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/* $OpenBSD: cinfo.c,v 1.16 2011/11/28 04:41:39 lum 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 "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:
#ifdef FKEYS
if (k >= KFIRST && k <= KLAST &&
(np = keystrings[k - KFIRST]) != NULL)
break;
#endif
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);
}
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