2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Christos Zoulas of Cornell University.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
36 * @(#)el.h 8.1 (Berkeley) 6/4/93
37 * $NetBSD: el.h,v 1.7 2000/11/11 22:18:57 christos Exp $
42 * el.h: Internal structures.
54 #include <sys/types.h>
56 #define EL_BUFSIZ 1024 /* Maximum line size */
58 #define HANDLE_SIGNALS 1<<0
60 #define EDIT_DISABLED 1<<2
62 typedef int bool_t; /* True or not */
64 typedef unsigned char el_action_t; /* Index to command array */
66 typedef struct coord_t { /* Position on the screen */
71 typedef struct el_line_t {
72 char *buffer; /* Input line */
73 char *cursor; /* Cursor position */
74 char *lastchar; /* Last character */
75 const char *limit; /* Max position */
81 typedef struct el_state_t {
82 int inputmode; /* What mode are we in? */
83 int doingarg; /* Are we getting an argument? */
84 int argument; /* Numeric argument */
85 int metanext; /* Is the next char a meta char */
86 el_action_t lastcmd; /* Previous command */
90 * Until we come up with something better...
92 #define el_malloc(a) malloc(a)
93 #define el_realloc(a,b) realloc(a, b)
94 #define el_reallocf(a,b) reallocf(a, b)
95 #define el_free(a) free(a)
112 char *el_prog; /* the program name */
113 FILE *el_outfile; /* Stdio stuff */
114 FILE *el_errfile; /* Stdio stuff */
115 int el_infd; /* Input file descriptor */
116 int el_flags; /* Various flags. */
117 coord_t el_cursor; /* Cursor location */
118 char **el_display; /* Real screen image = what is there */
119 char **el_vdisplay; /* Virtual screen image = what we see */
120 el_line_t el_line; /* The current line information */
121 el_state_t el_state; /* Current editor state */
122 el_term_t el_term; /* Terminal dependent stuff */
123 el_tty_t el_tty; /* Tty dependent stuff */
124 el_refresh_t el_refresh; /* Refresh stuff */
125 el_prompt_t el_prompt; /* Prompt stuff */
126 el_prompt_t el_rprompt; /* Prompt stuff */
127 el_chared_t el_chared; /* Characted editor stuff */
128 el_map_t el_map; /* Key mapping stuff */
129 el_key_t el_key; /* Key binding stuff */
130 el_history_t el_history; /* History stuff */
131 el_search_t el_search; /* Search stuff */
132 el_signal_t el_signal; /* Signal handling stuff */
134 void *data; /* user data */
137 protected int el_editmode(EditLine *, int, char **);
140 #define EL_ABORT(a) (void) (fprintf(el->el_errfile, "%s, %d: ", \
141 __FILE__, __LINE__), fprintf a, abort())
143 #define EL_ABORT(a) abort()