| /**************************************************************************** |
| * Copyright (c) 1998-2005,2006 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 * |
| * sale, use or other dealings in this Software without prior written * |
| * authorization. * |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Author: Juergen Pfeifer, 1995,1997 * |
| ****************************************************************************/ |
| |
| /*************************************************************************** |
| * Module m_pattern * |
| * Pattern matching handling * |
| ***************************************************************************/ |
| |
| #include "menu.priv.h" |
| |
| MODULE_ID("$Id: m_pattern.c,v 1.15 2006/11/04 18:46:39 tom 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) |
| { |
| static char empty[] = ""; |
| |
| T((T_CALLED("menu_pattern(%p)"), menu)); |
| returnPtr(menu ? (menu->pattern ? menu->pattern : empty) : 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_BAD_STATE - menu in user hook routine |
| | E_NOT_CONNECTED - no items connected to menu |
| | E_NO_MATCH - no item matches pattern |
| +--------------------------------------------------------------------------*/ |
| NCURSES_EXPORT(int) |
| set_menu_pattern(MENU * menu, const char *p) |
| { |
| ITEM *matchitem; |
| int matchpos; |
| |
| T((T_CALLED("set_menu_pattern(%p,%s)"), menu, _nc_visbuf(p))); |
| |
| 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(UChar(*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 */ |