125 lines
5.1 KiB
C
125 lines
5.1 KiB
C
/****************************************************************************
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* Copyright (c) 1998-2005,2006 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Juergen Pfeifer, 1995,1997 *
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****************************************************************************/
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/***************************************************************************
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* Module m_pattern *
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* Pattern matching handling *
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***************************************************************************/
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#include "menu.priv.h"
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MODULE_ID("$Id: m_pattern.c,v 1.15 2006/11/04 18:46:39 tom Exp $")
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : char *menu_pattern(const MENU *menu)
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| Description : Return the value of the pattern buffer.
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| Return Values : NULL - if there is no pattern buffer allocated
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| EmptyString - if there is a pattern buffer but no
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| pattern is stored
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| PatternString - as expected
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(char *)
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menu_pattern(const MENU * menu)
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{
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static char empty[] = "";
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T((T_CALLED("menu_pattern(%p)"), menu));
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returnPtr(menu ? (menu->pattern ? menu->pattern : empty) : 0);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_menu_pattern(MENU *menu, const char *p)
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| Description : Set the match pattern for a menu and position to the
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| first item that matches.
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - invalid menu or pattern pointer
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| E_BAD_STATE - menu in user hook routine
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| E_NOT_CONNECTED - no items connected to menu
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| E_NO_MATCH - no item matches pattern
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(int)
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set_menu_pattern(MENU * menu, const char *p)
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{
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ITEM *matchitem;
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int matchpos;
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T((T_CALLED("set_menu_pattern(%p,%s)"), menu, _nc_visbuf(p)));
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if (!menu || !p)
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RETURN(E_BAD_ARGUMENT);
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if (!(menu->items))
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RETURN(E_NOT_CONNECTED);
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if (menu->status & _IN_DRIVER)
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RETURN(E_BAD_STATE);
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Reset_Pattern(menu);
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if (!(*p))
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{
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pos_menu_cursor(menu);
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RETURN(E_OK);
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}
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if (menu->status & _LINK_NEEDED)
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_nc_Link_Items(menu);
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matchpos = menu->toprow;
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matchitem = menu->curitem;
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assert(matchitem);
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while (*p)
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{
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if (!isprint(UChar(*p)) ||
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(_nc_Match_Next_Character_In_Item_Name(menu, *p, &matchitem) != E_OK))
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{
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Reset_Pattern(menu);
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pos_menu_cursor(menu);
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RETURN(E_NO_MATCH);
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}
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p++;
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}
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/* This is reached if there was a match. So we position to the new item */
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Adjust_Current_Item(menu, matchpos, matchitem);
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RETURN(E_OK);
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}
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/* m_pattern.c ends here */
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