/* c_gets():
* Get a string
*/
libedit_private int
c_gets(EditLine *el, wchar_t *buf, const wchar_t *prompt)
{
ssize_t len;
wchar_t *cp = el->el_line.buffer, ch;
if (prompt) {
len = (ssize_t)wcslen(prompt);
(void)memcpy(cp, prompt, (size_t)len * sizeof(*cp));
cp += len;
}
len = 0;
for (;;) {
el->el_line.cursor = cp;
*cp = ' ';
el->el_line.lastchar = cp + 1;
re_refresh(el);
if (el_wgetc(el, &ch) != 1) {
ed_end_of_file(el, 0);
len = -1;
break;
}
switch (ch) {
case L'\b': /* Delete and backspace */
case 0177:
if (len == 0) {
len = -1;
break;
}
len--;
cp--;
continue;
case 0033: /* ESC */
case L'\r': /* Newline */
case L'\n':
buf[len] = ch;
break;
default:
if (len >= (ssize_t)(EL_BUFSIZ - 16))
terminal_beep(el);
else {
buf[len++] = ch;
*cp++ = ch;
}
continue;
}
break;
}
el->el_line.buffer[0] = '\0';
el->el_line.lastchar = el->el_line.buffer;
el->el_line.cursor = el->el_line.buffer;
return (int)len;
}
public int
el_getc(EditLine *el, char *cp)
{
int num_read;
wchar_t wc = 0;
num_read = el_wgetc (el, &wc);
if (num_read > 0)
*cp = (char)wc;
return num_read;
}
/* read_getcmd():
* Get next command from the input stream,
* return 0 on success or -1 on EOF or error.
* Character values > 255 are not looked up in the map, but inserted.
*/
static int
read_getcmd(EditLine *el, el_action_t *cmdnum, wchar_t *ch)
{
static const wchar_t meta = (wchar_t)0x80;
el_action_t cmd;
int num;
el->el_errno = 0;
do {
if ((num = el_wgetc(el, ch)) != 1) {/* if EOF or error */
el->el_errno = num == 0 ? 0 : errno;
return -1;
}
#ifdef KANJI
if ((*ch & meta)) {
el->el_state.metanext = 0;
cmd = CcViMap[' '];
break;
} else
#endif /* KANJI */
if (el->el_state.metanext) {
el->el_state.metanext = 0;
*ch |= meta;
}
if (*ch >= N_KEYS)
cmd = ED_INSERT;
else
cmd = el->el_map.current[(unsigned char) *ch];
if (cmd == ED_SEQUENCE_LEAD_IN) {
keymacro_value_t val;
switch (keymacro_get(el, ch, &val)) {
case XK_CMD:
cmd = val.cmd;
break;
case XK_STR:
el_wpush(el, val.str);
break;
default:
EL_ABORT((el->el_errfile, "Bad XK_ type \n"));
break;
}
}
if (el->el_map.alt == NULL)
el->el_map.current = el->el_map.key;
} while (cmd == ED_SEQUENCE_LEAD_IN);
*cmdnum = cmd;
return 0;
}
/* ed_quoted_insert():
* Add the next character typed verbatim
* [^V] [^V]
*/
libedit_private el_action_t
/*ARGSUSED*/
ed_quoted_insert(EditLine *el, wint_t c __attribute__((__unused__)))
{
int num;
wchar_t ch;
tty_quotemode(el);
num = el_wgetc(el, &ch);
tty_noquotemode(el);
if (num == 1)
return ed_insert(el, ch);
else
return ed_end_of_file(el, 0);
}
