| /* $NetBSD: hist.h,v 1.13 2011/07/28 20:50:55 christos Exp $ */ |
| |
| /*- |
| * Copyright (c) 1992, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * This code is derived from software contributed to Berkeley by |
| * Christos Zoulas of Cornell University. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)hist.h 8.1 (Berkeley) 6/4/93 |
| */ |
| |
| /* |
| * el.hist.c: History functions |
| */ |
| #ifndef _h_el_hist |
| #define _h_el_hist |
| |
| #include "histedit.h" |
| |
| typedef int (*hist_fun_t)(void *, TYPE(HistEvent) *, int, ...); |
| |
| typedef struct el_history_t { |
| Char *buf; /* The history buffer */ |
| size_t sz; /* Size of history buffer */ |
| Char *last; /* The last character */ |
| int eventno; /* Event we are looking for */ |
| void * ref; /* Argument for history fcns */ |
| hist_fun_t fun; /* Event access */ |
| TYPE(HistEvent) ev; /* Event cookie */ |
| } el_history_t; |
| |
| #define HIST_FUN_INTERNAL(el, fn, arg) \ |
| ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \ |
| fn, arg)) == -1) ? NULL : (el)->el_history.ev.str) |
| #ifdef WIDECHAR |
| #define HIST_FUN(el, fn, arg) \ |
| (((el)->el_flags & NARROW_HISTORY) ? hist_convert(el, fn, arg) : \ |
| HIST_FUN_INTERNAL(el, fn, arg)) |
| #else |
| #define HIST_FUN(el, fn, arg) HIST_FUN_INTERNAL(el, fn, arg) |
| #endif |
| |
| |
| #define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL) |
| #define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL) |
| #define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL) |
| #define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL) |
| #define HIST_SET(el, num) HIST_FUN(el, H_SET, num) |
| #define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname) |
| #define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname) |
| |
| protected int hist_init(EditLine *); |
| protected void hist_end(EditLine *); |
| protected el_action_t hist_get(EditLine *); |
| protected int hist_set(EditLine *, hist_fun_t, void *); |
| protected int hist_command(EditLine *, int, const Char **); |
| protected int hist_enlargebuf(EditLine *, size_t, size_t); |
| #ifdef WIDECHAR |
| protected wchar_t *hist_convert(EditLine *, int, void *); |
| #endif |
| |
| #endif /* _h_el_hist */ |