keymaps.c
3.55 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/* keymaps.c -- Functions and keymaps for the GNU Readline library. */
/* Copyright (C) 1988,1989 Free Software Foundation, Inc.
This file is part of GNU Readline, a library for reading lines
of text with interactive input and history editing.
Readline is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
Readline is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */
#include <stdio.h> /* for FILE * definition for readline.h */
#include "readline.h"
#include "rlconf.h"
#include "emacs_keymap.c"
#if defined (VI_MODE)
#include "vi_keymap.c"
#endif
#include "xmalloc.h"
/* **************************************************************** */
/* */
/* Functions for manipulating Keymaps. */
/* */
/* **************************************************************** */
/* Return a new, empty keymap.
Free it with free() when you are done. */
Keymap
rl_make_bare_keymap ()
{
register int i;
Keymap keymap = (Keymap)xmalloc (KEYMAP_SIZE * sizeof (KEYMAP_ENTRY));
for (i = 0; i < KEYMAP_SIZE; i++)
{
keymap[i].type = ISFUNC;
keymap[i].function = (rl_command_func_t *)NULL;
}
for (i = 'A'; i < ('Z' + 1); i++)
{
keymap[i].type = ISFUNC;
keymap[i].function = rl_do_lowercase_version;
}
return (keymap);
}
/* Return a new keymap which is a copy of MAP. */
Keymap
rl_copy_keymap (map)
Keymap map;
{
register int i;
Keymap temp = rl_make_bare_keymap ();
for (i = 0; i < KEYMAP_SIZE; i++)
{
temp[i].type = map[i].type;
temp[i].function = map[i].function;
}
return (temp);
}
/* Return a new keymap with the printing characters bound to rl_insert,
the uppercase Meta characters bound to run their lowercase equivalents,
and the Meta digits bound to produce numeric arguments. */
Keymap
rl_make_keymap ()
{
register int i;
Keymap newmap;
newmap = rl_make_bare_keymap ();
/* All ASCII printing characters are self-inserting. */
for (i = ' '; i < 127; i++)
newmap[i].function = rl_insert;
newmap[TAB].function = rl_insert;
newmap[RUBOUT].function = rl_rubout; /* RUBOUT == 127 */
newmap[CTRL('H')].function = rl_rubout;
#if KEYMAP_SIZE > 128
/* Printing characters in some 8-bit character sets. */
for (i = 128; i < 160; i++)
newmap[i].function = rl_insert;
/* ISO Latin-1 printing characters should self-insert. */
for (i = 160; i < 256; i++)
newmap[i].function = rl_insert;
#endif /* KEYMAP_SIZE > 128 */
return (newmap);
}
/* Free the storage associated with MAP. */
void
rl_discard_keymap (map)
Keymap map;
{
int i;
if (!map)
return;
for (i = 0; i < KEYMAP_SIZE; i++)
{
switch (map[i].type)
{
case ISFUNC:
break;
case ISKMAP:
rl_discard_keymap ((Keymap)map[i].function);
break;
case ISMACR:
free ((char *)map[i].function);
break;
}
}
}