1*32fe07f8SJohn Marino /* $NetBSD: hist.h,v 1.13 2011/07/28 20:50:55 christos Exp $ */ 2*32fe07f8SJohn Marino 3*32fe07f8SJohn Marino /*- 4*32fe07f8SJohn Marino * Copyright (c) 1992, 1993 5*32fe07f8SJohn Marino * The Regents of the University of California. All rights reserved. 6*32fe07f8SJohn Marino * 7*32fe07f8SJohn Marino * This code is derived from software contributed to Berkeley by 8*32fe07f8SJohn Marino * Christos Zoulas of Cornell University. 9*32fe07f8SJohn Marino * 10*32fe07f8SJohn Marino * Redistribution and use in source and binary forms, with or without 11*32fe07f8SJohn Marino * modification, are permitted provided that the following conditions 12*32fe07f8SJohn Marino * are met: 13*32fe07f8SJohn Marino * 1. Redistributions of source code must retain the above copyright 14*32fe07f8SJohn Marino * notice, this list of conditions and the following disclaimer. 15*32fe07f8SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright 16*32fe07f8SJohn Marino * notice, this list of conditions and the following disclaimer in the 17*32fe07f8SJohn Marino * documentation and/or other materials provided with the distribution. 18*32fe07f8SJohn Marino * 3. Neither the name of the University nor the names of its contributors 19*32fe07f8SJohn Marino * may be used to endorse or promote products derived from this software 20*32fe07f8SJohn Marino * without specific prior written permission. 21*32fe07f8SJohn Marino * 22*32fe07f8SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23*32fe07f8SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24*32fe07f8SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25*32fe07f8SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26*32fe07f8SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27*32fe07f8SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28*32fe07f8SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29*32fe07f8SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30*32fe07f8SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31*32fe07f8SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32*32fe07f8SJohn Marino * SUCH DAMAGE. 33*32fe07f8SJohn Marino * 34*32fe07f8SJohn Marino * @(#)hist.h 8.1 (Berkeley) 6/4/93 35*32fe07f8SJohn Marino */ 36*32fe07f8SJohn Marino 37*32fe07f8SJohn Marino /* 38*32fe07f8SJohn Marino * el.hist.c: History functions 39*32fe07f8SJohn Marino */ 40*32fe07f8SJohn Marino #ifndef _h_el_hist 41*32fe07f8SJohn Marino #define _h_el_hist 42*32fe07f8SJohn Marino 43*32fe07f8SJohn Marino #include "histedit.h" 44*32fe07f8SJohn Marino 45*32fe07f8SJohn Marino typedef int (*hist_fun_t)(void *, TYPE(HistEvent) *, int, ...); 46*32fe07f8SJohn Marino 47*32fe07f8SJohn Marino typedef struct el_history_t { 48*32fe07f8SJohn Marino Char *buf; /* The history buffer */ 49*32fe07f8SJohn Marino size_t sz; /* Size of history buffer */ 50*32fe07f8SJohn Marino Char *last; /* The last character */ 51*32fe07f8SJohn Marino int eventno; /* Event we are looking for */ 52*32fe07f8SJohn Marino void * ref; /* Argument for history fcns */ 53*32fe07f8SJohn Marino hist_fun_t fun; /* Event access */ 54*32fe07f8SJohn Marino TYPE(HistEvent) ev; /* Event cookie */ 55*32fe07f8SJohn Marino } el_history_t; 56*32fe07f8SJohn Marino 57*32fe07f8SJohn Marino #define HIST_FUN_INTERNAL(el, fn, arg) \ 58*32fe07f8SJohn Marino ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \ 59*32fe07f8SJohn Marino fn, arg)) == -1) ? NULL : (el)->el_history.ev.str) 60*32fe07f8SJohn Marino #ifdef WIDECHAR 61*32fe07f8SJohn Marino #define HIST_FUN(el, fn, arg) \ 62*32fe07f8SJohn Marino (((el)->el_flags & NARROW_HISTORY) ? hist_convert(el, fn, arg) : \ 63*32fe07f8SJohn Marino HIST_FUN_INTERNAL(el, fn, arg)) 64*32fe07f8SJohn Marino #else 65*32fe07f8SJohn Marino #define HIST_FUN(el, fn, arg) HIST_FUN_INTERNAL(el, fn, arg) 66*32fe07f8SJohn Marino #endif 67*32fe07f8SJohn Marino 68*32fe07f8SJohn Marino 69*32fe07f8SJohn Marino #define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL) 70*32fe07f8SJohn Marino #define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL) 71*32fe07f8SJohn Marino #define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL) 72*32fe07f8SJohn Marino #define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL) 73*32fe07f8SJohn Marino #define HIST_SET(el, num) HIST_FUN(el, H_SET, num) 74*32fe07f8SJohn Marino #define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname) 75*32fe07f8SJohn Marino #define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname) 76*32fe07f8SJohn Marino 77*32fe07f8SJohn Marino protected int hist_init(EditLine *); 78*32fe07f8SJohn Marino protected void hist_end(EditLine *); 79*32fe07f8SJohn Marino protected el_action_t hist_get(EditLine *); 80*32fe07f8SJohn Marino protected int hist_set(EditLine *, hist_fun_t, void *); 81*32fe07f8SJohn Marino protected int hist_command(EditLine *, int, const Char **); 82*32fe07f8SJohn Marino protected int hist_enlargebuf(EditLine *, size_t, size_t); 83*32fe07f8SJohn Marino #ifdef WIDECHAR 84*32fe07f8SJohn Marino protected wchar_t *hist_convert(EditLine *, int, void *); 85*32fe07f8SJohn Marino #endif 86*32fe07f8SJohn Marino 87*32fe07f8SJohn Marino #endif /* _h_el_hist */ 88