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256 lines
5.9 KiB
C
256 lines
5.9 KiB
C
/*
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* Implementation of the Microsoft Installer (msi.dll)
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*
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* Copyright 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 "msipriv.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 tagMSIUPDATEVIEW
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{
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MSIVIEW view;
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MSIDATABASE *db;
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MSIVIEW *wv;
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column_info *vals;
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} MSIUPDATEVIEW;
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static UINT UPDATE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
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{
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MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
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TRACE("%p %d %d %p\n", uv, row, col, val );
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return ERROR_FUNCTION_FAILED;
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}
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static UINT UPDATE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
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{
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MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
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UINT i, r, col_count = 0, row_count = 0;
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MSIRECORD *values = NULL;
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MSIRECORD *where = NULL;
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MSIVIEW *wv;
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UINT cols_count, where_count;
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column_info *col = uv->vals;
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TRACE("%p %p\n", uv, record );
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/* extract the where markers from the record */
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if (record)
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{
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r = MSI_RecordGetFieldCount(record);
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for (i = 0; col; col = col->next)
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i++;
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cols_count = i;
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where_count = r - i;
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if (where_count > 0)
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{
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where = MSI_CreateRecord(where_count);
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if (where)
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for (i = 1; i <= where_count; i++)
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MSI_RecordCopyField(record, cols_count + i, where, i);
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}
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}
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wv = uv->wv;
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if( !wv )
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{
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r = ERROR_FUNCTION_FAILED;
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goto done;
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}
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r = wv->ops->execute( wv, where );
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TRACE("tv execute returned %x\n", r);
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if( r )
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goto done;
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r = wv->ops->get_dimensions( wv, &row_count, &col_count );
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if( r )
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goto done;
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values = msi_query_merge_record( col_count, uv->vals, record );
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if (!values)
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{
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r = ERROR_FUNCTION_FAILED;
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goto done;
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}
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for ( i=0; i<row_count; i++ )
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{
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r = wv->ops->set_row( wv, i, values, (1 << col_count) - 1 );
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if (r != ERROR_SUCCESS)
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break;
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}
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done:
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if ( where ) msiobj_release( &where->hdr );
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if ( values ) msiobj_release( &values->hdr );
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return r;
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}
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static UINT UPDATE_close( struct tagMSIVIEW *view )
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{
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MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
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MSIVIEW *wv;
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TRACE("%p\n", uv);
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wv = uv->wv;
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if( !wv )
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return ERROR_FUNCTION_FAILED;
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return wv->ops->close( wv );
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}
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static UINT UPDATE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
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{
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MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
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MSIVIEW *wv;
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TRACE("%p %p %p\n", uv, rows, cols );
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wv = uv->wv;
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if( !wv )
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return ERROR_FUNCTION_FAILED;
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return wv->ops->get_dimensions( wv, rows, cols );
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}
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static UINT UPDATE_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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MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
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MSIVIEW *wv;
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TRACE("%p %d %p %p %p %p\n", uv, n, name, type, temporary, table_name );
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wv = uv->wv;
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if( !wv )
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return ERROR_FUNCTION_FAILED;
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return wv->ops->get_column_info( wv, n, name, type, temporary, table_name );
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}
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static UINT UPDATE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
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MSIRECORD *rec, UINT row )
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{
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MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
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TRACE("%p %d %p\n", uv, eModifyMode, rec );
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return ERROR_FUNCTION_FAILED;
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}
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static UINT UPDATE_delete( struct tagMSIVIEW *view )
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{
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MSIUPDATEVIEW *uv = (MSIUPDATEVIEW*)view;
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MSIVIEW *wv;
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TRACE("%p\n", uv );
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wv = uv->wv;
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if( wv )
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wv->ops->delete( wv );
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msiobj_release( &uv->db->hdr );
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msi_free( uv );
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return ERROR_SUCCESS;
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}
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static UINT UPDATE_find_matching_rows( struct tagMSIVIEW *view, UINT col, UINT val, UINT *row, MSIITERHANDLE *handle )
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{
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TRACE("%p %d %d %p\n", view, col, val, *handle );
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return ERROR_FUNCTION_FAILED;
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}
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static const MSIVIEWOPS update_ops =
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{
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UPDATE_fetch_int,
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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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UPDATE_execute,
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UPDATE_close,
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UPDATE_get_dimensions,
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UPDATE_get_column_info,
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UPDATE_modify,
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UPDATE_delete,
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UPDATE_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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NULL,
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};
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UINT UPDATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR table,
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column_info *columns, struct expr *expr )
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{
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MSIUPDATEVIEW *uv = NULL;
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UINT r;
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MSIVIEW *sv = NULL, *wv = NULL;
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TRACE("%p\n", uv );
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if (expr)
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r = WHERE_CreateView( db, &wv, table, expr );
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else
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r = TABLE_CreateView( db, table, &wv );
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if( r != ERROR_SUCCESS )
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return r;
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/* then select the columns we want */
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r = SELECT_CreateView( db, &sv, wv, columns );
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if( r != ERROR_SUCCESS )
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{
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wv->ops->delete( wv );
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return r;
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}
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uv = msi_alloc_zero( sizeof *uv );
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if( !uv )
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{
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wv->ops->delete( wv );
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return ERROR_FUNCTION_FAILED;
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}
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/* fill the structure */
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uv->view.ops = &update_ops;
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msiobj_addref( &db->hdr );
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uv->db = db;
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uv->vals = columns;
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uv->wv = sv;
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*view = (MSIVIEW*) uv;
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return ERROR_SUCCESS;
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}
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