xref: /netbsd/lib/libedit/chared.h (revision c4a72b64)
1 /*	$NetBSD: chared.h,v 1.11 2002/11/20 16:50:08 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. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *	@(#)chared.h	8.1 (Berkeley) 6/4/93
39  */
40 
41 /*
42  * el.chared.h: Character editor interface
43  */
44 #ifndef _h_el_chared
45 #define	_h_el_chared
46 
47 #include <ctype.h>
48 #include <string.h>
49 
50 #include "histedit.h"
51 
52 #define	EL_MAXMACRO	10
53 
54 /*
55  * This is a issue of basic "vi" look-and-feel. Defining VI_MOVE works
56  * like real vi: i.e. the transition from command<->insert modes moves
57  * the cursor.
58  *
59  * On the other hand we really don't want to move the cursor, because
60  * all the editing commands don't include the character under the cursor.
61  * Probably the best fix is to make all the editing commands aware of
62  * this fact.
63  */
64 #define	VI_MOVE
65 
66 
67 typedef struct c_macro_t {
68 	int	  level;
69 	char	**macro;
70 	char	 *nline;
71 } c_macro_t;
72 
73 /*
74  * Undo information for vi - no undo in emacs (yet)
75  */
76 typedef struct c_undo_t {
77 	int	 len;			/* length of saved line */
78 	int	 cursor;		/* position of saved cursor */
79 	char	*buf;			/* full saved text */
80 } c_undo_t;
81 
82 /* redo for vi */
83 typedef struct c_redo_t {
84 	char	*buf;			/* redo insert key sequence */
85 	char	*pos;
86 	char	*lim;
87 	el_action_t	cmd;		/* command to redo */
88 	char	ch;			/* char that invoked it */
89 	int	count;
90 	int	action;			/* from cv_action() */
91 } c_redo_t;
92 
93 /*
94  * Current action information for vi
95  */
96 typedef struct c_vcmd_t {
97 	int	 action;
98 	char	*pos;
99 } c_vcmd_t;
100 
101 /*
102  * Kill buffer for emacs
103  */
104 typedef struct c_kill_t {
105 	char	*buf;
106 	char	*last;
107 	char	*mark;
108 } c_kill_t;
109 
110 /*
111  * Note that we use both data structures because the user can bind
112  * commands from both editors!
113  */
114 typedef struct el_chared_t {
115 	c_undo_t	c_undo;
116 	c_kill_t	c_kill;
117 	c_redo_t	c_redo;
118 	c_vcmd_t	c_vcmd;
119 	c_macro_t	c_macro;
120 } el_chared_t;
121 
122 
123 #define	STReof		"^D\b\b"
124 #define	STRQQ		"\"\""
125 
126 #define	isglob(a)	(strchr("*[]?", (a)) != NULL)
127 #define	isword(a)	(isprint(a))
128 
129 #define	NOP		0x00
130 #define	DELETE		0x01
131 #define	INSERT		0x02
132 #define	YANK		0x04
133 
134 #define	CHAR_FWD	(+1)
135 #define	CHAR_BACK	(-1)
136 
137 #define	MODE_INSERT	0
138 #define	MODE_REPLACE	1
139 #define	MODE_REPLACE_1	2
140 
141 #include "common.h"
142 #include "vi.h"
143 #include "emacs.h"
144 #include "search.h"
145 #include "fcns.h"
146 
147 
148 protected int	 cv__isword(int);
149 protected int	 cv__isWord(int);
150 protected void	 cv_delfini(EditLine *);
151 protected char	*cv__endword(char *, char *, int, int (*)(int));
152 protected int	 ce__isword(int);
153 protected void	 cv_undo(EditLine *);
154 protected void	 cv_yank(EditLine *, const char *, int);
155 protected char	*cv_next_word(EditLine*, char *, char *, int, int (*)(int));
156 protected char	*cv_prev_word(char *, char *, int, int (*)(int));
157 protected char	*c__next_word(char *, char *, int, int (*)(int));
158 protected char	*c__prev_word(char *, char *, int, int (*)(int));
159 protected void	 c_insert(EditLine *, int);
160 protected void	 c_delbefore(EditLine *, int);
161 protected void	 c_delafter(EditLine *, int);
162 protected int	 c_gets(EditLine *, char *, const char *);
163 protected int	 c_hpos(EditLine *);
164 
165 protected int	 ch_init(EditLine *);
166 protected void	 ch_reset(EditLine *);
167 protected int	 ch_enlargebufs(EditLine *, size_t);
168 protected void	 ch_end(EditLine *);
169 
170 #endif /* _h_el_chared */
171