static int
_rl_vi_change_mbchar_case(int count)
{
wchar_t wc;
char mb[MB_LEN_MAX + 1];
int mb_len;
mbstate_t ps;
memset(&ps, 0, sizeof(mbstate_t));
if (_rl_adjust_point(rl_line_buffer, rl_point, &ps) > 0)
count--;
while (count-- && (rl_point < rl_end))
{
mbrtowc(&wc, (rl_line_buffer + rl_point),
(size_t)(rl_end - rl_point), &ps);
if (iswupper(wc))
wc = towlower(wc);
else if (iswlower(wc))
wc = towupper(wc);
else
{
/* Just skip over chars neither upper nor lower case */
rl_forward_char(1, 0);
continue;
}
/* Vi is kind of strange here. */
if (wc)
{
mb_len = wctomb(mb, wc);
if (mb_len >= 0)
mb[mb_len] = '\0';
rl_begin_undo_group();
rl_delete(1, 0);
rl_insert_text(mb);
rl_end_undo_group();
rl_vi_check();
}
else
rl_forward_char(1, 0);
}
return 0;
}
int
rl_vi_change_case(int count, int ignore)
{
char c = 0;
/* Do NOT try this on an empty line: */
if (rl_point >= rl_end)
return (0);
#if defined(HANDLE_MULTIBYTE)
if ((MB_CUR_MAX > 1) && (rl_byte_oriented == 0))
return (_rl_vi_change_mbchar_case(count));
#endif
while (count-- && (rl_point < rl_end))
{
if (_rl_uppercase_p(rl_line_buffer[rl_point]))
c = (char)_rl_to_lower(rl_line_buffer[rl_point]);
else if (_rl_lowercase_p(rl_line_buffer[rl_point]))
c = (char)_rl_to_upper(rl_line_buffer[rl_point]);
else
{
/* Just skip over characters neither upper nor lower case. */
rl_forward_char (1, c);
continue;
}
/* Vi is kind of strange here. */
if (c)
{
rl_begin_undo_group ();
rl_delete (1, c);
_rl_insert_char (1, c);
rl_end_undo_group ();
rl_vi_check ();
}
else
rl_forward_char (1, c);
}
return (0);
}
int
rl_vi_change_case (int count, int ignore)
{
char c = 0;
/* Don't try this on an empty line. */
if (rl_point >= rl_end)
return (0);
while (count-- && rl_point < rl_end)
{
if (uppercase_p (rl_line_buffer[rl_point]))
c = to_lower (rl_line_buffer[rl_point]);
else if (lowercase_p (rl_line_buffer[rl_point]))
c = to_upper (rl_line_buffer[rl_point]);
else
{
/* Just skip over characters neither upper nor lower case. */
rl_forward (1, c);
continue;
}
/* Vi is kind of strange here. */
if (c)
{
rl_begin_undo_group ();
rl_delete (1, c);
rl_insert (1, c);
rl_end_undo_group ();
rl_vi_check ();
}
else
rl_forward (1, c);
}
return (0);
}