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1/* $OpenBSD: chared.h,v 1.15 2016/05/22 23:09:56 schwarze Exp $ */
2/* $NetBSD: chared.h,v 1.20 2010/04/15 00:57:33 christos 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/*
45 * This is an issue of basic "vi" look-and-feel. Defining VI_MOVE works
46 * like real vi: i.e. the transition from command<->insert modes moves
47 * the cursor.
48 *
49 * On the other hand we really don't want to move the cursor, because
50 * all the editing commands don't include the character under the cursor.
51 * Probably the best fix is to make all the editing commands aware of
52 * this fact.
53 */
54#define VI_MOVE
55
56/*
57 * Undo information for vi - no undo in emacs (yet)
58 */
59typedef struct c_undo_t {
60 ssize_t len; /* length of saved line */
61 int cursor; /* position of saved cursor */
62 wchar_t *buf; /* full saved text */
63} c_undo_t;
64
65/* redo for vi */
66typedef struct c_redo_t {
67 wchar_t *buf; /* redo insert key sequence */
68 wchar_t *pos;
69 wchar_t *lim;
70 el_action_t cmd; /* command to redo */
71 wchar_t ch; /* char that invoked it */
72 int count;
73 int action; /* from cv_action() */
74} c_redo_t;
75
76/*
77 * Current action information for vi
78 */
79typedef struct c_vcmd_t {
80 int action;
81 wchar_t *pos;
82} c_vcmd_t;
83
84/*
85 * Kill buffer for emacs
86 */
87typedef struct c_kill_t {
88 wchar_t *buf;
89 wchar_t *last;
90 wchar_t *mark;
91} c_kill_t;
92
93typedef void (*el_zfunc_t)(EditLine *, void *);
94
95/*
96 * Note that we use both data structures because the user can bind
97 * commands from both editors!
98 */
99typedef struct el_chared_t {
100 c_undo_t c_undo;
101 c_kill_t c_kill;
102 c_redo_t c_redo;
103 c_vcmd_t c_vcmd;
104 el_zfunc_t c_resizefun;
105 void * c_resizearg;
106} el_chared_t;
107
108
109#define STRQQ "\"\""
110
111#define isglob(a) (strchr("*[]?", (a)) != NULL)
112
113#define NOP 0x00
114#define DELETE 0x01
115#define INSERT 0x02
116#define YANK 0x04
117
118#define CHAR_FWD (+1)
119#define CHAR_BACK (-1)
120
121#define MODE_INSERT 0
122#define MODE_REPLACE 1
123#define MODE_REPLACE_1 2
124
125
126protected int cv__isword(wint_t);
127protected int cv__isWord(wint_t);
128protected void cv_delfini(EditLine *);
129protected wchar_t *cv__endword(wchar_t *, wchar_t *, int, int (*)(wint_t));
130protected int ce__isword(wint_t);
131protected void cv_undo(EditLine *);
132protected void cv_yank(EditLine *, const wchar_t *, int);
133protected wchar_t *cv_next_word(EditLine*, wchar_t *, wchar_t *, int,
134 int (*)(wint_t));
135protected wchar_t *cv_prev_word(wchar_t *, wchar_t *, int, int (*)(wint_t));
136protected wchar_t *c__next_word(wchar_t *, wchar_t *, int, int (*)(wint_t));
137protected wchar_t *c__prev_word(wchar_t *, wchar_t *, int, int (*)(wint_t));
138protected void c_insert(EditLine *, int);
139protected void c_delbefore(EditLine *, int);
140protected void c_delbefore1(EditLine *);
141protected void c_delafter(EditLine *, int);
142protected void c_delafter1(EditLine *);
143protected int c_gets(EditLine *, wchar_t *, const wchar_t *);
144protected int c_hpos(EditLine *);
145
146protected int ch_init(EditLine *);
147protected void ch_reset(EditLine *);
148protected int ch_resizefun(EditLine *, el_zfunc_t, void *);
149protected int ch_enlargebufs(EditLine *, size_t);
150protected void ch_end(EditLine *);
151
152#endif /* _h_el_chared */