/* cv_action():
* Handle vi actions.
*/
static el_action_t
cv_action(EditLine *el, wint_t c)
{
if (el->el_chared.c_vcmd.action != NOP) {
/* 'cc', 'dd' and (possibly) friends */
if (c != (wint_t)el->el_chared.c_vcmd.action)
return CC_ERROR;
if (!(c & YANK))
cv_undo(el);
cv_yank(el, el->el_line.buffer,
(int)(el->el_line.lastchar - el->el_line.buffer));
el->el_chared.c_vcmd.action = NOP;
el->el_chared.c_vcmd.pos = 0;
if (!(c & YANK)) {
el->el_line.lastchar = el->el_line.buffer;
el->el_line.cursor = el->el_line.buffer;
}
if (c & INSERT)
el->el_map.current = el->el_map.key;
return CC_REFRESH;
}
el->el_chared.c_vcmd.pos = el->el_line.cursor;
el->el_chared.c_vcmd.action = c;
return CC_ARGHACK;
}
/* cv_paste():
* Paste previous deletion before or after the cursor
*/
static el_action_t
cv_paste(EditLine *el, wint_t c)
{
c_kill_t *k = &el->el_chared.c_kill;
size_t len = (size_t)(k->last - k->buf);
if (k->buf == NULL || len == 0)
return CC_ERROR;
#ifdef DEBUG_PASTE
(void) fprintf(el->el_errfile, "Paste: \"%.*ls\"\n", (int)len,
k->buf);
#endif
cv_undo(el);
if (!c && el->el_line.cursor < el->el_line.lastchar)
el->el_line.cursor++;
c_insert(el, (int)len);
if (el->el_line.cursor + len > el->el_line.lastchar)
return CC_ERROR;
(void) memcpy(el->el_line.cursor, k->buf, len *
sizeof(*el->el_line.cursor));
return CC_REFRESH;
}
/* vi_change_case():
* Vi change case of character under the cursor and advance one character
* [~]
*/
libedit_private el_action_t
vi_change_case(EditLine *el, wint_t c)
{
int i;
if (el->el_line.cursor >= el->el_line.lastchar)
return CC_ERROR;
cv_undo(el);
for (i = 0; i < el->el_state.argument; i++) {
c = *el->el_line.cursor;
if (iswupper(c))
*el->el_line.cursor = towlower(c);
else if (iswlower(c))
*el->el_line.cursor = towupper(c);
if (++el->el_line.cursor >= el->el_line.lastchar) {
el->el_line.cursor--;
re_fastaddc(el);
break;
}
re_fastaddc(el);
}
return CC_NORM;
}
/* vi_undo_line():
* Vi undo all changes to line
* [U]
*/
libedit_private el_action_t
/*ARGSUSED*/
vi_undo_line(EditLine *el, wint_t c __attribute__((__unused__)))
{
cv_undo(el);
return hist_get(el);
}
/* vi_insert():
* Vi enter insert mode
* [i]
*/
libedit_private el_action_t
/*ARGSUSED*/
vi_insert(EditLine *el, wint_t c __attribute__((__unused__)))
{
el->el_map.current = el->el_map.key;
cv_undo(el);
return CC_NORM;
}
/* vi_add_at_eol():
* Vi enter insert mode at end of line
* [A]
*/
libedit_private el_action_t
/*ARGSUSED*/
vi_add_at_eol(EditLine *el, wint_t c __attribute__((__unused__)))
{
el->el_map.current = el->el_map.key;
el->el_line.cursor = el->el_line.lastchar;
cv_undo(el);
return CC_CURSOR;
}
/* vi_replace_mode():
* Vi enter replace mode
* [R]
*/
libedit_private el_action_t
/*ARGSUSED*/
vi_replace_mode(EditLine *el, wint_t c __attribute__((__unused__)))
{
el->el_map.current = el->el_map.key;
el->el_state.inputmode = MODE_REPLACE;
cv_undo(el);
return CC_NORM;
}
/* vi_insert_at_bol():
* Vi enter insert mode at the beginning of line
* [I]
*/
libedit_private el_action_t
/*ARGSUSED*/
vi_insert_at_bol(EditLine *el, wint_t c __attribute__((__unused__)))
{
el->el_line.cursor = el->el_line.buffer;
cv_undo(el);
el->el_map.current = el->el_map.key;
return CC_CURSOR;
}
/* vi_change_to_eol():
* Vi change to end of line
* [C]
*/
libedit_private el_action_t
/*ARGSUSED*/
vi_change_to_eol(EditLine *el, wint_t c __attribute__((__unused__)))
{
cv_undo(el);
cv_yank(el, el->el_line.cursor,
(int)(el->el_line.lastchar - el->el_line.cursor));
(void) ed_kill_line(el, 0);
el->el_map.current = el->el_map.key;
return CC_REFRESH;
}
/* vi_replace_char():
* Vi replace character under the cursor with the next character typed
* [r]
*/
libedit_private el_action_t
/*ARGSUSED*/
vi_replace_char(EditLine *el, wint_t c __attribute__((__unused__)))
{
if (el->el_line.cursor >= el->el_line.lastchar)
return CC_ERROR;
el->el_map.current = el->el_map.key;
el->el_state.inputmode = MODE_REPLACE_1;
cv_undo(el);
return CC_ARGHACK;
}
/* vi_history_word():
* Vi append word from previous input line
* [_]
* Who knows where this one came from!
* '_' in vi means 'entire current line', so 'cc' is a synonym for 'c_'
*/
libedit_private el_action_t
/*ARGSUSED*/
vi_history_word(EditLine *el, wint_t c __attribute__((__unused__)))
{
const wchar_t *wp = HIST_FIRST(el);
const wchar_t *wep, *wsp;
int len;
wchar_t *cp;
const wchar_t *lim;
if (wp == NULL)
return CC_ERROR;
wep = wsp = NULL;
do {
while (iswspace(*wp))
wp++;
if (*wp == 0)
break;
wsp = wp;
while (*wp && !iswspace(*wp))
wp++;
wep = wp;
} while ((!el->el_state.doingarg || --el->el_state.argument > 0)
&& *wp != 0);
if (wsp == NULL || (el->el_state.doingarg && el->el_state.argument != 0))
return CC_ERROR;
cv_undo(el);
len = (int)(wep - wsp);
if (el->el_line.cursor < el->el_line.lastchar)
el->el_line.cursor++;
c_insert(el, len + 1);
cp = el->el_line.cursor;
lim = el->el_line.limit;
if (cp < lim)
*cp++ = ' ';
while (wsp < wep && cp < lim)
*cp++ = *wsp++;
el->el_line.cursor = cp;
el->el_map.current = el->el_map.key;
return CC_REFRESH;
}
/* vi_add():
* Vi enter insert mode after the cursor
* [a]
*/
libedit_private el_action_t
/*ARGSUSED*/
vi_add(EditLine *el, wint_t c __attribute__((__unused__)))
{
int ret;
el->el_map.current = el->el_map.key;
if (el->el_line.cursor < el->el_line.lastchar) {
el->el_line.cursor++;
if (el->el_line.cursor > el->el_line.lastchar)
el->el_line.cursor = el->el_line.lastchar;
ret = CC_CURSOR;
} else
ret = CC_NORM;
cv_undo(el);
return (el_action_t)ret;
}
/* c_delafter():
* Delete num characters after the cursor
*/
libedit_private void
c_delafter(EditLine *el, int num)
{
if (el->el_line.cursor + num > el->el_line.lastchar)
num = (int)(el->el_line.lastchar - el->el_line.cursor);
if (el->el_map.current != el->el_map.emacs) {
cv_undo(el);
cv_yank(el, el->el_line.cursor, num);
}
if (num > 0) {
wchar_t *cp;
for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++)
*cp = cp[num];
el->el_line.lastchar -= num;
}
}
