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
151
152
153
154
155
156
157
158
|
/* $OpenBSD: cinfo.c,v 1.18 2015/03/19 21:22:15 bcallah Exp $ */
/* This file is in the public domain. */
/*
* Character class tables.
* Do it yourself character classification
* macros, that understand the multinational character set,
* and let me ask some questions the standard macros (in
* ctype.h) don't let you ask.
*/
#include <sys/queue.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include "def.h"
/*
* This table, indexed by a character drawn
* from the 256 member character set, is used by my
* own character type macros to answer questions about the
* type of a character. It handles the full multinational
* character set, and lets me ask some questions that the
* standard "ctype" macros cannot ask.
*/
/*
* Due to incompatible behaviour between "standard" emacs and
* ctags word traversing, '_' character's value is changed on
* the fly in ctags mode, hence non-const.
*/
char cinfo[256] = {
_MG_C, _MG_C, _MG_C, _MG_C, /* 0x0X */
_MG_C, _MG_C, _MG_C, _MG_C,
_MG_C, _MG_C, _MG_C, _MG_C,
_MG_C, _MG_C, _MG_C, _MG_C,
_MG_C, _MG_C, _MG_C, _MG_C, /* 0x1X */
_MG_C, _MG_C, _MG_C, _MG_C,
_MG_C, _MG_C, _MG_C, _MG_C,
_MG_C, _MG_C, _MG_C, _MG_C,
0, _MG_P, 0, 0, /* 0x2X */
_MG_W, _MG_W, 0, _MG_W,
0, 0, 0, 0,
0, 0, _MG_P, 0,
_MG_D | _MG_W, _MG_D | _MG_W, _MG_D | _MG_W, _MG_D | _MG_W, /* 0x3X */
_MG_D | _MG_W, _MG_D | _MG_W, _MG_D | _MG_W, _MG_D | _MG_W,
_MG_D | _MG_W, _MG_D | _MG_W, 0, 0,
0, 0, 0, _MG_P,
0, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, /* 0x4X */
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W,
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W,
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W,
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, /* 0x5X */
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W,
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, 0,
0, 0, 0, 0,
0, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, /* 0x6X */
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W,
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W,
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W,
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, /* 0x7X */
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W,
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, 0,
0, 0, 0, _MG_C,
0, 0, 0, 0, /* 0x8X */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0, /* 0x9X */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0, /* 0xAX */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0, /* 0xBX */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, /* 0xCX */
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W,
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W,
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W,
0, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, /* 0xDX */
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W,
_MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W, _MG_U | _MG_W,
_MG_U | _MG_W, _MG_U | _MG_W, 0, _MG_W,
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, /* 0xEX */
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W,
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W,
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W,
0, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, /* 0xFX */
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W,
_MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W, _MG_L | _MG_W,
_MG_L | _MG_W, _MG_L | _MG_W, 0, 0
};
/*
* Find the name of a keystroke. Needs to be changed to handle 8-bit printing
* characters and function keys better. Returns a pointer to the terminating
* '\0'. Returns NULL on failure.
*/
char *
getkeyname(char *cp, size_t len, int k)
{
const char *np;
size_t copied;
if (k < 0)
k = CHARMASK(k); /* sign extended char */
switch (k) {
case CCHR('@'):
np = "C-SPC";
break;
case CCHR('I'):
np = "TAB";
break;
case CCHR('M'):
np = "RET";
break;
case CCHR('['):
np = "ESC";
break;
case ' ':
np = "SPC";
break; /* yuck again */
case CCHR('?'):
np = "DEL";
break;
default:
if (k >= KFIRST && k <= KLAST &&
(np = keystrings[k - KFIRST]) != NULL)
break;
if (k > CCHR('?')) {
*cp++ = '0';
*cp++ = ((k >> 6) & 7) + '0';
*cp++ = ((k >> 3) & 7) + '0';
*cp++ = (k & 7) + '0';
*cp = '\0';
return (cp);
} else if (k < ' ') {
*cp++ = 'C';
*cp++ = '-';
k = CCHR(k);
if (ISUPPER(k))
k = TOLOWER(k);
}
*cp++ = k;
*cp = '\0';
return (cp);
}
copied = strlcpy(cp, np, len);
if (copied >= len)
copied = len - 1;
return (cp + copied);
}
|
