08x\n", sv, row, rec, mask );
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if ( !sv->table )
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return ERROR_FUNCTION_FAILED;
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/* test if any of the mask bits are invalid */
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if ( mask >= (1<<sv->num_cols) )
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return ERROR_INVALID_PARAMETER;
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/* find the number of columns in the table below */
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r = sv->table->ops->get_dimensions( sv->table, NULL, &col_count );
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if( r )
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return r;
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/* expand the record to the right size for the underlying table */
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expanded = MSI_CreateRecord( col_count );
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if ( !expanded )
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return ERROR_FUNCTION_FAILED;
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/* move the right fields across */
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for ( i=0; i<sv->num_cols; i++ )
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{
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r = MSI_RecordCopyField( rec, i+1, expanded, sv->cols[ i ] );
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if (r != ERROR_SUCCESS)
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break;
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expanded_mask |= (1<<(sv->cols[i]-1));
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}
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/* set the row in the underlying table */
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if (r == ERROR_SUCCESS)
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r = sv->table->ops->set_row( sv->table, row, expanded, expanded_mask );
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msiobj_release( &expanded->hdr );
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return r;
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}
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static UINT SELECT_insert_row( struct tagMSIVIEW *view, MSIRECORD *record, UINT row, BOOL temporary )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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UINT table_cols, r;
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MSIRECORD *outrec;
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TRACE("%p %p\n", sv, record );
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if ( !sv->table )
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return ERROR_FUNCTION_FAILED;
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/* rearrange the record to suit the table */
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r = sv->table->ops->get_dimensions( sv->table, NULL, &table_cols );
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if (r != ERROR_SUCCESS)
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return r;
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if ((r = translate_record( sv, record, &outrec )))
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return r;
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r = sv->table->ops->insert_row( sv->table, outrec, row, temporary );
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msiobj_release( &outrec->hdr );
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return r;
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}
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static UINT SELECT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %p\n", sv, record);
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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return sv->table->ops->execute( sv->table, record );
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}
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static UINT SELECT_close( struct tagMSIVIEW *view )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p\n", sv );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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return sv->table->ops->close( sv->table );
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}
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static UINT SELECT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %p %p\n", sv, rows, cols );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( cols )
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*cols = sv->num_cols;
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return sv->table->ops->get_dimensions( sv->table, rows, NULL );
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}
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static UINT SELECT_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
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UINT *type, BOOL *temporary, LPCWSTR *table_name )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %p %p %p %p\n", sv, n, name, type, temporary, table_name );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( !n || n > sv->num_cols )
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return ERROR_FUNCTION_FAILED;
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n = sv->cols[ n - 1 ];
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if( !n )
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{
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if (name) *name = L"";
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if (type) *type = MSITYPE_UNKNOWN | MSITYPE_VALID;
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if (temporary) *temporary = FALSE;
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if (table_name) *table_name = L"";
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return ERROR_SUCCESS;
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}
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return sv->table->ops->get_column_info( sv->table, n, name,
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type, temporary, table_name );
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}
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UINT msi_select_update(MSIVIEW *view, MSIRECORD *rec, UINT row)
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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UINT r, i, col, type, val;
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IStream *stream;
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LPCWSTR str;
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for (i = 0; i < sv->num_cols; i++)
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{
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col = sv->cols[i];
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r = SELECT_get_column_info(view, i + 1, NULL, &type, NULL, NULL);
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if (r != ERROR_SUCCESS)
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{
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ERR("Failed to get column information: %d\n", r);
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return r;
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}
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if (MSITYPE_IS_BINARY(type))
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{
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if (MSI_RecordGetIStream(rec, i + 1, &stream))
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return ERROR_FUNCTION_FAILED;
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r = sv->table->ops->set_stream(sv->table, row, col, stream);
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}
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else if (type & MSITYPE_STRING)
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{
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int len;
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str = msi_record_get_string(rec, i + 1, &len);
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r = sv->table->ops->set_string(sv->table, row, col, str, len);
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}
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else
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{
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val = MSI_RecordGetInteger(rec, i + 1);
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r = sv->table->ops->set_int(sv->table, row, col, val);
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}
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if (r != ERROR_SUCCESS)
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{
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ERR("Failed to modify record: %d\n", r);
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return r;
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}
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}
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return ERROR_SUCCESS;
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}
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static UINT SELECT_modify( struct tagMSIVIEW *view, MSIMODIFY mode,
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MSIRECORD *rec, UINT row )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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MSIRECORD *table_rec;
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UINT r;
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TRACE("view %p, mode %d, rec %p, row %u.\n", view, mode, rec, row);
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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/* Tests demonstrate that UPDATE only affects the columns selected and that
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* others are left unchanged; however, ASSIGN overwrites unselected columns
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* to NULL. Similarly, MERGE matches all unselected columns as NULL rather
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* than just ignoring them. */
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switch (mode)
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{
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case MSIMODIFY_REFRESH:
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return msi_view_refresh_row(sv->db, view, row, rec);
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case MSIMODIFY_UPDATE:
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return msi_select_update(view, rec, row);
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case MSIMODIFY_INSERT:
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case MSIMODIFY_ASSIGN:
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case MSIMODIFY_MERGE:
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case MSIMODIFY_INSERT_TEMPORARY:
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case MSIMODIFY_VALIDATE_NEW:
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if ((r = translate_record( sv, rec, &table_rec )))
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return r;
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r = sv->table->ops->modify( sv->table, mode, table_rec, row );
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msiobj_release( &table_rec->hdr );
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return r;
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case MSIMODIFY_DELETE:
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return sv->table->ops->modify( sv->table, mode, rec, row );
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default:
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FIXME("unhandled mode %d\n", mode);
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return ERROR_FUNCTION_FAILED;
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}
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}
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static UINT SELECT_delete( struct tagMSIVIEW *view )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p\n", sv );
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if( sv->table )
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sv->table->ops->delete( sv->table );
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sv->table = NULL;
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msi_free( sv );
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return ERROR_SUCCESS;
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}
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static const MSIVIEWOPS select_ops =
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{
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SELECT_fetch_int,
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SELECT_fetch_stream,
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NULL,
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NULL,
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NULL,
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SELECT_set_row,
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SELECT_insert_row,
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NULL,
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SELECT_execute,
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SELECT_close,
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SELECT_get_dimensions,
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SELECT_get_column_info,
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SELECT_modify,
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SELECT_delete,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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};
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static UINT SELECT_AddColumn( MSISELECTVIEW *sv, LPCWSTR name,
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LPCWSTR table_name )
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{
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UINT r, n;
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MSIVIEW *table;
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TRACE("%p adding %s.%s\n", sv, debugstr_w( table_name ),
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debugstr_w( name ));
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if( sv->view.ops != &select_ops )
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return ERROR_FUNCTION_FAILED;
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table = sv->table;
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if( !table )
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return ERROR_FUNCTION_FAILED;
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if( !table->ops->get_dimensions )
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return ERROR_FUNCTION_FAILED;
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if( !table->ops->get_column_info )
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return ERROR_FUNCTION_FAILED;
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if( sv->num_cols >= sv->max_cols )
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return ERROR_FUNCTION_FAILED;
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if ( !name[0] ) n = 0;
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else
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{
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r = VIEW_find_column( table, name, table_name, &n );
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if( r != ERROR_SUCCESS )
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return r;
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}
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sv->cols[sv->num_cols] = n;
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TRACE("Translating column %s from %d -> %d\n",
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debugstr_w( name ), sv->num_cols, n);
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sv->num_cols++;
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return ERROR_SUCCESS;
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}
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static int select_count_columns( const column_info *col )
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{
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int n;
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for (n = 0; col; col = col->next)
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n++;
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return n;
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}
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UINT SELECT_CreateView( MSIDATABASE *db, MSIVIEW **view, MSIVIEW *table,
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const column_info *columns )
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{
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MSISELECTVIEW *sv = NULL;
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UINT count = 0, r = ERROR_SUCCESS;
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TRACE("%p\n", sv );
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count = select_count_columns( columns );
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sv = msi_alloc_zero( FIELD_OFFSET( MSISELECTVIEW, cols[count] ));
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if( !sv )
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return ERROR_FUNCTION_FAILED;
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/* fill the structure */
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sv->view.ops = &select_ops;
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sv->db = db;
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sv->table = table;
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sv->num_cols = 0;
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sv->max_cols = count;
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while( columns )
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{
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r = SELECT_AddColumn( sv, columns->column, columns->table );
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if( r )
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break;
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columns = columns->next;
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}
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if( r == ERROR_SUCCESS )
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*view = &sv->view;
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else
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msi_free( sv );
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return r;
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}
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