1*d0ef721eSBaptiste Daroussin /* $NetBSD: hist.h,v 1.23 2017/09/01 10:19:10 christos Exp $ */ 2*d0ef721eSBaptiste Daroussin 3*d0ef721eSBaptiste Daroussin /*- 4*d0ef721eSBaptiste Daroussin * Copyright (c) 1992, 1993 5*d0ef721eSBaptiste Daroussin * The Regents of the University of California. All rights reserved. 6*d0ef721eSBaptiste Daroussin * 7*d0ef721eSBaptiste Daroussin * This code is derived from software contributed to Berkeley by 8*d0ef721eSBaptiste Daroussin * Christos Zoulas of Cornell University. 9*d0ef721eSBaptiste Daroussin * 10*d0ef721eSBaptiste Daroussin * Redistribution and use in source and binary forms, with or without 11*d0ef721eSBaptiste Daroussin * modification, are permitted provided that the following conditions 12*d0ef721eSBaptiste Daroussin * are met: 13*d0ef721eSBaptiste Daroussin * 1. Redistributions of source code must retain the above copyright 14*d0ef721eSBaptiste Daroussin * notice, this list of conditions and the following disclaimer. 15*d0ef721eSBaptiste Daroussin * 2. Redistributions in binary form must reproduce the above copyright 16*d0ef721eSBaptiste Daroussin * notice, this list of conditions and the following disclaimer in the 17*d0ef721eSBaptiste Daroussin * documentation and/or other materials provided with the distribution. 18*d0ef721eSBaptiste Daroussin * 3. Neither the name of the University nor the names of its contributors 19*d0ef721eSBaptiste Daroussin * may be used to endorse or promote products derived from this software 20*d0ef721eSBaptiste Daroussin * without specific prior written permission. 21*d0ef721eSBaptiste Daroussin * 22*d0ef721eSBaptiste Daroussin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23*d0ef721eSBaptiste Daroussin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24*d0ef721eSBaptiste Daroussin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25*d0ef721eSBaptiste Daroussin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26*d0ef721eSBaptiste Daroussin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27*d0ef721eSBaptiste Daroussin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28*d0ef721eSBaptiste Daroussin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29*d0ef721eSBaptiste Daroussin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30*d0ef721eSBaptiste Daroussin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31*d0ef721eSBaptiste Daroussin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32*d0ef721eSBaptiste Daroussin * SUCH DAMAGE. 33*d0ef721eSBaptiste Daroussin * 34*d0ef721eSBaptiste Daroussin * @(#)hist.h 8.1 (Berkeley) 6/4/93 35*d0ef721eSBaptiste Daroussin */ 36*d0ef721eSBaptiste Daroussin 37*d0ef721eSBaptiste Daroussin /* 38*d0ef721eSBaptiste Daroussin * el.hist.c: History functions 39*d0ef721eSBaptiste Daroussin */ 40*d0ef721eSBaptiste Daroussin #ifndef _h_el_hist 41*d0ef721eSBaptiste Daroussin #define _h_el_hist 42*d0ef721eSBaptiste Daroussin 43*d0ef721eSBaptiste Daroussin typedef int (*hist_fun_t)(void *, HistEventW *, int, ...); 44*d0ef721eSBaptiste Daroussin 45*d0ef721eSBaptiste Daroussin typedef struct el_history_t { 46*d0ef721eSBaptiste Daroussin wchar_t *buf; /* The history buffer */ 47*d0ef721eSBaptiste Daroussin size_t sz; /* Size of history buffer */ 48*d0ef721eSBaptiste Daroussin wchar_t *last; /* The last character */ 49*d0ef721eSBaptiste Daroussin int eventno; /* Event we are looking for */ 50*d0ef721eSBaptiste Daroussin void *ref; /* Argument for history fcns */ 51*d0ef721eSBaptiste Daroussin hist_fun_t fun; /* Event access */ 52*d0ef721eSBaptiste Daroussin HistEventW ev; /* Event cookie */ 53*d0ef721eSBaptiste Daroussin } el_history_t; 54*d0ef721eSBaptiste Daroussin 55*d0ef721eSBaptiste Daroussin #define HIST_FUN_INTERNAL(el, fn, arg) \ 56*d0ef721eSBaptiste Daroussin ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \ 57*d0ef721eSBaptiste Daroussin fn, arg)) == -1) ? NULL : (el)->el_history.ev.str) 58*d0ef721eSBaptiste Daroussin #define HIST_FUN(el, fn, arg) \ 59*d0ef721eSBaptiste Daroussin (((el)->el_flags & NARROW_HISTORY) ? hist_convert(el, fn, arg) : \ 60*d0ef721eSBaptiste Daroussin HIST_FUN_INTERNAL(el, fn, arg)) 61*d0ef721eSBaptiste Daroussin 62*d0ef721eSBaptiste Daroussin #define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL) 63*d0ef721eSBaptiste Daroussin #define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL) 64*d0ef721eSBaptiste Daroussin #define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL) 65*d0ef721eSBaptiste Daroussin #define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL) 66*d0ef721eSBaptiste Daroussin #define HIST_SET(el, num) HIST_FUN(el, H_SET, num) 67*d0ef721eSBaptiste Daroussin #define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname) 68*d0ef721eSBaptiste Daroussin #define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname) 69*d0ef721eSBaptiste Daroussin #define HIST_SAVE_FP(el, fp) HIST_FUN(el, H_SAVE_FP, fp) 70*d0ef721eSBaptiste Daroussin #define HIST_NSAVE_FP(el, n, fp) HIST_FUN(el, H_NSAVE_FP, n, fp) 71*d0ef721eSBaptiste Daroussin 72*d0ef721eSBaptiste Daroussin libedit_private int hist_init(EditLine *); 73*d0ef721eSBaptiste Daroussin libedit_private void hist_end(EditLine *); 74*d0ef721eSBaptiste Daroussin libedit_private el_action_t hist_get(EditLine *); 75*d0ef721eSBaptiste Daroussin libedit_private int hist_set(EditLine *, hist_fun_t, void *); 76*d0ef721eSBaptiste Daroussin libedit_private int hist_command(EditLine *, int, const wchar_t **); 77*d0ef721eSBaptiste Daroussin libedit_private int hist_enlargebuf(EditLine *, size_t, size_t); 78*d0ef721eSBaptiste Daroussin libedit_private wchar_t *hist_convert(EditLine *, int, void *); 79*d0ef721eSBaptiste Daroussin 80*d0ef721eSBaptiste Daroussin #endif /* _h_el_hist */ 81