void readline_update(t_readline *readline, char *c)
{
int i;
i = -1;
while (c[++i])
{
if (c[i] == '\x7f')
readline_delete_char(readline);
else
readline_insert_char(readline, c[i]);
}
}
/* return true if command handled */
void readline_handle_byte(ReadLineState *rs, int ch)
{
switch(rs->esc_state) {
case IS_NORM:
switch(ch) {
case 1:
readline_bol(rs);
break;
case 4:
readline_delete_char(rs);
break;
case 5:
readline_eol(rs);
break;
case 9:
readline_completion(rs);
break;
case 10:
case 13:
rs->cmd_buf[rs->cmd_buf_size] = '\0';
if (!rs->read_password)
readline_hist_add(rs, rs->cmd_buf);
monitor_printf(rs->mon, "\n");
rs->cmd_buf_index = 0;
rs->cmd_buf_size = 0;
rs->last_cmd_buf_index = 0;
rs->last_cmd_buf_size = 0;
rs->readline_func(rs->mon, rs->cmd_buf, rs->readline_opaque);
break;
case 23:
/* ^W */
readline_backword(rs);
break;
case 27:
rs->esc_state = IS_ESC;
break;
case 127:
case 8:
readline_backspace(rs);
break;
case 155:
rs->esc_state = IS_CSI;
break;
default:
if (ch >= 32) {
readline_insert_char(rs, ch);
}
break;
}
break;
case IS_ESC:
if (ch == '[') {
rs->esc_state = IS_CSI;
rs->esc_param = 0;
} else {
rs->esc_state = IS_NORM;
}
break;
case IS_CSI:
switch(ch) {
case 'A':
case 'F':
readline_up_char(rs);
break;
case 'B':
case 'E':
readline_down_char(rs);
break;
case 'D':
readline_backward_char(rs);
break;
case 'C':
readline_forward_char(rs);
break;
case '0' ... '9':
rs->esc_param = rs->esc_param * 10 + (ch - '0');
goto the_end;
case '~':
switch(rs->esc_param) {
case 1:
readline_bol(rs);
break;
case 3:
readline_delete_char(rs);
break;
case 4:
readline_eol(rs);
break;
}
break;
default:
break;
}
rs->esc_state = IS_NORM;
the_end:
break;
}
readline_update(rs);
}
static void readline_completion(ReadLineState *rs)
{
Monitor *mon = cur_mon;
int len, i, j, max_width, nb_cols, max_prefix;
char *cmdline;
rs->nb_completions = 0;
cmdline = g_malloc(rs->cmd_buf_index + 1);
memcpy(cmdline, rs->cmd_buf, rs->cmd_buf_index);
cmdline[rs->cmd_buf_index] = '\0';
rs->completion_finder(cmdline);
g_free(cmdline);
/* no completion found */
if (rs->nb_completions <= 0)
return;
if (rs->nb_completions == 1) {
len = strlen(rs->completions[0]);
for(i = rs->completion_index; i < len; i++) {
readline_insert_char(rs, rs->completions[0][i]);
}
/* extra space for next argument. XXX: make it more generic */
if (len > 0 && rs->completions[0][len - 1] != '/')
readline_insert_char(rs, ' ');
} else {
monitor_printf(mon, "\n");
max_width = 0;
max_prefix = 0;
for(i = 0; i < rs->nb_completions; i++) {
len = strlen(rs->completions[i]);
if (i==0) {
max_prefix = len;
} else {
if (len < max_prefix)
max_prefix = len;
for(j=0; j<max_prefix; j++) {
if (rs->completions[i][j] != rs->completions[0][j])
max_prefix = j;
}
}
if (len > max_width)
max_width = len;
}
if (max_prefix > 0)
for(i = rs->completion_index; i < max_prefix; i++) {
readline_insert_char(rs, rs->completions[0][i]);
}
max_width += 2;
if (max_width < 10)
max_width = 10;
else if (max_width > 80)
max_width = 80;
nb_cols = 80 / max_width;
j = 0;
for(i = 0; i < rs->nb_completions; i++) {
monitor_printf(rs->mon, "%-*s", max_width, rs->completions[i]);
if (++j == nb_cols || i == (rs->nb_completions - 1)) {
monitor_printf(rs->mon, "\n");
j = 0;
}
}
readline_show_prompt(rs);
}
for (i = 0; i < rs->nb_completions; i++) {
g_free(rs->completions[i]);
}
}
