зеркало из https://github.com/github/putty.git
112 строки
3.1 KiB
C
112 строки
3.1 KiB
C
/* $Id: macucs.c,v 1.5 2003/01/14 19:57:36 ben Exp $ */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
|
|
#include <time.h>
|
|
#include "putty.h"
|
|
#include "terminal.h"
|
|
#include "misc.h"
|
|
#include "mac.h"
|
|
|
|
/*
|
|
* Mac Unicode-handling routines.
|
|
*
|
|
* FIXME: currently trivial stub versions assuming all codepages
|
|
* are ISO8859-1.
|
|
*
|
|
* What we _should_ do is to use the Text Encoding Conversion Manager
|
|
* when it's available, and have our own routines for converting to
|
|
* standard Mac OS scripts when it's not. Support for ATSUI might be
|
|
* nice, too.
|
|
*/
|
|
|
|
/*
|
|
* Determine whether a byte is the first byte of a double-byte
|
|
* character in a system character set. Only MI use is by clipme()
|
|
* when copying direct-to-font text to the clipboard.
|
|
*/
|
|
int is_dbcs_leadbyte(int codepage, char byte)
|
|
{
|
|
return 0; /* we don't do DBCS */
|
|
}
|
|
|
|
/*
|
|
* Convert from Unicode to a system character set. MI uses are:
|
|
* (1) by lpage_send(), whose only MI use is to convert the answerback
|
|
* string to Unicode, and
|
|
* (2) by clipme() when copying direct-to-font text to the clipboard.
|
|
*/
|
|
int mb_to_wc(int codepage, int flags, char *mbstr, int mblen,
|
|
wchar_t *wcstr, int wclen)
|
|
{
|
|
int ret = 0;
|
|
while (mblen > 0 && wclen > 0) {
|
|
*wcstr++ = (unsigned char) *mbstr++;
|
|
mblen--, wclen--, ret++;
|
|
}
|
|
return ret; /* FIXME: check error codes! */
|
|
}
|
|
|
|
/*
|
|
* Convert from a system character set to Unicode. Used by luni_send
|
|
* to convert Unicode into the line character set.
|
|
*/
|
|
int wc_to_mb(int codepage, int flags, wchar_t *wcstr, int wclen,
|
|
char *mbstr, int mblen, char *defchr, int *defused,
|
|
struct unicode_data *ucsdata)
|
|
{
|
|
int ret = 0;
|
|
if (defused)
|
|
*defused = 0;
|
|
while (mblen > 0 && wclen > 0) {
|
|
if (*wcstr >= 0x100) {
|
|
if (defchr)
|
|
*mbstr++ = *defchr;
|
|
else
|
|
*mbstr++ = '.';
|
|
if (defused)
|
|
*defused = 1;
|
|
} else
|
|
*mbstr++ = (unsigned char) *wcstr;
|
|
wcstr++;
|
|
mblen--, wclen--, ret++;
|
|
}
|
|
return ret; /* FIXME: check error codes! */
|
|
}
|
|
|
|
/* Character conversion array,
|
|
* the xterm one has the four scanlines that have no unicode 2.0
|
|
* equivalents mapped to their unicode 3.0 locations.
|
|
*/
|
|
static const wchar_t unitab_xterm_std[32] = {
|
|
0x2666, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1,
|
|
0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba,
|
|
0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c,
|
|
0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, 0x0020
|
|
};
|
|
|
|
void init_ucs(Session *s)
|
|
{
|
|
int i;
|
|
|
|
/* Find the line control characters. FIXME: this is not right. */
|
|
for (i = 0; i < 256; i++)
|
|
if (i < ' ' || (i >= 0x7F && i < 0xA0))
|
|
s->ucsdata.unitab_ctrl[i] = i;
|
|
else
|
|
s->ucsdata.unitab_ctrl[i] = 0xFF;
|
|
|
|
for (i = 0; i < 256; i++)
|
|
s->ucsdata.unitab_line[i] = s->ucsdata.unitab_scoacs[i] = i;
|
|
|
|
/* VT100 graphics - NB: Broken for non-ascii CP's */
|
|
memcpy(s->ucsdata.unitab_xterm, s->ucsdata.unitab_line,
|
|
sizeof(s->ucsdata.unitab_xterm));
|
|
memcpy(s->ucsdata.unitab_xterm + '`', unitab_xterm_std,
|
|
sizeof(unitab_xterm_std));
|
|
s->ucsdata.unitab_xterm['_'] = ' ';
|
|
|
|
}
|