diff options
Diffstat (limited to 'ncurses-5.3/menu/m_pattern.c')
| -rw-r--r-- | ncurses-5.3/menu/m_pattern.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/ncurses-5.3/menu/m_pattern.c b/ncurses-5.3/menu/m_pattern.c new file mode 100644 index 0000000..061f983 --- /dev/null +++ b/ncurses-5.3/menu/m_pattern.c @@ -0,0 +1,120 @@ +/**************************************************************************** + * 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 * + * sale, use or other dealings in this Software without prior written * + * 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("$Id$") + +/*--------------------------------------------------------------------------- +| 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 */ |