el.h revision 50070 
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    void         *data;		/* user data */
130};
131
132#endif /* _h_el */
133