void shell_write_char(EditState *e, int c)
{
char ch;
if (e->interactive) {
ShellState *s = e->b->priv_data;
ch = c;
tty_write(s, &ch, 1);
} else {
switch (c) {
case 4:
do_delete_char(e);
break;
case 9:
do_tab(e);
break;
case 11:
do_kill_region(e, 2);
break;
case 127:
do_backspace(e);
break;
case '\r':
do_return(e);
break;
default:
text_write_char(e, c);
break;
}
}
}
void hex_write_char(EditState *s, int key)
{
unsigned int cur_ch, ch;
int hsize, shift, cur_len, len, h;
char buf[10];
if (s->hex_mode) {
if (s->unihex_mode)
hsize = 4;
else
hsize = 2;
h = to_hex(key);
if (h < 0)
return;
if (s->insert && s->hex_nibble == 0) {
ch = h << ((hsize - 1) * 4);
if (s->unihex_mode) {
len = unicode_to_charset(buf, ch, s->b->charset);
} else {
len = 1;
buf[0] = ch;
}
eb_insert(s->b, s->offset, buf, len);
} else {
if (s->unihex_mode) {
cur_ch = eb_nextc(s->b, s->offset, &cur_len);
cur_len -= s->offset;
} else {
eb_read(s->b, s->offset, buf, 1);
cur_ch = buf[0];
cur_len = 1;
}
shift = (hsize - s->hex_nibble - 1) * 4;
ch = (cur_ch & ~(0xf << shift)) | (h << shift);
if (s->unihex_mode) {
len = unicode_to_charset(buf, ch, s->b->charset);
} else {
len = 1;
buf[0] = ch;
}
#if 1
eb_replace(s->b, s->offset, cur_len, buf, len);
#else
if (cur_len == len) {
eb_write(s->b, s->offset, buf, len);
} else {
eb_delete(s->b, s->offset, cur_len);
eb_insert(s->b, s->offset, buf, len);
}
#endif
}
if (++s->hex_nibble == hsize) {
s->hex_nibble = 0;
if (s->offset < s->b->total_size)
s->offset += len;
}
} else {
text_write_char(s, key);
}
}
