1/*	$NetBSD: chared.h,v 1.2 2005/05/11 01:17:39 lukem Exp $	*/
2/*	from	NetBSD: chared.h,v 1.14 2004/08/13 12:10:39 mycroft Exp	*/
3
4/*-
5 * Copyright (c) 1992, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Christos Zoulas of Cornell University.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	@(#)chared.h	8.1 (Berkeley) 6/4/93
36 */
37
38/*
39 * el.chared.h: Character editor interface
40 */
41#ifndef _h_el_chared
42#define	_h_el_chared
43
44#include <ctype.h>
45#include <string.h>
46
47#include "histedit.h"
48
49#define	EL_MAXMACRO	10
50
51/*
52 * This is a issue of basic "vi" look-and-feel. Defining VI_MOVE works
53 * like real vi: i.e. the transition from command<->insert modes moves
54 * the cursor.
55 *
56 * On the other hand we really don't want to move the cursor, because
57 * all the editing commands don't include the character under the cursor.
58 * Probably the best fix is to make all the editing commands aware of
59 * this fact.
60 */
61#define	VI_MOVE
62
63
64typedef struct c_macro_t {
65	int	  level;
66	int	  offset;
67	char	**macro;
68} c_macro_t;
69
70/*
71 * Undo information for vi - no undo in emacs (yet)
72 */
73typedef struct c_undo_t {
74	int	 len;			/* length of saved line */
75	int	 cursor;		/* position of saved cursor */
76	char	*buf;			/* full saved text */
77} c_undo_t;
78
79/* redo for vi */
80typedef struct c_redo_t {
81	char	*buf;			/* redo insert key sequence */
82	char	*pos;
83	char	*lim;
84	el_action_t	cmd;		/* command to redo */
85	char	ch;			/* char that invoked it */
86	int	count;
87	int	action;			/* from cv_action() */
88} c_redo_t;
89
90/*
91 * Current action information for vi
92 */
93typedef struct c_vcmd_t {
94	int	 action;
95	char	*pos;
96} c_vcmd_t;
97
98/*
99 * Kill buffer for emacs
100 */
101typedef struct c_kill_t {
102	char	*buf;
103	char	*last;
104	char	*mark;
105} c_kill_t;
106
107/*
108 * Note that we use both data structures because the user can bind
109 * commands from both editors!
110 */
111typedef struct el_chared_t {
112	c_undo_t	c_undo;
113	c_kill_t	c_kill;
114	c_redo_t	c_redo;
115	c_vcmd_t	c_vcmd;
116	c_macro_t	c_macro;
117} el_chared_t;
118
119
120#define	STReof		"^D\b\b"
121#define	STRQQ		"\"\""
122
123#define	isglob(a)	(strchr("*[]?", (a)) != NULL)
124#define	isword(a)	(isprint(a))
125
126#define	NOP		0x00
127#define	DELETE		0x01
128#define	INSERT		0x02
129#define	YANK		0x04
130
131#define	CHAR_FWD	(+1)
132#define	CHAR_BACK	(-1)
133
134#define	MODE_INSERT	0
135#define	MODE_REPLACE	1
136#define	MODE_REPLACE_1	2
137
138#include "common.h"
139#include "vi.h"
140#include "emacs.h"
141#include "search.h"
142#include "fcns.h"
143
144
145protected int	 cv__isword(int);
146protected int	 cv__isWord(int);
147protected void	 cv_delfini(EditLine *);
148protected char	*cv__endword(char *, char *, int, int (*)(int));
149protected int	 ce__isword(int);
150protected void	 cv_undo(EditLine *);
151protected void	 cv_yank(EditLine *, const char *, int);
152protected char	*cv_next_word(EditLine*, char *, char *, int, int (*)(int));
153protected char	*cv_prev_word(char *, char *, int, int (*)(int));
154protected char	*c__next_word(char *, char *, int, int (*)(int));
155protected char	*c__prev_word(char *, char *, int, int (*)(int));
156protected void	 c_insert(EditLine *, int);
157protected void	 c_delbefore(EditLine *, int);
158protected void	 c_delbefore1(EditLine *);
159protected void	 c_delafter(EditLine *, int);
160protected void	 c_delafter1(EditLine *);
161protected int	 c_gets(EditLine *, char *, const char *);
162protected int	 c_hpos(EditLine *);
163
164protected int	 ch_init(EditLine *);
165protected void	 ch_reset(EditLine *);
166protected int	 ch_enlargebufs(EditLine *, size_t);
167protected void	 ch_end(EditLine *);
168
169#endif /* _h_el_chared */
170