11 * Unix Unicode-handling routines.
13 * FIXME: currently trivial stub versions assuming all codepages
17 void lpage_send(int codepage, char *buf, int len, int interactive)
19 ldisc_send(buf, len, interactive);
22 void luni_send(wchar_t * widebuf, int len, int interactive)
24 static char *linebuffer = 0;
25 static int linesize = 0;
26 int ratio = (in_utf(term))?6:1;
30 if (len * ratio > linesize) {
32 linebuffer = smalloc(len * ratio * 2 * sizeof(wchar_t));
33 linesize = len * ratio * 2;
37 /* UTF is a simple algorithm */
38 for (p = linebuffer, i = 0; i < len; i++) {
39 wchar_t ch = widebuf[i];
41 if ((ch&0xF800) == 0xD800) ch = '.';
45 } else if (ch < 0x800) {
46 *p++ = (0xC0 | (ch >> 6));
47 *p++ = (0x80 | (ch & 0x3F));
48 } else if (ch < 0x10000) {
49 *p++ = (0xE0 | (ch >> 12));
50 *p++ = (0x80 | ((ch >> 6) & 0x3F));
51 *p++ = (0x80 | (ch & 0x3F));
52 } else if (ch < 0x200000) {
53 *p++ = (0xF0 | (ch >> 18));
54 *p++ = (0x80 | ((ch >> 12) & 0x3F));
55 *p++ = (0x80 | ((ch >> 6) & 0x3F));
56 *p++ = (0x80 | (ch & 0x3F));
57 } else if (ch < 0x4000000) {
58 *p++ = (0xF8 | (ch >> 24));
59 *p++ = (0x80 | ((ch >> 18) & 0x3F));
60 *p++ = (0x80 | ((ch >> 12) & 0x3F));
61 *p++ = (0x80 | ((ch >> 6) & 0x3F));
62 *p++ = (0x80 | (ch & 0x3F));
64 *p++ = (0xFC | (ch >> 30));
65 *p++ = (0x80 | ((ch >> 24) & 0x3F));
66 *p++ = (0x80 | ((ch >> 18) & 0x3F));
67 *p++ = (0x80 | ((ch >> 12) & 0x3F));
68 *p++ = (0x80 | ((ch >> 6) & 0x3F));
69 *p++ = (0x80 | (ch & 0x3F));
73 for (p = linebuffer, i = 0; i < len; i++) {
74 wchar_t ch = widebuf[i];
82 ldisc_send(linebuffer, p - linebuffer, interactive);
85 int is_dbcs_leadbyte(int codepage, char byte)
87 return 0; /* we don't do DBCS */
90 int mb_to_wc(int codepage, int flags, char *mbstr, int mblen,
91 wchar_t *wcstr, int wclen)
94 while (mblen > 0 && wclen > 0) {
95 *wcstr++ = (unsigned char) *mbstr++;
96 mblen--, wclen--, ret++;
98 return ret; /* FIXME: check error codes! */
101 int wc_to_mb(int codepage, int flags, wchar_t *wcstr, int wclen,
102 char *mbstr, int mblen, char *defchr, int *defused)
107 while (mblen > 0 && wclen > 0) {
108 if (*wcstr >= 0x100) {
116 *mbstr++ = (unsigned char) *wcstr;
118 mblen--, wclen--, ret++;
120 return ret; /* FIXME: check error codes! */
126 /* Find the line control characters. FIXME: this is not right. */
127 for (i = 0; i < 256; i++)
128 if (i < ' ' || (i >= 0x7F && i < 0xA0))
131 unitab_ctrl[i] = 0xFF;
133 for (i = 0; i < 256; i++) {
134 unitab_line[i] = unitab_scoacs[i] = i;
135 unitab_xterm[i] = (i >= 0x5F && i < 0x7F) ? ((i+1) & 0x1F) : i;