mirror of
https://github.com/reactos/wine.git
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373 lines
8.4 KiB
C
373 lines
8.4 KiB
C
/*
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* Implementation of the Microsoft Installer (msi.dll)
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*
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* Copyright 2006 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 "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 "query.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msidb);
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typedef struct tagJOINTABLE
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{
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struct list entry;
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MSIVIEW *view;
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UINT columns;
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UINT rows;
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UINT next_rows;
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} JOINTABLE;
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typedef struct tagMSIJOINVIEW
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{
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MSIVIEW view;
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MSIDATABASE *db;
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struct list tables;
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UINT columns;
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UINT rows;
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} MSIJOINVIEW;
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static UINT JOIN_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
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{
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MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
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JOINTABLE *table;
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UINT cols = 0;
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UINT prev_rows = 1;
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TRACE("%d, %d\n", row, col);
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if (col == 0 || col > jv->columns)
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return ERROR_FUNCTION_FAILED;
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if (row >= jv->rows)
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return ERROR_FUNCTION_FAILED;
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LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
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{
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if (col <= cols + table->columns)
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{
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row = (row % (jv->rows / table->next_rows)) / prev_rows;
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col -= cols;
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break;
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}
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prev_rows = table->rows;
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cols += table->columns;
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}
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return table->view->ops->fetch_int( table->view, row, col, val );
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}
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static UINT JOIN_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
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{
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MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
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JOINTABLE *table;
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UINT cols = 0;
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UINT prev_rows = 1;
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TRACE("%p %d %d %p\n", jv, row, col, stm );
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if (col == 0 || col > jv->columns)
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return ERROR_FUNCTION_FAILED;
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if (row >= jv->rows)
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return ERROR_FUNCTION_FAILED;
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LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
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{
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if (col <= cols + table->columns)
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{
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row = (row % (jv->rows / table->next_rows)) / prev_rows;
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col -= cols;
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break;
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}
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prev_rows = table->rows;
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cols += table->columns;
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}
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return table->view->ops->fetch_stream( table->view, row, col, stm );
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}
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static UINT JOIN_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
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{
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FIXME("(%p, %d, %p): stub!\n", view, row, rec);
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return ERROR_FUNCTION_FAILED;
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}
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static UINT JOIN_execute( struct tagMSIVIEW *view, MSIRECORD *record )
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{
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MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
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JOINTABLE *table;
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UINT r, rows;
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TRACE("%p %p\n", jv, record);
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LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
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{
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table->view->ops->execute(table->view, NULL);
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r = table->view->ops->get_dimensions(table->view, &table->rows, NULL);
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if (r != ERROR_SUCCESS)
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{
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ERR("failed to get table dimensions\n");
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return r;
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}
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/* each table must have at least one row */
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if (table->rows == 0)
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{
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jv->rows = 0;
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return ERROR_SUCCESS;
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}
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if (jv->rows == 0)
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jv->rows = table->rows;
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else
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jv->rows *= table->rows;
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}
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rows = jv->rows;
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LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
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{
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rows /= table->rows;
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table->next_rows = rows;
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}
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return ERROR_SUCCESS;
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}
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static UINT JOIN_close( struct tagMSIVIEW *view )
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{
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MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
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JOINTABLE *table;
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TRACE("%p\n", jv );
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LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
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{
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table->view->ops->close(table->view);
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}
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return ERROR_SUCCESS;
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}
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static UINT JOIN_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
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{
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MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
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TRACE("%p %p %p\n", jv, rows, cols );
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if (cols)
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*cols = jv->columns;
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if (rows)
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*rows = jv->rows;
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return ERROR_SUCCESS;
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}
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static UINT JOIN_get_column_info( struct tagMSIVIEW *view,
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UINT n, LPWSTR *name, UINT *type )
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{
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MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
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JOINTABLE *table;
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UINT cols = 0;
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TRACE("%p %d %p %p\n", jv, n, name, type );
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if (n == 0 || n > jv->columns)
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return ERROR_FUNCTION_FAILED;
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LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
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{
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if (n <= cols + table->columns)
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return table->view->ops->get_column_info(table->view, n - cols, name, type);
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cols += table->columns;
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}
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return ERROR_FUNCTION_FAILED;
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}
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static UINT JOIN_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
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MSIRECORD *rec, UINT row )
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{
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TRACE("%p %d %p\n", view, eModifyMode, rec);
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return ERROR_FUNCTION_FAILED;
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}
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static UINT JOIN_delete( struct tagMSIVIEW *view )
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{
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MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
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JOINTABLE *table;
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TRACE("%p\n", jv );
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LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
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{
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table->view->ops->delete(table->view);
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table->view = NULL;
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}
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msi_free(jv);
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return ERROR_SUCCESS;
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}
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static UINT JOIN_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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MSIJOINVIEW *jv = (MSIJOINVIEW*)view;
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UINT i, row_value;
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TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
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if (col == 0 || col > jv->columns)
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return ERROR_INVALID_PARAMETER;
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for (i = (UINT)*handle; i < jv->rows; i++)
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{
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if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
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continue;
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if (row_value == val)
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{
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*row = i;
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(*(UINT *)handle) = i + 1;
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return ERROR_SUCCESS;
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}
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}
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return ERROR_NO_MORE_ITEMS;
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}
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static UINT JOIN_sort(struct tagMSIVIEW *view, column_info *columns)
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{
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MSIJOINVIEW *jv = (MSIJOINVIEW *)view;
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JOINTABLE *table;
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UINT r;
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TRACE("%p %p\n", view, columns);
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LIST_FOR_EACH_ENTRY(table, &jv->tables, JOINTABLE, entry)
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{
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r = table->view->ops->sort(table->view, columns);
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if (r != ERROR_SUCCESS)
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return r;
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}
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return ERROR_SUCCESS;
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}
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static const MSIVIEWOPS join_ops =
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{
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JOIN_fetch_int,
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JOIN_fetch_stream,
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JOIN_get_row,
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NULL,
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NULL,
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NULL,
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JOIN_execute,
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JOIN_close,
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JOIN_get_dimensions,
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JOIN_get_column_info,
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JOIN_modify,
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JOIN_delete,
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JOIN_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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JOIN_sort,
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};
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UINT JOIN_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR tables )
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{
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MSIJOINVIEW *jv = NULL;
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UINT r = ERROR_SUCCESS;
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JOINTABLE *table;
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LPWSTR ptr;
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TRACE("%p (%s)\n", jv, debugstr_w(tables) );
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jv = msi_alloc_zero( sizeof *jv );
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if( !jv )
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return ERROR_FUNCTION_FAILED;
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/* fill the structure */
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jv->view.ops = &join_ops;
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jv->db = db;
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jv->columns = 0;
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jv->rows = 0;
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list_init(&jv->tables);
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while (*tables)
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{
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if ((ptr = strchrW(tables, ' ')))
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*ptr = '\0';
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table = msi_alloc(sizeof(JOINTABLE));
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if (!table)
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return ERROR_OUTOFMEMORY;
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r = TABLE_CreateView( db, tables, &table->view );
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if( r != ERROR_SUCCESS )
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{
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ERR("can't create table\n");
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goto end;
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}
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r = table->view->ops->get_dimensions( table->view, NULL, &table->columns );
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if( r != ERROR_SUCCESS )
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{
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ERR("can't get table dimensions\n");
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goto end;
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}
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jv->columns += table->columns;
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list_add_head( &jv->tables, &table->entry );
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if (!ptr)
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break;
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tables = ptr + 1;
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}
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*view = &jv->view;
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return ERROR_SUCCESS;
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end:
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jv->view.ops->delete( &jv->view );
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return r;
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}
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