1/*	$NetBSD: chared.h,v 1.27 2016/02/16 22:53:14 christos Exp $	*/
2
3/*-
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Christos Zoulas of Cornell University.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
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.
21 *
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
32 * SUCH DAMAGE.
33 *
34 *	@(#)chared.h	8.1 (Berkeley) 6/4/93
35 * $FreeBSD: stable/11/lib/libedit/chared.h 313981 2017-02-20 03:33:59Z pfg $
36 */
37
38/*
39 * el.chared.h: Character editor interface
40 */
41#ifndef _h_el_chared
42#define	_h_el_chared
43
44#define	EL_MAXMACRO	10
45
46/*
47 * This is an issue of basic "vi" look-and-feel. Defining VI_MOVE works
48 * like real vi: i.e. the transition from command<->insert modes moves
49 * the cursor.
50 *
51 * On the other hand we really don't want to move the cursor, because
52 * all the editing commands don't include the character under the cursor.
53 * Probably the best fix is to make all the editing commands aware of
54 * this fact.
55 */
56#define	VI_MOVE
57
58
59typedef struct c_macro_t {
60	int	  level;
61	int	  offset;
62	Char	**macro;
63} c_macro_t;
64
65/*
66 * Undo information for vi - no undo in emacs (yet)
67 */
68typedef struct c_undo_t {
69	ssize_t	 len;			/* length of saved line */
70	int	 cursor;		/* position of saved cursor */
71	Char	*buf;			/* full saved text */
72} c_undo_t;
73
74/* redo for vi */
75typedef struct c_redo_t {
76	Char	*buf;			/* redo insert key sequence */
77	Char	*pos;
78	Char	*lim;
79	el_action_t	cmd;		/* command to redo */
80	Char	ch;			/* char that invoked it */
81	int	count;
82	int	action;			/* from cv_action() */
83} c_redo_t;
84
85/*
86 * Current action information for vi
87 */
88typedef struct c_vcmd_t {
89	int	 action;
90	Char	*pos;
91} c_vcmd_t;
92
93/*
94 * Kill buffer for emacs
95 */
96typedef struct c_kill_t {
97	Char	*buf;
98	Char	*last;
99	Char	*mark;
100} c_kill_t;
101
102typedef void (*el_zfunc_t)(EditLine *, void *);
103typedef const char *(*el_afunc_t)(void *, const char *);
104
105/*
106 * Note that we use both data structures because the user can bind
107 * commands from both editors!
108 */
109typedef struct el_chared_t {
110	c_undo_t	c_undo;
111	c_kill_t	c_kill;
112	c_redo_t	c_redo;
113	c_vcmd_t	c_vcmd;
114	c_macro_t	c_macro;
115	el_zfunc_t	c_resizefun;
116	el_afunc_t	c_aliasfun;
117	void *		c_resizearg;
118	void *		c_aliasarg;
119} el_chared_t;
120
121
122#define	STRQQ		"\"\""
123
124#define	isglob(a)	(strchr("*[]?", (a)) != NULL)
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
139protected int	 cv__isword(wint_t);
140protected int	 cv__isWord(wint_t);
141protected void	 cv_delfini(EditLine *);
142protected Char	*cv__endword(Char *, Char *, int, int (*)(wint_t));
143protected int	 ce__isword(wint_t);
144protected void	 cv_undo(EditLine *);
145protected void	 cv_yank(EditLine *, const Char *, int);
146protected Char	*cv_next_word(EditLine*, Char *, Char *, int, int (*)(wint_t));
147protected Char	*cv_prev_word(Char *, Char *, int, int (*)(wint_t));
148protected Char	*c__next_word(Char *, Char *, int, int (*)(wint_t));
149protected Char	*c__prev_word(Char *, Char *, int, int (*)(wint_t));
150protected void	 c_insert(EditLine *, int);
151protected void	 c_delbefore(EditLine *, int);
152protected void	 c_delbefore1(EditLine *);
153protected void	 c_delafter(EditLine *, int);
154protected void	 c_delafter1(EditLine *);
155protected int	 c_gets(EditLine *, Char *, const Char *);
156protected int	 c_hpos(EditLine *);
157
158protected int	 ch_init(EditLine *);
159protected void	 ch_reset(EditLine *, int);
160protected int	 ch_resizefun(EditLine *, el_zfunc_t, void *);
161protected int	 ch_aliasfun(EditLine *, el_afunc_t, void *);
162protected int	 ch_enlargebufs(EditLine *, size_t);
163protected void	 ch_end(EditLine *);
164
165#endif /* _h_el_chared */
166