150276Speter/**************************************************************************** 2166124Srafan * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/**************************************************************************** 30166124Srafan * Author: Juergen Pfeifer, 1995,1997 * 3150276Speter ****************************************************************************/ 3250276Speter 3350276Speter/*************************************************************************** 3450276Speter* Module m_pattern * 3550276Speter* Pattern matching handling * 3650276Speter***************************************************************************/ 3750276Speter 3850276Speter#include "menu.priv.h" 3950276Speter 40166124SrafanMODULE_ID("$Id: m_pattern.c,v 1.15 2006/11/04 18:46:39 tom Exp $") 4150276Speter 4250276Speter/*--------------------------------------------------------------------------- 4350276Speter| Facility : libnmenu 4450276Speter| Function : char *menu_pattern(const MENU *menu) 4550276Speter| 4650276Speter| Description : Return the value of the pattern buffer. 4750276Speter| 4850276Speter| Return Values : NULL - if there is no pattern buffer allocated 4950276Speter| EmptyString - if there is a pattern buffer but no 5050276Speter| pattern is stored 5150276Speter| PatternString - as expected 5250276Speter+--------------------------------------------------------------------------*/ 5376726SpeterNCURSES_EXPORT(char *) 54166124Srafanmenu_pattern(const MENU * menu) 5550276Speter{ 56166124Srafan static char empty[] = ""; 57166124Srafan 58166124Srafan T((T_CALLED("menu_pattern(%p)"), menu)); 59166124Srafan returnPtr(menu ? (menu->pattern ? menu->pattern : empty) : 0); 6050276Speter} 6150276Speter 6250276Speter/*--------------------------------------------------------------------------- 6350276Speter| Facility : libnmenu 6450276Speter| Function : int set_menu_pattern(MENU *menu, const char *p) 6550276Speter| 6650276Speter| Description : Set the match pattern for a menu and position to the 6750276Speter| first item that matches. 6850276Speter| 6950276Speter| Return Values : E_OK - success 7050276Speter| E_BAD_ARGUMENT - invalid menu or pattern pointer 71166124Srafan| E_BAD_STATE - menu in user hook routine 7250276Speter| E_NOT_CONNECTED - no items connected to menu 7350276Speter| E_NO_MATCH - no item matches pattern 7450276Speter+--------------------------------------------------------------------------*/ 7576726SpeterNCURSES_EXPORT(int) 76166124Srafanset_menu_pattern(MENU * menu, const char *p) 7750276Speter{ 7850276Speter ITEM *matchitem; 79166124Srafan int matchpos; 80166124Srafan 81166124Srafan T((T_CALLED("set_menu_pattern(%p,%s)"), menu, _nc_visbuf(p))); 82166124Srafan 83166124Srafan if (!menu || !p) 8450276Speter RETURN(E_BAD_ARGUMENT); 85166124Srafan 8650276Speter if (!(menu->items)) 8750276Speter RETURN(E_NOT_CONNECTED); 88166124Srafan 89166124Srafan if (menu->status & _IN_DRIVER) 9050276Speter RETURN(E_BAD_STATE); 91166124Srafan 9250276Speter Reset_Pattern(menu); 93166124Srafan 9450276Speter if (!(*p)) 9550276Speter { 9650276Speter pos_menu_cursor(menu); 9750276Speter RETURN(E_OK); 9850276Speter } 99166124Srafan 100166124Srafan if (menu->status & _LINK_NEEDED) 10150276Speter _nc_Link_Items(menu); 102166124Srafan 103166124Srafan matchpos = menu->toprow; 10450276Speter matchitem = menu->curitem; 10550276Speter assert(matchitem); 106166124Srafan 107166124Srafan while (*p) 10850276Speter { 109166124Srafan if (!isprint(UChar(*p)) || 110166124Srafan (_nc_Match_Next_Character_In_Item_Name(menu, *p, &matchitem) != E_OK)) 11150276Speter { 11250276Speter Reset_Pattern(menu); 11350276Speter pos_menu_cursor(menu); 11450276Speter RETURN(E_NO_MATCH); 11550276Speter } 11650276Speter p++; 117166124Srafan } 118166124Srafan 11950276Speter /* This is reached if there was a match. So we position to the new item */ 120166124Srafan Adjust_Current_Item(menu, matchpos, matchitem); 12150276Speter RETURN(E_OK); 12250276Speter} 12350276Speter 12450276Speter/* m_pattern.c ends here */ 125