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- /****************************************************************************
- * Copyright (c) 1998,2000 Free Software Foundation, Inc. *
- * *
- * Permission is hereby granted, free of charge, to any person obtaining a *
- * copy of this software and associated documentation files (the *
- * "Software"), to deal in the Software without restriction, including *
- * without limitation the rights to use, copy, modify, merge, publish, *
- * distribute, distribute with modifications, sublicense, and/or sell *
- * copies of the Software, and to permit persons to whom the Software is *
- * furnished to do so, subject to the following conditions: *
- * *
- * The above copyright notice and this permission notice shall be included *
- * in all copies or substantial portions of the Software. *
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
- * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
- * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
- * *
- * Except as contained in this notice, the name(s) of the above copyright *
- * holders shall not be used in advertising or otherwise to promote the *
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- * authorization. *
- ****************************************************************************/
-
- /****************************************************************************
- * Author: Juergen Pfeifer, 1995,1997 *
- * Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en *
- ****************************************************************************/
-
- /***************************************************************************
- * Module m_pattern *
- * Pattern matching handling *
- ***************************************************************************/
-
- #include "menu.priv.h"
-
- MODULE_ID("$Id: m_pattern.c,v 1.7 2002/07/06 15:22:16 juergen Exp $")
-
- /*---------------------------------------------------------------------------
- | Facility : libnmenu
- | Function : char *menu_pattern(const MENU *menu)
- |
- | Description : Return the value of the pattern buffer.
- |
- | Return Values : NULL - if there is no pattern buffer allocated
- | EmptyString - if there is a pattern buffer but no
- | pattern is stored
- | PatternString - as expected
- +--------------------------------------------------------------------------*/
- NCURSES_EXPORT(char *)
- menu_pattern (const MENU * menu)
- {
- return (menu ? (menu->pattern ? menu->pattern : "") : (char *)0);
- }
-
- /*---------------------------------------------------------------------------
- | Facility : libnmenu
- | Function : int set_menu_pattern(MENU *menu, const char *p)
- |
- | Description : Set the match pattern for a menu and position to the
- | first item that matches.
- |
- | Return Values : E_OK - success
- | E_BAD_ARGUMENT - invalid menu or pattern pointer
- | E_NOT_CONNECTED - no items connected to menu
- | E_BAD_STATE - menu in user hook routine
- | E_NO_MATCH - no item matches pattern
- +--------------------------------------------------------------------------*/
- NCURSES_EXPORT(int)
- set_menu_pattern (MENU *menu, const char *p)
- {
- ITEM *matchitem;
- int matchpos;
-
- if (!menu || !p)
- RETURN(E_BAD_ARGUMENT);
-
- if (!(menu->items))
- RETURN(E_NOT_CONNECTED);
-
- if ( menu->status & _IN_DRIVER )
- RETURN(E_BAD_STATE);
-
- Reset_Pattern(menu);
-
- if (!(*p))
- {
- pos_menu_cursor(menu);
- RETURN(E_OK);
- }
-
- if (menu->status & _LINK_NEEDED)
- _nc_Link_Items(menu);
-
- matchpos = menu->toprow;
- matchitem = menu->curitem;
- assert(matchitem);
-
- while(*p)
- {
- if ( !isprint((unsigned char)(*p)) ||
- (_nc_Match_Next_Character_In_Item_Name(menu,*p,&matchitem) != E_OK) )
- {
- Reset_Pattern(menu);
- pos_menu_cursor(menu);
- RETURN(E_NO_MATCH);
- }
- p++;
- }
-
- /* This is reached if there was a match. So we position to the new item */
- Adjust_Current_Item(menu,matchpos,matchitem);
- RETURN(E_OK);
- }
-
- /* m_pattern.c ends here */
-