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446 lines
11 KiB
C
446 lines
11 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 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==0) || (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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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==0) || (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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return sv->table->ops->fetch_stream( sv->table, row, col, stm );
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}
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static UINT SELECT_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW *)view;
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TRACE("%p %d %p\n", sv, row, rec );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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return msi_view_get_row(sv->db, view, row, rec);
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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, BOOL temporary )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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UINT i, 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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outrec = MSI_CreateRecord( table_cols + 1 );
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for (i=0; i<sv->num_cols; i++)
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{
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r = MSI_RecordCopyField( record, i+1, outrec, sv->cols[i] );
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if (r != ERROR_SUCCESS)
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goto fail;
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}
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r = sv->table->ops->insert_row( sv->table, outrec, temporary );
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fail:
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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,
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UINT n, LPWSTR *name, UINT *type )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %p %p\n", sv, n, name, type );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( (n==0) || (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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return sv->table->ops->get_column_info( sv->table, n, name, type );
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}
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static UINT msi_select_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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UINT r, i, num_columns, col, type, val;
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LPWSTR name;
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LPCWSTR str;
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MSIRECORD *mod;
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r = SELECT_get_dimensions(view, NULL, &num_columns);
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if (r != ERROR_SUCCESS)
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return r;
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r = sv->table->ops->get_row(sv->table, row - 1, &mod);
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if (r != ERROR_SUCCESS)
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return r;
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for (i = 0; i < num_columns; 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, &name, &type);
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msi_free(name);
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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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goto done;
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}
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if (MSITYPE_IS_BINARY(type))
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{
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ERR("Cannot modify binary data!\n");
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r = ERROR_FUNCTION_FAILED;
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goto done;
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}
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else if (type & MSITYPE_STRING)
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{
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str = MSI_RecordGetString(rec, i + 1);
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r = MSI_RecordSetStringW(mod, col, str);
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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 = MSI_RecordSetInteger(mod, 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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goto done;
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}
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}
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r = sv->table->ops->modify(sv->table, MSIMODIFY_UPDATE, mod, row);
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done:
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msiobj_release(&mod->hdr);
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return r;
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}
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static UINT SELECT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
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MSIRECORD *rec, UINT row )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %p %d\n", sv, eModifyMode, rec, row );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if (eModifyMode == MSIMODIFY_UPDATE)
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return msi_select_update(view, rec, row);
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return sv->table->ops->modify( sv->table, eModifyMode, rec, row );
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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 UINT SELECT_find_matching_rows( struct tagMSIVIEW *view, UINT col,
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UINT val, UINT *row, MSIITERHANDLE *handle )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( (col==0) || (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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return sv->table->ops->find_matching_rows( sv->table, col, val, row, handle );
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}
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static UINT SELECT_sort(struct tagMSIVIEW *view, column_info *columns)
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW *)view;
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TRACE("%p %p\n", view, columns);
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return sv->table->ops->sort( sv->table, columns );
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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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SELECT_get_row,
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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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SELECT_find_matching_rows,
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NULL,
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NULL,
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NULL,
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NULL,
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SELECT_sort,
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};
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static UINT SELECT_AddColumn( MSISELECTVIEW *sv, LPCWSTR name )
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{
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UINT r, n=0;
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MSIVIEW *table;
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TRACE("%p adding %s\n", sv, 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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r = VIEW_find_column( table, name, &n );
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if( r != ERROR_SUCCESS )
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return r;
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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( sizeof *sv + count*sizeof (UINT) );
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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 );
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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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