el.h revision 39327
1/*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Christos Zoulas of Cornell University. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)el.h 8.1 (Berkeley) 6/4/93 37 */ 38 39/* 40 * el.h: Internal structures. 41 */ 42#ifndef _h_el 43#define _h_el 44/* 45 * Local defaults 46 */ 47#define KSHVI 48#define VIDEFAULT 49#define ANCHOR 50 51#include <stdio.h> 52#include <sys/types.h> 53 54#define EL_BUFSIZ 1024 /* Maximum line size */ 55 56#define HANDLE_SIGNALS 1 57 58typedef int bool_t; /* True or not */ 59 60typedef unsigned char el_action_t; /* Index to command array */ 61 62typedef struct coord_t { /* Position on the screen */ 63 int h, v; 64} coord_t; 65 66typedef struct el_line_t { 67 char *buffer, /* Input line */ 68 *cursor, /* Cursor position */ 69 *lastchar, /* Last character */ 70 *limit; /* Max position */ 71} el_line_t; 72 73/* 74 * Editor state 75 */ 76typedef struct el_state_t { 77 int inputmode; /* What mode are we in? */ 78 int doingarg; /* Are we getting an argument? */ 79 int argument; /* Numeric argument */ 80 int metanext; /* Is the next char a meta char */ 81 el_action_t lastcmd; /* Previous command */ 82} el_state_t; 83 84/* 85 * Until we come up with something better... 86 */ 87#define el_malloc(a) malloc(a) 88#define el_realloc(a,b) realloc(a, b) 89#define el_reallocf(a,b) reallocf(a, b) 90#define el_free(a) free(a) 91 92#include "tty.h" 93#include "prompt.h" 94#include "key.h" 95#include "term.h" 96#include "refresh.h" 97#include "chared.h" 98#include "common.h" 99#include "search.h" 100#include "hist.h" 101#include "map.h" 102#include "parse.h" 103#include "sig.h" 104#include "help.h" 105 106struct editline { 107 char *el_prog; /* the program name */ 108 FILE *el_outfile; /* Stdio stuff */ 109 FILE *el_errfile; /* Stdio stuff */ 110 int el_infd; /* Input file descriptor */ 111 int el_flags; /* Various flags. */ 112 coord_t el_cursor; /* Cursor location */ 113 char **el_display, /* Real screen image = what is there */ 114 **el_vdisplay; /* Virtual screen image = what we see */ 115 116 el_line_t el_line; /* The current line information */ 117 el_state_t el_state; /* Current editor state */ 118 el_term_t el_term; /* Terminal dependent stuff */ 119 el_tty_t el_tty; /* Tty dependent stuff */ 120 el_refresh_t el_refresh; /* Refresh stuff */ 121 el_prompt_t el_prompt; /* Prompt stuff */ 122 el_chared_t el_chared; /* Characted editor stuff */ 123 el_map_t el_map; /* Key mapping stuff */ 124 el_key_t el_key; /* Key binding stuff */ 125 el_history_t el_history; /* History stuff */ 126 el_search_t el_search; /* Search stuff */ 127 el_signal_t el_signal; /* Signal handling stuff */ 128}; 129 130#endif /* _h_el */ 131