xref: /netbsd-src/lib/libedit/chared.h (revision 481fca6e59249d8ffcf24fef7cfbe7b131bfb080)
1 /*	$NetBSD: chared.h,v 1.4 1999/07/02 15:21:23 simonb 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 both vi and emacs
75  */
76 typedef struct c_undo_t {
77     int    action;
78     size_t isize;
79     size_t dsize;
80     char  *ptr;
81     char  *buf;
82 } c_undo_t;
83 
84 /*
85  * Current action information for vi
86  */
87 typedef struct c_vcmd_t {
88     int   action;
89     char *pos;
90     char *ins;
91 } c_vcmd_t;
92 
93 /*
94  * Kill buffer for emacs
95  */
96 typedef struct c_kill_t {
97     char *buf;
98     char *last;
99     char *mark;
100 } c_kill_t;
101 
102 /*
103  * Note that we use both data structures because the user can bind
104  * commands from both editors!
105  */
106 typedef struct el_chared_t {
107     c_undo_t    c_undo;
108     c_kill_t    c_kill;
109     c_vcmd_t    c_vcmd;
110     c_macro_t   c_macro;
111 } el_chared_t;
112 
113 
114 #define STReof "^D\b\b"
115 #define STRQQ  "\"\""
116 
117 #define isglob(a) (strchr("*[]?", (a)) != NULL)
118 #define isword(a) (isprint(a))
119 
120 #define NOP    	  0x00
121 #define DELETE 	  0x01
122 #define INSERT 	  0x02
123 #define CHANGE 	  0x04
124 
125 #define CHAR_FWD	0
126 #define CHAR_BACK	1
127 
128 #define MODE_INSERT	0
129 #define MODE_REPLACE	1
130 #define MODE_REPLACE_1	2
131 
132 #include "common.h"
133 #include "vi.h"
134 #include "emacs.h"
135 #include "search.h"
136 #include "fcns.h"
137 
138 
139 protected int   cv__isword	__P((int));
140 protected void  cv_delfini	__P((EditLine *));
141 protected char *cv__endword	__P((char *, char *, int));
142 protected int   ce__isword	__P((int));
143 protected void  cv_undo		__P((EditLine *, int, size_t, char *));
144 protected char *cv_next_word	__P((EditLine*, char *, char *, int,
145 				     int (*)(int)));
146 protected char *cv_prev_word	__P((EditLine*, char *, char *, int,
147 				     int (*)(int)));
148 protected char *c__next_word	__P((char *, char *, int, int (*)(int)));
149 protected char *c__prev_word	__P((char *, char *, int, int (*)(int)));
150 protected void  c_insert	__P((EditLine *, int));
151 protected void  c_delbefore	__P((EditLine *, int));
152 protected void  c_delafter	__P((EditLine *, int));
153 protected int   c_gets		__P((EditLine *, char *));
154 protected int   c_hpos		__P((EditLine *));
155 
156 protected int   ch_init		__P((EditLine *));
157 protected void  ch_reset	__P((EditLine *));
158 protected void  ch_end		__P((EditLine *));
159 
160 #endif /* _h_el_chared */
161