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-rw-r--r--menu/m_pattern.c124
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diff --git a/menu/m_pattern.c b/menu/m_pattern.c
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+/****************************************************************************
+ * 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 */