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/* $OpenBSD: m_pattern.c,v 1.1 1997/12/03 05:31:25 millert Exp $ */
/*-----------------------------------------------------------------------------+
| The ncurses menu library is Copyright (C) 1995-1997 |
| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
| All Rights Reserved. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, provided |
| that the above copyright notice appear in all copies and that both that |
| copyright notice and this permission notice appear in supporting |
| documentation, and that the name of the above listed copyright holder(s) not |
| be used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
+-----------------------------------------------------------------------------*/
/***************************************************************************
* Module m_pattern *
* Pattern matching handling *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("Id: m_pattern.c,v 1.1 1997/10/21 08:44:31 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
+--------------------------------------------------------------------------*/
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
+--------------------------------------------------------------------------*/
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(*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 */
|
