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. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)chared.h	8.1 (Berkeley) 6/4/93
33 *	$NetBSD: chared.h,v 1.18 2009/02/15 21:55:23 christos Exp $
34 * $FreeBSD$
35 */
36
37/*
38 * el.chared.h: Character editor interface
39 */
40#ifndef _h_el_chared
41#define	_h_el_chared
42
43#include <ctype.h>
44#include <string.h>
45
46#include "histedit.h"
47
48#define	EL_MAXMACRO	10
49
50/*
51 * This is an issue of basic "vi" look-and-feel. Defining VI_MOVE works
52 * like real vi: i.e. the transition from command<->insert modes moves
53 * the cursor.
54 *
55 * On the other hand we really don't want to move the cursor, because
56 * all the editing commands don't include the character under the cursor.
57 * Probably the best fix is to make all the editing commands aware of
58 * this fact.
59 */
60#define	VI_MOVE
61
62
63typedef struct c_macro_t {
64	int	  level;
65	int	  offset;
66	char	**macro;
67} c_macro_t;
68
69/*
70 * Undo information for vi - no undo in emacs (yet)
71 */
72typedef struct c_undo_t {
73	ssize_t	 len;			/* length of saved line */
74	int	 cursor;		/* position of saved cursor */
75	char	*buf;			/* full saved text */
76} c_undo_t;
77
78/* redo for vi */
79typedef struct c_redo_t {
80	char	*buf;			/* redo insert key sequence */
81	char	*pos;
82	char	*lim;
83	el_action_t	cmd;		/* command to redo */
84	char	ch;			/* char that invoked it */
85	int	count;
86	int	action;			/* from cv_action() */
87} c_redo_t;
88
89/*
90 * Current action information for vi
91 */
92typedef struct c_vcmd_t {
93	int	 action;
94	char	*pos;
95} c_vcmd_t;
96
97/*
98 * Kill buffer for emacs
99 */
100typedef struct c_kill_t {
101	char	*buf;
102	char	*last;
103	char	*mark;
104} c_kill_t;
105
106/*
107 * Note that we use both data structures because the user can bind
108 * commands from both editors!
109 */
110typedef struct el_chared_t {
111	c_undo_t	c_undo;
112	c_kill_t	c_kill;
113	c_redo_t	c_redo;
114	c_vcmd_t	c_vcmd;
115	c_macro_t	c_macro;
116} el_chared_t;
117
118
119#define	STRQQ		"\"\""
120
121#define	isglob(a)	(strchr("*[]?", (a)) != NULL)
122#define	isword(a)	(isprint(a))
123
124#define	NOP		0x00
125#define	DELETE		0x01
126#define	INSERT		0x02
127#define	YANK		0x04
128
129#define	CHAR_FWD	(+1)
130#define	CHAR_BACK	(-1)
131
132#define	MODE_INSERT	0
133#define	MODE_REPLACE	1
134#define	MODE_REPLACE_1	2
135
136#include "common.h"
137#include "vi.h"
138#include "emacs.h"
139#include "search.h"
140#include "fcns.h"
141
142
143protected int	 cv__isword(int);
144protected int	 cv__isWord(int);
145protected void	 cv_delfini(EditLine *);
146protected char	*cv__endword(char *, char *, int, int (*)(int));
147protected int	 ce__isword(int);
148protected void	 cv_undo(EditLine *);
149protected void	 cv_yank(EditLine *, const char *, int);
150protected char	*cv_next_word(EditLine*, char *, char *, int, int (*)(int));
151protected char	*cv_prev_word(char *, char *, int, int (*)(int));
152protected char	*c__next_word(char *, char *, int, int (*)(int));
153protected char	*c__prev_word(char *, char *, int, int (*)(int));
154protected void	 c_insert(EditLine *, int);
155protected void	 c_delbefore(EditLine *, int);
156protected void	 c_delbefore1(EditLine *);
157protected void	 c_delafter(EditLine *, int);
158protected void	 c_delafter1(EditLine *);
159protected int	 c_gets(EditLine *, char *, const char *);
160protected int	 c_hpos(EditLine *);
161
162protected int	 ch_init(EditLine *);
163protected void	 ch_reset(EditLine *, int);
164protected int	 ch_enlargebufs(EditLine *, size_t);
165protected void	 ch_end(EditLine *);
166
167#endif /* _h_el_chared */
168