1 /* $NetBSD: el.h,v 1.34 2016/02/24 17:13:22 christos Exp $ */
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Christos Zoulas of Cornell University.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * @(#)el.h 8.1 (Berkeley) 6/4/93
39 * el.h: Internal structures.
53 #define EL_BUFSIZ ((size_t)1024) /* Maximum line size */
55 #define HANDLE_SIGNALS 0x01
57 #define EDIT_DISABLED 0x04
58 #define UNBUFFERED 0x08
59 #define CHARSET_IS_UTF8 0x10
60 #define NARROW_HISTORY 0x40
62 typedef unsigned char el_action_t; /* Index to command array */
64 typedef struct coord_t { /* Position on the screen */
69 typedef struct el_line_t {
70 Char *buffer; /* Input line */
71 Char *cursor; /* Cursor position */
72 Char *lastchar; /* Last character */
73 const Char *limit; /* Max position */
79 typedef struct el_state_t {
80 int inputmode; /* What mode are we in? */
81 int doingarg; /* Are we getting an argument? */
82 int argument; /* Numeric argument */
83 int metanext; /* Is the next char a meta char */
84 el_action_t lastcmd; /* Previous command */
85 el_action_t thiscmd; /* this command */
86 Char thisch; /* char that generated it */
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_free(a) free(a)
104 #include "fcns.h" /* el_func_t is needed for map.h */
110 Char *el_prog; /* the program name */
111 FILE *el_infile; /* Stdio stuff */
112 FILE *el_outfile; /* Stdio stuff */
113 FILE *el_errfile; /* Stdio stuff */
114 int el_infd; /* Input file descriptor */
115 int el_outfd; /* Output file descriptor */
116 int el_errfd; /* Error file descriptor */
117 int el_flags; /* Various flags. */
118 int el_errno; /* Local copy of errno */
119 coord_t el_cursor; /* Cursor location */
120 Char **el_display; /* Real screen image = what is there */
121 Char **el_vdisplay; /* Virtual screen image = what we see */
122 void *el_data; /* Client data */
123 el_line_t el_line; /* The current line information */
124 el_state_t el_state; /* Current editor state */
125 el_terminal_t el_terminal; /* Terminal dependent stuff */
126 el_tty_t el_tty; /* Tty dependent stuff */
127 el_refresh_t el_refresh; /* Refresh stuff */
128 el_prompt_t el_prompt; /* Prompt stuff */
129 el_prompt_t el_rprompt; /* Prompt stuff */
130 el_chared_t el_chared; /* Characted editor stuff */
131 el_map_t el_map; /* Key mapping stuff */
132 el_keymacro_t el_keymacro; /* Key binding stuff */
133 el_history_t el_history; /* History stuff */
134 el_search_t el_search; /* Search stuff */
135 el_signal_t el_signal; /* Signal handling stuff */
136 el_read_t el_read; /* Character reading stuff */
138 ct_buffer_t el_scratch; /* Scratch conversion buffer */
139 ct_buffer_t el_lgcyconv; /* Buffer for legacy wrappers */
140 LineInfo el_lgcylinfo; /* Legacy LineInfo buffer */
144 protected int el_editmode(EditLine *, int, const Char **);
147 #define EL_ABORT(a) do { \
148 fprintf(el->el_errfile, "%s, %d: ", \
149 __FILE__, __LINE__); \
152 } while( /*CONSTCOND*/0);
154 #define EL_ABORT(a) abort()