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
40 * el.h: Internal structures.
52 #include <sys/types.h>
54 #define EL_BUFSIZ 1024 /* Maximum line size */
56 #define HANDLE_SIGNALS 1
58 typedef int bool_t; /* True or not */
60 typedef unsigned char el_action_t; /* Index to command array */
62 typedef struct coord_t { /* Position on the screen */
66 typedef struct el_line_t {
67 char *buffer, /* Input line */
68 *cursor, /* Cursor position */
69 *lastchar, /* Last character */
70 *limit; /* Max position */
76 typedef 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 */
85 * Until we come up with something better...
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)
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 */
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 */
129 void *data; /* user data */