static int test_delchar(ibuf s)
{
/* Delete the last '!' from the string. */
ibuf_delchar(s);
/* Make sure it was deleted correctly. */
if (strcmp(ibuf_get(s), "hello world") != 0) {
debug("test_delchar: Mismatch, expected \"hello world\", got: %s\n",
ibuf_get(s));
return 1;
}
/* Wipe the string via delchar, testing ibuf_length simultaneously */
while (ibuf_length(s) > 0) {
ibuf_delchar(s);
}
/* Make sure s is now an empty string. */
if (strcmp(ibuf_get(s), "") != 0) {
debug("test_delchar: Expected empty string, got: %s\n", ibuf_get(s));
return 2;
}
debug("test_delchar: Succeeded.\n");
return 0;
}
/**
* Capture a regular expression from the user, one key at a time.
* This modifies the global variables regex_cur and regex_last.
*
* \param sview
* The source viewer.
*
* \return
* 0 if user gave a regex, otherwise 1.
*/
static int status_bar_regex_input(struct sviewer *sview, int key)
{
int regex_icase = cgdbrc_get(CGDBRC_IGNORECASE)->variant.int_val;
/* Flag to indicate we're done with regex mode, need to switch back */
int done = 0;
/* Recieve a regex from the user. */
switch (key) {
case '\r':
case '\n':
case CGDB_KEY_CTRL_M:
/* Save for future searches via 'n' or 'N' */
if (regex_last != NULL) {
ibuf_free(regex_last);
}
regex_last = ibuf_dup(regex_cur);
regex_direction_last = regex_direction_cur;
source_search_regex(sview, ibuf_get(regex_last), 2,
regex_direction_last, regex_icase);
if_draw();
done = 1;
break;
case 8:
case 127:
/* Backspace or DEL key */
if (ibuf_length(regex_cur) == 0) {
done = 1;
} else {
ibuf_delchar(regex_cur);
source_search_regex(sview, ibuf_get(regex_cur), 1,
regex_direction_cur, regex_icase);
if_draw();
update_status_win();
}
break;
default:
if (kui_term_is_cgdb_key(key)) {
const char *keycode = kui_term_get_keycode_from_cgdb_key(key);
int length = strlen(keycode), i;
for (i = 0; i < length; i++)
ibuf_addchar(regex_cur, keycode[i]);
} else {
ibuf_addchar(regex_cur, key);
}
source_search_regex(sview, ibuf_get(regex_cur), 1,
regex_direction_cur, regex_icase);
if_draw();
update_status_win();
};
if (done) {
ibuf_free(regex_cur);
regex_cur = NULL;
if_set_focus(CGDB);
}
return 0;
}
static int status_bar_normal_input(int key)
{
/* Flag to indicate we're done with status mode, need to switch back */
int done = 0;
/* The goal of this state is to recieve a command from the user. */
switch (key) {
case '\r':
case '\n':
case CGDB_KEY_CTRL_M:
/* Found a command */
if_run_command(src_win, cur_sbc);
done = 1;
break;
case 8:
case 127:
/* Backspace or DEL key */
if (ibuf_length(cur_sbc) == 0) {
done = 1;
} else {
ibuf_delchar(cur_sbc);
update_status_win();
}
break;
default:
if (kui_term_is_cgdb_key(key)) {
const char *keycode = kui_term_get_keycode_from_cgdb_key(key);
int length = strlen(keycode), i;
for (i = 0; i < length; i++)
ibuf_addchar(cur_sbc, keycode[i]);
} else {
ibuf_addchar(cur_sbc, key);
}
update_status_win();
break;
};
if (done) {
ibuf_free(cur_sbc);
cur_sbc = NULL;
if_set_focus(CGDB);
}
return 0;
}
/* Please forgive me for adding all the comment below. This function
* has some strange bahaviors that I thought should be well explained.
*/
void rlctx_send_user_command(char *line)
{
char *cline;
int length;
char *rline_prompt;
tgdb_request_ptr request_ptr;
if (line == NULL) {
/* NULL line means rl_callback_read_char received EOF */
ibuf_add(current_line, "quit");
} else {
/* Add the line passed in to the current line */
ibuf_add(current_line, line);
}
/* Get current line, and current line length */
cline = ibuf_get(current_line);
length = ibuf_length(current_line);
/* Check to see if the user is escaping the line, to use a
* multi line command. If so, return so that the user can
* continue the command. This data should not go into the history
* buffer, or be sent to gdb yet.
*
* Also, notice the length > 0 condition. (length == 0) can happen
* when the user simply hits Enter on the keyboard. */
if (length > 0 && cline[length - 1] == '\\') {
/* The \ char is for continuation only, it is not meant to be sent
* to GDB as a character. */
ibuf_delchar(current_line);
/* Only need to change the prompt the first time the \ char is used.
* Doing it a second time would erase the real rline_last_prompt,
* since the prompt has already been set to "".
*/
if (!rline_last_prompt) {
rline_get_prompt(rline, &rline_prompt);
rline_last_prompt = strdup(rline_prompt);
/* GDB set's the prompt to nothing when doing continuation.
* This is here just for compatibility. */
rline_set_prompt(rline, "");
}
return;
}
/* If here, a full command has been sent. Restore the prompt. */
if (rline_last_prompt) {
rline_set_prompt(rline, rline_last_prompt);
free(rline_last_prompt);
rline_last_prompt = NULL;
}
/* Don't add the enter command to the history */
if (length > 0)
rline_add_history(rline, cline);
request_ptr = tgdb_request_run_console_command(tgdb, cline);
if (!request_ptr)
logger_write_pos(logger, __FILE__, __LINE__,
"rlctx_send_user_command\n");
/* Send this command to TGDB */
handle_request(tgdb, request_ptr);
ibuf_clear(current_line);
}
/**
* Capture a regular expression from the user, one key at a time.
* This modifies the global variables regex_cur and regex_last.
*
* \param sview
* The source viewer.
*
* \return
* 0 if user gave a regex, otherwise 1.
*/
static int gdb_input_regex_input(struct scroller *scr, int key)
{
int regex_icase = cgdbrc_get_int(CGDBRC_IGNORECASE);
/* Flag to indicate we're done with regex mode, need to switch back */
int done = 0;
/* Receive a regex from the user. */
switch (key)
{
case '\r':
case '\n':
case CGDB_KEY_CTRL_M:
/* Save for future searches via 'n' or 'N' */
ibuf_free(regex_last);
regex_last = ibuf_dup(regex_cur);
regex_direction_last = regex_direction_cur;
scr_search_regex(scr, ibuf_get(regex_last), 2,
regex_direction_last, regex_icase);
if_draw();
done = 1;
break;
case 8:
case 127:
/* Backspace or DEL key */
if (ibuf_length(regex_cur) == 0)
{
done = 1;
scr_search_regex(scr, "", 2,
regex_direction_cur, regex_icase);
}
else
{
ibuf_delchar(regex_cur);
scr_search_regex(scr, ibuf_get(regex_cur), 1,
regex_direction_cur, regex_icase);
if_draw();
update_status_win(WIN_REFRESH);
}
break;
default:
if (kui_term_is_cgdb_key(key))
{
const char *keycode = kui_term_get_keycode_from_cgdb_key(key);
int length = strlen(keycode), i;
for (i = 0; i < length; i++)
ibuf_addchar(regex_cur, keycode[i]);
}
else
{
ibuf_addchar(regex_cur, key);
}
scr_search_regex(scr, ibuf_get(regex_cur), 1,
regex_direction_cur, regex_icase);
if_draw();
update_status_win(WIN_REFRESH);
};
if (done)
{
gdb_scroller->in_search_mode = 0;
ibuf_free(regex_cur);
regex_cur = NULL;
sbc_kind = SBC_NORMAL;
if_set_focus(GDB);
}
return 0;
}
